CN207651271U - A kind of high pressure resistant aluminum shell Power Resistor - Google Patents
A kind of high pressure resistant aluminum shell Power Resistor Download PDFInfo
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- CN207651271U CN207651271U CN201721511555.8U CN201721511555U CN207651271U CN 207651271 U CN207651271 U CN 207651271U CN 201721511555 U CN201721511555 U CN 201721511555U CN 207651271 U CN207651271 U CN 207651271U
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- aluminum shell
- resistive element
- ceramic tube
- alumina ceramic
- pressure resistant
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Abstract
A kind of high pressure resistant aluminum shell Power Resistor, including aluminum shell, aluminum shell inside is through setting high-alumina ceramic tube；High-alumina ceramic tube is internally provided with resistive element；Gap filling between aluminum shell and high-alumina ceramic tube has electronics dummy stack；Gap filling between high-alumina ceramic tube and resistive element has heat conduction sand；Resistive element both ends are fixed with high-voltage leading-out wire；Gap filling between resistive element, high-voltage leading-out wire and high-alumina ceramic tube has dummy stack；High-voltage leading-out wire and resistive element are welded；High-alumina ceramic tube and resistive element fit together, the filling of heat conduction sand is entered to cure, dummy stack is filled in the both ends of high-alumina ceramic tube in the position for having limited resistive element, high-alumina ceramic tube is packed into aluminum shell, electronics dummy stack is filled into the gap between high-alumina ceramic tube and aluminum shell；Have the characteristics that simple in structure, heat-conducting effect and good insulating.
Description
Technical field
The utility model belongs to resistor technologies field, more particularly to a kind of high pressure resistant aluminum shell Power Resistor.
Background technology
Resistor (Resistor) is the element that number of applications is most in electronic current, is usually formed according to power and resistance value
Different series is selected for circuit designers.It is general in daily life to be directly known as resistance, one in circuit or electronic equipment
As partial pressure, current limliting, absorb energy use.The one kind of wirewound resistor as resistor numerous members, is to use alloy resistance wire
It is wound on heat safe insulating body, the resistive element that surface is constituted by multiple protective layer.By surface by the difference of multiple protective layer, line
It can be divided into around resistor：By glaze wirewound resistor, by paint wirewound resistor, metal shell wirewound resistor, ceramic shell line is around electricity
Hinder device.With lower temperature coefficient, noise is small, and resistance accuracy is high, and strong shock resistance, stability is good, heat-and corrosion-resistant, lacks
Point is that high frequency performance is poor, and time constant is big, mainly does accurate high-power resistance and uses.
Wirewound resistor itself high voltage ability is poor, currently, metal type resistor with aluminum shell highest proof voltage is 10kV, this
The proof voltage of high pressure resistant aluminum shell Power Resistor requires to be 20kV.
Invention content
To overcome above-mentioned the deficiencies in the prior art, it is high-power that the purpose of this utility model is to provide a kind of high pressure resistant aluminum shell
Resistor has the characteristics that simple in structure, heat-conducting effect and good insulating.
To achieve the above object, the utility model provides the following technical solutions：A kind of high pressure resistant aluminum shell high-power resistance
Device, including aluminum shell, aluminum shell inside is through setting high-alumina ceramic tube；High-alumina ceramic tube is internally provided with resistive element；Aluminum shell and high alumina
Gap filling between porcelain tube has electronics dummy stack；Gap filling between high-alumina ceramic tube and resistive element has heat conduction sand；Resistive element
Both ends are fixed with high-voltage leading-out wire；Gap filling between resistive element, high-voltage leading-out wire and high-alumina ceramic tube has dummy stack.
The global shape of the aluminum shell is "convex" shaped, and radially setting is fluted on surface, and groove is at least two
It is a.
The material of the heat conduction sand is silica.
The concentric setting of high-alumina ceramic tube and resistive element；High-alumina ceramic tube stretches out the equal length at aluminum shell both ends.
It is connected between the resistive element and high-voltage leading-out wire by being cold-pressed；Resistive element uses wire-wound resistor.
It is cylindrical hollow inside the aluminum shell, triangular groove is arranged in cylindrical hollow circumferencial direction；Triangular groove is eight
It is a to be uniformly distributed in around cylindrical hollow.
The resistive element uses thick-film resistor.
The beneficial effects of the utility model are：
The resistor structure of the application is simple, and groove increasing heat radiation area, bottom plane structure side are arranged outside aluminum shell
Just it is installed with radiator and connects and good heat-conducting effect is provided；Increase high-alumina ceramic tube between aluminum shell and resistive element, ensures production
Product proof voltage energy；It is filled using heat conduction sand and meets product heat conduction and insulation performance.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the aluminum shell left view of the utility model；
Fig. 4 is the aluminum shell vertical view of the utility model；
In figure, 1 it is aluminum shell, 2 is electronics dummy stack, 3 is high-alumina ceramic tube, 4 is heat conduction sand, 5 is resistive element, 6 to fill out envelope
Material, 7 be high-voltage leading-out wire, 8 be cylindrical hollow, 9 be triangular groove.
