CN215869205U - Circuit breaker switching structure - Google Patents

Abstract

The utility model relates to the technical field of low-voltage electric appliances, in particular to a circuit breaker switching structure, which comprises a switching device and a circuit breaker; the circuit breaker comprises an operating piece for driving the circuit breaker to be switched on or switched off, the switching device comprises a device shell and a switching circuit arranged in the device shell, and the switching circuit comprises a device connecting part used for being electrically connected with the circuit breaker and a device wiring end used for being connected with an external conductor; the switching device is arranged on one side of the operating part, and the switching device and the operating part are arranged at the same end of the circuit breaker side by side; the circuit breaker switching structure improves the wiring capacity of the circuit breaker.

Description

Circuit breaker switching structure

Technical Field

The utility model relates to the technical field of low-voltage electric appliances, in particular to a circuit breaker switching structure.

Background

The conventional plug-in circuit breaker is provided with a wiring terminal for connecting a wire on an operation surface (i.e., on the side where an operation member is provided), and the wiring terminal has a limited wiring capacity due to the limitation of the layout of the wiring terminal by the structure and the installation position of the circuit breaker.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a circuit breaker switching structure, which improves the wiring capacity of the circuit breaker.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a circuit breaker switching structure comprises a switching device and a circuit breaker; the circuit breaker comprises an operating piece for driving the circuit breaker to be switched on or switched off, the switching device comprises a device shell and a switching circuit arranged in the device shell, and the switching circuit comprises a device connecting part used for being electrically connected with the circuit breaker and a device wiring end used for being connected with an external conductor; the switching device is arranged on one side of the operating part, and the switching device and the operating part are arranged on the same end of the circuit breaker side by side.

Preferably, the device housing includes a connection side surface provided with the device connecting portion and a wiring side surface provided with the device wiring end, the external conductor is connected to the switching device from the wiring side surface and is electrically connected to the device wiring end, the connection side surface is located at one end in the length direction of the device housing and is arranged opposite to the circuit breaker, the wiring side surface is located at one end in the width direction of the device housing, and the operating member is located at the other end in the width direction of the device housing.

Preferably, the device shell comprises a connecting side surface provided with a device connecting part and a wiring side surface provided with a device wiring end, the external conductor is connected into the adapter device from the wiring side surface and is electrically connected with the device wiring end, and the wiring side surface and the connecting side surface are two oppositely arranged side surfaces.

Preferably, one end of the device connecting part protrudes out of one side of the connecting side surface; the circuit breaker includes circuit breaker wiring hole and sets up the circuit breaker wiring end in the circuit breaker wiring hole, and operating parts and circuit breaker wiring hole set up the one end at the circuit breaker, and device connecting portion plant in the circuit breaker wiring hole with the circuit breaker wiring end electricity be connected, the device connecting portion other end is connected with device wiring end electricity.

Preferably, the device housing further includes a device wiring hole provided on the wiring side surface, and the external conductor is electrically connected to the device wiring terminal provided in the device wiring hole through the device wiring hole.

Preferably, the device wiring hole extends in a direction perpendicular to the direction in which the breaker wiring hole extends.

Preferably, the device housing further comprises an operation side surface and a device operation hole arranged on the operation side surface, and the device operation hole is matched with the device terminal for connecting or removing the external conductor; the operation side and the connection side are two sides which are oppositely arranged.

Preferably, the device casing still includes the breach of dodging that sets up along the length direction of device casing, the breaker that dodges the breach and circuit breaker tears the line hole and sets up relatively, and the one end of dodging the breach is located on the operation side of device casing, operation side and connection side are two sides of relative setting.

Preferably, the circuit breaker further comprises a circuit breaker partition plate, and the operating part and the switching device are respectively positioned on two sides of the circuit breaker partition plate; the operating part moves linearly to drive the breaker to be switched on or switched off, and the direction of the switching device assembled to the breaker is parallel to the moving direction of the operating part.

Preferably, the device shell further comprises an assembly side face, the assembly side face and the wiring side face are two oppositely arranged side faces, and a guide structure and/or a limiting structure matched with the breaker partition plate are/is arranged on the assembly side face.

Preferably, the operation side and the wiring side of the device case form a multistage step shape including a plurality of wiring steps connected in sequence, the wiring step is provided with a device wiring hole on a side of one end in the width direction of the device case, the wiring step is provided with a device operation hole on a side of one end in the length direction of the device case, the plurality of wiring steps constitute the wiring side on a side of one end in the width direction of the device case, and the plurality of wiring steps constitute the operation side on a side of one end in the length direction of the device case.

