High-voltage resistor

Abstract

The utility model provides a high-voltage resistor and relates to the field of resistors. The high-voltage resistor comprises a protective shell and a resistor body, a protective cover is arranged above the protective shell, fixing mechanisms for fixing the resistor body are arranged in the protective shell at equal intervals, each fixing mechanism comprises a movable plate and a temperature conduction soft cushion, the surface of each movable plate is fixedly connected with a supporting seat, and the surface of each supporting seat is fixedly connected with the corresponding temperature conduction soft cushion. The bottom face of the protective cover is fixedly connected with a heat dissipation water tank, the heat conduction cushion is fixedly connected with the heat dissipation water tank, and a cold water pipe is arranged in the heat dissipation water tank. According to the high-voltage resistor, the resistor body is protected through the protection shell and the protection cover, the resistor body is supported and fixed through the movable plate and the supporting seat, high temperature generated by the resistor body is transmitted out through the temperature conduction cushion, the resistor body is cooled through the heat dissipation water tank, and liquid in the heat dissipation water tank is cooled through the cold water pipe; and the resistor body is fixed and cooled, so that the stability of the resistor body is improved.

Description

Technical Field

[0001] The utility model relates to a resistor, in particular to a high-voltage resistor, belonging to the technical field of resistors. Background Art

[0002] Resistors are generally called resistors in daily life. It is a current limiting element. After the resistor is connected to the circuit, the resistance of the resistor is fixed. Generally, it has two pins. It can limit the current through the branch it is connected to. The resistor whose resistance cannot be changed is called a fixed resistor. The resistor whose resistance can be changed is called a potentiometer or a variable resistor.

[0003] The utility model with patent number CN212380213U relates to a high-voltage resistor, including a bracket, a terminal, a metal pull rod, a resistor body and an insulating ceramic tube, wherein the resistor body is evenly wound on the insulating ceramic tube, the two ends of the insulating ceramic tube are fixed on the bracket, the terminal is arranged at both ends of the insulating ceramic tube, and the metal pull rod is located inside the insulating ceramic tube. The intermediate insulating member separates the metal pull rod, thereby insulating and isolating the brackets at both ends, preventing the high voltage between the two terminals from discharging through the bracket and the metal pull rod, so that ordinary resistors can be used in high-voltage occasions, with low technical transformation costs, and still using the existing manufacturing process of ordinary resistors, with simple structure and convenient installation.

[0004] High-voltage resistors are used in power systems. Although the device in the above patent is easy to install, the high-voltage resistor itself has weak protection capabilities and is easily shaken and displaced by external collisions. In addition, the high-voltage resistor itself generates a lot of heat, which will affect the normal operation of the resistor. For this reason, we provide a high-voltage resistor to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the present utility model is to provide a high voltage resistor in order to solve the above problems, so as to solve the problem of poor resistor protection in the reference document.

[0007] (II) Technical solution

[0008] The utility model is realized through the following technical scheme: a high-voltage resistor.

[0009] It includes a protective shell and a resistor body, a protective cover is arranged on the top of the protective shell, a fixing mechanism for equidistantly arranging and fixing the resistor body is arranged inside the protective shell, the fixing mechanism includes a movable plate and a thermal conductive pad, the surface of the movable plate is fixedly connected to a support seat, the bottom surface of the protective cover is fixedly connected to a heat dissipation water tank, and the thermal conductive pad is fixedly connected to the heat dissipation water tank, a cold water pipe is arranged inside the heat dissipation water tank, and the top end of the cold water pipe passes through the protective cover and is fixedly connected to the protective cover.

[0010] Preferably, a spring shock absorber is fixedly connected to the bottom surface of the movable plate, and the bottom end of the spring shock absorber is fixedly connected to the protective shell. The spring shock absorber is used to dampen the movable plate, thereby improving the stability of the operation of the resistor body.

[0011] Preferably, a heat-resistant pad is fixedly connected to the surface of the support seat, and the heat-resistant pad abuts against the surface of the resistor body, and the thermal conductive soft pad abuts against the surface of the resistor body. The heat-resistant pad improves the fixing ability of the support seat to the resistor body and can provide a certain supporting ability to the resistor body.

[0012] Preferably, a slide groove is provided inside the protective shell, a slider is slidably connected inside the slide groove, and the slider is fixedly connected to the movable plate, and the movable plate is fixed by the slide groove and the slider to prevent the movable plate from shaking randomly.

[0013] Preferably, a baffle is fixedly connected to the surface of the movable plate, an insulating block is slidably connected to the inside of the protective shell, and the insulating block is slidably connected to the pins of the resistor body. The baffle is used to fix the two ends of the resistor body to improve the operating stability of the resistor body.

