CN219225984U

CN219225984U - Alloy resistor

Info

Publication number: CN219225984U
Application number: CN202320076849.1U
Authority: CN
Inventors: 张一驰
Original assignee: Shenzhen Jiushengchang Electronics Co ltd
Current assignee: Shenzhen Jiushengchang Electronics Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-20
Anticipated expiration: 2033-01-10

Abstract

The utility model provides an alloy resistor which comprises a shell, a resistor disc positioned in the shell and electrodes connected with two ends of the resistor disc, wherein a conical base sleeve is arranged in the shell, two ends of the conical base sleeve are connected with two ends of the shell in a sealing manner, and the resistor disc is sleeved on the outer conical wall of the conical base sleeve in a conical spiral manner. In the utility model, the conical base sleeve is arranged in the shell, the wall body for loading the resistor is formed between the conical base sleeve and the shell, wherein the resistor is in a conical spiral shape and sleeved outside the conical base sleeve, the heat dissipation fin plates are arranged on the inner conical wall of the conical base sleeve and the outer part of the shell, the heat generated by the resistor can be accelerated to be discharged outwards, and compared with the prior art, the resistor is arranged in the shell, and the heat dissipation fin structure is arranged outside the shell, so that the resistor has the advantage of greatly improving the heat dissipation efficiency of the resistor, and further avoids the situation that the resistor is overheated.

Description

Alloy resistor

Technical Field

The utility model relates to the technical field of resistors, in particular to an alloy resistor.

Background

The alloy resistor is used as a conventional high-power load electrical appliance and is widely used in various fields such as transportation, wind power generation, ships and the like. The common alloy resistor is arranged in the shell body with the resistor disc wholly, in order to improve the load capacity of the resistor, the densely arranged resistor disc is arranged in the shell body, in order to solve the heat dissipation problem, the heat conduction cement is usually arranged in the shell body, and then the heat dissipation fins are arranged outside the shell body, but the heat dissipation mode and the structural heat dissipation capacity of the outer surface layer of the shell body are small, and then the problem that the resistor is burnt out due to overheating easily occurs.

To this end, the utility model provides an alloy resistor.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides an alloy resistor, wherein a conical base sleeve is arranged in a shell, a resistor sheet positioned in the shell is sleeved on the conical base sleeve, one part of heat generated by the resistor sheet is discharged through the shell, the other part of heat is discharged through the inner wall of the conical base sleeve, and the heat dissipation efficiency of the resistor is greatly improved.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the alloy resistor comprises a shell, a resistor disc positioned in the shell and electrodes connected with two ends of the resistor disc, wherein a conical base sleeve is arranged in the shell, two ends of the conical base sleeve are connected with two ends of the shell in a sealing manner, the resistor disc is spirally sleeved on an outer conical wall of the conical base sleeve, and radiating fins are arranged on an outer surface wall of the shell and an inner conical wall of the conical base sleeve.

Furthermore, the shell is cylindrical, two ends of the shell are open, and the two ends of the conical base sleeve are respectively and fixedly connected with a left sealing disc and a right sealing disc which are in sealing connection with the shell.

Further, the periphery of left side seal dish and right seal dish is fixedly connected with left cover and right cover respectively, the outside of left cover and right cover all overlaps and is equipped with the sealed gum cover.

Further, the outer peripheral wall of the shell is fixedly connected with a positioning tube close to two ends, the electrode is sealed and sleeved in the positioning tube, one end of the electrode is electrically connected with the resistor disc, and the other end of the electrode is provided with a wire connecting hole.

Further, the resistor disc and the conical base sleeve are connected in an adhesive mode through an adhesive piece.

Further, the bonding piece is heat-conducting cement.

The utility model has the beneficial effects that: the utility model relates to an alloy resistor, which comprises a shell; a conical base sleeve; a left sealing disc; a left envelope; a right envelope; a right sealing disc; a positioning tube; a resistor sheet; an electrode; a wire connection hole; a heat radiation fin; sealing the rubber sleeve; and an adhesive member.

Set up conical base cover in the shell, constitute the wall body that is used for loading the resistance card between conical base cover and the shell, wherein the resistance card is the spiral form of awl and cover and establish in the outside of conical base cover, the inside awl wall of conical base cover and the outside of shell all are provided with the heat dissipation fin board, and this kind of setting can accelerate the heat that the resistance card produced and outwards discharge the speed, and this kind of setting places the resistance card in the shell relative to prior art, sets up the advantage of radiating fin's structure in the outside of shell, and then avoids the overheated condition to appear in the resistor.

