CN207558502U - A kind of high pressure damped resistor - Google Patents
A kind of high pressure damped resistor Download PDFInfo
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- CN207558502U CN207558502U CN201721266833.8U CN201721266833U CN207558502U CN 207558502 U CN207558502 U CN 207558502U CN 201721266833 U CN201721266833 U CN 201721266833U CN 207558502 U CN207558502 U CN 207558502U
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- heat conduction
- high pressure
- covering body
- heat
- conduction covering
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Abstract
The utility model is related to resistor technologies fields, more particularly to a kind of high pressure damped resistor, its structure includes resistance band, resistance band is coated by heat conduction covering body, the both ends of resistance band are stretched out outside heat conduction covering body, heat-dissipating pipe is also interspersed in heat conduction covering body, the nozzle of the heat-dissipating pipe leads to outside heat conduction covering body, which has the advantages that good airproof performance, thermal diffusivity are good and small.
Description
Technical field
The utility model is related to resistor technologies fields, and in particular to a kind of high pressure damped resistor.
Background technology
It in high-voltage electric power system, needs to set damping resistance between gap or by-pass switch, which is used for
The electric current of capacitor, is putting to prevent equipment such as capacitor, spark gap or by-pass switches in limitation and damping high-voltage electric system
It is damaged in electric process.Since damped resistor is applied in high-voltage electric power system, can hide larger electric heating in resistance, and existing
Technology is to ensure the heat dissipation performance of damped resistor, and the resistance band or resistance wire of damped resistor are exposed in the environment.On however,
Stating the exposed set-up mode of resistance wire can make the barrier propterty of resistance wire or resistance band poor, so that the filth of accumulation leads to resistor
The problem of easy electric arc, influences the service life of damped resistor.Also, heat radiation caused by exposed resistance wire can long-term shadow
The part on its side is rung, is unfavorable for keeping the stability of high-voltage electric power system；In addition, damped resistor needs to have certain volume
It can guarantee guarantor's heat dissipation effect of resistor itself.
Invention content
For the prior art there are above-mentioned technical problem, the utility model provides that a kind of good airproof performance, thermal diffusivity be good and body
The small high pressure damped resistor of product.
To achieve the above object, the utility model provides following technical scheme：
A kind of high pressure damped resistor is provided, including resistance band, the resistance band is coated by heat conduction covering body, the resistance
The both ends of band are stretched out outside the heat conduction covering body, are interspersed with heat-dissipating pipe in the heat conduction covering body, the nozzle of the heat-dissipating pipe
Lead to outside the heat conduction covering body.
Wherein, the heat conduction covering body is epoxy resin poured body.
Wherein, the bottom of the heat conduction covering body is equipped with support bracket.
Wherein, the support bracket includes bottom plate, the insulator for being used to support the bottom plate below the bottom plate, institute
Epoxy resin poured body is stated to be fixed on the bottom plate.
Wherein, the bottom plate includes tablet, and the opposite side edge of the tablet is equipped with to be poured for limiting the epoxy resin
The space limiting side plate of injection body position.
Wherein, the resistance band in the heat conduction covering body is in bending.
Wherein, the heat-dissipating pipe is equipped with eight, and eight heat-dissipating pipes are uniformly distributed in the periphery of the resistance band.
Wherein, the heat conduction covering body is set as cuboid, and the both ends of the resistance band are from the opposite face of the cuboid
Place is stretched out.
The beneficial effects of the utility model：
A kind of high pressure damped resistor of the utility model is wrapped by heat conduction covering body on the resistance band so that resistance
It with preferable leakproofness, overcomes in the prior art, resistance band exposed easy accumulation filth the problem of causing electric arc, conducive to raising
The service life of damping resistance, and heat conduction cladding physical efficiency effectively obstructs resistance band heat radiation and is directly radiated in peripheral component, carries
The high stability of electric system where it；And although heat conduction covering body directly cannot externally radiate in the middle part of resistance band, palpus
It radiates through heat conduction covering body, but due to leading to the heat-dissipating pipe in environment built in heat conduction covering body, it can be effectively by heat conduction covering body
Interior thermal energy is transmitted in environment, ensure that the heat dissipation performance of damping resistance；In addition, due to heat conduction covering body and the tool of heat-dissipating pipe
There is preferable heat transfer function, even if there is resistor smaller size smaller also can guarantee heat dissipation effect, consequently facilitating reducing damping
The volume of resistance entirety improves damped resistor transport and the convenience used.
Description of the drawings
Fig. 1 is a kind of schematic diagram of high pressure damped resistor of the utility model；
Fig. 2 is a kind of schematic side view of high pressure damped resistor of the utility model；
Fig. 3 is a kind of high pressure damped resistor of the utility model in schematic elevation view and partial schematic diagram.
Reference numeral：
Resistance band --- 1；Epoxy resin poured body --- 2；Heat-dissipating pipe --- 3；Bottom plate --- 4, tablet --- 41, limiting
Side plate --- 42；Insulator --- 5.
Specific embodiment
The utility model is described in detail below in conjunction with specific embodiment and attached drawing.
Embodiment 1.
A kind of high pressure damped resistor as depicted in figs. 1 and 2, has one to be covered by epoxy resin poured body 2
Resistance band 1, the both ends of resistance band 1 are stretched out outside the epoxy resin poured body 2, to be electrically connected with outer circuit, certainly, the epoxy
Resin-cast body can also be other heat conduction covering bodies.As shown in Figure 3, it is preferable that resistance band 1 is made of nichrome
Resistance band and meandering manner bending is used as bending, such benefit is：Nichrome is small with resistivity height and temperature drift
Advantage, and bending can be effectively increased resistance band weight and intensity, which can also be the flexure plane of other structures,
E.g. one for shape face, that is, as long as curved surface.Heat-dissipating pipe 3 is equipped in epoxy resin poured body 2, heat-dissipating pipe 3 is equably
It is centered around around resistance band 1, and the nozzle of heat-dissipating pipe 3 is connected with external environment, in application, the heat of resistance band 1 is on the one hand
It is transmitted in environment along epoxy resin poured body 2, is further discharged from heat-dissipating pipe, this ensure that the sealing performance of resistor
While also ensure the heat dissipation effect of resistor, and epoxy resin poured body can reduce the heat radiation of resistance band.Further,
Epoxy resin poured body 2 is set as cuboid, and the both ends of resistance band 1 are stretched out from the cuboid corresponding surface, and heat-dissipating pipe 3 is equipped with
Eight, eight heat-dissipating pipes 3 are uniformly distributed in the periphery of 3 resistance bands 1, and so as to enhance heat dissipation effect, which is all cloud
Main pipe, so as to avoid that short-circuit connection occurs with resistance band 1.
In addition, the bottom of epoxy resin poured body 1 is equipped with support bracket, which has bottom plate 4 and set on 4 lower section of bottom plate
Two insulators 5 of the bottom plate 5 are used to support, bottom plate 4 includes tablet 41, and epoxy resin poured body 1 is fixed on tablet 41,
The opposite side edge of tablet 41 is equipped with the space limiting side plate 42 for limiting 1 position of epoxy resin poured body.
Finally it should be noted that above example is only to illustrate the technical solution of the utility model rather than to this reality
With the limitation of novel protected range, although being explained in detail with reference to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the utility model, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of high pressure damped resistor, it is characterized in that：Including resistance band, the resistance band is coated by heat conduction covering body, described
The both ends of resistance band are stretched out outside the heat conduction covering body, and heat-dissipating pipe is interspersed in the heat conduction covering body, the heat-dissipating pipe
Nozzle leads to outside the heat conduction covering body.
2. a kind of high pressure damped resistor according to claim 1, it is characterized in that：The heat conduction covering body is epoxy resin
Pour mass.
3. a kind of high pressure damped resistor according to claim 2, it is characterized in that：The bottom of the heat conduction covering body is equipped with
Support bracket.
4. a kind of high pressure damped resistor according to claim 3, it is characterized in that：The support bracket includes bottom plate, is set on
The insulator for being used to support the bottom plate below the bottom plate, the epoxy resin poured body are fixed on the bottom plate.
5. a kind of high pressure damped resistor according to claim 4, it is characterized in that：The bottom plate includes tablet, described flat
The opposite side edge of plate is equipped with the space limiting side plate for limiting the epoxy resin poured body position.
6. a kind of high pressure damped resistor according to claim 1, it is characterized in that：Electricity in the heat conduction covering body
Stopband is in bending.
7. a kind of high pressure damped resistor according to claim 6, it is characterized in that：The heat-dissipating pipe is equipped with eight, eight
Heat-dissipating pipe is uniformly distributed in the periphery of the resistance band.
8. a kind of high pressure damped resistor according to claim 1, it is characterized in that：The heat conduction covering body is set as rectangular
Body, the both ends of the resistance band are stretched out at the opposite face of the cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266833.8U CN207558502U (en) | 2017-09-28 | 2017-09-28 | A kind of high pressure damped resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721266833.8U CN207558502U (en) | 2017-09-28 | 2017-09-28 | A kind of high pressure damped resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558502U true CN207558502U (en) | 2018-06-29 |
Family
ID=62676864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721266833.8U Active CN207558502U (en) | 2017-09-28 | 2017-09-28 | A kind of high pressure damped resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863211A (en) * | 2017-09-28 | 2018-03-30 | 广东福德电子有限公司 | A kind of high pressure damped resistor and its manufacturing process |
-
2017
- 2017-09-28 CN CN201721266833.8U patent/CN207558502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107863211A (en) * | 2017-09-28 | 2018-03-30 | 广东福德电子有限公司 | A kind of high pressure damped resistor and its manufacturing process |
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