CN207215918U - It is a kind of to light detection tool suitable for cell phone back light source - Google Patents
It is a kind of to light detection tool suitable for cell phone back light source Download PDFInfo
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- CN207215918U CN207215918U CN201721047208.4U CN201721047208U CN207215918U CN 207215918 U CN207215918 U CN 207215918U CN 201721047208 U CN201721047208 U CN 201721047208U CN 207215918 U CN207215918 U CN 207215918U
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- cell phone
- light source
- phone back
- back light
- detection tool
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Abstract
Detection tool is lighted suitable for cell phone back light source the utility model discloses a kind of, cell phone back light source is provided with a FPC stretched out.Including one the working plate for placing the cell phone back light source, the working plate is provided with one for the FPC fixed on the cell phone back light source fixing device, and one is used for for the bright lamp device of the cell phone back light source supply terminals.The fixing device includes a rotation briquetting, and the rotation briquetting is arranged on the working plate.One iron block, the corresponding iron block are installed, the working plate is provided with a magnet on the rotation briquetting.The lamp device includes some copper foils for being used to connect the FPC, in addition to a power supply module being electrically connected with each copper foil.Technical solutions of the utility model are simple and practical, eliminate it is traditional provide output voltage and electric current by source of stable pressure for backlight product, improve production efficiency, reduce enterprise's production cost.
Description
Technical field
Technical field of liquid crystal display is the utility model is related to, it is more particularly to a kind of to light detection suitable for cell phone back light source
Tool.
Background technology
In backlight manufacturing, it is necessary to carry out a series of bad detection to it after backlight product is carried out.Point
Bright test can detect backlight product and whether there is luminous bad, the service condition of finished product be directly influenced, in backlight product
It is particularly important in detection.Generally, backlight product is carried out to light detection by lighting detection tool, still, due to different shaped
Number requirement of the backlight product to electric current it is different, therefore, existing detection tool needs an external source of stable pressure to control its work
Make electric current and voltage to protect backlight product.However, it is desirable to operating personnel debugs output voltage and electric current to source of stable pressure, if adjusting
The normal range (NR) of scope output backlight product is tried, product can be damaged, cause huge quality hidden danger, increase the cost of enterprise.
Utility model content
Main purpose of the present utility model is that proposition is a kind of lights detection tool suitable for cell phone back light source, it is intended to simplifies
Structure, eliminate it is traditional provide output voltage and electric current by source of stable pressure for backlight product, improve production efficiency, reduce
Enterprise's production cost.
To achieve the above object, the utility model proposes the cell phone back light source that is applied to light detection tool, cell phone back
Light source is provided with a FPC stretched out.Including one the working plate for placing the cell phone back light source, the working plate is provided with one
For fixing the fixing device of the FPC on the cell phone back light source, one is used to light for the cell phone back light source supply terminals is bright
Device.
The fixing device includes a rotation briquetting, and the rotation briquetting is arranged on the working plate.The rotation pressure
One iron block, the corresponding iron block are installed, the working plate is provided with a magnet on block.
The lamp device includes some copper foils for being used to connect the FPC, in addition to one electrically connects with each copper foil
The power supply module connect.
Preferably, the power supply module includes some resistance in parallel, and the input in parallel of each resistance connects voltage stabilizing electricity
The output end of subcomponent, the parallel outputs connection one of each resistance are used for the input for adjusting the driving switch of electric current.It is described steady
The input of piezoelectricity subcomponent connects the positive pole of a power interface, another output head grounding of the voltage stabilizing electronic component.It is described
The negative pole of power interface connects both positive and negative polarity switching switch with the output end of the driving switch.Both positive and negative polarity switching switch with
Some copper foils are electrically connected with.
Preferably, each resistance is respectively set to eight different resistance of resistance.
Preferably, some single-pole single-throw(SPSTs that the driving switch includes connecting with each resistance one-to-one corresponding respectively are opened
Close.
Preferably, the voltage stabilizing electronic component is arranged to the voltage stabilizing electronic component of a model LM317T.
Preferably, the quantity of the copper foil is arranged to four, and is be arranged in parallel in two row.
Preferably, the both positive and negative polarity switching switch is arranged to double-pole double-throw switch.
Preferably, the working plate is made up of bakelite.
Preferably, the external driving power of the power interface.
Compared with prior art, the beneficial effects of the utility model are：It is simple in construction, pass through a simple circuit structure generation
For traditional source of stable pressure, the operation of convenient working personnel, while the backlight product of a variety of different models is adapted to, improved
Operating efficiency, production cost is saved.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation that the utility model detects tool；
Fig. 2 is the circuit theory diagrams that the utility model detects tool；
Fig. 3 is a kind of scheme of installation of cell phone back light source of the utility model；
Fig. 4 is the scheme of installation of the utility model another kind cell phone back light source；
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
The a kind of of the present embodiment proposition lights detection tool suitable for cell phone back light source, and cell phone back light source 1 is provided with one
The FPC2 of stretching.Detection tool includes a working plate 3 for being used to place the cell phone back light source 1, and working plate 3 is used for provided with one
The fixing device of FPC2 on fixed cell phone back light source 1, one is used for the lamp device lighted of being powered for cell phone back light source 1.
As shown in figure 1, fixing device includes a rotation briquetting 4, and rotate briquetting 4 and be arranged on working plate 3.Rotate briquetting
One iron block 5, the corresponding iron block 5 are installed, working plate 3 is provided with a magnet 6 on 4.Lamp device includes some for connecting
FPC2 copper foil 7, in addition to a power supply module being electrically connected with each copper foil 7.During detection, cell phone back light source 1 is placed on work
Make on plate 3, pressed by the connection corresponding with the copper foil 7 on working plate 3 of the PIN needle (not shown) on FPC2, then by rotation briquetting 4
To FPC2, now, rotating the iron block 5 on briquetting 4 can be held by the magnet 6 on working plate 3, so as to rotate briquetting 4 by FPC2
It is fixed.Finally by power on, you can mobile phone backlight 1 is carried out to light detection.
It should be noted that as shown in Fig. 2 power supply module includes some resistance in parallel, the input in parallel of some resistance
The output end of one voltage stabilizing electronic component 8 of end connection, and gear of the parallel outputs connection one of some resistance for adjusting electric current
The input of switch 9.The input of voltage stabilizing electronic component 8 connects the positive pole of a power interface 10, voltage stabilizing electronic component 8 it is another
Output head grounding.The negative pole of power interface 10 connects both positive and negative polarity switching switch 11 with the output end of driving switch 9.Both positive and negative polarity is cut
Switch 11 is changed to be electrically connected with some copper foils 7.Voltage stabilizing electronic component 8 is arranged to the voltage stabilizing electronic component of a model LM317T,
The protective effect to circuit can be played, is prevented because circuit or overtension damage cell phone back light source 1.Outside power interface 10
A driving power (not shown) is connect to be powered for detection tool.
Further, some resistance of power supply module are respectively set to eight different resistance of resistance, according to existing mobile phone
The specification of backlight 1 and the requirement to electric current, the resistance of eight resistance are respectively set to R1=300 Ω, R2=400 Ω, R3=
480 Ω, R4=600 Ω, R5=800 Ω, R6=1200 Ω, R7=1600 Ω, R8=2400 Ω.The corresponding resistance, gear
Switch 9 includes corresponding eight single-pole single-throw switch (SPST)s connected with each resistance respectively.Operating personnel can be by controlling eight
The open and close of single-pole single-throw switch (SPST), to control the resistance sizes in access circuit, so as to realize the regulation to circuital current,
Adapt to the cell phone back light source 1 of different current requirements.
