CN208207425U - A kind of portable general LCD test board - Google Patents
A kind of portable general LCD test board Download PDFInfo
- Publication number
- CN208207425U CN208207425U CN201820189826.0U CN201820189826U CN208207425U CN 208207425 U CN208207425 U CN 208207425U CN 201820189826 U CN201820189826 U CN 201820189826U CN 208207425 U CN208207425 U CN 208207425U
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- CN
- China
- Prior art keywords
- contact
- contact sets
- probe
- lcd test
- sets
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Abstract
The utility model discloses a kind of portable general LCD test boards, its key points of the technical solution are that: including pcb board, for connecting the LCD test adaptor head of liquid crystal display and for the probe of connecting test equipment, it further include several contact sets being arranged on pcb board, the contact sets are for connecting different types of LCD test adaptor head, each contact sets include several contacts, contact spaced set in each contact sets, spacing between the width of contact in each contact sets and two neighboring contact is all different, contact described in several groups connects one to one with probe, multiple contact sets are set on pcb board, the LCD test adaptor head of multiple types can be connected on pcb board, LCD suitable for distinct interface is tested, and then it can reach and not need replacement P CB plate, which can be completed, tests a variety of LCD, while also can manufacture, and in the equipment tested suitable for different LCD, reduces production cost.
Description
Technical field
The utility model relates to LCD TEST field, in particular to a kind of portable general LCD test board.
Background technique
LCD(Liquid Crystal Display) i.e. liquid crystal display, matched by control IC, optical filter and oriented film etc.
Part composition has many advantages, such as that low pressure micro energy lose, appearance small and exquisite exquisiteness, display contain much information.LCD includes LED, has been substituted now
CRT becomes mainstream, and price has also had declined very much, and sufficiently universal.
LCD construction is that liquid crystal cell is placed in the parallel glass substrate of two panels, and TFT(film is arranged on lower baseplate glass
Transistor), colored filter is set on upper substrate glass, is changed by signal on TFT and voltage to control liquid crystal molecule
Rotation direction, to reach whether controlling the outgoing of each pixel polarised light and reach display purpose.
LCD is widely used in today's society, and test LCD is then an indispensable step of LCD production and maintenance
Suddenly.
Authorization Notice No. is that the Chinese patent of CN201589829U discloses a kind of liquid crystal display module short circuit detecting system,
The detection system includes power module, the detection control module connecting with power module, will test the electricity of control module output
The flat level switch module converted connect the LCD test board for driving tested LCM work with level switch module,
The detection program that data are transmitted when analogue mobile phone draws high chip selection signal is provided in the detection control module, the LCD is surveyed
A divider resistance is in series in the driving equivalent circuit of test plate (panel).It, can only a kind of circuit but when testing the LCD of distinct interface
Plate corresponds to a kind of LCD of interface, using trouble, and the LCD cost of multiple circuit boards adaptation distinct interface is higher.
Utility model content
The purpose of the utility model is to provide a kind of portable general LCD test boards, its advantage is that can be realized an electricity
The LCD interface of multiple and different models is adapted on the plate of road.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of portable general
LCD test board, LCD test adaptor head including pcb board, for connecting liquid crystal display and for the spy of connecting test equipment
Needle further includes several contact sets being arranged on pcb board, and the contact sets are used to connect different types of LCD test adaptor head,
Each contact sets include several contacts, the contact spaced set in each contact sets, in each contact sets
Contact width and two neighboring contact between spacing be all different, contact described in several groups and probe, which correspond, to be connected
It connects.
Through the above technical solutions, multiple contact sets are set on pcb board, it can be by the LCD test adaptor of multiple types
Head is connected on pcb board, and then guarantees that multiple LCD test adaptor heads can be connect simultaneously on a pcb board, is connect suitable for difference
Mouthful LCD tested, and then can reach and not need replacement pcb board and can be completed a variety of LCD are tested, while also can
It produces in batches, in the equipment tested suitable for different LCD, reduces production cost.
