CN220272374U

CN220272374U - Solid-state relay structure

Info

Publication number: CN220272374U
Application number: CN202321934535.7U
Authority: CN
Inventors: 卓之冬; 熊妮; 郑都; 刘小杰; 方时旭
Original assignee: DELIXI GROUP CO LTD
Current assignee: DELIXI GROUP CO LTD
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-29
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a solid-state relay structure, which comprises a shell structure, an output load terminal and an input control terminal, wherein the output load terminal is arranged in two wiring frames in two wiring holes at two ends of the shell structure, and two fastening screws connected to the tops of the two wiring frames in a threaded manner, and two conductive plates connected with a circuit board are respectively penetrated in the two wiring frames; the utility model discloses a high-speed wiring plug-in components that input control terminal includes but plug sets up at the shell structure top and is connected with the circuit board, and this high-speed wiring plug-in components have two lockhole structures with automatic locking of male wire, adopt the solid-state relay of this technical scheme to set up output load terminal in its both ends position to and set up input control terminal in its top position, through rationally optimizing self structural layout, wiring convenient operation, overall structure becomes more compact, is favorable to reducing the product volume, and the appearance is more pleasing to the eye, promotes product performance.

Description

Solid-state relay structure

Technical Field

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

Background

The solid state relay is a novel contactless switch device, and can achieve contactless and sparkless on-off circuit by utilizing the switching characteristics of semiconductor devices such as a switch triode, a controllable silicon and the like, and has the advantages of small control power, high reliability, long service life, high sensitivity and the like, so that the solid state relay is widely applied.

The existing solid-state relay is provided with four active wiring terminals, wherein the four active wiring terminals are respectively two input control terminals arranged at one end of the top of the solid-state relay and two output load terminals arranged at the other end of the top of the solid-state relay, the input control terminals and the output load terminals are identical in structure and are composed of traditional wiring screws and pressing plates, the pressing plates are arranged on the wiring screws in a penetrating mode, the wiring screws are connected to the conducting plates in a threaded mode, and when wiring is conducted, a wire penetrates between the conducting plates and the pressing plates, and then the wiring screws are screwed down to drive the pressing plates to fasten the press-connection wire. As can be seen from the structure of the above solid state relay, it still has the following problems: the two ends of the solid-state relay are provided with four wiring terminals which are arranged in pairs, the structure is not compact enough, the product volume is made larger, the fastening effect of the wiring terminals on the wires is poor in a traditional wiring screw and pressing plate mode, the pressing plate is prone to deflection and shaking, the mounting stress of the wires is unstable, and the wire loosening phenomenon is easy to occur.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to solve the problems that four wiring terminals are arranged at two ends of a solid-state relay in the prior art, the structure is not compact enough, the product volume is made larger, and the wiring terminals have poor effect of fastening wires by adopting a wiring screw and a pressing plate.

In order to solve the above technical problems, the present utility model provides a solid state relay structure, including:

two wiring holes are formed in two ends of the shell structure, and a circuit board is arranged in the shell structure;

the output load terminals are arranged at two ends of the shell structure and comprise two wire connecting frames respectively arranged in two wire connecting holes and two fastening screws connected to the tops of the two wire connecting frames in a threaded mode, two conductive plates connected with the circuit board are respectively arranged in the two wire connecting frames in a penetrating mode, and the wire connecting frames are driven to move up and down in the wire connecting holes when the fastening screws rotate;

the input control terminal comprises a quick wiring plug-in unit which is arranged at the top of the shell structure in a pluggable manner and is connected with the circuit board, and the quick wiring plug-in unit is provided with two lock hole structures for automatically locking the inserted lead.

As a preferred scheme, the lock hole structure comprises an elastic lock block movably arranged in the hole of the lock hole structure and used for pressing the lead.

As a preferred scheme, a wiring socket is arranged on the circuit board, and the quick wiring plug-in unit and the wiring socket form plug-in fit.

As a preferable scheme, the top of the shell structure is provided with a socket for the insertion of the quick wiring plug-in, the wiring socket is positioned at the bottom of the socket, and a limiting plate matched and abutted to the bottom side of the quick wiring plug-in is arranged in the socket.

As a preferable scheme, the top of the shell structure is also provided with an indicator lamp connected with the circuit board.

As a preferable scheme, the top of the shell structure is provided with two operation holes communicated with two wiring holes, two fastening screws are respectively arranged in the two operation holes in a penetrating way, and the upper end of the operation hole is provided with a conical port protruding to a certain height.

As a preferred solution, the housing structure includes an internal cavity adapted to mount the circuit board, and a partition structure is provided between the internal cavity and the two wiring holes, respectively.

As a preferable scheme, the shell structure comprises a bottom shell and an upper cover, and the bottom shell and the upper cover are fixedly connected through a buckle structure.

As a preferable scheme, the fastening structure comprises a plurality of fastening grooves arranged on two side walls of one of the bottom shell and the upper cover, and a plurality of fastening hooks correspondingly arranged on two side walls of the other of the bottom shell and the upper cover, wherein the fastening hooks are correspondingly fastened in the fastening grooves.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. in the solid-state relay structure provided by the utility model, the output load terminals are respectively arranged in the wiring holes at the two ends of the shell structure in a wiring frame and fastening screws, the conducting plates connected with the circuit board are fixedly penetrated in the wiring frame, the conducting wires connected with the load penetrate into the wiring frame, the fastening screws are screwed to drive the wiring frame to move upwards to be matched with the conducting plates to compress the conducting wires, the installation contact surface of the conducting wires is increased, the installation stress stability is good, the wiring in the wiring holes is safer and more reliable, in addition, the control terminals are arranged at the top of the shell structure in a pluggable manner in a quick wiring plug-in manner, the electric connection between the quick wiring plug-in and the circuit board is realized, the conducting wires connected with the power supply end can be locked in two lock hole structures of the quick wiring plug-in, so that the conducting wires are prevented from being separated from the quick wiring plug-in, the advantage of tool-in free wiring is obtained, the wiring operation is convenient and quick, the installation efficiency is improved, the solid-state relay adopting the technical scheme is used for arranging the output load terminals at the two ends of the relay, the input control terminals at the top position of the relay, the solid-state relay structure is more compact in appearance, and the product is more attractive in appearance, and compact by reasonably optimizing the whole structure layout, and the product is more attractive, and compact.

2. In the solid-state relay structure provided by the utility model, the wiring socket which is in plug-in fit with the rapid wiring plug-in is arranged on the circuit board, the socket is correspondingly arranged at the top of the shell, the wiring socket is positioned in the socket, the rapid wiring plug-in is inserted into the socket to form plug-in fit with the wiring socket, the rapid wiring plug-in and the wiring socket which are arranged in the structure adopt the design of the plug-in principle, the plug-in connection is convenient, the electrical performance is good, the circuit connection between the rapid wiring plug-in and the circuit board is realized, an external power supply and a control signal can be transmitted to the circuit board, the installation structure is simple, the installation process is simplified, and the disassembly and maintenance are very convenient, so that the modularized installation of the rapid wiring plug-in on the solid-state relay is realized, and the installation efficiency is improved.

3. In the solid-state relay structure provided by the utility model, the top of the shell structure is provided with the two operation holes communicated with the two wiring holes, the upper end of the operation hole is provided with the conical port, the aperture of the conical port is smaller than the diameter of the head of the fastening screw, and the conical port is used for limiting the fastening screw in the operation hole so as to prevent the fastening screw from being separated from the operation hole during rotation.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of a solid state relay structure provided by the present utility model;

FIG. 2 is a schematic plan view of a solid state relay structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of FIG. 2 along line A-A;

FIG. 4 is a schematic view of a partial structure of a solid state relay structure of the present utility model;

reference numerals illustrate: 1. a housing structure; 11. a conductive plate; 12. an operation hole; 13. a tapered port; 14. a bottom case; 15. an upper cover; 2. a wiring hole; 21. a separator structure; 3. a wire frame; 31. fastening a screw; 4. a quick wire connector; 41. a keyhole structure; 5. a wiring socket; 6. a circuit board; 7. a socket; 71. a limiting plate; 8. an indicator light; 9. and a fastening structure.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The present embodiment is specifically described below with reference to the accompanying drawings:

