Intelligent measurement circuit breaker zero line connection structure

Abstract

The utility model discloses an intelligent measurement circuit breaker null line connection structure, which comprises a circuit breaker shell, a null line combination hub, a female header connector and a null line pin header, and is characterized in that the null line combination hub is arranged in a mounting hole at the top of a circuit breaker and is provided with at least one plug-in port; a control panel is arranged in the circuit breaker shell, the female header connector is arranged on the control panel and arranged opposite to the null line combination hub up and down, and the null line pin header is connected between the null line combination hub and the female header connector in a pluggable mode. The structural design is simple and stable, reliable connection can be kept in different environments, meanwhile, maintenance and replacement are convenient, a traditional flexible connection mode is avoided, perpendicularity of the pin header is high, the pin header has good electrical performance and mechanical performance, the installation structure is simplified, zero line connection is convenient, installation efficiency is improved, and cost is reduced. The setting cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage electrical appliances, and in particular to a zero-line connection structure of an intelligent measuring circuit breaker. Background Art

[0002] The intelligent measuring circuit breaker has the functions of normal connection and disconnection of the distribution and utilization lines, as well as overload and short-circuit protection, and integrates high-precision and high-stability metering modules, carrier modules and controller modules, so that it has functions such as automatic topology recognition, communication encryption, and rapid determination of low-voltage fault information. This intelligent measuring circuit breaker is connected to multiple detection units through the controller module, and can collect multiple parameters such as current, voltage, and temperature to realize the protection and metering functions of the circuit breaker.

[0003] The main circuit of the existing intelligent measuring circuit breaker uses three-phase voltage, which cannot directly power the secondary circuit control unit and the controller. For this reason, an external neutral line is required to form a 220V power supply circuit with one of the phases. The common practice is to open a wiring port on the side of the circuit breaker, and then insert the neutral line into the circuit breaker from the wiring port, and then extend and weld it to the control board connected to the controller. This kind of neutral line wiring in the circuit breaker is redundant, resulting in a complex internal structure of the circuit breaker, and a complex welding process between the neutral line and the control board, inconvenient installation and maintenance, and high setting costs. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the problems in the prior art that the neutral line is inserted into the circuit breaker and connected to the control panel by welding, the welding process is complicated, the wiring in the circuit breaker is redundant, the installation and maintenance are inconvenient, and the setting cost is high.

[0005] In order to solve the above technical problems, the utility model provides an intelligent measuring circuit breaker neutral line connection structure, including a circuit breaker housing and a control panel arranged in the circuit breaker housing, and a mounting hole is opened on the top of the circuit breaker housing, and also includes:

[0006] A neutral line socket is arranged in the mounting hole and is provided with at least one plug interface;

[0007] A female connector is arranged on the control board and is arranged vertically opposite to the neutral line socket, and has at least one female connector hole with an opening facing the neutral line socket;

[0008] The neutral line pin row is connected between the neutral line socket and the female connector. One end of the neutral line pin row is connected to the neutral line socket, and the other end is detachably connected to the row socket.

[0009] As a preferred solution, the circuit breaker housing includes an upper cover, a middle cover and a base arranged in sequence from top to bottom, the mounting hole is arranged on the upper cover, the neutral wire socket is accommodated in the mounting hole and is fixedly connected to the middle cover, and the neutral wire pin row passes through the middle cover and is connected to the neutral wire socket.

[0010] As a preferred solution, the neutral line socket and the middle cover are fixedly connected via a connecting structure.

[0011] As a preferred solution, the connection structure includes an adapter plate fixedly connected to the bottom of the neutral wire socket, and a screw structure or a snap-on structure for fixing the adapter plate to the middle cover, and a groove structure suitable for installing and accommodating the adapter plate is provided on the middle cover.

[0012] As a preferred solution, the middle cover is provided with a pinhole structure for the neutral line pin to pass through and connected to the mounting hole. One end of the neutral line pin is fixed in the adapter plate after passing through the pinhole structure, and the other end forms a pluggable connection with the female connector.

