A distribution box

Abstract

The present invention provides a distribution box, including a box body and a box door, in which a first circuit breaker, a first current transformer, a branch terminal box, a second circuit breaker, a first connecting plate, and a second connecting plate are arranged; the second connecting plate is communicatively connected to the first connecting plate; the distribution box facilitates the production and maintenance of a single module and a distribution box through the modular design and plug-in connection of each part structure, so that the installation and connection of the second circuit breaker, the second current transformer, and the control contactor are faster and more accurate, and no additional complex external connection lines are required. It is only necessary to directly assemble and connect the corresponding components on each connecting plate according to needs, thereby improving the controllability and scalability of the distribution box, making the distribution box structure simple, small in size, with many branch lines and high integration, meeting different power distribution needs, solving the problem of complex and messy strong and weak current wiring in the prior art, and making installation and disassembly faster, thereby improving the assembly and maintenance efficiency of the entire distribution box product, and improving production and work efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of power distribution equipment, and in particular to a distribution box. Background Art

[0002] Traditional distribution boxes typically simply house circuit breakers, current transformers, contactors, and other equipment within the box. This can meet low user demands for power distribution, but as demand for power distribution continues to increase, traditional distribution boxes are no longer able to meet these demands. On the one hand, these boxes are complex in structure and bulky, making assembly and maintenance difficult, wiring complex, and wiring messy. Furthermore, these boxes have low production and work efficiency, making them inefficient for rapid, large-scale production. On the other hand, traditional distribution boxes have poor controllability, scalability, and integration, making it difficult to meet users' increasing demands for power distribution. Therefore, it is necessary to invent a new type of distribution box to address these issues. Summary of the Invention

[0003] The purpose of the present invention is to provide a distribution box to solve the problems existing in the existing distribution box, modularize the structures of the various parts of the distribution box, make the distribution box structure simple and small in size, have multiple branches, high integration, easy to assemble and maintain, effectively improve production and work efficiency, and have controllability and scalability to meet users' increasingly high power distribution needs.

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a distribution box, comprising a box body and a box door, wherein the box body is provided with at least one incoming line terminal and at least one outgoing line terminal, and the box body is provided with a first circuit breaker, a first current transformer, a branch terminal box, at least one second circuit breaker, a first connecting plate, and a second connecting plate; the first circuit breaker is connected to the main line between the incoming line terminal and the branch terminal box, and is connected to the first connecting plate; the first current transformer is sleeved on the main line, preferably sleeved on the main line between the first circuit breaker and the branch terminal box, and is connected to the first connecting plate; the second The connecting plate is provided with at least one control contactor, and the second connecting plate is communicatively connected to the first connecting plate; the branch terminal box is provided with at least one branch terminal and at least one outlet hole and branches out at least one branch line, the outlet hole is provided with an insulating protection ring, and the branch terminal box is connected to the second circuit breaker and the control contactor in sequence through the branch line; the first connecting plate is provided with at least one second current transformer, and the second current transformer is sleeved on the branch line between the second circuit breaker and the control contactor, between the branch terminal box and the second circuit breaker, in the branch terminal box or between the control contactor and the outlet end. Through the modular design and plug-in connection of the various structures of the branch terminal box, the first connecting plate, and the second connecting plate, the production and maintenance of a single module and a distribution box are more convenient, and the distribution box has a simple structure, a small size, and many branches, which improves the controllability and scalability of the distribution box. The distribution box has a high degree of integration, and the distribution box does not require the use of complex connection wiring during assembly, which solves the problems of complex strong and weak current wiring and messy lines in the existing technology, making the installation and disassembly of the distribution box more convenient and quick, significantly improving the assembly and maintenance efficiency of the entire distribution box product, effectively improving production efficiency, and meeting users' increasingly high power distribution needs.

