Intelligent comprehensive distribution box

Abstract

The utility model relates to an intelligent comprehensive distribution box, which comprises a box body, and an incoming line protection unit, a lightning protection device, a low-voltage reactive compensation unit, an outgoing line protection unit and an electric energy metering unit for collecting and analyzing electric energy data are arranged in the box body. The incoming line protection unit, the lightning protection device and the low-voltage reactive compensation unit are all electrically connected with the electric energy metering unit, the incoming line protection unit is electrically connected with the outgoing line protection unit, and a heat dissipation and dehumidification unit is further arranged in the box body. The distribution box integrates the electric energy metering unit, the incoming line protection unit, the lightning protection device, the low-voltage reactive compensation unit, the outgoing line protection unit and the heat dissipation and dehumidification unit, is high in intelligent level, diversified in function and practical, and improves the reliability and safety performance of power supply.

Description

Technical Field

[0001] The utility model relates to the field of distribution boxes, and more specifically, to an intelligent integrated distribution box. Background Art

[0002] A distribution box is a device for centrally installing electrical equipment such as switches and meters, and is an essential power control device. Especially with the rapid development of urban power distribution networks, there are more and more new power distribution equipment. The power distribution equipment not only requires high electrical interface management functions, but also stable power supply safety performance. However, the existing distribution boxes in operation do not have the function of sensing various electrical parameters, let alone functions such as environmental sensing. The functions of the distribution box are single, resulting in low reliability of power supply. Therefore, an intelligent integrated distribution box is needed today to achieve comprehensive and real-time observability and measurability of low-voltage distribution areas, and improve the reliability and safety performance of power supply. Summary of the Utility Model

[0003] In view of the above-mentioned defects of the prior art, an intelligent integrated distribution box is provided.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an intelligent integrated distribution box, including a box body, an incoming line protection unit, a lightning protection device, a low-voltage reactive power compensation unit, an outgoing line protection unit, and an electric energy metering unit for collecting and analyzing electric energy data are arranged in the box body. The incoming line protection unit, the lightning protection device, and the low-voltage reactive power compensation unit are all electrically connected to the electric energy metering unit. The incoming line protection unit is electrically connected to the outgoing line protection unit, and a heat dissipation and dehumidification unit is also arranged in the box body.

[0005] Preferably, the electric energy metering unit includes a metering junction box, an intelligent electric energy meter, a transformer collection terminal, and a current transformer. The current transformer is electrically connected to the intelligent electric energy meter through the metering junction box. The intelligent electric energy meter is electrically connected to the transformer collection terminal, and the transformer collection terminal is electrically connected to the incoming line protection unit, the lightning protection device, and the low-voltage reactive power compensation unit.

[0006] Preferably, the low-voltage reactive power compensation unit includes a disconnector and an intelligent power capacitor that are electrically connected to each other. The disconnector is electrically connected to the electric energy metering unit.

[0007] Preferably, the outgoing line protection unit includes three shunt molded case leakage circuit breakers. The incoming line protection unit is electrically connected to the three molded case leakage circuit breakers.

[0008] Preferably, the lightning protection device includes a backup protector and a lightning arrester that are electrically connected to each other. The backup protector is electrically connected to the electric energy metering unit.

[0009] Preferably, a partition is provided inside the box body to divide the box body into a first box body and a second box body. The first box body and the second box body are arranged left and right. Mounting plates are provided in both the first box body and the second box body. The electric energy metering unit is arranged on the mounting plate in the first box body, and the incoming line protection unit, the lightning protection device, the heat dissipation and dehumidification unit, the low-voltage reactive power compensation unit and the outgoing line protection unit are all arranged on the mounting plate in the second box body.

[0010] Preferably, the heat dissipation and dehumidification unit includes a temperature and humidity controller, a heater, a fan and a rainproof cover. An installation through hole is provided on the side wall of the box body. The fan is installed in the installation through hole. The rainproof cover is arranged on the outer side wall of the box body and covers the fan. An opening is provided at the bottom end of the rainproof cover. The heater and the humidity controller are both arranged on the mounting plate. The heater and the fan are both electrically connected to the temperature and humidity controller.

[0011] Preferably, the two mounting plates are vertically and correspondingly arranged in the first box body and the second box body. The two mounting plates both extend in the left-right direction. The two mounting plates are correspondingly located at the middle positions in the front-back direction of the first box body and the second box body. The electric energy metering unit, the incoming line protection unit, the lightning protection device, the low-voltage reactive power compensation unit, the outgoing line protection unit, the temperature and humidity controller and the heater are all arranged on the front side surfaces of the corresponding mounting plates. The heater is arranged on the rear side surface of the corresponding mounting plate.

