CN204166016U - For the probe unit of detection display panel - Google Patents
For the probe unit of detection display panel Download PDFInfo
- Publication number
- CN204166016U CN204166016U CN201420609845.6U CN201420609845U CN204166016U CN 204166016 U CN204166016 U CN 204166016U CN 201420609845 U CN201420609845 U CN 201420609845U CN 204166016 U CN204166016 U CN 204166016U
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- probe
- pedestal
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- holder
- block
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- 239000000523 sample Substances 0.000 title claims abstract description 114
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229920001342 Bakelite® Polymers 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000004637 bakelite Substances 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Measuring Leads Or Probes (AREA)
Abstract
The utility model provides a kind of probe unit for detection display panel; comprise probe block and pedestal; described probe block is fixed on the bottom of described pedestal; described probe unit also comprises probe protection device; described probe protection device comprises catch and two linking arms; linking arm interval described in two arranges and is individually fixed in inside described catch, and the free end of linking arm described in two is articulated and connected with described pedestal respectively, and described catch gear is located at the outside of described probe block.Above-mentioned probe unit, owing to comprising probe protection device, probe protection device gear is located at outside probe block, can not touch probe block when operating personnel are operated, and effectively prevents the damage of probe block.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of probe unit for detection display panel.
Background technology
Flat display apparatus on sale is in the market of a great variety, as liquid crystal indicator (LCD), Organic Light Emitting Diode (OLED), inorganic EL display device (EL) and plasm display device (PDP) etc.
But, no matter be which kind of flat display apparatus, before it not yet enters modularity processing procedure, all need to carry out wireline inspection and lighting detection, to determine whether this display panel can normally work to its display panel.The detection of display panel is generally realized by probe unit.The detection of display panels is generally divided into two stages: one is before display panels not yet injects liquid crystal, be overlapped in the thin-film transistor circuit (Thin FilmTransistor circuit) on display panels by probe unit and carry out open circuit/short circuit test, to filter out substandard product; One is after display panels injects liquid crystal, and Dynamic Signal is caused board and carries out the colourity, color defect etc. that lighting test carrys out test fluid LCD panel by application probe device.
Fig. 1 is the structural representation of existing probe unit, shown in Figure 1, probe unit 400 comprises probe 401, ceramic arm 402, holder 403 and pedestal 404, what probe 401 was multiple and interval is fixed on ceramic arm 402, the tip of probe 401 protrudes from the side of ceramic arm 402 and is bent downwardly, pottery arm 402 is fixed on the lower end of holder 403, the upper end of holder 403 is fixedly connected with pedestal 404, holder 403 can drive probe 401 vertically to move up and down, and pedestal 404 is fixed on board 600.During detection, display panel 500 is positioned on board 600, and probe 401 is overlapped on display panel 500.
In detection operating process, if detect display panel existing defects, operating personnel need to use some aids as magnifier, CD pen, some wire gauge etc., defect is judged in detail, indicates and the measurement of defect size, when operating personnel's misoperation, above-mentioned aid very easily interferes with probe 401 and ceramic wall 402 or collides, because probe 401 only has the thickness of tens microns, therefore very easily cause the bending of probe 401 or damage or cause the damage of ceramic wall 402 of stationary probe 401.
Utility model content
In view of above-mentioned condition, be necessary to provide a kind of probe unit, it has probe protection device, and probe can be protected to avoid outside interference and collision.
The utility model provides a kind of probe unit for detection display panel; comprise probe block and pedestal; described probe block is fixed on the bottom of described pedestal; described probe unit also comprises probe protection device; described probe protection device comprises catch and two linking arms; linking arm interval described in two arranges and is individually fixed in inside described catch, and the free end of linking arm described in two is articulated and connected with described pedestal respectively, and described catch gear is located at the outside of described probe block.
Preferably, described pedestal comprises holder and pedestal, the side of described pedestal is removably fixed in the upper end of described holder, described holder can move up and down relative to described pedestal, described holder and described pedestal are formed with gap, described probe block is fixed on the bottom of described holder, and described pedestal is fixed on board.
Preferably, described pedestal also comprises slide mechanism described in slide mechanism and is arranged in described gap, described slide mechanism comprises slide block and chute, described slide block is fixed on described holder and described pedestal on one of them and described chute is fixed on wherein another, and described slide block to be limited in described chute and can to move up and down along described chute.
Preferably, the upper surface of described holder is provided with the second threaded hole, described pedestal is provided with the second shoulder hole, second bolt inserts described second shoulder hole and screws in described second threaded hole and be fixed on described pedestal by described holder, be provided with the first spring between described holder and described pedestal and be sheathed on described second bolt, described first spring is in compressive state.