Further, the quantity of copper foil 7 is arranged to four, and is be arranged in parallel in two row.Both positive and negative polarity switching switch 11 is set
Switched for double-pole double-throw.Operator can be protected by stirring double-point double-throw switch, to change the positive and negative electrode of four copper foils 7
The both positive and negative polarity of four copper foils 7 of card is staggered, so as to adapt to the cell phone back light source 1 of different size.As shown in figure 3, work as FPC2 edges
, can be by the connection corresponding with copper foil 7 along its length of cell phone back light source 1 when the length direction of cell phone back light source 1 is set.Such as figure
, can be by cell phone back light source 1 along its width and copper foil when widths of the FPC2 along cell phone back light source 1 is set shown in 4
7 corresponding connections.So it is adapted to the cell phone back light source 1 of different FPC distribution arrangements
Further, working plate 3 is made up of bakelite, easy to process, and has higher mechanical strength and insulating properties, not only may be used
The safety of operating personnel can also be protected to improve the service life of detection tool.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of light detection tool suitable for cell phone back light source, cell phone back light source is provided with a FPC stretched out, and its feature exists
In, including one and be used to place the working plate of the cell phone back light source, the working plate is provided with one and is used to fix the cell phone back
The fixing device of FPC on light source, one is used for for the bright lamp device of the cell phone back light source supply terminals；
The fixing device includes a rotation briquetting, and the rotation briquetting is arranged on the working plate；On the rotation briquetting
One iron block, the corresponding iron block are installed, the working plate is provided with a magnet；
The lamp device include it is some be used to connecting the copper foils of the FPC, in addition to one is electrically connected with each copper foil
Power supply module.
2. light detection tool suitable for cell phone back light source as claimed in claim 1, it is characterised in that the power supply module
Including some resistance in parallel, the input in parallel of each resistance connects the output end of a voltage stabilizing electronic component, the parallel connection of each resistance
Output end connection one is used for the input for adjusting the driving switch of electric current；The input of the voltage stabilizing electronic component connects a power supply
The positive pole of interface, another output head grounding of the voltage stabilizing electronic component；The negative pole of the power interface and the driving switch
Output end connect a both positive and negative polarity switching switch；The both positive and negative polarity switching switch is electrically connected with some copper foils.
3. light detection tool suitable for cell phone back light source as claimed in claim 2, it is characterised in that each resistance point
Eight different resistance of resistance are not arranged to.
4. light detection tool suitable for cell phone back light source as claimed in claim 2 or claim 3, it is characterised in that the gear
Switch includes corresponding some single-pole single-throw switch (SPST)s connected with each resistance respectively.
5. light detection tool suitable for cell phone back light source as claimed in claim 2, it is characterised in that the voltage stabilizing electronics
Element is arranged to the voltage stabilizing electronic component of a model LM317T.
6. light detection tool suitable for cell phone back light source as claimed in claim 1, it is characterised in that the number of the copper foil
Amount is arranged to four, and is be arranged in parallel in two row.
7. light detection tool suitable for cell phone back light source as claimed in claim 2, it is characterised in that the both positive and negative polarity is cut
Change switch and be arranged to double-pole double-throw switch.
8. light detection tool suitable for cell phone back light source as claimed in claim 1, it is characterised in that the working plate by
Bakelite is made.
9. light detection tool suitable for cell phone back light source as claimed in claim 2, it is characterised in that the power interface
An external driving power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047208.4U CN207215918U (en) | 2017-08-21 | 2017-08-21 | It is a kind of to light detection tool suitable for cell phone back light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047208.4U CN207215918U (en) | 2017-08-21 | 2017-08-21 | It is a kind of to light detection tool suitable for cell phone back light source |
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| Publication Number | Publication Date |
|---|---|
| CN207215918U true CN207215918U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721047208.4U Active CN207215918U (en) | 2017-08-21 | 2017-08-21 | It is a kind of to light detection tool suitable for cell phone back light source |
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| CN (1) | CN207215918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471280A (en) * | 2018-12-25 | 2019-03-15 | 中航华东光电有限公司 | Universal backlight tooling and production method |
-
2017
- 2017-08-21 CN CN201721047208.4U patent/CN207215918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471280A (en) * | 2018-12-25 | 2019-03-15 | 中航华东光电有限公司 | Universal backlight tooling and production method |
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