CN218730730U

CN218730730U - Circuit breaker

Info

Publication number: CN218730730U
Application number: CN202222990989.8U
Authority: CN
Inventors: 董晓怡; 甘新华
Original assignee: Shanghai Chint Intelligent Technology Co Ltd
Current assignee: Shanghai Chint Intelligent Technology Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-24
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to a low-voltage apparatus technical field specifically discloses a circuit breaker. The utility model provides a circuit breaker includes the casing, and the casing includes well lid, and the upper portion of well lid is close to a side edge and is equipped with first installing zone, and first installing zone is used for the cartridge to have the module of measurationing of measurement function, and the lower part of well lid is equipped with the second installing zone, and the second installing zone is used for cartridge control module and power module, and first installing zone and second installing zone are L shape and distribute, and well lid is connected with and can close first installing zone and second installing zone and flip as an organic whole structure simultaneously. The middle cover is provided with a first installation area and a second installation area, the measuring module is arranged at the first installation area, the control module and the power module are arranged at the second installation area, the first installation area and the second installation area are distributed in an L shape, so that all the functional modules are distributed more intensively, one flip cover can be used for being buckled at the outer sides of the measuring module, the control module and the power module, the using amount of the flip cover is reduced, and the structure of the circuit breaker is simplified.

Description

Circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus technical field especially relates to a circuit breaker.

Background

Moulded case circuit breaker is as the master switch of table case in traditional table case, and moulded case circuit breaker only needs overload protection and short-circuit protection function just can satisfy operation requirement. Along with the development of the electric power internet of things, the molded case circuit breaker in the requirement meter box meets basic requirements of overload protection and short-circuit protection functions, and the circuit breaker also needs to have functions of high-precision metering function, communication function, full sensing of the running state of the circuit breaker and the like on the premise of not changing the installation size of the original traditional circuit breaker.

Although the circuit breaker among the prior art has functions such as high accuracy measurement function, communication function, the full perception of circuit breaker operating condition, the position that each functional module that realizes above-mentioned function covers the distribution in the circuit breaker is more dispersed, need correspond to set up a plurality of flip locks in the outside of functional module with the protect function module, leads to the circuit breaker structure complicacy.

Therefore, it is desirable to provide a circuit breaker to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker makes each functional module cover in the circuit breaker and distributes more concentratedly, uses a flip can the lock in the functional module outside, has simplified the structure of circuit breaker.

To achieve the purpose, the utility model adopts the following technical proposal:

the circuit breaker, which comprises a housin, the casing includes well lid, the upper portion of well lid is close to a side edge and is equipped with first installing zone, first installing zone is used for the cartridge to have the measurement module of measurement function, the lower part of well lid is equipped with the second installing zone, the second installing zone is used for cartridge control module and power module, first installing zone with the second installing zone is L shape and distributes, well lid is connected with simultaneously the lid closes first installing zone with the flip of second installing zone and structure as an organic whole.

As an optional technical scheme of foretell circuit breaker, the concave first mounting groove that is equipped with of first installing zone, the tank bottom of first mounting groove is equipped with first wiring hole, first wiring hole department is equipped with first communication socket, measure the module and arrange in the first mounting groove and with first communication socket is connected.

As an optional technical scheme of foretell circuit breaker, the concave second mounting groove that is equipped with of second installing zone, the tank bottom of second mounting groove is equipped with second wiring hole, second wiring hole department is equipped with second communication socket, control module arranges in the second mounting groove just control module connect the spigot with second communication socket connects.

As an optional technical scheme of the circuit breaker, a power supply installation cavity communicated with the interior of the circuit breaker is arranged in the second installation groove, the power supply module is arranged in the power supply installation cavity, and a power supply terminal of the power supply module is connected with a power supply plug terminal of the control module.

As an optional technical solution of the above circuit breaker, one end of the flip is hinged to the middle cover on the upper portion of the first mounting area, and the other end of the flip is sealed and locked on the middle cover by a seal structure.

As an optional technical solution of the above circuit breaker, the seal structure includes:

the seal boss is arranged in the first mounting area and provided with a threaded hole;

and the seal screw penetrates through the middle cover and is in threaded connection with the seal boss.

As an optional technical scheme of the above-mentioned circuit breaker, the seal structure further comprises a seal cover, the seal cover is buckled on the head of the seal screw, and the seal cover is clamped with the head of the seal screw.

As an optional technical solution of the above circuit breaker, a first observation window is provided on the flip cover, and the first observation window is disposed corresponding to the display area of the measurement module.

As an optional technical solution of the above circuit breaker, a second observation window is provided on the flip, and the second observation window is provided corresponding to the display area of the control module.

As an optional technical solution of the above circuit breaker, a handle hole through which a handle of the circuit breaker passes is provided at an upper portion of the middle cover close to the first mounting region and is disposed outside the housing.

The utility model has the advantages that:

the utility model provides a circuit breaker covers in and sets up first installing zone and second installing zone, and first installing zone department is equipped with the module of measurationing, and second installing zone department is equipped with control module and power module, and first installing zone and second installing zone are L shape and distribute, make each functional module distribution more concentrate, use a flip can be simultaneously the lock in the module of measurationing, control module and the power module outside, reduced the quantity that flip used, simplified the structure of circuit breaker.

Drawings

Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a middle cover according to an embodiment of the present invention;

fig. 3 is an exploded view of a metrology module and a control module and a middle cover according to an embodiment of the present invention;

fig. 4 is an exploded view of a power module and a middle cover according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first view angle of a control module according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second view angle of the control module according to the embodiment of the present invention.

In the figure:

1. a housing; 2. a measuring module; 3. a control module; 4. a power supply module; 5. a cover is turned; 6. a seal structure; 7. a handle;

11. a middle cover; 12. a base; 13. a first mounting area; 131. a first mounting groove; 132. a first wiring hole; 133. a first communication socket; 14. a second mounting area; 141. a second mounting groove; 142. a second wiring hole; 143. a second communication jack; 144. a power supply mounting cavity; 15. a handle aperture;

31. a plug-in terminal; 32. a power supply jack terminal;

41. a power supply terminal;

51. a first observation window; 52. a second observation window;

61. sealing the boss; 62. sealing screws; 63. and (7) sealing and covering.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention, and the technical effects achieved by the present invention clearer, the following detailed description will be made with reference to the accompanying drawings for further describing the technical solutions of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment provides a circuit breaker, as shown in fig. 1-4, the circuit breaker includes a housing 1, two ends of the housing 1 are respectively used as a wire inlet end and a wire outlet end, the housing 1 includes a base 12 and a middle cover 11 which are mutually covered, at least one circuit breaker pole for connecting or disconnecting a line is arranged in the base 12 between the wire inlet end and the wire outlet end, the circuit breaker pole includes a contact mechanism, a handle 7 of the circuit breaker is connected with the contact mechanism of the at least one circuit breaker pole through an operating mechanism, and the middle cover 11 is covered on the base 12 for isolating the operating mechanism and the contact mechanism.

The upper portion of well lid 11 is close to a side edge and is equipped with first installing zone 13, and the lower part of well lid 11 is equipped with second installing zone 14, and first installing zone 13 and second installing zone 14 are the distribution of L shape. The upper part of the middle cover 11 close to the first mounting area 13 is provided with a handle hole 15 for the handle 7 of the circuit breaker to penetrate through the outer side of the shell 1, and the handle 7 penetrates through the handle hole 15 and extends out of the shell 1 for manually operating the opening and closing of the poles of the circuit breaker.

The first installation area 13 is used for inserting the measuring module 2 with the metering function, the second installation area 14 is used for inserting the control module 3 and the power module 4, the first installation area 13 and the second installation area 14 are arranged to achieve expansion of the function of the circuit breaker, an assembly space is provided for the function expansion of the circuit breaker, the measuring module 2, the control module 3 and the power module 4 are installed in the first installation area 13 and the second installation area 14 in a plugging mode, replacement is convenient, and functional requirements of different application scenes are met.

The middle cover 11 is connected with a flip cover 5 which can cover the first mounting area 13 and the second mounting area 14 simultaneously and is of an integral structure, and the flip cover 5 is buckled on the outer sides of the measuring module 2, the control module 3 and the power module 4 simultaneously so as to protect the measuring module 2, the control module 3 and the power module 4 from being plugged and unplugged randomly.

According to the circuit breaker provided by the embodiment, the first mounting area 13 and the second mounting area 14 are arranged on the middle cover 11, so that the functional modules are distributed and centralized, and the measuring module 2, the control module 3 and the power module 4 can be simultaneously buckled at the outer sides by using one flip 5, so that the using amount of the flip 5 is reduced, and the structure of the circuit breaker is simplified.