[0005] Furthermore, it also includes a weak-current box, in which the first connecting plate is arranged; the first connecting plate is also provided with a first processor, a first connector and at least one first terminal; the second current transformer, the first terminal, and the first connector are connected to the first processor through the first connecting plate; the second current transformer is used to collect the current signals of each branch line and transmit them to the first processor through the first connecting plate. Through the modular design of the first connecting plate, the current signals collected by multiple second current transformers can be integrated and directly transmitted to the first processor without the need to use additional external connecting wires to connect each second current transformer to the first processor separately. It only needs to be connected through the first connecting plate, which is convenient for assembly and disassembly, making the distribution box structure simple, small in size and with many branch lines, improving the controllability and scalability of the product, improving the integration of the distribution box, and improving the product assembly efficiency to meet the users' increasingly high power distribution needs.

[0006] Furthermore, the first terminal is connected to the corresponding second circuit breaker, and is used to collect the opening and closing status of the second circuit breaker and transmit it to the first processor, and input a control signal to the second circuit breaker through the first processor; through the modular design of the first connecting plate, the opening and closing status and control signals of multiple second circuit breakers can be integrated, without the need for each second circuit breaker to be connected to the first processor through additional external connections. It is only necessary to connect each second circuit breaker to the corresponding first terminal according to the required number. The first terminal transmits the signal of each second circuit breaker to the first processor through the first connecting plate. Assembly and disassembly are convenient, making the distribution box structure simple, small in size and with many branch lines, thereby improving the integration of the distribution box, eliminating the need for additional complex wiring, improving product controllability and scalability, and improving product assembly efficiency.

[0007] Furthermore, the second connecting board is also provided with a second connector, a second processor, at least one second terminal and at least one third terminal. The second terminal, the third terminal and the second connector are connected to the second processor through the second connecting board, and the second connector is communicatively connected to the first connector.

[0008] Furthermore, the control contactor is connected to the corresponding second terminal and third terminal. Through the modular design of the second connecting plate, the second connecting plate can integrate the control signals of multiple control contactors without the need for each control contactor to be connected to the first processor through additional external wiring. It is only necessary to connect each control contactor to the corresponding second terminal and third terminal according to the required number. The second terminal and the third terminal transmit the signal of each control contactor to the second processor through the second connecting plate, and then connect it to the first connector of the first connecting plate through the second connector. It is easy to assemble and disassemble, and does not require additional complex wiring, so that the distribution box structure is simple, small in size, and has many branch lines, thereby improving the integration of the distribution box, improving the controllability and scalability of the product, and improving the product assembly efficiency.

[0009] Furthermore, a third connecting plate is included, and the at least one second circuit breaker is arranged on the third connecting plate.

[0010] Furthermore, the distribution box also includes: a residual current transformer, which is installed in the main line and / or branch line and connected to the first processor through the first connector; and / or an arc transformer, which is installed in the main line and / or branch line and connected to the first processor through the first connector.

[0011] Furthermore, the distribution box also includes a surge protector, which is connected to the main line and / or branch line and is connected to the first processor through the first connector.

[0012] Furthermore, the distribution box also includes a temperature sensor, which is arranged in at least one position in the box body, the main line, the branch line or the line connector, and is connected to the first processor through the first connector.

[0013] Furthermore, the distribution box also includes a display device, which is arranged on the box body and / or the box door. The display device is connected to the first processor through the first connector, and is used for displaying parameters of the distribution box and user control operations. It may include displaying voltage, current, power, temperature, surge protector status, circuit breaker status, control contactor status, residual current, arc signal and other information, as well as performing control operations such as circuit breakers or contactors.

[0014] Optionally, the display device includes at least one of the following: a touch screen, a liquid crystal screen, an LED screen, and an OLED screen.

[0015] It should be noted that the above-mentioned connectors may be matching plugs and sockets, the above-mentioned first connecting plate and the second connecting plate may be PCB (Printed Circuit Board) boards, and the above-mentioned third connecting plate may be a metal plate.

