Modularized circuit breaker wiring device, circuit breaker and wiring method

Abstract

The modular circuit breaker wiring device comprises wiring shells which are mutually independent and arranged side by side, each wiring shell comprises a wiring seat and a connecting seat, a placement groove formed in the wiring seat in the width direction of the wiring seat is formed in the wiring seat, the placement grooves are used for placing conducting bars of different types, and the connecting seat and the wiring seat are connected to form a wiring cavity. A connecting platform is formed above the wire holder, a clamping strip is arranged on the connecting platform, a clamping groove corresponding to the clamping strip is formed in the contact face of the connecting seat and the connecting platform, and an inserting groove is formed in the bottom of the wire holder. One end, facing the wire holder, of the connecting seat is provided with a plugging part corresponding to the plugging groove, and the plugging part is in plugging connection with the plugging groove of the wire holder. The modular structure is adopted, the multiple independent wiring shells are arranged, the conducting bars are arranged on the wiring shells, and when one wiring shell needs to be replaced, only the wiring shell needs to be replaced independently, and the conducting bars of other phases are not affected.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, and in particular to a modular circuit breaker wiring device, a circuit breaker and a wiring method. Background Art

[0002] In the power distribution system, the connection between the busbar and the circuit breaker is particularly important. The existing connection mainly uses wires to softly connect the busbar and the circuit breaker. The specific implementation method is: through holes are opened on the busbars of each phase corresponding to each pole of the power network, and the wiring terminals at one end of each wire are fixed on the busbars of each phase using screw assemblies. The wiring terminals at the other end of each phase wire are connected to the incoming terminals of each pole of the circuit breaker respectively, so as to realize the electrical connection between the busbar and the circuit breaker.

[0003] Each pole of a multi-pole circuit breaker needs to be equipped with a wire, so a large number of wires, screws and other parts are required, and the wires are exposed in the cabinet, the wiring is complicated and lacks safety; In the prior art, the announcement number CN221668751U discloses a wiring device for a circuit breaker, which includes a base and a cover connected to the base through a positioning structure, a mutually independent wiring chamber is arranged between the base and the cover, openings are formed on both sides of the wiring chamber, a conductive member is connected to the wiring chamber, a transfer table is arranged in the wiring chamber, an external connection channel is opened at the position of the base facing the wiring chamber, a positioning hole is opened on the inner wall of the external connection channel, the conductive member is fixed to the base through a fastener passing through the positioning hole and the conductive member itself, one end of the conductive member is connected to the transfer table, and the other end of the conductive member extends to the outside of the external connection channel. The above technical solution is to concentrate the three-phase wiring in one frame, and when the wiring device needs to be replaced, it needs to be replaced as a whole. Secondly, an independent wiring chamber is set for each conductive bar, which results in its heat dissipation range being only the chamber where it is located, and its heat dissipation performance still has room for improvement. Summary of the invention

[0004] To solve the above problems, the technical solution provided by the present invention is: A modular circuit breaker wiring device comprises wiring housings which are independent of each other and arranged side by side, the wiring housings comprising a wiring seat and a connecting seat, the wiring seat is formed with an accommodating groove opened in the width direction thereof, the accommodating groove is used to place different types of conductive bars, the connecting seat is connected with the wiring seat to form a wiring cavity, the wiring cavities in different wiring housings are communicated, the wiring cavity is communicated with the accommodating groove, a connecting platform is formed above the wiring seat, a clamping strip is arranged on the connecting platform, a clamping slot is formed on the contact surface between the connecting seat and the connecting platform corresponding to the clamping strip, a plug-in slot is formed at the bottom of the wiring seat, a plug-in portion is formed at one end of the connecting seat facing the wiring seat corresponding to the plug-in slot, and the plug-in portion is plug-connected with the plug-in slot of the wiring seat.

[0005] The present invention is further arranged that the end of the plug-in portion close to the connecting seat is the distal end, the end of the plug-in portion away from the connecting seat is the proximal end, there is a gap between the distal end and the inner end surface of the connecting seat, and the proximal end coincides with the outer end surface of the wiring seat; when the wiring housings are spliced, the gaps between adjacent connecting seats are spliced ​​to form a splicing groove, and an insert is provided in the splicing groove for connecting the wiring housing in an insertion manner.

[0006] The present invention further provides that both sides of the connection base are open to allow the wiring cavity to communicate with the outside, and the conductive bar has a first connection end connected to the circuit breaker and a second connection end connected to the external wire, and the second connection end extends into the wiring cavity.

[0007] The present invention is further provided with a positioning connection hole on the lower side of the placement groove, the positioning connection hole is opened from the lower side of the placement groove to the lower end face of the wiring seat, and a fastener is arranged in the positioning connection hole to fix the conductive bar in the placement groove, wherein the lower hole end of the positioning connection hole is covered by the plug-in portion.

[0008] The present invention further provides that a support platform is provided on the connection seat, and the support platform is used to support the part of the conductive bar used for wiring. The support platform is composed of evenly arranged support bars, and the support bars are inserted into the insertion slots of the connection seat. The height of the support bars depends on the height of the conductive bar.

[0009] The present invention is further provided that a heat dissipation grille is formed on the connection seat, and the heat dissipation grille is located on the upper end surface, the lower end surface and the side end surface of the connection seat.

[0010] The present invention is further arranged that the upper end surface forms a first grille area, the lower end surface forms a second grille area, the side end surface forms a third grille area, and the third grille area is provided in plurality, the third grille area close to the first grille area is communicated with the first grille area, the third grille area close to the second grille area is communicated with the second grille area, and the first grille area, the second grille area and the third grille area form a heat dissipation channel.

[0011] The present invention further provides that an embedded block is provided on the end surface of the wiring seat opposite to the circuit breaker for connecting the circuit breaker.

[0012] The present invention also provides a circuit breaker, comprising a circuit breaker body and the modular circuit breaker wiring device, wherein the outgoing line end of the circuit breaker body is connected to the conductive bar through a wiring terminal, and a docking groove is provided on the circuit breaker body, and the docking groove is connected to the embedded block.

[0013] The present invention also provides a wiring method for a circuit breaker wiring device, using the modular circuit breaker wiring device, comprising: Process 1: Connect the conductive bars of each phase to the placement slots respectively, and fix the conductive bars to the terminal blocks with fasteners; Process 2: Select support bars of different heights according to the height of the conductive bar and install the support bars into the insertion slots formed on the connecting seat; Process three: Connect the connection seat and the wiring seat in a plug-in manner, wherein the card strip and the card slot cooperate, and the plug slot and the plug-in part cooperate to fix; Process 4: Connect the connected wiring housing to the circuit breaker respectively; Process 5: Connecting multiple wiring housings into a whole through inserts; The order of process five and process four can be swapped.

[0014] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: This technical solution adopts a modular structure, and sets up multiple independent wiring housings. Conductive bars are set in the wiring housings. While being able to meet the wiring requirements, one-to-one wiring is performed through a separate wiring housing. When one of the wiring housings needs to be replaced, it only needs to be replaced separately without affecting the conductive bars of other phases. It has good versatility and can still be used with the other two phases after replacement. In addition, after all the wiring housings are installed, the conductive bars of the three are located in the cavity formed by the three wiring chambers, realizing synchronous heat dissipation, which in disguise increases the range of heat dissipation and cooperates with the design of the heat dissipation channel, greatly improving the heat dissipation effect on the original basis. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is a three-dimensional diagram of a circuit breaker wiring device according to an embodiment of the present invention.

[0016] Figure 2 This is a three-dimensional diagram of a circuit breaker wiring device according to an embodiment of the present invention with one conductive bar removed.

[0017] Figure 3 This is a three-dimensional view from another angle of the circuit breaker wiring device according to the embodiment of the present invention.

[0018] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0019] Figure 5 This is a three-dimensional view from another angle of the circuit breaker wiring device according to the embodiment of the present invention.

[0020] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0021] Figure 7 This is a three-dimensional view from another angle of the circuit breaker wiring device according to the embodiment of the present invention.

[0022] Figure 8 It is a schematic diagram of a wiring device and a circuit breaker according to an embodiment of the present invention.

[0023] Description of reference numerals: 10, connecting seat; 101, card slot; 102, plug-in portion; 1021, far end; 1022, near end; 20, wiring seat; 201, placement slot; 202, connection platform; 203, card strip; 204, plug-in slot; 205, embedded block; 30. Conductive bar; 301. First connection end; 302. Second connection end; 40. Wiring cavity; 50. Gap; 60. Splicing slot; 70. Insert; 80. Positioning connection hole; 90, support platform; 901, support bar; 902, insertion slot; 100, heat dissipation grille; 1001, first grille area; 1002, second grille area; 1003, third grille area; 110. Circuit breaker body; 1101. Docking slot; 120. Fasteners. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1

[0026] refer to Figures 1 to 8 As shown, this embodiment provides a modular circuit breaker wiring device, including wiring housings that are independent of each other and arranged side by side. This embodiment is described for three phases of the circuit breaker corresponding to three wiring housings: The wiring housing includes a wiring seat 20 and a connecting seat 10. The wiring seat 20 is formed with a placement groove 201 opened in its width direction. The placement groove 201 is used to place different types of conductive bars 30. The types of conductive bars 30 are I-shaped or Z-shaped, etc.; in this embodiment, the heights of the placement grooves 201 are all consistent. The purpose of such design is to improve versatility and reduce the development cost of the mold; in addition, the height of the placement groove 201 can also be designed accordingly according to the required height of the conductive bar 30. Of course, designing the height of the placement groove 201 according to the height of the conductive bar 30 can also achieve the replacement purpose of the present invention.

[0027] The connection seat 10 and the wiring seat 20 are connected to form a wiring cavity 40. After assembling multiple wiring shells, the wiring cavities 40 in different wiring shells are connected, and the wiring cavity 40 is connected to the placement groove 201. A connection platform 202 is formed above the wiring seat 20, and a clamping strip 203 is arranged on the connection platform 202. A clamping groove 101 is formed on the contact surface between the connection seat 10 and the connection platform 202 corresponding to the clamping strip 203. A plug-in groove 204 is formed at the bottom of the wiring seat 20. A plug-in portion 102 is formed at one end of the connection seat 10 facing the wiring seat 20 corresponding to the plug-in groove 204, and the plug-in portion 102 is plug-connected with the plug-in groove 204 of the wiring seat 20.

[0028] The connection between the connection socket 10 and the wiring is achieved through the cooperation between the card slot 101 and the card strip 203 as well as the plug-in portion 102 and the plug-in slot 204, which simplifies the assembly process, makes installation more convenient, and is simple to operate.

[0029] The end of the plug-in portion 102 close to the connection seat 10 is the distal end 1021, and the end of the plug-in portion 102 away from the connection seat 10 is the proximal end 1022. There is a gap 50 between the distal end 1021 and the inner end surface of the connection seat 10, and the proximal end 1022 coincides with the outer end surface of the wiring seat 20; when the wiring housings are spliced, the gaps 50 between the adjacent connection seats 10 are spliced ​​to form a splicing groove 60, and an insert 70 for connecting the wiring housing in an inserted manner is provided in the splicing groove 60, wherein the shape of the insert 70 is adapted to the shape of the splicing groove 60, and is specifically designed according to the shape of the gap 50 formed between the plug-in portions 102; Figure 5 As shown, the structure of the insert 70 used in this embodiment.

[0030] The two sides of the connection base 10 are open so that the wiring cavity 40 is connected to the outside to achieve heat dissipation. In addition, the conductive bar 30 has a first connection end 301 connected to the circuit breaker and a second connection end 302 for external wire connection. The second connection end 302 extends into the wiring cavity 40, that is, the external wire connection is achieved in the wiring cavity 40.