Drawings

FIG. 1 is a schematic view of the structure of an alloy resistor after explosion deployment of a housing and a conical base sleeve according to the present utility model;

FIG. 2 is a schematic diagram of a conical base sleeve and resistor disc mating structure of an alloy resistor according to the present utility model;

FIG. 3 is a schematic illustration of an alloy resistor of the present utility model in which a housing and a conical base sleeve are combined;

in the figure: 1. a housing; 11. a conical base sleeve; 111. a left sealing disc; 1111. a left envelope; 1112. a right envelope; 112. a right sealing disc; 12. a positioning tube; 2. a resistor sheet; 3. an electrode; 31. a wire connection hole; 4. a heat radiation fin; 5. sealing the rubber sleeve; 6. and an adhesive member.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an alloy resistor, including shell 1, be located the resistance card 2 of shell 1 and with the electrode 3 that the resistance card 2 both ends are connected, electrode 3 and resistance card 2 electric connection, be provided with conical base cover 11 in the shell 1, conical base cover 11 both ends opening, the advantage that ventilates has, the both ends and the shell 1 both ends sealing connection of this conical base cover 11, resistance card 2 is the spiral cover of awl and establishes on conical base cover 11's outer cone wall, some heat transfer shell 1 when resistance card 2 generates heat, another part heat transfer inner cone base cover 11, conical base cover 11 adopts the material that the radiating effect is good to make, the outward appearance wall of shell 1 and the inner cone wall of conical base cover 11 all are provided with fin 4, fin 4 outwards discharges the heat that resistance card 2 produced, this kind of inside and outside radiating mode has improved the radiating speed greatly, avoid the overheated phenomenon of resistance card 2 to appear.

In this embodiment, the casing 1 is cylindrical and has two open ends, two ends of the conical base sleeve 11 are respectively and fixedly connected with a left sealing disc 111 and a right sealing disc 112 which are in sealing connection with the casing 1, wherein the peripheries of the left sealing disc 111 and the right sealing disc 112 are respectively and fixedly connected with a left sealing sleeve 1111 and a right sealing sleeve 1112, the outsides of the left sealing sleeve 1111 and the right sealing sleeve 1112 are respectively sleeved with a sealing rubber sleeve 5, and the sealing rubber sleeve 5 enables the casing 1 and the conical base sleeve 11 to be in sealing connection, so that the waterproof performance is achieved.

In this embodiment, the outer peripheral wall of the housing 1 is fixedly connected with the positioning tube 12 near two ends, the electrode 3 is sealed and sleeved in the positioning tube 12, one end of the electrode is electrically connected with the resistor disc 2, the other end of the electrode 3 is provided with a wire connecting hole 31, and the wire connecting hole 31 is used for plugging an external wire.

In this embodiment, the resistor 2 and the conical base 11 are adhesively connected by the adhesive member 6, the further adhesive member 6 is a heat-conducting cement, the heat-conducting cement fixes the resistor 2 on the conical base 11, and the heat-conducting cement has good heat conduction advantage, so that part of heat generated by the resistor 2 can be transferred to the conical base 11.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an alloy resistor, includes shell (1), is located resistance card (2) and electrode (3) of being connected with resistance card (2) both ends in shell (1), its characterized in that is provided with conical base cover (11) in shell (1), the both ends of this conical base cover (11) and the both ends sealing connection of shell (1), resistance card (2) are the spiral cover of awl and establish on the outer cone wall of conical base cover (11), the outward appearance wall of shell (1) and the interior cone wall of conical base cover (11) all are provided with fin (4).

2. An alloy resistor as claimed in claim 1, wherein: the shell (1) is cylindrical, two ends of the shell are open, and two ends of the conical base sleeve (11) are fixedly connected with a left sealing disc (111) and a right sealing disc (112) which are in sealing connection with the shell (1) respectively.

3. An alloy resistor as claimed in claim 2, wherein: the outer circumferences of the left sealing disc (111) and the right sealing disc (112) are respectively fixedly connected with a left sealing sleeve (1111) and a right sealing sleeve (1112), and sealing rubber sleeves (5) are sleeved outside the left sealing sleeve (1111) and the right sealing sleeve (1112).

4. An alloy resistor as claimed in claim 2, wherein: the outer peripheral wall of the shell (1) is fixedly connected with a positioning tube (12) close to two ends, the electrode (3) is arranged in the positioning tube (12) in a sealing mode, one end of the electrode is electrically connected with the resistor disc (2), and the other end of the electrode (3) is provided with a wire connecting hole (31).

5. An alloy resistor as claimed in claim 1, wherein: the resistor piece (2) and the conical base sleeve (11) are connected in an adhesive mode through the adhesive piece (6).

6. An alloy resistor as claimed in claim 5, wherein: the bonding piece (6) is made of heat-conducting cement.