CN210348120U - Screen inspection tool - Google Patents
Screen inspection tool Download PDFInfo
- Publication number
- CN210348120U CN210348120U CN201920962636.2U CN201920962636U CN210348120U CN 210348120 U CN210348120 U CN 210348120U CN 201920962636 U CN201920962636 U CN 201920962636U CN 210348120 U CN210348120 U CN 210348120U
- Authority
- CN
- China
- Prior art keywords
- inspection tool
- brackets
- detection part
- rod body
- backlight module
- 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 - Fee Related
Links
- 238000007689 inspection Methods 0.000 title claims description 19
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 description 4
- 241000519995 Stachys sylvatica Species 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The utility model provides an examine screen frock, include: a support; the brackets are respectively arranged on the brackets in a telescopic manner along the vertical direction, and one ends of the brackets are respectively connected with the support; the detection part is formed into a shell with a cavity limited inside, the upper end of the shell is inwards sunken to form a placing groove for placing the backlight module, the bottom surface of the placing groove is provided with a plurality of through holes communicated with the cavity, and the lower end of the detection part is movably connected with the other ends of the plurality of supports; the vacuum film is used for covering the placing groove; the vacuum power system is communicated with the cavity and is used for applying pressure to the backlight film group; and the pressure sensor is arranged on the detection part and used for detecting the pressure of the backlight module. According to the utility model discloses examine screen frock is simple structure not only, can avoid examining the screen in-process moreover and treat the test piece and cause the pollution, influences the testing result, can protect simultaneously to detect the test piece and not damaged.
Description
Technical Field
The utility model relates to a display screen detects technical field, especially relates to an examine screen frock.
Background
The backlight module is a light source provider of the liquid crystal display, and along with the increasingly wide application of the liquid crystal display screen, the quality requirement of people on the backlight module is also increasingly high. The backlight module technology develops towards lightness and thinness, stains, scratches and foreign matters on the surface of the backlight module generate a large amount of defective products, the detection of the backlight module is an important work, in the prior art, the detected backlight module is supported by the detection of the backlight module through a supporting platform, the height and the angle of the supporting platform can not be adjusted, the operation of workers is inconvenient, during the detection, the workers place the backlight module on the supporting platform, after the power is switched on, the workers press the backlight module along a luminous zone by using a special scraper tool, whether white spots, foreign matters and white clusters exist in the luminous zone is observed visually, the detection method easily causes the product to be scratched, the working efficiency is low, and the missing detection phenomenon easily occurs.
In addition, the electrostatic adsorption device is used for detecting whether stains or scratches exist on the surface of the backlight module in a CCD irradiation mode, a power supply is used as a common electrostatic adsorption device, the common electrostatic adsorption device can provide a high-voltage and low-current power supply, the backlight module is conducted through the power supply to generate static electricity, an adsorption function is generated inside the backlight module, and the power supply is cut off when the static electricity is not needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an examine screen frock should examine screen frock convenient to use, and the operation of being convenient for can reduce and avoid backlight unit to be polluted.
According to the utility model discloses examine screen frock, include: a support; the brackets are respectively arranged on the brackets in a telescopic manner along the vertical direction, and one ends of the brackets are respectively connected with the support; the detection part is formed into a shell with a cavity limited inside, the upper end of the shell is inwards sunken to form a placing groove for placing the backlight module, the bottom surface of the placing groove is provided with a plurality of through holes communicated with the cavity, and the lower end of the detection part is movably connected with the other ends of the plurality of brackets; a vacuum film for covering the placing groove; a vacuum power system in communication with the cavity for applying pressure to the backlight film assembly; and the pressure sensor is arranged on the detection part and used for detecting the pressure of the backlight module.
According to the utility model discloses examine screen frock, through set up the standing groove on the detection portion, the standing groove links to each other with vacuum driving system, and support and detection portion are connected respectively to a plurality of supports, should examine screen frock simple structure not only, can avoid moreover examining the screen in-process and treat the test piece and cause the pollution, influence testing result, can protect simultaneously to detect the test piece and not damaged.
According to the utility model discloses examine screen frock can also have following additional technical characteristic.
According to the utility model discloses an embodiment, detection portion forms into the rectangle casing, the support forms into four, four the other end of support respectively with four apex angles of detection portion lower extreme link to each other.
According to the utility model discloses an embodiment, the support includes: one end of the first rod body is connected with the support; and one end of the second rod body is movably connected with the other end of the first rod body, and the other end of the second rod body is connected with the detection part.
According to the utility model discloses an embodiment, the first body of rod with the support is articulated, the second body of rod with detection portion is articulated.