[0031] When installing the conductive bar 30, the following technical solution is adopted: A positioning connection hole 80 is opened on the lower side of the placement groove 201. The positioning connection hole 80 is opened from the lower side of the placement groove 201 to the lower end surface of the wiring seat 20. A fastener 120 is arranged in the positioning connection hole 80 to fix the conductive bar 30 in the placement groove 201. The fastener 120 is a screw or a bolt, and the lower hole end of the positioning connection hole is covered by the plug-in portion.

[0032] In addition, in order to ensure the stability of the conductive bar 30 during installation, a support platform 90 is provided on the connecting seat 10. The support platform 90 is used to support the part of the conductive bar 30 used for wiring. The support platform 90 is composed of evenly arranged support bars 901. The support bars 901 are inserted into the insertion slots 902 of the connecting seat 10. The height of the support bars 901 depends on the height of the conductive bar 30. The support bars 901 are inserted in an insertion manner, which can be disassembled and replaced. During long-term use, the temperature rise of the conductive bar 30 will affect the effect of the support bars 901, and the heights of the support bars 901 required for the conductive bars 30 of different heights are also different. The insertion method can be used to achieve replacement and flexible assembly according to the height of the conductive bar 30.

[0033] In addition, in order to improve the heat dissipation effect, in this embodiment, a heat dissipation grille 100 is formed on the connection base 10, and the heat dissipation grille 100 is located on the upper end surface, the lower end surface and the side end surface of the connection base 10. Specifically, the upper end surface is formed with a first grille area 1001, the lower end surface is formed with a second grille area 1002, and the side end surface is formed with a third grille area 1003, and the third grille area 1003 is provided with a plurality of them, and the third grille area 1003 close to the first grille area 1001 is communicated with the first grille area 1001, and the third grille area 1003 close to the second grille area 1002 is communicated with the second grille area 1002, and the first grille area 1001, the second grille area 1002 and the third grille area 1003 form a heat dissipation channel.

[0034] An embedded block 205 is provided on the end surface of the wiring base 20 opposite to the circuit breaker for connecting the circuit breaker.

[0035] Example 2

[0036] Based on Example 1: The present invention also provides a circuit breaker, including a circuit breaker body 110 and the modular circuit breaker wiring device, the output end of the circuit breaker body 110 is connected to the conductive bar 30 through a wiring terminal, and the circuit breaker body 110 is provided with a docking groove 1101, and the docking groove 1101 is connected to the embedded block 205.

[0037] Example 3

[0038] The present invention also provides a wiring method for a circuit breaker wiring device, using the modular circuit breaker wiring device, comprising: Process 1: Connect the conductive bars 30 of each phase to the placement slots 201 respectively, and fix the conductive bars 30 to the wiring base 20 by fasteners 120; Process 2: Select support bars 901 of different heights according to the height of the conductive bar 30 and install the support bars 901 into the insertion slots 902 formed on the connecting seat 10; Process three: Connect the connection base 10 and the wiring base 20 in a plug-in manner, wherein the clamping strip 203 cooperates with the clamping slot 101, and the plugging slot 204 cooperates with the plug-in portion 102 to fix; Process 4: Connect the connected wiring housing to the circuit breaker respectively; Process 5: Connecting multiple wiring housings into a whole through the insert 70; The order of process five and process four can be swapped.

[0039] The present invention adopts a modular structure, and sets a plurality of independent wiring housings. A conductive bar 30 is set in the wiring housing. While being able to meet the wiring requirements, one-to-one wiring is performed through a separate wiring housing. When one of the wiring housings needs to be replaced, it only needs to be replaced separately without affecting the conductive bars 30 of other phases. It has good versatility and can still be used with the other two phases after replacement. In addition, after all the wiring housings are installed, the conductive bars 30 of the three are located in the cavity formed by the three wiring cavities 40, realizing synchronous heat dissipation, which in disguise increases the range of heat dissipation and cooperates with the design of the heat dissipation channel, greatly improving the heat dissipation effect on the original basis.

