CN209264833U - Liquid crystal dielectric constant test device - Google Patents
Liquid crystal dielectric constant test device Download PDFInfo
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- CN209264833U CN209264833U CN201822049696.3U CN201822049696U CN209264833U CN 209264833 U CN209264833 U CN 209264833U CN 201822049696 U CN201822049696 U CN 201822049696U CN 209264833 U CN209264833 U CN 209264833U
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 76
- 239000000758 substrate Substances 0.000 claims description 38
- 239000002184 metal Substances 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000009774 resonance method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The utility model is suitable for liquid crystal test equipment technical field, provide a kind of liquid crystal dielectric constant test device, including rack and rack-mounted jacking unit, mobile unit, first support plate, second support plate, thickness test cell and dielectric constant test cell, thickness test cell is located at the top of the first support plate, dielectric constant test cell is located at the second support plate, the end of first support plate and the contact of the end of the second support plate, the two sides of the first support plate and the second support plate are arranged in mobile unit, end of first support plate far from the second support plate is arranged in jacking unit, mobile unit, suction hole is equipped on first support plate and the second support plate, jacking unit is used to control the vertical height of liquid crystal board, mobile unit is for transporting liquid crystal board, thickness test cell is used to test the thickness of liquid crystal board, dielectric constant test cell is for testing liquid crystal The dielectric constant of plate.Device noumenon structure is simple, has the characteristics that cost is low.
Description
Technical field
The utility model belongs to liquid crystal test equipment technical field more particularly to a kind of liquid crystal dielectric constant test device.
Background technique
With the continuous progress of electronic technology, the dielectric constant to liquid crystal material in microwave frequency band carries out precise measurement
It is the key that carry out liquid crystal microwave components design and analysis.The measurement of the existing dielectric constant to liquid crystal material in microwave frequency band
Method mainly has three classes: first is perturbation method, and second is the resonance method, and third is phase shifter method.Wherein, the measurement accuracy of perturbation method
It is relatively high, but structure is complicated, cost is high for measuring device；The measuring device of the structure of the measuring device of phase shifter method than perturbation method
Structure is simple, but the precision requirement that phase shifter method processes structural member is very high, while needing to cooperate strong static magnetic field to liquid crystal material
Material applies bias magnetic field, therefore structure is still complex, and there is a problem of that cost is high.
Utility model content
In view of this, the utility model embodiment provides a kind of liquid crystal dielectric constant test device, to solve existing skill
The problem that liquid crystal test equipment is complicated in art, cost is high.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of liquid crystal dielectric constant test
Device, including rack and rack-mounted mobile unit, the first support plate, the second support plate, thickness test cell and dielectric it is normal
Number test cell, the thickness test cell are located at the top of first support plate, and the dielectric constant test cell is located at institute
It states at the second support plate, the end contact of the end of first support plate and second support plate, the mobile unit is arranged in institute
The two sides of the first support plate and second support plate are stated, are all provided on the mobile unit, first support plate and second support plate
There is suction hole, the mobile unit is used to place liquid crystal for transporting liquid crystal board, first support plate and second support plate
Plate, the thickness test cell are used to test the thickness of liquid crystal board, and the dielectric constant test cell is for testing liquid crystal board
Dielectric constant.
Further, first bearing plate of mobile unit, the second bearing plate, transverse slat, pneumatic sliding rail, guide rail and jacking gas
Cylinder, the pneumatic sliding rail and the guide rail are arranged in parallel in the two sides of first support plate and second support plate, the transverse slat
One end connect on the sliding block of the pneumatic sliding rail, the other end of the transverse slat and the guide rail are slidably connected, and described first holds
Weight plate and second bearing plate are arranged in parallel in the two sides of first support plate and second support plate, first bearing plate
With the boss location structure with suction hole is equipped at the top of second bearing plate, the jacking cylinder is mounted on described
The lower section of parallel-plate below one support plate and the second support plate.
Further, the thickness test cell includes that setting the first slider, second above first support plate are slided
Dynamic device and laser range sensor, second slider connect on the sliding block of first slider, and the laser ranging passes
Sensor is fixed on the sliding block of second slider, the axis of the first slider length direction and second slider
The axis of length direction is mutually perpendicular to.
Further, the dielectric constant test cell includes:
The first substrate and the second substrate being oppositely arranged；
The first substrate is set in turn in towards the conductive layer and the first alignment film in the second substrate one side, it is described
Conductive layer is configured to receive first voltage signal；
The second substrate is set in turn in towards the resonance structure layer and the second alignment film in the first substrate one side,
The resonance structure layer is configured to receive second voltage signal, and is configured to transmission microwave signal；
The frame being set between the first substrate and the second substrate, the frame cooperate the first substrate and
The second substrate forms the cavity for accommodating liquid crystal to be measured.
