CN208297560U - Voltage dependent resistor chip amount test device - Google Patents
Voltage dependent resistor chip amount test device Download PDFInfo
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- CN208297560U CN208297560U CN201820826255.7U CN201820826255U CN208297560U CN 208297560 U CN208297560 U CN 208297560U CN 201820826255 U CN201820826255 U CN 201820826255U CN 208297560 U CN208297560 U CN 208297560U
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- layer vacuum
- vacuum glass
- cup lid
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Abstract
The utility model discloses voltage dependent resistor chip amount test devices, including double-layer vacuum glass cup and cup lid, the top of the double-layer vacuum glass cup is equipped with cup lid, cup lid is threadedly coupled with the rim of a cup of double-layer vacuum glass cup, the interior bottom portion of double-layer vacuum glass cup is equipped with pedestal, the top center of pedestal is equipped with lower prop, and the top of lower prop is equipped with product slot, and the bottom centre of product slot is equipped with lower electrode；The bottom centre of cup lid is equipped with upper prop, the bottom end of upper prop and the tip contact of lower prop, the bottom centre of lower prop are embedded with top electrode, and the top of cup lid is equipped with the first binding post and the second binding post, first binding post connects lower electrode by lead, and the second binding post connects top electrode by lead；Cup lid is equipped with air exhaust nozzle and air inflation nozzle；The voltage dependent resistor chip amount test device provides sealed insulation by double-layer vacuum glass cup and tests environment, can substantially reduce risk caused by Hi-pot test, and safety coefficient is high, is worth promoting.
Description
Technical field
The utility model relates to voltage dependent resistor chip processing technique field, especially a kind of voltage dependent resistor chip measures trial assembly
It sets.
Background technique
" varistor " is a kind of resistance device with nonlinear wind vibration, is mainly used for when circuit bears over-voltage
Voltage clamping is carried out, absorbs extra electric current to protect Sensitive Apparatus.English name is " Voltage Dependent
Resistor " is abbreviated as " VDR ", or is called " Varistor ".The resistor material of piezoresistor is semiconductor, so it
It is a kind of semiconductor resistor." zinc oxide " (ZnO) piezoresistor largely used now, its material of main part have
Diad zinc (Zn) and hexad oxygen (O) are constituted.So zinc oxide varistor is one from the perspective of material
Kind " II-VI race's oxide semiconductor ".In TaiWan, China, piezoresistor is known as " surge absorber ", otherwise referred to as " electricity punching
Hit (surge) suppressor (absorber) ".
Varistor is a kind of votage limit type protection device.Using the nonlinear characteristic of varistor, when overvoltage appears in
Two interpolars of varistor, varistor can be by voltage clampings to a relatively-stationary voltage value, to realize to rear class
The protection of circuit.Varistor needs to inspect by random samples after processing is completed, and carrying out test according to nominal voltage during sampling observation is one
Important content, due to needing to be powered, voltage is higher, and manual testing's risk under open environment is higher in the prior art.
Utility model content
The utility model is intended to provide a kind of voltage dependent resistor chip amount test device that safety coefficient is high.
To achieve the above object, the utility model provides the following technical solutions: voltage dependent resistor chip amount test device, including
Double-layer vacuum glass cup and cup lid, the top of the double-layer vacuum glass cup are equipped with cup lid, cup lid and double-layer vacuum glass cup
Rim of a cup is threadedly coupled, and the interior bottom portion of double-layer vacuum glass cup is equipped with pedestal, and the top center of pedestal is equipped with lower prop, the top of lower prop
Portion is equipped with product slot, and the bottom centre of product slot is equipped with lower electrode；The bottom centre of cup lid is equipped with upper prop, and the bottom end of upper prop is under
The tip contact of column, the bottom centre of lower prop are embedded with top electrode, and the top of cup lid is equipped with the first binding post and the second binding post, the
One binding post connects lower electrode by lead, and the second binding post connects top electrode by lead；Cup lid is equipped with air exhaust nozzle and fills
Gas nozzle, cup lid are equipped with the bleed-off passage and filling channel for being respectively communicated with air exhaust nozzle and air inflation nozzle, bleed-off passage and filling channel
Run through cup lid, air exhaust nozzle connects air exhauster by pipeline, and air inflation nozzle connects inertial gas tank by pipeline.
Further scheme as the utility model: the wall of cup of the double-layer vacuum glass cup is double-layer structure, in wall of cup
Portion's vacuum.
Further scheme as the utility model: the periphery of the rim of a cup of the double-layer vacuum glass cup is equipped with external screw thread.
Further scheme as the utility model: the top of the rim of a cup of the double-layer vacuum glass cup is equipped with sealing ring.
Further scheme as the utility model: the pipeline that the air exhaust nozzle and air inflation nozzle are connected is equipped with valve.
Compared with prior art, the utility model has the beneficial effects that the voltage dependent resistor chip amount test device pass through it is double
Layer vacuum glass cup provides sealed insulation and tests environment, can substantially reduce risk caused by Hi-pot test, safety coefficient
Height is worth promoting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model；
Fig. 3 is enlarged drawing at the A of Fig. 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, in the utility model embodiment, voltage dependent resistor chip amount test device, including double-layer vacuum glass
The top of glass cup 1 and cup lid 2, the double-layer vacuum glass cup 1 is equipped with cup lid 2, the rim of a cup of cup lid 2 and double-layer vacuum glass cup 1
It is threadedly coupled, the interior bottom portion of double-layer vacuum glass cup 1 is equipped with pedestal 3, and the top center of pedestal 3 is equipped with lower prop 4, lower prop 4
Top is equipped with product slot 5, and the bottom centre of product slot 5 is equipped with lower electrode 6；The bottom centre of cup lid 2 is equipped with upper prop 7, upper prop 7
The tip contact of bottom end and lower prop 4, the bottom centre of lower prop 4 are embedded with top electrode 8, and the top of cup lid 2 is equipped with 9 He of the first binding post
Second binding post 10, the first binding post 9 connect lower electrode 6 by lead, and the second binding post 10 connects top electrode 8 by lead；
Cup lid 2 is equipped with air exhaust nozzle 11 and air inflation nozzle 12, and cup lid 2, which is equipped with, is respectively communicated with air exhaust nozzle 11 and air inflation nozzle 12
Bleed-off passage and filling channel, bleed-off passage and filling channel run through cup lid 2, and air exhaust nozzle 11 connects air exhauster by pipeline,
Air inflation nozzle 12 connects inertial gas tank by pipeline.
Further, the wall of cup of double-layer vacuum glass cup 1 be double-layer structure, cup wall interior vacuum, specific processing method and
Material etc. is the prior art.
Further, the lead of the first binding post 9 and lower electrode 6 enters in double-layer vacuum glass cup 1 via cup lid 2, then
It enters back into pedestal 3, then enters lower prop 4 out of pedestal 3, be connected to lower electrode 6, the settable string holes in path that lead passes through
(filling with sealant is needed after threading), can also each mechanism form when it is pre-buried wherein.
Further, the second binding post 10 and the lead of top electrode 8 are connected to lower electrode 6, lead via cup lid 2 and upper prop 7
By the settable string holes in path (filling with sealant is needed after threading), can also each mechanism form when it is pre-buried wherein.
Further, the periphery of the rim of a cup of double-layer vacuum glass cup 1 is equipped with external screw thread.
Further, the top of the rim of a cup of double-layer vacuum glass cup 1 is equipped with sealing ring.
Further, the pipeline that air exhaust nozzle 11 and air inflation nozzle 12 are connected is equipped with valve.
The design feature and its working principle of the utility model: the utility model designs double-layer vacuum glass cup 1 to pressure-sensitive
The measurement of resistance chip provides the environment of a relative closure, and double-layer vacuum glass cup 1 has very high insulating properties, cup lid
2 with double-layer vacuum glass cup 1 by the detachable connections of screw thread, voltage dependent resistor chip is placed on lower prop 4 first and pushed up by when use
In the product slot 5 in portion, cup lid 2 is then covered again, is screwed rear voltage dependent resistor chip and is contacted with top electrode 8 and lower electrode 6, is then turned on
Air exhauster, to vacuumizing inside double-layer vacuum glass cup 1, is then filled with inertia by air inflation nozzle 12 again by air exhaust nozzle 11
Gas, is passed through by the first binding post 9 and the second binding post 10 that electric current can (the first binding post 9 and second connects when starting test
Line connects power supply and voltage measurement mechanism, energization and measuring principle phase with the measuring device of existing voltage dependent resistor chip
Together, it is not repeated secondary)；
The utility model provides sealed insulation by double-layer vacuum glass cup 1 and tests environment, can substantially reduce high pressure survey
Risk caused by trying, safety coefficient are high.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. voltage dependent resistor chip amount test device, including double-layer vacuum glass cup and cup lid, which is characterized in that the double-layer vacuum
The top of glass is equipped with cup lid, and cup lid is threadedly coupled with the rim of a cup of double-layer vacuum glass cup, the inside of double-layer vacuum glass cup
Bottom is equipped with pedestal, and the top center of pedestal is equipped with lower prop, and the top of lower prop is equipped with product slot, and the bottom centre of product slot is equipped with
Lower electrode；The bottom centre of cup lid is equipped with upper prop, the bottom end of upper prop and the tip contact of lower prop, and the bottom centre of lower prop is embedded with upper
Electrode, the top of cup lid are equipped with the first binding post and the second binding post, and the first binding post connects lower electrode by lead, and second connects
Terminal connects top electrode by lead；Cup lid is equipped with air exhaust nozzle and air inflation nozzle, and cup lid, which is equipped with, to be respectively communicated with air exhaust nozzle and fill
The bleed-off passage and filling channel of gas nozzle, bleed-off passage and filling channel run through cup lid, and air exhaust nozzle is connected by pipeline and is evacuated
Machine, air inflation nozzle connect inertial gas tank by pipeline.
2. voltage dependent resistor chip amount test device according to claim 1, which is characterized in that the double-layer vacuum glass cup
Wall of cup be double-layer structure, cup wall interior vacuum.
3. voltage dependent resistor chip amount test device according to claim 1, which is characterized in that the double-layer vacuum glass cup
Rim of a cup periphery be equipped with external screw thread.
4. voltage dependent resistor chip amount test device according to claim 1, which is characterized in that the double-layer vacuum glass cup
Rim of a cup top be equipped with sealing ring.
5. voltage dependent resistor chip amount test device according to claim 1, which is characterized in that the air exhaust nozzle and air inflation nozzle
The pipeline connected is equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826255.7U CN208297560U (en) | 2018-05-29 | 2018-05-29 | Voltage dependent resistor chip amount test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826255.7U CN208297560U (en) | 2018-05-29 | 2018-05-29 | Voltage dependent resistor chip amount test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297560U true CN208297560U (en) | 2018-12-28 |
Family
ID=64723301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820826255.7U Active CN208297560U (en) | 2018-05-29 | 2018-05-29 | Voltage dependent resistor chip amount test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297560U (en) |
-
2018
- 2018-05-29 CN CN201820826255.7U patent/CN208297560U/en active Active
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