CN204065603U - Ignition device - Google Patents
Ignition device Download PDFInfo
- Publication number
- CN204065603U CN204065603U CN201420548656.2U CN201420548656U CN204065603U CN 204065603 U CN204065603 U CN 204065603U CN 201420548656 U CN201420548656 U CN 201420548656U CN 204065603 U CN204065603 U CN 204065603U
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- CN
- China
- Prior art keywords
- pressing plate
- ignition device
- depression bar
- golden finger
- hole
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Abstract
The utility model discloses a kind of ignition device, relate to display technique field.Described ignition device comprises the pressing plate and multiple depression bar that can move back and forth along the direction of the golden finger towards or away from backlight to be detected, multiple described depression bar is removably disposed on described pressing plate, and one end of described depression bar is used for contacting with described golden finger.The ignition device that the utility model provides can by dismantling or install the golden finger position of the corresponding different backlight of depression bar, and applicability is strong, improves production efficiency, reduces cost.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of ignition device.
Background technology
Backlight is the crucial component of liquid crystal display module, is responsible for providing light source to liquid crystal display.Because liquid crystal display itself is not luminous, therefore backlight needs to send evenly and meets the light of brightness requirement, to ensure the display effect of liquid crystal display module.
Easily there is the bad phenomenon such as bright spot, dim spot, moire in backlight, therefore before assembling liquid crystal display module, needs to be detected backlight by ignition device in process of production.
Existing ignition device is all make specially according to the model of backlight, and an ignition device is only applicable to a kind of backlight of structure usually, and make the scope of application of ignition device very narrow, life cycle is short, and cost is high.
Utility model content
The purpose of this utility model is to provide a kind of ignition device, solves the technical matters that existing ignition device life cycle is short, cost is high, applicability is not strong.
For solving the problems of the technologies described above, the utility model provides a kind of ignition device, comprise the pressing plate and multiple depression bar that can move back and forth along the direction of the golden finger towards or away from backlight to be detected, multiple described depression bar is removably disposed on described pressing plate, and one end of described depression bar is used for contacting with described golden finger.
Preferably, described pressing plate is provided with multiple through hole, described depression bar is removably connected with described pressing plate by described through hole.
Preferably, the outside surface of the other end of described depression bar is provided with external thread, the inside surface of described through hole is provided with the internal thread coordinated with described external thread, described depression bar is connected by threaded engagement with described through hole.
Preferably, described depression bar comprises bolt and thread bush, the outside surface of the other end of described depression bar is provided with external thread, the inwall of described thread bush is provided with the internal thread matched with described external thread, described thread bush is made to be fixed on described bolt by threaded engagement, the top of described thread bush can be stretched in described through hole, and the bottom of described thread bush is provided with at least one projection towards described pressing plate, and described pressing plate is limited between the head of described bolt and described projection.
Preferably, described depression bar the one end contacted with described golden finger is provided with insulation course.
Preferably, the spacing between adjacent described through hole is between 0.3mm to 0.5mm.
Preferably, described ignition device also comprises base, and described base is provided with groove, and described groove for placing, described backlight to be detected is provided with the position of described golden finger.
Preferably, multiple copper sheet is provided with in described groove, the position of described copper sheet is corresponding with the position of described depression bar, described copper sheet is used for contacting with described golden finger, described base is also provided with leading-out terminal, described leading-out terminal comprises the wiring of many strip metals, and described metal connection is connected with the internal electrical of described copper sheet at described base.
Preferably, described base is also provided with two supports, two described supports lay respectively at the both sides of described pressing plate, and are all connected with described pressing plate, and described pressing plate can move back and forth along described support in the direction towards or away from described golden finger.
Preferably, described support is provided with sliding tray towards the side of described pressing plate, the both sides of described pressing plate are respectively arranged with sliding part, described sliding part can move back and forth along described sliding tray, described support is also provided with elastic component, one end of described elastic component is fixing on the bracket, and the other end of described elastic component is connected with described sliding part.
The ignition device that the utility model provides can by dismantling or install the golden finger position of the corresponding different backlight of depression bar, and applicability is strong, improves production efficiency, reduces cost.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.
Fig. 1 is one of schematic diagram of the ignition device that the utility model embodiment provides;
Fig. 2 is the schematic diagram two of the ignition device that the utility model embodiment provides;
Fig. 3 is the schematic diagram three of the ignition device that the utility model embodiment provides.
In the accompanying drawings, 1: pressing plate; 10: through hole; 2: depression bar; 21: bolt; 22: thread bush; 23: head; 24: protruding; 25: insulation course; 3: base; 31: groove; 32: leading-out terminal; 33: support; 4: lamp bar; 41: golden finger; 42: light emitting diode.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
The utility model provides a kind of ignition device, as shown in fig. 1.Described ignition device comprises the pressing plate 1 and multiple depression bar 2 that can move back and forth along the direction of the golden finger 41 towards or away from backlight to be detected.Wherein, golden finger 41 refers to the golden finger that is arranged on the lamp bar 4 of backlight.Multiple depression bar 2 is removably disposed on pressing plate 1, and one end of depression bar 2 is used for contacting with golden finger 41.
Usually, the lamp bar 4 of backlight comprises multiple light emitting diode (LED) 42 and soft arranging wire flexible printed circuit board.The golden finger 41 that flexible printed circuit board is arranged is mainly used in being connected with electric supply installation, for backlight is powered.It is easily understood that each lamp bar comprises multiple golden finger 41, such as, shown in FIG lamp bar comprises five golden fingers 41.
At present, with regard to the backlight of small-medium size, in different backlights, spacing between golden finger 41 is normally identical, the width of golden finger 41 is also identical usually, just the definition (positive pole, negative pole, empty pole etc.) of every root golden finger 41 is different, and the quantity of golden finger 41 that different backlights comprises also can be different.
The ignition device that the utility model provides adopts dismountable multiple depression bar 2 to match with pressing plate 1, and the depression bar 2 can arranging in pairs or groups required according to the quantity of the golden finger 41 on backlight to be detected, to light different backlights, applicability is strong.Meanwhile, the utility model solves all needs specialized designs to make the technical matters of corresponding ignition device for different backlights, improves production efficiency, reduces cost.
Such as, the ignition device shown in Fig. 1 comprises five depression bars 2, and when carrying out lighting test to the backlight comprising five golden fingers 41, five depression bars 2 are all arranged in ignition device, for contacting with golden finger 41.When carrying out lighting test to the backlight comprising three golden fingers 41, only three depression bars 2 can be installed, as shown in Figure 2.
Particularly, pressing plate 1 is provided with multiple through hole 10, depression bar 2 is removably connected with pressing plate 1 by through hole 10.Preferably, multiple through hole 10 linearly arranges according to predetermined spacing, the spacing between adjacent through-holes 10 and the spacing between the adjacent golden finger 41 on backlight to be detected corresponding.The spacing of the adjacent golden finger on existing small-medium size backlight is between 0.3mm to 0.5mm, and that the most frequently used is 0.4mm.Therefore, the spacing between adjacent through hole 10 is arranged between 0.3mm to 0.5mm, is preferably 0.4mm.
The concrete fixed form of the utility model to pressing plate 1 and through hole 10 does not limit, and such as, following two kinds of embodiments can be adopted to be fixed.
The first embodiment that depression bar 2 and through hole 10 are fixed is: on the outside surface of the other end (namely away from one end of golden finger 41) of depression bar 2, be provided with external thread, the inside surface of through hole 10 is provided with the internal thread coordinated with described external thread, depression bar 2 is connected by threaded engagement with through hole 10.The advantage of this embodiment is simple to operate, and the length that depression bar 2 stretches out pressing plate 1 is easy to regulate.
The another kind of embodiment that depression bar 2 and through hole 10 are fixed is as shown in Figure 3: depression bar 2 comprises bolt 21 and thread bush 22, the outside surface of the other end (namely away from one end of golden finger 41) of depression bar 2 is provided with external thread, the inwall of thread bush 22 is provided with the internal thread matched with described external thread, thread bush 22 is made to be fixed on bolt 21 by threaded engagement, the top of thread bush 22 can be stretched in through hole 10, the bottom of thread bush 22 is provided with at least one projection 24 towards pressing plate 1, and pressing plate 1 is limited between the head 23 of bolt 21 and protruding 24.
Above-mentioned embodiment when mounted, first thread bush 22 is stretched into through hole 10 from the below of pressing plate 1, protruding 24 are made to compress with the lower surface of pressing plate 1, then the top of bolt 21 from through hole 10 is stretched into, and tightened by threaded engagement with thread bush 22, until the head 23 of bolt 21 compresses with the upper surface of pressing plate 1, namely complete fixation procedure.The advantage of this embodiment is stabilized structure, and without the need to carrying out screw thread process to the inside surface of through hole 10.
Preferably, the one end for contacting with golden finger 41 on depression bar 2 is provided with insulation course 25, and insulation course 25 plays the effect of isolation electric signal, can prevent depression bar 2 pairs of golden fingers 41 from causing wearing and tearing simultaneously.
Further, described ignition device also comprises base 3, base 3 is provided with groove 31, and groove 31 for placing, backlight to be detected is provided with the position of golden finger 41.The pad position of position backlight being provided with golden finger 41 normally on backlight, therefore groove 31 is for placing the pad position of backlight.
Be provided with the copper sheet (not shown) on multiple outstanding groove 31 surface in groove 31, the position of described copper sheet is corresponding with the position of depression bar 2, and described copper sheet is used for contacting with golden finger 41, to make golden finger 41 and described ignition device conducting.
Base 3 is also provided with leading-out terminal 32, and leading-out terminal 32 comprises the wiring of many strip metals, and described metal connection is connected with the internal electrical of described copper sheet at base 3.
When using described ignition device, first golden finger position is placed in groove 31, golden finger 41 is contacted with described copper sheet one_to_one corresponding, then presses down pressing plate 1, utilize depression bar 2 golden finger 41 and described copper sheet to be compressed.Preferably, the quantity of the metal connection in leading-out terminal 32 is consistent with the quantity of described copper sheet, and connect one to one with the inside of described copper sheet at base 3, then according to the concrete definition (positive pole, negative pole, empty pole etc.) of golden finger 41, leading-out terminal 32 is connected with electric supply installation, just can lights backlight.
Further, base 3 is also provided with the both sides that two supports, 33, two supports 33 lay respectively at pressing plate 1, and is all connected with pressing plate 1, pressing plate 1 can move back and forth along support 33 in the direction towards or away from golden finger 41.
The connected mode of the utility model to pressing plate 1 and support 33 does not limit, as long as pressing plate 1 can be made to move back and forth on the direction towards or away from golden finger 41.
Such as, can arrange sliding tray, arrange sliding part respectively in the both sides of pressing plate 1 on support 33 towards the side of pressing plate 1, described sliding part can move back and forth along described sliding tray.And, support 33 is also provided with elastic component, and one end of described elastic component is fixed on support 33, and the other end of described elastic component is connected with described sliding part, to make pressing plate 1 to move back and forth, and then the depression bar 2 be fixed on pressing plate 1 is made to compress or to unclamp golden finger 41.
In FIG, using the quantity of golden finger 41 be five as embodiment, in fig. 2, using the quantity of golden finger 41 be three as embodiment.In actual mechanical process, according to the quantity installation or removal depression bar 2 of the golden finger 41 of different backlight, can realize lighting different backlight according to the definition change leading-out terminal 32 of golden finger 41 from the order of connection of electric supply installation simultaneously.
The ignition device that the utility model provides is by dismantling or increase the golden finger position of the corresponding different backlight of depression bar, and applicability is strong, and life cycle is long.Compared with prior art, without the need to frequently making special ignition device for different backlights, improve production efficiency, reducing cost.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (10)
1. an ignition device, comprise the pressing plate and multiple depression bar that can move back and forth along the direction of the golden finger towards or away from backlight to be detected, it is characterized in that, multiple described depression bar is removably disposed on described pressing plate, and one end of described depression bar is used for contacting with described golden finger.
2. ignition device according to claim 1, is characterized in that, described pressing plate is provided with multiple through hole, and described depression bar is removably connected with described pressing plate by described through hole.
3. ignition device according to claim 2, it is characterized in that, the outside surface of the other end of described depression bar is provided with external thread, and the inside surface of described through hole is provided with the internal thread coordinated with described external thread, described depression bar is connected by threaded engagement with described through hole.
4. ignition device according to claim 2, it is characterized in that, described depression bar comprises bolt and thread bush, the outside surface of the other end of described depression bar is provided with external thread, the inwall of described thread bush is provided with the internal thread matched with described external thread, described thread bush is made to be fixed on described bolt by threaded engagement, the top of described thread bush can be stretched in described through hole, the bottom of described thread bush is provided with at least one projection towards described pressing plate, and described pressing plate is limited between the head of described bolt and described projection.
5. ignition device as claimed in any of claims 1 to 4, is characterized in that, described depression bar the one end contacted with described golden finger is provided with insulation course.
6. ignition device as claimed in any of claims 2 to 4, is characterized in that, the spacing between adjacent described through hole is between 0.3mm to 0.5mm.
7. ignition device as claimed in any of claims 1 to 4, is characterized in that, described ignition device also comprises base, and described base is provided with groove, and described groove for placing, described backlight to be detected is provided with the position of described golden finger.
8. ignition device according to claim 7, it is characterized in that, multiple copper sheet is provided with in described groove, the position of described copper sheet is corresponding with the position of described depression bar, described copper sheet is used for contacting with described golden finger, described base is also provided with leading-out terminal, and described leading-out terminal comprises the wiring of many strip metals, and described metal connection is connected with the internal electrical of described copper sheet at described base.
9. ignition device according to claim 8, it is characterized in that, described base is also provided with two supports, two described supports lay respectively at the both sides of described pressing plate, and be all connected with described pressing plate, described pressing plate can move back and forth along described support in the direction towards or away from described golden finger.
10. ignition device according to claim 9, it is characterized in that, described support is provided with sliding tray towards the side of described pressing plate, the both sides of described pressing plate are respectively arranged with sliding part, described sliding part can move back and forth along described sliding tray, described support is also provided with elastic component, and one end of described elastic component is fixing on the bracket, and the other end of described elastic component is connected with described sliding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548656.2U CN204065603U (en) | 2014-09-23 | 2014-09-23 | Ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420548656.2U CN204065603U (en) | 2014-09-23 | 2014-09-23 | Ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065603U true CN204065603U (en) | 2014-12-31 |
Family
ID=52207078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420548656.2U Expired - Fee Related CN204065603U (en) | 2014-09-23 | 2014-09-23 | Ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761235A (en) * | 2018-05-24 | 2018-11-06 | 京东方科技集团股份有限公司 | Device for backlight module energization test |
-
2014
- 2014-09-23 CN CN201420548656.2U patent/CN204065603U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761235A (en) * | 2018-05-24 | 2018-11-06 | 京东方科技集团股份有限公司 | Device for backlight module energization test |
| CN108761235B (en) * | 2018-05-24 | 2020-12-04 | 京东方科技集团股份有限公司 | Device for testing power-on of backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 |