the embodiment provides a solid-state relay structure as shown in fig. 1-4, which comprises a shell structure 1, output load terminals and input control terminals, wherein two wiring holes 2 are formed in two ends of the shell structure 1, and a circuit board 6 is arranged in the shell structure 1; the output load terminals are arranged at two ends of the shell structure 1 and comprise two wire frames 3 respectively arranged in two wire holes 2 and two fastening screws 31 in threaded connection with the tops of the two wire frames 3, two conductive plates 11 connected with the circuit board 6 are respectively arranged in the two wire frames 3 in a penetrating manner, and the wire frames 3 are driven to move up and down in the wire holes 2 when the fastening screws 31 rotate; the input control terminal comprises a quick wire connector 4 which is arranged on the top of the shell structure 1 in a pluggable manner and is connected with the circuit board 6, and the quick wire connector 4 is provided with two lock hole structures 41 which automatically lock inserted wires.

The above-mentioned embodiment is the core technical scheme of this embodiment, adopt terminal 3 and fastening screw 31's mode to set up respectively in wiring hole 2 at casing structure 1 both ends according to the output load, and fixed wear to be equipped with the current conducting plate 11 that links to each other with circuit board 6 in terminal 3, the wire that will connect the load penetrates in terminal 3, through twist change fastening screw 31 with the drive terminal 3 upwards move with current conducting plate 11 cooperation compress tightly the wire, increase the installation contact surface to the wire, the installation atress stability is good, and the internal connection is more safe and reliable in wiring hole 2, in addition, but according to control terminal adopts quick wiring plug-in 4's mode plug-in setting up at casing structure 1 top, and realize electric connection between quick wiring plug-in 4 and the circuit board 6, insert the wire of connecting the power end into two lockhole structures 41 of quick wiring plug-in 4 can be locked, prevent the wire from breaking away from on the quick wiring plug-in 4, do and obtain the advantage of exempting from the instrument wiring, wiring operation convenient operation is swift, improve installation effectiveness, adopt this technical scheme's solid relay to set up output load terminal at its position and with its control terminal, with the overall arrangement position at the top of its compact structure is more compact structure, the appearance is more compact, the product is more compact in appearance, the appearance is more compact to be used to the product, the appearance is more compact to its overall structure is better, the appearance.

As a preferred embodiment, the lock hole structure 41 includes an elastic locking block movably disposed in the hole for pressing the wire, and the wire is pressed by the elastic locking block when inserted into the lock hole structure 41, so as to realize self-locking fastening of the wire.

In order to realize quick installation between quick wiring plug-in components 4 and the circuit board 6, as shown in fig. 3, be provided with wiring socket 5 on the circuit board 6, quick wiring plug-in components 4 with wiring socket 5 forms grafting cooperation, wherein, the top of shell structure 1 is provided with can supply quick wiring plug-in components 4 male connector socket 7, wiring socket 5 is located the bottom of connector socket 7, be provided with the cooperation butt in the limiting plate 71 of quick wiring plug-in components 4 downside in connector socket 7, play the limiting effect through limiting plate 71 to the quick wiring plug-in components 4 that inserts in connector socket 7, this kind of structure sets up, inserts quick wiring plug-in components 4 into connector socket 7 and can form grafting cooperation with wiring socket 5, and this kind of quick wiring plug-in components 4 and wiring socket 5 have adopted the connector principle design, and have been connected conveniently, and electrical properties is good to realize the circuit connection between quick wiring plug-in components 4 and the circuit board 6, can be with outside and control signal transmission to on the circuit board, and the mounting structure is simple, has all realized the quick-operation plug-in-socket 4, and-socket connector 4 has formed grafting cooperation with the wiring socket 5, and can all form the quick-in-socket connector 4, and can be installed in the quick-in-socket 7.

As shown in fig. 1-3, the top of the housing structure 1 is provided with two operation holes 12 communicating with two connection holes 2, two fastening screws 31 are respectively inserted into the two operation holes 12, a conical port 13 with a certain height is formed at the upper end of the operation hole 12, the aperture of the conical port 13 is smaller than the diameter of the head of the fastening screw 31, and the fastening screw 31 is limited in the operation hole 12 through the conical port 13, so as to prevent the fastening screw 31 from being separated from the operation hole 12 when rotating. It is further preferable that the housing structure 1 comprises an internal cavity adapted to mount the circuit board 6, a partition structure 21 is disposed between the internal cavity and the two wiring holes 2, and the conductive plate 11 is connected to the circuit board 6 after passing through the partition structure 21, and the distance of the wires penetrating into the wiring holes is limited by the partition structure 21, so as to prevent the wires from extending into the internal cavity of the housing structure.

For the convenience of users to clearly know that the solid state relay is in an on or off working state, an indicator lamp 8 connected with the circuit board 6 is arranged on the top of the shell structure 1, and the indicator lamp 8 is turned on when the solid state relay is on and turned off when the solid state relay is off.

In this embodiment, the housing structure 1 includes a bottom shell 14 and an upper cover 15, the bottom shell 14 and the upper cover 15 are fixedly connected with each other through a fastening structure 9, specifically, the fastening structure 9 includes a plurality of fastening slots provided on two side walls of one of the bottom shell 14 and the upper cover 15, and a plurality of hooks correspondingly provided on two side walls of the other of the bottom shell 14 and the upper cover 15, when the upper cover 15 and the bottom shell 14 are assembled, the hooks are correspondingly fastened in the fastening slots, so that the installation structure is simple, a traditional screw fixing manner is avoided, the installation process is simplified, and the installation efficiency is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. A solid state relay structure comprising:

two wiring holes (2) are formed in two ends of the shell structure (1), and a circuit board (6) is arranged in the shell structure (1);

the output load terminals are arranged at two ends of the shell structure (1) and comprise two wire connecting frames (3) respectively arranged in two wire connecting holes (2), and two fastening screws (31) connected to the tops of the two wire connecting frames (3) in a threaded mode, two conductive plates (11) connected with a circuit board (6) are respectively arranged in the two wire connecting frames (3) in a penetrating mode, and the wire connecting frames (3) are driven to move up and down in the wire connecting holes (2) when the fastening screws (31) rotate;

the input control terminal comprises a quick wiring plug-in unit (4) which is arranged at the top of the shell structure (1) in a pluggable manner and is connected with the circuit board (6), and the quick wiring plug-in unit (4) is provided with two lock hole structures (41) for automatically locking an inserted lead.

2. A solid state relay structure according to claim 1, wherein: the lock hole structure (41) comprises an elastic locking block movably arranged in a hole of the lock hole structure and used for pressing the lead.

3. A solid state relay structure according to claim 2, wherein: the circuit board (6) is provided with a wiring socket (5), and the quick wiring plug-in (4) and the wiring socket (5) form plug-in fit.

4. A solid state relay construction according to claim 3, wherein: the top of shell structure (1) is provided with can supply quick wiring plug-in components (4) male connect socket (7), wiring socket (5) are located connect the bottom of socket (7), be provided with in connect socket (7) and cooperate butt limiting plate (71) of quick wiring plug-in components bottom side.

5. A solid state relay construction according to claim 4, wherein: the top of the shell structure (1) is also provided with an indicator lamp (8) connected with the circuit board (6).

6. A solid state relay structure according to any one of claims 1-5, wherein: the top of the shell structure (1) is provided with two operation holes (12) communicated with the two wiring holes (2), two fastening screws (31) are respectively arranged in the two operation holes (12) in a penetrating mode, and conical ports (13) with a certain height are formed at the upper ends of the operation holes (12) in a forming mode.

7. A solid state relay construction according to claim 6, wherein: the housing structure (1) comprises an internal cavity suitable for mounting the circuit board (6), and a partition plate structure (21) is arranged between the internal cavity and the two wiring holes (2) respectively.

8. A solid state relay structure according to claim 1, wherein: the shell structure (1) comprises a bottom shell (14) and an upper cover (15), and the bottom shell (14) and the upper cover (15) are fixedly connected through a buckling structure (9).

9. A solid state relay construction according to claim 8, wherein: the clamping structure (9) comprises a plurality of clamping grooves formed in two side walls of one of the bottom shell (14) and the upper cover (15), and a plurality of clamping hooks correspondingly formed in two side walls of the other of the bottom shell (14) and the upper cover (15), wherein the clamping hooks are correspondingly clamped in the clamping grooves.