CN216873681U

CN216873681U - Heat radiator for solid state relay

Info

Publication number: CN216873681U
Application number: CN202123323896.1U
Authority: CN
Inventors: 饶明辉; 杨志威; 沈嘉梁
Original assignee: XIAMEN JINXINRONG ELECTRONIC CO Ltd
Current assignee: XIAMEN JINXINRONG ELECTRONIC CO Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-01
Anticipated expiration: 2031-12-27

Abstract

The utility model provides a heat dissipation device of a solid-state relay, and belongs to the technical field of heat dissipation devices. The heat dissipation device comprises a heat dissipation device shell, wherein a cover plate is arranged on one side of the heat dissipation device shell, a solid-state relay is arranged in the heat dissipation device shell, and an adaptive protection heat dissipation device is arranged on the heat dissipation device shell around the solid-state relay. The utility model can fix different solid relays by adjusting the distance between the moving blocks, and simultaneously designs the damping structure corresponding to the supporting block and the shell of the heat dissipation device, thereby increasing the protection of the solid relays.

Description

Heat radiator for solid state relay

Technical Field

The utility model provides a heat dissipation device of a solid-state relay, and belongs to the technical field of heat dissipation devices.

Background

The solid-state relay is a new type of contactless switch device composed entirely of solid-state electronic components, and it uses the switching characteristics of the electronic components to achieve the purpose of connecting and disconnecting the circuit without contact and spark, so it is also called "contactless switch". The solid-state relay is a four-terminal active device, wherein two terminals are input control terminals, and the other two terminals are output controlled terminals. It has both amplifying and driving action and isolating action, is suitable for driving high-power switch type actuating mechanism, and has higher reliability, no contact, long service life, fast speed and less interference to outside world, and has been widely used. In the aspect of the heat dissipation of solid state relay, most heat dissipation tools only consider carrying out water-cooling or forced air cooling for solid state relay, but because solid state relay kind also has a lot, can not every matching that can both be fine will cause the unsatisfactory condition of heat abstractor's radiating effect, also have the clearance between the solid state relay simultaneously, shake takes place easily, influences life, needs the solution.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat dissipation device of a solid-state relay, aiming at solving the problems. In order to solve the problems, the provided technical scheme is as follows: a heat dissipation device of a solid-state relay comprises a heat dissipation device shell, wherein a cover plate is arranged on one side of the heat dissipation device shell, the solid-state relay is arranged in the heat dissipation device shell, an adaptive protection heat dissipation device is arranged on the heat dissipation device shell and surrounds the solid-state relay, the adaptive protection heat dissipation device comprises an opening which is arranged below the heat dissipation device shell, first grooves are symmetrically arranged at the opening, supporting blocks are arranged at the opening of the heat dissipation device shell in a sliding mode, extending plates are symmetrically arranged on the supporting blocks, the extending plates are symmetrically arranged on the first grooves, springs are arranged on the upper side and the lower side of one end, extending into the first grooves, of each extending plate, the other ends of the springs are fixedly connected with the inner wall of the first grooves, the supporting blocks are in contact with the solid-state relay, a transmission rod is inserted into one side, away from the opening, of the heat dissipation device shell, and a reinforcing block is arranged on the inner top surface of the heat dissipation device shell, the reinforcing block downside symmetry is equipped with recess two, be equipped with double thread screw rod between the recess two, the position threaded connection that double thread screw rod is located recess two is equipped with the movable block, the movable block extends the one end of recess two and contacts each other with solid-state relay, the reinforcing block is located and is equipped with the cavity between two recess two, the one end that double thread screw rod is located the cavity is equipped with bevel gear one, the one end that the transfer line extends into the cavity is equipped with bevel gear two, bevel gear one and bevel gear two intermeshing, heat abstractor shell one side is equipped with the fan, one side that the fan was kept away from to the heat abstractor shell is equipped with a plurality of air outlets.

Furthermore, a plurality of metal heat conducting rods are arranged on the supporting block, so that heat can be conveniently conducted out.

Furthermore, four terminals of the solid-state relay extend downwards to form supporting blocks, so that the solid-state relay is conveniently connected with an external power supply.

Furthermore, a plurality of through holes are formed in one end, located outside the groove, of the moving block, and spongy cushions are arranged on opposite surfaces of the moving block to protect the solid-state relay.

Furthermore, the heat abstractor shell is located the fan outside and is equipped with filter screen one, prevents that mosquito debris from getting into.

Furthermore, the heat abstractor shell is located the air outlet and is equipped with filter screen two, prevents that mosquito debris from getting into.

Furthermore, a knob is arranged at one end, located outside the shell of the heat dissipation device, of the transmission rod, so that the transmission rod is convenient to control.

Furthermore, a power line is arranged on one side of the heat dissipation device shell and electrically connected with the fan.

Furthermore, one side of the reinforcing block, which is close to the inner top surface of the shell of the heat dissipation device, is provided with an elastic material.

The utility model has the advantages that:

the utility model can fix different solid relays by adjusting the distance between the moving blocks, and simultaneously designs the damping structure corresponding to the supporting block and the shell of the heat dissipation device, thereby increasing the protection of the solid relays.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device of a solid-state relay according to the present invention.

Fig. 2 is a schematic diagram of a cavity of a heat sink of a solid-state relay according to the present invention.

As shown in the figure:

1. the heat dissipation device comprises a heat dissipation device shell, 2, a solid-state relay, 3, an opening, 4, a first groove, 5, a supporting block, 6, an extension plate, 7, a spring, 8, a transmission rod, 9, a reinforcing block, 10, a second groove, 11, a double-thread screw rod, 12, a moving block, 13, a cavity, 14, a first bevel gear, 15, a second bevel gear, 16, a fan, 17, an air outlet, 18, a metal heat conduction rod, 19, a through hole, 20, a spongy cushion, 21, a first filter screen, 22, a second filter screen, 23, a knob, 24, a power line, 25 and elastic materials.

Detailed Description

The utility model will be further explained with reference to the drawings.

According to all the figures:

a heat dissipation device of a solid-state relay comprises a heat dissipation device shell 1, wherein a cover plate is arranged on one side of the heat dissipation device shell 1, a solid-state relay 2 is arranged in the heat dissipation device shell 1, an adaptive protection heat dissipation device is arranged on the heat dissipation device shell 1 around the solid-state relay 2 and comprises an opening 3 positioned below the heat dissipation device shell 1, a groove I4 is symmetrically arranged at the opening 3, a supporting block 5 is arranged at the opening 3 of the heat dissipation device shell 1 in a sliding mode, an extension plate 6 is symmetrically arranged on the supporting block 5 close to the groove I4, springs 7 are symmetrically arranged on the upper side and the lower side of one end, extending into the groove I4, of the extension plate 6, the other end of each spring 7 is fixedly connected with the inner wall of the groove I4, the supporting block 5 is mutually contacted with the solid-state relay 2, and a transmission rod 8 is inserted and arranged on one side, far away from the opening 3, of the heat dissipation device shell 1, the internal top surface of the heat dissipation device shell 1 is provided with a reinforcing block 9, the lower side surface of the reinforcing block 9 is symmetrically provided with two grooves 10, a double-thread screw 11 is arranged between the two grooves 10, the part, located in the two grooves 10, of the double-thread screw 11 is connected with a moving block 12 in a threaded manner, one end, extending out of the two grooves 10, of the moving block 12 is in mutual contact with the solid-state relay 2, a cavity 13 is formed between the two grooves 10 of the reinforcing block 9, one end, located in the cavity 13, of the double-thread screw 11 is provided with a bevel gear I14, one end, extending into the cavity 13, of the transmission rod 8 is provided with a bevel gear II 15, the bevel gear I14 and the bevel gear II 15 are meshed with each other, one side of the heat dissipation device shell 1 is provided with a fan 16, and one side, away from the fan 16, of the heat dissipation device shell 1 is provided with a plurality of air outlets 17.

Furthermore, a plurality of metal heat conducting rods 18 are arranged on the supporting block 5, so that heat can be conveniently conducted out.

Furthermore, four terminals of the solid-state relay 2 extend downwards to form supporting blocks 5, so that the solid-state relay is conveniently connected with an external power supply.

Furthermore, one end of the moving block 12, which is located outside the second groove 10, is provided with a plurality of through holes 19, and sponge pads 20 are arranged on opposite surfaces of the moving block 12 to protect the solid-state relay 2.

Furthermore, a filter screen I21 is arranged on the outer side of the fan 16 of the heat dissipation device shell 1 to prevent the entry of mosquito and other foreign matters.

Furthermore, a second filter screen 22 is arranged at the air outlet 17 of the heat dissipation device shell 1 to prevent the entry of mosquito and other impurities.

Further, a knob 23 is arranged at one end of the transmission rod 8, which is located outside the heat sink shell 1, so that the transmission rod 8 can be conveniently controlled.

Further, a power cord 24 is disposed on one side of the heat sink housing 1, and the power cord 24 is electrically connected to the fan 16.

Further, the reinforcing block 9 is provided with an elastic material 25 on a side thereof close to the inner top surface of the heat sink housing 1.

The utility model is implemented as follows:

open the apron, put solid state relay 2 on supporting shoe 5, then rotatory knob 23, it is rotatory to drive transfer line 8, it is rotatory to drive bevel gear 14 and bevel gear two 15, it is rotatory to drive double thread screw rod 11, it removes to drive movable block 12, slowly press from both sides solid state relay 2 tightly, cover the apron, terminal through solid state relay 2 is connected with external electrical apparatus, realize solid state relay 2's work, be connected power cord 24 and power, 16 circular telegram work of fan, lower the temperature for solid state relay 1, when meetting vibrations, some vibrations can be cushioned to foam-rubber cushion 20, extension board 6 on the supporting shoe 5 simultaneously, can be fine through the some vibrations of alleviating of spring 7.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a heat abstractor of solid state relay which characterized in that: the heat dissipation device comprises a heat dissipation device shell, a cover plate is arranged on one side of the heat dissipation device shell, a solid-state relay is arranged in the heat dissipation device shell, an adaptive protection heat dissipation device is arranged on the heat dissipation device shell and surrounds the solid-state relay, the adaptive protection heat dissipation device comprises an opening which is arranged below the heat dissipation device shell, grooves I are symmetrically arranged at the opening, a supporting block is arranged at the position, located at the opening, of the heat dissipation device shell in a sliding mode, an extension plate is symmetrically arranged on the position, close to the grooves I, of the supporting block, springs are symmetrically arranged on the upper side and the lower side of one end, extending into the grooves I, of the extension plate, the other end of each spring is fixedly connected with the inner wall of the corresponding groove I, the supporting block is in contact with the solid-state relay, a transmission rod is inserted into one side, away from the opening, of the heat dissipation device shell, a reinforcing block is arranged on the inner top surface of the heat dissipation device shell, and a groove II is symmetrically arranged on the lower side of the reinforcing block, the double-thread cooling device comprises two grooves II, a moving block is arranged between the two grooves II in a threaded connection mode, one end, extending out of the two grooves II, of the moving block is in contact with a solid-state relay, a reinforcing block is arranged between the two grooves II and provided with a cavity, a first bevel gear is arranged at one end, located in the cavity, of the double-thread screw, a second bevel gear is arranged at one end, extending into the cavity, of a transmission rod, the first bevel gear is meshed with the second bevel gear, a fan is arranged on one side of a cooling device shell, and a plurality of air outlets are formed in one side, away from the fan, of the cooling device shell.

2. The heat dissipation device of a solid-state relay according to claim 1, wherein: and a plurality of metal heat conducting rods are arranged on the supporting block.

3. The heat dissipation device of a solid-state relay according to claim 1, wherein: and supporting blocks extend downwards from four terminals of the solid-state relay.

4. The heat dissipation device of a solid-state relay according to claim 1, wherein: the end of the moving block, which is positioned outside the groove, is provided with a plurality of through holes, and the opposite surfaces of the moving block are provided with sponge pads.

5. The heat dissipation device of a solid-state relay according to claim 1, wherein: and a first filter screen is arranged on the outer side of the fan of the heat dissipation device shell.

6. The heat dissipation device of a solid-state relay according to claim 1, wherein: and a second filter screen is arranged at the air outlet of the heat dissipation device shell.

7. The heat dissipation device of a solid-state relay according to claim 1, wherein: and a knob is arranged at one end of the transmission rod, which is positioned outside the shell of the heat dissipation device.

8. The heat dissipation device of a solid-state relay according to claim 1, wherein: and a power line is arranged on one side of the heat dissipation device shell and is electrically connected with the fan.

9. The heat dissipation device of a solid-state relay according to claim 1, wherein: and one side of the reinforcing block, which is close to the inner top surface of the shell of the heat dissipation device, is provided with an elastic material.