[0012] Preferably, first box doors are provided on both the front and rear sides of the box body in the first box body. Lead seal studs are provided between the first box doors and the first box body. Second box doors are provided on both the front and rear sides of the box body in the second box body. An observation window for observing the electric energy metering unit is provided on the first box door on the front side of the first box body.

[0013] Preferably, the incoming line protection unit is a molded case circuit breaker.

[0014] The beneficial effects of the present utility model are as follows: This distribution box integrates an electric energy metering unit, an incoming line protection unit, a lightning protection device, a low-voltage reactive power compensation unit, an outgoing line protection unit, and a heat dissipation and dehumidification unit. The electric energy metering unit collects various types of data in real time and analyzes the operating status of the distribution box locally to achieve real-time monitoring, fault judgment, fault prediction, and operating status analysis of the distribution box, etc. The incoming line protection unit cuts off the power supply during the maintenance and repair of the distribution box, and at the same time, when the distribution box is overloaded or short-circuited, it cuts off the power supply to achieve the function of protecting the distribution box. The lightning protection device effectively prevents the distribution box from being damaged caused by lightning overvoltage and switching overvoltage. The low-voltage reactive power compensation unit can optimize the voltage and improve the power factor of electricity consumption. The outgoing line protection unit switches off when the distribution box is overloaded, short-circuited, or has a phase break to protect the safety of the user's electrical equipment. The heat dissipation and dehumidification unit dissipates heat and dehumidifies the distribution box, improving the service life and working efficiency of the electrical components inside the distribution box. This distribution box has a high level of intelligence, diverse and practical functions, and improves the reliability and safety performance of power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the internal front structure of an embodiment of the present utility model;

[0016] Figure 2 is a schematic diagram of the front structure of an embodiment of the present utility model;

[0017] Figure 3 is a schematic diagram of the internal reverse structure of an embodiment of the present utility model;

[0018] Figure 4 is a schematic diagram of the side structure of an embodiment of the present utility model.

[0019] Reference numerals: 1 box body, 10 partition board, 11 mounting plate, 2 incoming line protection unit, 3 lightning protection device, 30 backup protector, 31 lightning arrester, 4 low-voltage reactive power compensation unit, 40 disconnecting switch, 41 intelligent power capacitor, 5 outgoing line protection unit, 50 molded case leakage circuit breaker, 6 electric energy metering unit, 60 metering junction box, 61 intelligent electric energy meter, 62 transformer collection terminal, 63 current transformer, 7 heat dissipation and dehumidification unit, 70 temperature and humidity controller, 71 heater, 72 fan, 73 rain shield, 8 first box door, 80 lead seal stud, 81 observation window, 9 second box door. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be clearly and completely described in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, rather than all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the utility model. In addition, the directional terms mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", etc., are only referenced to the directions of the attached diagrams. The directional terms used are for better and clearer explanation and understanding of the utility model, rather than indicating or implying the orientation that the utility model must have, and therefore cannot be understood as a limitation on the utility model.

[0021] The utility model is implemented as follows Figures 1 to 4 As shown in, an intelligent integrated distribution box includes a box body 1, in which an incoming line protection unit 2, a lightning protection device 3, a low-voltage reactive power compensation unit 4, an outgoing line protection unit 5 and an electric energy metering unit 6 for collecting and analyzing electric energy data are arranged, the incoming line protection unit 2, the lightning protection device 3 and the low-voltage reactive power compensation unit 4 are all electrically connected to the electric energy metering unit 6, the incoming line protection unit 2 is electrically connected to the outgoing line protection unit 5, and a heat dissipation and dehumidification unit 7 is also arranged in the box body 1. The distribution box integrates the electric energy metering unit 6, the incoming line protection unit 2, the lightning protection device 3, the low-voltage reactive power compensation unit 4, the outgoing line protection unit 5 and the heat dissipation and dehumidification unit 7, the electric energy metering unit 6 collects various types of data in real time, and analyzes the operating status of the distribution box on the spot, In order to realize real-time monitoring, fault analysis, fault prediction and operation status analysis of the distribution box, the incoming line protection unit 2 disconnects the power supply when the distribution box is maintained and overhauled, and disconnects the power supply to protect the distribution box when the distribution box is overloaded or short-circuited. The lightning protection device 3 effectively prevents the distribution box from being damaged by lightning overvoltage and operation overvoltage. The low-voltage reactive power compensation unit 4 can optimize the voltage and improve the power factor of electricity consumption. The outgoing line protection unit 5 disconnects the switch when the distribution box is overloaded, short-circuited, or phase-failed to protect the safety of the user's electrical equipment. The heat dissipation and dehumidification unit 7 dissipates heat and dehumidifies the distribution box, thereby improving the service life and working efficiency of the electrical components in the distribution box. The distribution box has a high level of intelligence, diverse functions and practicality, and improves the reliability of power supply.

[0022] Further improvements such as Figure 1 and Figure 3As shown in the figure, a partition 10 is provided in the box body 1 to divide the inside of the box body 1 into a first box body and a second box body. The first box body and the second box body are arranged side by side left and right. Installation plates 11 are provided in both the first box body and the second box body. The two installation plates 11 are vertically and correspondingly arranged in the first box body and the second box body. The two installation plates 11 extend in the left-right direction. The two installation plates 11 are respectively located at the middle positions in the front-back direction of the first box body and the second box body. The electric energy metering unit 6 is arranged on the installation plate 11 in the first box body. The incoming line protection unit 5, the lightning protection device 3, the heat dissipation and dehumidification unit 7, the low-voltage reactive power compensation unit 4 and the outgoing line protection unit 5 are all arranged on the installation plate 11 in the second box body.

[0023] For further improvement, as Figure 1 and Figure 3 shown in the figure, the electric energy metering unit 6 includes a metering junction box 60, an intelligent electric energy meter 61, a distribution transformer acquisition terminal 62 and current transformers 63. Three copper busbars are provided on the front side of the installation plate 11 in the first box body and are equally spaced in the left-right direction at the upper part of the installation plate 11. There are three current transformers 63, and the three current transformers 63 are correspondingly arranged on the three copper busbars. The three copper busbars are connected to the wires outside. The intelligent electric energy meter 61 and the distribution transformer acquisition terminal 62 are installed on the installation plate 11 at positions below the three current transformers 63. The intelligent electric energy meter 61 and the distribution transformer acquisition terminal 62 are spaced apart in the left-right direction. The intelligent electric energy meter 61 is located on the left side of the distribution transformer acquisition terminal 62. The metering junction box 60 is installed on the installation plate 11 at a position below the intelligent electric energy meter. The current transformers 63 are electrically connected to the intelligent electric energy meter 61 through the metering junction box 60. The intelligent electric energy meter 61 is electrically connected to the distribution transformer acquisition terminal 62. The distribution transformer acquisition terminal 62 is electrically connected to the incoming line protection unit 5, the lightning protection device 3 and the low-voltage reactive power compensation unit 4.

[0024] For further improvement, as Figure 1 and Figure 3As shown in the figure, the low-voltage reactive power compensation unit 4 is located on the right side of the mounting plate 11 in the second box body. The low-voltage reactive power compensation unit 4 includes a disconnector 40 and an intelligent power capacitor 41 that are electrically connected to each other. The disconnector 40 is located above the intelligent power capacitor 41. The disconnector 40 is electrically connected to the distribution transformer acquisition terminal 62 of the electric energy metering unit 6. The outgoing line protection unit 5 is located at the lower left part of the mounting plate 11 in the second box body. The outgoing line protection unit 5 includes three shunt molded case leakage circuit breakers 50, and the three molded case leakage circuit breakers 50 are arranged at equal intervals in the left-right direction. The incoming line protection unit 2 is electrically connected to the three molded case leakage circuit breakers 50, and leakage protection can also be carried out through the molded case leakage circuit breakers 50 to prevent the distribution box from leaking electricity and affecting the equipment used by users and the safety of users. The lightning protection device 3 and the incoming line protection unit 2 are located at the upper left part of the mounting plate 11 in the second box body. The lightning protection device 3 is located on the right side of the incoming line protection unit 2. The lightning protection device 3 includes a backup protector 30 and a lightning arrester 31 that are electrically connected to each other. The backup protector 30 is located above the lightning arrester 31. The backup protector 30 is electrically connected to the electric energy metering unit 6. The incoming line protection unit 2 is a molded case circuit breaker.

[0025] Further improvement, as Figure 1 and Figure 3 As shown in the figure, the heat dissipation and dehumidification unit 7 includes a temperature and humidity controller 70, a heater 71, a fan 72 and a rain shield 73. An installation through hole is provided on the right side wall of the box body 1, and the installation through hole is located near the top end of the box body 1. The fan 72 is installed in the installation through hole. The rain shield 73 is provided on the right outer side wall of the box body 1, and the rain shield 73 covers the fan 72. An opening is provided at the bottom end of the rain shield 73. The fan 72 discharges the heat in the distribution box from the opening of the rain shield 73, and the rain shield 73 prevents rainwater from entering the distribution box through the fan 72. The heater 71 and the humidity controller 70 are both provided on the mounting plate 11. The heater 71 and the fan 72 are both electrically connected to the temperature and humidity controller 70. The electric energy metering unit 6, the incoming line protection unit 2, the lightning protection device 3, the low-voltage reactive power compensation unit 4, the outgoing line protection unit 5, the temperature and humidity controller 70 and the heater 71 are all provided on the front side of the corresponding mounting plate 11. The heater 71 is provided on the rear side of the corresponding mounting plate 11. A protection plate is provided on the rear side of the mounting plate 11 in the second box body at the lower right side, and the heater 71 is installed on the protection plate. The heater 71 is provided at the rear side of the mounting plate 11, and at the same time, the protection plate isolates the heat of the heater 71 and reduces the influence of the heat generated by the heater 71 on other electrical components.