[0014] Preferably, a fixing buckle is fixedly connected to the surface of the cold water pipe, and the fixing buckle is fixedly connected to the heat dissipation water tank. The cold water pipe is fixed to the heat dissipation water tank through the fixing buckle, thereby improving the stability of the device operation.

[0015] Preferably, a fixing plate is fixedly connected to the surface of the protective shell, and a buckle for fixing the protective shell is hingedly connected to the surface of the protective cover, and the protective cover and the protective shell are fixed together by the buckle.

[0016] The utility model provides a high voltage resistor, which has the following beneficial effects:

[0017] 1. The high-voltage resistor protects the resistor body through a protective shell and a protective cover, supports and fixes the resistor body through a movable plate and a support seat, transmits the high temperature generated by the resistor body through a thermal conductive cushion, cools and dissipates the heat of the resistor body through a heat dissipation water tank, and cools the liquid inside the heat dissipation water tank through a cold water pipe. Through the above devices, the resistor body is fixed and dissipated, thereby improving the stability of the operation of the resistor body.

[0018] 2. The high-voltage resistor uses spring shock absorption to absorb shock to the movable plate, thereby improving the stability of the operation of the resistor body. The heat-resistant pad is used to improve the fixing ability of the support seat to the resistor body and can provide a certain support ability for the resistor body. The movable plate is fixed by the slide groove and the slider to prevent the movable plate from shaking at will. The two ends of the resistor body are fixed by the baffle to improve the operating stability of the resistor body. The pins of the resistor body are isolated by the insulating block, and the resistor body and the protective shell are blocked. The cold water pipe is fixed to the heat dissipation water tank by the fixing buckle to improve the stability of the device operation. The protective shell is installed on the equipment by the fixing plate, and the protective cover is fixed to the protective shell by the buckle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the heat dissipation water tank of the utility model;

[0022] Figure 4 For this utility model Figure 1 A-section structure enlarged view.

[0023]

Main component symbol description

[0024] 1. Protective shell; 2. Protective cover; 3. Resistor body;

[0025] 4. Fixing mechanism; 401. movable plate; 402. support seat; 403. heat-resistant pad; 404. spring shock absorber; 405. slide groove; 406. slider; 407. baffle; 408. insulation block; 409. thermal conductive pad;

[0026] 5. Radiator tank; 6. Cold water pipe; 7. Fixing buckle; 8. Fixing plate; 9. Clip. DETAILED DESCRIPTION

[0027] An embodiment of the utility model provides a high-voltage resistor.

[0028] See also Figure 1 , including a protective shell 1 and a resistor body 3, a protective cover 2 is arranged above the protective shell 1, and the resistor body 3 is protected by the protective shell 1 and the protective cover 2.

[0029] A fixing plate 8 is fixedly connected to the surface of the protective shell 1, and a buckle 9 for fixing the protective shell 1 is hingedly connected to the surface of the protective cover 2. The protective shell 1 is installed on the device through the fixing plate 8, and the protective cover 2 is fixed to the protective shell 1 through the buckle 9.

[0030] See also Figure 2 and Figure 4 A fixing mechanism 4 for fixing the resistor body 3 arranged equidistantly is arranged inside the protective shell 1. The fixing mechanism 4 includes a movable plate 401 and a thermal conductive pad 409. A support seat 402 is fixedly connected to the surface of the movable plate 401. The resistor body 3 is supported and fixed by the movable plate 401 and the support seat 402. The high temperature generated by the resistor body 3 is transferred out through the thermal conductive pad 409.

[0031] The bottom surface of the movable plate 401 is fixedly connected with a spring shock absorber 404, and the bottom end of the spring shock absorber 404 is fixedly connected to the protective shell 1. The spring shock absorber 404 is used to dampen the movable plate 401, thereby improving the operating stability of the resistor body 3.

[0032] A heat-resistant pad 403 is fixedly connected to the surface of the support seat 402, and the heat-resistant pad 403 abuts against the surface of the resistor body 3, and the thermal conductive pad 409 abuts against the surface of the resistor body 3. The heat-resistant pad 403 improves the fixing ability of the support seat 402 to the resistor body 3 and can provide a certain supporting ability to the resistor body 3.

[0033] A slide groove 405 is provided inside the protective shell 1, and a slider 406 is slidably connected inside the slide groove 405, and the slider 406 is fixedly connected to the movable plate 401. The movable plate 401 is fixed by the slide groove 405 and the slider 406 to prevent the movable plate 401 from shaking at will.

