CN220671498U

CN220671498U - Plug-in type connection structure of measuring breaker

Info

Publication number: CN220671498U
Application number: CN202322269344.XU
Authority: CN
Inventors: 吴起军; 蒋益杰; 薛昌鸿; 南鹏杰; 郑木易
Original assignee: Ruirui Electric Zhejiang Co ltd
Current assignee: Ruirui Electric Zhejiang Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-26
Anticipated expiration: 2033-08-22

Abstract

The utility model discloses a plug-in type connection structure for measuring a circuit breaker, which comprises a control main board arranged in a circuit breaker shell and a guide jack arranged at the top of the circuit breaker shell, wherein a zero line plug-in module connected with the control main board is installed in the guide jack in a penetrating way, the zero line plug-in module is provided with a wiring port arranged at the port of the guide jack, so that a zero line is connected in the wiring port, and the zero line plug-in module and the control main board form plug-in fit through the plug-in structure. Adopt this technical scheme's zero line plug-in components module to realize quick plug-in connection between control mainboard with the connector mode, have good electrical property and mechanical properties, simplified installation and wiring structure, this kind of zero line plug-in components module realizes independent plug-in installation on the circuit breaker, accomplishes the effect of modularization and facilitation installation, and the installation is used more in a flexible way, also makes things convenient for follow-up maintenance, improves installation effectiveness, reduction in production cost.

Description

Plug-in type connection structure of measuring breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a plug-in type connection structure for measuring a circuit breaker.

Background

In a power supply and distribution system, a lot of electric power parameters such as voltage, current, power factor, harmonic wave and the like are required to be detected in real time, therefore, a measuring circuit breaker with electric energy metering is appeared on the market, and intelligent control and electric energy metering functions are added on the basis of a three-phase three-wire electronic circuit breaker.

According to the measurement that the three-phase main circuit in the circuit breaker is three-phase voltage, the secondary circuit control unit and the controller cannot be directly powered, therefore, a zero line is required to be externally connected and matched with one of the three-phase main circuit and the controller to form a 220V power supply circuit, a wiring port is formed in the side face of the circuit breaker in a common way, then the zero line penetrates into the circuit breaker from the position of the wiring port, and then the zero line is welded on a control main board of the controller in an extending mode. However, the zero line installation method still has the following problems: the installation process of welding the lead and the control circuit board is complex, wiring and wiring are complex, installation and maintenance are inconvenient, a plurality of circuit breakers are installed close to a flat row in an application scene, adjacent gaps are small, and therefore the circuit breakers are inconvenient to install and use on the side surfaces of the circuit breakers, the whole installation process is complex, and the installation efficiency is low.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the problems that in the prior art, a zero line penetrates into the circuit breaker from the wiring port position on the side surface of the circuit breaker, then is welded on the control main board in an extending way, the whole wiring installation process is complicated, and a plurality of circuit breakers are inconvenient to use and maintain in close parallel in an application scene, and the installation efficiency is low.

In order to solve the technical problems, the utility model provides a plug-in type connection structure for measuring a circuit breaker, which comprises a circuit breaker shell and a control main board arranged in the circuit breaker shell, wherein the top of the circuit breaker shell is provided with a guide jack communicated with an inner cavity of the circuit breaker shell, the circuit breaker further comprises a zero line plug-in module vertically inserted into the guide jack and connected with the control main board, the top of the zero line plug-in module is provided with a wiring port at the port of the guide jack so that a zero line is connected in the wiring port, and the zero line plug-in module is in plug-in connection with the control main board through a plug-in structure.

As a preferred scheme, the zero line plug-in module comprises a connecting plate inserted into the guide jack, a wiring terminal arranged at the upper part of the connecting plate, and a plug-in structure arranged at the lower part of the connecting plate, wherein the wiring terminal is provided with the wiring port.

As a preferable scheme, the plugging structure comprises a plugging connector arranged at the lower part of the connecting plate and a plugging seat correspondingly arranged on the control main board.

As a preferable scheme, the plug seat is provided with a jack, the plug connector is provided with a contact pin which is inserted into the jack in a matching way, and the tail end of the contact pin is fixedly connected to the connecting plate.

As a preferable scheme, the connecting plate is a rectangular PCB.

As a preferred scheme, the circuit breaker shell comprises a base and a middle cover, the guide jack vertically penetrates through the middle cover, two limiting sliding grooves are oppositely formed in the side walls of the two sides of the guide jack, and the two side edges of the connecting plate are matched and inserted into the two limiting sliding grooves.

As a preferable scheme, the wiring terminal is connected with the connecting plate to form an L-shaped structure, a connecting port connected with the guide jack is arranged on the side wall of the front end of the middle cover, and the wiring terminal is arranged at the connecting port to enable the wiring port to be consistent with the opening direction of the connecting port.

