CN210073507U

CN210073507U - Double-layer heat dissipation structure of wire-wound resistor

Info

Publication number: CN210073507U
Application number: CN201920927358.7U
Authority: CN
Inventors: 赵君; 卢金生; 薛慢慢
Original assignee: Shandong Hangtian Zhenghe Electronic Co Ltd
Current assignee: Shandong Hangtian Zhenghe Electronic Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-02-14
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a wire-wound resistor double-layer heat dissipation structure, which belongs to the technical field of resistors and comprises a base, wherein both ends of the top of the base are provided with first chutes, the middle position of the top of the base is provided with a resistor main body, the top of the base is provided with a protective cover, the top of one side of the protective cover is provided with a baffle penetrating to the bottom of the protective cover, and the outer sides of the baffle and the protective cover are both uniformly provided with a plurality of groups of air holes; the utility model discloses a fin that sets up, fan switch on, at the in-process of resistor operation, the fin absorbs the heat that the resistor main part gived off, the fan is taken the inside air current of visor and is taken away the heat on the fin, make the inside temperature of visor be in normal temperature, and through the visor that sets up, mention the baffle, wear into first spout with the visor from a right side to a left side, make the visor support first recess, make the installation of visor and dismantle the operation more simple, make the result of use of resistor better.

Description

Double-layer heat dissipation structure of wire-wound resistor

Technical Field

The utility model relates to a resistor technical field specifically is a double-deck heat radiation structure of wire-wound resistor.

Background

The Resistor (Resistor) is generally directly called as a Resistor in daily life and is a current limiting element, and after the Resistor is connected in a circuit, the resistance value of the Resistor is fixed and is generally two pins, and the Resistor can limit the current passing through a branch connected with the Resistor.

In the operation process of the resistor, heat is often generated along with the resistor, if the heat generated by the resistor cannot be dissipated in time, the heat is left near the resistor, so that the temperature of the resistor is continuously increased, the service life of the resistor is influenced to a certain extent, and the resistor structure lacks a protection structure, so that the resistor cannot be protected in the air exposed for a long time, and the use effect of the resistor is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the service life of a resistor is influenced by introducing a heat dissipation structure of the resistor, the resistor cannot be protected in air exposed for a long time due to the lack of a protection structure, and the using effect of the resistor is poor, a double-layer heat dissipation structure of a wire-wound resistor is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wire-wound resistor double-deck heat radiation structure, includes the base, the both ends at base top all are provided with first spout, the intermediate position department at base top is provided with the resistor main part, the top of base is provided with the visor, the top of visor one side is provided with the baffle that runs through to the visor bottom, the outside of baffle and visor all evenly is provided with the multiunit bleeder vent, the both sides of base bottom all are provided with the second recess, the both sides of the inside bottom of base all are provided with the second spout, the intermediate position of base bottom is provided with the fin, the fan is installed to the bottom of fin, the bottom of fan is fixed with the bottom plate, the both sides at bottom plate top all are fixed with the draw-in groove.

Preferably, the two sides of the bottom of the base are provided with clamping blocks extending into the second sliding groove, the clamping blocks are matched with the clamping grooves, and the bottom of each clamping block is fixed with a moving block.

Preferably, the inside of second spout all is provided with the spring, the fixture block all passes through spring and second spout swing joint.

Preferably, one side of the top of the base is provided with a first groove matched with the baffle.

Preferably, both sides of the base and both sides of the resistor body are provided with corresponding through holes.

Preferably, the material of the heat sink is copper.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a fin that sets up, fan switch on, at the in-process of resistor operation, the fin absorbs the heat that the resistor main part gived off, the fan is taken the inside air current of visor and is taken away the heat on the fin, make the inside temperature of visor be in normal temperature, and through the visor that sets up, mention the baffle, wear into first spout with the visor from a right side to a left side, make the visor support first recess, make the installation of visor and dismantle the operation more simple, make the result of use of resistor better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic top view of the present invention.

In the figure: 1. a base; 2. a first chute; 3. a first groove; 4. a resistor body; 5. a through hole; 6. a protective cover; 7. air holes are formed; 8. a baffle plate; 9. a second groove; 10. a second chute; 11. a base plate; 12. a moving block; 13. a heat sink; 14. a fan; 15. a card slot; 16. a clamping block; 17. a spring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The blower fan (model number is GBF 5025) and the resistor main body (model number is KNP-RX 20) mentioned in the utility model can be purchased in the market or by private ordering.

Referring to fig. 1-3, a wire-wound resistor double-layer heat dissipation structure includes a base 1, first chutes 2 are disposed at two ends of the top of the base 1, a resistor main body 4 is disposed at a middle position of the top of the base 1, a protective cover 6 is disposed at the top of the base 1, a baffle 8 penetrating through the bottom of the protective cover 6 is disposed at the top of one side of the protective cover 6, a plurality of sets of air holes 7 are uniformly disposed on the outer sides of the baffle 8 and the protective cover 6, second grooves 9 are disposed at two sides of the bottom of the base 1, second chutes 10 are disposed at two sides of the bottom of the base 1, heat dissipation fins 13 are disposed at the middle position of the bottom of the base 1, a fan 14 is mounted at the bottom of the heat dissipation fins 13, a bottom plate 11 is fixed at the.

