CN203070844U - Brake resistor with aluminum casing - Google Patents
Brake resistor with aluminum casing Download PDFInfo
- Publication number
- CN203070844U CN203070844U CN 201220743478 CN201220743478U CN203070844U CN 203070844 U CN203070844 U CN 203070844U CN 201220743478 CN201220743478 CN 201220743478 CN 201220743478 U CN201220743478 U CN 201220743478U CN 203070844 U CN203070844 U CN 203070844U
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- CN
- China
- Prior art keywords
- ceramic matrix
- aluminum alloy
- core body
- alloy casing
- spring resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a brake resistor with an aluminum casing. The brake resistor comprises an aluminum alloy casing (1), an insulation mica plate (2), a spring resistor core body (3), lead-out wires (4) and a ceramic substrate (5), wherein the spring resistor core body (3) is fixed on the ceramic substrate (5) after being connected with the lead-out wire (4); the aluminum alloy casing (1) is connected with the ceramic substrate (5); and the insulation mica plate (2) is arranged between the aluminum alloy casing (1) and the spring resistor core body (3). In comparison with the prior art, the brake resistor provided by the utility model has the advantages of high resistance to high-power shock, small size, good thermal conduction and heat dissipation performances, high insulativity, high reliability and the like.
Description
Technical field
The utility model relates to a kind of resistor, especially relates to a kind of aluminium shell braking resistor.
Background technology
Traditional braking resistor, its profile directly depends on its bearing power, after bearing power improved, overall dimension also can increase thereupon.And because frequency converter and server design miniaturization gradually, need be designed to built-in braking resistance be used, because the restriction of inner installation site, its volume can't arbitrarily enlarge; In order to realize the product miniaturization, need improve traditional brake resistance structure.
The utility model content
The purpose of this utility model be exactly provide in order to overcome the defective that above-mentioned prior art exists that the high electric energy of a kind of ability impacts, volume is little, the heat conduction and heat radiation performance is good, insulating properties and the high aluminium shell braking resistor of reliability.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of aluminium shell braking resistor, it is characterized in that, comprise aluminum alloy casing 1, insulating mica plate 2, spring resistance core body 3, draw lead 4 and ceramic matrix 5, described spring resistance core body 3 is fixed on the ceramic matrix 5 after lead 4 is connected with drawing, described aluminum alloy casing 1 is connected with ceramic matrix 5, and described insulating mica plate 2 is located between aluminum alloy casing 1 and the spring resistance core body 3.
Described ceramic matrix 5 is the box-packed ceramic matrix of integral type, and its inner chamber is provided with for what place spring resistance core body 3 and evenly is distributed symmetrically groove, and this groove one side is provided with for the bayonet socket of fixedly drawing lead 4.
Described spring resistance core body 3 is made form of springs for the alloy filament winding, embeds after evenly stretching to be assemblied in the groove of ceramic matrix 5.
Be embedded on aluminum alloy casing 1 inside bottom surface after described ceramic matrix 5 encapsulating faces and insulating mica plate 2 are fitted, described ceramic matrix 5 non-encapsulating faces are as the reservation face of installation.
Described aluminum alloy casing 1 one sides are provided with the circular hole location hole, and the ceramic matrix 5 of homonymy is provided with boss and stretches out structure; Described aluminum alloy casing 1 opposite side is provided with U-shaped groove location hole.
Also comprise and be located at ceramic matrix 5 and spring resistance core body 3 and draw inserts between the lead 4.
Compared with prior art, the utlity model has following advantage:
1, many rows of ceramic matrix trench design is being guaranteed on the pinpoint basis of internal electrical resistance body, its inner space that utilizes as much as possible is used for arranging the spring resistive element, improved the use amount of internal resistance silk greatly, promote the ability that the anti-immediate current of resistance core body impacts, thereby improved the short-term load (duty) ability of product.
2, by box-like ceramic matrix parcel spring resistive element, and with the structure that inorganic fillings encapsulates, improved the integral insulation ability of product.
3, use comparatively smooth ceramic matrix bottom surface with the installing hole of aluminium shell, fix as the installed surface of resistor and the metallic plate applying of system, will effectively promote the capacity of heat transmission of product, strengthen the heat dispersion of product.
4, with the middle lining of flexible heatproof micarex as aluminum alloy casing and ceramic matrix encapsulating face, when improving the product insulation property, by reducing the inside capacity of heat transmission that inner gap promotes product, effectively improve the ability that meets of product.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of aluminium shell braking resistor, comprise aluminum alloy casing 1, insulating mica plate 2, spring resistance core body 3, draw lead 4 and ceramic matrix 5, described spring resistance core body 3 is fixed on the ceramic matrix 5 after lead 4 is connected with drawing, described aluminum alloy casing 1 is connected with ceramic matrix 5, and described insulating mica plate 2 is located between aluminum alloy casing 1 and the spring resistance core body 3.