Preferably; described probe protection device also comprises two the second springs; described in two, the second spring is arranged at the both sides of described pedestal respectively; one end of each described second spring is fixed on the described linking arm away from free end and the other end is fixed on described pedestal, and described in two, the second spring is about the axisymmetrical of described pedestal.
Preferably, described probe protection device also comprises rubber layer, and described rubber layer is coated on the outside of described catch.
Preferably, described rubber layer is coated on the outside of described catch foremost.
Preferably, described catch is arc-shaped flaky structure.
As mentioned above; the beneficial effect that the technical scheme of the utility model embodiment is brought is: probe unit of the present utility model, and owing to comprising probe protection device, probe protection device gear is located at outside probe block; can not touch probe block when operating personnel are operated, effectively prevent the damage of probe block.
Accompanying drawing explanation
Fig. 1 is the perspective view of existing probe unit.
Fig. 2 is the perspective view of probe unit of the present utility model.
Fig. 3 is the decomposition texture schematic diagram of the probe unit shown in Fig. 2.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to embodiment of the present utility model, structure, feature and effect thereof, be described in detail as follows.
Fig. 2 is the perspective view of probe unit of the present utility model, and Fig. 3 is the decomposing schematic representation of the probe unit shown in Fig. 2, and except probe unit 100, also comprise display panel 200 and board 300 in Fig. 2, concrete refers to shown in Fig. 2 to Fig. 3.
The probe unit 100 of the utility model embodiment, comprises probe block 10, pedestal 20 and probe protection device 30.
Probe block 10 comprises ceramic arm 12, probe 14 and fixed block 16.
The lower surface of pottery arm 12 is provided with one group of equally spaced cell body 122 of level, and probe 14 is individually fixed in cell body 122, and the pointed end of probe 14 bends and protrudes from the sidewall of ceramic arm 12 side.The lower surface of fixed block 16 is provided with groove 162, and ceramic arm 12 embeds and is fixed in groove 162, and the tip of probe 14 protrudes from fixed block 16.The internal thread that the upper surface of fixed block 16 is provided with the first threaded hole 164 and pilot hole 166, first threaded hole 164 matches with the external thread of the first bolt 27.Fixed block 16 adopts material such as aluminium alloy, acrylic, the bakelite etc. with certain degree of hardness and intensity to make, preferred aluminium alloy.
Pedestal 20 comprises holder 22, pedestal 24, slide mechanism 26, first bolt 27, second bolt 28, first spring 29 and the 3rd bolt 23.
Holder 22 is in block structure, holder 22 is provided with the first vertical shoulder hole 222, first shoulder hole 222 comprises the first resettlement section 223 and the first through hole 221 with the first resettlement section 223 coaxial communication, the diameter of the first resettlement section 223 is greater than the diameter of the first through hole 221, the large I collecting of the first resettlement section 223 head of spacing first bolt 27, the diameter of the first through hole 221 equals or the diameter of screw rod slightly larger than the first bolt 27.The lower surface of holder 22 is provided with the register pin 224 protruding from holder 22 lower surface straight down, and the diameter of register pin 224 equals the diameter of pilot hole 166, and the length of register pin 224 is equal to or less than the length of pilot hole 166.Spacing between first through hole 221 of the first shoulder hole 222 and register pin 224 is identical with the spacing between the first threaded hole 164 and pilot hole 166.Register pin 224 inserts in pilot hole 166, the first through hole 221 and the first threaded hole 164 that adjust the first shoulder hole 222 coincide, and the first bolt 27 is inserted the first shoulder hole 222 and screws in the first threaded hole 164 and then being fixed on probe block 10 laminating on holder 22.Be appreciated that in other embodiments, be provided with female thread structure in the first through hole 221, the female thread structure of the first through hole 221 matches with the external thread of the first bolt 27, and the first bolt 27 is threaded with the first through hole 221 and the first threaded hole 164 simultaneously.The internal thread that the upper surface of holder 22 is provided with the second threaded hole 226, second threaded hole 226 matches with the external thread of the second bolt 28.Holder 22 adopts material such as aluminium alloy, acrylic, the bakelite etc. with certain degree of hardness and intensity to make.
Pedestal 24 comprises base body 242 and web joint 244, base body 242 is roughly in block structure, the upper end, side of base body 242 is fixedly connected with web joint 244, the thickness of web joint 244 is less than base body 242, web joint 244 is provided with the second vertical shoulder hole 245 away from the direction of base body 242, second shoulder hole 245 comprises the second resettlement section 247 and the second through hole 248 with the second resettlement section 247 coaxial communication, the diameter of the second resettlement section 247 is greater than the diameter of the second through hole 248, the large I of the second resettlement section 247 is accommodated and the head of spacing second bolt 28, the diameter of the second through hole 248 equals or the diameter of screw rod slightly larger than the second bolt 28.Second bolt 28 inserts the second shoulder hole 245 and screws in the second threaded hole 226 and then by holder 22 and is fixed on pedestal 24.Certain gap 25 is had between the holder 22 interfixed and pedestal 24.Base body 242 is away from the base body 242 of the side of web joint 244 being provided with multiple vertical third through-hole 246, and pedestal 24 is fixed on board 300 by the 3rd bolt 23 by third through-hole 246.
First spring 29 to be sheathed on the second bolt 28 and to be limited between web joint 244 and holder 22, first spring 29 is in compressive state all the time, first spring 29 has restoring force, when probe 14 can be kept to touch display panel 200, there is some strength but intensity can not be excessive, thus avoid probe 14 and display panel 200 to produce mutual damage in the process of touching.
Slide mechanism 26 is arranged in gap 25, slide mechanism 26 comprises slide block 262 and chute 264, in the present embodiment, slide block 262 for xsect be trapezoidal block structure, chute 264 is for being provided with the block structure of vertical direction cell body 265, the bottom of cell body 265 is wider than the top of cell body 265, and the xsect of cell body 265 is identical with the xsect of slide block 262, is trapezium structure.Slide block 262 is fixed on holder 22 and pedestal 24 on one of them, and chute 264 is fixed on holder 22 and pedestal 24 wherein another, and in the present embodiment, slide block 262 is fixed on holder 22, and chute 264 is fixed on pedestal 24.While holder 22 is fixed with pedestal 24 by the second bolt 28, slide block 262 inserts cell body 265 from the lower end of chute 264, and slide block 262 is limited in chute 264 and also can moves up and down along cell body 265, and slide mechanism 26 plays horizontal location effect.When display panel 200 touched by probe 14, display panel 200 pairs of probes 14 produce and upward pressure and be sent to the first spring 29, first spring 29 upwards shrinks slide block 262 simultaneously and moves up along chute 264, and slide mechanism 26 is guaranteed that holder 22 can not produce relative to pedestal 24 and moved horizontally.
Probe protection device 30 comprises catch 32, two linking arms 34, two the second springs 36 and rubber layer 38.
Catch 32 is for having the arc-shaped flaky structure of certain thickness and hardness, and catch 32 is arranged at the outside of probe block 10 (probe 14).Two linking arm 34 intervals arrange and are fixedly connected with the two ends, left and right inside catch 32 respectively, and holder 22 is located in the middle of the two by two linking arms 34, and the free end of two linking arms 34 is articulated with O point with holder 22 respectively.Two the second springs 36 are arranged at the left and right sides of pedestal 20 respectively, one end of two the second springs 36 is fixed on the outside away from the linking arm 34 of free end, the other end of two the second springs 36 is fixed on pedestal 24, the position that two the second springs 36 are arranged is about the axisymmetrical of pedestal 20, and the second spring 36 is in free state.Catch 32 is touch probe block 10 not, and lower than probe 14 bottom, catch 32 forms protective barrier in the outside of probe block 10 in the lower end of catch 32.When catch 32 contacts with display panel 200, only the black matrix area of contact display panel 200, like this, can not have influence on the detection to display panel 200.Catch 32 and linking arm 34 adopt material such as aluminium alloy, acrylic, the bakelite etc. with certain degree of hardness and intensity to make, preferred aluminium alloy.
Rubber layer 38 is coated on the outside of catch 32, and preferably, rubber layer 38 is coated on the outside of catch 32 foremost, and rubber layer 38 can play the effect avoiding probe protection device 30 scratch display panel 200.
Refer to shown in Fig. 2 and Fig. 3, the action principle of the probe protection device 30 of the probe unit 100 in above-described embodiment is as follows:
When probe unit 100 works, traveling probe block 10 contacts with display panel 200, because catch 32 is in the outside of probe block 10, when traveling probe block 10 touches display panel 200, catch 32 can touching at first display panel 200 is then rapid pops up around O point, play certain buffer action, and infringement can not be produced to display panel 200.In detection operating process; operating personnel use aid as magnifier, CD pen, some wire gauge etc. defect is judged in detail, indicate, measure time; owing to having catch 32 in the outside of probe block 10; thus can not touch probe block 10, probe protection device 30 plays the protective effect to probe block 10.When changing probe block 10; probe protection device 30 is mentioned around O point; under the effect of two the second springs 36; probe protection device 30 can be fixed, and probe block 10 is exposed, then changes the carrying out of probe block 10; after replacing; shift probe protection device onto former protective position 30 times again, complete Renewal process, this Renewal process is simple and convenient, easily operate.
