CN207367708U - A kind of high-power low noninductive resistor - Google Patents
A kind of high-power low noninductive resistor Download PDFInfo
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- CN207367708U CN207367708U CN201721259217.XU CN201721259217U CN207367708U CN 207367708 U CN207367708 U CN 207367708U CN 201721259217 U CN201721259217 U CN 201721259217U CN 207367708 U CN207367708 U CN 207367708U
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- resistor
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- heat dissipation
- resistance
- dissipation metal
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Abstract
A kind of high-power low noninductive resistor of the utility model, including heat dissipation metal shell, refractory plate, front apron, rear baffle and resistor disc, refractory plate is close to be arranged on the inner wall of heat dissipation metal shell, front apron is arranged on the front end of heat dissipation metal shell, and is packaged using preceding sealing slurry, and rear baffle is arranged on the rear end of heat dissipation metal shell, and sealing slurry is packaged after using, cavity is equipped with heat dissipation metal shell, resistor disc is located in cavity, and is filled using quartz sand；Resistor disc includes first resistor piece, second resistance piece and interlaminated resistance piece, and first resistor piece is connected with one end of the positive and negative interlaminated resistance piece that is arranged in parallel of second resistance piece with the end of first resistor piece, and the other end is connected with the end of second resistance piece.The utility model provides a kind of combination simple in structure, easy, the high high-power low noninductive resistor of impact resistance.
Description
Technical field
Resistive technologies field is the utility model is related to, more particularly to a kind of high-power low noninductive resistor.
Background technology
The structure type of resistor is varied at present, and in the prior art, the structure that resistor has is excessively complicated, way work
Sequence is more, has the shortcomings that inductance value bigger than normal, poor impact resistance and performance are insecure, and the structure also having is too simple, directly uses
Ceramics are used as skeleton, and around upper resistance wire, for such a structure since resistance wire is wound on above ceramic tube, resistance wire can similar and spring
Shape form is attached on ceramic tube, and it is bigger than normal so to be easy to cause stray inductance, and after heavy current impact, resistance wire is easily loose
It is dynamic, turn-to-turn short circuit is caused, so as to cause resistor to burn.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is to provide a kind of combination simple in structure, easy, the high big work(of impact resistance
Rate low-resistance noninductive resistor.
To achieve these goals, the utility model provides a kind of high-power low noninductive resistor, including heat dissipation metal
Shell, refractory plate, front apron, rear baffle and resistor disc, the refractory plate are close to be arranged on the inner wall of heat dissipation metal shell, institute
The front end that front apron is arranged on heat dissipation metal shell is stated, and is packaged using preceding sealing slurry, the rear baffle is arranged on gold
Belong to the rear end of heat-dissipating casing, and seal slurry after using and be packaged, cavity, the resistance are equipped with the heat dissipation metal shell
Piece is located in cavity, and is filled using quartz sand；
The resistor disc includes first resistor piece, second resistance piece and interlaminated resistance piece, the first resistor piece and second
Resistor disc is positive and negative to be arranged in parallel, and one end of the interlaminated resistance piece is connected with the end of first resistor piece, the other end and the second electricity
Hinder the end connection of piece.
A kind of high-power low noninductive resistor of the utility model, wherein the first resistor on piece is away from the middle electricity
One end of resistance piece is equipped with the first flanging, and the one end of the second resistance on piece away from the interlaminated resistance piece is equipped with the second flanging,
Extraction wire is respectively welded on first flanging and the second flanging, the extraction wire extends out to the heat dissipation metal
Housing exterior.
A kind of high-power low noninductive resistor of the utility model, wherein the first resistor piece is adopted with second resistance piece
Use cell structure.
A kind of high-power low noninductive resistor of the utility model, wherein between the first resistor piece and second resistance piece
Equipped with micarex.
A kind of high-power low noninductive resistor of the utility model, wherein the first resistor piece, second resistance piece are with
Between resistor disc be an integral molding structure.
A kind of high-power low noninductive resistor of the utility model, wherein the resistor disc for Aludirome resistor disc or
Nickel-cadmium resistor disc.
A kind of high-power low noninductive resistor of the utility model, wherein the refractory plate, front apron and rear baffle are
Insulating body.
Compared with prior art, advantages and beneficial effects possessed by the utility model are：
(1) resistor disc is put into heat dissipation metal shell by the utility model, and is filled using quartz sand, while by front
Plate is correspondingly placed at the front-end and back-end of heat dissipation metal shell with rear baffle respectively, heat dissipation metal shell is sealed, this reality
Simple with new overall structure, combination is convenient.