Preferably, the device connecting part includes a first conductive plate and a second conductive plate, one end of each of the first conductive plate and the second conductive plate protrudes to one side of the connecting side surface; the first conducting plate and the second conducting plate protrude out of one end of the connecting side face, and are arranged in a staggered mode in the thickness direction of the device shell and in a staggered mode in the width direction of the device shell.

Preferably, the thickness of the device case is equal to or less than the thickness of the circuit breaker, twice the thickness of the device terminal is greater than the thickness of the device case, and the two device terminals at least partially overlap in the thickness direction of the device case; the two device terminals are arranged in a staggered manner in the length direction of the device shell and in the thickness direction of the device shell.

The switching structure of the circuit breaker is beneficial to expanding the wiring capacity of the circuit breaker, and comprises the positions of switching wiring, the wiring modes of switching wiring terminals and the like, and the switching device is arranged on one side of the operating part of the circuit breaker and arranged at the same end of the circuit breaker side by side, so that the switching structure is convenient for a user to operate, and is beneficial to improving the operating efficiency.

In addition, the operation side surface and the wiring side surface of the device shell form a multi-step shape, wiring is facilitated, and the size of the switching device is reduced. And the assembly side face opposite to the wiring side face is also arranged, so that the switching device is convenient to mount and fix.

Drawings

Fig. 1 is a schematic view of a switching device and a circuit breaker assembly structure of the circuit breaker switching structure of the present invention;

fig. 2 is a schematic diagram of a switching device of the switching structure of the circuit breaker and a disassembled structure of the circuit breaker;

FIG. 3 is a schematic view of the construction of the adapter of the present invention showing the device housing and the device wiring holes and the device operating holes provided in the device housing;

FIG. 4 is a schematic structural view of the adapter of the present invention, showing the internal construction of the adapter;

FIG. 5 is a schematic view of an assembled structure of a first conductive plate, a second conductive plate and an insulating spacer of the present invention;

FIG. 6 is a schematic structural view of the transfer device of the present invention showing a first avoidance gap and a second avoidance gap;

FIG. 7 is a schematic view of a connection mode of the adapter device and the external conductor according to the present invention;

fig. 8 is a schematic view of another connection mode of the adapter device and the external conductor according to the present invention.

Detailed Description

The following describes the embodiments of the circuit breaker switching structure and the switching device according to the present invention with reference to the embodiments shown in fig. 1 to 8. The circuit breaker changeover structure and the changeover device of the present invention are not limited to the description of the following embodiments.

As shown in fig. 1-2 and 7-8, the circuit breaker switching structure of the utility model comprises a switching device and a circuit breaker 2; the circuit breaker 2 comprises an operation part 20 for driving the circuit breaker 2 to close or open; the switching device comprises a device shell 10 and a switching circuit arranged in the device shell 10, wherein two ends of the switching circuit are respectively and electrically connected with the circuit breaker 2 and the external conductor 3; the relay circuit includes a device connecting portion 111 for electrical connection with the circuit breaker and a device terminal 15 for connection with the external conductor 3, the relay device being disposed at one side of the operating member 20, the relay device and the operating member 20 being located side by side at the same end of the circuit breaker 2.

The switching structure of the circuit breaker is beneficial to expanding the wiring capacity of the circuit breaker, and comprises the positions of switching wiring, the wiring modes of switching wiring terminals and the like, and the switching device is arranged on one side of the operating part of the circuit breaker and arranged at the same end of the circuit breaker side by side, so that the switching structure is convenient for a user to operate, and is beneficial to improving the operating efficiency.

The circuit breaker switching structure and the switching device of the utility model will be further explained with reference to the drawings and the specific embodiments of the specification.

As shown in fig. 1, 2 and 4, the circuit breaker switching structure of the present embodiment includes a switching device and a circuit breaker 2; the circuit breaker 2 comprises an operating member 20; the switching device comprises a device shell 10 and a switching circuit arranged in the device shell 10, the switching device comprises the device shell 10 and the switching circuit arranged in the device shell 10, and the switching circuit comprises a device connecting part 111 and 112 used for being electrically connected with the circuit breaker and a device terminal 15 used for being connected with the external conductor 3; the switching device is arranged on one side of the operating element 20, and the switching device and the operating element 20 are arranged on the same end of the circuit breaker 2 side by side.