Further, the resonance structure layer includes:
Composite resonant structure, including spaced main resonance structure and from resonance structure, the product of the main resonance structure
Prime factor is less than the quality factor from resonance structure；
It is respectively arranged at first signal wire and second signal line at main resonance structure both ends, first signal wire is used
In receive microwave signal, the second signal line is for exporting microwave signal；
The first coupled capacitor being connected between first signal wire and the main resonance structure, and it is connected to described
The second coupled capacitor between binary signal line and the main resonance structure.
Further, the main resonance structure includes linear metal strap, one end of the linear metal strap with
The first coupled capacitor electrical connection, the other end are electrically connected with second coupled capacitor.
Further, first coupled capacitor includes two opposite and spaced first metal electrodes, wherein one
A first metal electrode is electrically connected with one end of the main resonance structure, another first metal electrode and first signal wire
Electrical connection；Second coupled capacitor includes two opposite and spaced second metal electrodes, one of them second metal
Electrode is electrically connected with the other end of the main resonance structure, another second metal electrode is electrically connected with the second signal line.
Further, the region of first substrate occupied by the cavity at least cover it is described from resonance structure described the
Orthographic projection on one substrate.
The beneficial effects of adopting the technical scheme are that the utility model devises a kind of liquid crystal dielectric constant
Test device, including rack and rack-mounted mobile unit, the first support plate, the second support plate, thickness test cell and Jie
Electric constant test cell, thickness test cell are located at the top of the first support plate, and dielectric constant test cell is located at the second support plate,
The two sides of the first support plate and the second support plate are arranged in the end of first support plate and the contact of the end of the second support plate, mobile unit, move
Suction hole is equipped on moving cell, the first support plate and the second support plate, mobile unit is for transporting liquid crystal board, the first support plate and second
Support plate is used to place liquid crystal board, and thickness test cell is used to test the thickness of liquid crystal board, and dielectric constant test cell is for surveying
Try the dielectric constant of liquid crystal board.When testing liquid crystal board, liquid crystal board is placed in mobile unit, mobile unit first will
Liquid crystal board is transported on the first support plate, and thickness test cell tests the thickness of liquid crystal board, after thickness is completed to test, is moved
Liquid crystal board is transported on the second support plate by moving cell, dielectric constant of the dielectric constant test cell to the liquid crystal board on the second support plate
It is tested, after completing test, liquid crystal board is transported to initial position by mobile unit, and staff replaces liquid crystal board and carries out down
The test of one liquid crystal board.The present apparatus can be realized the accurate positioning to liquid crystal board, the thickness and dielectric constant to liquid crystal board into
Row test, device noumenon structure is simple, has the characteristics that cost is low.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of liquid crystal dielectric constant test device provided by the embodiment of the utility model.
In figure: 1, rack；2, the first support plate；3, the second support plate；4, the first bearing plate；5, the second bearing plate；6, transverse slat；7,
Pneumatic sliding rail；8, guide rail；9, jacking cylinder；10, the first slider；11, the second slider；12, laser range sensor；13,
First substrate；14, the second substrate.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
As shown in Figure 1, liquid crystal dielectric constant test device includes rack 1 and the mobile unit being mounted in rack 1, first
Support plate 2, the second support plate 3, thickness test cell and dielectric constant test cell, thickness test cell are located at the upper of the first support plate 2
Side, dielectric constant test cell are located at the second support plate 3, the end contact of the end of the first support plate 2 and the second support plate 3, mobile
The two sides of the first support plate 2 and the second support plate 3 are arranged in unit, are equipped with suction on mobile unit, the first support plate 2 and the second support plate 3
Stomata, mobile unit are used to place liquid crystal board, thickness test cell for transporting liquid crystal board, the first support plate 2 and the second support plate 3
For testing the thickness of liquid crystal board, dielectric constant test cell is used to test the dielectric constant of liquid crystal board.
When testing liquid crystal board, liquid crystal board is placed in mobile unit, mobile unit first transports liquid crystal board
To the first support plate 2, thickness test cell tests the thickness of liquid crystal board, and after thickness is completed to test, mobile unit will
Liquid crystal board is transported on the second support plate 3, and dielectric constant test cell surveys the dielectric constant of the liquid crystal board on the second support plate 3
Examination, after completing test, liquid crystal board is transported to initial position by mobile unit, and staff replaces liquid crystal board and carries out next liquid
The test of brilliant plate.The present apparatus can be realized the accurate positioning to liquid crystal board, test the thickness and dielectric constant of liquid crystal board,
Device noumenon structure is simple, has the characteristics that cost is low.
In one embodiment of the utility model, mobile unit the first bearing plate 4, the second bearing plate 5, transverse slat 6, aerodynamic slide
Rail 7, guide rail 8 and jacking cylinder 9, pneumatic sliding rail 7 and guide rail 8 are arranged in parallel in the two sides of the first support plate 2 and the second support plate 3, horizontal
One end of plate 6 connects on the sliding block of pneumatic sliding rail 7, and the other end and guide rail 8 of transverse slat 6 are slidably connected, the first bearing plate 4 and second
Bearing plate 5 is arranged in parallel in the two sides of the first support plate 2 and the second support plate 3, and the top of the first bearing plate 4 and the second bearing plate 5 is equal
Equipped with the boss location structure for having suction hole, jacking cylinder 9 is mounted on the parallel-plate of 3 lower section of the first support plate 2 and the second support plate
Lower section.
Liquid crystal board can be located on the boss location structure on 5 top of the first bearing plate 4 and the second bearing plate, suction hole energy
Enough enhancing liquid crystal boards are firmly attached on the first bearing plate 4 and the second bearing plate 5, sliding block band 6 edge of motion plate on pneumatic sliding rail 7
Guide rail 8 slides, and then drives the first bearing plate 4 and the second bearing plate 5 mobile simultaneously, realizes the effect of mobile liquid crystal plate.
After liquid crystal board, which is located at the first support plate 2, completes thickness test, suction hole no longer air-breathing on the first support plate 2, jacking
The telescopic rod of cylinder 9 extends, and the first support plate 2 is risen, liquid crystal board is made to be located at the boss of the first bearing plate 4 and the second bearing plate 5
On location structure, liquid crystal board is fixed on the first bearing plate 4 and the second bearing plate 5 by suction hole air-breathing on boss location structure
On, pneumatic sliding rail 7 drives the first bearing plate 4 and the second bearing plate 5 to be moved at the second support plate 3, and the telescopic rod of jacking cylinder 9 is received
It contracts, the suction hole on boss location structure stops suction, and the suction hole on the second support plate 3 carries out air-breathing, is fixed on liquid crystal board
On second support plate 3, the test of dielectric constant is carried out, liquid crystal board is transported to the second load from the first support plate 2 in this manner
On plate 3.
In one embodiment of the utility model, thickness test cell includes that first sliding is arranged above the first support plate 2
Device 10, the second slider 11 and laser range sensor 12, the second slider 11 connect on the sliding block of the first slider 10, laser
Distance measuring sensor 12 is fixed on the sliding block of the second slider 11, the axis and the second slider of 10 length direction of the first slider
The axis of 11 length directions is mutually perpendicular to.
In one embodiment of the utility model, dielectric constant test cell includes: 13 He of first substrate being oppositely arranged
The second substrate 14；First substrate 13 is set in turn in towards the conductive layer and the first alignment film in 14 one side of the second substrate, conduction
Layer is configured to receive first voltage signal；The second substrate 14 is set in turn in towards the resonance structure layer in 13 one side of first substrate
With the second alignment film, resonance structure layer is configured to receive second voltage signal, and is configured to transmission microwave signal；It is set to first
Frame between substrate 13 and the second substrate 14, it is to be measured for accommodating that frame cooperates first substrate 13 and the second substrate 14 to be formed
Liquid crystal cavity.
Resonance structure layer includes composite resonant structure, including spaced main resonance structure and from resonance structure, and master is humorous
The quality factor for structure of shaking are less than the quality factor from resonance structure；It is respectively arranged at first signal wire at main resonance structure both ends
With second signal line, the first signal wire is used for receive microwave signal, and second signal line is for exporting microwave signal；It is connected to first
The first coupled capacitor between signal wire and main resonance structure, and be connected between second signal line and main resonance structure second
Coupled capacitor.
Main resonance structure includes linear metal strap, and one end of linear metal strap is electrically connected with the first coupled capacitor
It connects, the other end is electrically connected with the second coupled capacitor.
First coupled capacitor includes two opposite and spaced first metal electrodes, one of them first metal electrode
It is electrically connected with one end of main resonance structure, another first metal electrode is electrically connected with the first signal wire；Second coupled capacitor packet
Include two opposite and spaced second metal electrodes, the other end electricity of one of them second metal electrode and main resonance structure
Connection, another second metal electrode are electrically connected with second signal line.
The region of first substrate 13 occupied by cavity at least covers the orthographic projection from resonance structure on first substrate 13.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of liquid crystal dielectric constant test device, which is characterized in that including rack and rack-mounted mobile unit,
One support plate, the second support plate, thickness test cell and dielectric constant test cell, the thickness test cell are located at described first and carry
The top of plate, the dielectric constant test cell are located at second support plate, the end of first support plate and described second
The end of support plate contacts, and the two sides of first support plate and second support plate are arranged in the mobile unit, described mobile single
It is equipped with suction hole on first, described first support plate and second support plate, the mobile unit is for transporting liquid crystal board, and described the
One support plate and second support plate are used to place liquid crystal board, and the thickness test cell is used to test the thickness of liquid crystal board, institute
Electric constant test cell is given an account of for testing the dielectric constant of liquid crystal board.
