CN104904037A - Sensing assembly for secondary battery module and secondary battery module provided with sensing assembly - Google Patents
Sensing assembly for secondary battery module and secondary battery module provided with sensing assembly Download PDFInfo
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- CN104904037A CN104904037A CN201480004146.1A CN201480004146A CN104904037A CN 104904037 A CN104904037 A CN 104904037A CN 201480004146 A CN201480004146 A CN 201480004146A CN 104904037 A CN104904037 A CN 104904037A
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- substrate holder
- secondary battery
- sensing
- battery module
- pcb
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a sensing assembly for a secondary battery module and to a secondary battery module provided with a sensing assembly and a substrate holder in the sensing assembly. The sensing assembly is mounted in the secondary battery module with a plurality of battery cells, and connected to the cell tab of the battery cells so as to sense the voltage of the battery cells, and is characterized by including: a plate-like substrate holder formed as an insulation member fixed to a side part of the cell tab; a plurality of voltage-sensing connection members including a tab connection part fixed to the substrate holder through insert-injection and extended to the cell tab so as to be fixed thereto, and a substrate connection part arranged in the upper part of the substrate holder; and a sensing PCB detachably attached to the upper part of the substrate holder for sensing the voltage of the cell tab by contacting the substrate connection part when seated on the upper part of the substrate holder. Thus the sensing assembly for the secondary battery module and the secondary battery module provided with the sensing assembly according to the present invention have a structure such that the sensing PCB is connected to the substrate holder only by means of resilient contact, thereby simplifying attachment or detachment of the sensing PCB to or from the substrate holder, and facilitating maintenance and repair.
Description
The cross-application of related application
This application claims the priority of No. 10-2013-0001558th, the korean patent application submitted on January 7th, 2013, the content of this application file is all incorporated to the present invention by reference.
Technical field
The present invention relates to the sensing component for secondary battery module and the secondary battery module possessing this sensing component.
Background technology
Secondary cell, as can the battery of charging and discharging repeatedly, obtains energy by the electrochemical reaction of inner active material.The temperature environment when performance of such secondary cell is subject to such as charging method, degree of discharge, keeping and uses or the impact of load level, discharge and recharge number of times etc.
Nearest secondary cell is exploited to the fields such as lithium ion battery, lithium polymer battery or the fuel cell with high-energy-density and lightweight, and in purposes its be diversely applied to industry, automobile with, carry with or movement supply unit.
Meanwhile, in such secondary cell, plain battery is provided with various for the protection of with the circuit controlled, and secondary cell by modularization to be applicable to the external system that will use, thus to be used with the form of secondary battery module.
Described circuit, not only for controlling the discharge and recharge of secondary battery module, and when secondary battery module overcharge or overdischarge for cutting off circuit, thus extends the life-span of secondary battery module, and then prevents from exploding or the danger of fire.In addition, have employed supervisory control system recently, to inform the residual discharge amount or temperature etc. of the secondary battery module in use in real time.
Described supervisory control system comprises sensing component, and the voltage of the battery unit of its lasting detection formation secondary battery module or temperature etc., externally to inform.
Described sensing component has the sensing PCB be electrically connected with the battery pole ear of each battery unit (cell tab), externally informs the temperature of battery unit or voltage etc. by the connector be arranged on described sensing PCB.
Meanwhile, in existing sensing component, in order to the sensing PCB being provided with connector is electrically connected, need to weld with the leg (leg) that battery pole ear is electrically connected, correspondingly its assembleability bad and be unfavorable for especially safeguard and repair.
The fact as is well known, sensing component is made up of the substrate holder being fixed on secondary battery module and the sensing PCB (it is formed with various parts and the circuit of voltage for detecting battery unit and temperature) that is fixed on described substrate holder top, is very inconvenient by the connection of being fixed on substrate holder with leg with being installed on that the circuit sensing PCB carries out being connected.That is, due to by welding manner by described leg and sensing PCB be fixed as one, for the sensing PCB of substrate holder assembling with is separated correspondingly complexity.
Figure 10 and Figure 11 is the reference view for illustration of Problems existing in described existing sensing component.