Further, circuit breaker 2 is preferably plug-in circuit breaker, and its operating parts 20 is the button of sliding setting on circuit breaker 2, circuit breaker 2 includes circuit breaker wiring hole 22 and sets up the circuit breaker wiring end in circuit breaker wiring hole 22, and operating parts 20 and circuit breaker wiring hole 22 set up the one end at circuit breaker 2, and operating parts 20 rectilinear movement is in order to drive circuit breaker 2 combined floodgate or separating brake, presses or draws operating parts 20 driven circuit breaker 2 combined floodgate, presses or draws operating parts 20 driven circuit breaker 2 separating brake, and the realization process is the prior art in this field, and the description is not expanded herein. Of course, as another embodiment, the operating member 20 may be a swing handle.

Preferably, as in the embodiment shown in fig. 1 and 2, the direction in which the changeover device is fitted to the circuit breaker 2 is parallel to the direction of movement of the operating member 20. Specifically, the switching device is assembled to the circuit breaker 2 from left to right, and the operating member 20 can perform reciprocating linear movement in the left-right direction. Specifically, as shown in fig. 1 and 2, the circuit breaker 2 includes a circuit breaker operation side surface, the switching device is disposed on the circuit breaker operation side surface, and the one end of the operation member 20 protruding outside the circuit breaker 2 and the switching device are both located on the same side of the circuit breaker operation side surface.

As shown in fig. 1, 2 and 7, the device housing 10 includes a connection side 11 provided with a device connection portion 111 and 112 and a connection side 13 provided with a device terminal 15, and the external conductor 3 is connected to the adapter device from the connection side 13 to be electrically connected with the device terminal 15. The external conductor 3 is connected to the adapter device from a direction crossing the wiring side 13, i.e. the external conductor 3 is connected to the adapter device perpendicular or oblique to the wiring side 13.

Preferably, the first arrangement of the connecting side 11 and the wiring side 13 is: the direction in which the switching device is assembled to the circuit breaker is taken as the length direction of the device housing 10, that is, the direction in which the operation member 20 moves linearly is taken as the length direction, the connection side surface 11 is located at one end of the device housing 10 in the length direction and is arranged opposite to the circuit breaker 2, the connection side surface 13 is located at one end of the device housing 10 in the width direction, and the operation member 20 is located at the other end of the device housing 10 in the width direction. The wiring mode of the embodiment can be adopted to change the access direction of the external lead, and the type of the device terminal 15 can be changed according to the requirement to connect different leads. Specifically, as shown in fig. 1, 2 and 7, the connecting side 11 is a side at one end of the device case 10 in the longitudinal direction, is disposed opposite to the circuit breaker 2, and is a right side of the device case 10 in fig. 7; the wiring side 13 is a side of one end of the device housing 10 in the width direction, and the wiring side 13 is an upper side or a lower side of the device housing 10, so that the installation direction of the external conductor 3 is perpendicular to the linear movement direction of the operation member 20, that is, the installation direction of the external conductor 3 is perpendicular to the installation direction of the device connecting portion 111 and 112 to the circuit breaker 2. It is preferable that the wiring side 13 is located at one end of the apparatus case 10 in the width direction away from the operation member 20, the operation member 20 is located at the other end of the apparatus case 10 in the width direction, the wiring side 13 is a lower side of the apparatus case 10 in fig. 7, and the operation member 20 is located at one side of an upper side of the apparatus case 10.

As another example, as shown in fig. 8, there is a second arrangement of the connection side surface 11 and the wiring side surface 13: the wiring side 13 and the connection side 11 are two sides that are arranged oppositely, the connection side 11 is arranged opposite to the circuit breaker 2, the connection side 11 and the wiring side 13 are respectively located at two ends of the device shell 10 in the length direction, and the external conductor 3 is connected into the adapter device from the direction that crosses the wiring side 13. Specifically, as shown in fig. 8, the connecting side 11 and the wiring side 13 are a pair of sides oppositely arranged in the length direction of the device housing 10, and the installation direction of the external conductor 3 is parallel to the linear moving direction of the operating member 20, i.e. the installation direction of the external conductor 3 is parallel to the installation direction of the device connecting portion 111 and 112 to the circuit breaker 2. With this embodiment, the type of device terminal 15 can be changed as needed to connect different wires.

The connection side surface 11 and the wiring side surface 13 are specifically arranged in a manner that adjustment can be performed according to actual wiring requirements, so that wiring requirements of the circuit breaker 2 in different application scenes can be met; the preferred embodiment of fig. 1-6 employs a first arrangement of the connection side 11 and the wiring side 13 such that the installation direction of the external conductor 3 is different from the installation direction of the device connecting portion 111 and 112 to the circuit breaker 2, and the position of the wiring is switched.

Preferably, as shown in fig. 2-5, the device connecting portion 111 and 112 is plugged into the circuit breaker 2, one end of the device connecting portion 111 and 112 protrudes from the connecting side surface 11 for plugging, the external conductor 3 is connected to the adapter device from the connecting side surface 13 to be electrically connected to the device terminal 15, the plugging direction of the device connecting portion 111 and 112 is taken as the length direction of the device housing 10, the connecting side surface 11 is located at one end of the device housing 10 in the length direction, and the connecting side surface 13 is located at one end of the device housing 10 in the width direction. The circuit breaker 2 includes a circuit breaker wiring hole 22 provided at one end of the circuit breaker 2 side by side with the operation member 20 and a circuit breaker terminal provided in the circuit breaker wiring hole 22, the device connecting portion 111 and 112 is inserted in the circuit breaker wiring hole 22 to be electrically connected to the circuit breaker terminal, and the other end of the device connecting portion 111 and 112 is electrically connected to the device terminal 15. Preferably, the circuit breaker wiring terminal is elastic wiring terminal, and the circuit breaker wiring hole 22 is provided with a circuit breaker wire detaching hole 23 in a corresponding manner, and the circuit breaker wire detaching hole 23 and the circuit breaker wiring hole 22 are matched in a one-to-one manner. Further, as shown in fig. 2-5, the device connecting portion 111 and 112 includes at least two conductive plates, one end of each conductive plate protrudes from the connecting side 11, and the other end is electrically connected to a corresponding device terminal 15. The device connecting portion 111 and 112 of the present embodiment includes a first conductive plate 111 and a second conductive plate 112, one ends of the first conductive plate 111 and the second conductive plate 112 respectively protrude at one side of the connecting side surface 11, and the other ends of the first conductive plate 111 and the second conductive plate 112 are respectively connected to the two device terminals 15.

Preferably, as shown in fig. 2-4, the device housing 10 further includes a device wiring hole 131 and 132 disposed on the wiring side 13, and the external conductor 3 is electrically connected to the device terminal 15 disposed in the device wiring hole 131 and 132 through the device wiring hole 131 and 132. Preferably, the extending direction of the device wiring holes 131 and 132 is perpendicular to the extending direction of the breaker wiring hole 22, that is, the direction in which the external conductor 3 is inserted into the device wiring holes 131 and 132 is perpendicular to the direction in which the device connecting portion 111 and 112 is inserted into the breaker wiring hole 22, so as to convert the wire connection direction of the breaker and expand the wiring capability of the breaker. Specifically, as shown in fig. 1, 2 and 7, the external conductor 3 is inserted into the device wiring hole 131 and 132 from the lower side of the adapter, and the device connecting portion 111 and 112 is inserted into the breaker wiring hole 22 from the left side to the right side of the breaker 2, with the wiring direction being vertical. Of course, as another embodiment, the device wiring holes 131 and 132 may be disposed obliquely, and the external conductors may be inserted in an oblique manner. Of course, as another embodiment, the device terminals 15 may be connected in other ways protruding from the terminal side 13.

Preferably, as shown in fig. 2-4 and 6, the device housing 10 further includes an operation side 14 and a device operation hole disposed on the operation side 14, the device operation hole is correspondingly matched with the device terminal 15 for connecting or removing the external conductor 3, and the operation side 14 and the connection side 11 are two oppositely disposed sides. Specifically, as shown in fig. 2 and 4, the operation side surface 14 is disposed opposite to the connection side surface 11, and is respectively located at two ends of the device housing 10 in the length direction, the connection side surface 13 is located at one end of the device housing 10 in the width direction, and the connection side surface 13 is preferably located at the lower end of the device housing 10; the device case 10 is provided with two device operation holes, a first device operation hole 141 and a second device operation hole 142, respectively, which are fitted opposite to the two device terminals 15 (i.e., the first device terminal 151 and the second device terminal 152), respectively. Further, the device terminal 15 includes a terminal frame and a terminal screw, and a user can screw the terminal screw through the device operation hole to press the external conductor between the terminal frame and the device connecting portion 111 and 112 (the first conductive plate 111 or the second conductive plate 112); or, the device wiring terminal 15 can also be an elastic wiring terminal, the external conductor 3 is inserted into the device wiring terminal 15, the device wiring terminal 15 automatically compresses the external conductor 3, and when the external conductor 3 needs to be detached, a user can apply force to the device wiring terminal 15 through the device operation hole to release the external conductor 3; the implementation of both of the above device terminals 15 is conventional in the art and will not be described further herein.

It should be noted that the position of the operation side 14 can be adjusted according to the arrangement of the device terminal 15, that is, the position of the operation side 14 is changed according to the orientation of the operated part (such as a binding screw or a wire clip) of the device terminal 15. For example, when the connection side 11 and the connection side 13 are arranged in the second arrangement of fig. 8, the operation side 14 is located at one end of the device case 10 in the width direction.

Preferably, as shown in fig. 2, 3 and 6, the device housing 10 further includes an avoidance notch disposed along the length direction of the device housing 10, the avoidance notch is disposed opposite to the breaker detaching hole 23 of the breaker 2 for detaching and/or connecting the device connecting portion 111 and 112, one end of the avoidance notch is located on the operation side 14 of the device housing 10, and the operation side 14 and the connection side 11 are two sides disposed opposite to each other. Specifically, as shown in fig. 2, the circuit breaker 2 is provided with two circuit breaker detaching holes 23, which are a first circuit breaker detaching hole 231 and a second circuit breaker detaching hole 232 respectively, and are matched with the first circuit breaker wiring hole 221 and the second circuit breaker wiring hole 222 respectively; the two breaker disconnecting holes 23 and the two breaker wiring holes 22 are preferably arranged at four vertex points of a quadrangle, the two breaker disconnecting holes 23 are positioned on the same diagonal, and the two breaker wiring holes 22 are positioned on the same diagonal; as shown in fig. 2, 3 and 6, the adapter device includes two avoidance gaps, namely a first avoidance gap 121 and a second avoidance gap 122, which are respectively in relative communication with the first breaker wire detaching hole 231 and the second breaker wire detaching hole 232, and the two avoidance gaps extend along the length direction of the adapter device. Preferably, as shown in fig. 5, the device connecting portion 111 and 112 includes at least two conductive plates, and at least one of the conductive plates is provided with a conductive plate avoiding hole corresponding to the avoiding notch. In this embodiment, the first conductive plate avoiding hole 113 is formed in the first conductive plate 11, and the first avoiding notch 121 is communicated with the first conductive plate avoiding hole 113.

Preferably, as shown in fig. 1 and 2, the circuit breaker 2 further includes a circuit breaker dividing plate 24 for supporting and/or guiding and/or limiting the switching device, the operating element 20 and the switching device are respectively located at two sides of the circuit breaker dividing plate 24, the operating element 20 moves linearly to drive the circuit breaker 2 to switch on or off, and the direction of the switching device assembled to the circuit breaker 2 is parallel to the moving direction of the operating element 20. Preferably, the device housing 10 further includes an assembly side surface, the assembly side surface and the wiring side surface 13 are two opposite side surfaces, and a guide structure and/or a limit structure matched with the breaker partition plate 24 are/is arranged on the assembly side surface. Specifically, as shown in fig. 1, the circuit breaker partition plate 24 is in limit fit with the adapter device, that is, the circuit breaker partition plate can simultaneously play a role in supporting and limiting the adapter device, and the limit structure can be in a corresponding clamping groove or a corresponding buckle mode; or, as shown in fig. 1, when the circuit breaker 2 and the switching device are turned up and down by 180 ° and the operating element 20 is located below the circuit breaker partition plate 24, the circuit breaker partition plate 24 may also function as a support for the switching device; or, the circuit breaker partition plate 24 and the device housing 10 of the switching device are provided with guide structures, that is, the function of guiding the switching device is achieved, and the guide structures are corresponding guide grooves or convex ribs and the like.

The switching device also has the following technical effects: as shown in fig. 1 and 2, when the plurality of circuit breakers 2 are arranged side by side, the plurality of circuit breakers 2 are arranged side by side in the thickness direction of the plurality of circuit breakers, so that the respective relay devices are also arranged side by side in the thickness direction, and the wiring side 13 and the operation side 14 of the relay devices are located at one end in the width direction and the length direction of the relay devices, respectively, and thus are not shielded.

Specifically, as shown in fig. 2 to 5, the device connecting portion 111 and 112 of the present embodiment includes a first conductive plate 111 and a second conductive plate 112 arranged at an interval, the breaker connection hole 22 includes a first breaker connection hole 221 and a second breaker connection hole 222, one ends of the first conductive plate 111 and the second conductive plate 112 respectively protrude from one side of the connecting side surface 11 and are respectively inserted into the first breaker connection hole 221 and the second breaker connection hole 222, the other ends of the first conductive plate 111 and the second conductive plate 112 are respectively connected to the two device terminals 15, the first conductive plate 111 and the second conductive plate 112 protrude at one end of the connection side 11, are arranged in a staggered manner in the thickness direction of the device shell 10 and in the width direction of the device shell 10, i.e., on an extension line in both the thickness direction and the width direction of the device case 10. As shown in fig. 2 to 4, the two device terminals 15 are a first device terminal 151 and a second device terminal 152 respectively connected to the first conductive plate 111 and the second conductive plate 112, the connection side 13 is correspondingly provided with a first device connection hole 131 and a second device connection hole 132 respectively matched with the first device terminal 151 and the second device terminal 152, the operation side 14 is correspondingly provided with a first device operation hole 141 and a second device operation hole 142 respectively, and the adaptor is provided with a first avoidance gap 121 and a second avoidance gap 122 respectively matched with the first conductive plate 111 and the second conductive plate 112 along the length direction of the device housing 10. The first conductive plate 111 has one end inserted into the first breaker wiring hole 221 and the other end connected to the first device terminal 151, and the second conductive plate 112 has one end inserted into the second breaker wiring hole 222 and the other end connected to the second device terminal 152.

Preferably, as shown in fig. 4 and 5, an insulating spacer 16 is disposed between the first conductive plate 111 and the second conductive plate 112. Specifically, as shown in fig. 4 and 5, the first conductive plate 111 and the second conductive plate 112 are both L-shaped structures, the first conductive plate 111 includes a first connection board and a first plugging plate that are connected by bending, the second conductive plate 112 includes a second connection board and a second plugging plate that are connected by bending, the first connection board and the second connection board extend along the width direction of the device housing 10 respectively and are electrically connected with the device connection terminal 15 and are arranged at intervals, the first plugging plate and the second plugging plate are arranged at intervals and extend along the length direction of the device housing 10 respectively, the free ends of the first plugging plate and the second plugging plate protrude at one side of the connection side 11, and the free ends of the first plugging plate and the second plugging plate are respectively matched with the circuit breaker connection terminal in a plugging manner. The first patch board and the second patch board are crossed with each other, an insulating partition plate 16 is arranged at the crossing position of the first patch board and the second patch board, and the insulating partition plate 16 is arranged on the first conductive plate 111 and/or the second conductive plate 112.

Preferably, as shown in fig. 6, the thickness of the device case 10 is equal to or less than the thickness of the circuit breaker 2, twice the thickness of the device terminal 15 is greater than the thickness of the device case 10, and the two device terminals 15 at least partially overlap in the thickness direction of the device case 10, which is stacked on one side of the first device terminal 151 and the second device terminal 152, and thus, the volume of the relay device and the requirement for installation space are reduced. Further, as shown in fig. 4, the two device terminals 15 are disposed in a staggered manner in the length direction of the device case 10 and in the thickness direction of the device case 10, that is, not on the same extension line in the length direction of the device case 10 nor on the same extension line in the width direction, but in fig. 4, the first device terminal 151 and the second device terminal 152 are disposed at both ends of the device case 10, respectively. The arrangement of the first device wiring hole 131 and the second device wiring hole 132 is beneficial to improving the compactness of the structure of the switching device and reducing the requirement on the installation space. The length direction of the device case 10 is the left-right direction of fig. 2-4, that is, the second device wiring hole 132 is disposed at the right side of the first device wiring hole 131; as shown in fig. 6, the thickness direction of the device case 10 is the left-right direction of fig. 6, that is, the right side of the second device wiring hole 132 and the left side of the first device wiring hole 131 are stacked. As shown in fig. 1 and 2, the switching device and the circuit breaker 2 are arranged on the outer side of the reader-facing side, the switching device and the circuit breaker 2 are arranged on the inner side of the reader-facing side, the thickness of the switching device is the distance between the inner side and the outer side of the switching device, and the thickness of the circuit breaker 2 is the distance between the inner side and the outer side of the circuit breaker 2.