[0013] As a preferred solution, the control board is installed in a cover shell, the cover shell is installed between the middle cover and the base, the middle cover is provided with a controller connected to the control board by upper and lower plugs, and the neutral line pin header and the neutral line socket are located on one side of the controller.

[0014] As a preferred solution, the cover shell is extended to form an open portion with an opening toward the neutral line socket, the control board has a connecting portion extending into the open portion, and the female connector is arranged in the connecting portion and accommodated in the open portion.

[0015] As a preferred solution, the middle cover includes an insertion rod extending inside the middle cover along the length direction of the neutral line pin, and a guide channel penetrating the insertion rod, the neutral line pin is inserted into the guide channel, the lower end of the insertion rod is inserted into the open portion, and the two ends of the guide channel are respectively connected to the pinhole structure and the open portion.

[0016] As a preferred solution, the female connector extends a set distance along the length direction of the neutral pin header, and extends out of the open portion to be inserted into the guide channel to connect with the neutral pin header.

[0017] As a preferred solution, two neutral wire pin headers are provided between the neutral wire socket and the female connector, and at least one supporting block is sleeved on the two neutral wire pin headers.

[0018] Compared with the prior art, the technical solution of the utility model has the following advantages:

[0019] 1. In the neutral line connection structure of the intelligent measuring circuit breaker provided by the utility model, the neutral line socket is arranged in the mounting hole on the top of the circuit breaker housing, and is plugged into the female connector arranged on the control board through the neutral line pin row, so that the circuit between the neutral line socket and the control board is realized, so that the external neutral line is connected to the plug interface of the neutral line socket. In this structural arrangement, the neutral line socket and the control board are connected by the plug-in and pull-out method of the pin and female row. This structural design is not only simple but also stable, and can maintain a reliable connection in different environments. It is also convenient for maintenance and replacement, and also plays a dustproof and sealing role, avoiding the use of traditional soft connection methods. This pin row has high verticality and good electrical and mechanical properties, so that the neutral line socket can be plugged and unplugged on the circuit breaker through the cooperation of the neutral line pin row and the female connector, which simplifies the installation structure, makes installation and use more flexible, facilitates the connection of the neutral line, improves installation efficiency, and reduces installation costs.

[0020] 2. In the neutral line connection structure of the intelligent measuring circuit breaker provided by the utility model, an adapter plate is provided at the bottom of the neutral line socket, and the adapter plate is fixed to the middle cover by screws, so as to realize the fixed connection between the neutral line socket and the middle cover, and drive the neutral line pin row to pass through the middle cover and be connected with the female connector, and then when the upper cover is installed to the middle cover, the neutral line socket is just accommodated in the mounting hole of the upper cover. This structural setting, through the adapter plate, not only plays the role of installing and connecting the neutral line socket on the middle cover, but also facilitates the installation and fixation of the neutral line socket, and also plays the role of connecting the neutral line sheet and the neutral line socket.

[0021] 3. In the neutral line connection structure of the intelligent measuring circuit breaker provided by the utility model, a plug rod extending along the length direction of the neutral line pin row is provided in the middle cover. When the middle cover is installed, the lower end of the plug rod is inserted into the open part of the cover shell, and the female connector is extended out of the open part and inserted into the guide channel. The advantage of such a design is that the neutral line pin row is directly inserted into the guide channel of the plug rod through the middle cover, so that the neutral line pin row and the female connector are plugged and connected in the guide channel. The guide channel plays an installation guiding role for the connection between the neutral line pin row and the female connector, and also has dustproof and sealing effects. Moreover, the plug rod can play an installation protection role for the neutral line pin row of the guide channel, so as to avoid erosion and damage to the neutral line pin row caused by some free gases generated by the circuit breaker disconnection, thereby ensuring the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for use in the specific implementation or the description of the prior art will be briefly introduced below.