2. liquid crystal dielectric constant test device according to claim 1, which is characterized in that first load-bearing of mobile unit
Plate, the second bearing plate, transverse slat, pneumatic sliding rail, guide rail and jacking cylinder, the pneumatic sliding rail and the guide rail are arranged in parallel in institute
The two sides of the first support plate and second support plate are stated, one end of the transverse slat connects on the sliding block of the pneumatic sliding rail, the cross
The other end of plate and the guide rail are slidably connected, and first bearing plate and second bearing plate are arranged in parallel in described first
It is equipped at the top of the two sides of support plate and second support plate, first bearing plate and second bearing plate with suction hole
Boss location structure, the jacking cylinder is mounted on the lower section of the parallel-plate below first support plate and the second support plate.
3. liquid crystal dielectric constant test device according to claim 1, which is characterized in that the thickness test cell includes
First slider, the second slider and laser range sensor are set above first support plate, and second slider connects
On the sliding block for connecing first slider, the laser range sensor is fixed on the sliding block of second slider, described
The axis of the axis of first slider length direction and the second slider length direction is mutually perpendicular to.
4. liquid crystal dielectric constant test device according to claim 1, which is characterized in that the dielectric constant test cell
Include:
The first substrate and the second substrate being oppositely arranged；
The first substrate is set in turn in towards the conductive layer and the first alignment film in the second substrate one side, the conduction
Layer is configured to receive first voltage signal；
The second substrate is set in turn in towards the resonance structure layer and the second alignment film in the first substrate one side, it is described
Resonance structure layer is configured to receive second voltage signal, and is configured to transmission microwave signal；
The frame being set between the first substrate and the second substrate, the frame cooperate the first substrate and described
The second substrate forms the cavity for accommodating liquid crystal to be measured.
5. liquid crystal dielectric constant test device according to claim 4, which is characterized in that the resonance structure layer includes:
Composite resonant structure, including spaced main resonance structure and from resonance structure, the quality of the main resonance structure because
Number is less than the quality factor from resonance structure；
It is respectively arranged at first signal wire and second signal line at main resonance structure both ends, first signal wire is for connecing
Microwave signal is received, the second signal line is for exporting microwave signal；
The first coupled capacitor being connected between first signal wire and the main resonance structure, and it is connected to second letter
The second coupled capacitor number between line and the main resonance structure.
6. liquid crystal dielectric constant test device according to claim 5, which is characterized in that the main resonance structure includes straight
Metallic threadlike tape, one end of the linear metal strap are electrically connected with first coupled capacitor, the other end and described the
The electrical connection of two coupled capacitors.
7. liquid crystal dielectric constant test device according to claim 5, which is characterized in that first coupled capacitor includes
One end electricity of two opposite and spaced first metal electrodes, one of them first metal electrode and the main resonance structure
Connection, another first metal electrode are electrically connected with first signal wire；Second coupled capacitor include two it is opposite and
Spaced second metal electrode, one of them second metal electrode are electrically connected with the other end of the main resonance structure, separately
One the second metal electrode is electrically connected with the second signal line.
8. liquid crystal dielectric constant test device according to claim 4, which is characterized in that first occupied by the cavity
The region of substrate at least covers the orthographic projection from resonance structure on the first substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049696.3U CN209264833U (en) | 2018-12-07 | 2018-12-07 | Liquid crystal dielectric constant test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049696.3U CN209264833U (en) | 2018-12-07 | 2018-12-07 | Liquid crystal dielectric constant test device |
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| Publication Number | Publication Date |
|---|---|
| CN209264833U true CN209264833U (en) | 2019-08-16 |
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ID=67562277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049696.3U Active CN209264833U (en) | 2018-12-07 | 2018-12-07 | Liquid crystal dielectric constant test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209264833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387706A (en) * | 2018-12-07 | 2019-02-26 | 深圳市微特自动化设备有限公司 | Liquid crystal dielectric constant test device |
-
2018
- 2018-12-07 CN CN201822049696.3U patent/CN209264833U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387706A (en) * | 2018-12-07 | 2019-02-26 | 深圳市微特自动化设备有限公司 | Liquid crystal dielectric constant test device |
| CN109387706B (en) * | 2018-12-07 | 2024-08-30 | 深圳市微特精密科技股份有限公司 | Liquid crystal dielectric constant testing device |
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Address after: 518000 floor 1, No.2, Dongtang Industrial Zone, Chuangxin Road, Shatou community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Weite Precision Technology Co.,Ltd. Country or region after: China Address before: 518000 1st floor, building 21, Zone C, Liantang Industrial City, Shangcun, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN MICROTEST AUTOMATION Co.,Ltd. Country or region before: China |
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