Foretell module 2 that measurations has high accuracy measurement function, communication function, functions such as circuit breaker running state perception, control module 3 is connected in order to obtain current signal with the current sampling device in the circuit breaker, make the circuit breaker possess long time delay, short time delay and instantaneous protect function, do benefit to the popularization and the use of modularization circuit breaker, therefore break down when control module 3, life is last, perhaps need increase and decrease control module 3 according to the user demand, during the modification, control module 3 changes, it is more convenient to dismantle or install. The power module 4 supplies power to the control module.

The measuring module 2, the control module 3 and the power module 4 are installed on the middle cover 11 in a plug-in connection mode, and the circuit breaker is a traditional mechanical circuit breaker when the functional modules are not assembled. When the functional modules are assembled, the circuit breaker becomes an intelligent circuit breaker, the requirements of different users can be met, and the functional modules with different performances and different functional requirements can be assembled according to the requirements.

In order to facilitate installation of the measuring module 2, the first installation area 13 is concavely provided with a first installation groove 131, and the first installation groove 131 can accommodate the measuring module 2, so that a space is provided for installation of the measuring module 2. The bottom of the first mounting groove 131 is provided with a first wiring hole 132, the first wiring hole 132 is provided with a first communication socket 133, and the measuring module 2 is arranged in the first mounting groove 131 and connected with the first communication socket 133, so that the electric connection between the measuring module 2 and the internal parts of the circuit breaker is realized.

The second mounting area 14 is concavely provided with a second mounting groove 141, a second wiring hole 142 is formed in the bottom of the second mounting groove 141, a second communication socket 143 is formed in the second wiring hole 142, the control module 3 is disposed in the second mounting groove 141, and the plug terminal 31 of the control module 3 is connected with the second communication socket 143, so that the control module 3 is electrically connected with the internal components of the circuit breaker (the plug terminal 31 is shown in fig. 5).

A power supply installation cavity 144 communicated with the inside of the circuit breaker is arranged in the second installation groove 141, the power supply module 4 is arranged in the power supply installation cavity 144, when the power supply module 3 is installed in the power supply installation cavity 144, the power supply terminal 41 of the power supply module 4 is connected with the power supply plug terminal 32 of the control module 3, and the power supply module supplies power to the control module (the power supply plug terminal 32 is shown in fig. 6).

Further, a ring-shaped plate is convexly arranged at the bottom of the second mounting groove 141, a hole is formed at the bottom of the second mounting groove 141 corresponding to the ring-shaped plate, and the ring-shaped plate forms a power supply mounting cavity 144 to fix the power supply module 4, so that the structure is simple.

Referring to fig. 1, one end of the flip cover 5 is hinged to the middle cover 11 at the upper part of the first mounting region 13, and the other end of the flip cover 5 is sealed and locked on the middle cover 11 by the sealing structure 6. When the seal structure 6 is removed, the flip cover 5 can be turned upwards, and the measuring module 2, the control module 3 or the power module 4 can be installed or detached, so that the operation is convenient. The other end of the flip cover 5 is locked on the middle cover 11 by the seal structure 6, so as to protect the measuring module 2, the control module 3 and the power module 4 from being inserted and pulled randomly.

Optionally, two hinge seats arranged at intervals are arranged on the middle cover 11, hinge holes are respectively formed in the opposite sides of the two hinge seats, hinge shafts are respectively arranged on the two sides of one end of the flip cover 5, and the hinge shafts are rotatably inserted into the hinge holes.

The seal structure 6 comprises a seal boss 61 and a seal screw 62, the seal boss 61 is arranged in the first mounting area 13, a threaded hole is formed in the seal boss 61, and the seal screw 62 penetrates through the middle cover 11 and is in threaded connection with the seal boss 61.

Further, the seal structure 6 further includes a seal cover 63, the seal cover 63 is fastened to the head of the seal screw 62, and the seal cover 63 is fastened to the head of the seal screw 62. The head of the screw is buckled with the seal cover 63, so that the situation that the turning cover 5 is opened by manually screwing the seal screw 62 and the functional module is disassembled under the condition of no need can be effectively avoided.

Optionally, the seal cover 63 includes an integrally formed hollow body and a cover body, the hollow portion of the hollow body can accommodate the head of the seal screw 62 as the engaging groove, a plurality of through grooves arranged at equal intervals along the circumferential direction are formed in the side wall of the engaging groove, the same edge of the through grooves extends to the inside of the engaging groove to form a plurality of limiting portions, and the limiting portions are used for being mutually matched with the limiting structures arranged at the head of the seal screw 62 to realize clamping. When the seal cover 63 needs to be detached, the side walls of the clamping grooves are expanded outwards, and the gap between the limiting part and the head of the seal screw 62 is changed, so that the limiting part is separated from the limiting structure at the head of the seal screw 62.

The limit structure of seal screw 62 head includes the recess that sets up along seal screw 62 head circumference, and the spacing portion of seal lid 63 includes the lug, and the lug can the joint in the recess.

In some embodiments, the flip 5 is provided with a first observation window 51, and the first observation window 51 is disposed corresponding to the display area of the measurement module 2, so as to observe the working state of the measurement module 2. The first observation window 51 may be configured according to a display area on the measurement module 2, for example, the display area includes a rectangular display screen and a plurality of indicator lights, and then the first observation window 51 includes a rectangular area corresponding to the display screen and a circular area corresponding to the indicator lights. The first observation window 51 may be hollow, or a transparent plate may be installed at the hollow.

The flip 5 is provided with a second observation window 52, and the second observation window 52 is disposed corresponding to the display area of the control module 3, so as to observe the operating state of the control module 3. The second observation window 52 can be disposed according to a display area matching on the control module 3, for example, the display area includes a rectangular display screen, and the peripheral side of the display screen is provided with a plurality of indicator lights and buttons, so the second observation window 52 includes a rectangular area corresponding to the display screen and a circular area corresponding to the indicator lights and buttons. The second observation window 52 can be arranged in a hollow manner, or a transparent plate can be arranged at the hollow portion, but the area corresponding to the button is arranged in a hollow manner, so that the button can extend out of the flip cover to facilitate operation.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The circuit breaker, its characterized in that, including casing (1), casing (1) is including well lid (11), the upper portion of well lid (11) is close to a side edge and is equipped with first installing zone (13), first installing zone (13) are used for cartridge to have measurement module (2) of measurement function, the lower part of well lid (11) is equipped with second installing zone (14), second installing zone (14) are used for cartridge control module (3) and power module (4), first installing zone (13) with second installing zone (14) are L shape and distribute, well lid (11) are connected with simultaneously and cover and close first installing zone (13) with second installing zone (14) and flip (5) as an organic whole structure.

2. The circuit breaker according to claim 1, wherein the first mounting region (13) is recessed with a first mounting groove (131), a first wiring hole (132) is formed at a bottom of the first mounting groove (131), a first communication socket (133) is formed at the first wiring hole (132), and the measurement module (2) is disposed in the first mounting groove (131) and connected to the first communication socket (133).

3. The circuit breaker according to claim 1, wherein the second mounting area (14) is concavely provided with a second mounting groove (141), a second wiring hole (142) is provided at the bottom of the second mounting groove (141), a second communication socket (143) is provided at the second wiring hole (142), the control module (3) is arranged in the second mounting groove (141) and the plug terminal (31) of the control module (3) is connected with the second communication socket (143).

4. The circuit breaker according to claim 3, wherein a power supply installation cavity (144) communicated with the interior of the circuit breaker is arranged in the second installation groove (141), the power supply module (4) is arranged in the power supply installation cavity (144), and a power supply terminal (41) of the power supply module (4) is connected with a power supply plug terminal (32) of the control module (3).

5. The circuit breaker according to claim 1, wherein one end of the flip cover (5) is hinged with the middle cover (11) at the upper part of the first mounting area (13), and the other end of the flip cover (5) is sealed and locked on the middle cover (11) by a sealing structure (6).

6. The circuit breaker according to claim 5, characterized in that said sealing structure (6) comprises:

the seal boss (61) is arranged in the first mounting area (13), and a threaded hole is formed in the seal boss (61);

the seal screw (62), the seal screw (62) passes through the middle cover (11) and is in threaded connection with the seal boss (61).

7. The circuit breaker according to claim 6, wherein the seal structure (6) further comprises a seal cover (63), the seal cover (63) is fastened to the head of the seal screw (62), and the seal cover (63) is fastened to the head of the seal screw (62).

8. The circuit breaker according to claim 1, wherein a first observation window (51) is disposed on the flip (5), and the first observation window (51) is disposed corresponding to a display area of the measurement module (2).

9. The circuit breaker according to claim 1, wherein a second observation window (52) is provided on the flip (5), and the second observation window (52) is provided corresponding to the display area of the control module (3).

10. The circuit breaker according to claim 1, characterized in that the upper part of the middle cover (11) close to the first mounting area (13) is provided with a handle hole (15) for the handle (7) of the circuit breaker to pass through outside the housing (1).