CN207425499U - A kind of high-energy voltage dependent resistor - Google Patents
A kind of high-energy voltage dependent resistor Download PDFInfo
- Publication number
- CN207425499U CN207425499U CN201721608183.0U CN201721608183U CN207425499U CN 207425499 U CN207425499 U CN 207425499U CN 201721608183 U CN201721608183 U CN 201721608183U CN 207425499 U CN207425499 U CN 207425499U
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- China
- Prior art keywords
- resistive conductor
- shell
- ceramic skeleton
- quadrate framework
- cylindrical
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Abstract
A kind of high-energy voltage dependent resistor, including shell, the ceramic skeleton and resistive conductor of installation inside the shell, the ceramic skeleton includes being arranged to two cylindrical frameworks and a quadrate framework, described two cylindrical frameworks are separately positioned on the left and right sides of quadrate framework, two cylindrical frameworks are simultaneously connected with quadrate framework, and two cylindrical frameworks and quadrate framework are arranged in same level；The resistive conductor is wrapped in outside ceramic skeleton, and resistive conductor is close to ceramic skeleton outer surface；The resistive conductor both ends are extended to out of shell outside shell；Heat dissipating layer is both provided between described two cylindrical frameworks and quadrate framework, substantial amounts of heat emission hole is provided on the heat dissipating layer；There are certain gap between the ceramic skeleton and shell, packing material is provided in gap.The round and smooth degree at resistive conductor edge can be improved, the resistive conductor uniformity is provided, while increases the diameter of resistive conductor, so as to improve the energy absorption capability of resistor.
Description
Technical field
The utility model is related to resistor fields, and in particular to a kind of high-energy voltage dependent resistor.
Background technology
" varistor " is a kind of resistance device with nonlinear wind vibration, is mainly used for when circuit bears overvoltage
Voltage clamping is carried out, absorbs extra electric current to protect Sensitive Apparatus.But the operating voltage of resistor has centainly after all
To greatest extent, when voltage fluctuation is more than the operating voltage range of resistor, resistor can be then burned, and resistor does not rise then
Protect the effect of circuit.And operate and could realize, it is necessary to carry out complicated ground connection in order to which resistor is enable to absorb high voltage, it improves
The complexity of circuit.High-energy voltage dependent resistor absorption energy is directly proportional to its volume, to meet certain requirement for absorbing energy, high
Energy varistor just must have bigger diameter, and the key for manufacturing major diameter piezoresistive wafer is to improve varistor pressure
The uniformity of quick voltage's distribiuting, and in the prior art, since voltage-dependent resistor is limited, resistance diameter is smaller, and uniformity compared with
Difference influences the high energy absorption of resistor.Simultaneously when absorbing high voltage, resistor can generate substantial amounts of heat, if heat is excessively high,
The normal work of resistor can be seriously affected.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is intended to provide a kind of high-energy voltage dependent resistor, can improve electricity
The round and smooth degree at line edge is hindered, the resistive conductor uniformity is provided, while increases the diameter of resistive conductor, so as to improve the energy of resistor
Absorbability.
To achieve the above object, the utility model adopts the following technical solution：
A kind of high-energy voltage dependent resistor, including shell, the ceramic skeleton and resistive conductor of installation inside the shell, the ceramic skeleton
Including being arranged to two cylindrical frameworks and a quadrate framework, described two cylindrical frameworks are separately positioned on quadrate framework
The left and right sides, two cylindrical frameworks are simultaneously connected with quadrate framework, and two cylindrical frameworks and quadrate framework are arranged at together
On one horizontal plane；The resistive conductor is wrapped in outside ceramic skeleton, and resistive conductor is close to ceramic skeleton outer surface；The resistive conductor both ends
It is extended to out of shell outside shell；Heat dissipating layer, the heat dissipation are both provided between described two cylindrical frameworks and quadrate framework
Substantial amounts of heat emission hole is provided on layer；There are certain gap between the ceramic skeleton and shell, filling is provided in gap
Material.
Further, the diameter of described two cylindrical frameworks and quadrate framework are of same size.
Further, the heat dissipating layer is arranged to the heat dissipating layer of TPU materials.
Further, the heat sink hole diameter is 0.05-2mm.
The beneficial effects of the utility model are：
The outer surface arc of two cylindrical frameworks is smooth, can improve the round and smooth journey at the resistive conductor edge being wrapped on skeleton
Degree, and the winding area of resistive conductor is improved, increase the volume of varistor, improve it and absorb the ability of energy；Simultaneously in ceramics
Heat dissipating layer is additionally provided on skeleton, substantial amounts of heat emission hole is additionally provided on heat dissipating layer, increases the heat sinking function of resistance.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the top view of the utility model.
Reference numeral：1st, cylindrical framework；2nd, quadrate framework；3rd, resistive conductor；4th, heat dissipating layer；5th, packing material.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further：
As depicted in figs. 1 and 2, a kind of high-energy voltage dependent resistor, including shell, the ceramic skeleton and resistance of installation inside the shell
Line 3, the ceramic skeleton include being arranged to two cylindrical frameworks 1 and a quadrate framework 2, described two cylindrical frameworks 1
The left and right sides of quadrate framework 2 is separately positioned on, two cylindrical frameworks 1 are simultaneously connected with quadrate framework 2, two cylindrical bones
Frame 1 and quadrate framework 2 are arranged in same level；The resistive conductor 3 is wrapped in outside ceramic skeleton, and resistive conductor 3 is close to make pottery
Porcelain body frame outer surface；The diameter of described two cylindrical frameworks 1 and being of same size for quadrate framework 2 can enhance and be wrapped in ceramics
The uniformity of resistive conductor 3 outside skeleton；And since the round and smooth degree in the outer surface of cylindrical framework 1 is high, it is close to cylindrical framework 1
On resistive conductor 3 also have higher round and smooth degree, so as to improve the uniformity of varistor.Resistive conductor 3 is wrapped in pottery simultaneously
Outside porcelain body frame, and ceramic skeleton is made of two cylindrical frameworks 1 and a quadrate framework 2, can be increased and is wrapped in ceramic skeleton
Outer 3 volume of resistive conductor improves the energy absorption capability of varistor.
3 both ends of resistive conductor are extended to out of shell outside shell, and resistive conductor 3 is extended to out of shell outside shell, and is led to
The resistive conductor 3 crossed outside shell is connected in circuit, plays the effect for absorbing high energy energy.Described two cylindrical frameworks 1 and side
Heat dissipating layer 4 is both provided between shape skeleton 2, the heat dissipating layer 4 is arranged to the heat dissipating layer 4 of TPU materials.Wherein TPU is thermoplasticity
Elastic polyurethane body rubber, the TPU rubber layers have certain heat conductivility, in addition the ventilatory of heat emission hole, has very
Good heat dissipation effect.It is provided with substantial amounts of heat emission hole on the heat dissipating layer 4, the heat sink hole diameter is 0.05-2mm, pressure-sensitive electricity
Heat production when resistance absorbs energy can be discharged by the heat dissipating layer 4 with heat emission hole, keep the normal working temperature of varistor.Institute
It states between ceramic skeleton and shell there are certain gap, is provided with packing material 5 in gap, the packing material 5 is arranged to
Isolation material ensures the normal work of varistor.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (4)
1. a kind of high-energy voltage dependent resistor, which is characterized in that including shell, the ceramic skeleton and resistive conductor of installation inside the shell, institute
Stating ceramic skeleton includes being arranged to two cylindrical frameworks and a quadrate framework, and described two cylindrical frameworks are separately positioned on
The left and right sides of quadrate framework, two cylindrical frameworks are simultaneously connected with quadrate framework, two cylindrical frameworks and quadrate framework
It is arranged in same level；The resistive conductor is wrapped in outside ceramic skeleton, and resistive conductor is close to ceramic skeleton outer surface；It is described
Resistive conductor both ends are extended to out of shell outside shell；Heat dissipation is both provided between described two cylindrical frameworks and quadrate framework
Layer, it is provided with substantial amounts of heat emission hole on the heat dissipating layer；There are certain gap between the ceramic skeleton and shell, in gap
It is provided with packing material.
2. high-energy voltage dependent resistor according to claim 1, which is characterized in that the diameter of described two cylindrical frameworks and side
Shape skeleton is of same size.
3. high-energy voltage dependent resistor according to claim 1, which is characterized in that the heat dissipating layer is arranged to dissipating for TPU materials
Thermosphere.
4. high-energy voltage dependent resistor according to claim 1, which is characterized in that the heat sink hole diameter is 0.05-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721608183.0U CN207425499U (en) | 2017-11-27 | 2017-11-27 | A kind of high-energy voltage dependent resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721608183.0U CN207425499U (en) | 2017-11-27 | 2017-11-27 | A kind of high-energy voltage dependent resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207425499U true CN207425499U (en) | 2018-05-29 |
Family
ID=62303126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721608183.0U Expired - Fee Related CN207425499U (en) | 2017-11-27 | 2017-11-27 | A kind of high-energy voltage dependent resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207425499U (en) |
-
2017
- 2017-11-27 CN CN201721608183.0U patent/CN207425499U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20191127 |