According to the utility model discloses an embodiment, the support still includes: and the driving piece is connected with the first rod body so as to drive the first rod body to slide up and down relative to the second rod body.
According to the utility model discloses an embodiment, examine screen frock, still include: the buffer layer is arranged in the placing groove.
According to an embodiment of the invention, the cushioning layer is formed as a piece of sponge material.
According to the utility model discloses an embodiment, examine screen frock still include: and the transparent pressing plate is used for being placed on the backlight module.
According to the utility model discloses an embodiment, examine screen frock still include: and the supporting columns are respectively arranged in the cavity, and two ends of the supporting columns are respectively connected with the upper inner wall surface and the lower inner wall surface of the detection part.
According to the utility model discloses an embodiment, the through-hole is evenly distributed at intervals the bottom surface of standing groove.
Drawings
Fig. 1 is a schematic structural view of a screen inspection tool according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the detection portion of the screen inspection tool according to the embodiment of the present invention.
Reference numerals:
a screen inspection tool 100; a support 10; a support 20; a first rod 21; a second rod 22; a detection unit (30); a placement groove 31; a vacuum film 40; a pressure sensor 50; a buffer layer 60; and a support post 70.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following first describes the screen inspection tool 100 according to an embodiment of the present invention with reference to the drawings.
According to the utility model discloses examine screen frock 100 includes support 10, a plurality of support 20, detection portion 30, vacuum membrane 40, vacuum power system and pressure sensor 50. Specifically, as shown in fig. 1 and 2, the plurality of brackets 20 are respectively telescopically disposed on the brackets 20 in a vertical direction and one end of each bracket is respectively connected to the support 10, the detecting part 30 is formed as a housing having a cavity defined therein, an upper end of the housing is recessed inward to form a placing groove 31 for placing the backlight module, a bottom surface of the placing groove 31 is provided with a plurality of through holes communicating with the cavity, a lower end of the detecting part 30 is movably connected to the other end of the plurality of brackets 20, a vacuum film 40 is used to cover the placing groove 31, a vacuum power system is communicated with the cavity for applying pressure to the backlight module, and a pressure sensor 50 is disposed on the detecting part 30 for detecting the pressure of the backlight module.
In other words, the screen inspection tool 100 mainly comprises a support 10, a plurality of supports 20, a detection portion 30, a vacuum film 40, a vacuum power system and a pressure sensor 50, wherein the plurality of supports 20 are respectively arranged on the support 10 to support the detection portion 30, and the height of the supports 20 can be adjusted to adjust the height or the inclination angle of the detection portion 30, so that a worker can observe the detection result conveniently, and time and labor are saved. The bottom end of the placing groove 31 is communicated with the cavity, the cavity is communicated with the vacuum power system, it should be noted that the detection part 30 is further provided with a switch button for lighting the backlight module, when the device is used, the backlight module is placed in the placing groove 31, the switch button is turned on, the vacuum film 40 is covered, the vacuum power system is started to enable the placing groove 31 and the cavity to be in vacuum, so that the backlight module is extruded to apply uniform acting force on the backlight module, and whether defects such as white spots, bad foreign matters and the like exist on the backlight module is detected. The vacuum film 40 can prevent external pollution and can apply an acting force to the backlight module through a vacuum power system. After use, the backlight module is separated from the inspection part 30 by air, and the bracket 20 is received for placement.
From this, according to the utility model discloses examine screen frock 100, through set up standing groove 31 on detection portion 30, standing groove 31 links to each other with vacuum driving system, and support 10 and detection portion 30 are connected respectively to a plurality of supports 20, should examine screen frock 100 not only simple structure, can avoid moreover examining the screen in-process and treat the test piece and cause the pollution, influence the testing result, can protect simultaneously to detect the test piece and not damaged.
According to the utility model discloses an embodiment, detection portion 30 forms to the rectangle casing, and support 20 forms to four, and four supports 20's the other end links to each other with four apex angles of detection portion 30 lower extreme respectively, and four supports 20 support detection portion 30, and the structure is firm, is convenient for adjust.
Further, the bracket 20 includes a first rod 21 and a second rod 22. Specifically, one end of the first rod 21 is connected to the support 10, one end of the second rod 22 is movably connected to the other end of the first rod 21, and the other end of the second rod 22 is connected to the detecting portion 30.
Specifically, the radial dimension of the second rod 22 may be smaller than the radial dimension of the first rod 21, one end of the second rod 22 may be inserted into the other end of the first rod 21, the second rod 22 may be in threaded connection with the first rod 21, and in the using process, the sum of the lengths of the second rod 22 and the first rod 21 may be adjusted by rotating the second rod 22, so as to adjust the height or the inclination angle of the detecting portion 30.