Known with reference to figure, the both sides of substrate holder 69 have multiple leg 65.Described leg 65 insert injection moulding (insert injection) in substrate holder 69 is shaping, and an end of its horizontal extension is connected with battery pole ear, and the other end 65a projects upwards to be combined with sensing PCB 63.
In addition, and the sensing PCB 63 that the top of described substrate holder 69 is combined is formed with various parts and the circuit of such as connector 67 grade as above, and in both sides, there is through hole 63a.Described through hole 63a is configured so that fixed screw 63b passes downwardly through to be combined with internal thread hole 69a.
Meanwhile, described sensing in the marginal portion of PCB 63 is formed with multiple combined hole 63c.Described combined hole 63c is path the other end 65a of described leg 65 upwards being passed through when being placed on substrate holder 69 by sensing PCB 63.Described the other end 65a is to be carried out the part be connected with the circuit of sensing PCB 63 by the state of combined hole 63c.
As mentioned above, in existing sensing component, connection for the sensing PCB 63 of substrate holder 69 is very difficult, this is because need the other end 65a of the leg 65 by projecting to sensing PCB 63 top to weld one by one with the connecting portion of sensing PCB circuit.And in order to described welding process will adopt flowing welding and reflux technique, thus not only operation is very inconvenient also needs masterful technique.
In addition, owing to sensing disconnection or the other reasonses such as the circuit pattern of PCB 63, parts or fuse, in the idle situation of sensing PCB, the reparation of sensing component 61 is in fact impossible, needs the module whole that will comprise battery unit to replace.
If there is the malfunction of described sensing PCB, in any case need sensing PCB 63 is separated from substrate holder 69 and replaces new sensing PCB, but as mentioned above, when the leg of substrate holder being completely fixed by welding with sensing PCB, being difficult to easily and neatly sensing PCB being separated from substrate holder.Correspondingly, poor operability.
Summary of the invention
[technical problem]
The present invention makes to solve the problem, its objective is the sensing component being provided for secondary battery module and the secondary battery module possessing this sensing component, it has the structure that sensing PCB is connected with substrate holder by means of only Elastic Contact, thus the assembling of the sensing PCB of substrate holder is become simple with being separated, be correspondingly convenient to safeguard and repair.
[technological means]
To achieve these goals, a kind of sensing component for secondary battery module of the present invention, comprise: substrate holder, the insulating properties parts that its sidepiece place as the battery pole ear of the battery unit in the secondary battery module with multiple battery unit is fixing, and there is the form of plate; Multiple voltage detecting link, it is fixed on described substrate holder by insert injection moulding, and comprises the substrate connecting portion on the lug connecting portion being fixed on described battery pole ear to the prolongation of described battery pole ear side and the top being arranged in described substrate holder; And sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with each substrate connecting portion with the state on the top being placed on described substrate holder, to receive the voltage of described battery pole ear.
In addition, described substrate connecting portion elastically deformable.
In addition, to achieve these goals, another kind of the present invention is used for the sensing component of secondary battery module, it is installed on the secondary battery module with multiple battery unit, the voltage send battery unit and temperature detect, and comprise: insulative substrate support, it has the form of plate; Temperature detection link, it is arranged in above described substrate holder, and is combined with the thermistor of the temperature detecting described battery unit; And sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with described temperature detection link with the state on the top being placed on described substrate holder.
In addition, described temperature detection link based on external force elastically deformable.
Meanwhile, described substrate connecting portion has flat spring or helical spring form.
In addition, described temperature detection link has flat spring or helical spring form.
In addition, on described substrate holder, be formed with internal thread hole, described sensing PCB is combined with described substrate holder by the fixed screw be combined with described internal thread hole through described sensing PCB.
In addition, described substrate holder has the form of rectangular slab, edge part office is integrally formed with to the outstanding wall portion in the top of described substrate holder in the above, be formed in the side inner surface of described wall portion and make a part of described sensing PCB carry out the embedding slit supported to its inner embedding, another part and the fixture that is fixed of holding described sensing PCB is provided with, described sensing PCB is mounted to described substrate holder in the wall portion of the opposite side of described embedding slit.