[0016] The distribution box provided by the embodiment of the present invention has the following beneficial effects: through the modular design and plug-in connection of the various parts of the distribution box structure, the production and maintenance of individual modules and distribution boxes are facilitated, and the installation and connection of the second circuit breaker, the second current transformer, and the control contactor are faster and more accurate without the need for additional complex external connection lines. It is only necessary to assemble and connect the corresponding devices directly on each connection board according to needs, thereby improving the controllability and scalability of the distribution box, making the distribution box structure simple, small in size, and with many branch lines, thereby improving the integration of the distribution box and meeting different power distribution needs. Moreover, this distribution box and each module do not need to be connected with complex connecting wires during assembly, which solves the problems of complex strong and weak current wiring and messy lines in the existing distribution box technology, making the installation and disassembly of the distribution box more convenient and quick, significantly improving the assembly and maintenance efficiency of the entire distribution box product, and effectively improving production and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0018] Figure 1 A schematic structural diagram of a distribution box provided in the first embodiment of the present invention;

[0019] Figure 2 A schematic structural diagram of a door of a distribution box provided in the first embodiment of the present invention;

[0020] Figure 3 A schematic diagram of the structure of a distribution box provided in the second embodiment of the present invention;

[0021] Figure 4 A schematic diagram of the structure of a distribution box provided in the third embodiment of the present invention;

[0022] Figure 5 A schematic structural diagram of a distribution box provided in the fourth embodiment of the present invention;

[0023] Figure 6 This is a structural diagram of the distribution box provided in Example 5 of the present invention.

[0024] Description of reference numerals:

[0025] 1. Box body; 101. First incoming terminal; 102. First outgoing terminal; 103. Second incoming terminal; 104. Second outgoing terminal; 2. Residual current transformer; 3. First circuit breaker; 4. First current transformer; 5. Arc transformer; 6. Branch terminal box; 601. Branch terminal; 602. Outlet hole; 7. Third connecting plate; 701. Second circuit breaker; 8. First connecting plate; 801. Second current transformer; 802. First terminal; 803. First processor; 804. First connector; 805. Weak-current box; 9. Second connecting plate; 901. Control contactor; 902. Second terminal; 903. Third terminal; 904. Second connector; 905. Second processor; 10. Surge protector; 11. Main line; 12. Branch line; 13. Temperature sensor; 14. Box door; 15. Display device. DETAILED DESCRIPTION

[0026] The distribution box of the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] Figure 1 The figure shows a schematic structural diagram of a distribution box provided in the first embodiment of the present invention. Figure 21 , a schematic diagram of the door structure of the distribution box provided in the first embodiment of the present invention is shown. The distribution box in this embodiment is shown as an upper line entry mode, including a box body 1 and a box door 14. The box body 1 is provided with at least one line entry terminal and at least one line exit terminal, which are shown in this embodiment as a first line entry terminal 101, a first line exit terminal 102, a second line entry terminal 103, and a second line exit terminal 104; the box body 1 is provided with a first circuit breaker 3, a first current transformer 4, a branch terminal box 6, at least one second circuit breaker 701, a first connecting plate 8, and a second connecting plate 9; the first circuit breaker 3 is connected to the main line 11 between the first line entry terminal 101 and the branch terminal box 6, and is connected to the first connecting plate 8, and the first circuit breaker 3 is connected to the first connector 804; the first current transformer 4 is sleeved on the main line 11, preferably The main line 11 is sleeved between the first circuit breaker 3 and the branch terminal box 6, and is connected to the first connecting plate 8, and the first current transformer 4 is connected to the first connector 804; the second connecting plate 9 is provided with at least one control contactor 901, and the second connecting plate 9 is communicatively connected to the first connecting plate 8; the branch terminal box 6 is provided with at least one branch terminal 601 and at least one outlet hole 602 and branches out at least one branch line 12, and the outlet hole 602 is provided with an insulating protection ring, and the branch terminal box 6 is connected to the second circuit breaker 701 and the control contactor 901 in sequence through the branch line 12; the first connecting plate 8 is provided with at least one second current transformer 801, and the second current transformer 801 is sleeved on the branch line 12 between the second circuit breaker 701 and the control contactor 901. Through the modular design and plug-in connection of the various structures of the branch terminal box, the first connecting plate, and the second connecting plate, the production and maintenance of a single module and a distribution box are more convenient, so that the distribution box has a simple structure, a small size, and many branches, and the distribution box has a high degree of integration, which improves the controllability and scalability of the distribution box. In addition, this distribution box does not require the use of complex connection wiring during assembly, which solves the problems of complex strong and weak current wiring and messy lines in the existing technology, making the installation and disassembly of the distribution box more convenient and quick, significantly improving the assembly and maintenance efficiency of the entire distribution box product, effectively improving production efficiency, and meeting users' increasingly high power distribution needs.

[0029] Furthermore, it also includes a weak current box 805, in which the first connecting plate 8 is arranged; the first processor 803, the first connector 804 and at least one first terminal 802 are also provided on the first connecting plate 8; the second current transformer 801, the first terminal 802, and the first connector 804 are connected to the first processor 803 through the first connecting plate 8; the second current transformer 801 is used to collect the current signal of each branch line 12 and transmit it to the first processor 803 through the first connecting plate 8. Through the modular design of the first connecting plate 8, the current signals collected by multiple second current transformers 801 can be integrated and directly transmitted to the first processor 803, without the need to use additional external connecting wires to connect each second current transformer to the first processor separately. It only needs to be connected through the first connecting plate 8, which is convenient for assembly and disassembly, making the distribution box structure simple, small in size and with many branch lines, improving the integration of the distribution box, improving the controllability and scalability of the product, and improving the product assembly efficiency to meet the users' increasingly high power distribution needs.

[0030] Furthermore, the first terminal 802 is connected to the corresponding second circuit breaker 701, and is used to collect the opening and closing status of the second circuit breaker 701 and transmit it to the first processor 803, and input a control signal to the second circuit breaker 701 through the first processor 803; through the modular design of the first connecting plate 8, the opening and closing status and control signals of multiple second circuit breakers can be integrated, without the need for each second circuit breaker 701 to be connected to the first processor 803 through additional external connections. It is only necessary to connect each second circuit breaker to the corresponding first terminal according to the required number. The first terminal transmits the signal of each second circuit breaker to the first processor through the first connecting plate. Assembly and disassembly are convenient, making the distribution box structure simple, small in size and with many branch lines, thereby improving the integration of the distribution box, eliminating the need for additional complex wiring, improving product controllability and scalability, and improving product assembly efficiency.

[0031] Furthermore, the second connecting board 9 is also provided with a second connector 904, a second processor 905, at least one second terminal 902 and at least one third terminal 903. The second terminal 902, the third terminal 903 and the second connector 904 are connected to the second processor 905 through the second connecting board 9, and the second connector 904 is communicatively connected to the first connector 804.

[0032] Furthermore, the control contactor 901 is connected to the corresponding second terminal 902 and third terminal 903. Through the modular design of the second connecting plate 9, the second connecting plate 9 can integrate the control signals of multiple control contactors without the need for each control contactor to be connected to the first processor through additional external wiring. It is only necessary to connect each control contactor to the corresponding second terminal and third terminal according to the required number. The second terminal and the third terminal transmit the signal of each control contactor to the second processor through the second connecting plate, and then connect it to the first connector 804 of the first connecting plate 8 through the second connector 904. It is easy to assemble and disassemble, and does not require additional complex wiring, so that the distribution box structure is simple, small in size, and has many branch lines, thereby improving the integration of the distribution box, improving the controllability and scalability of the product, and improving the product assembly efficiency.

[0033] Furthermore, a third connecting plate 7 is included, and the at least one second circuit breaker 701 is arranged on the third connecting plate 7 .

[0034] Furthermore, the distribution box also includes: a residual current transformer 2, which is arranged in the main line 11 and / or the branch line 12, and is connected to the first processor 803 through the first connector 804. The residual current transformer 2 shown in this embodiment is arranged in the main line 11 between the first incoming terminal 101 and the first circuit breaker 3; and / or, an arc transformer 5, which is arranged in the main line 11 and / or the branch line 12, and is connected to the first processor 803 through the first connector 804. The arc transformer 5 shown in this embodiment is arranged in the main line 11 between the first circuit breaker 3 and the branch terminal box 6.

[0035] Furthermore, the distribution box also includes a surge protector 10, which is connected to the main line 11 and / or branch line 12, and is connected to the first processor 803 through the first connector 804. The surge protector 10 shown in this embodiment is connected to the main line 11.

[0036] Furthermore, the distribution box also includes a temperature sensor 13, which is arranged in at least one position in the box body 1, the main line 11, the branch line 12 or the line connector, and is connected to the first processor 803 through the first connector 804.

[0037] Furthermore, the distribution box also includes a display device 15, which is arranged on the box body 1 and / or the box door 14. The display device 15 is connected to the first processor 803 through the first connector 804, and is used for parameter display of the distribution box and user control operations, which may include displaying voltage, current, power, temperature, surge protector status, circuit breaker status, control contactor status, residual current, arc signal and other information, as well as performing control operations such as circuit breakers or contactors; the display device 15 shown in this embodiment is arranged on the box door 14.

[0038] Optionally, the display device 15 includes at least one of the following: a touch screen, a liquid crystal screen, an LED screen, and an OLED screen.

[0039] It should be noted that the above-mentioned connectors may be matching plugs and sockets, the above-mentioned first connecting plate and the second connecting plate may be PCB (Printed Circuit Board) boards, and the above-mentioned third connecting plate may be a metal plate.

[0040] Example 2

[0041] Figure 3 A structural schematic diagram of the distribution box provided in Example 2 of the present invention is shown. The same parts as in Example 1 are marked with the same reference numerals, and only the differences are described below. The distribution box in this embodiment shows a bottom-input method, and the first circuit breaker 3 is connected to the main line 11 between the second input terminal 103 and the branch terminal box 6, and is connected to the first connecting plate 8. The first circuit breaker 3 is connected to the first connector 804.

[0042] Furthermore, the distribution box also includes a residual current transformer 2, which is arranged in the main line 11 and / or the branch line 12, and is connected to the first processor 803 through the first connector 804. The residual current transformer 2 shown in this embodiment is arranged in the main line 11 between the second incoming terminal 103 and the first circuit breaker 3.

[0043] Example 3

[0044] Figure 4 A structural schematic diagram of the distribution box provided in Example 3 of the present invention is shown. The same parts as in Example 1 are marked with the same reference numerals, and only the differences are described below. The distribution box in this embodiment is shown as follows: the first connecting plate 8 is provided with at least one second current transformer 801, and the second current transformer 801 is arranged in the branch line 12 between the branch terminal box 6 and the second circuit breaker 701.

[0045] Example 4

[0046] Figure 5A structural schematic diagram of the distribution box provided in embodiment 4 of the present invention is shown. The same parts as in embodiment 1 are marked with the same figures, and only the differences are described below. The distribution box in this embodiment is shown as follows: the first connecting plate 8 is provided with at least one second current transformer 801, and the second current transformer 801 is arranged in the branch line 12 in the branch terminal box 6.

[0047] Optionally, the first connecting plate 8 is arranged in the branch terminal box 6 or on a side thereof.

[0048] Example 5

[0049] Figure 6 A structural schematic diagram of the distribution box provided in Example 5 of the present invention is shown. The same parts as in Example 1 are marked with the same reference numerals, and only the differences are described below. The distribution box in this embodiment is shown as having the first connecting plate 8 provided with at least one second current transformer 801, and the second current transformer 801 is sleeved on the branch line 12 between the control contactor 901 and the first outlet terminal 102 or the second outlet terminal 104.

[0050] The distribution box provided by each embodiment of the present invention facilitates the production and maintenance of a single module and a distribution box through the modular design and plug-in connection of the various parts of the distribution box structure, so that the installation and connection of the second circuit breaker, the second current transformer, and the control contactor are faster and more accurate, and no additional complex external connection lines are required. It is only necessary to assemble and connect the corresponding components directly on each connection board according to needs, thereby improving the controllability and scalability of the distribution box, making the distribution box structure simple, small in size, and with many branch lines, thereby improving the integration of the distribution box and meeting different power distribution needs. Moreover, this distribution box and each module do not need to be connected with complex connecting wires during assembly, which solves the problems of complex strong and weak current wiring and messy lines in the existing distribution box technology, making the installation and disassembly of the distribution box more convenient and quick, significantly improving the assembly and maintenance efficiency of the entire distribution box product, and effectively improving production and work efficiency.

