CN219106012U - A Solid State Relay with Good Heat Dissipation Effect - Google Patents

Abstract

The utility model discloses a solid-state relay with good heat dissipation effect, which comprises a solid-state relay and a heat dissipation plate. The solid-state relay includes a relay body, one side of the relay body is fixedly connected with a contact piece, and the relay body is close to the contact piece. One side is provided with a mounting assembly, the mounting assembly includes a fixed bracket, one side of the fixed bracket is fixedly connected with a fixed block, one side of the backing plate is fixedly connected with a spring, and one side of the spring is fixedly connected with a protection A sleeve, one side of the protective sleeve is fixedly connected with a limit block, one side of the contact sheet is sleeved with a metal pipe, and the side of the contact sheet close to the metal pipe is provided with a threaded hole, and the threaded hole The middle thread is connected with the second fixing bolt, and the contact piece of the solid state relay is provided with a protective sleeve and a metal tube to protect the solid state relay, so as to prevent the cable from loosening and poor contact, and make the solid state relay more stable in use .

Description

A Solid State Relay with Good Heat Dissipation Effect

technical field

The utility model relates to the technical field of solid-state relays, in particular to a solid-state relay with good heat dissipation effect.

Background technique

The solid state relay is a non-contact switch composed of microelectronic circuits, discrete electronic devices, and power electronic power devices. The isolation device is used to realize the isolation between the control end and the load end. The input end of the solid state relay uses a small control signal to directly drive large Current load, but there are still some problems in the use of solid state relays commonly used at present:

1. Commonly used solid-state relay modules are connected by bolts fixing the cable between the pressure piece and the contact piece. However, after a long period of use, the cable is prone to loosening, resulting in poor contact, which affects the the normal use of the device;

2. The bottom surface of the common solid state relays in the market is usually flat and cannot have the effect of heat dissipation, which makes it difficult to fix the solid state relays on arc-shaped equipment. In addition, solid state relays are prone to appear when they are used for a long time. Overheating may affect the normal use of the device.

Utility model content

In order to overcome the above technical problems, the purpose of this utility model is to provide a solid state relay with good heat dissipation effect.

The purpose of this utility model can be realized through the following technical solutions:

A solid-state relay with good heat dissipation effect, comprising a relay body (101) and a heat dissipation plate (3), one side of the relay body (101) is fixedly connected with a contact piece (102), and the relay body (101) is provided with The assembly (2) is installed; the heat dissipation plate (3) is arc-shaped, the heat dissipation plate (3) is connected to the relay body (101), and the heat dissipation plate (3) is connected to the fixing bracket (201).

In the solid state relay with good heat dissipation effect, the installation component (2) includes a fixed bracket (201), and the bottom end of the fixed bracket (201) is fixedly connected with a bottom plate (202), and the bottom plate (202) The middle thread is connected with a first fixing bolt (203), one side of the fixing bracket (201) is fixedly connected with a fixing block (204), and the inner side of the fixing block (204) is fixed close to the side of the fixing bracket (201) A backing plate (205) is installed, a spring (206) is fixedly connected to one side of the backing plate (205), and a protective sleeve (207) is fixedly connected to one side of the spring (206), and the protective sleeve One side of (207) is fixedly connected to the limit block (208), and the contact piece (102) passes through the fixed bracket (201), backing plate (205), spring (206) and protective sleeve (207) in sequence.

In the solid state relay with good heat dissipation effect, a metal tube (209) is sleeved on one side of the contact piece (102), and a thread is provided on the side of the contact piece (102) close to the metal tube (209). hole (210), the middle thread of the threaded hole (210) is connected with a second fixing bolt (211), and one side of the second fixing bolt (211) is provided with a pressure plate (212); the metal pipe (209 ) is set on the side away from the contact piece (102) as a live opening; the position of the threaded hole (210) exceeds the wall surface of the fixing block (204) away from the side of the fixing bracket (201); the protection sleeve (207) is close to the limit One side of the block (208) is overlapped with the backing plate (205).

The beneficial effects of the utility model:

1. In order to solve the situation that the solid-state relay is prone to loose cables after long-term use, a protective sleeve and a metal tube are installed at the contact piece of the solid-state relay to protect the solid-state relay, so as to prevent the cable from loosening and poor contact. Make the solid state relay more stable when in use;

2. An arc-shaped heat sink is fixed on the bottom of the solid-state relay, which improves the difficulty of fixing the solid-state relay on the arc-shaped equipment, and also improves the problem that the relay cannot dissipate heat, making the solid-state relay more suitable for different equipment and improving The practicality of solid state relays.

When using the solid state relay 1, first move the heat sink 3 and the bottom plate 202 of the relay body 101 to a suitable position, and fix them with the first fixing bolt 203, and then push the protective sleeve 207 to compress the spring 206, when the protection When the sleeve 207 is attached to the backing plate 205, the protective sleeve 207 is just received into the fixing bracket 201 on the installation assembly 2, at this time the second fixing bolt 211 is exposed, and then the second fixing bolt 211 and the pressure plate 212 are removed with a tool , and pass the cable through the metal tube 209, when the cable falls above the threaded hole 210, it can be fixed with the pressure plate 212 and the second fixing bolt 211, and then the metal tube 209 is kept away from the opening on the side of the contact piece 102 with a tool Knead the cable at the middle of the metal tube 209, and loosen the protective sleeve 207. When the limit block 208 reaches the inner wall of the fixed block 204, the protective sleeve 207 just covers the metal tube 209 to complete the solid state relay. 1 installation.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is the enlarged schematic diagram of the structure of part A in Fig. 1 of the utility model;

Fig. 3 is a top view of the overall structure in the utility model;

Fig. 4 is a schematic diagram of the overall side structure of the utility model.

