CN207852401U - A kind of coiling noninductive resistance contributing to heat dissipation - Google Patents
A kind of coiling noninductive resistance contributing to heat dissipation Download PDFInfo
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- CN207852401U CN207852401U CN201820362000.XU CN201820362000U CN207852401U CN 207852401 U CN207852401 U CN 207852401U CN 201820362000 U CN201820362000 U CN 201820362000U CN 207852401 U CN207852401 U CN 207852401U
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- tube body
- silk
- resistance
- insulation tube
- coiling
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Abstract
The utility model discloses a kind of coiling noninductive resistances contributing to heat dissipation, including the tube body that insulate, it is wound with first resistor silk and second resistance silk on insulation tube body, first resistor silk is opposite with the direction of winding of second resistance silk, the terminals electrical connection adjacent with second resistance silk of first resistor silk, the both ends of insulation tube body are respectively equipped with conductive end cap, insulate tube body both ends conductive end cap respectively with adjacent first resistor silk, second resistance silk is electrically connected, the outer circle upper edge insulation tube body of insulation tube body is evenly distributed in multiple radiating grooves, affiliated radiating groove is parallel with the insulation axial direction of tube body.The wire resistor is further opened with multiple heat emission holes between adjacent radiating groove, since heat emission hole and radiating groove jointly promote the permeability of insulation tube body, for heat caused by the resistance wire that is wrapped on insulation tube body pass through radiating groove and heat emission hole can Quick diffusing it is external to insulation tube, so as to avoid heat concentrate on insulating tube body the problem of.
Description
Technical field
The utility model is related to wire resistor technical fields, and in particular to a kind of coiling noninductive resistance contributing to heat dissipation.
Background technology
Wire resistor is usually that resistance wire transport screw is wound on porcelain tube to be formed by resistance.And in practical application, electricity
Resistance silk forward direction coiling will produce electromagnetic field in the same direction, the inductance coefficent of resistance can be caused to become larger, and inductance coefficent is excessive then can be serious
Influence the stability and service life of resistance.Based on this, there is noninductive wire wound resistor in the prior art, that is, resistance wire elder generation
Transport screw coiling, then reverse acting spiral coiling, so that resistance wire intersects coiling, to the electromagnetic field for making resistance wire generate
It can cancel out each other to reduce the inductance coefficent of resistance.However, by the above-mentioned introduction to noninductive resistor it is found that noninductive coiling is electric
It is that reverse acting spiral resistance wire is superimposed upon on transport screw resistance wire to hinder silk, and the resistance wire of superposition not only will produce more heats,
And it is not easy except heat transfer to resistor.
Utility model content
To be solved in the utility model is the deficiencies in the prior art, and it is an object of the present invention to provide a kind of coiling contributing to heat dissipation
Noninductive resistance.
The utility model is achieved through the following technical solutions：
A kind of coiling noninductive resistance contributing to heat dissipation, including the tube body that insulate, are wound with the first electricity on the insulation tube body
Hinder silk and second resistance silk, the direction of winding of the first resistor silk and the second resistance silk is on the contrary, first resistor silk and the
The adjacent terminals electrical connection of two resistance wires, the both ends of the insulation tube body are respectively equipped with conductive end cap, the insulation tube body two
The conductive end cap at end is electrically connected with adjacent first resistor silk, second resistance silk respectively, and the insulation tube body is that epoxy resin is exhausted
Edge material, the outer circle upper edge insulation tube body of the insulation tube body are evenly distributed in multiple radiating grooves, affiliated radiating groove and insulation
The axial direction of tube body is parallel.
Preferred embodiment offers multiple heat dissipations on the lug boss on the insulation tube body between adjacent two radiating grooves
Hole.
It is coated with insulating layer on the surface of preferred embodiment, the first resistor silk and second resistance silk.
Preferred embodiment, the conduction end cap is red copper material.
Preferred embodiment, the conducting end, which covers, is connected with conducting wire.
The section of preferred embodiment, the radiating groove is " V " shape.
Preferred embodiment, the heat emission hole are circle.
The utility model compared with prior art, has the following advantages and advantages：The utility model provides a kind of
Contribute to heat dissipation coiling noninductive resistance, insulation tube body outer circle on offer multiple radiating grooves, adjacent radiating groove it
Between be further opened with multiple heat emission holes, since heat emission hole and radiating groove jointly promote the permeability of insulation tube body, for winding
Heat caused by resistance wire on insulation tube body pass through radiating groove and heat emission hole can Quick diffusing it is external to insulation tube, from
And the problem of heat concentrates on insulation tube body is avoided, the insulating layer of resistance wire is destroyed, or even since resistance wire is overheated to resistance
Silk damages, and the radiator structure of this insulation tube body significantly improves the heat dissipation effect of resistance.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the insulation tube body of the utility model.
Label and corresponding parts title in attached drawing：
1- insulation tube bodies, 2- first resistor silks, 3- second resistance silks, 4- conduction end caps, 11- radiating grooves, 12- heat emission holes.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As depicted in figs. 1 and 2, a kind of coiling noninductive resistance contributing to heat dissipation of the utility model, including insulation tube body 1,
It is wound with first resistor silk 2 and second resistance silk 3, the coiling side of first resistor silk 2 and the second resistance silk 3 on insulation tube body
To on the contrary, the terminals adjacent with second resistance silk 3 of first resistor silk 2 are electrically connected.The both ends of insulation tube body 1 are respectively equipped with conduction
The conductive end cap 4 of end cap 4,1 both ends of insulation tube body is electrically connected with adjacent first resistor silk 2, second resistance silk 3 respectively, is insulated
Tube body 1 is epoxy resin insulation material, and the outer circle upper edge insulation tube body 1 of insulation tube body 1 is evenly distributed in multiple radiating grooves 11,
Affiliated radiating groove 11 is parallel with the insulation axial direction of tube body 1.Protrusion on insulation tube body 1 between two adjacent radiating grooves 11
Multiple heat emission holes 12 are offered in portion.The section of radiating groove 11 is preferably but not limited to as " V " shape, and heat emission hole 12 is preferred but unlimited
In for circle.This coiling noninductive resistance offers multiple radiating grooves 11 in the outer circle of insulation tube body 1, in adjacent radiating groove 11
Between be further opened with multiple heat emission holes 12, since heat emission hole 12 and radiating groove 11 jointly promote the permeability of insulation tube body 1,
Radiating groove 11 and heat dissipation are passed through for being wrapped in heat caused by the first resistor silk 2 and the second resistance silk 3 that insulate on tube body 1
Hole 12 can Quick diffusing to insulation tube body 1 outside, so as to avoid heat concentrate on insulation tube body 1 damage coiling without electrification
The problem of resistance.
It is coated with insulating layer on the surface of preferred embodiment scheme, the first resistor silk 2 and second resistance silk 3,
Insulating layer is coated on the surface of one resistance wire 2 and second resistance silk 3, adjacent resistance wire can be electrically separated, is reduced
The distance between adjacent resistance wire.
Preferred embodiment scheme, the conduction end cap 4 is red copper material, and the conductive end cap of red copper material conducts electricity very well,
Corrosion-resistant, thermal conductivity is good, improves the service life of wire resistor.
Preferred embodiment scheme is connected with conducting wire on the conduction end cap 4, and conducting wire facilitates wire resistor and other components
Connection.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of coiling noninductive resistance contributing to heat dissipation, which is characterized in that including the tube body that insulate, wound on the insulation tube body
There are a first resistor silk and second resistance silk, the direction of winding of the first resistor silk and the second resistance silk is on the contrary, the first electricity
The silk terminals electrical connection adjacent with second resistance silk is hindered, the both ends of the insulation tube body are respectively equipped with conductive end cap, described exhausted
The conductive end cap at edge tube body both ends is electrically connected with adjacent first resistor silk, second resistance silk respectively, and the insulation tube body is ring
Oxygen resin-insulated material, the outer circle upper edge insulation tube body of the insulation tube body are evenly distributed in multiple radiating grooves, affiliated heat dissipation
Slot is parallel with the insulation axial direction of tube body.
2. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 1, which is characterized in that the insulation tube body
Multiple heat emission holes are offered on lug boss between upper two adjacent radiating grooves.
3. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 1, which is characterized in that the first resistor
It is coated with insulating layer on the surface of silk and second resistance silk.
4. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 1, which is characterized in that the conduction end cap
For red copper material.
5. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 1, which is characterized in that the conduction end cap
On be connected with conducting wire.
6. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 1, which is characterized in that the radiating groove
Section is " V " shape.
7. a kind of coiling noninductive resistance contributing to heat dissipation according to claim 2, which is characterized in that the heat emission hole is
It is round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362000.XU CN207852401U (en) | 2018-03-16 | 2018-03-16 | A kind of coiling noninductive resistance contributing to heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362000.XU CN207852401U (en) | 2018-03-16 | 2018-03-16 | A kind of coiling noninductive resistance contributing to heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852401U true CN207852401U (en) | 2018-09-11 |
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ID=63424634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820362000.XU Active CN207852401U (en) | 2018-03-16 | 2018-03-16 | A kind of coiling noninductive resistance contributing to heat dissipation |
Country Status (1)
| Country | Link |
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| CN (1) | CN207852401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764146A (en) * | 2020-06-03 | 2021-12-07 | 第一电阻电容器股份有限公司 | Superposed winding resistor and manufacturing method thereof |
| CN115954169A (en) * | 2023-01-12 | 2023-04-11 | 广东长虹电子有限公司 | High-power SMD thermistor |
-
2018
- 2018-03-16 CN CN201820362000.XU patent/CN207852401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764146A (en) * | 2020-06-03 | 2021-12-07 | 第一电阻电容器股份有限公司 | Superposed winding resistor and manufacturing method thereof |
| CN115954169A (en) * | 2023-01-12 | 2023-04-11 | 广东长虹电子有限公司 | High-power SMD thermistor |
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