[0026] Further improvement, as Figure 2 and Figure 4As shown, on the front and back sides of the first box body of the box body 1, there are first box doors 8 provided. Between the first box doors 8 and the first box body, there are lead seal studs 80 provided. There are two lead seal studs 80, and lead sealing is carried out through the lead seal studs 80, which is managed by the power supply bureau for lead sealing. On the front and back sides of the second box body of the box body 1, there are second box doors 9 provided. On the first box door 8 on the front side of the first box body, there is an observation window 81 for observing the electric energy metering unit 6. The observation window 81 facilitates observing the situation of the electric energy metering unit 6 in the first box body.

[0027] It should be understood that for those of ordinary skill in the art, improvements or transformations can be made according to the above description, and all such improvements and transformations should fall within the protection scope of the appended claims of the present utility model.

Claims

1. An intelligent integrated distribution box, comprising a box body; characterized in that: The box is provided with an incoming line protection unit, a lightning protection device, a low-voltage reactive power compensation unit, an outgoing line protection unit and an electric energy metering unit for collecting and analyzing electric energy data; the incoming line protection unit, the lightning protection device and the low-voltage reactive power compensation unit are all electrically connected to the electric energy metering unit; the incoming line protection unit is electrically connected to the outgoing line protection unit; and the box is also provided with a heat dissipation and dehumidification unit.

2. The intelligent integrated distribution box according to claim 1, characterized in that: The electric energy metering unit includes a metering junction box, an intelligent electric energy meter, a distribution transformer acquisition terminal and a current transformer; the current transformer is electrically connected to the intelligent electric energy meter through the metering junction box; the intelligent electric energy meter is electrically connected to the distribution transformer acquisition terminal; the distribution transformer acquisition terminal is electrically connected to the incoming line protection unit, the lightning protection device and the low-voltage reactive power compensation unit.

3. The intelligent integrated distribution box according to claim 1, characterized in that: The low-voltage reactive power compensation unit comprises an isolating switch and an intelligent power capacitor which are electrically connected to each other; the isolating switch is electrically connected to an electric energy metering unit.

4. The intelligent integrated distribution box according to claim 1, characterized in that: The outgoing line protection unit includes three molded case leakage circuit breakers connected in parallel; the incoming line protection unit is electrically connected to the three molded case leakage circuit breakers.

5. The intelligent integrated distribution box according to claim 1, characterized in that: The lightning protection device comprises a backup protector and a lightning arrester which are electrically connected to each other; the backup protector is electrically connected to an electric energy metering unit.

6. The intelligent integrated distribution box according to claim 1, characterized in that: The box body is provided with a partition that divides the box body into a first box body and a second box body; the first box body and the second box body are arranged left and right; mounting plates are provided in both the first box body and the second box body; the electric energy metering unit is provided on the mounting plate in the first box body; the incoming line protection unit, the lightning protection device, the heat dissipation and dehumidification unit, the low-voltage reactive power compensation unit and the outgoing line protection unit are all provided on the mounting plate in the second box body.

7. The intelligent integrated distribution box according to claim 6, characterized in that: The heat dissipation and dehumidification unit includes a temperature and humidity controller, a heater, a fan and a rain cover; a mounting through hole is provided on the side wall of the box; the fan is installed in the mounting through hole; the rain cover is arranged on the outer side wall of the box; the rain cover is arranged on the fan; an opening is provided at the bottom end of the rain cover; the heater and the humidity controller are both arranged on a mounting plate; the heater and the fan are both electrically connected to the temperature and humidity controller.

8. The intelligent integrated distribution box according to claim 7, characterized in that: The two mounting plates are vertically arranged in the first box and the second box respectively; the two mounting plates extend in the left and right directions; the two mounting plates are correspondingly located in the middle position of the front-to-back direction of the first box and the middle position of the front-to-back direction of the second box; the electric energy metering unit, the incoming line protection unit, the lightning protection device, the low-voltage reactive power compensation unit, the outgoing line protection unit, the temperature and humidity controller and the heater are all arranged on the front side of the corresponding mounting plate; the heater is arranged on the rear side of the corresponding mounting plate.

9. The intelligent integrated distribution box according to claim 8, characterized in that: The box body is provided with a first box door on both the front and rear sides of the first box body; a lead sealing stud is provided between the first box door and the first box body; the box body is provided with a second box door on both the front and rear sides of the second box body; an observation window for observing the electric energy metering unit is provided on the first box door on the front side of the first box body.

10. The intelligent integrated distribution box according to claim 1, characterized in that: The incoming line protection unit is a molded case circuit breaker.

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