Described ceramic matrix 5 is the box-packed ceramic matrix of integral type, and its inner chamber is provided with for what place spring resistance core body 3 and evenly is distributed symmetrically groove, and this groove one side is provided with for the bayonet socket of fixedly drawing lead 4.Described spring resistance core body 3 is made form of springs for the alloy filament winding, embeds after evenly stretching to be assemblied in the groove of ceramic matrix 5.Be embedded on aluminum alloy casing 1 inside bottom surface after described ceramic matrix 5 encapsulating faces and insulating mica plate 2 are fitted, described ceramic matrix 5 non-encapsulating faces are as the reservation face of installation.
Described aluminum alloy casing 1 one sides are provided with the circular hole location hole, and the ceramic matrix 5 of homonymy is provided with boss and stretches out structure; Described aluminum alloy casing 1 opposite side is provided with U-shaped groove location hole.
The utility model also comprises and is located at ceramic matrix 5 and spring resistance core body 3 and draws inserts between the lead 4.
Concrete installation process is: with spring resistance core body 3 two ends respectively with draw lead 4 and be connected by terminal, the ceramic matrix 5 of packing into then, spring resistance core body 3 evenly embeds in each groove of ceramic matrix 5, drawing lead 4 is fixed in the reservation bayonet socket of ceramic matrix 5 both sides, fill and packaging ceramic matrix 5 with inserts, cover a slice insulating mica plate 2 on the encapsulating face, to draw after lead passes the perforate of aluminum alloy casing 1 one sides respectively, sub-assembly is packed in the aluminum alloy casing 1, the inside bottom surface of insulating mica plate 2 applying aluminum alloy casings 1, by punching press one side bayonet socket ceramic matrix 5 is fixed in the aluminum alloy casing 1, assembling is finished.
Claims (6)
1. aluminium shell braking resistor, it is characterized in that, comprise aluminum alloy casing (1), insulating mica plate (2), spring resistance core body (3), draw lead (4) and ceramic matrix (5), described spring resistance core body (3) is fixed on the ceramic matrix (5) after lead (4) is connected with drawing, described aluminum alloy casing (1) is connected with ceramic matrix (5), and described insulating mica plate (2) is located between aluminum alloy casing (1) and the spring resistance core body (3).
2. a kind of aluminium shell braking resistor according to claim 1, it is characterized in that, described ceramic matrix (5) is the box-packed ceramic matrix of integral type, its inner chamber is provided with for what place spring resistance core body (3) and evenly is distributed symmetrically groove, and this groove one side is provided with for the bayonet socket of fixedly drawing lead (4).
3. a kind of aluminium shell braking resistor according to claim 2 is characterized in that described spring resistance core body (3) is made form of springs for the alloy filament winding, embeds after evenly stretching to be assemblied in the groove of ceramic matrix (5).
4. a kind of aluminium shell braking resistor according to claim 1, it is characterized in that, described ceramic matrix (5) encapsulating face and insulating mica plate (2) are embedded on aluminum alloy casing (1) inside bottom surface after fitting, and the non-encapsulating face of described ceramic matrix (5) is as the reservation face of installation.
5. a kind of aluminium shell braking resistor according to claim 1 is characterized in that, described aluminum alloy casing (1) one side is provided with the circular hole location hole, and the ceramic matrix of homonymy (5) is provided with boss and stretches out structure; Described aluminum alloy casing (1) opposite side is provided with U-shaped groove location hole.
6. a kind of aluminium shell braking resistor according to claim 1 is characterized in that, also comprises being located at ceramic matrix (5) and spring resistance core body (3) and drawing inserts between the lead (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743478 CN203070844U (en) | 2012-12-30 | 2012-12-30 | Brake resistor with aluminum casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220743478 CN203070844U (en) | 2012-12-30 | 2012-12-30 | Brake resistor with aluminum casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203070844U true CN203070844U (en) | 2013-07-17 |
Family
ID=48769608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220743478 Expired - Lifetime CN203070844U (en) | 2012-12-30 | 2012-12-30 | Brake resistor with aluminum casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203070844U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575562A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | Corrosion-resistant and high-temperature resistant resistor box |
| CN105575566A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | Brake resistor |
| CN108682525A (en) * | 2018-05-08 | 2018-10-19 | 上海克拉电子有限公司 | A kind of high flat aluminum casing resistor of protection |
| CN109559862A (en) * | 2018-11-30 | 2019-04-02 | 广东福德电子有限公司 | A kind of cast resistor |
-
2012
- 2012-12-30 CN CN 201220743478 patent/CN203070844U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575562A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | Corrosion-resistant and high-temperature resistant resistor box |
| CN105575566A (en) * | 2016-01-29 | 2016-05-11 | 太仓弘杉环保科技有限公司 | Brake resistor |
| CN108682525A (en) * | 2018-05-08 | 2018-10-19 | 上海克拉电子有限公司 | A kind of high flat aluminum casing resistor of protection |
| CN108682525B (en) * | 2018-05-08 | 2024-03-29 | 上海克拉电子有限公司 | High-protection flat aluminum shell resistor |
| CN109559862A (en) * | 2018-11-30 | 2019-04-02 | 广东福德电子有限公司 | A kind of cast resistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |