CN110783144B

CN110783144B - Solid state relay module

Info

Publication number: CN110783144B
Application number: CN201911071654.2A
Authority: CN
Inventors: 韩波; 刘天宇; 冯建鑫
Original assignee: Hans Automation Technology Jiangsu Co ltd
Current assignee: Hans Automation Technology Jiangsu Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2023-04-28
Anticipated expiration: 2039-11-05
Also published as: CN110783144A

Abstract

The invention relates to the technical field of solid-state relays and discloses a solid-state relay module which comprises a solid-state relay body, wherein a fixing hole is formed in the bottom of the solid-state relay body, two groups of opposite sides of four groups of sides of the solid-state relay body are respectively provided with a contact piece, the contact pieces are contacted with contacts of a circuit board in the solid-state relay body, the tops of the contact pieces are provided with screws, and the solid-state relay body is provided with a plurality of groups of threaded pipes. This solid-state relay module contacts with the surface of screwed pipe through the inner wall of cover tube groove to the distance between the top of screwed pipe to the contact piece upper surface is less than or equal to the thickness of conductor piece, makes the fixed comparatively firm of cable, and makes the position of cable fixed relatively, has reduced the poor contact that the cable skew caused, through the cooperation of buckle and draw-in groove, makes the guide of terminal inserted position comparatively accurate, and has reduced the skew and the not hard up of cable.

Description

Solid state relay module

Technical Field

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

Background

The solid-state relay is a contactless switch composed of a microelectronic circuit, a discrete electronic device and a power electronic power device, and is a four-terminal device with two terminals as input ends and two terminals as output ends, wherein the middle of the solid-state relay adopts an isolation device to realize the electrical isolation of input and output, and the input end of the solid-state relay uses a tiny control signal to directly drive a heavy current load. When the common solid-state relay module is used for wiring, the screw on the surface of the solid-state relay module is unscrewed, the pressing piece is driven to be separated from the contact piece, then the cable is stretched into the contact piece and the pressing piece of the solid-state relay module, and the screw is screwed to finish wiring operation. The solid-state relay module in the current market is easy to generate loosening of the cable after long-time use, so that normal use of equipment is affected, and poor contact between the cable and the solid-state relay module is easy to generate during wiring.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides the solid-state relay module, which has the advantages that the cable and the solid-state relay module are not easy to loosen, the connection is firmer, the poor contact between the cable and the solid-state relay module is not easy to occur during wiring, and the like, and solves the problems that the solid-state relay module in the current market is easy to loosen after being used for a long time, the normal use of equipment is influenced, and the poor contact condition between the cable and the solid-state relay module is easy to occur during wiring.

(II) technical scheme

In order to achieve the purposes that the solid-state relay module is not easy to loosen and is more firmly connected, and poor contact between the cable and the solid-state relay module is not easy to occur during wiring, the invention provides the following technical scheme: the utility model provides a solid-state relay module, includes the solid-state relay body, the fixed orifices has been seted up to the bottom of solid-state relay body, two sets of opposite sides in four sets of sides of solid-state relay body all are provided with the contact piece, the contact piece contacts with the contact of the internal circuit board of solid-state relay, the top of contact piece is provided with the screw, multiunit screwed pipe is installed to the solid-state relay body, the contact piece is passed on the top of screwed pipe, a plurality of groups draw-in grooves have all been seted up to solid-state relay body and contact piece, the upper surface of contact piece contacts with the lower surface of terminal, the bottom of screw passes the terminal and with the inner wall spiro union of screwed pipe.

Preferably, the terminal comprises a terminal head, one end of the terminal head is fixedly connected with the conductor piece, a sleeve groove is formed in the middle of the conductor piece, the inner wall of the sleeve groove is contacted with the outer surface of the threaded pipe during wiring, a plurality of groups of buckles are uniformly arranged at the bottom of the conductor piece, and the plurality of groups of buckles are all located on the outer side of the sleeve groove.

