CN110783144A

CN110783144A - Solid state relay module

Info

Publication number: CN110783144A
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: 2020-02-11
Anticipated expiration: 2039-11-05
Also published as: CN110783144B

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, contact pieces are arranged on two opposite side faces of four groups of side faces of the solid-state relay body, the contact pieces are in contact with contacts of a circuit board in the solid-state relay body, screws are arranged at the tops of the contact pieces, and a plurality of groups of threaded pipes are arranged on the solid-state relay body. This solid-state relay module contacts through the inner wall of sleeve pipe groove and the surface of screwed pipe to the top of screwed pipe is to the thickness that the distance between the contact piece upper surface is less than or equal to the conductor piece, makes the fixed comparatively firm of cable, and makes the position relatively fixed of cable, has reduced the contact failure that the cable skew caused, and 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 non-contact 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 the other two terminals as output ends, the input and output electrical isolation is realized by adopting an isolation device in the middle, and the input end of the solid-state relay directly drives a heavy-current load by using a tiny control signal. When the general solid-state relay module is used for wiring, the screw on the surface of the general solid-state relay module is unscrewed, the pressing sheet is driven to be separated from the contact sheet, then the cable extends into the contact sheet and the pressing sheet of the solid-state relay module, and the screw is screwed to complete wiring operation. Solid state relay module on the existing market is easy to produce the not hard up of cable after long-time the use, influences the normal use of equipment to easy production cable and the bad condition of solid state relay module contact when the wiring.

Disclosure of Invention

Technical problem to be solved

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, poor contact between the cable and the solid-state relay module is not easy to occur in 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 between the cable and the solid-state relay module is easy to occur in wiring.

(II) technical scheme

In order to achieve the purposes that the solid-state relay module is not easy to loose and firmly connected with a cable, 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 relative sides all are provided with the contact piece in the four group sides of solid-state relay body, the contact piece contacts with the contact of this internal circuit board of solid-state relay, the top of contact piece is provided with the screw, the solid-state relay body is installed the multiunit screwed pipe, the contact piece is passed on the top of screwed pipe, a plurality of groups of 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 pass the terminal.

Preferably, the terminal comprises a terminal head, one end of the terminal head is fixedly connected with the conductor sheet, a sleeve groove is formed in the middle of the conductor sheet, the inner wall of the sleeve groove is in contact with the outer surface of the threaded pipe during wiring, multiple groups of buckles are evenly arranged at the bottom of the conductor sheet, and the multiple groups of buckles are 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 polygonal ring.

Preferably, the middle part of the buckle is provided with a movable groove, so that the cross section of the buckle is in a concave shape, and the buckle has an inclination 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 pipe and the upper surface of the contact piece is smaller than or equal to the thickness of the conductor piece, and the threaded pipe is a metal pipe.

Preferably, the number of the buckles is larger than that of the clamping grooves, the number of the buckles corresponding to each group of the clamping grooves is equal, and a gap is formed between every two groups of adjacent buckles.

Preferably, the back of the solid-state relay body is provided with a plurality of groups of threaded holes, the top of the solid-state relay body is provided with an explanation groove, a circuit mark is bonded in the explanation groove, and the top of the explanation groove is clamped with a transparent protective cover.

(III) advantageous 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 through the inner wall of sleeve pipe groove and the surface of screwed pipe to the top of screwed pipe is to the thickness that the distance between the contact piece upper surface is less than or equal to the conductor piece, makes the fixed comparatively firm of cable, and makes the position relatively fixed of cable, has reduced the contact failure that the cable skew caused, and 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. This solid-state relay module, the shape that encloses through the multiunit buckle encloses is the same with the shape that the adjacent draw-in groove of multiunit encloses to the shape that the multiunit buckle enclosed 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 inclinations through the buckle, makes the fixed more firm between terminal and the draw-in groove, has reduced not hard up of cable.

3. This solid-state relay module all has the clearance through between per two sets of adjacent buckles to the cross sectional shape of buckle is "concave" font, produced deformation to its structure's influence when having reduced buckle and draw-in groove joint, and has reduced the use amount of raw and other materials, has seted up the multiunit screw hole through the solid-state relay body back, makes solid-state relay module be convenient for install the heat dissipation fan additional and dispel the heat.

Drawings

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

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

fig. 4 is a 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 the 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 pipe; 6. a card slot; 7. a terminal; 701. a terminal head; 702. a conductor sheet; 703. a casing groove; 704. and (5) buckling.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1 to 6, a solid-state relay module, including solid-state relay body 1, fixing hole 2 has been seted up to the bottom of solid-state relay body 1, two sets of relative sides in solid-state relay body 1 four groups sides all are provided with contact piece 3, contact piece 3 contacts with the contact of circuit board in solid-state relay body 1, the top of contact piece 3 is provided with screw 4, solid-state relay body 1 installs multiunit screwed pipe 5, the top of screwed pipe 5 passes contact piece 3, solid-state relay body 1 and contact piece 3 have all been seted up a plurality of groups of draw-in grooves 6, the upper surface of contact piece 3 contacts with the lower surface of terminal 7, the bottom of screw 4 passes terminal 7 and with the inner wall spiro union of screwed pipe.

Specifically, terminal 7 includes terminal head 701, terminal head 701's one end and conductor piece 702 fixed connection, casing groove 703 has been seted up at the middle part of conductor piece 702, the inner wall of casing groove 703 contacts with the surface of screwed pipe 5 during the wiring, the bottom of conductor piece 702 evenly is provided with multiunit buckle 704, multiunit buckle 704 all is located the outside of casing groove 703, buckle 704 and the draw-in groove 6 joint of terminal 7 during the wiring, through buckle 704 and the cooperation of draw-in groove 6, make the guide of terminal 7 inserted position comparatively accurate, and reduced the skew and the not hard up of cable.

Specifically, the shape that multiunit buckle 704 encloses is the same with the shape that multiunit adjacent draw-in groove 6 encloses to the shape that 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 multiunit adjacent draw-in groove 6 encloses, and the shape that 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 movable groove is opened at the middle part of buckle 704, and then the cross sectional shape of buckle 704 is "concave" font, and buckle 704 has an inclination of 5 to 10 °, that is to say, the surface orthographic projection that buckle 704 and conductor piece 702 contacted is greater than the surface orthographic projection of its opposite face, has an inclination of 5 to 10 ° through buckle 704, makes the fixed between terminal 7 and draw-in groove 6 more firm, has reduced the not hard up of cable.

Specifically, 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, the inner wall of the sleeve groove 703 is in contact with the outer surface of the threaded pipe 5, and 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, so that the cable is fixed firmly, the position of the cable is relatively fixed, poor contact caused by cable deviation is reduced, the threaded pipe 5 is a metal pipe, and damage to the solid-state relay body 1 when the locking screw 4 is reduced.

Specifically, 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, gaps are formed between every two groups of adjacent buckles 704, the cross section of each buckle 704 is in a concave shape, the influence of deformation generated when the buckles 704 are connected with the clamping grooves 6 in a clamped mode on the structure of the buckle 704 is reduced, and the using amount of raw materials is reduced.

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

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the cable connector is used, one end of a cable extends 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, provided with the buckle 704, of the conductor sheet 702 is in contact with the upper surface of the contact piece 3, the buckle 704 is in clamping connection with the clamping groove 6, the conductor sheet 702 is pressed until the conductor sheet 702 is in contact with the contact piece 3, and then the terminal 7 and the threaded pipe 5 are locked by using the screw 4.

In summary, in the solid-state relay module, the inner wall of the sleeve groove 703 is in contact with the outer surface of the threaded pipe 5, and the distance between the top end of the threaded pipe 5 and the upper surface of the contact piece 3 is less than or equal to the thickness of the conductor piece 702, so that the cable is fixed firmly, the position of the cable is relatively fixed, poor contact caused by cable offset is reduced, the guiding of the insertion position of the terminal 7 is accurate through the matching of the buckles 704 and the slots 6, the offset and looseness of the cable are reduced, the shape defined by the groups of buckles 704 is the same as the shape defined by the groups of adjacent slots 6, the shape defined by the groups of buckles 704 is one of a circular ring and a regular polygonal ring, the clamping force of the terminal 7 is uniform, the stability of the terminal 7 is improved, the buckle 704 has an inclination of 5 ° to 10 °, so that the terminal 7 and the slots 6 are fixed more firmly, the not hard up of cable has been reduced, all has the clearance through between per two sets of adjacent buckles 704 to buckle 704's cross sectional shape is "concave" font, produced deformation to its structure's influence when having reduced buckle 704 and draw-in groove 6 joint, and reduced the use amount of raw and other materials, through the multiunit screw hole of having seted up at the solid state relay body 1 back, make solid state relay module be convenient for install the heat dissipation fan additional and dispel the heat.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 relative sides all are provided with contact piece (3) in the four group sides of solid-state relay body (1), contact piece (3) contact 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: solid-state relay body (1) is installed multiunit screwed pipe (5), contact piece (3) are passed on the top of screwed pipe (5), a plurality of groups draw-in grooves (6) have all been seted up in solid-state relay body (1) and contact piece (3), the upper surface of contact piece (3) contacts with the lower surface of terminal (7), the bottom of screw (4) pass terminal (7) and with the inner wall spiro union of screwed pipe (5).

2. The solid state relay module of claim 1, wherein: 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 in contact with the outer surface of a threaded pipe (5) during wiring, multiple groups of buckles (704) are uniformly arranged at the bottom of the conductor sheet (702), and the multiple groups of buckles (704) are located on the outer side of the sleeve groove (703).

3. The solid state relay module of claim 2, wherein: the shape enclosed by the groups of buckles (704) is the same as the shape enclosed by the groups of adjacent clamping grooves (6), and the shape enclosed by the groups of buckles (704) is one of a circular ring and a regular polygonal ring.

4. The solid state relay module of claim 2, wherein: the middle part of the buckle (704) is provided with a movable groove, so that the cross section of the buckle (704) is concave, and the buckle (704) has an inclination of 5-10 degrees, namely the orthographic projection of the surface of the buckle (704) contacted with the conductor sheet (702) is larger than that of the opposite surface of the buckle (704).

5. The solid state relay module of 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.

6. The solid state relay module of claim 2, 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 formed between every two groups of adjacent buckles (704).

7. The solid state relay module of claim 1, wherein: the back of the solid-state relay body (1) is provided with a plurality of groups of threaded holes, the top of the solid-state relay body (1) is provided with an explanation groove, a circuit mark is bonded in the explanation groove, and a transparent protective cover is clamped at the top of the explanation groove.