The utility model is further arranged to: the contact sets are set as four groups, are respectively set to the first contact sets, second
Contact sets, third contact sets and the 4th contact sets.
Through the above technical solutions, four contact sets can guarantee the small volume of pcb board, and can adapt to compared with polytypic
LCD test adaptor head, guarantee the setting that more contact sets are completed in the pcb board of small size as far as possible.
The utility model is further arranged to: the spacing between the contact width and two neighboring contact of first contact sets
It is 0.25mm, the spacing between the contact width and two neighboring contact of second contact sets is 0.35mm, the third
Spacing between the contact width of contact sets and two neighboring contact is 0.4mm, the contact width and phase of the 4th contact sets
Spacing between adjacent two contacts is 0.5mm.
Through the above technical solutions, the setting of four contact sets specifications includes that presently most used several LCD test turns
The setting on joint connecting wire road, it is corresponding with the specification of LCD test adaptor head, most of LCD can be tested.
The utility model is further arranged to: several fixation holes are offered on the pcb board.
Through the above technical solutions, the setting of fixation hole can be convenient for for pcb board being fixed in other equipment or original part.
The utility model is further arranged to: the abutting contact sets of linking probe are provided on the pcb board.
Through the above technical solutions, the setting for abutting contact sets, which can adapt to test equipment, abuts or is engaged in abutting contact
In group, connection is completed, without being inserted into probe one by one, saves the time of connection.
The utility model is further arranged to: the protective device for preventing probe aging is additionally provided on the probe,
The protective device includes the protective jacket being set on probe.
Through the above technical solutions, the setting of protective device improves the case where probe is because of poor contacts such as oxidation or dusts
Occur, the setting of protective jacket can prevent probe from directly contacting with the external world, cause to wear and bend, and then prevent probe destruction.
The utility model is further arranged to: the protective jacket is set as the variable protective jacket of length.
Through the above technical solutions, the setting that length can be changed can guarantee, protective jacket energy more convenient in probe grafting
The enough length for changing itself according to the length of probe grafting realizes that distinct device or interface can be plugged on by adapting to probe.
The utility model is further arranged to: the protective jacket includes the fixed part fixed with probe and slides with fixed part
The sliding part of dynamic connection abuts the elasticity resetted after fixed part sliding for sliding part between the sliding part and fixed part
Part.
Through the above technical solutions, the setting of elastic component can guarantee that sliding part is automatic for sliding part after probe grafting confession
It resets, when saving the tedious steps of operator's manual toggle sliding part, while can be realized without probe, automatic protection is visited
Needle.
The utility model is further arranged to: the position of the sliding part close to tips of probes is circumferentially fixed to be provided with abutting
Block, the abutting block are abutted with probe, and the cross section for abutting block is semicircle.
It can prevent external dust from entering in protective jacket through the above technical solutions, abutting the setting of block, prevent probe from covering
Lid dust, at the same abut block can sliding part slide during rub to probe, the oxide layer of detecting probe surface is rubbed
It wipes, guarantees the electric conductivity of probe.
It, can will be more in conclusion the utility model has the following beneficial effects: multiple contact sets are arranged on pcb board
The LCD test adaptor head of a type is connected on pcb board, and then guarantees that multiple LCD tests can be connect simultaneously on a pcb board
Adapter, the LCD suitable for distinct interface are tested, so can reach do not need replacement pcb board can be completed to a variety of
LCD is tested, while also can manufacture, and in the equipment tested suitable for different LCD, reduces production cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the position view that the utility model embodies protective device；
Fig. 3 is the schematic diagram for embodying protective device internal structure；
Fig. 4 is the enlarged drawing of part A in Fig. 3.
