CN220753311U

CN220753311U - Solid-state relay

Info

Publication number: CN220753311U
Application number: CN202321888064.0U
Authority: CN
Inventors: 陆建平; 陆天豪; 李清
Original assignee: Wuxi Tianhao Electron Co ltd
Current assignee: Wuxi Tianhao Electron Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-04-09
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a solid-state relay, which comprises a device body, four groups of screws and four groups of wires, wherein the wires comprise an outer skin and a wire, the device body is provided with four groups of contact pieces, the working ends of the screws penetrate through a pressing plate and the contact pieces and extend into the device body, the device body is provided with four groups of limiting mechanisms, each limiting mechanism comprises a limiting assembly and a moving assembly, each limiting assembly comprises an outer ring and an inserting plate, the outer ring is fixed on the outer part of the screw, a plurality of groups of slots are formed in the outer ring, and one end of each inserting plate penetrates into the slots; according to the utility model, the screw can be conveniently limited in use through the designed limiting mechanism, so that loosening caused by rotation of the screw in subsequent use is prevented, the loosening condition of the pressed wire is caused, the stability of connection between the wire and the solid-state relay is improved, and the use effect of the solid-state relay is improved.

Description

Solid-state relay

Technical Field

The utility model belongs to the technical field of solid-state relays, and particularly relates to a solid-state relay.

Background

The solid-state relay is a contactless switch composed of microelectronic circuit, discrete electronic device and power electronic power device, and uses isolation device to implement isolation of control end and load end, the input end of the solid-state relay uses a tiny control signal to directly drive a large current load, so that the safety is high and the effect is good.

When the existing solid-state relay is used, the end part of a wire on the electric wire is placed between the contact piece and the pressing plate, then the screw is screwed to enable the pressing plate to press the wire, so that the electric wire is installed on the solid-state relay, but in the use process, the screw is loosened when the screw rotates, the pressing plate is loosened, at the moment, the pressed wire is loosened, connection between the electric wire and the solid-state relay is affected, poor contact occurs, and the use stability of the solid-state relay is affected.

Disclosure of Invention

The utility model aims to provide a solid-state relay, which solves the problems that in the prior art, when the prior solid-state relay is used, a screw is loosened when the screw rotates in the use process, so that a pressing plate is loosened, a pressed lead is loosened, and the connection between an electric wire and the solid-state relay is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a solid-state relay, includes the ware body, four sets of screws and four electric wires of group, the electric wire includes crust and wire, be provided with four sets of contact pieces on the ware body, the work end of screw passes the clamp plate with the contact piece extends to the inside of the ware body, be provided with four sets of stop gear on the ware body, stop gear includes spacing subassembly and removal subassembly, spacing subassembly includes outer loop and picture peg, the outer loop is fixed the outside of screw.

Preferably, a plurality of groups of slots are formed in the outer ring, and one end of the plugboard penetrates into the slots.

Preferably, the moving assembly comprises a clamping block, the clamping block is fixed on the front face of the device body, a moving groove is formed in the clamping block, and the other end of the inserting plate penetrates through the moving groove.

Preferably, two groups of movable grooves are further formed in the clamping block, a movable plate is fixedly arranged at the other end of the inserting plate, and two groups of limiting rods are fixedly arranged on the side face of the movable plate.

Preferably, two groups of mounting plates are fixedly arranged outside the plugboard, and the end parts of the limiting rods penetrate through the movable grooves and extend to the surfaces of the mounting plates.

Preferably, a spring is sleeved outside the limiting rod, one end of the spring is fixedly connected with the clamping block, and the other end of the spring is fixedly connected with the mounting plate.

Preferably, two groups of heat dissipation mechanisms are arranged on the device body, each heat dissipation mechanism comprises a heat conduction plate, a heat absorption sheet is fixedly arranged on one side of each heat conduction plate, the end parts of the heat absorption sheets extend to the inside of the device body, and heat dissipation sheets are fixedly arranged on the other side of each heat conduction plate.

Preferably, two groups of mounting holes are formed in the surface of the device body, and a label is arranged on the surface of the device body.

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

(1) According to the utility model, the screw can be conveniently limited in use through the designed limiting mechanism, so that loosening caused by rotation of the screw in subsequent use is prevented, the loosening condition of the pressed wire is caused, the stability of connection between the wire and the solid-state relay is improved, and the use effect of the solid-state relay is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a limiting mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a latch according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the outer ring of the present utility model;

in the figure: 1. a skin; 2. a clamping block; 3. a screw; 4. a heat sink; 5. a heat conductive plate; 6. a body; 7. a heat absorbing sheet; 8. an outer ring; 9. a wire; 10. a pressing plate; 11. inserting plate; 12. a movable plate; 13. a limit rod; 14. a contact piece; 15. a moving groove; 16. a mounting plate; 17. a spring; 18. a movable groove; 19. a slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a solid-state relay, including the ware body 6, four sets of screws 3 and four groups of electric wires, the electric wire includes crust 1 and wire 9, be provided with four sets of contact pieces 14 on the ware body 6, the work end of screw 3 passes clamp plate 10 and contact piece 14 and extends to the inside of ware body 6, be provided with four sets of stop mechanism on the ware body 6, stop mechanism includes spacing subassembly and removal subassembly, spacing subassembly includes outer ring 8 and picture peg 11, outer ring 8 is fixed on screw 3 when using, outer ring 8 is fixed in the outside of screw 3, multiunit slot 19 has been seted up to the inside of outer ring 8, during the use one end of picture peg 11 can insert the inside of slot 19, carry out spacing to screw 3, the one end of picture peg 11 penetrates the inside of slot 19, the removal subassembly includes fixture block 2, fixture block 2 is fixed in the front of ware body 6, the inside of fixture block 2 has seted up removal groove 15, when in use, the plugboard 11 can move left and right in the moving groove 15, the other end of the plugboard 11 passes through the moving groove 15, two groups of movable grooves 18 are formed in the clamping block 2, the limiting rod 13 can move left and right in the movable groove 18 when in use, the other end of the plugboard 11 is fixedly provided with the movable plate 12, the side surface of the movable plate 12 is fixedly provided with two groups of limiting rods 13, the outer part of the plugboard 11 is fixedly provided with two groups of mounting plates 16, the end part of the limiting rod 13 passes through the movable groove 18 and extends to the surface of the mounting plate 16, the outer part of the limiting rod 13 is sleeved with a spring 17, one end of the spring 17 is fixedly connected with the clamping block 2, one end of the plugboard 11 can be always in a state of being inserted into the slot 19 when in use, the other end of the spring 17 is fixedly connected with the mounting plate 16, the limiting mechanism is designed so that the screw 3 can be limited when in use, the screw 3 is prevented from rotating to loosen in the subsequent use, so that the pressed lead 9 is loosened, the stability of connection between the electric wire and the solid-state relay is improved, and the use effect of the solid-state relay is improved.

In this embodiment, preferably, two groups of heat dissipation mechanisms are arranged on the device body 6, each heat dissipation mechanism comprises a heat conduction plate 5, a heat absorption sheet 7 is fixedly arranged on one side of the heat conduction plate 5, the heat absorption sheet 7 can absorb heat in the solid state relay when in use, the end part of the heat absorption sheet 7 extends to the inside of the device body 6, and the heat dissipation sheet 4 is fixedly arranged on the other side of the heat conduction plate 5.

In this embodiment, preferably, two sets of mounting holes are formed in the surface of the device body 6, and the solid state relay can be mounted at a suitable position for use through the mounting holes when in use, and a label is provided on the surface of the device body 6.

The working principle and the using flow of the utility model are as follows:

when the utility model is used, after the lead 9 is placed at the position between the pressing plate 10 and the contact piece 14, the movable plate 12 is held to rotate outwards to drive the plugboard 11 and the limiting rod 13 to move, the plugboard 11 drives the mounting plate 16 to move, at the moment, the spring 17 is influenced to start compressing, then the screw 3 is screwed by a tool to drive the outer ring 8 to rotate, then the slot 19 on the outer ring 8 is aligned with one end of the plugboard 11, at the moment, the movable plate 12 is slowly released, at the moment, the spring 17 resets to push the mounting plate 16 to move towards the direction close to the screw 3 to drive the plugboard 11 to move, then one end of the plugboard 11 penetrates into the slot 19, the screw 3 can be limited to prevent the screw from rotating, and when the lead 9 on a wire needs to be detached, the lead can be detached according to the reverse principle;

when the solid-state relay is used, heat is absorbed by the heat absorbing sheet 7 when the heat is generated in the solid-state relay, the heat absorbing sheet 7 transfers the heat to the heat conducting plate 5, the heat conducting plate 5 transfers the heat to the heat radiating sheet 4, and the heat radiating sheet 4 radiates the heat to the surrounding air to radiate the heat of the solid-state relay.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a solid-state relay, includes ware body (6), four screw (3) and four electric wires of group, the electric wire includes crust (1) and wire (9), be provided with four contact piece (14) of group on the ware body (6), the work end of screw (3) pass clamp plate (10) with contact piece (14) and extend to the inside of ware body (6), its characterized in that: four groups of limiting mechanisms are arranged on the device body (6), each limiting mechanism comprises a limiting assembly and a moving assembly, each limiting assembly comprises an outer ring (8) and a plugboard (11), and the outer rings (8) are fixed outside the screws (3).

2. A solid state relay according to claim 1, wherein: a plurality of groups of slots (19) are formed in the outer ring (8), and one end of the plugboard (11) penetrates into the slots (19).

3. A solid state relay according to claim 1, wherein: the movable assembly comprises a clamping block (2), the clamping block (2) is fixed on the front face of the device body (6), a movable groove (15) is formed in the clamping block (2), and the other end of the plugboard (11) penetrates through the movable groove (15).

4. A solid state relay according to claim 3, wherein: two groups of movable grooves (18) are formed in the clamping block (2), a movable plate (12) is fixedly arranged at the other end of the inserting plate (11), and two groups of limiting rods (13) are fixedly arranged on the side face of the movable plate (12).

5. A solid state relay as defined in claim 4, wherein: two groups of mounting plates (16) are fixedly arranged outside the plugboard (11), and the end part of the limiting rod (13) penetrates through the movable groove (18) and extends to the surface of the mounting plates (16).

6. A solid state relay as claimed in claim 5, wherein: the outside cover of gag lever post (13) is equipped with spring (17), the one end fixed connection of spring (17) fixture block (2), the other end fixed connection of spring (17) mounting panel (16).

7. A solid state relay according to claim 1, wherein: two groups of heat dissipation mechanisms are arranged on the device body (6), each heat dissipation mechanism comprises a heat conduction plate (5), a heat absorption sheet (7) is fixedly arranged on one side of each heat conduction plate (5), the end parts of the heat absorption sheets (7) extend to the inside of the device body (6), and heat dissipation sheets (4) are fixedly arranged on the other side of each heat conduction plate (5).

8. A solid state relay according to claim 1, wherein: two groups of mounting holes are formed in the surface of the device body (6), and a label is arranged on the surface of the device body (6).