CN218482035U - Alloy resistor with micro-resistance - Google Patents
Alloy resistor with micro-resistance Download PDFInfo
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- CN218482035U CN218482035U CN202221814264.7U CN202221814264U CN218482035U CN 218482035 U CN218482035 U CN 218482035U CN 202221814264 U CN202221814264 U CN 202221814264U CN 218482035 U CN218482035 U CN 218482035U
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Abstract
The utility model discloses an alloy resistance of resistance hinders a little, including alloy resistance shell, hollow radiating tube is worn to be equipped with to the left end face of alloy resistance shell is fixed, hollow radiating tube's the right side of wearing to establish alloy resistance shell is fixed to hollow radiating tube's right-hand member, hollow radiating tube's fixed surface parcel has insulating heat-conducting layer, insulating heat-conducting layer's surface spiral winding has the alloy resistance wire, a plurality of heat dissipation posts are worn to be equipped with to alloy resistance shell's leading flank is fixed, and during the use, the heat that the alloy resistance wire produced will transmit for adiabatic heat-conducting layer, and the heat on the insulating heat-conducting layer will transmit for hollow radiating tube, and the inside of hollow radiating tube can be entered into to the outside air to inside the alloy resistance, and a plurality of heat dissipation posts that set up can directly transmit the inside heat of alloy resistance shell for outside air, and then carry out high-efficient heat dissipation to alloy resistance through the dual heat dissipation mode, effectively improve this alloy resistance's life.
Description
Technical Field
The utility model relates to an alloy resistance technical field specifically is an alloy resistance of minute impedance.
Background
Alloy resistance is a resistance using alloy as a current medium, and is often used for sampling current in a circuit. For feeding back the varying current in the circuit to further control or influence the variation in current. The products mainly used are as follows: battery protection shield, power supply class, converter, lamps and lanterns, motor etc..
The existing alloy resistor is not ideal in heat dissipation effect and easy to damage resistance wires in the resistor, so that the service life of the alloy resistor is shortened, the use cost is increased, and therefore the alloy resistor with micro-resistance is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alloy resistance of micro-impedance to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an alloy resistance of declining resistance, includes alloy resistance shell, hollow cooling tube is worn to be equipped with fixedly by the left end face of alloy resistance shell, the right-hand member of hollow cooling tube is fixed wears to establish the right side of alloy resistance shell, hollow cooling tube's external surface fixed parcel has insulating heat-conducting layer, the surface spiral winding of insulating heat-conducting layer has the alloy resistance wire, the pin is worn to be equipped with all fixed on the bottom face left and right sides of alloy resistance shell, pin and alloy resistance wire welded fastening, the inside packing of alloy resistance shell has the filling layer, a plurality of heat dissipation posts are worn to be equipped with fixedly by the leading flank of alloy resistance shell.
Preferably, the alloy resistor shell is made of insulating plastics.
Preferably, the insulating heat-conducting layer adopts heat conduction silica gel to make, hollow cooling tube adopts the alumina pipe.
Preferably, the filling layer is made of heat-conducting daub.
Preferably, the left end part and the right end part of the hollow radiating pipe are fixedly sleeved with dustproof sleeves, and the outer surfaces of the dustproof sleeves are provided with a plurality of dustproof holes.
Preferably, the outer surface of the dustproof sleeve is integrally connected with a sealing ring block, and the sealing ring block is fixedly connected with the outer surface of the alloy resistor shell.
Compared with the prior art, the beneficial effects of the utility model are that: the alloy resistor is convenient to use and simple in structure, the alloy resistance wire is spirally wound on the outer surface of the hollow radiating tube, the insulating and heat conducting layer is arranged between the hollow radiating tube and the alloy resistance wire, heat generated by the alloy resistance wire is transferred to the insulating and heat conducting layer, heat on the insulating and heat conducting layer is transferred to the hollow radiating tube, and air flowing from the outside can enter the hollow radiating tube, so that heat is dissipated inside the alloy resistor; the dust cover that sets up can avoid external dust to enter into the inside of hollow cooling tube, and then avoids the dust to influence the heat transmissibility of hollow cooling tube.
Drawings
FIG. 1 is a schematic cross-sectional front view of a main body structure of a micro-impedance alloy resistor;
FIG. 2 is a schematic diagram of a main structure of a micro-impedance alloy resistor.
In the figure: 1-alloy resistance shell, 2-alloy resistance wire, 3-dustproof sleeve, 4-dustproof hole, 5-pin, 6-insulating heat conducting layer, 7-hollow heat radiating pipe, 8-heat radiating column, 9-sealing ring block and 10-filling layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1: please refer to fig. 1-2, a micro-resistance alloy resistor comprises an alloy resistor housing 1, wherein a hollow radiating pipe 7 is fixedly arranged on the left end face of the alloy resistor housing 1 in a penetrating manner, the right end of the hollow radiating pipe 7 is fixedly arranged on the right side of the alloy resistor housing 1 in a penetrating manner, an insulating heat conduction layer 6 is fixedly wrapped on the outer surface of the hollow radiating pipe 7, an alloy resistance wire 2 is spirally wound on the outer surface of the insulating heat conduction layer 6, pins 5 are fixedly arranged on the left side and the right side of the bottom end face of the alloy resistor housing 1 in a penetrating manner, the pins 5 are fixedly welded with the alloy resistance wire 2, a filling layer 10 is filled in the alloy resistor housing 1, and a plurality of radiating columns 8 are fixedly arranged on the front side face of the alloy resistor housing 1 in a penetrating manner.