In figure, 1, pcb board；11, the first contact sets；12, the second contact sets；13, third contact sets；14, the 4th contact sets；
15, contact sets are abutted；16, fixation hole；2, LCD test adaptor head；3, probe；31, fixing seat；32, metal needle；4, protection dress
It sets；41, fixed part；42, sliding part；43, elastic component；44, block is abutted.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of portable general LCD test board, as shown in Figure 1, a kind of portable general LCD test board, including
Pcb board 1, the LCD test adaptor head 2 for connecting liquid crystal display and the probe 3 for connecting test equipment and setting PCB
Several contact sets on plate 1, LCD test adaptor head 2 are welded in contact sets, and contact sets are set as four groups in the present embodiment
It is respectively set to the first contact sets 11, the second contact sets 12, third contact sets 13 and the 4th contact sets 14.
Spacing between the contact width and two neighboring contact of the first above-mentioned contact sets 11 is 0.25mm, the second contact
Spacing between the contact width and two neighboring contact of group 12 is 0.35mm, the contact width of third contact sets 13 and adjacent two
Spacing between a contact is 0.4mm, and the spacing between the contact width and two neighboring contact of the 4th contact sets 14 is
0.5mm, above-mentioned this set can respectively correspond four kinds of different LCD test adaptor heads 2, more to reach adaptation on a plate
The purpose of kind adapter, in the present embodiment, the quantity of the contact in four contact sets is set as 60, and four contact sets
One-to-one contact series together, concatenated end is connected on different probes 3, several probes 3 are fixed on PCB
On plate 1, and with pcb board 1 welding by way of fix, several probes 3 arrangement length direction two sides be provided with
The abutting contact sets 15 that probe 3 connects, abutting contact sets 15, which directly can pass through to be connected to external device (ED), abuts contact sets 15
Mode connects, without being connected by way of being inserted into probe 3.
Offer fixation hole 16 on pcb board 1, be set as four in the present embodiment, the setting of fixation hole 16 just with other
Pcb board 1 or equipment are fixed.
Referring to shown in Fig. 2 and Fig. 3, the protective device 4 for preventing 3 aging of probe, protective device are additionally provided on probe 3
4 include protective jacket, and the corresponding protective jacket of each probe 3, for one of them, probe 3 includes fixing seat 31 and metal needle
32, protective jacket is set on metal needle 32.
Referring to shown in Fig. 4, protective jacket includes the fixed part 41 fixed with probe 3 and the cunning being slidably connected with fixed part 41
Dynamic portion 42, fixed part 41 are set as fixed with fixing seat 31 in the present embodiment, and the hollow setting of fixed part 41, sliding part 42 protrudes into
It is slidably connected in the hollow position of fixed part 41 and with fixed part 41, limited block (not shown) is provided on sliding part 42,
Sliding part 42 can be prevented to be detached from fixed part 41, abutted between fixed part 41 for sliding part 42 after the sliding of fixed part 41
The elastic component 43 of reset can guarantee to reset after sliding part 42 slides, the length and metal needle of fixed part 41 and sliding part 42
32 is contour, is provided in the position on sliding part 42 close to 32 top of metal needle and abuts block 44, abuts block 44 and is set as rubber material
Abutting block 44, the cross-sectional area of the abutting block 44 is semicircle, and the setting for abutting block 44 can guarantee in sliding part 42 along gold
Belong to and rubbing during needle 32 slides up and down with metal needle 32, grinds off the part of 32 surface oxidation of metal needle, while sliding
Portion 42 can play the role of centainly sealing after resetting, and prevent metal needle 32 from aoxidizing, and metal needle 32 can be protected not pliable.
The course of work: the touching that the corresponding LCD test adaptor head 2 of liquid crystal display to be tested will be needed to be welded on corresponding specification
In point group, liquid crystal display is accessed on LCD test adaptor head 2, test device is connect or is connected to probe 3 abutting contact
In group 15, when being inserted into probe 3, splicing interface abuts sliding part 42, and sliding part 42 is depressed into fixed part 41, extracts patch
When, elastic component 43 resets sliding part 42, in the process, abuts block 44 and wipes with sliding part 42 to 3 surface of probe.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of portable general LCD test board, including pcb board (1), the LCD test adaptor head for connecting liquid crystal display
(2) and for connecting test equipment probe (3), it is characterized in that: further include be arranged pcb board (1) on several contact sets, institute
Contact sets are stated for connecting different types of LCD test adaptor head (2), each contact sets include several contacts, often
Contact spaced set in a contact sets, between the width and two neighboring contact of the contact in each contact sets between
Away from being all different, contact described in several groups connects one to one with probe (3).
2. a kind of portable general LCD test board according to claim 1, it is characterized in that: the contact sets are set as four
Group is respectively set to the first contact sets (11), the second contact sets (12), third contact sets (13) and the 4th contact sets (14).
3. a kind of portable general LCD test board according to claim 2, it is characterized in that: first contact sets (11)
Contact width and two neighboring contact between spacing be 0.25mm, the contact width of second contact sets (12) and adjacent
Spacing between two contacts is 0.35mm, the spacing between the contact width and two neighboring contact of the third contact sets (13)
It is 0.4mm, the spacing between the contact width and two neighboring contact of the 4th contact sets (14) is 0.5mm.
4. a kind of portable general LCD test board according to claim 1, it is characterized in that: being opened up on the pcb board (1)
There are several fixation holes (16).
5. a kind of portable general LCD test board according to claim 1, it is characterized in that: being arranged on the pcb board (1)
There are the abutting contact sets (15) of linking probe (3).
6. a kind of portable general LCD test board according to claim 1, it is characterized in that: being also set up on the probe (3)
There is the protective device (4) for preventing probe (3) aging, the protective device (4) includes the protection being set on probe (3)
Set.
7. a kind of portable general LCD test board according to claim 6, it is characterized in that: the protective jacket is set as long
The variable protective jacket of degree.
8. a kind of portable general LCD test board according to claim 7, it is characterized in that: the protective jacket includes and spy
The sliding part (42) needle (3) fixed fixed part (41) and be slidably connected with fixed part (41), the sliding part (42) and solid
Determine to abut between portion (41) and has the elastic component (43) resetted after fixed part (41) sliding for sliding part (42).
9. a kind of portable general LCD test board according to claim 8, it is characterized in that: the sliding part (42) is close
Circumferentially fixed be provided in the position on probe (3) top abuts block (44), and the abutting block (44) abuts with probe (3), described to support
The cross section of block (44) is connect as semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820189826.0U CN208207425U (en) | 2018-02-02 | 2018-02-02 | A kind of portable general LCD test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820189826.0U CN208207425U (en) | 2018-02-02 | 2018-02-02 | A kind of portable general LCD test board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208207425U true CN208207425U (en) | 2018-12-07 |
Family
ID=64534748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820189826.0U Expired - Fee Related CN208207425U (en) | 2018-02-02 | 2018-02-02 | A kind of portable general LCD test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208207425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114049858A (en) * | 2021-10-09 | 2022-02-15 | 蚌埠高华电子股份有限公司 | Test regulation and control method for universal LCD (liquid crystal display) PIN testing PCB (printed circuit board) equipment |
-
2018
- 2018-02-02 CN CN201820189826.0U patent/CN208207425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114049858A (en) * | 2021-10-09 | 2022-02-15 | 蚌埠高华电子股份有限公司 | Test regulation and control method for universal LCD (liquid crystal display) PIN testing PCB (printed circuit board) equipment |
| CN114049858B (en) * | 2021-10-09 | 2024-03-29 | 蚌埠高华电子股份有限公司 | Test regulation and control method for universal type LCD (liquid Crystal display) PIN (personal identification number) test PCB (printed circuit board) equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181207 Termination date: 20220202 |