[0040] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A modular circuit breaker wiring device, characterized in that: It comprises wiring shells which are independent of each other and arranged side by side, the wiring shells comprising a wiring seat and a connecting seat, the wiring seat is formed with an accommodating groove opened in the width direction thereof, the accommodating groove is used to place different types of conductive bars, the connecting seat is connected with the wiring seat to form a wiring cavity, the wiring cavities in different wiring shells are communicated with each other, the wiring cavity is communicated with the accommodating groove, a connecting platform is formed above the wiring seat, a clamping strip is arranged on the connecting platform, a clamping slot is formed on the contact surface between the connecting seat and the connecting platform corresponding to the clamping strip, a plug-in slot is formed at the bottom of the wiring seat, a plug-in portion is formed at one end of the connecting seat facing the wiring seat corresponding to the plug-in slot, the plug-in portion is plug-connected with the plug-in slot of the wiring seat.

2. A modular circuit breaker wiring device according to claim 1, characterized in that: The end of the plug-in portion close to the connecting seat is the distal end, and the end of the plug-in portion away from the connecting seat is the proximal end. There is a gap between the distal end and the inner end surface of the connecting seat, and the proximal end coincides with the outer end surface of the wiring seat. When the wiring housings are spliced, the gaps between adjacent connecting seats are spliced ​​to form a splicing groove, and an insert is provided in the splicing groove for connecting the wiring housing in an insertion manner.

3. A modular circuit breaker wiring device according to claim 1, characterized in that: The two sides of the connection seat are open to allow the wiring cavity to communicate with the outside. The conductive bar has a first connection end connected to the circuit breaker and a second connection end connected to an external wire, and the second connection end extends into the wiring cavity.

4. A modular circuit breaker wiring device according to claim 1, characterized in that: A positioning connection hole is provided on the lower side of the placement groove, and the positioning connection hole is opened from the lower side of the placement groove to the lower end face of the wiring seat. A fastener is provided in the positioning connection hole to fix the conductive bar in the placement groove, wherein the lower hole end of the positioning connection hole is covered by the plug-in portion.

5. A modular circuit breaker wiring device according to claim 1, characterized in that: A support platform is provided on the connection seat, and the support platform is used to support the part of the conductive bar used for wiring. The support platform is composed of evenly arranged support bars, and the support bars are inserted into the insertion slots of the connection seat. The height of the support bars depends on the height of the conductive bar.

6. A modular circuit breaker wiring device according to claim 1, characterized in that: A heat dissipation grille is formed on the connection base, and the heat dissipation grille is located on the upper end surface, the lower end surface and the side end surface of the connection base.

7. A modular circuit breaker wiring device according to claim 6, characterized in that: The upper end surface forms a first grille area, the lower end surface forms a second grille area, and the side end surface forms a third grille area. There are multiple third grille areas, and the third grille area close to the first grille area is connected to the first grille area, and the third grille area close to the second grille area is connected to the second grille area. The first grille area, the second grille area and the third grille area form a heat dissipation channel.

8. A modular circuit breaker wiring device according to any one of claims 1 to 7, characterized in that: An embedded block is arranged on the end surface of the wiring seat opposite to the circuit breaker for connecting the circuit breaker.

9. A circuit breaker, characterized in that: It comprises a circuit breaker body and the modular circuit breaker wiring device according to any one of claims 1 to 8, wherein the outgoing line end of the circuit breaker body is connected to the conductive bar through a wiring terminal, and a docking groove is provided on the circuit breaker body, and the docking groove is connected to the embedded block.

10. A wiring method for a circuit breaker wiring device, characterized in that: The modular circuit breaker wiring device according to any one of claims 1 to 8 comprises: Process 1: Connect the conductive bars of each phase to the placement slots respectively, and fix the conductive bars to the terminal blocks with fasteners; Process 2: Select support bars of different heights according to the height of the conductive bar and install the support bars into the insertion slots formed on the connecting seat; Process three: Connect the connection seat and the wiring seat in a plug-in manner, wherein the card strip and the card slot cooperate, and the plug slot and the plug-in part cooperate to fix; Process 4: Connect the connected wiring housing to the circuit breaker respectively; Process 5: Connecting multiple wiring housings into a whole through inserts; The order of process five and process four can be swapped.

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