Intelligent Measuring Circuit Breaker

Abstract

The intelligent measurement circuit breaker disclosed in the present application includes a circuit breaker body, a connection member, and an intelligent module. The circuit breaker body and the intelligent module are respectively provided with a first groove and a second groove. The connection member includes a first side and a second side arranged oppositely. The circuit breaker body and the intelligent module are detachably and fixedly connected through the guide groove and the groove of the connection member. Therefore, flexible replacement can be achieved when the intelligent module fails, and the replacement cost of the intelligent measurement circuit breaker is reduced.

Description

Technical Field

[0001] This application claims priority based on a Chinese patent application with application number 202310029185.8, filed with the Chinese Patent Office on January 19, 2023, and incorporates the entire content of the Chinese patent application herein by reference.

[0002] This application relates to the technical field of circuit breakers, particularly intelligent measurement circuit breakers.

Background Art

[0003] An intelligent circuit breaker, which is one of the important protection devices in the power system distribution network, is an important low-voltage switching electrical device that protects the power system distribution network and electrical equipment from hazards such as residual current, short circuit, under / over voltage, over current, overload, etc., and plays a very important protection role in power transmission networks and electrical equipment in industrial and mining enterprises.

[0004] With the construction and use of ubiquitous power grids, there is a strong demand for intelligent circuit breakers. In the process of researching and developing intelligent circuit breakers, the applicant found that existing intelligent circuit breaker products generally have a structure in which the product body and the electronic intelligent unit structure are integrated. When some parts of the intelligent circuit breaker are damaged, it is necessary to replace the entire intelligent circuit breaker, resulting in a significant increase in the replacement cost of the intelligent circuit breaker.

Summary of the Invention

Problems to be Solved by the Invention

[0005] The intelligent measurement circuit breaker provided in this application can be flexibly replaced when the intelligent module fails, thus significantly reducing the replacement cost of the intelligent measurement circuit breaker. At the same time, it can be produced in a modular manner, realizing the diversification of the application scenarios of the circuit breaker.

Means for Solving the Problems

[0006] To achieve this objective, this application employs the following technical solutions.

[0007] An intelligent measuring circuit breaker, comprising a circuit breaker body, a connecting member, and an intelligent module, The circuit breaker body is provided with a first groove, The connecting member includes a first side and a second side opposite to the first side, the first side being provided with a first guide groove and the second side being provided with a second guide groove. The intelligent module is provided with a second groove, Here, the first side of the first guide groove and the second guide groove engages with the first groove, and the second side of the first guide groove and the second guide groove opposite to the first side engages with the second groove, thereby realizing a detachable fixed connection between the circuit breaker body and the intelligent module.

[0008] In one embodiment, the first groove includes a first dovetail groove and a second dovetail groove, the first side of the first guide groove engages with the first dovetail groove, and the first side of the second guide groove engages with the second dovetail groove. In one embodiment, the second groove includes a third dovetail groove and a fourth dovetail groove, the second side of the first guide groove engages with the third dovetail groove, and the second side of the second guide groove engages with the third dovetail groove.

[0009] In one embodiment, the intelligent module includes a side socket and a measuring module. Here, the second groove is provided in the side socket, and the measuring module is removable from the side socket. In one embodiment, the side socket includes a PCB substrate and a side socket housing. Here, the side socket housing is provided with an opening, and the measurement module is inserted into and removed from the PCB board through this opening.

[0010] In one embodiment, the connecting member includes a first contact surface near the side socket housing, the side socket housing includes a second contact surface near the connecting member, a locking member is provided on the first contact surface, a locking opening is provided on the second contact surface, and the locking member engages with the locking opening.

[0011] In one embodiment, the locking member includes a first locking member and a second locking member, and the locking opening includes a first locking opening and a second locking opening. Here, the first locking member and the second locking member are arranged mirror images on the first contact surface, the first locking member engages with the first locking opening, and the second locking member engages with the second locking opening.

[0012] In one embodiment, the first locking member and the second locking member form a V-shaped structure on the first contact surface. In one embodiment, the connecting member further includes a fixing member, the locking member is provided with a through hole, and the fixing member is fixedly connected to the locking member through the through hole.

[0013] In one embodiment, the connecting member further includes a fixing member, the locking member is provided with a strip groove, and the fixing member is fixedly connected to the locking member via the strip groove. In one embodiment, the locking member is cut and bent by the connecting member to form a clamping angle.

[0014] In one embodiment, the side socket housing includes a first housing and a second housing. Here, the second groove is provided in the first housing, and the first housing and the second housing are closed to form a housing having an opening.

[0015] In one embodiment, the PCB substrate includes a first PCB substrate and a second PCB substrate. Here, the first PCB board is fitted into a long slot formed by closing the first housing and the second housing, the second PCB board is located in a closed region formed by closing the first housing and the second housing, and the measuring module is inserted into the first PCB board through an opening formed by closing the first housing and the second housing.

[0016] In one embodiment, a plug connector is provided on the first PCB substrate, and the first PCB substrate is detachably connected to the second PCB substrate via the plug connector. In one embodiment, the base of the circuit breaker body is provided with a sampling harness slot, the side socket housing is provided with a harness passage slot, and the sampling harness electrically connected between the circuit breaker body and the PCB board is arranged in the sampling harness slot and the harness passage slot.

[0017] In one embodiment, the sampling harness slot includes a first temperature measurement sampling harness slot, a second temperature measurement sampling harness slot, and a power supply sampling harness slot. Here, the first temperature measurement sampling harness slot, the second temperature measurement sampling harness slot, and the power supply sampling harness slot are all connected to the harness passage slot.

[0018] In one embodiment, the harness passage slot further includes a first harness passage slot and a second harness passage slot, Here, the first harness passage slot is connected to the first temperature measurement sampling harness slot and the power supply sampling harness slot, respectively, and the second harness passage slot is connected to the second temperature measurement sampling harness slot.

[0019] In one embodiment, the circuit breaker body includes a circuit breaker housing, and the first groove is provided on a side surface of the circuit breaker housing. In one embodiment, the numbers of the first groove, the second groove, and the connecting member are the same.

[0020] In one embodiment, three of the first grooves are provided in the circuit breaker body, three of the second grooves are provided in the intelligent module, and the intelligent measurement circuit breaker includes three of the connecting members. Here, the first side of the first guide groove and the second guide groove of each connecting member all engage with one of the first grooves, and the second side of the first guide groove and the second guide groove of each connecting member all engage with one of the second grooves.

Advantages of the Invention

[0021] The intelligent measurement circuit breaker provided in the present application has a first groove provided in the circuit breaker body, a second groove provided in the intelligent module, a first guide groove provided on a first side of the connecting member, and a second guide groove provided on a second side opposite to the first side. By engaging the first side of the first guide groove and the second guide groove with the first groove, and engaging the second side opposite to the first side of the first guide groove and the second guide groove with the second groove, a detachable fixed connection between the circuit breaker body and the intelligent module can be realized. Therefore, when the intelligent module of the intelligent measurement circuit breaker fails, it can be flexibly replaced, the replacement cost of the intelligent measurement circuit breaker is greatly reduced, and at the same time, the intelligent measurement circuit breaker can also be produced in a modular manner, diversifying the application scenarios of the circuit breaker and meeting the needs of various customers.