[0023] Figure 1 It is a planar structural diagram of the neutral line connection structure of the intelligent measuring circuit breaker of the utility model;

[0024] Figure 2 for Figure 1 Schematic diagram of the cross-section structure along line AA;

[0025] Figure 3 for Figure 1 The structure diagram of the intelligent measuring circuit breaker after the upper cover is hidden is shown;

[0026] Figure 4 It is a schematic diagram of the connection structure of the neutral line connection structure of the intelligent measuring circuit breaker of the present utility model.

[0027] Explanation of the reference numerals: 1. Neutral line socket; 11. Plug interface; 2. Neutral line pin header; 21. Support block; 3. Female connector; 4. Adapter board; 5. Control board; 6. Controller; 7. Cover; 71. Opening portion; 8. Circuit breaker housing; 81. Upper cover; 82. Middle cover; 83. Base; 9. Insert rod; 91. Guide channel. DETAILED DESCRIPTION

[0028] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be noted that the terms "first", "second" and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Example

[0032] This embodiment provides Figure 1-4 The present invention shows an intelligent measuring circuit breaker neutral line connection structure, comprising a circuit breaker housing 8 and a control panel 5 disposed in the circuit breaker housing 8, and a mounting hole is provided on the top of the circuit breaker housing 8, and further comprising:

[0033] A neutral line socket 1 is arranged in the mounting hole and is provided with at least one plug interface 11;

[0034] A row female connector 3 is arranged on the control board 5 and is arranged vertically opposite to the neutral line socket 1, and has at least one row socket opening facing the neutral line socket 1;

[0035] The neutral line pin row 2 is connected between the neutral line socket 1 and the female connector 3. One end of the neutral line pin row 2 is connected to the neutral line socket 1, and the other end is detachably connected to the female connector.

[0036] The above implementation mode is the core technical solution of this embodiment. The neutral line socket 1 is set in the mounting hole on the top of the circuit breaker housing 8, and is plugged into the female connector 3 set on the control board 5 through the neutral line pin 2, so that the circuit between the neutral line socket 1 and the control board 5 is realized. Therefore, it is only necessary to connect the external neutral line to the plug interface 11 of the neutral line socket 1. In this structural setting, the neutral line socket 1 and the control board 5 are connected by plugging and unplugging the pin and female connectors. This structural design is not only simple but also stable, and can maintain a reliable connection in different environments. It is also convenient for maintenance and replacement, and also plays a dustproof and sealing role, avoiding the use of traditional soft connection methods. This pin has high verticality and good electrical and mechanical properties, so that the neutral line socket 1 can be plugged and unplugged on the circuit breaker through the cooperation of the neutral line pin 2 and the female connector 3, which simplifies the installation structure, makes installation and use more flexible, facilitates the connection of the neutral line, improves installation efficiency, and reduces installation costs.

[0037] Further preferably, Figure 2-3 As shown, the circuit breaker housing 8 includes an upper cover 81, a middle cover 82 and a base 83 which are arranged in sequence from top to bottom, the mounting hole is arranged on the upper cover 81, the neutral line socket 1 is accommodated in the mounting hole and is fixedly connected to the middle cover 82, the neutral line pin 2 passes through the middle cover 82 and is connected to the neutral line socket 1, specifically, a pinhole structure for the neutral line pin 2 to pass through and communicate with the mounting hole is arranged on the middle cover 82, one end of the neutral line pin 2 is fixed to the adapter plate 4 after passing through the pinhole structure, and the other end thereof forms a pluggable connection with the female connector 3, that is, the neutral line pin 2 is connected to the neutral line socket 1 through the adapter plate 4, so that the installation requirement of the position staggered between the neutral line pin 2 and the neutral line socket 1 can be met, the neutral line socket 1 and the neutral line pin 2 using the technical solution form a whole and can be plugged and unplugged in the circuit breaker housing 8, the installation and use are more flexible, and the subsequent maintenance is also convenient.

