CN210091839U - High-resistance non-inductive resistor - Google Patents
High-resistance non-inductive resistor Download PDFInfo
- Publication number
- CN210091839U CN210091839U CN201921302645.5U CN201921302645U CN210091839U CN 210091839 U CN210091839 U CN 210091839U CN 201921302645 U CN201921302645 U CN 201921302645U CN 210091839 U CN210091839 U CN 210091839U
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- resistance
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- fixed
- noninductive
- inductive resistor
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Abstract
The utility model discloses a high resistance non-inductive resistor relates to non-inductive resistor's application. The utility model discloses a noninductive resistance block, noninductive resistance block's both sides are seted up there is the air cooling groove, noninductive resistance block's one end all is fixed with the heat conduction aluminum sheet with the other end, and the louvre has been seted up to heat conduction aluminum sheet's inside, and noninductive resistance block's lower extreme is fixed with the resistance connecting rod, and the lower extreme of resistance connecting rod is fixed with the resistance matching piece, and the outside of resistance matching piece is fixed with the connection resistance block, and the outside of connecting the resistance block is fixed with the circuit board tie. The utility model discloses a resistance is to the noninductive resistance has installed a plurality of aluminium system heating panels additional to do benefit to the ascending appearance of air with the heating panel installation, make the device thermal diffusivity better, life is longer, and installs the cooperation additional through the lower extreme that lies in the circuit board contact and connect the guide block, make resistance part be convenient for change.
Description
Technical Field
The utility model belongs to the technical field of noninductive resistance, especially, relate to a high resistance noninductive formula resistance.
Background
In common products such as circuit boards produced in modern industry and the like, the non-inductive resistor plays a great role, the non-inductive resistor is in the meaning of a non-inductive value as the name implies, and the non-inductive value means that the inductive reactance value on the resistor is very small and can be ignored, and generally cannot be completely absent. Some accurate instrument and meter equipment, electronic industry equipment often need to use this type of noninductive resistance, because ordinary resistance that has high inductance vibrates easily in use, damages other devices in the return circuit, and common noninductive resistance is with two insulated wire and put together, and the terminal short circuit, head end external power supply and application circuit, these two insulated wire current opposite direction do not have external cause mutual inductance, can wind into the coil and use, only play the resistance effect.
However, the existing high-resistance non-inductive resistor cannot eliminate the heat generated by the resistor due to poor heat dissipation when in use, is connected with a circuit board through welding, and is complex to replace and inconvenient to implement when damaged or needs to be replaced due to other reasons; therefore, the existing requirement is not met, and a high-resistance non-inductive resistor is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high resistance non-inductive resistor to current high resistance non-inductive resistor who proposes in solving above-mentioned background art damages because the heat that self produced can't be eliminated to the heat dissipation is too poor when using, and is connected with the circuit board through the welding, when damage or other reasons need be changed, changes complicacy, inconvenient implementation scheduling problem.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a high resistance noninductive formula resistance, including noninductive resistance piece, the both sides of noninductive resistance piece are seted up there is the air cooling groove, the one end and the other end of noninductive resistance piece all are fixed with the heat conduction aluminum sheet, the louvre has been seted up to the inside of heat conduction aluminum sheet, the lower extreme of noninductive resistance piece is fixed with the resistance connecting rod, the lower extreme of resistance connecting rod is fixed with the resistive connection piece, the outside of resistive connection piece is fixed with the connection resistance piece, the outside of connecting the resistance piece is fixed with the circuit board tie point.
Furthermore, one end of the heat conduction aluminum sheet is connected with one end of the non-inductance-resistance block through welding, and the heat conduction aluminum sheet is made of aluminum metal.
Furthermore, a groove is formed in the connecting block, and the size of the convex block at the two ends of the resistance matching block is completely the same as that of the groove.
Furthermore, the material of the circuit board connecting point is brass metal.
The utility model discloses following beneficial effect has:
1. the utility model discloses an air cooling groove is seted up in the both sides of noninductive piece of hindering, the design shape in air cooling groove can be convenient for the air to pass through, carry out the air cooling to noninductive piece of hindering, the heat conduction aluminum sheet is all installed at noninductive both ends of hindering, the heat conduction aluminum sheet is aluminium products, the oxide film on aluminium surface not only has corrosion-resistant ability, and there is certain insulating nature, aluminium is hot good conductor, its heat conductivility is good, the heat conduction aluminum sheet that adopts the aluminium preparation can make the device produce the heat derived, the heat dissipation is convenient for, the louvre has been seted up to the inside of heat conduction aluminum sheet, the louvre can let the air blow through from heat conduction aluminum sheet inside, take away the uniform temperature, the shape that a plurality of heat conduction aluminum sheets are constituteed does.