2 spiral winding of alloy resistance wire is at hollow radiating tube 7's surface, and the insulating heat-conducting layer 6 that sets up between hollow radiating tube 7 and the alloy resistance wire 2, the heat that the alloy resistance wire 2 produced will be transmitted for adiabatic heat-conducting layer 6, heat on the insulating heat-conducting layer 6 will be transmitted for hollow radiating tube 7, the inside of hollow radiating tube 7 can be entered into to the outside air that flows, thereby dispel the heat to alloy resistance inside, and a plurality of heat dissipation posts 8 that set up can directly transmit the heat of 1 inside of alloy resistance shell for outside air, and then carry out high-efficient heat dissipation to alloy resistance through the dual mode of dispelling the heat, effectively improve this alloy resistance's life.
The alloy resistor shell 1 is made of insulating plastics, and the alloy resistor shell 1 made of plastics is low in cost, easy to produce and manufacture and good in insulating property.
Wherein, insulating heat-conducting layer 6 adopts heat conduction silica gel to make, hollow cooling tube 7 adopts the alumina pipe, and insulating heat-conducting layer 6 that heat conduction silica gel made not only has insulating nature, and has good heat transmissibility, and hollow cooling tube 7 that the alumina pipe was made can be convenient for absorb the heat on insulating heat-conducting layer 6.
The filling layer 10 is made of heat-conducting daub, which is widely applied to heat transfer enhancement materials in the field of industrial heat tracing and heat exchange, and has the main functions of increasing the heat transfer area and establishing a high-efficiency and low-heat-resistance heat transfer channel by being used in a heat tracing and heat exchange device.
Example 2: referring to fig. 1-2, a difference between an alloy resistor with micro impedance and embodiment 1 is that the left and right ends of the hollow heat dissipation tube 7 are fixedly sleeved with a dustproof sleeve 3, and the outer surface of the dustproof sleeve 3 is provided with a plurality of dustproof holes 4.
The dust-proof cover 3 can prevent external dust from entering the hollow radiating tube 7, and further prevent the dust from influencing the heat transfer performance of the hollow radiating tube 7.
The outer surface of the dustproof sleeve 3 is integrally connected with a sealing ring block 9, and the sealing ring block 9 is fixedly connected with the outer surface of the alloy resistor shell 1.
The sealing ring block 9 is fixedly connected with the alloy resistor shell 1, so that the sealing performance of the hollow radiating pipe 7 after installation can be improved, and water is prevented from leaking into the gap between the hollow radiating pipe 7 and the alloy resistor shell 1.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
Claims (6)
1. An alloy resistance of little impedance, includes alloy resistance shell (1), its characterized in that: the utility model discloses a fixed heat dissipation device of alloy resistor shell, including alloy resistor shell (1), hollow radiating tube (7) are worn to be equipped with by the left end face of alloy resistor shell (1) is fixed, the right-hand member of hollow radiating tube (7) is fixed wears to establish the right side of alloy resistor shell (1), the external fixed surface parcel of hollow radiating tube (7) has insulating heat-conducting layer (6), the surface spiral winding of insulating heat-conducting layer (6) has alloy resistance wire (2), pin (5) are worn to be equipped with all fixed on the bottom face left and right sides of alloy resistor shell (1), pin (5) and alloy resistance wire (2) welded fastening, the inside packing of alloy resistor shell (1) has filling layer (10), a plurality of heat dissipation posts (8) are worn to be equipped with by the front flank of alloy resistor shell (1) is fixed.
2. The alloy resistance of claim 1, wherein: the alloy resistor shell (1) is made of insulating plastics.
3. The alloy resistance of claim 2, wherein: insulating heat-conducting layer (6) adopt heat conduction silica gel to make, hollow cooling tube (7) adopt the alumina pipe.
4. The alloy resistance of claim 3, wherein: the filling layer (10) is made of heat-conducting daub.
5. The alloy resistance of claim 4, wherein: the left end part and the right end part of the hollow radiating pipe (7) are fixedly sleeved with dustproof sleeves (3), and a plurality of dustproof holes (4) are formed in the outer surfaces of the dustproof sleeves (3).
6. The alloy resistance of claim 5, wherein: the outer surface of the dustproof sleeve (3) is integrally connected with a sealing ring block (9), and the sealing ring block (9) is fixedly connected with the outer surface of the alloy resistor shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814264.7U CN218482035U (en) | 2022-07-13 | 2022-07-13 | Alloy resistor with micro-resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221814264.7U CN218482035U (en) | 2022-07-13 | 2022-07-13 | Alloy resistor with micro-resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218482035U true CN218482035U (en) | 2023-02-14 |
Family
ID=85163806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221814264.7U Active CN218482035U (en) | 2022-07-13 | 2022-07-13 | Alloy resistor with micro-resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218482035U (en) |
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2022
- 2022-07-13 CN CN202221814264.7U patent/CN218482035U/en active Active
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