Simultaneously, upwards open opening is formed in the wall portion residing for described fixture, described fixture comprises blocking lever, it is arranged at described wall portion rotationally, and after another part of described sensing PCB is placed on described opening, to described open side, described blocking lever moves that this another part is fixed on described wall portion, thus is restrained in described opening by described sensing PCB.
In addition, to achieve these goals, a kind of secondary battery module of the present invention comprises the chest and sensing component that hold multiple battery unit, described sensing component is connected with the battery pole ear of described battery unit with the state supported by described chest, to detect the voltage of corresponding battery unit and the information of voltage detected be sent to outside, described sensing component comprises: substrate holder, and it as the insulating properties parts at sidepiece place being fixed on described battery pole ear, and has the form of plate; Multiple voltage detecting link, it is fixed on described substrate holder by insert injection moulding, and comprises the substrate connecting portion on the lug connecting portion being fixed on described battery pole ear to the prolongation of described battery pole ear side and the top being arranged in described substrate holder; And sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with each substrate connecting portion with the state on the top being placed on described substrate holder, to receive the voltage of described battery pole ear.
In addition, described substrate connecting portion based on external force elastically deformable.
Meanwhile, to achieve these goals, another kind of secondary battery module of the present invention comprises: the chest holding multiple battery unit; And sensing component, it, and to comprise to detect the temperature of described battery unit and the temperature information detected is sent to outside with the state supported by described chest: the insulative substrate support with the form of plate; Temperature detection link, it is arranged in above described substrate holder, and is combined with the thermistor of the temperature detecting described battery unit; And sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with described temperature detection link with the state on the top being placed on described substrate holder.
In addition, described temperature detection link based on external force elastically deformable.
In addition, described substrate connecting portion has flat spring or helical spring form.
In addition, described temperature detection link has flat spring or helical spring form.
Meanwhile, on described substrate holder, be formed with internal thread hole, described sensing PCB is combined with described substrate holder by the fixed screw be combined with described internal thread hole through described sensing PCB.
In addition, described substrate holder has the form of rectangular slab, edge part office is integrally formed with to the outstanding wall portion in the top of described substrate holder in the above, be formed in the side inner surface of described wall portion and make a part of described sensing PCB carry out the embedding slit supported to its inner embedding, another part and the fixture that is fixed of holding described sensing PCB is provided with, described sensing PCB is mounted to described substrate holder in the wall portion of the opposite side of described embedding slit.
In addition, upwards open opening is formed in the wall portion residing for described fixture, described fixture comprises blocking lever, it is arranged at described wall portion rotationally, and after another part of described sensing PCB is placed on described opening, to described open side, described blocking lever moves that this another part is fixed on described wall portion, thus is restrained in described opening by described sensing PCB.
By referring to the following detailed description that accompanying drawing describes, the features and advantages of the present invention will become more obvious.
Before this, should be understood that, term used in the specification and claims or word should be explained with general sense, and should not explain with implication in dictionary, and based on inventor, in order to the invention of oneself being described with the best approach, under can suitably defining the principle of the concept of term, described term or word should be interpreted as the implication and the concept that meet the technology of the present invention thought.
[technique effect]
Sensing component for secondary battery module of the present invention has with the secondary battery module possessing this sensing component the structure sensing PCB and be connected with substrate holder by means of only Elastic Contact as above, thus the assembling of the sensing PCB of substrate holder is become simple with being separated, be correspondingly convenient to safeguard and repair.
Accompanying drawing explanation
Fig. 1 is according to the sensing component of the embodiment of the present invention and the oblique view of secondary battery module possessing this sensing component.
Fig. 2 is a part of exploded perspective view of the secondary battery module shown in Fig. 1.
Fig. 3 is the figure of the structure being shown specifically the sensing component shown in Fig. 1.
Fig. 4 decomposes the exploded perspective view that the sensing component shown in Fig. 1 is shown.
Fig. 5 is the end view of the sensing component shown in Fig. 1.
Fig. 6 is the bottom view of the bottom surface of the sensing PCB illustrated in the sensing component shown in Fig. 1.
Fig. 7 is the end view of the mounting structure of the sensing PCB illustrated for the substrate holder in described sensing component.
Fig. 8 is the oblique view of another example of the sensing component illustrated according to the embodiment of the present invention.
Fig. 9 is the exploded perspective view of the another example of the sensing component illustrated according to the embodiment of the present invention.
Figure 10 and Figure 11 be with reference to figure for illustration of Problems existing in existing sensing component is shown.
Embodiment
According to the following detailed description that is associated with accompanying drawing and preferred embodiment, object of the present invention, specific advantages and novel feature will become more obvious.
It should be noted that number about to the inscape additional reference of accompanying drawing each in this specification, identical inscape has identical numbering in the different accompanying drawings illustrated.
In addition, the term such as " first ", " second ", " side ", " opposite side " of use is to an inscape is different from another inscape, instead of in order to inscape is limited to described term.
Meanwhile, the detailed description that those make the related known technology that main points of the present invention are unnecessarily fuzzy will be omitted when illustrating of the present invention.
Hereinafter, the preferred embodiments of the present invention are described in detail with reference to the accompanying drawings.
Fig. 1 is that Fig. 2 is a part of exploded perspective view of the secondary battery module shown in Fig. 1 according to the sensing component of the embodiment of the present invention and the oblique view of secondary battery module possessing this sensing component.
As shown in the figure, be configured to comprise according to the secondary battery module 31 being provided with sensing component 33 of the present embodiment: the box-like chest 13 holding multiple battery unit 29; At multiple battery units 29 of the internal arrangement of described chest 13; Be positioned at the framework 15 of the corner shaped as frame state on described chest 13 top; Be arranged on the shell 17 of the power that provides support of described framework 15 central authorities; Be arranged on the sensing component 33 be connected with the battery pole ear 27 of described battery unit 29 in described shell 17.
Anode and cathode tab is formed respectively on the top of described battery unit 29, and it is inner that 12 battery units 29 are arranged adjacent each other at chest 13, battery pole ear 27 solder bond of the battery unit 29 of described sensing component 33 between the anode lug and cathode tab of described battery unit 29 and with both sides.
Described sensing component 33 continues the voltage and the temperature that detect each battery unit 29, so that it is sent to exterior monitoring device by connector 23.
Described sensing component 33 comprises: the substrate holder 45 being fixed on shell 17; The voltage detecting link 47 of insert injection moulding in described substrate holder 45; The filler 41 embedded on the marginal portion of described substrate holder 45; Be fixed on the sensing PCB35 on described filler 41 top.
Sensing PCB is formed the various parts of voltage for detecting battery unit 29 and temperature and circuit and connector 23 is installed.Described connector 23 is the connecting portions be connected with exterior monitoring device.
The rectangular plate form of described substrate holder 45 and there are in Width both sides 6 and 7 voltage detecting links 47 respectively.As long as described voltage detecting link 47 is made up of the conducting metal such as copper or aluminium, but be restricted to phosphor-copper, beryllium copper or the brass class with outstanding elastic restoring force to improve invention effect.Meanwhile, when shaping substrate support 45, described voltage detecting link to insert in substrate holder 45 and its part to enter substrate holder 45 inner.
One end of described voltage detecting link 47 is lug connecting portion 47a, and it extends to each battery pole ear 27 side in substrate holder 45 Width both sides and welds with battery pole ear 27.In addition, the other end of described voltage detecting link 47 is exposed on substrate holder 45.The described part exposed above is the substrate connecting portion 47b be connected with the bottom surface elasticity of sensing PCB 35.
Described voltage detecting link 47 is for being connected each battery unit 29 with sensing PCB 35.
Fig. 3 is the figure of the structure of the substrate holder 45 be shown specifically in the sensing component 33 shown in Fig. 1.
As shown in the figure, described substrate holder 45 has rectangular slab form and is embedded in described shell 17 inside.Combination for the substrate holder 45 of described shell 17 can adopt any combination.In addition, when described lug connecting portion 47a is soldered to each battery pole ear 27, substrate holder 45 is unfixing relative to shell 17 also harmless.
Corner packing groove 45b is formed in the upper edge part of described substrate holder 45.Described packing groove 45b is the groove with one fixed width and the degree of depth, for holding described filler 41.