Specific implementation mode
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of high pressure resistant aluminum shell Power Resistor as shown in Figs 1-4, including aluminum shell
1,1 inside of aluminum shell is through setting high-alumina ceramic tube 3；High-alumina ceramic tube 3 is internally provided with resistive element 5；Aluminum shell 1 and high-alumina ceramic tube 3 it
Between gap filling have electronics dummy stack 2；Gap filling between high-alumina ceramic tube 3 and resistive element 5 has heat conduction sand 4；5 liang of resistive element
End is fixed with high-voltage leading-out wire 7；Gap filling between resistive element 5, high-voltage leading-out wire 7 and high-alumina ceramic tube 3 has dummy stack 6.Institute
The global shape for the aluminum shell 1 stated be "convex" shaped, and surface radially setting it is fluted, groove be at least there are two.Described
The material of heat conduction sand 4 is silica.The 5 concentric setting of high-alumina ceramic tube 3 and resistive element；High-alumina ceramic tube 3 stretches out outside aluminium
The equal length at 1 both ends of shell.It is connected between the resistive element 5 and high-voltage leading-out wire 7 by being cold-pressed；Resistive element 5 using line around
Resistance.1 inside of aluminum shell is cylindrical hollow 8, and triangular groove 9 is arranged in 8 circumferencial direction of cylindrical hollow；Triangular groove 9 is
Eight are uniformly distributed in around cylindrical hollow 8.The resistive element 5 uses thick-film resistor.
Embodiment：High-voltage leading-out wire 7 and resistive element 5 will be welded first；High-alumina ceramic tube 3 and resistive element 5 are assembled in
Together, the position of resistive element 5 has been limited, secondly the filling of heat conduction sand 4 has entered to cure, dummy stack 6 is then filled in height
High-alumina ceramic tube 3 is packed into the inside of aluminum shell 1, electronics dummy stack 2 is filled into outside high-alumina ceramic tube 3 and aluminium by the both ends of aluminium porcelain tube 3
Gap between shell 1.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of high pressure resistant aluminum shell Power Resistor, including aluminum shell (1), which is characterized in that run through inside aluminum shell (1)
High-alumina ceramic tube (3) is set；High-alumina ceramic tube (3) is internally provided with resistive element (5)；Gap between aluminum shell (1) and high-alumina ceramic tube (3)
Filled with electronics dummy stack (2)；Gap filling between high-alumina ceramic tube (3) and resistive element (5) has heat conduction sand (4)；Resistive element (5)
Both ends are fixed with high-voltage leading-out wire (7)；Gap filling between resistive element (5), high-voltage leading-out wire (7) and high-alumina ceramic tube (3) has
Dummy stack (6).
2. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1, which is characterized in that the aluminum shell
(1) global shape be "convex" shaped, and surface radially setting it is fluted, groove be at least there are two.
3. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1, which is characterized in that the heat conduction sand
(4) material is silica.
4. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1, which is characterized in that the alumina porcelain
Manage (3) and resistive element (5) concentric setting；High-alumina ceramic tube (3) stretches out the equal length at aluminum shell (1) both ends.
5. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1, which is characterized in that the resistive element
(5) it is connected between high-voltage leading-out wire (7) by being cold-pressed；Resistive element (5) uses wire-wound resistor.
6. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1 or 2 or 4, which is characterized in that described
It is cylindrical hollow (8) inside aluminum shell (1), triangular groove (9) is arranged in cylindrical hollow (8) circumferencial direction；Triangular groove (9) is eight
It is a to be uniformly distributed in around cylindrical hollow (8).
7. a kind of high pressure resistant aluminum shell Power Resistor according to claim 1, which is characterized in that the resistive element
(5) thick-film resistor is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721511555.8U CN207651271U (en) | 2017-11-14 | 2017-11-14 | A kind of high pressure resistant aluminum shell Power Resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721511555.8U CN207651271U (en) | 2017-11-14 | 2017-11-14 | A kind of high pressure resistant aluminum shell Power Resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207651271U true CN207651271U (en) | 2018-07-24 |
Family
ID=62888673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721511555.8U Active CN207651271U (en) | 2017-11-14 | 2017-11-14 | A kind of high pressure resistant aluminum shell Power Resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207651271U (en) |
-
2017
- 2017-11-14 CN CN201721511555.8U patent/CN207651271U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1107, 11 / F, Zhongchuang Plaza, 385 Hangtian Middle Road, Xi'an national civil space base, Shaanxi 710000 Patentee after: SHAANXI HUAXING TECHNOLOGY Co.,Ltd. Address before: No.16, Wenhui East Road, Weicheng District, Xi'an City, Shaanxi Province 712099 Patentee before: SHAANXI HUAXING WIREWOUND RESISTOR Co.,Ltd. |