CN221176075U - Solid-state relay - Google Patents

Abstract

The utility model relates to a solid-state relay, which comprises a shell, wherein the shell comprises a vertical frame, end covers and a heat conducting plate, wherein the end covers and the heat conducting plate are arranged at two opposite opening ends of the vertical frame, the vertical frame is close to one end of the end cover, at least two opposite first extending parts with elasticity are arranged, a plurality of clamping grooves are formed in the side face of the end cover, a bump is arranged at one end, close to the clamping groove, of the first extending part, the clamping groove is clamped in, the heat conducting plate is connected with a radiating fin, heat generated in the shell is directly transmitted to the radiating fin through the heat conducting plate for radiating, intermediate heat conducting parts are not needed, radiating efficiency is greatly improved, part of space is saved, and the radiating fin and the heat conducting plate are of an integrated structure, so that the installation steps are simplified.

Description

Solid-state relay

Technical Field

The utility model relates to the technical field of relays, in particular to a solid-state relay.

Background

The radiator belongs to a part of a solid state relay cooling system, and the structure of the radiator is usually a radiator body and a radiator clamping seat, and the radiator is directly brought into the radiator by high temperature generated during the working of the solid state relay and dissipates heat based on a heat conduction mode.

Most of the existing relay radiators are installed separately from the relay, wherein a part of the shell of the relay is made of heat conducting materials, heat in the relay is required to be transferred to the radiator through the heat conducting materials, and the heat dissipation mode has the following defects: 1. the heat is transferred along the heat conducting material for a time, so that the heat dissipation efficiency is reduced, and 2, the heat conducting material exists, so that additional installation space is required; 3. personnel are required to install the radiator on the relay, adding to the installation step.

In addition, the wiring terminal of current relay is mostly exposed on the product surface, needs to additionally set up the safety cover and protects the wiring terminal, and the safety cover can occupy certain space, and the existence of safety cover lets the wiring terminal become difficult to visit, leads to the wiring process more loaded down with trivial details and consuming time.

Disclosure of utility model

In view of the foregoing shortcomings of the prior art, it is an object of the present utility model to provide a solid state relay that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a solid state relay comprising:

The shell, the shell include stand the frame, set up in end cover and the heat-conducting plate of two relative open ends of stand the frame, stand the frame be close to the one end of end cover, set up two at least relative first extension in area elasticity, the side of end cover has seted up a plurality of draw-in grooves, first extension is close to the one end of draw-in groove is provided with the lug card and goes into the draw-in groove, the heat-conducting plate is connected with the fin, the heat that produces in the shell is directly given the fin heat dissipation through the heat-conducting plate transmission.

Further, the heat conducting plate is connected with a heat conducting fin, the heat radiating fin is arranged on the heat conducting fin, and a plurality of heat radiating fins are obliquely arranged in the heat conducting direction.

Further, saw tooth protrusions are arranged on the radiating fins.

Further, the heat conducting plate is far away from one end of the shell, a base is arranged, and a T-shaped groove is formed in one end of the base far away from the heat conducting plate.

Further, the heat conducting plate fixing device further comprises a fixing mechanism connected with the heat conducting plate, the fixing mechanism comprises a fixing plate, and a third extension part is arranged on the side face of the fixing plate.

Further, the fixed plate is far away from one end of the shell, a clamping folded edge and a sliding block are arranged, and a fixed groove is formed in the clamping folded edge and the sliding block relatively.

Further, an elastic piece is arranged between the fixed plate and the sliding block, and the elastic piece pushes the sliding block to slide towards the clamping folding edge.

Further, a plurality of second extending parts are arranged at one end, close to the heat conducting plate, of the vertical frame, and the side faces of the second extending parts are attached to the side faces of the heat conducting plate.

Further, an indicator lamp is arranged on the end cover, an output interface is arranged on the side face of the end cover, a wiring block is arranged at one end far away from the vertical frame, a control end interface is arranged on the wiring block, and an input interface is arranged on the wiring block in parallel with the end cover.

Compared with the prior art, the utility model has the following beneficial technical effects:

(1) According to the solid-state relay, the heat conducting plate of the radiator forms a part of the shell of the relay, heat in the shell can be directly transferred to the heat conducting plate and radiated by the radiating fins, intermediate heat conducting parts are not needed, the radiating efficiency is greatly improved, after the intermediate heat conducting parts are omitted, part of space can be saved, the radiating fins and the heat conducting plates are integrated, after the shell is assembled, the radiating equipment is installed, personnel are not needed to specially install the radiating equipment, and the installation step is simplified.

(2) Further, a plurality of fin slope setting to the heat conduction direction is the fishbone, has increased the radiating area of fin, helps the heat transfer, and is provided with the sawtooth arch on the fin, greatly increased the radiating surface area of fin, guaranteed radiating efficiency, be favorable to the long-time use of relay.

(3) Further, the heat conducting fin is connected with the fixing mechanism, the fixing mechanism is provided with the sliding block and the clamping folding edge, the clamping folding edge and the sliding block are provided with the clamping groove relatively, so that the heat conducting fin is convenient to hang on the guide rail, the sliding block is connected with the fixing mechanism through the elastic piece in a sliding mode, and the elastic piece pushes the sliding block to move towards the clamping folding edge, so that the relay is fixed on the guide rail.

Drawings

Fig. 1 shows a schematic perspective view of a solid-state relay according to a first embodiment of the present utility model.

Fig. 2 shows a schematic rear view of a solid-state relay according to a first embodiment of the present utility model.

Fig. 3 is a schematic perspective view of a fixing mechanism in a solid-state relay according to a first embodiment of the present utility model.

Fig. 4 is a schematic perspective view showing a neutral frame of a solid state relay according to a first embodiment of the present utility model.

The reference numerals in the drawings:

1. a housing; 11. a vertical frame; 111. a first extension; 112. a bump; 113. a second extension; 12. an end cap; 121. a clamping groove; 122. an output interface; 123. an indicator light; 13. a junction block; 131. a control end interface; 132. an input interface; 2. a heat conductive plate; 3. a heat conductive sheet; 4. a heat sink; 41. saw tooth protrusions; 5. a base; 51. a T-shaped groove; 6. a fixing mechanism; 61. a fixing plate; 611. a third extension; 612. clamping and folding edges; 613. a support part; 614. a fourth extension; 615. a fixing groove; 62. a slide block; 621. a limit groove; 622. a fifth extension; 63. an elastic member.

Detailed Description

For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it would be understood by those skilled in the art, and that any structural modifications, proportional changes, or dimensional adjustments made in the drawings should not be construed as limiting the utility model to the full scope of the utility model without affecting the efficiency or reach of the utility model.

In the description of the present utility model, the positional or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 1, a solid-state relay includes a housing 1, the housing 1 includes a vertical frame 11, end caps 12 and a heat-conducting plate 2 disposed at opposite ends of the vertical frame 11, the vertical frame 11 is close to one end of the end caps 12, at least two opposite elastic first extending portions 111 are disposed, a plurality of clamping grooves 121 are disposed on a side surface of the end caps 12, the first extending portions 111 are close to one end of the clamping grooves 121, a bump 112 is disposed to clamp the clamping grooves 121, the heat-conducting plate 2 is connected with a heat sink 4, and heat generated in the housing 1 is directly transferred to the heat sink 4 through the heat-conducting plate 2 for heat dissipation. Specifically, the first extension portion 111 has elasticity for the lug 112 can block into draw-in groove 121, and is difficult to directly pull out, can firmly connect upright frame 11 and end cover 12, only need the side extrusion lug 112 during the dismantlement can, need not to borrow the instrument and can accomplish the dismouting, easy operation, and heat conduction board 2 and fin 4 integrated into one piece, and the heat in the shell 1 can directly transmit for fin 4, and radiating efficiency is better, saves the space simultaneously, simplifies the installation.

The specific structures of the heat sink 4 and the heat conductive sheet 3 are described below:

Referring to fig. 1, the heat conducting plate 2 is connected with heat conducting fins 3, the heat dissipating fins 4 are disposed on the heat conducting fins 3, and a plurality of the heat dissipating fins 4 are disposed obliquely to the heat conducting direction. Specifically, when the distance that the heat sink 4 extends along the direction perpendicular to the heat conducting fin 3 is not changed, the heat sink 4 is obliquely arranged, so that the area of the heat sink 4 can be increased, the heat dissipation efficiency is improved, and the relay (not labeled in the figure) can be used for a long time.

Referring to fig. 1, the heat sink 4 is provided with saw-tooth protrusions 41. Specifically, the sawtooth protrusions 41 greatly increase the heat radiation surface area of the heat radiation fin 4, ensure heat radiation efficiency, and facilitate long-time use of the relay.

Referring to fig. 1, a base 5 is disposed at an end of the heat-conducting plate 2 away from the housing 1, and a T-shaped slot 51 is formed at an end of the base 5 away from the heat-conducting plate 2. Specifically, the base 5 is disposed on the heat conducting sheet 3 on the heat conducting plate 2, and the T-shaped groove 51 is used for engaging the fixing mechanism 6, so that the fixing mechanism 6 is fixed on the heat conducting sheet 3.

The specific structure of the fixing mechanism 6 is described below:

Referring to fig. 1 and 3, the heat conducting plate further includes a fixing mechanism 6 connected to the heat conducting plate 2, the fixing mechanism 6 includes a fixing plate 61, and a third extension portion 611 is disposed on a side surface of the fixing plate 61. Specifically, the fixing mechanism 6 and the third extension 611 are matched in a direction and slide into the T-shaped groove 51, and the screw (shown in the figure) connects the fixing mechanism 6 and the heat conducting strip 3, and further connects the fixing mechanism 6 and the heat conducting plate 2, so that the operation is simple.

Referring to fig. 2 and 3, a clamping flange 612 and a slider 62 are disposed at an end of the fixing plate 61 away from the housing 1, and a fixing groove 615 is disposed on the clamping flange 612 and the slider 62. Specifically, the two width ends of the guide rail (not shown in the figure) are respectively clamped into the fixing grooves 615, so that the fixing plate 61 is installed on the guide rail, the fixing plate 61 can randomly select the installation position along the direction of the guide rail, a person can conveniently adjust the installation position of the relay, and the clamping folded edges 612 can also transmit the gravity of the relay to the guide rail, so that the stability of connection is enhanced.

Referring to fig. 2 and 3, an elastic member 63 is disposed between the fixing plate 61 and the slider 62, and the elastic member 63 pushes the slider 62 to slide toward the engaging flange 612. Specifically, the fixing plate 61 is provided with a supporting portion 613 along the edge of the connecting line direction of the two clamping grooves 121, the supporting portion 613 is parallel to the fixing plate 61, the supporting portion 613 is provided with a fourth extending portion 614 along the direction of the housing 1, the sliding block 62 is arranged between the supporting portion 613 and the heat conducting strip 3, the sliding block 62 is in a U shape, the U-shaped bottom plate of the sliding block 62 is close to the heat conducting strip 3 and is provided with a limiting groove 621, the fourth extending portion 614 is inserted into the limiting groove 621, the U-shaped bottom of the sliding block 62 is provided with a sixth extending portion (not labeled in the figure) toward the supporting portion 613, the elastic member 63 is arranged between the sliding block 62 and the supporting portion 613, the two axial ends of the elastic member 63 respectively support against the fourth extending portion 614 and the sixth extending portion and have a stretching trend, under the pushing of the elastic member 63, the sliding block 62 has a moving trend toward the clamping portion 612, the elastic force of the elastic member 63 is matched with the fixing groove 615, the fixing mechanism 6 is clamped on the guide rail, the end of the sliding block 62 extending out of the fixing block is further provided with a fifth extending portion 622, the person overcomes the elastic force of the elastic member 63, the sliding block is moved toward the direction away from the fixing groove 622, and the fixing groove is not labeled in the fixing groove 615, or the distance between the two guide rails can be fixed by the two sides of the relay is not fixed along the fixing groove, and the relay is convenient to be removed, and the relay is easy to be moved by the operator.

The specific structure of the housing 1 is described below:

Referring to fig. 1 and 4, a plurality of second extending portions 113 are disposed at one end of the vertical frame 11 near the heat conducting plate 2, and the side surfaces of the plurality of second extending portions 113 are attached to the side surfaces of the heat conducting plate 2, so that the position of the heat conducting plate 2 relative to the vertical frame 11 can be rapidly positioned by means of the second extending portions 113, and the vertical frame 11 and the heat conducting plate 2 can be assembled by personnel conveniently.

Referring to fig. 1, the end cover 12 is provided with an indicator 123, an output interface 122 is provided on a side surface, a junction block 13 is provided at one end far away from the vertical frame 11, a control end interface 131 is provided on the junction block 13, and an input interface 132 is provided on the junction block 13 in parallel with the end cover 12. Specifically, the indicator lamp 123 is used for displaying the working state of the relay in real time, the output interface 122 is hidden on the side surface of the housing 1, the protective cover is not required to be arranged at the output interface 122, the size is reduced, the number of parts is reduced, the wiring process is simplified, the input interface 132 is parallel to the surface of the product, and the aesthetic degree of the product is improved.

The specific working procedure of the utility model is as follows:

During installation, a person connects the heat conducting plate 2 with the vertical frame 11 through screws, components (not shown in the figure) are installed on the heat conducting plate 2 in the vertical frame 11, the first extension part 111 of the vertical frame 11 is clamped into the end cover 12, the protruding block 112 is clamped into the clamping groove 121, and the sealed shell 1 is assembled at the moment; the fixing plate 61 is clamped into the T-shaped groove 51 and fastened by a screw, and the relay assembly is completed; the fifth extension part 622 is shifted in the direction away from the fixed plate 61, the sliding block 62 slides, the distance between the two fixed grooves 615 is enlarged, at the moment, the width edges of the fixed grooves 615 and the guide rail are opposite, the fifth extension part 622 is loosened, the elastic piece 63 pushes the sliding return, the two fixed grooves 615 are respectively clamped on two sides of the width of the main guide rail, and the relay is arranged on the guide rail; when the relay works, heat generated by the components in the shell 1 is transferred to the radiating fins 4 along the heat conducting plate 2 and the heat conducting fins 3, and is radiated by the radiating fins 4.

Therefore, the heat in the shell 1 can be directly transferred to the heat conducting plate 2, the heat is radiated by the radiator, the heat radiating efficiency is greatly improved without intermediate heat conducting parts, the space is saved after the intermediate heat conducting parts are omitted, the radiator and the shell 1 are of an integrated structure, the radiator is installed after the shell 1 is assembled, personnel are not required to specially install the radiator, the installation step is simplified, the output interface 122 is arranged on the side face of the shell 1 in a hidden mode, a protective cover is not required to be arranged at the output interface 122, the size is reduced, the number of parts is reduced, and the wiring process is simplified.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (9)

1. A solid state relay, characterized by: the heat dissipation device comprises a shell, wherein the shell comprises a vertical frame, end covers and heat conducting plates, wherein the end covers and the heat conducting plates are arranged at two opposite opening ends of the vertical frame, the vertical frame is close to one end of the end cover, at least two opposite first extending parts with elasticity are arranged on the side face of the end cover, a plurality of clamping grooves are formed in the side face of the end cover, the first extending parts are close to one ends of the clamping grooves, protruding blocks are arranged on the first extending parts to be clamped into the clamping grooves, the heat conducting plates are connected with radiating fins, and heat generated in the shell is directly transferred to the radiating fins through the heat conducting plates to dissipate heat.

2. The solid state relay of claim 1, wherein: the heat conducting plate is connected with a heat conducting fin, the heat radiating fin is arranged on the heat conducting fin, and a plurality of heat radiating fins are obliquely arranged in the heat conducting direction.

3. The solid state relay of claim 1, wherein: the radiating fin is provided with sawtooth bulges.

4. The solid state relay of claim 1, wherein: the heat conducting plate is far away from one end of the shell, a base is arranged, and a T-shaped groove is formed in one end of the base far away from the heat conducting plate.

5. The solid state relay of claim 1, wherein: the heat conducting plate is characterized by further comprising a fixing mechanism connected with the heat conducting plate, the fixing mechanism comprises a fixing plate, and a third extension part is arranged on the side face of the fixing plate.

6. The solid state relay of claim 5, wherein: the fixed plate is far away from one end of the shell, and is provided with a clamping hem and a sliding block, and fixing grooves are formed in the clamping hem and the sliding block relatively.

7. The solid state relay of claim 6, wherein: an elastic piece is arranged between the fixed plate and the sliding block, and the elastic piece pushes the sliding block to slide towards the clamping folded edge.

8. The solid state relay of claim 1, wherein: and one end of the vertical frame, which is close to the heat conducting plate, is provided with a plurality of second extension parts, and the side surfaces of the second extension parts are attached to the side surfaces of the heat conducting plate.

9. The solid state relay of claim 1, wherein: the end cover is provided with an indicator lamp, the side face of the end cover is provided with an output interface, one end far away from the vertical frame is provided with a wiring block, the wiring block is provided with a control end interface, and the wiring block is parallel to the end cover and is provided with an input interface.