In addition, multiple supporting projections 45c is integrally formed with at the interior zone of described packing groove 45b.Described supporting projections 45c for determining the relative position of the sensing PCB35 for described substrate holder 45, and is embedded in the embedded groove 35a of sensing part place, PCB 35 Width both sides of the edge formation.
By described supporting projections 45c is embedded in embedded groove 35a, sensing PCB 35 can be supported on substrate holder 45 top abreast with substrate holder 45.
Meanwhile, on the length direction both ends of described substrate holder 45, internal thread hole 45a is provided with.Described internal thread hole 45a inner peripheral surface is formed female hole, for being combined with fixed screw 43.
Sensing PCB 35 passes downwardly through by described fixed screw 43, to be combined with described internal thread hole 45a, thus sensing PCB 35 is fixed on substrate holder 45 top.Fixed form for the sensing PCB 35 of described substrate holder 45 can be various change.
In addition, the described substrate connecting portion 47b be arranged in above described substrate holder 45 has bending flat spring form repeatedly.Because described substrate connecting portion 47b has elastic force, if the power of applying, it is pressed downwardly and is out of shape, if remove external force, its elastic recovery and return initial position.
Especially, described substrate holder 45 central authorities are provided with temperature detection link 49.Described temperature detection link 49 is made up of the conductiving metal part such as copper or aluminium, and as shown in Figure 6, it is connected with thermistor (51 in Fig. 6).Described thermistor 51 will be described after a while.
Described temperature detection link 49 is also made up of copper or aluminium, be bent to and have elasticity and the form with flat spring, and when sensing PCB 35 is placed on substrate holder 45, described temperature detection link 49 is pressed downwardly and strain.
Fig. 4 decomposes the figure that the sensing component 33 shown in Fig. 1 is shown.
As shown in the figure, described substrate holder 45 is fixed with multiple voltage detecting link 47.As mentioned above, described substrate holder 45 inserts described voltage detecting link 47 in mould state when shaping making is come shaping, thus a part for voltage detecting link 47 is comprised therein.
In addition, as the lug connecting portion 47a of an end of described voltage detecting link 47 at the both sides parallel elongate of described substrate holder 45.In addition, the substrate connecting portion 47b as the other end of described voltage detecting link 47 is positioned at above described substrate holder 45.Described substrate connecting portion 47b bends and forms with the form with flat spring.
The filler 41 embedded in described packing groove 45b is made up of soft silica gel or rubber-like, and the lower space of its sealing described sensing PCB 35, with the lower space preventing outside moisture from infiltrating into sensing PCB 35.Described lower space is for the sensing substrate connecting portion 47b of PCB 35 and the electrical connection space of temperature detection link 49, and it is very important for thus cutting off outside moisture.
Meanwhile, described sensing PCB 35, for voltage and temperature information outwards being sent by connector 23, is wherein provided with the various electronic units for realizing this function.Described sensing PCB 35 also comprises multiple fuse 39.Described fuse 39 disconnects protecting secondary battery module 31 when abnormal condition occurs.
Fig. 5 is the end view of the sensing component 33 shown in Fig. 1.
With reference to figure, the bottom of described substrate holder 45 is provided with thermistor support 45d, in described thermistor support 45d, is embedded with thermistor 51.Described thermistor support 45d has approximate cylinder form, becomes to be integrated with the bottom surface of substrate holder 45, and holds described thermistor 51 wherein.
Described thermistor 51 detects the temperature of battery unit 29 with the state of its lower end part between battery unit 29, and is converted into the signal of telecommunication and is sent to described temperature detection link 49.The temperature information being sent to described temperature detection link 49 is reported to exterior monitoring device by sensing PCB 35.
Fig. 6 is the bottom view of the bottom surface of the sensing PCB 35 illustrated in the sensing component 33 shown in Fig. 1.
As shown in the figure, the bottom surface of described sensing PCB 35 is provided with multiple connecting portion 35b, 35c.Described connecting portion 35b, 35c are corresponding one to one with substrate connecting portion 47b and the first connecting portion 35b of Elastic Contact and the second connecting portion of contacting with described temperature detection link 49.
Fig. 7 is the end view of the mounting structure of the sensing PCB illustrated for the substrate holder in described sensing component.
Known with reference to figure, be fixed with sensing PCB 35 on the top of described substrate connecting portion 45 by fixed screw 43.Described sensing PCB 35 keeps level on substrate connecting portion 45 top.Filled 41 sealings of described sensing PCB 35 lower space simultaneously.
In addition, the state of the substrate connecting portion 47b sensed PCB 35 lower portion pressing of described voltage detecting link 47 contacts with described first connecting portion 35b.
In this case, once described fixed screw 43 is untied, sensing PCB 35 is just separated from substrate holder 45.That is, by untiing described fixed screw 43, exterior monitoring device (not shown) is separated from secondary battery module 31.
Fig. 8 is the oblique view of another example of the sensing component illustrated according to the embodiment of the present invention.
The Reference numeral identical with above-mentioned Reference numeral indicates the same parts of identical function.
With reference to figure, on described substrate holder 45, periphery is arranged with spiral spring type substrate connecting portion 47c, is also fixed with spiral spring type temperature detection link 50 at the middle body of described substrate holder 45.
Described substrate connecting portion 47c is fixed on above substrate holder 45 with the state be connected with described voltage detecting link 47, and when placing sensing PCB 35 on substrate connecting portion 47c top, it is pressed downwardly and strain.Described substrate connecting portion 47c has phase same-action with above-described flat spring type substrate connecting portion 47b.
In addition, described temperature detection link 50 is connected with thermistor 51, the temperature information received is sent to the second connecting portion 35c on sensing PCB 35 bottom surface from thermistor 51.Described temperature detection link 50 has helical spring form, and it is compressed when being fixed on substrate holder 45 by sensing PCB 35.
Fig. 9 is the exploded perspective view of the another example of the sensing component 33 illustrated according to the embodiment of the present invention.
As shown in the figure, on substrate holder 45, wall portion 45e is integrally formed with.Described wall portion 45e has corner shaped as frame state and has embedding slit 45f at side inner surface.Described embedding slit 45f is the groove extended in the horizontal direction, and it holds the Embedded Division 35d of the end being arranged on sensing PCB 35.
Described Embedded Division 35d is the part outstanding along the length direction of sensing PCB 35 of the end being formed in sensing PCB 35.In described sensing PCB 35, there is another Embedded Division 35e in the couple positioned opposite of described Embedded Division 35d.Described Embedded Division 35e is the part that the state that is placed on opening 45k is locked by blocking lever 45n.
In described substrate holder 45, there is opening 45k and blocking lever 45n in the couple positioned opposite of described embedding slit 45f.Described opening 45k and described blocking lever 45n is used for collecting and fixedly embedded portion 35e.
Described opening 45k is the part opened to the top of wall portion 45e.Due to described opening 45k upwards opening, if when opposite side Embedded Division 35e places downwards by the state embedding described embedding slit 45f with the Embedded Division 35d of described sensing PCB 35 side, described Embedded Division 35e can be placed in opening 45k.
Described blocking lever 45n is can along the rod-type parts of arrow a direction or its rightabout movement with the state supported by alignment pin 45q.Especially, supporting surface 45r is formed with in the bottom surface of described blocking lever 45n.Described supporting surface 45r is the part supported for being pressed downwards by Embedded Division 35e.
That is, when blocking lever 45n rotates along arrow a direction and embeds in described opening 45k by the state being placed on opening 45k with described Embedded Division 35e, described supporting surface 45r and Embedded Division 35e carry out face and to contact and by Embedded Division 35e to lower support.
Reference numeral 45m is jut.When being inserted into opening 45k being rotated by blocking lever 45n, described jut 45m is embedded in the groove portion 45p that described blocking lever 45n leading section is formed, and prevents it from departing to support described blocking lever 45n.
Although describe the present invention above by specific embodiment, this is intended to illustrate the present invention, and the present invention is not limited to this, and to those skilled in the art, the modification in the technology of the present invention thought range and improvement are apparent.
Simple variant of the present invention and change all belong to scope of the present invention, limit concrete protection range of the present invention by the scope of appended claims.