[0038] As a specific structural setting, two neutral wire pin headers 2 are inserted between the neutral wire socket 1 and the female connector 3, and two corresponding sockets are provided on the neutral wire socket. If one of the neutral wire pin headers fails to conduct due to poor contact or other faults, the neutral wire connection can still be achieved through the other neutral wire pin header, which can play a backup connection effect, and at least one supporting block 21 is sleeved on the two neutral wire pin headers 2. The supporting block 21 can improve the structural strength and verticality of the plug-in connection of the two neutral wire pin headers, and the structural stability is better.

[0039] Combination Figure 2-4 As shown, the neutral line socket 1 and the middle cover 82 are fixedly connected by a connecting structure. It is further preferably provided that the connecting structure includes an adapter plate 4 fixedly connected to the bottom of the neutral line socket 1, and a screw structure or a buckle structure for fixing the adapter plate 4 on the middle cover 82, and a groove structure suitable for installing and accommodating the adapter plate 4 is provided on the middle cover 82, so that the adapter plate 4 can be prevented from protruding from the middle cover 82 after installation. During installation, the adapter plate 4 can be preferably fixed to the middle cover 82 by means of a screw structure, so as to achieve a fixed connection between the neutral line socket 1 and the middle cover 82, ensure the stability of the neutral line socket 1, and at the same time drive the neutral line pin 2 to pass through the middle cover 82 and realize a plug-in connection with the female connector 3, and then when the upper cover 81 is installed on the middle cover 82, the neutral line socket 1 is accommodated in the mounting hole of the upper cover 81. This structural setting plays an installation and connection role for the neutral line socket 1 through the adapter plate 4, facilitates the installation and fixation of the neutral line socket, and is conducive to improving the installation efficiency.

[0040] In this embodiment, the control board 5 is installed in the cover shell 7, and the cover shell 7 is installed between the middle cover 82 and the base 83. The middle cover 82 is provided with a controller 6 which is plugged and connected to the control board 5 up and down. The neutral pin 2 and the neutral socket 1 are located on one side of the controller 6, wherein the cover shell 7 is extended to form an open portion 71 with an opening facing the neutral socket 1, and the control board 5 has a connecting portion extending into the open portion 71, and the female connector 3 is arranged in the connecting portion and accommodated in the open portion 71. By reasonably arranging and designing the positional relationship between the neutral socket 1, the neutral pin 2, the female connector 3 and the controller 6, the installation position of the neutral socket 1 and the neutral pin 2 avoids the controller 6, and also facilitates the plug-in connection between the female connector 3 and the neutral pin 2.

[0041] For further optimization, refer to Figure 2The middle cover 82 includes an insertion rod 9 extending along the length direction of the neutral pin 2 and arranged in the middle cover 82, and a guide channel 91 penetrating the insertion rod 9, the neutral pin 2 is inserted into the guide channel 91, and the lower end of the insertion rod 9 is inserted into the open portion 71, and the two ends of the guide channel 91 are respectively connected to the pinhole structure and the open portion 71, wherein the female connector 3 extends a set distance along the length direction of the neutral pin 2, and extends out of the open portion 71 and is inserted into the guide channel 91 to be connected to the neutral pin 2. The advantage of such a design is that, when installing the middle cover 82, the lower end of the plug rod 9 is inserted into the open portion 71 of the cover 7, and the female connector 3 is extended out of the open portion 71 and inserted into the guide channel 91, so that the neutral pin 2 can be directly inserted into the guide channel 91 of the plug rod 9 through the middle cover 82, so that the neutral pin 2 and the female connector 3 can be plugged and connected in the guide channel 91, and a sealing effect can be achieved after the lower port of the guide channel 91 is matched and connected with the female connector 3. The guide channel 91 plays an installation guiding role in the connection between the neutral pin 2 and the female connector 3, and also has dustproof and sealing effects. The plug rod 9 plays an installation protection role for the neutral pin 2 of the guide channel 91, thereby effectively avoiding the corrosion damage to the neutral pin caused by some free gases generated by the circuit breaker disconnection, thereby ensuring the safety of use.