(2) the utility model interlaminated resistance piece links together first resistor piece and second resistance piece, makes first resistor
Piece is cascaded with second resistance piece, and resistor disc is an overall structure, so that resistor disc has stronger resistance to electric current punching
The performance hit；Resistor disc uses plate armature, makes resistive element surface loading low, has high-power；Resistor disc uses grid knot
Structure, makes resistor disc have the noninductive performance of low-resistance.
(3) micarex is equipped between the utility model first resistor piece and second resistance piece, micarex is insulating body, will
First resistor piece is separated with second resistance piece, is avoided first resistor piece from being contacted with second resistance piece, resistor disc is formed short circuit,
Resistor is avoided the phenomenon burnt occur.
The cause of disease sample collecting device of the utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is a kind of high-power low noninductive resistor main view profile of the utility model；
Fig. 2 is a kind of high-power low noninductive resistor top plan view of the utility model；
Fig. 3 is the structure chart of resistor disc in a kind of high-power low noninductive resistor of the utility model；
Wherein：1st, extraction wire；2nd, preceding sealing slurry；3rd, front apron；4th, heat dissipation metal shell；5th, refractory plate；6th, it is quartzy
Sand；7th, resistor disc；8th, micarex；9th, rear baffle；10th, slurry is sealed afterwards；
701st, first resistor piece；702nd, the first flanging；703rd, second resistance piece；704th, the second flanging；705th, interlaminated resistance
Piece.
Embodiment
As shown in Figs. 1-2, a kind of high-power low noninductive resistor of the utility model, including it is heat dissipation metal shell 4, heat-resisting
Plate 5, front apron 3, rear baffle 9 and resistor disc 7, wherein, refractory plate 5, front apron 3 and rear baffle 9 are insulating body, refractory plate
5 are close to be arranged on the inner wall of heat dissipation metal shell 4, and front apron 3 is arranged on the front end of heat dissipation metal shell 4, and using preceding envelope
Mouth slurry 2 is packaged, and rear baffle 9 is arranged on the rear end of heat dissipation metal shell 4, and is sealed slurry 10 after using and be packaged,
Cavity is equipped with heat dissipation metal shell 4, resistor disc 7 is located in cavity, and is filled using powdered quartz sand 6, overall knot
Structure is simple, and combination is convenient.
Wherein, heat dissipation metal shell 4 is aluminum shell.
As shown in figure 3, resistor disc 7 includes first resistor piece 701, second resistance piece 703 and interlaminated resistance piece 705, first
Resistor disc 701, second resistance piece 703 and interlaminated resistance piece 705 are an integral molding structure, wherein, one end of interlaminated resistance piece 705
It is connected with the end of first resistor piece 701, the other end is connected with the end of second resistance piece 703, first resistor piece 701 and second
Resistor disc 703 is positive and negative to be arranged in parallel, and interlaminated resistance piece 705 links together first resistor piece 701 and second resistance piece 703,
First resistor piece 701 is set to be cascaded with second resistance piece 703, resistor disc 7 is an overall structure, so that resistor disc 7
Performance with stronger resistance to rush of current.
One end away from interlaminated resistance piece 705 on first resistor piece 701 is equipped with the first flanging 702, on second resistance piece 703
One end away from interlaminated resistance piece 705 is equipped with the second flanging 704, and the first flanging 702 draws with being respectively welded on the second flanging 704
Go out conducting wire 1, extraction wire 1 is extended out to outside heat dissipation metal shell 4, and the first flanging 702 and the second flanging 704 are respectively positioned on electricity
Hinder the same end of piece 7, wiring be installed easy to resistor, the setting of the first flanging 702 and the second flanging 704 ensure extraction wire and
During 7 pressure welding of resistor disc, it is connected firmly, avoids striking sparks when being powered, or conducting wire is blown.
Preferably, first resistor piece 701 and second resistance piece 703 use cell structure, cell structure make resistor disc 7 into
Plate armature, electric current flow through in one plane, and current loop will not form annular, have noninductive performance.Actually make
Used time, according to the difference of required resistance value, according to R=ρ L/s (ρ：Resistivity of material, L：Electric current flows through resistance leaf length, s：It is transversal
Area) adjust corresponding grid quantity and corresponding size.
Further, resistor disc 7 uses plate armature, and it is big that electric current flows through the surface area externally to radiate during grid, on an equal basis
Under surface loading, more high current can be flowed through, improves resistor power.