2. The utility model discloses a resistance connecting rod is installed to the lower extreme at noninductive resistance piece, resistance connecting rod leads to noninductive resistance piece with the electric current, the resistive match piece is installed to resistance connecting rod's lower extreme, the connection resistance piece is installed in the outside of resistive match piece, the resistive match piece is connected in the transition fit that the connection resistance piece passes through the concavo-convex piece, make the resistive match piece be convenient for take out in connecting the resistance piece from connecting in inserting, the outside welding of connecting the resistance piece has the circuit board tie point, the material of circuit board tie point is brass, the electric conductivity of brass is good, lie in the circuit board and connect the back, can be with the better gatherer of electric current, make the resistance part be convenient for change.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic view of the overall separation structure of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a non-inductive resistance block; 2. an air cooling tank; 3. a heat conducting aluminum sheet; 4. heat dissipation holes; 5. a resistance connecting rod; 6. a resistance matching block; 7. connecting the block; 8. and connecting points of the circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-2, the utility model relates to a high resistance non-inductive resistor, including non-inductive resistor 1, non-inductive resistor 1's both sides are seted up there is air cooling groove 2, non-inductive resistor 1's one end all is fixed with heat conduction aluminum sheet 3 with the other end, heat dissipation hole 4 has been seted up to heat conduction aluminum sheet 3's inside, non-inductive resistor 1's lower extreme is fixed with resistance connecting rod 5, resistance connecting rod 5's lower extreme is fixed with resistive match piece 6, resistive match piece 6's the outside is fixed with connection resistor 7, the outside of connection resistor 7 is fixed with circuit board tie point 8.
Wherein as shown in the figure, welded connection is passed through with the one end of noninductive piece 1 to the one end of heat conduction aluminum sheet 3, and the material of heat conduction aluminum sheet 3 is the aluminium metal, and the oxide film on aluminium surface not only has corrosion-resistant ability, has certain insulating nature moreover, and aluminium is hot good conductor, and its heat conduction ability is 3 times bigger than indisputable, and the heat conduction aluminum sheet 3 that adopts the aluminium preparation can be so that the heat that the device produced is derived, is convenient for dispel the heat.
As shown in the figure, a groove is formed in the connecting resistance block 7, the sizes of the convex blocks and the grooves at the two ends of the resistance matching block 6 are completely the same, and the device is convenient to replace through the matching of the convex blocks and the concave blocks.
As shown in the figure, the circuit board connection point 8 is made of brass, which has good conductivity, and can lead current into the device better after the circuit board is connected.
One specific application of this embodiment is: the air cooling grooves 2 are formed in the two sides of the non-inductive resistance block 1, the air cooling grooves 2 are designed to facilitate air to pass through, the non-inductive resistance block 1 is air-cooled, the heat conduction aluminum sheets 3 are mounted at the two ends of the non-inductive resistance block 1, the heat conduction aluminum sheets 3 are aluminum products, an oxide film on the surface of aluminum has corrosion resistance and certain insulativity, the aluminum is a good thermal conductor, the heat conduction energy of the aluminum is 3 times larger than that of iron, the heat generated by the device can be led out by the heat conduction aluminum sheets 3 made of the aluminum, heat dissipation is facilitated, heat dissipation holes 4 are formed in the heat conduction aluminum sheets 3, the heat dissipation holes 4 can allow air to blow through the heat conduction aluminum sheets 3 to take away certain temperature, the shape formed by the plurality of heat conduction aluminum sheets 3 is beneficial to rising of hot air, heat dissipation performance; resistance connecting rod 5 is installed to the lower extreme at noninductive resistance piece 1, resistance connecting rod 5 is with the leading-in noninductive resistance piece 1 of electric current, resistance matching piece 6 is installed to resistance connecting rod 5's lower extreme, connection resistance piece 7 is installed in resistance matching piece 6's the outside, resistance matching piece 6 is connected in the transition fit of connecting resistance piece 7 through the convex-concave piece, make resistance matching piece 6 be convenient for take out in connecting resistance piece 7 from inserting, the outside welding of connecting resistance piece 7 has circuit board tie point 8, the material of circuit board tie point 8 is the brass, the electric conductivity of brass is good, after the circuit board is connected, can be with the better gatherer of electric current, make the resistance part be convenient for change when making the device increase resistance.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. A high resistance non-inductive resistor, comprising a non-inductive resistor block (1), characterized in that: the both sides of noninductive resistance block (1) are seted up and are had air cooling groove (2), the one end and the other end of noninductive resistance block (1) all are fixed with heat conduction aluminum sheet (3), louvre (4) have been seted up to the inside of heat conduction aluminum sheet (3), the lower extreme of noninductive resistance block (1) is fixed with resistance connecting rod (5), the lower extreme of resistance connecting rod (5) is fixed with resistive connection piece (6), the outside of resistive connection piece (6) is fixed with connection resistance block (7), the outside of connecting resistance block (7) is fixed with circuit board tie point (8).
2. The high-resistance non-inductive resistor according to claim 1, wherein one end of the heat-conducting aluminum sheet (3) is connected with one end of the non-inductive resistor block (1) by welding, and the heat-conducting aluminum sheet (3) is made of aluminum metal.
3. A high resistance non-inductive resistor as claimed in claim 1, wherein said connecting resistance block (7) is provided with a groove therein, and the size of the projection and the groove at the two ends of said resistance matching block (6) are completely the same.
4. A high resistance non-inductive resistor according to claim 1, characterized in that the circuit board connection point (8) is made of brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302645.5U CN210091839U (en) | 2019-08-13 | 2019-08-13 | High-resistance non-inductive resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302645.5U CN210091839U (en) | 2019-08-13 | 2019-08-13 | High-resistance non-inductive resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210091839U true CN210091839U (en) | 2020-02-18 |
Family
ID=69485919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921302645.5U Expired - Fee Related CN210091839U (en) | 2019-08-13 | 2019-08-13 | High-resistance non-inductive resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210091839U (en) |
-
2019
- 2019-08-13 CN CN201921302645.5U patent/CN210091839U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210813 |