As mentioned above; the beneficial effect that the technical scheme of the utility model embodiment is brought is: probe unit 100 of the present utility model; owing to comprising probe protection device 30; probe protection device 30 gear is located at outside probe block 10; can not touch probe block 10 when operating personnel are operated, effectively prevent the damage of probe block 10.
In the utility model, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, except comprising those listed key elements, but also can comprise other key elements clearly do not listed.
In the utility model, the involved noun of locality such as forward and backward, upper and lower is arranged in figure with parts in accompanying drawing and parts position each other defines, clear and convenient just in order to expression technology scheme.Should be appreciated that the use of the described noun of locality should not limit the scope of the application's request protection.
When not conflicting, the feature in the utility model in above-described embodiment and embodiment can be combined with each other.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the probe unit for detection display panel (100), comprise probe block (10) and pedestal (20), described probe block (10) is fixed on the bottom of described pedestal (20), it is characterized in that: described probe unit (100) also comprises probe protection device (30), described probe protection device (30) comprises catch (32) and two linking arms (34), linking arm described in two (34) interval arranges and is individually fixed in described catch (32) inner side, the free end of linking arm described in two (34) is articulated and connected with described pedestal (20) respectively, described catch (32) gear is located at the outside of described probe block (10).
2. probe unit (100) as claimed in claim 1, it is characterized in that: described pedestal (20) comprises holder (22) and pedestal (24), the side of described pedestal (24) is removably fixed in the upper end of described holder (22), described holder (22) can move up and down relative to described pedestal (24), described holder (22) and described pedestal (24) are formed with gap (25), described probe block (10) is fixed on the bottom of described holder (22), described pedestal (24) is fixed on board (300).
3. probe unit (100) as claimed in claim 2, it is characterized in that: described pedestal (20) also comprises slide mechanism (26), described slide mechanism (26) is arranged in described gap (25), described slide mechanism (26) comprises slide block (262) and chute (264), described slide block (262) is fixed on described holder (22) and described pedestal (24) on one of them and described chute (264) is fixed on wherein another, described slide block (262) is limited in described chute (264) and also can moves up and down along described chute (264).
4. probe unit (100) as claimed in claim 3, it is characterized in that: the upper surface of described holder (22) is provided with the second threaded hole (226), described pedestal (24) is provided with the second shoulder hole (245), second bolt (28) inserts described second shoulder hole (245) and screws in described second threaded hole (226) and be fixed on described pedestal (24) by described holder (22), be provided with the first spring (29) between described holder (22) and described pedestal (24) and be sheathed on described second bolt (28), described first spring (29) is in compressive state.
5. probe unit (100) as claimed in claim 1; it is characterized in that: described probe protection device (30) also comprises two the second springs (36); described in two, the second spring (36) is arranged at the both sides of described pedestal (20) respectively; one end of each described second spring (36) is fixed on that described linking arm (34) away from free end is upper and the other end is fixed on described pedestal (20), and described in two, the second spring (36) is about the axisymmetrical of described pedestal (20).
6. probe unit (100) as claimed in claim 1; it is characterized in that: described probe protection device (30) also comprises rubber layer (38), described rubber layer (38) is coated on the outside of described catch (32).
7. probe unit (100) as claimed in claim 6, is characterized in that: described rubber layer (38) is coated on the outside of described catch (32) foremost.
8. probe unit (100) as claimed in claim 1, is characterized in that: described catch (32) is arc-shaped flaky structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609845.6U CN204166016U (en) | 2014-10-21 | 2014-10-21 | For the probe unit of detection display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609845.6U CN204166016U (en) | 2014-10-21 | 2014-10-21 | For the probe unit of detection display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166016U true CN204166016U (en) | 2015-02-18 |
Family
ID=52539694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609845.6U Active CN204166016U (en) | 2014-10-21 | 2014-10-21 | For the probe unit of detection display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142931A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of system and method for piezoelectric ceramics test |
-
2014
- 2014-10-21 CN CN201420609845.6U patent/CN204166016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142931A (en) * | 2018-09-03 | 2019-01-04 | 苏州华兴源创科技股份有限公司 | A kind of system and method for piezoelectric ceramics test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee after: InfoVision Optoelectronics(Kunshan)Co.,Ltd. Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou Patentee before: INFOVISION OPTOELECTRONICS (KUNSHAN) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |