Double-path comprehensive protection box

Abstract

The utility model relates to the field of power distribution, in particular to a double-circuit comprehensive protection box. The double-circuit comprehensive protection box provided by the utility model comprises a box body, the box body is internally provided with a terminal and a partition plate capable of dividing a containing cavity of the box body into two functional cavities, and each functional cavity is internally provided with a group of power distribution assemblies matched with a power supply loop. The power distribution assembly comprises a first circuit breaker, an electric signal sensor and a surge protector which are electrically connected with the terminal.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution, especially to a double-path comprehensive protection box. BACKGROUND

[0002] The function of the power comprehensive protection box is to monitor and control the power supply line, and the existing power supply stability requirement is higher, and the electric appliance needs to set the standby power supply, when the main power supply circuit cannot continue to supply power, the standby power supply circuit needs to be switched to supply power, in order to ensure the timeliness of switching, the double switch needs to be set on the power supply circuit, the two power distribution cables of the main power supply circuit and the standby power supply circuit form a power distribution cable connected with the electric appliance after passing through the double switch, when the main power supply circuit cannot continue to supply power, the double switch automatically switches the standby power supply circuit to supply power to the electric appliance.

[0003] The double switch has two arrangement modes, the first one is arranged in the power comprehensive protection box, at this time, the power comprehensive protection box can output a stable power supply, the second one is arranged on the electric appliance side, at this time, the power comprehensive protection box needs to output two power supplies, namely the main power supply and the standby power supply, the power comprehensive protection box monitors and controls the signals of the two power supplies, therefore, the electric signals of the two power supply cables in the comprehensive protection box need to be collected, the collected signals need to be processed, and the circuit is controlled according to the processing result, the two power supply cables exist in the power comprehensive protection box, and there are sensors and other elements for monitoring and controlling the cables, and signal cables for signal transmission, therefore, the cable wiring and element arrangement in the power comprehensive protection box need to be distinguished, so as to facilitate the subsequent maintenance. UTILITARIAN CONTENT

[0004] The utility model provides a double-path comprehensive protection box, can realize the distinction of each cable wiring and element arrangement in the power comprehensive protection box, thereby facilitating the subsequent maintenance.

[0005] The double-path comprehensive protection box provided by the utility model, comprising a box body, a terminal and a partition plate capable of separating the cavity of the box body into two functional cavities are arranged in the box body, a group of power distribution components matched with the power supply circuit are arranged in each functional cavity, and the power distribution components comprise a first circuit breaker, an electric signal sensor and a surge protector electrically connected with the terminal respectively.

[0006] Further, one side of the partition plate faces the opening of the cavity, and the other side is connected with the back plate of the box body opposite to the opening.

[0007] Further, the box is provided with a mounting plate, the mounting plate is connected with the back plate through a stud, the partition plate is located between the mounting plate and the opening, and one side of the partition plate close to the mounting plate is connected with the mounting plate through screwing, so that two functional cavities are formed between the mounting plate and the opening, and the first circuit breaker, the electric signal sensor and the surge protector are respectively located in the corresponding functional cavities and connected with the mounting plate in the functional cavities through screwing.

[0008] Further, the partition plate is bent to form the abutting portion, and the abutting portion is connected with the mounting plate through screwing.

[0009] Further, the partition plate is provided with a notch structure, and the power supply ports on both sides of the terminal respectively extend into the functional cavities on both sides of the partition plate through the notch structure.

[0010] Further, the power distribution assembly further comprises a second circuit breaker located at the outgoing line side of the double-way comprehensive protection box, and one of the second circuit breakers is connected with one phase line of the power supply circuit.

[0011] Further, a plurality of the second circuit breakers are connected through a lapping piece to form a circuit breaker group, the incoming line terminal connection port of one of the second circuit breakers in each circuit breaker group is connected with one phase line, and the incoming line terminal connection port of the other second circuit breaker is connected with a surge protector.

[0012] Further, the electric signal sensor comprises a current transformer, and the current transformer is sleeved on the phase line of the outgoing line end of the first circuit breaker.

[0013] Further, the mounting plate is bent to form a wiring end face corresponding to the edges of the two functional cavities, and at least part of the power supply cable connected with the power supply port is fixed on the wiring end face corresponding to the functional cavity through buckling.

[0014] Further, the mounting plate is provided with a through hole structure corresponding to the notch structure, the terminal is connected with the mounting plate through screwing, the port side of the terminal extends into the gap between the mounting plate and the back plate through the through hole structure, and the first circuit breaker, the electric signal sensor and the surge protector are connected with the interfaces of the port side through the signal cable arranged in the gap. Advantages

[0015] The box body in the scheme is internally provided with a partition plate, the partition plate can separate the cavity of the box body into two functional cavities, a group of power supply circuit cables pass through each functional cavity, and a group of power distribution components matched with the power supply circuit are also arranged, and a terminal for managing signal transmission of each element in the power distribution component is also arranged in the cavity, that is, the two power supply circuit cables and the power distribution component in the box body of the comprehensive protection box in the scheme are respectively arranged in the corresponding functional cavities, the two power supply circuits and the power distribution component are separated by the partition plate, and when maintenance operation is performed, the power distribution component and the cable of each power supply circuit can be easily distinguished, thereby improving the maintenance efficiency of the comprehensive protection box. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Fig. 1 is the overall structure schematic diagram of the double-way comprehensive protection box according to the first embodiment to the third embodiment of the present application;

[0018] Fig. 2 is the structure schematic diagram of the mounting plate towards the opening side of the box body according to the first embodiment to the third embodiment of the present application;

[0019] Fig. 3 is the structure schematic diagram of the mounting plate towards the back plate side of the box body according to the first embodiment to the third embodiment of the present application.

[0020] The drawings show that: 1-box body; 2-terminal; 3-partition plate; 4-power distribution component; 5-functional cavity; 6-phase line; 7-buckle; 8-first circuit breaker; 9-electrical signal sensor; 10-second circuit breaker; 11-mounting plate; 12-surge protector; 13-port side; 14-power cable; 15-wiring end face; 16-signal cable. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application will be described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application. Embodiment one

[0022] As Figs. 1 to 3The double-path comprehensive protection box shown includes a box body 1, a terminal 2 arranged in the box body 1, and a partition plate 3 capable of separating the cavity of the box body 1 into two functional cavities 5, each functional cavity 5 is provided with a set of power distribution components 4 matched with the power supply circuit, and the power distribution components 4 include a first circuit breaker 8, an electrical signal sensor 9, and a surge protector 12 electrically connected with the terminal 2 respectively.

[0023] In order to separate the double-path power supply circuit and the power distribution components 4 in the comprehensive protection box, and facilitate the cable connection or other maintenance operations of each power supply circuit, the box body 1 in the present scheme is provided with the partition plate 3, the partition plate 3 can separate the cavity of the box body 1 into two functional cavities 5, a set of power supply circuit cables pass through each functional cavity 5, and a set of power distribution components 4 matched with the power supply circuit are also arranged in the cavity, and a terminal 2 for managing the signal transmission of each element in the power distribution components 4 is also arranged in the cavity, the power distribution components 4 include the first circuit breaker 8, the electrical signal sensor 9, and the surge protector 12, and the cables of the power supply circuit are inserted into the cavity of the box body 1 from outside the box body 1, the phase line 6 is connected to the first circuit breaker 8, the electrical signal sensor 9 is matched with the phase line 6 to realize the signal acquisition of the current flowing through the phase line 6, and the surge protector 12 is connected with the phase line 6 and the zero line through the grounding line.

[0024] That is, the cables of the two power supply circuits and the power distribution components 4 in the box body 1 of the comprehensive protection box in the present scheme are respectively arranged in the corresponding functional cavities 5, and the two power supply circuits and the power distribution components 4 are separated by the partition plate 3, so that the power distribution components 4 and the cables of each power supply circuit can be distinguished during the maintenance operation, thereby improving the maintenance efficiency of the comprehensive protection box.

[0025] In an optional embodiment, one side of the partition plate 3 faces the opening of the cavity, and the other side is connected with the back plate of the box body 1 opposite to the opening.

[0026] One end of the box body 1 is provided with an opening, the other end opposite to the opening is a back plate, the opening and the back plate are provided with side plates surrounding four sides, the partition plate 3 extends in the cavity from the side plate close to one end to the side plate close to the other end, so that the partition plate 3 separates the cavity into two functional cavities 5, and also separates the opening into two parts, each functional cavity 5 corresponds to one part of the opening of the original cavity, and the operator can insert tools or materials into the corresponding functional cavity 5 through the opening during the operation.

[0027] In an optional embodiment, the box body 1 is provided with a mounting plate 11, the mounting plate 11 is connected with the back plate through a stud, the partition plate 3 is located between the mounting plate 11 and the opening, one side of the partition plate 3 close to the mounting plate 11 is connected with the mounting plate 11 through screwing, so that the mounting plate 11 and the opening form two functional cavities 5, the first circuit breaker 8, the electrical signal sensor 9, and the surge protector 12 are respectively located in the corresponding functional cavities 5 and connected with the mounting plate 11 in the functional cavities 5 through screwing.

[0028] Terminal 2, first circuit breaker 8, electrical signal sensor 9 and surge protector 12 are respectively mounted on mounting plate 11 with screws. The function of mounting plate 11 is to facilitate the installation and removal of power distribution component 4 in enclosure 1. In this solution, after the power distribution component 4 is installed on mounting plate 11, the mounting plate 11 is placed into enclosure 1 and fixed in place, thereby avoiding the problem of inconvenience in the installation and wiring of power distribution component 4 due to the narrow space inside enclosure 1.

[0029] Preferably, the power distribution assembly 4 is mounted on the side end face of the mounting plate 11 facing the opening, so that the operator can operate the power distribution assembly 4 through the opening. The power supply circuit cable and the grounding cable are also arranged on the side end face of the mounting plate 11 facing the opening.

[0030] In one alternative embodiment, the partition plate 3 is bent to form an abutment portion, which is connected to the mounting plate 11 by screws.

[0031] The end face of the abutment part facing the mounting plate 11 fits against the mounting plate 11. A connecting hole is provided on the abutment part, and a corresponding connecting hole is also provided on the mounting plate 11. Screws pass through the two connecting holes to fix the abutment part to the mounting plate 11.

[0032] In one optional embodiment, the partition plate 3 is provided with a notch structure, and the power supply ports on both sides of the terminal 2 extend into the functional cavities 5 on both sides of the partition plate 3 through the notch structure.

[0033] In this solution, terminal 2 is connected to two power supply circuits simultaneously via power supply cable 14. One power supply circuit within a functional cavity 5 can be considered the main circuit, and the other power supply circuit within the same functional cavity 5 can be considered the backup circuit, thus ensuring the power supply stability of the electrical appliances located below the integrated protection box. Terminal 2 is fixed to the mounting plate 11 at the notch structure with screws, thus spanning the two functional cavities 5. The portion of terminal 2 with one power supply port is located in the functional cavity 5 containing the main circuit, and the power supply cable 14 from this circuit is routed within that cavity 5 and connected to the power supply port on that side. The portion of terminal 2 with the other power supply port is located in the functional cavity 5 containing the backup circuit, and the power supply cable 14 from this backup circuit is also routed within that cavity 5 and connected to the power supply port on that side. In other words, by connecting to both power supply circuits, the power supply stability of terminal 2 is ensured.

[0034] In an optional embodiment, the power distribution assembly 4 further includes a second circuit breaker 10 located on the outgoing side of the dual-circuit integrated protection box, and the second circuit breaker 10 is connected to a phase line 6 of the power supply circuit.

[0035] The first circuit breaker 8 is located at the incoming line side of the double-path comprehensive protection box, the cable of the power supply loop is inserted into the corresponding functional cavity 5 from outside the box body 1, the phase line 6 is firstly connected to the first circuit breaker 8 in the functional cavity 5, and then connected to the second circuit breaker 10 in the functional cavity 5 through the port of the outgoing line end of the first circuit breaker 8. The second circuit breaker 10 is located at the outgoing line side of the double-path comprehensive protection box, and the phase line 6 of the power supply loop is connected to the zero line of the power supply loop after passing through the port of the outgoing line end of the second circuit breaker 10.

[0036] It is worth noting that all the phase lines 6 of the power supply loop are connected to a first circuit breaker 8, thereby realizing unified control of the phase lines 6 of the power supply loop. Each phase line 6 of the power supply loop is connected to a second circuit breaker 10, thereby realizing individual control of the phase lines 6 of the power supply loop.

[0037] In an optional embodiment, the electric signal sensor 9 comprises a current transformer which is sleeved on the phase line 6 of the outgoing line end of the first circuit breaker 8.

[0038] In an optional embodiment, the mounting plate 11 is bent to form a wiring end face 15 corresponding to the two side edges of the two functional cavities 5, and at least part of the power supply cable 14 connected to the power supply port is fixed on the wiring end face 15 of the corresponding functional cavity 5 by the buckle 7.

[0039] The edge plate of the mounting plate 11 is bent towards the back plate side, so that there is a gap between the part of the mounting plate 11 arranged to mount the power distribution assembly 4 and the back plate. The screw for mounting the power distribution assembly 4 extends into the gap after passing through the mounting plate 11, avoiding piercing the back plate. The bent plate forms a reinforcing rib structure, improving the torsional rigidity of the mounting plate 11. The outer wall surface of the bent plate forms the wiring end face 15. Taking one of the functional cavities 5 as an example, most of the power supply cable 14 is fixed on the wiring end face 15 by the buckle 7, and the two ends extend to the end face of the mounting plate 11 respectively provided with the terminal 2 and the power distribution assembly 4. One end is connected to the port of the incoming line end of the second circuit breaker 10, and the other end is connected to the power supply port of the terminal 2 in the functional cavity 5. The power supply cable 14 is arranged to extend through the wiring end face 15 of the edge of the mounting plate 11, thereby avoiding mutual influence between the power supply cable 14 and the cable of the power supply loop.

[0040] In an optional embodiment, the mounting plate 11 is provided with a through hole structure corresponding to the aperture structure, the terminal 2 is connected to the mounting plate 11 by screwing, the port side 13 of the terminal 2 extends into the gap between the mounting plate 11 and the back plate through the through hole structure, and the first circuit breaker 8, the electric signal sensor 9 and the surge protector 12 are connected to the interface of the port side 13 through the signal cable 16 arranged in the gap.

[0041] The power distribution assembly 4 is installed on the side end face of the mounting plate 11 facing the opening, so that the operator can operate the power distribution assembly 4 through the opening. The cables of the power supply circuit and the grounding cable are also arranged on the side end face of the mounting plate 11 facing the opening, so that the operator can operate through the opening.

[0042] To avoid mutual influence between the cables and to avoid strong electricity interfering with the signal cable 16, the signal cable 16 between the first circuit breaker 8, the electrical signal sensor 9, the surge protector 12 and the terminal 2 is arranged in the gap between the mounting plate 11 and the back plate. Specifically, after the signal cable 16 is electrically connected to the corresponding element through the port or other means, it is passed through the hole position on the mounting plate 11 near the corresponding element to the gap between the mounting plate 11 and the back plate, and is fixed to the mounting plate 11 by the buckle 7 and extends to near the terminal 2. The port side 13 of the terminal 2 is provided with a plurality of signal ports, and the port side 13 of the terminal 2 extends into the gap between the mounting plate 11 and the back plate through the port structure, so as to realize the plug-in connection of the signal cable 16 and the corresponding signal port. Embodiment two

[0043] The plurality of second circuit breakers 10 are connected by the lapping piece to form a circuit breaker group. The incoming line terminal connection port of one of the second circuit breakers 10 in each circuit breaker group is connected to one phase line 6, and the incoming line terminal connection port of the other second circuit breaker 10 is connected to a surge protector 12.

[0044] The plurality of second circuit breakers 10 are connected by the lapping piece to form a circuit breaker group. The lapping piece is a conductive metal piece, which short-circuits the circuit structure of the incoming line end side of each second circuit breaker 10 in one circuit breaker group. One phase line 6 is connected to the port of the incoming line end of one of the second circuit breakers 10 in the circuit breaker group. The ports of the incoming line ends of the other second circuit breakers 10 in the circuit breaker group are respectively connected to the power supply cable 14 and the grounding cable of the surge protector 12. The port of the outgoing line end of each second circuit breaker 10 in the circuit breaker group is respectively connected to one phase line 6.

[0045] The number of the circuit breaker groups in the scheme is consistent with the number of the phase lines 6 of the power supply circuit in the functional cavity 5.

[0046] The cable of the main circuit in the two-way power supply circuit is inserted into the corresponding functional cavity 5 from outside the box body 1, each phase line 6 of the main circuit is first connected to the first circuit breaker 8 in the functional cavity 5, and then connected to each circuit breaker group in the functional cavity 5 through the cable through the port of the outgoing line end of the first circuit breaker 8, each phase line 6 is connected to one of the second circuit breakers 10 in the corresponding circuit breaker group, the second circuit breaker 10 is located at the outgoing line side of the double-way comprehensive protection box, and the phase line 6 of the main circuit is connected to the zero line of the main circuit and then led out of the box body 1 through the port of the outgoing line end of each second circuit breaker 10.

[0047] Similarly, the cable of the standby circuit in the two-way power supply circuit is inserted into the corresponding functional cavity 5 from outside the box body 1, each phase line 6 of the standby circuit is first connected to the first circuit breaker 8 in the functional cavity 5, and then connected to each circuit breaker group in the functional cavity 5 through the cable through the port of the outgoing line end of the first circuit breaker 8, each phase line 6 is connected to one of the second circuit breakers 10 in the corresponding circuit breaker group, the second circuit breaker 10 is located at the outgoing line side of the double-way comprehensive protection box, and the phase line 6 of the standby circuit is connected to the zero line of the standby circuit and then led out of the box body 1 through the port of the outgoing line end of each second circuit breaker 10. Embodiment three

[0048] Two mounting plates 11 are arranged in the box body 1, the two mounting plates 11 are connected to the back plate through studs, the partition plate 3 is located between the two mounting plates 11, the side of the partition plate 3 close to the back plate is connected to the back plate through screw connection, so that each mounting plate 11 and the opening form a functional cavity 5, the first circuit breaker 8, the electrical signal sensor 9 and the surge protector 12 are respectively located in the corresponding functional cavity 5 and connected to the mounting plate 11 in the functional cavity 5 through screw connection.

[0049] Each mounting plate 11 corresponds to one functional cavity 5 and one power distribution assembly 4, the terminal 2, the first circuit breaker 8, the second circuit breaker 10, the electrical signal sensor 9 and the surge protector 12 of one power distribution assembly 4 are respectively fixed on the mounting plate 11 through screws, the mounting plate 11 is used for facilitating disassembly and assembly of the power distribution assembly 4 in the box body 1, two power distribution assemblies 4 are respectively installed on the corresponding mounting plates 11 in the scheme, then the mounting plates 11 are respectively placed in the box body 1 and fixed, so that the problem of inconvenient installation and wiring of the power distribution assembly 4 caused by narrow space in the box body 1 is avoided.

[0050] It should be noted that any of the above embodiments are illustrative of the present application and not limiting of the present application, and alternative embodiments can be devised by those skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word comprising does not exclude the presence of elements or steps not listed in the claim. The word a or an shall not exclude the presence of a plurality of elements, articles or steps, as used in the description and the claims, the word, first, second, etc. does not imply any orders. The use of the terms at least one and one does not exclude the presence of more than one, although a single unit can also be present. The use of the terms first, second and the like does not imply any orders. These terms can be understood as names.

[0051] The above embodiments are only suitable for illustrating the present application, but not limiting the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application. Therefore, all equivalent technical solutions also belong to the scope of the present application, and the patent protection scope of the present application should be defined by the claims.

Claims

1. A two-way hosiery chest comprising a chest (1), characterised in that, The box (1) is internally provided with a terminal (2) and a partition plate (3) capable of separating the cavity of the box (1) into two functional cavities (5), each of the functional cavities (5) is internally provided with a power distribution assembly (4) matched with a power supply circuit, the power distribution assembly (4) comprises a first circuit breaker (8), an electrical signal sensor (9) and a surge protector (12) respectively electrically connected with the terminal (2); One side of the partition plate (3) faces the opening of the cavity, and the other side is connected with the back plate of the box (1) opposite to the opening; The box (1) is internally provided with a mounting plate (11), the mounting plate (11) is connected with the back plate through a stud, the partition plate (3) is located between the mounting plate (11) and the opening, and one side of the partition plate (3) close to the mounting plate (11) is connected with the mounting plate (11) through screwing; The partition plate (3) is provided with a notch structure, and the power supply ports on both sides of the terminal (2) respectively extend into the functional cavities (5) on both sides of the partition plate (3) through the notch structure; The edge plate of the mounting plate (11) is bent towards the back plate side, so that there is a gap between the part of the mounting plate (11) arranged with the power distribution assembly (4) and the back plate; The mounting plate (11) is provided with a through port structure at the position corresponding to the notch structure, the terminal (2) is connected with the mounting plate (11) through screwing, the port side (13) of the terminal (2) extends into the gap between the mounting plate (11) and the back plate through the through port structure, and the first circuit breaker (8), the electrical signal sensor (9) and the surge protector (12) are connected with the interfaces of the port side (13) through the signal cable (16) arranged in the gap.

2. The double-lap package according to claim 1, characterized in that The mounting plate (11) and the opening form two functional cavities (5), the first circuit breaker (8), the electrical signal sensor (9) and the surge protector (12) are respectively located in the corresponding functional cavities (5) and connected with the mounting plate (11) in the functional cavities (5) through screwing.

3. The double-lap bandage according to claim 2, characterized in that The partition plate (3) is bent to form an abutting portion, and the abutting portion is connected with the mounting plate (11) through screwing.

4. The double-lap bandage according to claim 1, characterized in that The power distribution assembly (4) further comprises a second circuit breaker (10) located at the outgoing line side of the double-circuit protection box, and one of the second circuit breakers (10) is connected with one phase line (6) of the power supply circuit.

5. The double-lap bandage according to claim 4, characterized in that A plurality of second circuit breakers (10) are connected through a lapping piece to form a circuit breaker group, the incoming line terminal connection port of one of the second circuit breakers (10) of each circuit breaker group is connected with one phase line (6), and the incoming line terminal connection port of the other second circuit breaker (10) is connected with a surge protector (12).

6. The double-lap bandage according to claim 1, characterized in that The electrical signal sensor (9) comprises a current transformer, and the current transformer is sleeved on the phase line (6) of the outgoing line end of the first circuit breaker (8).

7. The dual-lane carton according to claim 1, wherein, The mounting plate (11) is bent to form a wiring end face (15) corresponding to the two side edges of the two functional cavities (5), and at least a part of the power supply cable (14) connected with the power supply port is fixed on the corresponding wiring end face (15) of the functional cavity (5) through the buckle (7).

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