[0042] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. An intelligent measuring circuit breaker neutral line connection structure, comprising a circuit breaker housing (8) and a control panel (5) arranged in the circuit breaker housing (8), and a mounting hole is opened on the top of the circuit breaker housing, characterized in that: Also includes: A neutral line socket (1) is arranged in the mounting hole and is provided with at least one plug interface (11); A female connector (3) is arranged on the control board (5) and is arranged vertically opposite to the neutral line socket (1), and has at least one female connector hole with an opening facing the neutral line socket (1); A neutral pin row (2) is connected between the neutral socket (1) and the female connector (3); one end of the neutral pin row (2) is connected to the neutral socket (1), and the other end is detachably connected to the row socket.

2. According to claim 1, the intelligent measuring circuit breaker neutral line connection structure is characterized in that: The circuit breaker housing (8) comprises an upper cover (81), a middle cover (82) and a base (83) which are arranged in sequence from top to bottom; the mounting hole is arranged on the upper cover (81); the neutral line socket (1) is accommodated in the mounting hole and is fixedly connected to the middle cover (82); the neutral line pin row (2) passes through the middle cover (82) and is connected to the neutral line socket (1).

3. The intelligent measuring circuit breaker neutral line connection structure according to claim 2, characterized in that: The neutral line socket (1) and the middle cover (82) are fixedly connected via a connecting structure.

4. The intelligent measuring circuit breaker neutral line connection structure according to claim 3, characterized in that: The connection structure comprises an adapter plate (4) fixedly connected to the bottom of the neutral line socket (1), and a screw structure or a buckle structure for fixing the adapter plate (4) on the middle cover (82), and a groove structure suitable for installing and accommodating the adapter plate (4) is provided on the middle cover (82).

5. The intelligent measuring circuit breaker neutral line connection structure according to claim 4, characterized in that: The middle cover (82) is provided with a pinhole structure through which the neutral pin (2) can pass and which is connected to the mounting hole; one end of the neutral pin (2) passes through the pinhole structure and is fixed in the adapter plate (4), while the other end forms a pluggable connection with the female connector (3).

6. The intelligent measuring circuit breaker neutral line connection structure according to claim 5, characterized in that: The control panel (5) is installed in a cover (7), and the cover (7) is installed between the middle cover (82) and the base (83). The middle cover (82) is provided with a controller (6) connected to the control panel (5) by plugging in and out, and the neutral line pin row (2) and the neutral line socket (1) are located on one side of the controller (6).

7. The intelligent measuring circuit breaker neutral line connection structure according to claim 6, characterized in that: The cover shell (7) is extended to form an open portion (71) with an opening facing the neutral line socket (1), the control board (5) has a connecting portion extending into the open portion (71), and the female connector (3) is arranged in the connecting portion and accommodated in the open portion (71).

8. The intelligent measuring circuit breaker neutral line connection structure according to claim 7, characterized in that: The middle cover (82) comprises an insertion rod (9) extending along the length direction of the neutral line pin (2) and arranged inside the middle cover (82), and a guide channel (91) penetrating the insertion rod (9), the neutral line pin (2) is inserted into the guide channel (91), the lower end of the insertion rod (9) is inserted into the open portion (71), and the two ends of the guide channel (91) are respectively connected to the pinhole structure and the open portion (71).

9. The intelligent measuring circuit breaker neutral line connection structure according to claim 8, characterized in that: The female connector (3) extends a set distance along the length direction of the neutral pin header (2), and extends out of the open portion (71) to be inserted into the guide channel (91) to be connected to the neutral pin header (2).

10. The intelligent measuring circuit breaker neutral line connection structure according to claim 1, characterized in that: Two neutral line pin headers (2) are inserted between the neutral line socket (1) and the female connector (3), and at least one supporting block (21) is sleeved on the two neutral line pin headers (2).

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