[symbol description]
13: chest
15: framework
17: shell
23: connector
27: battery pole ear
29: battery unit
31: secondary battery module
33: sensing component
35: sensing PCB
35a: embedded groove
35b: the first connecting portion
35c: the second connecting portion
35d, 35e: Embedded Division
39: fuse
41: filler
43: fixed screw
45: substrate holder
45a: internal thread hole
45b: packing groove
45c: supporting projections
45d: thermistor support
45e: wall portion
45f: embed slit
45k: opening
45m: jut
45n: blocking lever
45p: groove portion
45q: alignment pin
45r: supporting surface
47: voltage detecting link
47a: lug connecting portion
47b: substrate connecting portion
47c: substrate connecting portion
49,50: temperature detection link
51: thermistor.
Claims (18)
1., for a sensing component for secondary battery module, comprising:
Substrate holder, the insulating properties parts that its sidepiece place as the battery pole ear of the battery unit in the secondary battery module with multiple battery unit is fixing, and there is the form of plate;
Multiple voltage detecting link, it is fixed on described substrate holder by insert injection moulding, and comprises the substrate connecting portion on the lug connecting portion being fixed on described battery pole ear to the prolongation of described battery pole ear side and the top being arranged in described substrate holder; And
Sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with each substrate connecting portion with the state on the top being placed on described substrate holder, to receive the voltage of described battery pole ear.
2. the sensing component for secondary battery module according to claim 1, wherein
Described substrate connecting portion elastically deformable.
3. for a sensing component for secondary battery module, it is installed on the secondary battery module with multiple battery unit, and the voltage send battery unit and temperature detect, and comprise:
Insulative substrate support, it has the form of plate;
Temperature detection link, it is arranged in above described substrate holder, and is combined with the thermistor of the temperature detecting described battery unit; And
Sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with described temperature detection link with the state on the top being placed on described substrate holder.
4. the sensing component for secondary battery module according to claim 3, wherein
Described temperature detection link is elastically deformable based on external force.
5. the sensing component for secondary battery module according to claim 2, wherein
Described substrate connecting portion has flat spring or helical spring form.
6. the sensing component for secondary battery module according to claim 4, wherein
Described temperature detection link has flat spring or helical spring form.
7. the sensing component for secondary battery module according to any one of claim 1 to 4, wherein
On described substrate holder, be formed with internal thread hole, described sensing PCB is combined with described substrate holder by the fixed screw be combined with described internal thread hole through described sensing PCB.
8. the sensing component for secondary battery module according to any one of claim 1 to 4, wherein
Described substrate holder has the form of rectangular slab, and edge part office is integrally formed with to the outstanding wall portion in the top of described substrate holder in the above,
Be formed in the side inner surface of described wall portion and make a part of described sensing PCB carry out the embedding slit supported to its inner embedding, another part and the fixture that is fixed of holding described sensing PCB is provided with, described sensing PCB is mounted to described substrate holder in the wall portion of the opposite side of described embedding slit.
9. the sensing component for secondary battery module according to claim 8, is wherein formed with upwards open opening in the wall portion residing for described fixture,
Described fixture comprises blocking lever, it is arranged at described wall portion rotationally, and after another part of described sensing PCB is placed on described opening, to described open side, described blocking lever moves that this another part is fixed on described wall portion, thus is restrained in described opening by described sensing PCB.
10. a secondary battery module, it comprises the chest and sensing component that hold multiple battery unit, described sensing component is connected with the battery pole ear of described battery unit with the state supported by described chest, to detect the voltage of corresponding battery unit and the information of voltage detected is sent to outside, described sensing component comprises:
Substrate holder, it as the insulating properties parts at sidepiece place being fixed on described battery pole ear, and has the form of plate;
Multiple voltage detecting link, it is fixed on described substrate holder by insert injection moulding, and comprises the substrate connecting portion on the lug connecting portion being fixed on described battery pole ear to the prolongation of described battery pole ear side and the top being arranged in described substrate holder; And
Sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with each substrate connecting portion with the state on the top being placed on described substrate holder, to receive the voltage of described battery pole ear.
11. secondary battery modules according to claim 10, wherein
Described substrate connecting portion is elastically deformable based on external force.
12. 1 kinds of secondary battery modules, comprising:
Hold the chest of multiple battery unit; And
Sensing component, it, and to comprise to detect the temperature of described battery unit and the temperature information detected is sent to outside with the state supported by described chest:
There is the insulative substrate support of the form of plate;
Temperature detection link, it is arranged in above described substrate holder, and is combined with the thermistor of the temperature detecting described battery unit; And
Sensing PCB, it is removably bonded to the top of described substrate holder, and contacts with described temperature detection link with the state on the top being placed on described substrate holder.
13. secondary battery modules according to claim 12, wherein
Described temperature detection link is elastically deformable based on external force.
14. secondary battery modules according to claim 11, wherein
Described substrate connecting portion has flat spring or helical spring form.
15. secondary battery modules according to claim 13, wherein
Described temperature detection link has flat spring or helical spring form.
16. according to claim 10 to the secondary battery module according to any one of 13, wherein
On described substrate holder, be formed with internal thread hole, described sensing PCB is combined with described substrate holder by the fixed screw be combined with described internal thread hole through described sensing PCB.
17. according to claim 10 to the secondary battery module according to any one of 13, wherein
Described substrate holder has the form of rectangular slab, and edge part office is integrally formed with to the outstanding wall portion in the top of described substrate holder in the above,
Be formed in the side inner surface of described wall portion and make a part of described sensing PCB carry out the embedding slit supported to its inner embedding, another part and the fixture that is fixed of holding described sensing PCB is provided with, described sensing PCB is mounted to described substrate holder in the wall portion of the opposite side of described embedding slit.
18. secondary battery modules according to claim 17, wherein
Upwards open opening is formed in the wall portion residing for described fixture,
Described fixture comprises blocking lever, it is arranged at described wall portion rotationally, and after another part of described sensing PCB is placed on described opening, to described open side, described blocking lever moves that this another part is fixed on described wall portion, thus is restrained in described opening by described sensing PCB.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130001558A KR101986384B1 (en) | 2013-01-07 | 2013-01-07 | Sensing assembly for secondary battery and Secondary Battery having the sensing assembly |
| KR10-2013-0001558 | 2013-01-07 | ||
| PCT/KR2014/000150 WO2014107094A1 (en) | 2013-01-07 | 2014-01-07 | Sensing assembly for secondary battery module and secondary battery module provided with sensing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104904037A true CN104904037A (en) | 2015-09-09 |
| CN104904037B CN104904037B (en) | 2019-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480004146.1A Active CN104904037B (en) | 2013-01-07 | 2014-01-07 | Secondary battery module sensing component and the secondary battery module for having sensing component |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101986384B1 (en) |
| CN (1) | CN104904037B (en) |
| WO (1) | WO2014107094A1 (en) |
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| US10651451B2 (en) * | 2017-09-22 | 2020-05-12 | Contemporary Amperex Technology Co., Limited | Battery module |
| CN112366405A (en) * | 2019-07-25 | 2021-02-12 | 三星Sdi株式会社 | Battery pack |
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| US9905892B2 (en) * | 2015-02-09 | 2018-02-27 | Lg Chem, Ltd. | Battery module and method of coupling first and second electrical terminals of first and second battery cells to first and second voltage sense members of an interconnect assembly |
| US10020483B2 (en) * | 2015-02-09 | 2018-07-10 | Lg Chem, Ltd. | Battery module and method of coupling first and second electrical terminals of first and second battery cells to a voltage sense member of an interconnect assembly |
| CN107403969B (en) * | 2016-05-20 | 2019-08-06 | 莫列斯有限公司 | Cell apparatus and battery connection module |
| KR101903228B1 (en) | 2016-06-01 | 2018-10-01 | 엘지전자 주식회사 | Battery Pack |
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| JP7168346B2 (en) * | 2018-05-25 | 2022-11-09 | 矢崎総業株式会社 | battery module |
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Also Published As
| Publication number | Publication date |
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| CN104904037B (en) | 2019-06-11 |
| WO2014107094A1 (en) | 2014-07-10 |
| KR20140091123A (en) | 2014-07-21 |
| KR101986384B1 (en) | 2019-06-05 |
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