[0034] A baffle 407 is fixedly connected to the surface of the movable plate 401, an insulating block 408 is slidably connected to the inside of the protective shell 1, and the insulating block 408 is slidably connected to the pins of the resistor body 3. The baffle 407 is used to fix the two ends of the resistor body 3 to improve the operating stability of the resistor body 3. The insulating block 408 is used to isolate the pins of the resistor body 3 and block the resistor body 3 from the protective shell 1.

[0035] See also Figure 3 The bottom surface of the protective cover 2 is fixedly connected with a heat dissipation water tank 5, and the temperature conductive pad 409 is fixedly connected to the heat dissipation water tank 5. A cold water pipe 6 is arranged inside the heat dissipation water tank 5, and the top end of the cold water pipe 6 passes through the protective cover 2 and is fixedly connected with the protective cover 2. Both ends of the cold water pipe 6 are fixedly connected with external cooling water pipes. Through an external water pump, the external cooled liquid is introduced into the cold water pipe 6 to cool the liquid inside the heat dissipation water tank 5. Through the heat dissipation water tank 5, the resistor body 3 is cooled and dissipated, and through the cold water pipe 6, the liquid inside the heat dissipation water tank 5 is cooled.

[0036] The surface of the cold water pipe 6 is fixedly connected with a fixing buckle 7, and the fixing buckle 7 is fixedly connected to the heat dissipation water tank 5. Through the fixing buckle 7, the cold water pipe 6 is fixed to the heat dissipation water tank 5, thereby improving the stability of the device operation.

[0037] When the utility model is in use: first, the pins of the resistor body 3 are passed through the insulating block 408, and then the resistor body 3 is placed on the surface of the heat-resistant pad 403, the insulating block 408 is placed inside the groove of the protective shell 1, and then the protective cover 2 is placed on the surface of the protective shell 1, the thermal conductive pad 409 is in contact with the resistor body 3, and the protective cover 2 and the protective shell 1 are fixed together by the buckle 9, and the cooled water is introduced into the cold water pipe 6 by an external water pump to cool the liquid inside the heat dissipation water tank 5, and the resistor body 3 is cooled and dissipated by the heat dissipation water tank 5, and the spring shock absorber 404 is used to dampen the movable plate 401 to improve the stability of the operation of the resistor body 3, and the resistor body 3 is fixed and dissipated by the above device, thereby improving the stability of the operation of the resistor body 3.

[0038] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high voltage resistor, comprising a protective housing (1) and a resistor body (3), characterized in that: A protective cover (2) is arranged above the protective shell (1), and a fixing mechanism (4) for equidistantly arranged fixed resistor bodies (3) is arranged inside the protective shell (1), and the fixing mechanism (4) comprises a movable plate (401) and a thermal conductive pad (409), and the surface of the movable plate (401) is fixedly connected to a support seat (402), and the bottom surface of the protective cover (2) is fixedly connected to a heat dissipation water tank (5), and the thermal conductive pad (409) is fixedly connected to the heat dissipation water tank (5), and a cold water pipe (6) is arranged inside the heat dissipation water tank (5), and the top end of the cold water pipe (6) passes through the protective cover (2) and is fixedly connected to the protective cover (2).

2. A high voltage resistor according to claim 1, characterized in that: The bottom surface of the movable plate (401) is fixedly connected to a spring shock absorber (404), and the bottom end of the spring shock absorber (404) is fixedly connected to the protective shell (1).

3. A high voltage resistor according to claim 1, characterized in that: A heat-resistant pad (403) is fixedly connected to the surface of the support seat (402), and the heat-resistant pad (403) abuts against the surface of the resistor body (3), and the thermal conductive pad (409) abuts against the surface of the resistor body (3).

4. A high voltage resistor according to claim 1, characterized in that: A sliding groove (405) is provided inside the protective shell (1), a sliding block (406) is slidably connected inside the sliding groove (405), and the sliding block (406) is fixedly connected to the movable plate (401).

5. A high voltage resistor according to claim 1, characterized in that: A baffle (407) is fixedly connected to the surface of the movable plate (401), an insulating block (408) is slidably connected to the interior of the protective housing (1), and the insulating block (408) is slidably connected to the pins of the resistor body (3).

6. A high voltage resistor according to claim 1, characterized in that: A fixing buckle (7) is fixedly connected to the surface of the cold water pipe (6), and the fixing buckle (7) is fixedly connected to the heat dissipation water tank (5).

7. A high voltage resistor according to claim 1, characterized in that: A fixing plate (8) is fixedly connected to the surface of the protective shell (1), and a buckle (9) for fixing the protective shell (1) is hingedly connected to the surface of the protective cover (2).

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