The utility model discloses a bleeder vent 7 that sets up makes the heat that resistor main part 4 produced both can discharge through bleeder vent 7, also can exchange outside air current and the inside air current of visor 6 under the drive of fan 14 to reduce heat and the temperature that resistor main part 4 produced.

Please refer to fig. 1, two sides of the bottom of the base 1 are provided with a latch 16 extending into the second sliding groove 10, the latch 16 and the slot 15 are matched with each other, and the bottom of the latch 16 is fixed with a moving block 12.

The double-layer heat dissipation structure of the wire-wound resistor is convenient for the bottom plate 11 to fix the fan 14 and the heat dissipation sheet 13 through the arranged clamping block 16 under the mutual matching of the clamping block 16 and the clamping groove 15.

Please refer to fig. 1, the second sliding slot 10 is internally provided with a spring 17, and the latch 16 is movably connected to the second sliding slot 10 through the spring 17.

According to the double-layer heat dissipation structure of the wire-wound resistor, the spring 17 is arranged, so that the spring 17 drives the moving block 12 to clamp the clamping block 16 and the clamping groove 15, and the wire-wound resistor is convenient to fix.

Please refer to fig. 1 and 3, a first groove 3 is formed at one side of the top of the base 1 to match with the baffle 8.

This wire-wound resistor double-deck heat radiation structure makes the fixed better of visor 6 through the first recess 3 that sets up, under the first recess 3 and baffle 8 mutually support.

Referring to fig. 1 and 3, both sides of the base 1 and both sides of the resistor body 4 are provided with corresponding through holes 5.

This wire-wound resistor double-deck heat radiation structure is through the through-hole 5 that sets up, facilitates the use screw nut to fix it.

Please refer to fig. 1 and 3, the heat sink 13 is made of copper.

According to the double-layer radiating structure of the wire-wound resistor, the radiating fins 13 are made of copper, so that heat generated by the resistor main body 4 is better absorbed, and the heat is convenient to blow away.

The working principle is as follows: when the device is used, the resistor body 4 is placed on the base 1, the through holes 5 are aligned, the device is fixed by using screw nuts, then the bottom of the protective cover 6 is aligned with the position of the first sliding groove 2, the baffle plate 8 is manually lifted, then the protective cover 6 slides towards the inside of the first sliding groove 2, when the protective cover 6 moves the position of the first groove 3, the baffle plate 8 is put down, the baffle plate 8 clamps the first groove 3, the protective cover 6 covers the resistor body 4, then the radiating fins 13 are placed at the top of the fan 14, the radiating fins 13 are convenient to detach and clean, the fan 14 is placed at the top of the bottom plate 11, at the moment, the thumbs of two hands abut against the moving block 12, the moving block 12 is applied to extrude the spring 17, the moving block 12 drives the clamping block 16 to move towards two sides, then the bottom plate 11 is supported upwards by the hands, the bottom plate 11 is penetrated into the bottom of the base 1, and, then, the acting force applied to the moving block 12 by the thumb is released, the spring 17 drives the moving block 12 to reset, the clamping block 16 is clamped into the clamping groove 15 to fix the clamping block, and then the fan 14 is powered on to start use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a double-deck heat radiation structure of wire-wound resistor, includes base (1), its characterized in that: the two ends of the top of the base (1) are both provided with a first chute (2), the middle position of the top of the base (1) is provided with a resistor main body (4), a protective cover (6) is arranged at the top of the base (1), a baffle (8) penetrating to the bottom of the protective cover (6) is arranged at the top of one side of the protective cover (6), a plurality of groups of air holes (7) are uniformly arranged on the outer sides of the baffle (8) and the protective cover (6), two sides of the bottom of the base (1) are both provided with second grooves (9), two sides of the bottom end in the base (1) are both provided with second sliding chutes (10), a radiating fin (13) is arranged in the middle of the bottom of the base (1), a fan (14) is arranged at the bottom of the radiating fin (13), the bottom of fan (14) is fixed with bottom plate (11), the both sides at bottom plate (11) top all are fixed with draw-in groove (15).

2. The dual-layer heat dissipation structure of a wire-wound resistor as recited in claim 1, wherein: the two sides of the bottom of the base (1) are provided with clamping blocks (16) extending into the second sliding groove (10), the clamping blocks (16) are matched with the clamping grooves (15), and the bottom of each clamping block (16) is fixed with a moving block (12).

3. The dual-layer heat dissipation structure of a wire-wound resistor as recited in claim 2, wherein: the inside of second spout (10) all is provided with spring (17), fixture block (16) all through spring (17) and second spout (10) swing joint.

4. The dual-layer heat dissipation structure of a wire-wound resistor as recited in claim 1, wherein: one side at base (1) top is provided with first recess (3) with baffle (8) assorted.

5. The dual-layer heat dissipation structure of a wire-wound resistor as recited in claim 1, wherein: both sides of the base (1) and both sides of the resistor main body (4) are provided with corresponding through holes (5).

6. The dual-layer heat dissipation structure of a wire-wound resistor as recited in claim 1, wherein: the radiating fins (13) are made of copper.