CN106772002A - A kind of charge relay adhesion detection means - Google Patents
A kind of charge relay adhesion detection means Download PDFInfo
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- CN106772002A CN106772002A CN201611086132.6A CN201611086132A CN106772002A CN 106772002 A CN106772002 A CN 106772002A CN 201611086132 A CN201611086132 A CN 201611086132A CN 106772002 A CN106772002 A CN 106772002A
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- relay
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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Abstract
The present invention provides a kind of charge relay adhesion detection means, including battery modules, switch module and detection module；Battery modules include total positive pole and total negative pole；Switch module includes the first charge relay, the second charge relay and always bears relay；Detection module includes the first detection relay and the second detection relay；First detection relay is included for detecting contact and for the second detection contact that is connected with total negative pole away from one end of total negative pole is connected first with total negative relay；Second detection relay includes the 3rd detection contact, the 4th detection contact and the 5th detection contact；3rd detection contact；The one end of 4th detection contact with the second charge relay away from total positive pole is connected；5th detection contact is connected with total positive pole.The charge relay adhesion detection means that the present invention is provided can avoid passing through auxiliary contact indirect detection and cause the situation of erroneous judgement to occur.
Description
【Technical field】
The present invention relates to technical field of battery management, more particularly to a kind of charge relay adhesion detection means.
【Background technology】
As continuing to develop for electric automobile industry is increasingly paid close attention to safely with upgrading, electric automobile by people, its
The middle safety that charges is one of most important one side in electric automobile safety, and charge relay adhesion is to cause the peace that charges
One of key factor that full accident occurs.
In existing vehicle electric system, generally detected with indirect judgement master by charge relay auxiliary contact
Contact whether adhesion.However, due to there is no auxiliary contact in some charge relays, and then cause the usability of the detection method
It is restricted.If additionally, auxiliary contact are damaged, the erroneous judgement to main contacts will be caused.
In consideration of it, real be necessary to provide a kind of new charge relay adhesion detection means to overcome drawbacks described above.
【The content of the invention】
It is an object of the invention to provide a kind of charge relay adhesion detection means, the charge relay adhesion detection dress
To put can directly detect to charge relay main contacts, it is to avoid cause the feelings of erroneous judgement by auxiliary contact indirect detection
Condition occurs.
To achieve these goals, the present invention provides a kind of charge relay adhesion detection means, and it is applied to cell tube
In reason system, the charge relay adhesion detection means includes battery modules, switch module and detection module；The battery
Module includes total positive pole and total negative pole；The switch module includes the first charge relay, the second charge relay and total
Negative relay；Total positive pole of the battery modules passes through first charge relay and second charge relay respectively
Form the first positive charging inlet and the second positive charging inlet；Total negative pole of the battery modules is by the always negative relay shape
Into the first negative charging inlet and the second negative charging inlet；After the detection module is used to work as electric on the battery management system according to
Secondary detection first charge relay, second charge relay and the always negative relay whether adhesion；The inspection
Surveying module includes the first detection relay and the second detection relay；The first detection relay includes the first detection contact
And second detection contact；The first detection contact is connected through the always negative relay with total negative pole；Second inspection
Contact is surveyed to be joined directly together with total negative pole；It is described second detection relay include the 3rd detection contact, the 4th detection contact with
And the 5th detection contact；The 3rd detection contact is connected through first charge relay with total positive pole；Described 4th
Detection contact is connected through second charge relay with total positive pole；It is described 5th detection contact directly with total positive pole
It is connected.
The charge relay adhesion detection means that the present invention is provided, the detection module is directly to the first charging relay
The main contacts of device, the second charge relay and total negative relay detected, and then avoided and examined indirectly by auxiliary contact
Survey and cause the situation of erroneous judgement to occur, and with general applicability.
【Brief description of the drawings】
The circuit theory diagrams of the charge relay adhesion detection means that Fig. 1 is provided for the present invention.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with accompanying drawing and
Specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Fig. 1 is referred to, it is the circuit theory of the charge relay adhesion detection means 100 of offer in the embodiment of the present invention
Figure.The charge relay adhesion detection means 100 is used in battery management system, and it includes battery modules 10, switch module
20th, some acquisition modules 30, CAN 40, detection module 50, battery control unit 60 and GPRS module 70.Wherein, it is described
Battery modules 10 include total positive pole V+ and total negative pole V-；The switch module 20 includes that the first charge relay K1, second are filled
Electrical relay K2 and always negative relay K3.Total positive pole V+ is filled by the first charge relay K1 and second respectively
Electrical relay K2 forms the first positive charging inlet 21 and the second positive charging inlet 22；Total negative pole V- by it is described it is total negative after
Electrical equipment K3 forms the first negative charging inlet 23 and the second negative charging inlet 24.It is appreciated that the first positive charging inlet 21,
Second positive charging inlet 22, the first negative charging inlet 23 and the second negative charging inlet 24 are used to be carried out with charging pile (not shown)
Connection thinks that the battery modules 10 are charged.In the present embodiment, the battery modules 10 also include some series connection
Battery pack 11.
Further, the switch module 20 also includes the first electric discharge relay K4, the second electric discharge relay K5 and electricity
Resistance R.Wherein, total positive pole V+ also forms positive electric discharge interface 25 by the described first electric discharge relay K4；Second electric discharge
One end of relay K5 is connected with one end of the described first electric discharge relay K4；The other end of the second electric discharge relay K5 leads to
The resistance R is crossed to be connected with the other end of the described first electric discharge relay K4.Total negative pole V- is also by the always negative relay
Device K3 forms negative electric discharge interface 26.It is appreciated that the positive electric discharge interface 25 is used for and motor (figure with the negative electric discharge interface 26
Do not show) to be connected provide electric energy as the motor.
If some acquisition modules 30 are used to gather the voltage and temperature of the dry cell batteries 11 and will collect
Data are sent to the battery control unit 60 by CAN 40.In the present embodiment, some acquisition modules 30 with
If the dry cell batteries 11 are corresponded.It is appreciated that the acquisition module 30, detection module 50, battery control unit 60 with
And GPRS module 70 is in communication with each other by the CAN 40.
The detection module 50 is used to being detected successively after working as electric on battery management system the first charge relay K1, the
The state of two charge relay K2 and total negative relay K3, for example, if adhesion or open circuit.Specifically, the detection mould
Block 50 includes the first detection relay K6 and the second detection relay K7.Wherein, the first detection relay K6 includes the
One detection contact m and the second detection contact n.In the present embodiment, the first detection contact m and the always negative relay
K3 is connected away from one end of total negative pole V-, i.e., described first test point m is connected to total negative pole V- after total negative relay K3；
The second detection contact n is connected with total negative pole V-, i.e., the first detection contact m and the second detection contact n are connected respectively
To the two ends of total negative relay K3.The first detection relay K6 is single-pole double-throw relay.
Further, the second detection relay K7 includes the 3rd detection contact a, the 4th detection contact b and the 5th
Detection contact c.In the present embodiment, the 3rd detection contact a and the first charge relay K1 away from it is described it is total just
One end of pole V+ is connected, i.e., the 3rd detection contact a is connected to total positive pole V+ after the first charge relay K1；4th detection
Contact b is connected with the second charge relay K2 away from one end of total positive pole V+, i.e., the 4th detection contact is through described the
Total positive pole V+ is connected to after two charge relay K2；The 5th detection contact c is connected with total positive pole V+；.Described second
Detection relay K7 is SP3T relay.
When detect the first charge relay K1 whether adhesion when, the detection module 50 controls first inspection first
The 3rd detection contact a for surveying the second detection contact n and the second detection relay K7 of relay K6 is respectively closed, then
Control the first charge relay K1 to disconnect, then detect the 3rd detection contact a with the described second detection contact n two ends
Voltage, if the 3rd detection contact a has voltage, the first charge relay K1 with the described second detection contact n two ends
Adhesion, while producing alarm signal and being transferred to the battery control unit 60 and GPRS module 70 by the CAN.
Additionally, the detection module 50 can also detect whether the first charge relay K1 opens a way, as the described second detection contact n
And after the 3rd detection contact a is respectively closed, the first charge relay K1 closures are controlled, then detect the 3rd inspection
The voltage of contact a and the described second detection contact n two ends is surveyed, if the 3rd detection contact a and the described second detection contact n two
No-voltage is held, then the first charge relay K1 open circuits.
When detect the second charge relay K2 whether adhesion when, the detection module 50 controls first inspection first
The 4th detection contact b for surveying the second detection contact n and the second detection relay K7 of relay K6 is respectively closed, then
Control the second charge relay K2 to disconnect, then detect the 4th detection contact b with the described second detection contact n two ends
Voltage, if the 4th detection contact b has voltage, the second charge relay K2 with the described second detection contact n two ends
Adhesion, while producing alarm signal and being transferred to the battery control unit 60 and GPRS module 70 by the CAN.
Additionally, the detection module 50 can also detect whether the second charge relay K2 opens a way, as the described second detection contact n
And after the 4th detection contact b is respectively closed, the second charge relay K2 closures are controlled, then detect the 4th inspection
The voltage of contact b and the described second detection contact n two ends is surveyed, if the 4th detection contact b and the described second detection contact n two
No-voltage is held, then the second charge relay K2 open circuits.
When detect total negative electricity relay K3 whether adhesion when, the detection module 50 controls first detection first
The 5th detection contact c of the first detection contact m of relay K6 and the second detection relay K7 is respectively closed, and then controls
Make total negative electricity relay K3 to disconnect, then detect the electricity of the 5th detection contact c and the described first detection contact m two ends
Pressure, if the 5th detection contact c has voltage, the always negative relay K3 adhesions, while producing with the described first detection contact m two ends
Raw alarm signal is simultaneously transferred to the battery control unit 60 and GPRS module 70 by the CAN.Additionally, the inspection
Surveying module 50 can also detect whether the always negative relay K3 opens a way, when first detection of the described first detection relay K6 is touched
After the 5th detection contact c of point m and the second detection relay K7 is respectively closed, total negative electricity relay K3 is controlled to close
Close, then detect the voltage of the 5th detection contact c and the described first detection contact m two ends, if the 5th detection contact c and described first
Detection contact m two ends no-voltage, then it is described always to bear relay K3 open circuits.
The battery control unit 60 is used to receiving voltage and temperature that some acquisition modules 30 are collected etc.
Data are judging the state of the battery modules 10.Further, the battery management unit 60 is additionally operable to receive the detection
The alarm signal that module 50 sends, and in controlling charge circuit when the alarm signal is received other relays terminating filling
Electricity, and then cause that, when there is a charge relay to stick together, the charge circuit is cut off with other in protection circuit
Element is not damaged by.
The GPRS module 70 is used to receive the alarm signal, and by the alarm signal remote transmission to monitor supervision platform
Or the handheld device of user, and then fault message can be notified into relevant departments in time so that related personnel can make tightly
Anxious treatment measures such that it is able to avoid the occurrence of the security incident generation that the battery modules 10 are overcharged.Additionally, the GPRS module
70 are additionally operable to receive the instruction that monitor supervision platform or user send, and the instruction are transferred to by the CAN 40 described
Detection module 50 continues to detect to control the detection module 50 to stop.
The charge relay adhesion detection means 100 that the present invention is provided, the detection module 50 directly fills to described first
The main contacts of electrical relay K1, the second charge relay K2 and total negative relay K3 is detected, and then is avoided by auxiliary
Help contact indirect detection and cause the situation of erroneous judgement to occur.
The present invention is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
Additional advantage and modification are easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of god and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (10)
1. a kind of charge relay adhesion detection means, it is applied in battery management system, it is characterised in that：It is described charge after
Electrical equipment adhesion detection means includes battery modules, switch module and detection module；The battery modules include total positive pole and
Total negative pole；The switch module includes the first charge relay, the second charge relay and always bears relay；The battery mould
Total positive pole of group forms the first positive charging inlet by first charge relay and second charge relay respectively
And the second positive charging inlet；Total negative pole of the battery modules by the always negative relay formed the first negative charging inlet with
And the second negative charging inlet；The detection module is used to detect that described first charges successively after electricity on the battery management system
Relay, second charge relay and the always negative relay whether adhesion；The detection module includes the first detection
Relay and the second detection relay；The first detection relay includes the first detection contact and the second detection contact；
The first detection contact is connected through the always negative relay with total negative pole；Second detection contact and total negative pole
It is joined directly together；The second detection relay includes the 3rd detection contact, the 4th detection contact and the 5th detection contact；It is described
3rd detection contact is connected through first charge relay with total positive pole；The 4th detection contact is filled through described second
Electrical relay is connected with total positive pole；The 5th detection contact is directly connected with total positive pole.
2. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：When detect it is described first charge after
Electrical equipment whether adhesion when, the detection module control first it is described second detection contact and it is described 3rd detection contact close respectively
Close, then control first charge relay to disconnect, then detect the 3rd detection contact with the described second detection contact two
The voltage at end, if there are voltage, first charge relay in the 3rd detection contact with the described second detection contact two ends
Adhesion.
3. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：When detect it is described second charge after
Electrical equipment whether adhesion when, the detection module control first it is described second detection contact and it is described 4th detection contact close respectively
Close, then control second charge relay to disconnect, then detect the 4th detection contact with the described second detection contact two
The voltage at end, if there are voltage, second charge relay in the 4th detection contact with the described second detection contact two ends
Adhesion.
4. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：When the detection always negative relay
Whether adhesion when, the detection module control first it is described first detection contact and it is described 5th detection contact be respectively closed,
Then control the always negative relay to disconnect, then detect the electricity of the 5th detection contact and the described first detection contact two ends
Pressure, if there are voltage, the always negative relay adhesion in the 5th detection contact with the described first detection contact two ends.
5. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：Described first detects that relay is
Single-pole double-throw relay；The second detection relay is SP3T relay.
6. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：The charge relay adhesion inspection
Surveying device also includes some acquisition modules, CAN and battery control unit；The battery modules include the electricity of some series connection
Pond group；If the data that some acquisition modules are used to gather the voltage and temperature of the dry cell batteries and will collect pass through
The CAN is sent to the battery control unit；When first charge relay, second charge relay or
During the always negative relay adhesion, the detection module also produces alarm signal and is transferred to the electricity by the CAN
Pond control unit；The data that the battery control unit is used to be collected according to some acquisition modules judge the battery mould
The state of group, and disconnect other charge relays in charge circuit according to the alarm signal to terminate charging.
7. charge relay adhesion detection means as claimed in claim 6, it is characterised in that：The charge relay adhesion inspection
Surveying device also includes GPRS module；Also by the CAN be transferred to the alarm signal described by the detection module
GPRS module；The alarm signal remote transmission that the GPRS module will be received sets to monitor supervision platform or the hand-held of user
It is standby.
8. charge relay adhesion detection means as claimed in claim 7, it is characterised in that：The GPRS module is additionally operable to connect
The instruction that monitor supervision platform or user send is received, and the instruction is transferred to the detection module to control by the CAN
The detection module is made to stop continuing to detect.
9. charge relay adhesion detection means as claimed in claim 1, it is characterised in that：The switch module also includes the
One electric discharge relay, the second electric discharge relay and resistance；Total positive pole is also formed just by the described first electric discharge relay
Electric discharge interface；One end of the second electric discharge relay is connected with one end of the described first electric discharge relay；Second electric discharge
The other end of relay is connected by the resistance with the other end of the described first electric discharge relay；Total negative pole also passes through institute
State always negative relay and form negative electric discharge interface.
10. charge relay adhesion detection means as claimed in claim 2, it is characterised in that：The detection module is used to examine
Survey whether first charge relay opens a way；When the described second detection contact and the 3rd detection contact are respectively closed
Afterwards, the first charge relay closure is controlled, then detects the 3rd detection contact with the described second detection contact two ends
Voltage, if the 3rd detection contact and the described second detection contact two ends no-voltage, the first charge relay open circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086132.6A CN106772002A (en) | 2016-11-30 | 2016-11-30 | A kind of charge relay adhesion detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086132.6A CN106772002A (en) | 2016-11-30 | 2016-11-30 | A kind of charge relay adhesion detection means |
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| Publication Number | Publication Date |
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| CN106772002A true CN106772002A (en) | 2017-05-31 |
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ID=58914090
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611086132.6A Pending CN106772002A (en) | 2016-11-30 | 2016-11-30 | A kind of charge relay adhesion detection means |
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Cited By (5)
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| CN109031111A (en) * | 2018-08-10 | 2018-12-18 | 宁波吉利汽车研究开发有限公司 | Relay status diagnostic circuit and power supply |
| CN111856264A (en) * | 2020-07-30 | 2020-10-30 | 江西凯马百路佳客车有限公司 | Safety detection method and system for high-voltage contactor of new energy automobile |
| CN111845351A (en) * | 2019-04-29 | 2020-10-30 | 安徽省赛格威科技有限公司 | New energy vehicle block terminal control detection alarm device |
| CN113330323A (en) * | 2020-10-21 | 2021-08-31 | 深圳欣锐科技股份有限公司 | Contactor state detection circuit, system and vehicle |
| CN113871987A (en) * | 2020-06-30 | 2021-12-31 | 比亚迪股份有限公司 | Charging switching device, method and device for detecting sintering of relay |
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Application publication date: 20170531 |