In the figure: 1, solid state relay; 2, installation component; 3, heat dissipation plate; 101, relay body; 102, contact piece; 201, fixed bracket; 202, bottom plate; 203, first fixing bolt; 204, fixing block; 206, spring; 207, protective sleeve; 208, limit block; 209, metal pipe; 210, threaded hole; 211, second fixing bolt; 212, pressure plate.

Implementation

As shown in Figure 1-4, a solid-state relay with good heat dissipation effect, the solid-state relay 1 includes a relay body 101 and a heat sink 3, one side of the heat sink 3 is set in an arc shape, and the other side of the heat sink 3 is connected to the relay body The bottom surface of 101 is bonded and connected, and the two ends of the cooling plate 3 are fixedly connected to the lower end of the fixed bracket 201, so that the solid state relay 1 is more suitable for most equipment, and it is also convenient for the solid state relay 1 to dissipate heat. The solid state relay 1 includes a relay body 101, One side of the relay body 101 is fixedly connected with a contact piece 102, and the contact piece 102 passes through the fixed bracket 201, the backing plate 205, the spring 206 and the protective sleeve 207 in turn, so that the contact piece 102 falls in the middle of the protective sleeve 207, which is convenient for The connection part has a protective effect, avoiding the loosening of the cable, thereby affecting the use of the solid state relay 1, and the side of the relay body 101 close to the contact piece 102 is provided with a mounting component 2;

The mounting assembly 2 includes a fixed bracket 201, the bottom of the fixed bracket 201 is fixedly connected with a base plate 202, the middle of the base plate 202 is threaded with a first fixing bolt 203, one side of the fixed bracket 201 is fixedly connected with a fixed block 204, and the inside of the fixed block 204 A backing plate 205 is fixedly installed near the side of the fixed bracket 201, a spring 206 is fixedly connected to one side of the backing plate 205, a protective sleeve 207 is fixedly connected to one side of the spring 206, and a side of the protective sleeve 207 is close to the limit block 208. The side overlaps with the backing plate 205, so that the protective sleeve 207 can shrink into the fixed block 204, so that the metal tube 209 is exposed, so as to avoid affecting the use of the solid state relay 1, and one side of the protective sleeve 207 is fixedly connected with the limit block 208 , one side of the contact piece 102 is sleeved with a metal tube 209, and the side of the metal tube 209 away from the contact piece 102 is set as a live opening, which is convenient for kneading the live opening with a tool, convenient for fixing the cable, and preventing the cable from falling off. Thereby affecting the use of the solid state relay 1, the contact piece 102 is provided with a threaded hole 210 on the side close to the metal tube 209, and the position of the threaded hole 210 exceeds the wall surface of the fixed block 204 away from the fixed bracket 201, so as to avoid being blocked by the protective sleeve 207 The position of the threaded hole 210 makes it impossible to take out the second fixing bolt 211, so that the cable cannot be fixed or disassembled, thereby affecting the use of the solid state relay 1. The middle thread of the threaded hole 210 is connected with the second fixing bolt 211, and the second fixing bolt 211 One side is provided with a pressing plate 212, and a through hole is opened in the middle of the pressing plate 212, and the through hole fits with the second fixing bolt 211, so that the pressing plate 212 presses the cable to the contact piece 102, which is convenient for the second fixing bolt 211 to fix it, so that The cables are fixed more securely.

Claims (3)

1. A solid state relay with good heat dissipation, comprising: relay body (101) and heating panel (3), characterized by: one side of the relay body (101) is fixedly connected with a contact piece (102), and the relay body (101) is provided with a mounting assembly (2); the heat dissipation plate (3) is arc-shaped, the heat dissipation plate (3) is connected with the relay body (101), and the heat dissipation plate (3) is connected with the fixed support (201).

2. The solid state relay with good heat dissipation effect according to claim 1, wherein: the mounting assembly (2) comprises a fixing support (201), a bottom end fixedly connected with bottom plate (202) of the fixing support (201), a first fixing bolt (203) is connected to middle threads of the bottom plate (202), a fixing block (204) is fixedly connected to one side of the fixing support (201), a base plate (205) is fixedly arranged on one side, close to the fixing support (201), of the inner side of the fixing block (204), a spring (206) is fixedly connected to one side of the base plate (205), a protective sleeve (207) is fixedly connected to one side of the spring (206), a limiting block (208) is fixedly connected to one side of the protective sleeve (207), and the contact piece (102) sequentially penetrates through the fixing support (201), the base plate (205), the spring (206) and the protective sleeve (207).

3. The solid state relay with good heat dissipation effect according to claim 2, wherein: a metal pipe (209) is sleeved on one side of the contact piece (102), a threaded hole (210) is formed in one side, close to the metal pipe (209), of the contact piece (102), a second fixing bolt (211) is connected to the middle of the threaded hole (210) in a threaded mode, and a pressing plate (212) is arranged on one side of the second fixing bolt (211); one side of the metal tube (209) far away from the contact piece (102) is provided with a loose mouth; the position of the threaded hole (210) exceeds the wall surface of one side of the fixed block (204) away from the fixed bracket (201); one side of the protective sleeve (207) close to the limiting block (208) is overlapped with the backing plate (205).

Images