In actual use, first resistor piece 701 occurs due to vibration and contacts resistor with second resistance piece 703
Phenomenon together, so can make resistor disc 7 form short circuit, it is preferred that be set between first resistor piece 701 and second resistance piece 703
There is micarex 8, micarex 8 is insulating body, is placed between first resistor piece 701 and second resistance piece 703, and the purpose is to will
First resistor piece 701 is separated with second resistance piece 703, is avoided first resistor piece 701 from being contacted with second resistance piece 703, is made electricity
Resistance piece 7 forms short circuit, avoids resistor from the phenomenon burnt occur.
Resistor disc 7 is Aludirome resistor disc or nickel-cadmium resistor disc, and material is national standard electrothermal alloy material, more resistant to
Temperature, service life are long.
Refractory plate 5 is close on the inner wall of heat dissipation metal shell 4, then by the utility model first when being processed
Plate washer after being placed in the rear end of heat dissipation metal shell 4, and slurry 10 is sealed after injecting, it is put into oven for curing；Secondly, will draw
Conducting wire 1 is welded on resistor disc 7, then will be integrally put into heat dissipation metal shell 4, and is put into micarex 8, fills quartz sand 6,
Front apron 3 is covered again, sealing slurry 2, by 7 overall package of resistor disc in heat dissipation metal shell 4, places into baking oven before injecting
Inside toasted.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the scope of the utility model, change, replace and
Modification.The scope of the utility model is extremely equally limited by appended claims.
Claims (7)
- A kind of 1. high-power low noninductive resistor, it is characterised in that：Including heat dissipation metal shell, refractory plate, front apron, rear gear Plate and resistor disc, the refractory plate are close to be arranged on the inner wall of heat dissipation metal shell, and the front apron is arranged on heat dissipation metal The front end of shell, and be packaged using preceding sealing slurry, the rear baffle is arranged on the rear end of heat dissipation metal shell, and uses Sealing slurry is packaged afterwards, and cavity is equipped with the heat dissipation metal shell, and the resistor disc is located in cavity, and using quartz Sand is filled；The resistor disc includes first resistor piece, second resistance piece and interlaminated resistance piece, the first resistor piece and second resistance Piece is positive and negative to be arranged in parallel, and one end of the interlaminated resistance piece is connected with the end of first resistor piece, the other end and second resistance piece End connection.
- A kind of 2. high-power low noninductive resistor according to claim 1, it is characterised in that：The first resistor on piece One end away from the interlaminated resistance piece is equipped with the first flanging, the one end of the second resistance on piece away from the interlaminated resistance piece Equipped with the second flanging, extraction wire is respectively welded on first flanging and the second flanging, the extraction wire stretches out To the heat dissipation metal housing exterior.
- A kind of 3. high-power low noninductive resistor according to claim 1, it is characterised in that：The first resistor piece with Second resistance piece uses cell structure.
- A kind of 4. high-power low noninductive resistor according to claim 1, it is characterised in that：The first resistor piece with Micarex is equipped between second resistance piece.
- A kind of 5. high-power low noninductive resistor according to claim 1-4 any one, it is characterised in that：Described One resistor disc, second resistance piece and interlaminated resistance piece are an integral molding structure.
- A kind of 6. high-power low noninductive resistor according to claim 5, it is characterised in that：The resistor disc is siderochrome Aluminium alloy resistor disc or nickel-cadmium resistor disc.
- A kind of 7. high-power low noninductive resistor according to claim 1, it is characterised in that：The refractory plate, front Plate and rear baffle are insulating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259217.XU CN207367708U (en) | 2017-09-28 | 2017-09-28 | A kind of high-power low noninductive resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721259217.XU CN207367708U (en) | 2017-09-28 | 2017-09-28 | A kind of high-power low noninductive resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367708U true CN207367708U (en) | 2018-05-15 |
Family
ID=62346363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721259217.XU Active CN207367708U (en) | 2017-09-28 | 2017-09-28 | A kind of high-power low noninductive resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117153508A (en) * | 2023-10-18 | 2023-12-01 | 深圳市正阳兴电子科技有限公司 | Grid type high-power metal resistor |
-
2017
- 2017-09-28 CN CN201721259217.XU patent/CN207367708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117153508A (en) * | 2023-10-18 | 2023-12-01 | 深圳市正阳兴电子科技有限公司 | Grid type high-power metal resistor |
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