Preferably, the shape enclosed by the plurality of groups of buckles is the same as the shape enclosed by the plurality of groups of adjacent clamping grooves, and the shape enclosed by the plurality of groups of buckles is one of a circular ring and a regular polygon ring.

Preferably, the middle part of the buckle is provided with a movable groove, so that the cross section of the buckle is concave, the buckle has a slope of 5-10 degrees, namely, the orthographic projection of the surface of the buckle contacted with the conductor sheet is larger than that of the opposite surface of the buckle.

Preferably, the distance between the top end of the threaded tube and the upper surface of the contact piece is smaller than or equal to the thickness of the conductor piece, and the threaded tube is a metal tube.

Preferably, the number of the buckles is larger than the number of the clamping grooves, the number of the buckles corresponding to each group of clamping grooves is equal, and gaps are reserved between every two groups of adjacent buckles.

Preferably, the solid-state relay body back has seted up multiunit screw hole, the top of solid-state relay body has seted up the description groove, has adhered the circuit sign in the description groove, and the top joint in description groove has transparent protection casing.

(III) beneficial effects

Compared with the prior art, the invention provides a solid-state relay module, which has the following beneficial effects:

1. this solid-state relay module contacts with the surface of screwed pipe through the inner wall of cover tube groove to the distance between the top of screwed pipe to the contact piece upper surface is less than or equal to the thickness of conductor piece, makes the fixed comparatively firm of cable, and makes the position of cable fixed relatively, has reduced the poor contact that the cable skew caused, through the cooperation of buckle and draw-in groove, makes the guide of terminal inserted position comparatively accurate, and has reduced the skew and the not hard up of cable.

2. The shape that this solid-state relay module encloses through multiunit buckle and multiunit adjacent draw-in groove encloses is the same to multiunit buckle encloses into the shape and is one of ring, regular polygon ring, makes the atress of terminal joint comparatively even, has improved the fixed stability of terminal, has 5 to 10 inclination through the buckle, makes the fixed more firm between terminal and the draw-in groove, has reduced the not hard up of cable.

3. This solid-state relay module all has the clearance through every two sets of adjacent buckles to the cross-sectional shape of buckle is "concave" font, has reduced the deformation that produces when buckle and draw-in groove joint and to its own structure's influence, and reduced the use amount of raw and other materials, offered multiunit screw hole through the solid-state relay body back, make solid-state relay module be convenient for install the radiator fan additional and dispel the heat.

Drawings

Fig. 1-2 are schematic diagrams of solid state relay body structures according to the present invention;

fig. 3 is a schematic diagram of a connection structure between a solid-state relay body and a terminal according to the present invention;

fig. 4 is a cross-sectional view of a solid-state relay body and terminal connection structure according to the present invention;

fig. 5 is a schematic view of a terminal structure according to the present invention;

fig. 6 is a bottom view of a terminal structure according to the present invention.

In the figure: 1. a solid state relay body; 2. a fixing hole; 3. a contact piece; 4. a screw; 5. a threaded tube; 6. a clamping groove; 7. a terminal; 701. a terminal head; 702. a conductor sheet; 703. a sleeve groove; 704. and (5) a buckle.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 6, a solid-state relay module includes a solid-state relay body 1, a fixing hole 2 is provided at the bottom of the solid-state relay body 1, two sets of opposite sides of four sets of sides of the solid-state relay body 1 are provided with contact pieces 3, the contact pieces 3 are contacted with contacts of a circuit board in the solid-state relay body 1, a screw 4 is provided at the top of the contact pieces 3, a plurality of sets of threaded pipes 5 are installed on the solid-state relay body 1, the top ends of the threaded pipes 5 pass through the contact pieces 3, a plurality of sets of clamping grooves 6 are provided on the solid-state relay body 1 and the contact pieces 3, the upper surface of the contact pieces 3 is contacted with the lower surface of a terminal 7, and the bottom ends of the screws 4 pass through the terminal 7 and are in threaded connection with the inner wall of the threaded pipes 5.

