Circuit breaker

Abstract

The utility model belongs to the technical field of low-voltage electric appliances, and discloses a circuit breaker, which comprises a circuit breaker body, a terminal group, a special accessory group and a conventional accessory group, and is characterized in that one side of the circuit breaker body is sequentially provided with a first mounting area, a second mounting area and a third mounting area along a first direction; the terminal group is arranged in the first mounting area and comprises a plurality of secondary terminals; the special accessory group is arranged in the second mounting area and comprises at least one special accessory, and the special accessory is electrically connected with the corresponding secondary terminal; the conventional accessory set is arranged in the third installation area and comprises at least one conventional accessory, and the conventional accessory is connected with the corresponding special accessory or electrically connected with the corresponding secondary terminal. According to the circuit breaker provided by the utility model, the accessories are arranged in order, so that the installation is convenient, and the situations of installation errors and wiring errors of the accessories are effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage electrical appliances, in particular to a circuit breaker. Background Art

[0002] At present, circuit breakers usually use external mounting to install accessories. With the development of the national intelligent power distribution strategy, the number of accessories required by circuit breakers to feedback product status is increasing. However, the space for installing accessories on circuit breakers is small, and the accessories are arranged in a messy manner, which makes installation inconvenient. Moreover, errors are prone to occur during installation and wiring, resulting in the failure of accessory functions. Therefore, a circuit breaker is urgently needed to solve the above technical problems. Utility Model Content

[0003] The utility model aims to provide a circuit breaker, wherein the accessories are neatly arranged, the installation is convenient, and the occurrence of accessory installation errors and wiring errors is effectively prevented.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] A circuit breaker is provided, comprising:

[0006] A circuit breaker body, wherein a first installation area, a second installation area and a third installation area are sequentially provided on one side of the circuit breaker body along a first direction;

[0007] A terminal group, disposed in the first installation area, the terminal group comprising a plurality of secondary terminals;

[0008] A special accessory group, arranged in the second installation area, the special accessory group includes at least one special accessory, and the special accessory is electrically connected to the corresponding secondary terminal;

[0009] A conventional accessory group is arranged in the third installation area, and the conventional accessory group includes at least one conventional accessory, and the conventional accessory is connected to the corresponding special accessory or is electrically connected to the corresponding secondary terminal.

[0010] Optionally, the conventional accessory group includes a closing electromagnet, a shunt release and / or an undervoltage release, and the closing electromagnet, the shunt release and the undervoltage release can be electrically connected to the corresponding secondary terminals respectively.

[0011] Optionally, the special accessory group includes a voltage detection delay module, and the closing electromagnet and the undervoltage release can be electrically connected to the voltage detection delay module.

[0012] Optionally, it also includes a controller arranged on one side of the conventional accessory group along the second direction, the special accessory group includes a power module and a relay module, the closing electromagnet and the shunt release can be electrically connected to the power module through the relay module, and the relay module and the power module are both electrically connected to the controller.

[0013] Optionally, it also includes a controller and a monitoring element arranged on one side of the conventional accessory group along the second direction, the special accessory group includes an electrical monitoring module electrically connected to the controller, and the closing electromagnet, shunt release, undervoltage release and monitoring element can all be electrically connected to the electrical monitoring module.

[0014] Optionally, the conventional accessory group includes a tripping execution component, and the special accessory group includes an undervoltage delay module and / or a loss of voltage delay module, and both the undervoltage delay module and the loss of voltage delay module can be electrically connected to the tripping execution component.

[0015] Optionally, it further includes a controller arranged on one side of the conventional accessory group along the second direction, and the special accessory group includes a communication module, and the communication module is electrically connected to the controller.

[0016] Optionally, a base is provided on the circuit breaker body, and the special accessory group is arranged on the base.

[0017] Optionally, the terminal group further includes:

[0018] A terminal support, arranged on the circuit breaker body, the terminal support comprising two support side plates spaced apart along the second direction, the support side plates being provided with a slide groove;

[0019] The terminal support plate has sliders corresponding to the corresponding side slide grooves at both ends along the second direction, and the sliders are slidably arranged in the corresponding slide grooves. A plurality of secondary terminals are arranged side by side along the second direction on the terminal support plate.

[0020] Optionally, the slide groove includes a first groove portion extending along a third direction and a second groove portion arranged at an angle to the first groove portion, and the first groove portion is connected to one end of the circuit breaker body along the third direction and the second groove portion is connected to one end of the circuit breaker body along the third direction.

[0021] Beneficial effects:

[0022] The circuit breaker provided by the utility model divides a first installation area, a second installation area and a third installation area on one side of the circuit breaker, and the secondary terminal is arranged in the first installation area, and the special accessory group is arranged in the second installation area according to the wiring relationship, and the conventional accessory group is arranged in the third installation area. The accessories are arranged neatly, which is convenient for installation and effectively prevents the occurrence of accessory installation errors and wiring errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the circuit breaker provided by the utility model;

[0024] Figure 2 It is a partial structural schematic diagram of the circuit breaker provided by the utility model.

[0025] In the figure:

[0026] 100, circuit breaker body; 101, first installation area; 102, second installation area; 103, third installation area; 110, base; 120, operating mechanism; 121, cover plate;

[0027] 200, terminal group; 210, secondary terminal; 211, buckle; 220, terminal bracket; 221, supporting side plate; 2211, slide groove; 22111, first groove portion; 22112, second groove portion; 230, terminal support plate; 231, slider; 232, mounting hole;

[0028] 300, Special accessories group;

[0029] 400, conventional accessory group;

[0030] 500, controller;

[0031] 600, monitoring element;

[0032] 700. Auxiliary switch. DETAILED DESCRIPTION

[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0037] Reference Figure 1 to Figure 2 As shown, this embodiment provides a circuit breaker, which includes a circuit breaker body 100 , a terminal group 200 , a special accessory group 300 and a conventional accessory group 400 .

[0038] Specifically, a first installation area 101, a second installation area 102 and a third installation area 103 are sequentially provided on one side of the circuit breaker body 100 along a first direction; a terminal group 200 is provided in the first installation area 101, and the terminal group 200 includes a plurality of secondary terminals 210; a special accessory group 300 is provided in the second installation area 102, and the special accessory group 300 includes at least one special accessory, and the special accessory is electrically connected to the corresponding secondary terminal 210; a conventional accessory group 400 is provided in the third installation area 103, and the conventional accessory group 400 includes at least one conventional accessory, and the conventional accessory is connected to the corresponding special accessory or electrically connected to the corresponding secondary terminal 210. The a direction in the figure is the first direction, and the first direction may be the height direction of the circuit breaker.

[0039] Exemplarily, the accessories in the special accessory group 300 may be arranged side by side along the second direction. The direction b in the figure is the second direction, and the second direction may be the width direction of the circuit breaker.

[0040] In this embodiment, a first installation area 101, a second installation area 102 and a third installation area 103 are divided on one side of the circuit breaker body 100, and the secondary terminal 210 is arranged in the first installation area 101, and the special accessory group 300 is arranged in the second installation area 102 according to the wiring relationship, and the conventional accessory group 400 is arranged in the third installation area 103. The accessories are arranged neatly, which is convenient for installation and effectively prevents the occurrence of accessory installation errors and wiring errors.

[0041] In this embodiment, the circuit breaker also includes an operating mechanism 120, which is arranged on one side of the circuit breaker body 100 where the special accessory group 300 and the conventional accessory group 400 are provided. The operating mechanism 120 is provided with a cover plate 121, and conventional accessories can be fixed on the cover plate 121. The structure is compact and convenient for fixing and assembling conventional components.

[0042] In some embodiments, the conventional accessory group 400 includes but is not limited to a closing electromagnet, a shunt release, and an undervoltage release. It is understandable that the closing electromagnet, the shunt release, and the undervoltage release are all conventional accessories. Exemplarily, the conventional accessory group 400 may include one or more of a closing electromagnet, a shunt release, an undervoltage release, and other conventional accessories. Exemplarily, the number of the closing electromagnet, the shunt release, and the undervoltage release may be one or more.

[0043] In a feasible implementation manner, the closing electromagnet, the shunt release, and the undervoltage release are electrically connected to the corresponding secondary terminals 210 , respectively.

[0044] In a feasible implementation, the special accessory group 300 includes a voltage delay module, that is, the voltage delay module is a special accessory, and the closing electromagnet and the undervoltage release are electrically connected to the voltage delay module. In this embodiment, when the circuit breaker is undervoltage or loses pressure, that is, after tripping, when the voltage delay module detects that the voltage has returned to a normal value, the voltage delay module can control the closing electromagnet to close the circuit breaker, effectively preventing the occurrence of long-term power outages, and reducing the risk of live maintenance of grid-connected power supply, which is convenient for operation and maintenance.

[0045] In a feasible implementation, the circuit breaker further includes a controller 500 arranged on one side of the conventional accessory group 400 along the second direction, and the special accessory group 300 includes a power module and a relay module, that is, the power module and the relay module are both special accessories, and the closing electromagnet and the shunt release can be electrically connected to the power module through the relay module, and the relay module and the power module are both electrically connected to the controller 500. Among them, the relay module includes a plurality of relays, and the closing electromagnet and the shunt release are arranged in a one-to-one correspondence with the relay. In this embodiment, the controller 500 controls the on-off of the closing electromagnet and the shunt release and the power module through the relay module, thereby realizing the closing and tripping of the circuit breaker.