As a preferable scheme, a cover plate covering the guide jack is also arranged on the top of the middle cover.

As a preferable scheme, a protecting cover covering the upper part of the control main board is arranged in the base, a positioning boss is arranged on the protecting cover, a positioning through hole is formed in the positioning boss in a penetrating mode, the plug seat is accommodated in the positioning through hole, and the connecting plate drives the plug connector to penetrate into the positioning through hole and be connected with the plug seat.

As a preferable scheme, the positioning through hole comprises a first hole part and a second hole part, wherein the first hole part is matched and connected with the connecting plate, the second hole part is connected with the first hole part and is suitable for the insertion of a plug, and the first hole part and the second hole part are connected to form a T-shaped structure.

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

1. according to the plug-in type connection structure of the measuring circuit breaker, when the measuring circuit breaker is installed, the zero line plug-in module is vertically inserted into the guide jack from the top of the circuit breaker shell and forms electric connection plug-in fit with the control main board through the plug-in structure, the wiring terminal opening of the zero line plug-in module is just installed at the port of the guide jack after the measuring circuit breaker is installed in place, the zero line plug-in module can be connected with the control main board through the zero line plug-in module only by connecting an external zero line into the wiring port, the quick plug-in connection is realized through the plug-in mode between the zero line plug-in module and the control main board, the structure design is convenient to install and maintain, the dustproof effect and the sealing effect are achieved, the electric performance and the mechanical performance are excellent, the circuit connection effect is achieved through the zero line plug-in mode, the traditional soft connection mode is avoided, the installation and the wiring structure is not limited, the effect of the parallel installation and the maintenance of the parallel installation of a plurality of circuit breakers is facilitated, the independent plug-in the parallel installation and the parallel use of the circuit breakers is convenient, the installation effect is achieved, the following the installation and the production cost is also convenient to be reduced.

2. According to the plug-in type connecting structure of the measuring circuit breaker, the connecting plate is preferably a rectangular PCB (printed circuit board) and is connected with the control main board through the guide jack according to the connecting plate, and the two side edges of the connecting plate are matched and inserted into the two limit sliding grooves by the two limit sliding grooves which are oppositely arranged on the side walls of the two sides of the guide jack, so that the connecting plate is guided and installed by the limit sliding grooves, the connecting plate is prevented from shifting and shaking in the guide jack, the accuracy and the stability of plug-in connection between the connecting plate and the control main board are ensured, and the connecting plate is convenient and quick to install.

3. The plug-in type connection structure of the measuring circuit breaker comprises a connecting plate, a wiring terminal and a plug-in structure according to a zero line plug-in module, wherein the plug-in structure comprises a plug-in connector arranged at the lower part of the connecting plate, and a plug-in seat matched with the plug-in connector is correspondingly arranged on a control main board.

4. According to the pluggable connection structure of the measuring circuit breaker, the upper end and the lower end of the connecting plate are respectively positioned and connected in the guide jack and the positioning through hole, so that the positioning and connecting functions are realized on the two ends of the connecting plate, the bending deformation condition of the connecting plate caused by uneven stress due to overlong connecting length can be avoided, the structural stability is good, and the stability and the reliability of the installation and the plugging of the whole zero line plug-in module on the circuit breaker are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a measuring circuit breaker according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a pluggable connection structure of the measuring circuit breaker of the present utility model;

FIG. 3 is a schematic diagram of the installation structure of the zero line plug-in module of the present utility model;

FIG. 4 is a schematic view of an installation structure of the zero line plug-in module shown in FIG. 3 after the middle cover is hidden;

reference numerals illustrate: a. a zero line plug-in module; 1. a connecting plate; 2. a connection terminal; 21. a wiring port; 3. a plug; 4. a socket; 5. a circuit breaker housing; 51. a base; 52. a middle cover; 53. a cover plate; 54. a protective cover; 6. a guide jack; 7. a control main board; 8. positioning the boss; 9. and positioning the through holes.

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.

Example 1

The embodiment provides a pluggable connection structure of a measuring breaker as shown in fig. 1-4, which comprises a breaker shell 5 and a control main board 7 arranged in the breaker shell 5, wherein the top of the breaker shell 5 is provided with a guide jack 6 communicated with an inner cavity of the breaker shell, the pluggable module comprises a zero line plug-in module a which is vertically inserted into the guide jack 6 and is connected with the control main board 7, a wiring port 21 is arranged at the top of the zero line plug-in module a at the port of the guide jack 6, so that a zero line is connected in the wiring port 21, and the zero line plug-in module a is in pluggable connection with the control main board 7 through the plugging structure.

The above embodiment is a core technical scheme of the embodiment, when in installation, the zero line plug-in module a is vertically inserted into the guide jack 6 from the top of the circuit breaker shell 5, and forms the plug-in cooperation of electric connection with the control main board 7 through the plug-in structure, the wiring port 21 of the zero line plug-in module a is just installed at the port of the guide jack 6 after the installation is in place, the connection can be realized through the zero line plug-in module a and the control main board 7 as long as the external zero line is connected into the wiring port 21, thereby forming a 220V power supply loop with one phase line of the circuit breaker, the zero line plug-in module and the control main board of the structural design adopt a connector hard connection mode to realize quick plug-in connection, have excellent electric performance and mechanical property, play a circuit connection role between the zero line and the control main board 7, avoid adopting a traditional soft connection mode again, simplify the installation and wiring structure, and are not limited by the clearance influence of adjacent circuit breakers, the zero line plug-in module realizes independent plug-in installation on the circuit breaker, achieves the effects of modularization and convenient installation, is more flexible to use, the subsequent maintenance is convenient, the production cost is reduced.

The detailed arrangement of the zero line plug-in module is described in detail below with reference to fig. 2-4:

the zero line plug-in module a is including inserting connecting plate 1 in the direction jack 6, and set up binding post 2 on connecting plate upper portion, and set up connect the structure of inserting of connecting plate 1 lower part, binding post 2 has binding post 21, and this kind of connecting plate 1 is the PCB board of rectangle structure, has better structural strength, through setting up binding post 2 on connecting plate 1 convenient to the wiring operation of zero line, only need penetrate the outside zero line in binding post 21 locking can to make the zero line pass through binding post 2, connecting plate 1 and control mainboard 7 realize being connected, installation wiring convenient and fast.

As a specific structural arrangement, the plugging structure comprises a plugging connector 3 arranged at the lower part of the connecting plate 1 and a plugging seat 4 correspondingly arranged on the control main board 7, wherein a jack is arranged on the plugging seat 4, the plugging connector 3 is provided with a pin which is inserted into the jack in a matching way, and the tail end of the pin is fixedly connected with the connecting plate 1. According to the structure, the zero line plug-in module a consists of the connecting plate 1, the wiring terminal 2 and the plug-in structure, the plug-in structure comprises the plug-in connector 3 arranged at the lower part of the connecting plate 1 and is correspondingly provided with the plug-in connector 4 matched with the plug-in connector on the control main board 7, and the design has the advantages that the hard connection between the connecting plate and the control main board can be realized by the opposite plug-in installation of the plug-in connector and the plug-in connector 4 as long as the connecting plate 1 is vertically inserted into the guide jack 6, the plug-in connector and the plug-in connector adopt the plug-in connector principle design to realize quick plug-in connection, and the zero line plug-in module has the advantages of simple structure, convenient installation and use, modular connection effect and improvement of installation efficiency.

In this embodiment, as shown in connection with fig. 1-2, the circuit breaker housing 5 includes a base 51 and a middle cover 52, the guide jack 6 is vertically disposed on the middle cover 52, two limiting sliding grooves are relatively disposed on two side walls of the guide jack 6, so that two side edges of the connecting plate 1 are matched and inserted into the two limiting sliding grooves, and therefore the connecting plate 1 is guided and installed through the limiting sliding grooves, the connecting plate 1 is prevented from being deviated and swaying in the guide jack 6, and accordingly accuracy and stability of connection between the connecting plate 1 and the control main board 7 are guaranteed, and the installation is convenient and fast.

As a preferred embodiment, a cover plate 53 covering the guide jack 6 is further installed on the top of the middle cover 52, and the cover plate 53 is used for covering and protecting the zero line plug-in module a inserted in the guide jack 6, so as to prevent the zero line plug-in module from being plugged and unplugged by mistake. Meanwhile, in order to facilitate wiring correspondingly adjusting the direction of the wiring port 21, referring to fig. 2, the wiring terminal 2 is connected with the connecting plate 1 to form an L-shaped structure, a connecting port for connecting the guiding jack 6 is arranged on the side wall of the front end of the middle cover 52, the wiring terminal 2 is arranged at the connecting port, so that the wiring port 21 on the wiring terminal 2 is consistent with the opening direction of the connecting port, the wiring port 21 on the wiring terminal 2 is not shielded by the cover plate 53, and a zero line can be directly connected to the wiring port 21 from the front end position of the middle cover 52, thereby avoiding adopting a mode of wiring from the side face of the circuit breaker, having large operation space and facilitating wiring operation.

In combination with the illustration of fig. 2 and fig. 4, be provided with in the base 51 and cover the protecting cover 54 of control mainboard 7 top, play the guard action to the control mainboard 7 of installing in the base 51 through protecting cover 54, and be provided with location boss 8 on the protecting cover 54, the location boss 8 go up run-through be equipped with the location through-hole 9 that guide jack 6 is relative from top to bottom, socket 4 holds in location through-hole 9, during the installation, connecting plate 1 drives spigot 3 to penetrate in the location through-hole 9 with socket 4 is to the plug-in connection, wherein, location through-hole 9 include with connecting plate 1 matches the first hole portion that links to each other, and connect first hole portion and be fit for the second hole portion that spigot 3 penetrated, first hole portion and second hole portion link to each other and are T-shaped structure, make the lower tip portion location grafting of connecting plate 1 be in the first hole portion of location through-hole, the location through-hole 9 of this kind of T-shaped structure design just with connecting plate and plug-in phase adaptation, make connecting plate 1 drive spigot 3 penetrate in the location through-hole 9 with the plug-in the connection hole 9, thereby can be guaranteed to take the connecting plate 1 to take the effect to the connecting plate and take the stress to the connection to the connecting plate 1, thereby the high-stability is realized, and the connecting plate can be guaranteed to take the connection stress to the big end is realized to the connecting plate 1, and the high-stability, the high-stability is realized, and the connecting plate is connected, and the whole and the connecting plate can be connected to the connecting plate 1 and the situation has the high load, and the situation has the high stability.

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. The utility model provides a measurement circuit breaker's plug-in connection structure, is in including circuit breaker casing (5) and setting control mainboard (7) inside circuit breaker casing (5), its characterized in that: the circuit breaker casing (5) top is equipped with the direction jack (6) of its inner chamber of intercommunication, still including insert in direction jack (6) with zero line plug-in components module (a) that control mainboard (7) link to each other, zero line plug-in components module (a) top is in direction jack (6) port department is equipped with wiring port (21), make the zero line connect in wiring port (21), zero line plug-in components module (a) through connect the structure with control mainboard (7) form plug connection cooperation.

2. The pluggable connection structure of a measurement circuit breaker according to claim 1, wherein: the zero line plug-in module (a) comprises a connecting plate (1) inserted into the guide jack (6), a wiring terminal (2) arranged on the upper portion of the connecting plate, and a plug-in structure arranged on the lower portion of the connecting plate (1), wherein the wiring terminal (2) is provided with the wiring port (21).

3. The pluggable connection structure of a measurement circuit breaker according to claim 2, wherein: the plug structure comprises a plug connector (3) arranged at the lower part of the connecting plate (1) and a plug socket (4) correspondingly arranged on the control main board (7).

4. The plug-in connection of a measurement circuit breaker of claim 3, wherein: the socket (4) is provided with a jack, the plug (3) is provided with a contact pin which is inserted into the jack in a matching way, and the tail end of the contact pin is fixedly connected to the connecting plate (1).

5. The pluggable connection structure of a measurement circuit breaker as recited in claim 4, wherein: the connecting plate (1) is a rectangular PCB.

6. The plug-in connection of a measurement circuit breaker according to any one of claims 3-5, wherein: the circuit breaker shell (5) comprises a base (51) and a middle cover (52), the guide jack (6) vertically penetrates through the middle cover (52), two limiting sliding grooves are oppositely formed in the side walls of the two sides of the guide jack (6), and the two side edges of the connecting plate (1) are matched and inserted into the two limiting sliding grooves.

7. The pluggable connection structure of a measurement circuit breaker of claim 6, wherein: the connecting terminal (2) is connected with the connecting plate (1) to form an L-shaped structure, a connecting port connected with the guide jack (6) is arranged on the side wall of the front end of the middle cover (52), and the connecting terminal (2) is arranged at the connecting port to enable the connecting port (21) to be consistent with the opening direction of the connecting port.

8. The pluggable connection structure of the measurement circuit breaker as recited in claim 7, wherein: and a cover plate (53) covering the guide jack (6) is also arranged at the top of the middle cover (52).

9. The plug-in connection structure of a measuring circuit breaker according to claim 7 or 8, wherein: the novel socket is characterized in that a protecting cover (54) covering the upper part of the control main board (7) is arranged in the base (51), a positioning boss (8) is arranged on the protecting cover (54), a positioning through hole (9) opposite to the guiding insertion hole (6) from top to bottom is formed in the positioning boss (8) in a penetrating mode, the socket (4) penetrates into the positioning through hole (9), and the connecting plate (1) drives the plug connector (3) to penetrate into the positioning through hole (9) to be connected with the socket (4).

10. The plug-in connection of a measurement circuit breaker of claim 9, wherein: the positioning through hole (9) comprises a first hole part and a second hole part, wherein the first hole part is matched and connected with the connecting plate, the second hole part is connected with the first hole part and is suitable for the insertion head to penetrate, and the first hole part and the second hole part are connected to form a T-shaped structure.