Specifically, terminal 7 includes terminal 701, terminal 701's one end and conductor piece 702 fixed connection, sleeve groove 703 has been seted up at the middle part of conductor piece 702, sleeve groove 703's inner wall contacts with the surface of screwed pipe 5 during the wiring, conductor piece 702's bottom evenly is provided with multiunit buckle 704, multiunit buckle 704 all is located sleeve groove 703's the outside, terminal 7's buckle 704 and draw-in groove 6 joint during the wiring, through the cooperation of buckle 704 and draw-in groove 6, make terminal 7 insert the guide of position comparatively accurate, and reduced the skew and the loosening of cable.

Specifically, the shape that the multiunit buckle 704 encloses is the same with the shape that the multiunit adjacent draw-in groove 6 encloses to the shape that the multiunit buckle 704 encloses is one of ring, regular polygon ring, and the shape that encloses through multiunit buckle 704 is the same with the shape that the multiunit adjacent draw-in groove 6 encloses, and the shape that the multiunit buckle 704 encloses is one of ring, regular polygon ring, makes the atress of terminal 7 joint comparatively even, has improved the fixed stability of terminal 7.

Specifically, the middle part of buckle 704 has seted up movable groove, and then makes buckle 704's cross-sectional shape be "concave" font to buckle 704 has the inclination of 5 to 10, and the surface orthographic projection that buckle 704 contacted with conductor piece 702 is greater than its opposite face's surface orthographic projection, through buckle 704 having the inclination of 5 to 10, makes the fixed more firm between terminal 7 and the draw-in groove 6, has reduced the loosening of cable.

Specifically, the distance between the top end of the threaded tube 5 and the upper surface of the contact piece 3 is smaller than or equal to the thickness of the conductor piece 702, the inner wall of the sleeve groove 703 is in contact with the outer surface of the threaded tube 5, and the distance between the top end of the threaded tube 5 and the upper surface of the contact piece 3 is smaller than or equal to the thickness of the conductor piece 702, so that the fixation of a cable is firm, the position of the cable is relatively fixed, poor contact caused by cable deflection is reduced, the threaded tube 5 is a metal tube, and damage to the solid-state relay body 1 when the screw 4 is locked is reduced.

Specifically, the number of the buckles 704 is greater than the number of the clamping grooves 6, the number of the buckles 704 corresponding to each group of the clamping grooves 6 is equal, gaps are reserved between every two groups of adjacent buckles 704, the cross section of each buckle 704 is concave, the influence of deformation generated when the buckles 704 are clamped with the clamping grooves 6 on the structure of the buckle is reduced, and the use amount of raw materials is reduced.

Specifically, the multiunit screw hole has been seted up at solid-state relay body 1 back, has seted up multiunit screw hole through solid-state relay body 1 back for solid-state relay module is convenient for install the radiator fan additional and dispel the heat, and the description groove has been seted up at the top of solid-state relay body 1, has bonded circuit sign in the description groove, and the top joint in description groove has transparent protection casing, makes circuit sign's looking over comparatively convenient through being provided with transparent protection casing, and has reduced the wearing and tearing to circuit sign.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

When the cable is used, one end of the cable is inserted into the terminal head 701, then the terminal head 701 is flattened by using a tool, the terminal head 701 is fixedly fastened with the cable, then one side of the conductor piece 702 provided with the buckle 704 is contacted with the upper surface of the contact piece 3, the buckle 704 is clamped with the clamping groove 6, the conductor piece 702 is pressed until the conductor piece 702 is contacted with the contact piece 3, and then the terminal 7 and the threaded tube 5 are locked by using the screw 4.

In summary, this solid-state relay module, the inner wall through the sleeve groove 703 contacts with the surface of screwed pipe 5, and the distance between the top of screwed pipe 5 and the contact piece 3 upper surface is less than or equal to the thickness of conductor piece 702, make the fixed comparatively firm of cable, and make the position of cable relatively fixed, the poor contact that the cable skew caused has been reduced, through the cooperation of buckle 704 and draw-in groove 6, make the guide of terminal 7 inserted position comparatively accurate, and the skew and the not hard up of cable have been reduced, the shape that encloses through multiunit buckle 704 is the same with the shape that the multiunit adjacent draw-in groove 6 encloses, and the shape that multiunit buckle 704 encloses is one of ring, regular polygon ring, make the atress that terminal 7 joint is comparatively even, the stability that terminal 7 was fixed has been improved, through buckle 704 has the inclination of 5 ° to 10, make the fixed between terminal 7 and the draw-in groove 6, the not hard up of cable has been reduced, through the buckle that has the clearance between every two sets of adjacent buckles 704, and the cross-section shape of buckle 704 is "concave" buckle ", the shape of buckle 704 is, the shape of the buckle 6 is the shape of the recess, the shape that encloses with multiunit buckle 6, the shape of the solid-state relay 1 is convenient for installing the solid-state relay, the heat dissipation fan, the heat dissipation device is realized through the heat dissipation structure, and the heat dissipation device is equipped with the heat dissipation of the solid-state relay, the side.

Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a solid-state relay module, includes solid-state relay body (1), fixed orifices (2) have been seted up to the bottom of solid-state relay body (1), two sets of opposite sides in four sets of sides of solid-state relay body (1) all are provided with contact piece (3), contact piece (3) are contacted with the contact of circuit board in solid-state relay body (1), the top of contact piece (3) is provided with screw (4), its characterized in that: the solid-state relay comprises a solid-state relay body (1), a plurality of groups of threaded pipes (5), a contact piece (3) and a plurality of groups of clamping grooves (6) are formed in the solid-state relay body (1) and the contact piece (3), the upper surface of the contact piece (3) is contacted with the lower surface of a terminal (7), and the bottom end of a screw (4) penetrates through the terminal (7) and is in threaded connection with the inner wall of the threaded pipe (5);

the terminal (7) comprises a terminal head (701), one end of the terminal head (701) is fixedly connected with a conductor sheet (702), a sleeve groove (703) is formed in the middle of the conductor sheet (702), the inner wall of the sleeve groove (703) is contacted with the outer surface of a threaded pipe (5) during wiring, a plurality of groups of buckles (704) are uniformly arranged at the bottom of the conductor sheet (702), and the plurality of groups of buckles (704) are all located on the outer side of the sleeve groove (703).

2. A solid state relay module according to claim 1, wherein: the shape enclosed by the plurality of groups of buckles (704) is the same as the shape enclosed by the plurality of groups of adjacent clamping grooves (6), and the shape enclosed by the plurality of groups of buckles (704) is one of a circular ring and a regular polygon ring.

3. A solid state relay module according to claim 1, wherein: the middle part of buckle (704) has seted up movable groove, and then makes the cross-sectional shape of buckle (704) be "concave" font to buckle (704) have the inclination of 5 to 10, and the surface orthographic projection that buckle (704) and conductor piece (702) contacted is greater than the surface orthographic projection of its opposite face promptly.

4. A solid state relay module according to claim 1, wherein: the distance between the top end of the threaded pipe (5) and the upper surface of the contact piece (3) is smaller than or equal to the thickness of the conductor piece (702), and the threaded pipe (5) is a metal pipe.

5. A solid state relay module according to claim 1, wherein: the number of the buckles (704) is larger than that of the clamping grooves (6), the number of the buckles (704) corresponding to each group of the clamping grooves (6) is equal, and gaps are reserved between every two groups of adjacent buckles (704).

6. A solid state relay module according to claim 1, wherein: the solid state relay comprises a solid state relay body (1), and is characterized in that a plurality of groups of threaded holes are formed in the back surface of the solid state relay body (1), an instruction groove is formed in the top of the solid state relay body (1), a circuit mark is adhered in the instruction groove, and a transparent protective cover is clamped at the top of the instruction groove.