[0046] In a feasible implementation, the circuit breaker further includes a monitoring element 600 disposed on one side of the conventional accessory group 400 along the second direction, and the special accessory group 300 includes an electrical monitoring module electrically connected to the controller 500, that is, the electrical monitoring module is a special accessory, and the closing electromagnet, the shunt release, the undervoltage release and the monitoring element 600 can all be electrically connected to the electrical monitoring module. Among them, the monitoring element 600 and the controller 500 can be disposed on the same side of the conventional accessory group 400. In this embodiment, the closing electromagnet, the shunt release or the undervoltage release is controlled to close, open or trip the circuit breaker according to whether the data detected by the monitoring element 600 received by the electrical monitoring module meets the requirements.

[0047] Exemplarily, the monitoring element 600 includes, but is not limited to, a temperature and humidity monitoring sensor element and an energy storage readiness sensor element.

[0048] In a feasible implementation, the circuit breaker further includes an auxiliary switch 700, and the auxiliary switch 700 can be electrically connected to the corresponding secondary terminal 210. Exemplarily, the auxiliary switch 700 is arranged on a side of the conventional accessory group 400 facing away from the controller 500 along the second direction.

[0049] In a feasible implementation, the special accessory group 300 includes a communication module, that is, the communication module is a special accessory, and the communication module is electrically connected to the controller 500. The controller 500 can be connected to an external device through the communication module. Among them, the external device includes but is not limited to a PC host, a portable handheld device, and a cloud host.

[0050] In other embodiments, the conventional accessory group 400 includes a tripping execution component, and the special accessory group 300 includes an undervoltage delay module and / or a loss of voltage delay module, that is, the undervoltage delay module and the loss of voltage delay module are both special accessories, and the undervoltage delay module and the loss of voltage delay module can be electrically connected to the tripping execution component. Among them, the tripping execution component includes a coil and an armature. In this embodiment, when the undervoltage delay module detects that the line is undervoltage for a short time, the undervoltage delay module can control the tripping execution component to delay disconnecting the circuit breaker. If the voltage returns to a normal value within the allowed time range, the tripping execution component does not act, that is, the circuit breaker does not disconnect; when the loss of voltage delay module detects that the line is short-term power failure, the loss of voltage delay module can control the tripping execution component to delay disconnecting the circuit breaker. If the voltage returns to a normal value within the allowed time range, the tripping execution component does not act, that is, the circuit breaker does not disconnect. Of course, in this embodiment, the conventional accessory group 400 can also include accessories such as a closing electromagnet, a shunt release, and an undervoltage release.

[0051] In this embodiment, a plurality of second installation areas 102 are provided between the first installation area 101 and the third installation area 103. It can be understood that a plurality of rows of special accessories can be provided between the first installation area 101 and the third installation area 103, which has a compact structure and improves the applicability of the circuit breaker.

[0052] In this embodiment, a base 110 is disposed on the circuit breaker body 100 , and a special accessory set 300 can be disposed on the base 110 to facilitate installation of the special accessory set 300 .

[0053] Exemplarily, the special accessory set 300 may be fixed to the base 110 by snap-fitting, screw-fastening or other methods.

[0054] Exemplarily, the auxiliary switch 700 may also be disposed on the base 110 to facilitate installation of the auxiliary switch 700 .

[0055] Exemplarily, the base 110 may be covered with an upper cover (not shown) to form a junction box structure to protect the special accessory set 300 .

[0056] In this embodiment, the terminal group 200 further includes a terminal bracket 220 and a terminal support plate 230. The terminal bracket 220 is arranged on the circuit breaker body 100. The terminal bracket 220 includes two support side plates 221 spaced apart along the second direction. The support side plates 221 are provided with slide grooves 2211. The two ends of the terminal support plate 230 along the second direction are respectively provided with sliders 231 corresponding to the corresponding side slide grooves 2211. The sliders 231 are slidably arranged in the corresponding slide grooves 2211. A plurality of secondary terminals 210 are arranged side by side along the second direction on the terminal support plate 230. In this embodiment, the position of the terminal support plate 230 can be adjusted by the cooperation of the sliders 231 and the slide grooves 2211 to form a gap, so as to facilitate the assembly of special accessories and conventional accessories and facilitate wiring.

[0057] Exemplarily, a plurality of slide grooves 2211 , for example, two slide grooves 2211 are provided at intervals along the first direction on each supporting side plate 221 , and the sliding blocks 231 are provided in a one-to-one correspondence with the slide grooves 2211 .

[0058] Specifically, the slide groove 2211 may include a first groove portion 22111 extending along a third direction and a second groove portion 22112 arranged at an angle to the first groove portion 22111, and an end of the first groove portion 22111 along the third direction facing the circuit breaker body 100 is connected to an end of the second groove portion 22112 along the third direction facing away from the circuit breaker body 100. Figure 2 The c direction in the figure is the third direction, and the third direction may be the depth direction of the circuit breaker. In this embodiment, better clearance can be achieved by disposing the first groove 22111 and the second groove 22112.

[0059] Specifically, buckles 211 are respectively provided at both ends of the secondary terminal 210 , and a mounting hole 232 is provided on the terminal support plate 230 . The secondary terminal 210 is snapped into the mounting hole 232 through the buckles 211 , so as to facilitate assembly.

[0060] Specifically, the terminal bracket 220 further includes a supporting bottom plate (not shown) disposed between the two supporting side plates 221, that is, the terminal bracket 220 is U-shaped, the first side of the supporting bottom plate abuts against the circuit breaker body 100, and the second side of the supporting bottom plate abuts against the base 110, thereby improving the compactness of the circuit breaker structure. Exemplarily, the circuit breaker body 100, the base 110 and the terminal bracket 220 can be fixed together by screw fastening.

[0061] Exemplarily, the support base plate may extend to the second mounting area 102 of the circuit breaker body 100 .

[0062] Specifically, the terminal support plate 230 can be arranged perpendicular to the first direction so that the secondary terminal 210 has a structural feature of being connected up and down along the length direction of the circuit breaker, and the second installation area 102 can have a large enough space to install the special accessory set 300.

[0063] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A circuit breaker, characterized in that: include: A circuit breaker body (100), wherein a first installation area (101), a second installation area (102) and a third installation area (103) are sequentially provided on one side of the circuit breaker body (100) along a first direction; A terminal group (200) is arranged in the first installation area (101), and the terminal group (200) includes a plurality of secondary terminals (210); A special accessory group (300) is arranged in the second installation area (102), the special accessory group (300) includes at least one special accessory, and the special accessory is electrically connected to the corresponding secondary terminal (210); A conventional accessory group (400) is arranged in the third installation area (103), and the conventional accessory group (400) includes at least one conventional accessory, and the conventional accessory is connected to the corresponding special accessory or is electrically connected to the corresponding secondary terminal (210).

2. The circuit breaker according to claim 1, characterized in that: The conventional accessory group (400) comprises a closing electromagnet, a shunt release and / or an undervoltage release, and the closing electromagnet, the shunt release and the undervoltage release can be electrically connected to the corresponding secondary terminal (210) respectively.

3. The circuit breaker according to claim 2, characterized in that: The special accessory group (300) comprises a voltage detection delay module, and the closing electromagnet and the undervoltage release can both be electrically connected to the voltage detection delay module.

4. The circuit breaker according to claim 2, characterized in that: It also includes a controller (500) arranged on one side of the conventional accessory group (400) along the second direction, the special accessory group (300) includes a power module and a relay module, the closing electromagnet and the shunt release can be electrically connected to the power module through the relay module, and the relay module and the power module are both electrically connected to the controller (500).

5. The circuit breaker according to claim 2, characterized in that: It also includes a controller (500) and a monitoring element (600) arranged on one side of the conventional accessory group (400) along the second direction, the special accessory group (300) includes an electrical monitoring module electrically connected to the controller (500), and the closing electromagnet, shunt release, undervoltage release and monitoring element (600) can all be electrically connected to the electrical monitoring module.

6. The circuit breaker according to claim 1, characterized in that: The conventional accessory group (400) comprises a tripping execution component, and the special accessory group (300) comprises an undervoltage delay module and / or a loss of voltage delay module, and both the undervoltage delay module and the loss of voltage delay module can be electrically connected to the tripping execution component.

7. The circuit breaker according to claim 1, characterized in that: It also includes a controller (500) arranged on one side of the conventional accessory group (400) along the second direction, and the special accessory group (300) includes a communication module, and the communication module is electrically connected to the controller (500).

8. The circuit breaker according to claim 1, characterized in that: A base (110) is provided on the circuit breaker body (100), and the special accessory group (300) is arranged on the base (110).

9. The circuit breaker according to claim 1, characterized in that: The terminal set (200) further comprises: A terminal support (220) is arranged on the circuit breaker body (100), the terminal support (220) comprising two support side plates (221) arranged at intervals along the second direction, and the support side plates (221) are provided with a sliding groove (2211); The terminal support plate (230) is provided with sliders (231) corresponding to the corresponding side slide grooves (2211) at both ends along the second direction, and the sliders (231) are slidably arranged in the corresponding slide grooves (2211). A plurality of secondary terminals (210) are arranged side by side along the second direction on the terminal support plate (230).

10. The circuit breaker according to claim 9, characterized in that The slide groove (2211) comprises a first groove portion (22111) extending along a third direction and a second groove portion (22112) arranged at an angle to the first groove portion (22111), wherein one end of the first groove portion (22111) along the third direction toward the circuit breaker body (100) is connected to one end of the second groove portion (22112) along the third direction away from the circuit breaker body (100).

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