According to the utility model discloses an embodiment, first body of rod 21 is articulated with support 10, and second body of rod 22 is articulated with detection portion 30, and the articulated installation and the dismantlement of being convenient for. It should be noted that other pivotal connections between the first rod 21 and the support 10 may also be used.
In an embodiment of the present invention, the bracket 20 further includes a driving member (not shown) connected to the first rod 21 to drive the first rod 21 to slide up and down relative to the second rod 22, so as to activate a switch button on the driving member and adjust the length of the bracket 20, thereby facilitating the operation.
Preferably, the screen inspection tool 100 further comprises a buffer layer 60, the buffer layer 60 is disposed in the placement groove 31, and the buffer layer 60 can prevent the backlight assembly from being crushed.
Further, the cushioning layer 60 is formed as a sponge material member, and the sponge material has not only good air permeability but also a cushioning effect.
The utility model discloses an in the embodiment, examine screen frock 100 still includes transparent pressing plate (not shown), and transparent pressing plate is used for placing on backlight unit, and transparent pressing plate not only is convenient for exert the effort to backlight unit, does not influence moreover and observes the testing result.
Optionally, the screen inspection tool 100 further includes a plurality of support columns 70, the plurality of support columns 70 are respectively disposed in the cavity, and two ends of the plurality of support columns 70 are respectively connected to the upper inner wall surface and the lower inner wall surface of the detection portion 30, and the plurality of support columns 70 mainly play a role in supporting the detection portion 30.
In an embodiment of the present invention, the through holes are uniformly distributed on the bottom surface of the placing groove 31 at intervals, so as to facilitate the placing.
To sum up, according to the utility model discloses examine screen frock 100, through set up standing groove 31 on detection portion 30, standing groove 31 links to each other with vacuum driving system, and support 10 and detection portion 30 are connected respectively to a plurality of supports 20, should examine screen frock 100 not only simple structure, can avoid moreover examining the screen in-process and treat the test piece and cause the pollution, influence the testing result, can protect simultaneously to detect the test piece and not damaged.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an examine screen frock which characterized in that includes: a support;
the brackets are respectively arranged on the brackets in a telescopic manner along the vertical direction, and one ends of the brackets are respectively connected with the support;
the detection part is formed into a shell with a cavity limited inside, the upper end of the shell is inwards sunken to form a placing groove for placing the backlight module, the bottom surface of the placing groove is provided with a plurality of through holes communicated with the cavity, and the lower end of the detection part is movably connected with the other ends of the plurality of brackets;
a vacuum film for covering the placing groove;
the vacuum power system is communicated with the cavity and is used for applying pressure to the backlight module;
and the pressure sensor is arranged on the detection part and used for detecting the pressure of the backlight module.
2. The screen inspection tool according to claim 1, wherein the detection part is formed into a rectangular shell, the number of the brackets is four, and the other ends of the four brackets are respectively connected with four top corners of the lower end of the detection part.
3. The screen inspection tool of claim 1, wherein the bracket comprises: one end of the first rod body is connected with the support;
and one end of the second rod body is movably connected with the other end of the first rod body, and the other end of the second rod body is connected with the detection part.
4. The screen inspection tool according to claim 3, wherein the first rod body is hinged to the support, and the second rod body is hinged to the detection portion.
5. The screen inspection tool of claim 4, wherein the bracket further comprises:
and the driving piece is connected with the first rod body so as to drive the first rod body to slide up and down relative to the second rod body.
6. The screen inspection tool of claim 1, further comprising:
the buffer layer is arranged in the placing groove.
7. The screen inspection tool of claim 6, wherein the buffer layer is formed as a sponge material.
8. The screen inspection tool of claim 1, further comprising:
and the transparent pressing plate is used for being placed on the backlight module.
9. The screen inspection tool of claim 1, further comprising:
and the supporting columns are respectively arranged in the cavity, and two ends of the supporting columns are respectively connected with the upper inner wall surface and the lower inner wall surface of the detection part.
10. The screen inspection tool according to claim 1, wherein the through holes are uniformly distributed on the bottom surface of the placing groove at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962636.2U CN210348120U (en) | 2019-06-25 | 2019-06-25 | Screen inspection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962636.2U CN210348120U (en) | 2019-06-25 | 2019-06-25 | Screen inspection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210348120U true CN210348120U (en) | 2020-04-17 |
Family
ID=70190582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920962636.2U Expired - Fee Related CN210348120U (en) | 2019-06-25 | 2019-06-25 | Screen inspection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210348120U (en) |
-
2019
- 2019-06-25 CN CN201920962636.2U patent/CN210348120U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |