CN203801101U - LED power supply with grounding protection - Google Patents
LED power supply with grounding protection Download PDFInfo
- Publication number
- CN203801101U CN203801101U CN201420189562.0U CN201420189562U CN203801101U CN 203801101 U CN203801101 U CN 203801101U CN 201420189562 U CN201420189562 U CN 201420189562U CN 203801101 U CN203801101 U CN 203801101U
- Authority
- CN
- China
- Prior art keywords
- power supply
- led power
- ground protection
- circuit board
- metab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004224 protection Effects 0.000 title claims abstract description 53
- 239000002184 metal Substances 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 36
- 229910000679 solder Inorganic materials 0.000 claims description 13
- 238000002788 crimping Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract 3
- 125000006850 spacer group Chemical group 0.000 description 7
- 239000012212 insulator Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010014405 Electrocution Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides an LED power supply with grounding protection. The LED power supply comprises a circuit board. The circuit board comprises a welding face and a plugging face, wherein the welding face and the plugging face are oppositely arranged. The welding face is provided with a unique grounding terminal. The LED power supply with grounding protection further comprises a grounding connector which is arranged on the plugging face. One end of the grounding connector is electrically connected with the grounding terminal, and the other end is opposite to the grounding terminal. According to the LED power supply with grounding protection, which is provided by the utility model, the grounding connector is arranged; the grounding connector is electrically connected with the grounding terminal; simply through a grounding terminal, grounding protection is realized; layout design on the circuit board is simplified; components are saved; and the manufacturing cost is reduced.
Description
Technical field
The utility model relates to a kind of power-supply device, particularly a kind of LED power supply with ground protection.
Background technology
LED illumination at present develops rapidly, and corresponding LED power supply is also developed rapidly, requirement simultaneously that also produced the various safety and stability to LED power supply, and wherein ground protection is exactly a conventional electrocution-proof protection measure.In prior art, various ground protections are provided.Refer to Fig. 1, it is a kind of LED power supply in prior art.This LED power supply is electrically connected to provide ground protection by the earth terminal on circuit board and metal shell.In order to be grounded the electric connection of terminal and metal shell, this LED power acquisition wears circuit board so that earth terminal and the crimping of metal shell face are electrically connected to form with securing members such as screws.Due to may screw etc. the crimp force that provides of the fastening mode of securing member can cause not earth terminal and metal shell crimping effect bad, thereby can not meet the requirement of reliable and stable electric connection.In order to address the above problem, in prior art, general employing at three of circuit board or four angles arranges earth terminal, just can provide reliable and stable ground protection by respective fastener press fit.Therefore, the design of multiple earth terminals causes the wires design complexity on the circuit board of LED power supply of the prior art, needs components and parts more, and then makes manufacturing process complexity, increases manufacturing cost.
Utility model content
In view of this, the utility model provides a kind of to be had simple in structure and connects the LED power supply of reliable ground protection, to solve the problems of the technologies described above.
There is a LED power supply for ground protection, comprise a circuit board.This circuit board comprises the solder side and the plug surface that are oppositely arranged.On described solder side, be provided with a unique earth terminal.The described LED power supply with ground protection also comprises a grounding connection part being arranged on described plug surface.This grounding connection part one end and described earth terminal are electrically connected, and the other end and described earth terminal face.
Compared with prior art; the LED power supply with ground protection of the present utility model is provided with described grounding connection part and is electrically connected described earth terminal by this grounding connection part, thereby can make the issuable heavy current of described circuit board by described grounding connection part ground connection.Therefore the utility model does not need to arrange multiple described earth terminals and multiple securing member, only needs a described earth terminal that reliable and stable ground protection just can be provided.Thereby make the LED power supply with ground protection of the present utility model simplify the layout-design on circuit board and save components and parts consumption, and then its manufacturing cost is declined, be conducive to promote this and have the LED power supply of ground protection.
Brief description of the drawings
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
Fig. 1 is the perspective view of the earthing mode of LED power supply of the prior art.
The perspective view of a kind of LED power supply with ground protection that Fig. 2 provides for the utility model.
Fig. 3 is one of three-dimensional exploded view of the LED power supply with ground protection of Fig. 2.
Fig. 4 be the LED power supply with ground protection of Fig. 2 three-dimensional exploded view two.
Embodiment
Based on accompanying drawing, specific embodiment of the utility model is further elaborated below.Should be understood that, the explanation to the utility model embodiment herein is also not used in restriction protection range of the present utility model.
Please refer to Fig. 2 and Fig. 3, the structural representation of its a kind of LED power supply 100 with ground protection providing for the utility model.The described LED power supply 100 with ground protection comprises a metab 10; a circuit board 20 being arranged on this metab 10; one for described circuit board 20 is crimped on to metal fastenings 30 on described metab 10, and a grounding connection part 40 being located on described circuit board 20.Be understandable that, described in there is ground protection LED power supply 100 also comprise the electronic devices and components such as resistance, electric capacity, it is those skilled in the art's technology known, just repeats no more at this.