As shown in fig. 1-4, a preferred embodiment of the device housing 10: the operation side 14 and the wiring side 13 of the device housing 10 form a multi-step shape, and include a plurality of sequentially connected wiring steps, the wiring step is provided with a device wiring hole 131 and 132 on the side of one end of the device housing 10 in the width direction, the wiring step is provided with a device operation hole on the side of one end of the device housing 10 in the length direction, the plurality of wiring steps form the wiring side 13 on the side of one end of the device housing 10 in the width direction, the plurality of wiring steps form the operation side 14 on the side of one end of the device housing 10 in the length direction, the wiring is facilitated by the multi-step shape structure, and the volume of the conversion device can be effectively reduced. I.e. the wiring side 13 and the operating side 14, do not necessarily have to be in the same plane. As shown in fig. 3-4, the operation side 14 and the wiring side 13 of the device housing 10 in this embodiment form a four-step shape, the lower side of one step is provided with the device wiring hole 131 and 132, and the left side of the other step is provided with the corresponding device operation hole, obviously, a large step can be provided as required, the lower side of the same large step is provided with the device wiring hole 131 and 132, and the left side is provided with the device operation hole.

As shown in fig. 2 to 4 and 6, the device housing 10 of the present embodiment has a specific structure, and the device housing 10 is composed of a housing base 100 and a housing cover 101 which are fitted to each other. The device case 10 includes a first case portion 10-0 for accommodating the first device terminal 151 and the first conductive plate 111 and a second case portion 10-1 for accommodating the second device terminal 152 and the second conductive plate 112, the first case portion 10-0 includes a first overlapping portion and a first projecting portion which are sequentially provided in a thickness direction thereof, the second case portion 10-1 includes a second overlapping portion and a second projecting portion which are sequentially provided in a thickness direction thereof, the first overlapping portion and the second overlapping portion are overlapped, the first projecting portion and the second projecting portion project toward both sides in the thickness direction of the device case 10, respectively, one end in a length direction of the second case portion 10-1 is flush with one side of the first case portion 10-0 to form a connecting side 11, the other end in the length direction of the second case portion 10-1 projects on the side of the first case portion 10-0, the operation side surface 14 and the connection side surface 11 are oppositely arranged and respectively located at two ends of the device housing 10 in the length direction, the first device operation hole 141 and the second device operation hole 142 are both arranged on the operation side surface 14 and respectively located on the first housing part 10-0 and the second housing part 10-1, the wiring side surface 13 is a side surface of the device housing 10 in the width direction, the first device wiring hole 131 and the second device wiring hole 132 are both arranged on the wiring side surface 13 and respectively located on the first housing part 10-0 and the second housing part 10-1, the first avoidance gap 121 extends in the length direction of the device housing 10 and is located in the middle of the first housing part 10-0, and the second avoidance gap 122 is arranged at a connection position of the first overlapping portion and the second protruding portion.

Specifically, as shown in fig. 2, the direction from left to right (or from right to left) is the length direction of the device housing 10 and the second housing portion 10-1, the direction from top to bottom (or from bottom to top) is the width direction of the device housing 10, the first housing portion 10-0 and the second housing portion 10-1, and the direction from outside to inside (or from inside to outside) is the thickness direction of the device housing 10; it should be noted that the first housing portion 10-0 and the second housing portion 10-1 are divisions of the shape of the device housing 10 and are not divisions of the actual detachable configuration of the device housing 10.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims (13)

1. A circuit breaker switching structure comprises a switching device and a circuit breaker (2); the circuit breaker (2) comprises an operation part (20) for driving the circuit breaker (2) to be switched on or switched off; the method is characterized in that: the switching device comprises a device shell (10) and a switching circuit arranged in the device shell (10), wherein the switching circuit comprises a device connecting part (111) and a device terminal (15) which are used for being electrically connected with the circuit breaker and used for being connected with an external conductor (3); the switching device is arranged on one side of the operating part (20), and the switching device and the operating part (20) are arranged on the same end of the circuit breaker (2) side by side.

2. The circuit breaker transition structure of claim 1, wherein: the device shell (10) comprises a connecting side surface (11) provided with a device connecting portion (111) and a connecting side surface (13) provided with a device terminal (15), an external conductor (3) is connected into the switching device from the connecting side surface (13) and is electrically connected with the device terminal (15), the connecting side surface (11) is positioned at one end of the device shell (10) in the length direction and is arranged opposite to the breaker (2), the connecting side surface (13) is positioned at one end of the device shell (10) in the width direction, and the operating part (20) is positioned at the other end of the device shell (10) in the width direction.

3. The circuit breaker transition structure of claim 1, wherein: the device shell (10) comprises a connecting side surface (11) provided with a device connecting part (111) and a connecting side surface (13) provided with a device terminal (15), an external conductor (3) is connected into the switching device from the connecting side surface (13) and is electrically connected with the device terminal (15), and the connecting side surface (13) and the connecting side surface (11) are two oppositely arranged side surfaces.

4. The circuit breaker transition structure of claim 2 or 3, wherein: one end of the device connecting part (111-112) protrudes out of one side of the connecting side surface (11); the circuit breaker (2) comprises a circuit breaker wiring hole (22) and a circuit breaker terminal arranged in the circuit breaker wiring hole (22), the operating piece (20) and the circuit breaker wiring hole (22) are arranged at one end of the circuit breaker (2), the device connecting part (111) and the circuit breaker terminal are inserted in the circuit breaker wiring hole (22) and electrically connected with each other, and the other end of the device connecting part (111) and the circuit breaker terminal (112) are electrically connected with each other.

5. The circuit breaker transition structure of claim 2, wherein:

the device housing (10) further comprises a device wiring hole (131) and a device wiring hole (132) which are arranged on the wiring side surface (13), and the external conductor (3) is electrically connected with the device wiring terminal (15) which is arranged in the device wiring hole (131) and the device wiring hole (132) through the device wiring hole (131) and the device wiring hole (132).

6. The circuit breaker transition structure of claim 5, wherein: the extending direction of the device wiring hole (131) and the device wiring hole (132) is perpendicular to the extending direction of the breaker wiring hole (22).

7. The circuit breaker transition structure of claim 5, wherein: the device shell (10) further comprises an operation side surface (14) and a device operation hole arranged on the operation side surface (14), and the device operation hole is matched with the device terminal (15) and used for connecting or removing the external conductor (3); the operation side surface (14) and the connecting side surface (11) are two oppositely arranged side surfaces.

8. The circuit breaker transition structure of claim 1, wherein: the device casing (10) further comprises an avoiding notch arranged along the length direction of the device casing (10), the avoiding notch is arranged opposite to a breaker wire detaching hole (23) of the breaker (2), one end of the avoiding notch is located on an operation side surface (14) of the device casing (10), and the operation side surface (14) and a connection side surface (11) are two opposite side surfaces.

9. The circuit breaker transition structure of claim 1, wherein: the circuit breaker (2) further comprises a circuit breaker partition plate (24), and the operating part (20) and the switching device are respectively positioned on two sides of the circuit breaker partition plate (24); the operating part (20) moves linearly to drive the breaker (2) to be switched on or switched off, and the direction of the switching device assembled to the breaker (2) is parallel to the moving direction of the operating part (20).

10. The circuit breaker transition structure of claim 9, wherein: the device shell (10) further comprises an assembly side face, the assembly side face and the wiring side face (13) are two opposite side faces, and a guide structure and/or a limiting structure matched with the breaker separation plate (24) are arranged on the assembly side face.

11. The circuit breaker transition structure of claim 7, wherein: the operation side face (14) and the wiring side face (13) of the device shell (10) form a multi-stage step shape and comprise a plurality of sequentially connected wiring steps, the wiring steps are provided with device wiring holes (131) and (132) on the side face of one end of the device shell (10) in the width direction, the wiring steps are provided with device operation holes on the side face of one end of the device shell (10) in the length direction, the side faces of the wiring steps at one end of the device shell (10) in the width direction form the wiring side face (13), and the side faces of the wiring steps at one end of the device shell (10) in the length direction form the operation side face (14).

12. The circuit breaker transition structure of claim 4, wherein: the device connecting part (111-112) comprises a first conductive plate (111) and a second conductive plate (112), wherein one end of the first conductive plate (111) and one end of the second conductive plate (112) respectively protrude from one side of the connecting side surface (11); the first conductive plate (111) and the second conductive plate (112) protrude from one end of the connecting side surface (11), are arranged in a staggered manner in the thickness direction of the device shell (10), and are arranged in a staggered manner in the width direction of the device shell (10).

13. The circuit breaker transition structure of claim 12, wherein: the thickness of the device housing (10) is less than or equal to the thickness of the circuit breaker (2), twice the thickness of the device terminal (15) is greater than the thickness of the device housing (10), and the two device terminals (15) at least partially overlap in the thickness direction of the device housing (10); the two device terminals (15) are arranged in a staggered manner in the length direction of the device housing (10) and in the thickness direction of the device housing (10).

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