Brief Description of the Drawings

[0022] [Figure 1] It is a schematic structural diagram of the intelligent measurement circuit breaker provided in the embodiment of the present application. [Figure 2] This is an exploded view of the intelligent measuring circuit breaker provided in the embodiment of the present application. [Figure 3] This is a schematic diagram of the structure of the connecting member provided in the embodiment of the present application. [Figure 4] This is a top view of the connecting member provided in the embodiment of the present application. [Figure 5] This is a top view of an intelligent measuring circuit breaker provided in an embodiment of the present application. [Figure 6] This is a top view of the circuit breaker body provided in the embodiment of the present application. [Figure 7] This is a top view of the side socket provided in the embodiment of the present application. [Figure 8] This is a schematic diagram of the structure of the side socket provided in the embodiment of the present application. [Figure 9] This is a schematic diagram of the structure of the PCB substrate inside the side socket provided in the embodiment of the present application. [Figure 10] This is a schematic diagram of the structure of the side socket provided in the embodiment of the present application. [Figure 11] This is a schematic diagram of the structure of the circuit breaker body provided in the embodiment of the present application. [Figure 12] This is a schematic diagram of the structure of the side socket after the connecting members provided in the embodiment of the present application have been assembled. [Figure 13] This is a schematic diagram of the partial structure of the side socket after the connecting member provided in the embodiment of the present application has been assembled. [Figure 14] This is a schematic diagram of the structure of an intelligent measuring circuit breaker provided in an embodiment of the present invention. [Figure 15] This is another schematic diagram of the intelligent measuring circuit breaker provided in the embodiment of the present application. [Modes for carrying out the invention]

[0023] In this description, unless otherwise explicitly specified and limited, the terms “connected” and “connected” should be understood in a broad sense, including, for example, fixed or detachable connections, mechanical or electrical connections, direct or indirect connections via an intermediate medium, internal communication between two elements, or dialogue relationships between two elements. Those skilled in the art will be able to understand the specific meaning of the above terms in this application depending on the specific context.

[0024] In the description of this application, unless otherwise expressly provided and limited, the presence of a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or they may not be in direct contact but are in contact through another feature between them. Furthermore, the presence of a first feature "above," "above," and "above" a second feature may include the first feature being directly above or diagonally above the second feature, or simply the first feature being higher horizontally than the second feature. The presence of a first feature "below," "below," and "below" a second feature may include the first feature being directly below or diagonally below the second feature, or simply the first feature being lower horizontally than the second feature.

[0025] As analyzed in the background art of this application, the replacement cost of intelligent measuring circuit breakers in related technologies is relatively high. To solve the above technical problem, this application provides an intelligent measuring circuit breaker.

[0026] Referring to Figures 1 to 15, the intelligent measuring circuit breaker includes a circuit breaker body 10, a connecting member 20, and an intelligent module. The circuit breaker body 10 is provided with a first groove 1021. The connecting member 20 includes a first side and a second side opposite to the first side, the first side is provided with a first guide groove 201 and the second side is provided with a second guide groove 202. The intelligent module is provided with a second groove 30111, Here, the first sides of the first guide groove 201 and the second guide groove 202 engage with the first groove 1021, and the second sides of the first guide groove 201 and the second guide groove 202, opposite to the first sides, engage with the second groove 30111, thereby realizing a detachable fixed connection between the circuit breaker body 10 and the intelligent module.

[0027] Specifically, the first side of the connecting member 20 may be close to the circuit breaker body 10, and the second side of the connecting member 20 may be close to the intelligent module, and the first and second sides may be arranged opposite each other along the first direction. At the same time, the first side of the first guide groove 201 and the first side of the second guide groove 202 may be close to the circuit breaker body 10, and the second side of the first guide groove 201 and the second side of the second guide groove 202 may be close to the intelligent module, and the first and second sides of the first guide groove 201 and the first and second sides of the second guide groove 202 may also be arranged opposite each other in the first direction. The first direction may be horizontal, but is not limited to this.

[0028] This invention allows for flexible replacement of the intelligent module in an intelligent measuring circuit breaker in the event of a failure, significantly reducing the replacement cost of the intelligent measuring circuit breaker. At the same time, it enables the production of the intelligent measuring circuit breaker in a modular manner, diversifying the application scenarios of the circuit breaker and meeting the needs of various customers.

[0029] In some embodiments, as shown in Figures 1-13, the intelligent module includes a side socket 30 and a measuring module 40, where the side socket 30 is provided with a second groove 30111, and the measuring module 40 is removable from the side socket 30.

[0030] Specifically, the intelligent measuring circuit breaker provided in the embodiment of this application conforms to the Q / GDW 12174-2021 Intelligent Measuring Switch Technical Specification concerning the side-plug-in function of intelligent measuring circuit breakers proposed by the China Electric Power Research Institute and China National Grid Corporation. Here, the measuring module 40 can support both the DLT645 and DLT698 communication protocols and can be equipped with various different functions, so the intelligent measuring circuit breaker provided in the embodiment of this application can support the individual customized functional requirements of customers.

[0031] In this embodiment, the side socket 30 is detachably fixedly connected to the circuit breaker body 10 via the connecting member 20, and the side socket 30 is also detachably electrically connected to the circuit breaker. The side socket 30 has a plug connector, and the measurement module 40 can be plugged in and out of the plug connector. Therefore, if any module of the intelligent measurement circuit breaker fails, it can be replaced flexibly and in a timely manner, thereby significantly reducing the replacement cost of the intelligent measurement circuit breaker.

[0032] In some embodiments, as shown in Figures 11 and 14, the circuit breaker body 10 comprises a base 101, a circuit breaker housing 102, and a control module, and the first groove 1021 is provided on the side of the circuit breaker housing 102.

[0033] It can be understood that the first and second sides of the connecting member 20 may be the left and right sides of the connecting member 20, or the upper and lower end faces of the connecting member 20, the first and second sides of the first guide groove 201 may be two horizontally opposing sides of the first guide groove 201, and the first and second sides of the second guide groove 202 may be two horizontally opposing sides of the second guide groove 202. When the side socket 30 is integrated with the circuit breaker body 10, the first sides of the first guide groove 201 and the second guide groove 202 are all engaged with the first groove 1021 of the circuit breaker housing 102, and at the same time, the second sides of the first guide groove 201 and the second guide groove 202 are all engaged with the second groove 30111 of the circuit breaker housing 102.

[0034] The structures of the two sides of the first guide groove 201 and the second guide groove 202 may be the same or different, and similarly, the structures of the first guide groove 201 and the second guide groove 202 may be the same or different, and can be selected according to the actual application, and are not particularly limited in this embodiment.

[0035] In some embodiments, as shown in Figures 4, 5, and 6, the first groove 1021 includes a first dovetail groove 1021a and a second dovetail groove 1021b, the first side of the first guide groove 201 engages with the first dovetail groove 1021a, and the first side of the second guide groove 202 engages with the second dovetail groove 1021b.

[0036] Specifically, the first guide groove 201 and the second guide groove 202 are arranged in the same direction, and when assembling the connecting member 20 and the circuit breaker body 10, the assembly of the connecting member 20 and the circuit breaker body 10 is completed and an integrated structure is formed simply by simultaneously inserting the first sides of the first guide groove 201 and the second guide groove 202 into the first groove 1021.

[0037] In some embodiments, as shown in Figures 8 and 9, the side socket 30 includes a PCB board 302 and a side socket housing 301, where the side socket housing 301 is provided with an opening, and the measuring module 40 is inserted into and removed from the PCB board 302 through the opening.

[0038] Specifically, the side socket housing 301 includes a first housing 3011 and a second housing 3012, the second groove 30111 is provided in the first housing 3011, the PCB substrate 302 includes a first PCB substrate 3021 and a second PCB substrate 3022, the first housing 3011 and the second housing 3012 are closed to form a housing with an opening, the first PCB substrate 3021 has a long slot formed by closing the first housing 3011 and the second housing 3012 The first PCB board 3021 is fitted into the housing, and at the same time, a plug connector is provided on the first PCB board 3021, and the second PCB board 3022 is detachably connected to the first PCB board 3021 via the plug connector, and the second PCB board 3022 is located in a closed region formed by closing the first housing 3011 and the second housing 3012, and the measuring module 40 is inserted into the first PCB board 3021 through an opening formed by closing the first housing 3011 and the second housing 3012.

[0039] The method of closing the first housing 3011 and the second housing 3012 can be snap-on or screw-on, and can be selected according to the actual application, and is not particularly limited in this embodiment.

[0040] In some embodiments, the number of the first grooves 1021, the second grooves 30111, and the connecting members 20 are the same. Specifically, to ensure that the integrated structure formed by the circuit breaker body 10, the connecting members 20, and the side socket 30 is more stable, the circuit breaker housing 102 may be provided with multiple first grooves 1021, the side socket housing 301 with multiple second grooves 30111, and multiple connecting members 20.

[0041] In the embodiments shown in Figures 2, 10, 11, and 12, the circuit breaker housing 102 is provided with three first grooves 1021, the side socket housing 301 is provided with three second grooves 30111, there are three connecting members 20, the first sides of the first guide groove 201 and second guide groove 202 of each connecting member 20 all engage with one of the first grooves 1021 of the circuit breaker housing 102, and the second sides of the first guide groove 201 and second guide groove 202 of each connecting member 20 all engage with the second groove 30111 of the second housing 3012.

[0042] The number of the first groove 1021 in the circuit breaker housing 102, the second groove 30111 in the side socket housing 301, and the number of connecting members 20 can be selected according to the actual application and are not particularly limited in this embodiment.

[0043] In some embodiments, as shown in Figures 4, 5, and 7, the second groove 30111 includes a third dovetail groove 30111a and a fourth dovetail groove 30111b, the second side of the first guide groove 201 engages with the third dovetail groove 30111a, and the second side of the second guide groove 202 engages with the third dovetail groove 30111a.

[0044] Specifically, the first guide groove 201 and the second guide groove 202 are arranged in the same direction, and when assembling the connecting member 20 and the side socket 30, the assembly of the connecting member 20 and the side socket 30 is completed and an integrated structure is formed simply by simultaneously inserting the second sides of the first guide groove 201 and the second guide groove 202 into the second groove 30111.

[0045] When the first and second sides of the first guide groove 201 are arranged facing each other in the first direction, the first guide groove 201 can form a V-shaped guide groove, a U-shaped guide groove, etc. Similarly, when the first and second sides of the second guide groove 202 are arranged facing each other in the first direction, the second guide groove 202 can form a V-shaped guide groove, a U-shaped guide groove, etc. In other words, the structure of the first guide groove 201 and the second guide groove 202 can be selected according to the actual application and is not particularly limited in this embodiment.

[0046] In some embodiments, as shown in Figures 3, 4, 10, and 12, the connecting member 20 includes a first contact surface close to the side socket housing 301, the side socket housing 301 includes a second contact surface close to the connecting member 20, the first contact surface is provided with a locking member 203, and the second contact surface is provided with a locking opening 30112, the locking member 203 engages with the locking opening 30112. Here, the locking member 203 may be, but is not limited to, a flexible locking member 203.

[0047] Specifically, the locking member 203 on the first contact surface coincides with the locking opening 30112 on the second contact surface, and after the locking member 203 on the first contact surface engages with the locking opening 30112 on the second contact surface, the side socket 30 can be fixed to the side of the circuit breaker body 10.

[0048] The number of locking members 203 on the first contact surface and locking openings 30112 on the second contact surface is at least one, and this number is mainly selected based on whether the side socket 30 can be fixed to the side of the circuit breaker body 10, and is not particularly limited in this embodiment.

[0049] In the embodiments shown in Figures 3, 4, 10, and 12, the locking member 203 includes a first locking member 2031 and a second locking member 2032, and the locking opening 30112 includes a first locking opening 30112a and a second locking opening 30112b, where the first locking member 2031 and the second locking member 2032 are mirror images of each other on the first contact surface, with the first locking member 2031 engaging with the first locking opening 30112a and the second locking member 2032 engaging with the second locking opening 30112b.

[0050] Here, both the first locking member 2031 and the second locking member 2032 can be formed by cutting and bending them directly from the connecting member 20, so that both the first locking member 2031 and the second locking member 2032 form a specific clamping angle with respect to the first contact surface.

[0051] Simultaneously, during the process of cutting and bending the connecting member 20 to form the first locking member 2031 and the second locking member 2032, there may be a gap between the inner wall of the cut groove formed in the connecting member 20 and the corresponding locking member, and the first locking member 2031 and the second locking member 2032 may form a V-shaped structure on the first contact surface, and as a result, the first locking member 2031 and the second locking member 2032 can pass through their corresponding locking openings to achieve a fixed connection between the connecting member 20 and the side socket 30.

[0052] Furthermore, both the first locking member 2031 and the second locking member 2032 may be provided with through-holes or non-through-grooves. After the first locking member 2031 and the second locking member 2032 are engaged with their respective locking openings, a fixing member may be used on the other side of the side socket 30 (the inner wall of the side socket 30) to further secure the connecting member 20 and the side socket 30, passing through the locking openings, through-holes, or strip grooves in sequence, thereby making the integrated structure formed by the connecting member 20 and the side socket more stable.

[0053] The structures of the first locking member 2031 and the second locking member 2032 may be the same or different, and the specific structure can be selected according to the actual application; in this embodiment, there are no particular limitations.

[0054] In some embodiments, as shown in Figure 14, a sampling harness slot is provided in the base 101 of the circuit breaker body 10, and a harness passage slot is provided in the side socket housing 301. The sampling harness, which is electrically connected between the circuit breaker body 10 and the PCB board 302, is placed in the sampling harness slot and the harness passage slot. Specifically, if it is necessary to realize the intelligence of the circuit breaker, it is sufficient to electrically connect the circuit breaker body 10 to the electronic main board in the side socket 30 and simultaneously place the electrically connected sampling harness in the sampling harness slot and the harness passage slot. This reduces the space occupied by the sampling harness while realizing the intelligence of the circuit breaker.

[0055] In some specific embodiments, as shown in Figure 14, the sampling harness slots include a first temperature measurement sampling harness slot 1011a, a second temperature measurement sampling harness slot 1011b, and a power supply sampling harness slot 1011c, where the first temperature measurement sampling harness slot 1011a, the second temperature measurement sampling harness slot 1011b, and the power supply sampling harness slot 1011c are all connected to the harness passage slots. Specifically, the first temperature measurement sampling harness of the first temperature measurement sampling harness slot 1011a, the second temperature measurement sampling harness of the second temperature measurement sampling harness slot 1011b, and the power supply sampling harness of the power supply sampling harness slot 1011c are all electrically connected to the circuit breaker body 10 and the side socket 30 via the harness passage slots.

[0056] In some more specific embodiments, as shown in Figure 14, the harness passage slots include a first harness passage slot 30113a and a second harness passage slot 30113b, where the first harness passage slot 30113a is connected to the first temperature measurement sampling harness slot 1011a and the power supply sampling harness slot 1011c, respectively, and the second harness passage slot 30113b is connected to the second temperature measurement sampling harness slot 1011b. Specifically, the first temperature measurement sampling harness in the first temperature measurement sampling harness slot 1011a and the power supply sampling harness in the power supply sampling harness slot 1011c electrically connect the circuit breaker body 10 and the side socket 30 via the first harness passage slot 30113a, and simultaneously, the second temperature measurement sampling harness in the second temperature measurement sampling harness slot 1011b electrically connects the circuit breaker body 10 and the side socket 30 via the second harness passage slot 30113b.

[0057] The number of sampling harness slots provided on the second load-bearing surface of the circuit breaker body 10 can be set according to the function of the measurement module 40, and at the same time, the specific design method of the sampling harness slots on the second load-bearing surface can be selected according to the actual application, and is not particularly limited in this embodiment.

[0058] In some embodiments, as shown in Figure 15, the intelligent module further includes a third housing 3013, and after the side socket 30 and the measuring module 40 are assembled on the circuit breaker body 10, the measuring module 40 and the side socket 30 can be integrated via the third housing 3013 to form the intelligent module, thereby improving the stability between the measuring module 40 and the side socket 30.

[0059] The intelligent measuring circuit breaker provided in the embodiment of the present application is provided with a removable measuring module 40 in a side socket 30, a first groove 1021 in the circuit breaker body 10, a second groove 30111 in the side socket 30, a first guide groove 201 on the first side of the connecting member 20, a second guide groove 202 on the second side opposite to the first side, the first ends of the first guide groove 201 and the second guide groove 202 engage with the first groove 1021, and the first end of the first guide groove 201 and the second guide groove 202 By engaging the second end opposite to the first end with the second groove 30111, a detachable fixed connection can be achieved between the circuit breaker body 10 and the side socket 30. This allows for flexible replacement of any module in the intelligent measuring circuit breaker in the event of failure, significantly reducing the replacement cost of the intelligent measuring circuit breaker. At the same time, the intelligent measuring circuit breaker can be produced in a modular manner, diversifying the application scenarios of the circuit breaker and meeting the needs of various customers. [Explanation of Symbols]

[0060] 10 Circuit breaker body, 101 Base, 1011a First temperature measurement sampling harness slot, 1011b Second temperature measurement sampling harness slot, 1011c Power sampling harness slot, 102 Circuit breaker housing, 1021 First groove, 1021a First dovetail groove, 1021b Second dovetail groove, 20 Connecting member, 201 First guide groove, 202 Second guide groove, 203 Locking member, 2031 First locking member, 2032 Second locking member, 30 Side socket, 301 Side socket housing, 3011 First housing, 30111 Second groove, 30111a Third dovetail groove, 30111b Fourth dovetail groove, 30112 Locking opening, 30112a First locking opening, 30112b Second locking opening, 30113a First harness passage slot, 30113b; Second harness passage slot, 3012; Second housing, 302; PCB board, 3021; ​​First PCB board, 3022; Second PCB board, 3013; Third housing, 40; Measurement module

Claims

1. An intelligent measuring circuit breaker, comprising a circuit breaker body (10), a connecting member (20), and an intelligent module, The circuit breaker body (10) is provided with a first groove (1021), The connecting member (20) includes a first side and a second side opposite to the first side, the first side is provided with a first guide groove (201), and the second side is provided with a second guide groove (202). The intelligent module is provided with a second groove (30111), Here, the first sides of the first guide groove (201) and the second guide groove (202) engage with the first groove (1021), and the second sides of the first guide groove (201) and the second guide groove (202) opposite to the first sides engage with the second groove (30111), thereby realizing a detachable fixed connection between the circuit breaker body (10) and the intelligent module. The intelligent module includes a side socket (30) and a measuring module (40). The side socket (30) includes a PCB substrate (302) and a side socket housing (301). The connecting member (20) includes a first contact surface close to the side socket housing (301), the side socket housing (301) includes a second contact surface close to the connecting member (20), the first contact surface is provided with a locking member (203), the second contact surface is provided with a locking opening (30112), and the locking member (203) engages with the locking opening (30112). Intelligent measuring circuit breaker.

2. The first groove (1021) includes a first dovetail groove (1021a) and a second dovetail groove (1021b), the first side of the first guide groove (201) engages with the first dovetail groove (1021a), and the first side of the second guide groove (202) engages with the second dovetail groove (1021b). The intelligent measuring circuit breaker according to claim 1.

3. The second groove (30111) includes a third dovetail groove (30111a) and a fourth dovetail groove (30111b), the second side of the first guide groove (201) engages with the third dovetail groove (30111a), and the second side of the second guide groove (202) engages with the third dovetail groove (30111a). The intelligent measuring circuit breaker according to claim 1.

4. The second groove (30111) is provided in the side socket (30), and the measuring module (40) is removable from the side socket (30). The intelligent measuring circuit breaker according to claim 1.

5. The side socket housing (301) is provided with an opening, and the measuring module (40) is inserted into and removed from the PCB board (302) through the opening. The intelligent measuring circuit breaker according to claim 4.

6. The locking member (203) includes a first locking member (2031) and a second locking member (2032), and the locking opening (30112) includes a first locking opening (30112a) and a second locking opening (30112b), Here, the first locking member (2031) and the second locking member (2032) are arranged in a mirror image on the first contact surface, the first locking member (2031) engages with the first locking opening (30112a), and the second locking member (2032) engages with the second locking opening (30112b). The intelligent measuring circuit breaker according to claim 1.

7. The first locking member (2031) and the second locking member (2032) form a V-shaped structure on the first contact surface. The intelligent measuring circuit breaker according to claim 6.

8. The connecting member (20) further includes a fixing member, the locking member (203) is provided with a through hole, and the fixing member is fixedly connected to the locking member (203) through the through hole. The intelligent measuring circuit breaker according to claim 1.

9. The connecting member (20) further includes a fixing member, the locking member (203) is provided with a strip groove, and the fixing member is fixedly connected to the locking member (203) via the strip groove. The intelligent measuring circuit breaker according to claim 1.

10. The locking member (203) is cut from the connecting member (20) and bent to form a clamping angle with the first contact surface. The intelligent measuring circuit breaker according to claim 1.

11. The side socket housing (301) includes a first housing (3011) and a second housing (3012), Here, the second groove (30111) is provided in the first housing (3011), and the first housing (3011) and the second housing (3012) are closed to form a housing having an opening. The intelligent measuring circuit breaker according to claim 5.

12. The PCB substrate (302) includes a first PCB substrate (3021) and a second PCB substrate (3022). Here, the first PCB substrate (3021) is fitted into a long slot formed by closing the first housing (3011) and the second housing (3012), the second PCB substrate (3022) is located in a closed region formed by closing the first housing (3011) and the second housing (3012), and the measuring module (40) is inserted into the first PCB substrate (3021) through an opening formed by closing the first housing (3011) and the second housing (3012). The intelligent measuring circuit breaker according to claim 11.

13. A plug connector is provided on the first PCB substrate (3021), and the first PCB substrate (3021) is detachably connected to the second PCB substrate (3022) via the plug connector. The intelligent measuring circuit breaker according to claim 12.

14. A sampling harness slot is provided in the base (101) of the circuit breaker body (10), and a harness passage slot is provided in the side socket housing (301). The sampling harness, which is electrically connected between the circuit breaker body (10) and the PCB board (302), is placed in the sampling harness slot and the harness passage slot. The intelligent measuring circuit breaker according to claim 5.

15. The sampling harness slots include a first temperature measurement sampling harness slot (1011a), a second temperature measurement sampling harness slot (1011b), and a power supply sampling harness slot (1011c). Here, the first temperature measurement sampling harness slot (1011a), the second temperature measurement sampling harness slot (1011b), and the power supply sampling harness slot (1011c) are all connected to the harness passage slot. The intelligent measuring circuit breaker according to claim 14.

16. The harness passage slot further includes a first harness passage slot (30113a) and a second harness passage slot (30113b), Here, the first harness passage slot (30113a) is connected to the first temperature measurement sampling harness slot (1011a) and the power supply sampling harness slot (1011c), respectively, and the second harness passage slot (30113b) is connected to the second temperature measurement sampling harness slot (1011b). The intelligent measuring circuit breaker according to claim 15.

17. The circuit breaker body (10) includes a circuit breaker housing (102), and the first groove (1021) is provided on the side surface of the circuit breaker housing (102). An intelligent measuring circuit breaker according to any one of claims 1 to 16.

18. The number of the first groove (1021), the second groove (30111), and the connecting member (20) is the same. An intelligent measuring circuit breaker according to any one of claims 1 to 16.

19. The circuit breaker body (10) is provided with three first grooves (1021), the intelligent module is provided with three second grooves (30111), and the intelligent measuring circuit breaker includes three connecting members (20). Here, the first sides of the first guide groove (201) and the second guide groove (202) of each connecting member (20) all engage with one of the first grooves (1021), and the second sides of the first guide groove (201) and the second guide groove (202) of each connecting member (20) all engage with one of the second grooves (30111). The intelligent measuring circuit breaker according to claim 18.

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