Described metab 10 is for arranging described circuit board 20 and protecting corresponding electronic devices and components.Described metab 10 can adopt any metal of easy heat radiation to make cell body or have the arbitrary shape such as box-like of opening.Described metab 10 can offer slot or card is established the mounting structures such as groove for pegging graft or blocking and establish described circuit board 20.Described metab 10 offers a fastener hole 11 for coordinating with described securing member 30.The offering the degree of depth and can arrange arbitrarily of this fastener hole 11, as long as can realize and the function of described securing member 30 secure fit.In the present embodiment, for convenient, described securing member 30 is tightened completely, described fastener hole 11 runs through described metab 10 to be offered.In order to reach the effect of better crimping with electrical connection, described metab 10 be provided with one with the metal crimp fitting 12 of following earth terminal 23 press fit.This metal crimp fitting 12 can be the projecting parts such as a metal boss or a metal cylinder.In the present embodiment, described metal crimp fitting 12 be one with the metal boss of described metab 10 integrated punching moulding, and described fastener hole 11 is opened on this metal crimp fitting 12.
See also Fig. 4, described circuit board 20 is printed circuit board (PCB) (Printed Circuit Board is called for short PCB).Described circuit board 20 for carry the electronic devices and components such as resistance, electric capacity and inductance and by above-mentioned electronic devices and components be electrically connected to realize can powering load function.Described circuit board 20 comprises the solder side 21 and the plug surface 22 that are oppositely arranged.Can expect, described solder side 21 is for tinsel is set, and this tinsel is as the wire that connects each electronic devices and components.Described plug surface 22 is for plugging above-mentioned electronic devices and components.Described circuit board 20 is arranged in described metab 10 by pegging graft or blocking the mode such as establish.Described solder side 21 is set to towards described metab 10.Be understandable that, the installation of described circuit board 20 need to make described solder side 21 directly not join with described metab 10.Described circuit board 20 comprises a unique earth terminal 23.This earth terminal 23 is arranged on described solder side 21.Described earth terminal 23 is for importing the earth with protection human body and electric equipment by the issuable heavy current of described circuit board 20 by described metab 10.Described earth terminal 23 can be for being arranged on the Copper Foil circle on described solder side 21.It is all those of ordinary skill in the art's technology known that the structure setting of described earth terminal 23 and material are selected, and just repeats no more at this.
Refer to Fig. 3, described metal fastenings 30 is only one and for described earth terminal 23 is crimped on to described metab 10.Described metal fastenings 30 can be a screw or bolt etc.Described securing member 30 is located on described circuit board 20, and therefore described circuit board 20 offers an installing hole 24 mating with described securing member 30.Described securing member 30 wears after described circuit board 20, is screwed into described fastener hole 11 so that described circuit board 20 connects with described metab 10, thereby makes described earth terminal 23 and described metab 10 crimping to be electrically connected.In the present embodiment, described earth terminal 23 and described metal crimp fitting 12 press fit, just can make described earth terminal 23 be electrically connected with described metal crimp fitting 12 thereby make described circuit board 20 not need to occur bending.
Refer to Fig. 2 and Fig. 3, described grounding connection part 40 is arranged on the plug surface 22 of described circuit board 20.One end of this grounding connector 40 and described earth terminal 23 are electrically connected, and the other end is set to face with described earth terminal 23.Described grounding connection part 40 can be the conducting medium arbitrarily such as a sheet metal or an elastic metallic conductive spacer.In the present embodiment, in order to ensure excellent conductive performance, described grounding connection part 40 is a strip copper sheets.Described grounding connection part 40 can adopt any-mode and described earth terminal 23 to be electrically connected.In the present embodiment, described grounding connection part 40 one end through described circuit board 20 and with described earth terminal 23 mode by scolding tin to be electrically connected.Described grounding connection part 40 other ends offer one for wearing the perforation (not indicating) of described securing member 30, and when tightening after described securing member 30, described securing member 30 and described grounding connection part 40 crimping are to be electrically connected.Therefore; the described LED power supply 100 with ground protection is by the setting of described grounding connection part 40; just can make described earth terminal 23, described grounding connection part 40, described securing member 30 and described metab 10 be electrically connected successively, thereby form dual ground protection.
Referring again to Fig. 3, described in there is ground protection LED power supply 100 can also comprise two insulating supports 50 that are separately positioned on described metab 10 two ends.These two described insulating supports 50 are for supporting described circuit board 20, further to ensure that described solder side 21 can not contact with described metab 10.Described insulating support 50 can be established or the mode such as grafting is fixedly installed on described metab 10 by card.Described insulating support 50 can have any shape.Described insulating support 50 can be an insulation strip or insulation boss.The maximum height of described insulating support 50 is less than or equal to the height of described metal crimp fitting 12.
The described LED power supply 100 with ground protection can also comprise an insulator spacer (not shown).Described insulator spacer is arranged between described metab 10 and described circuit board 20, so that described circuit board 20 isolates with described metab 10, thereby further prevent that the nuditing wire that described circuit board 20 has from contacting with described metab 10 with metal forming.Can expect, described insulator spacer can be wrapped up whole described circuit board 20 completely, therefore selects also can realize water proof and dust proof according to material.Described insulator spacer can be an insulation lining paper or an insulation diaphragm etc.Described insulator spacer offers one for wearing the perforating of described metal crimp fitting 12 and described metal fastenings 30.The size of described insulator spacer can be selected according to the size of described circuit board 20, can isolate described metab 10 and described circuit board 20 as long as meet.