[0051] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A distribution box, comprising a box body (1) and a box door (14), characterized in that: The box (1) is provided with at least one incoming line terminal and at least one outgoing line terminal, and the box (1) is provided with a first circuit breaker (3), a first current transformer (4), a branch terminal box (6), at least one second circuit breaker (701), a first connecting plate (8), and a second connecting plate (9); the first circuit breaker (3) is connected to the main line (11) between the incoming line terminal and the branch terminal box (6), and is connected to the first connecting plate (8); the first current transformer (4) is sleeved on the main line (11) and is connected to the first connecting plate (8); the second connecting plate (9 ) is provided with at least one control contactor (901), and the second connection plate (9) is communicatively connected to the first connection plate (8); the branch terminal box (6) is provided with at least one branch terminal (601) and at least one outlet hole (602) and branches out at least one branch line (12), and the branch terminal box (6) is connected to the second circuit breaker (701) and the control contactor (901) in sequence through the branch line (12); the first connection plate (8) is provided with at least one second current transformer (801), and the second current transformer (801) is sleeved on the branch line (12) between the second circuit breaker (701) and the control contactor (901), between the branch terminal box (6) and the second circuit breaker (701), in the branch terminal box (6) or between the control contactor (901) and the outlet terminal; The distribution box adopts a modular design, the branch terminal box (6) is connected to the first connection plate (8) and the second connection plate (9) through a plug connector, and the first connection plate (8) and the second connection plate (9) are connected for communication through the plug connector.

2. The distribution box according to claim 1, characterized in that: The device further comprises a weak current box (805), wherein the first connecting plate (8) is arranged in the weak current box (805); a first processor (803), a first connector (804) and at least one first terminal (802) are also arranged on the first connecting plate (8); and the second current transformer (801), the first terminal (802) and the first connector (804) are connected to the first processor (803) via the first connecting plate (8).

3. The distribution box according to claim 2, characterized in that: The first terminal (802) is connected to the corresponding second circuit breaker (701), and is used to collect the opening and closing status of the second circuit breaker (701) and transmit it to the first processor (803), and input a control signal to the second circuit breaker (701) through the first processor (803).

4. The distribution box according to claim 2, characterized in that: The second connecting plate (9) is further provided with a second connector (904), a second processor (905), at least one second terminal (902) and at least one third terminal (903); the second terminal (902), the third terminal (903) and the second connector (904) are connected to the second processor (905) via the second connecting plate (9); and the second connector (904) is communicatively connected to the first connector (804).

5. The distribution box according to claim 4, characterized in that: The control contactor (901) is connected to the corresponding second terminal (902) and third terminal (903).

6. The distribution box according to claim 1, characterized in that: It also includes a third connecting plate (7), on which the at least one second circuit breaker (701) is arranged.

7. The distribution box according to claim 2, characterized in that: The distribution box also includes: A residual current transformer (2), the residual current transformer (2) being mounted in the main circuit (11) and / or the branch circuit (12), and connected to the first processor (803) via the first connector (804); And / or, an arc transformer (5), the arc transformer (5) is sleeved in the main line (11) and / or the branch line (12), and is connected to the first processor (803) via the first connector (804).

8. The distribution box according to claim 2, characterized in that: The distribution box further comprises a power supply protector (10), wherein the power supply protector (10) is connected to the main line (11) and / or the branch line (12), and is connected to the first processor (803) via the first connector (804).

9. The distribution box according to claim 2, characterized in that: The distribution box further comprises a temperature sensor (13), which is arranged in at least one position in the box body (1), the main line (11), the branch line (12) or the line connector, and is connected to the first processor (803) via the first connector (804).

10. The distribution box according to claim 2, characterized in that: The distribution box further comprises a display device (15), wherein the display device (15) is arranged on the box body (1) and / or the box door (14), and the display device (15) is connected to the first processor (803) via the first connector (804).

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