CN210129466U

CN210129466U - Solid-state relay with good anti-interference capability

Info

Publication number: CN210129466U
Application number: CN201921185055.9U
Authority: CN
Inventors: 黄伟; 刘慧荣; 池红红
Original assignee: Guangzhou Beisitu Intelligent Equipment Co Ltd
Current assignee: Guangzhou Beisitu Intelligent Equipment Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-03-06
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to a power equipment technical field just discloses a solid-state relay that interference killing feature is good, which comprises an outer shell, be equipped with the circuit board of relay in the shell, fixed mouthful and installing port, two have been seted up to the symmetry on the shell the fixed mouthful all is equipped with a set of first binding post, two all be equipped with second binding post in the installing port, first binding post and second binding post are all installed on the circuit board, T type spout has been seted up to the upper end symmetry of shell, symmetrical sliding connection has T type slider in the T type spout, is located the difference the upper end of two T type sliders in the T type spout is passed and is corresponded T type spout notch and outside extension, and common fixedly connected with transparent apron. The utility model discloses make solid state relay's interference killing feature better, avoid dust and the moisture contact in the wiring end of relay and the outside air, cause the wiring end to corrode and rust or even electric leakage, influence solid state relay's work.

Description

Solid-state relay with good anti-interference capability

Technical Field

The utility model relates to a power equipment technical field especially relates to a solid state relay that interference killing feature is good.

Background

The solid-state relay is a novel contactless switch device composed of solid-state electronic components, and can achieve the purpose of connecting and disconnecting a circuit without contact and spark by using the switching characteristics of the electronic components (such as switching transistors, bidirectional thyristors and other semiconductor devices), so the solid-state relay is also called as a contactless switch, and has been widely applied due to the advantages of strong reliability, no contact, long service life, high speed and small interference to the outside. But the current solid state relay interference killing feature is relatively poor, and the wiring end on the shell is direct naked, and dust and moisture in the outside air can contact with the wiring end for the wiring end is perishable rusty or even electric leakage, influences solid state relay's work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the anti-interference ability of the solid-state relay is poor among the prior art, the wiring end is easy to corrode and rusts or even the electric leakage, and the solid-state relay that the anti-interference ability is good that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a solid-state relay with good anti-interference capability comprises a shell, a circuit board of the relay is arranged in the shell, the shell is symmetrically provided with fixing ports and mounting ports, two fixing ports are respectively provided with a group of first wiring terminals, two mounting ports are respectively provided with a second wiring terminal, the first connecting terminal and the second connecting terminal are both arranged on the circuit board, the upper end of the shell is symmetrically provided with T-shaped chutes, t-shaped sliding blocks are symmetrically and slidably connected in the T-shaped sliding grooves, the upper ends of two T-shaped sliding blocks positioned in different T-shaped sliding grooves penetrate through the notches of the corresponding T-shaped sliding grooves and extend outwards, and are fixedly connected with a transparent cover plate together, the opening of the fixed port is fixedly connected with a side plate, the side plate is connected with the cover plate through the two fixing mechanisms, the upper end of the side plate is abutted to the bottom of the cover plate, and the position of the side plate corresponding to each first wiring terminal is provided with a threading hole.

Preferably, fixed establishment includes fixed orifices, fixture block groove, fixture block, spring and pull rod, the fixed orifices is seted up on the apron, the upper end at the curb plate is seted up in the fixture block groove, fixture block groove and fixture block sliding connection, fixture block groove notch and fixed orifices and outside extension are passed to the upper end of fixture block, the one end fixed connection of spring is at fixture block groove tank bottom, spring other end fixed connection is on the lateral wall that the apron was kept away from to the fixture block, the upper end fixed connection of pull rod is on the lateral wall that the curb plate was kept away from to the fixture block, the lower extreme of pull rod passes spring and fixture block groove tank bottom in proper order and outside extension, and fixedly connected with arm-tie.

Preferably, a set of first binding post is three, fixedly connected with baffle on the apron is close to second binding post's the lateral wall, the bottom and the installing port upper end opening of baffle offset.

Preferably, the four corners of the shell are provided with fixing grooves, and threaded holes are formed in the bottoms of the fixing grooves.

Preferably, a partition board is fixedly connected between the adjacent first wiring terminals, and the side wall of the partition board, which is far away from the T-shaped sliding groove, is abutted against the vertical inner side wall of the side plate.

Preferably, the opposite groove walls of the clamping block grooves are symmetrically provided with limiting grooves, limiting blocks are connected in the limiting grooves in a sliding mode, and the opposite ends of the limiting blocks penetrate through the notches of the limiting grooves and extend into the clamping block grooves and are fixedly connected to the clamping blocks together.

Compared with the prior art, the utility model provides a solid state relay that interference killing feature is good possesses following beneficial effect:

this solid-state relay that interference killing feature is good, through setting up the shell, the fixed port, first binding post, second binding post, T type spout, T type slider, the apron, the curb plate, fixed establishment and through wires hole, the through wires hole that the electric wire passed on the curb plate is connected with first binding post, it is fixed with the curb plate of apron rather than below through fixed establishment, curb plate and apron form a confined space with the fixed port, make solid-state relay's interference killing feature better, avoid dust and moisture contact in the wiring end of relay and the outside air, cause the wiring end to corrode and rust or even electric leakage, the work that influences solid-state relay, fixed establishment's the switching that makes curb plate and apron is easy, be convenient for the change of electric wire or relay.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make solid state relay's interference killing feature better, avoid dust and the moisture contact in the wiring end of relay and the outside air, cause the wiring end to corrode and rust or even electric leakage, influence solid state relay's work.

Drawings

Fig. 1 is a schematic structural diagram of a solid-state relay with good interference rejection provided by the present invention;

fig. 2 is a top view of a solid-state relay with good interference rejection provided by the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure: the wire connecting structure comprises a shell 1, a fixing port 2, a first wire connecting terminal 3, a second wire connecting terminal 4, a sliding chute 5T, a sliding block 6T, a cover plate 7, a side plate 8, a fixing mechanism 9, a fixing hole 91, a clamping block groove 92, a clamping block 93, a spring 94, a pull rod 95, a wire threading hole 10, a baffle 11, a fixing groove 12, a partition plate 13, a limiting groove 14 and a limiting block 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a solid-state relay with good interference rejection comprises a housing 1, a circuit board of the relay is arranged in the housing 1, fixing ports 2 and mounting ports are symmetrically arranged on the housing 1, a group of first connecting terminals 3 are arranged on the two fixing ports 2, second connecting terminals 4 are arranged in the two mounting ports, the first connecting terminals 3 and the second connecting terminals 4 are both arranged on the circuit board, T-shaped chutes 5 are symmetrically arranged at the upper end of the housing 1, T-shaped sliding blocks 6 are symmetrically and slidably connected in the T-shaped chutes 5, the upper ends of the two T-shaped sliding blocks 6 in different T-shaped chutes 5 penetrate through the notches of the corresponding T-shaped chutes 5 and extend outwards, a transparent cover plate 7 is fixedly connected together, a side plate 8 is fixedly connected at the opening of the fixing ports 2, the side plate 8 is connected with the cover plate 7 through two fixing mechanisms 9, and the upper end of the side plate 8 is, the through wires hole 10 has all been seted up to the position department that corresponds every first binding post on curb plate 8, the electric wire passes through wires hole 10 on the curb plate 8 and is connected with first binding post 3, another electric wire passes the installing port and is connected with second binding post 4, promote two apron 7, make it do back of the body motion, T type slider 6 slides in T type spout 5 that corresponds, it is fixed with apron 7 rather than the curb plate 8 of below through fixed establishment 9, curb plate 8 and apron 7 form a confined space with fixed mouthful 2, make solid state relay's interference killing feature better, avoid the wiring end of relay and the dust and the moisture contact in the outside air, cause the wiring end to corrode and rust or even electric leakage, influence solid state relay's work.

The fixing mechanism 9 comprises a fixing hole 91, a latch groove 92, a latch 93, a spring 94 and a pull rod 95, the fixing hole 91 is arranged on the cover plate 7, the latch groove 92 is arranged on the upper end of the side plate 8, the latch groove 92 is connected with the latch 93 in a sliding manner, the upper end of the latch 93 passes through the notch of the latch groove 92 and the fixing hole 91 and extends outwards, one end of the spring 94 is fixedly connected with the bottom of the latch groove 92, the other end of the spring 94 is fixedly connected with the side wall of the latch 93 far away from the cover plate 7, the upper end of the pull rod 95 is fixedly connected with the side wall of the latch 93 far away from the side plate 8, the lower end of the pull rod 95 sequentially passes through the bottoms of the spring 94 and the latch groove 92 and extends outwards, and is fixedly connected with the pull plate, when a wire or a relay needs to be changed, the pull rod 95 is pulled downwards to drive the latch 93 to retract into the latch, make it move in opposite directions, apron 7 is from the top separation of fixed mouthful 2, rotatory wiring screw for the change of electric wire or relay of being convenient for is separated with the relay to the electric wire.

A set of first binding post 3 is three, fixedly connected with baffle 11 on apron 7 is close to second binding post 4's the lateral wall, and the bottom and the installing port upper end opening of baffle 11 offset, and the mouth of installing port is dark and the bore is less, just adapts to the line footpath of electric wire, avoids second binding post 4 and external contact, and first binding post 3 is main power source wiring screw end, and second binding post 4 is control signal screw end.

The four corners department of shell 1 all is equipped with fixed slot 12, and the tank bottom of fixed slot 12 is seted up threaded hole, the fixed mounting of this solid state relay of being convenient for.

Fixedly connected with baffle 13 between adjacent first binding post 3, and the lateral wall that T type spout 5 was kept away from to baffle 13 offsets with the vertical inside wall of curb plate 8, avoids influencing each other between the adjacent first binding post 3.

Limiting grooves 14 are symmetrically formed in the opposite groove walls of the clamping block grooves 92, limiting blocks 15 are connected in the limiting grooves 14 in a sliding mode, the opposite ends of the two limiting blocks 15 penetrate through the notches of the limiting grooves 14 and extend into the clamping block grooves 92, the two limiting blocks are fixedly connected to the clamping blocks 93 together, the limiting effect is achieved, and the clamping blocks 93 are prevented from being completely separated from the clamping block grooves 92.

In the utility model, an electric wire passes through a threading hole 10 on a side plate 8 to be connected with a first connecting terminal 3, another electric wire passes through a mounting hole to be connected with a second connecting terminal 4, two cover plates 7 are pushed to move back to back, a T-shaped slide block 6 slides in a corresponding T-shaped slide groove 5, the cover plate 7 is fixed with the side plate 8 below the cover plate through a fixing mechanism 9, the side plate 8, the cover plate 7 and a fixing port 2 form a closed space, so that the anti-interference capability of the solid-state relay is better, the contact between a wiring end of the relay and dust and moisture in the outside air is avoided, the wiring end is prevented from being corroded and rusted and even leaked electricity, the work of the solid-state relay is influenced, when the solid-state relay needs to be changed or replaced, a pull rod 95 is pulled downwards to drive a fixture block 93 to retract into a fixture block groove 92 and compress a, make it move in opposite directions, apron 7 is from the top separation of fixed mouthful 2, rotatory wiring screw for the change of electric wire or relay of being convenient for is separated with the relay to the electric wire.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A solid-state relay with good anti-jamming capability comprises a shell (1), a circuit board of the relay is arranged in the shell (1), fixing ports (2) and mounting ports are symmetrically formed in the shell (1), a set of first connecting terminals (3) are arranged on two fixing ports (2), second connecting terminals (4) are arranged in two mounting ports, the first connecting terminals (3) and the second connecting terminals (4) are mounted on the circuit board, the solid-state relay is characterized in that T-shaped sliding grooves (5) are symmetrically formed in the upper end of the shell (1), T-shaped sliding blocks (6) are symmetrically and slidably connected in the T-shaped sliding grooves (5), the upper ends of the two T-shaped sliding blocks (6) in different T-shaped sliding grooves (5) penetrate through corresponding T-shaped sliding grooves (5) and extend outwards, and a transparent cover plate (7) is fixedly connected together, the opening part fixedly connected with curb plate (8) of fixed mouthful (2), curb plate (8) are connected with apron (7) through two fixed establishment (9), the upper end of curb plate (8) offsets with the bottom of apron (7), through wires hole (10) have all been seted up to the position department that corresponds every first binding post on curb plate (8).

2. The solid-state relay with good interference rejection capability according to claim 1, wherein the fixing mechanism (9) comprises a fixing hole (91), a latch groove (92), a latch (93), a spring (94) and a pull rod (95), the fixing hole (91) is opened on the cover plate (7), the latch groove (92) is opened on the upper end of the side plate (8), the latch groove (92) is slidably connected with the latch (93), the upper end of the latch (93) passes through the notch of the latch groove (92) and the fixing hole (91) and extends outwards, one end of the spring (94) is fixedly connected to the bottom of the latch groove (92), the other end of the spring (94) is fixedly connected to the side wall of the latch (93) far away from the cover plate (7), the upper end of the pull rod (95) is fixedly connected to the side wall of the latch (93) far away from the side plate (8), and the lower end of the pull rod (95) passes through the spring (94) and the bottom of the latch groove (92) in turn and extends outwards, and is fixedly connected with a pulling plate.

3. The solid-state relay with good interference rejection according to claim 1, wherein there are three first connection terminals (3), a baffle (11) is fixedly connected to a side wall of the cover plate (7) close to the second connection terminal (4), and a bottom of the baffle (11) abuts against an opening at an upper end of the mounting opening.

4. The solid-state relay with good interference rejection capability of claim 1, wherein fixing grooves (12) are formed at four corners of the housing (1), and threaded holes are formed in the bottoms of the fixing grooves (12).

5. The solid-state relay with good interference rejection according to claim 1, wherein a partition (13) is fixedly connected between adjacent first terminals (3), and a side wall of the partition (13) far away from the T-shaped chute (5) abuts against a vertical inner side wall of the side plate (8).

6. The solid-state relay with good interference rejection capability according to claim 2, wherein the opposite groove walls of the block grooves (92) are symmetrically provided with limiting grooves (14), limiting blocks (15) are slidably connected in the limiting grooves (14), and opposite ends of the two limiting blocks (15) pass through the notches of the limiting grooves (14) and extend into the block grooves (92), and are jointly and fixedly connected to the blocks (93).