Please refer to Fig. 3 and Fig. 4, described in there is ground protection LED power supply 100 can also comprise that one is matched for sealing the shell of described circuit board 20 and components and parts with described metab 10.This shell adopts insulating material to make arbitrary shape.In the present embodiment, for attractive in appearance, described shell is arranged so that this jacket is located at after described metab 10, described in there is ground protection LED power supply 100 overall appearance be a cuboid.
Compared with prior art, described in there is ground protection LED power supply 100 by the setting of described grounding connection part 40, just can be electrically connected successively described earth terminal 23, described grounding connection part 40, described metal fastenings 30 and described metab 10.Even coordinating unstable when described metal fastenings 30 with described fastener hole 11, make to be arranged in described earth terminal on described solder side 21 23 and the bad situation of described metab 10 crimping effects, even when described earth terminal 23 disengages and could not realize crimping with described metab 10, by still making described metal fastenings 30 and being connected of described grounding connection part 40 described earth terminal 23 realize reliable and stable electric connection with described metab 10.Therefore; the utility model provides dual ground protection; thereby make the utility model only need to arrange an earth terminal 23 reliable and stable ground protection just can be provided; and do not need to arrange multiple earth terminals 23 and multiple securing member 30; thereby simplify the layout-design on circuit board 20 and saved components and parts consumption; its manufacturing cost is declined, be conducive to promote this and have the LED power supply 100 of ground protection.
These are only preferred embodiment of the present utility model, and be not used in limitation protection range of the present utility model, any amendment in the utility model spirit, be equal to and replace or improvement etc., be all encompassed within the scope of claim of the present utility model.
Claims (10)
1. one kind has the LED power supply of ground protection; comprise a circuit board; this circuit board comprises the solder side and the plug surface that are oppositely arranged; it is characterized in that: on described solder side, be provided with a unique earth terminal; the described LED power supply with ground protection also comprises a grounding connection part being arranged on described plug surface; this grounding connection part one end and described earth terminal are electrically connected, and the other end and described earth terminal face.
2. the LED power supply with ground protection according to claim 1, is characterized in that: described in there is ground protection LED power supply also comprise a metab for accommodating described circuit board, described solder side is towards described metab.
3. the LED power supply with ground protection according to claim 2; it is characterized in that: described in there is ground protection LED power supply also comprise that one for described earth terminal is crimped on to the metal fastenings on described metab, described metab offers a fastener hole coordinating with described metal fastenings.
4. the LED power supply with ground protection according to claim 3, is characterized in that: described metab also comprise one for the metal crimp fitting of described earth terminal press fit.
5. the LED power supply with ground protection according to claim 4, is characterized in that: described metal crimp fitting is a metal boss.
6. the LED power supply with ground protection according to claim 5, is characterized in that: described fastener hole is opened on described metal crimp fitting.
7. the LED power supply with ground protection according to claim 3, is characterized in that: described metal fastenings is a screw or bolt.
8. the LED power supply with ground protection according to claim 3; it is characterized in that: described grounding connection part is a sheet metal that wears described circuit board; this grounding connection part one end and described earth terminal weld to be electrically connected, described metal fastenings wear the described grounding connection part other end and with this grounding connection part other end crimping be electrically connected.
9. the LED power supply with ground protection according to claim 2; it is characterized in that: described in there is ground protection LED power supply also comprise that two for further supporting the insulating supports of described circuit board, these two insulating supports are separately positioned on described metab two ends.
10. according to the LED power supply with ground protection described in any one in claim 3 to 9; it is characterized in that: described in there is ground protection LED power supply also comprise an insulation lining paper; this insulation lining paper is arranged between described circuit board and described metab, and described insulation lining paper offers one for wearing the perforating of described metal crimp fitting and described metal fastenings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189562.0U CN203801101U (en) | 2014-04-10 | 2014-04-10 | LED power supply with grounding protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420189562.0U CN203801101U (en) | 2014-04-10 | 2014-04-10 | LED power supply with grounding protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203801101U true CN203801101U (en) | 2014-08-27 |
Family
ID=51383284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420189562.0U Expired - Lifetime CN203801101U (en) | 2014-04-10 | 2014-04-10 | LED power supply with grounding protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203801101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981041A (en) * | 2014-04-10 | 2015-10-14 | 宁波高新区赛尔富电子有限公司 | LED power source with ground protection |
-
2014
- 2014-04-10 CN CN201420189562.0U patent/CN203801101U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981041A (en) * | 2014-04-10 | 2015-10-14 | 宁波高新区赛尔富电子有限公司 | LED power source with ground protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee after: Self Electronics Co.,Ltd. Address before: The national high tech Zone Juxian 315103 Ningbo Road, Zhejiang province No. 1345 Patentee before: SELF ELECTRONICS CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |