CN113241620B - An outdoor ring network cabinet - Google Patents

Abstract

The invention belongs to the technical field of electrical equipment, and discloses an outdoor ring network cabinet, which includes a cabinet body and a power box arranged in the cabinet body. The inner cavity of the box body of the power box includes an upper chamber and a lower chamber. The first chamber and the second chamber are arranged, the power supply module is arranged in the lower chamber, the monitoring module is arranged in the first chamber of the upper chamber, the terminal block and the circuit breaker are arranged side by side in the second chamber, and the box body includes the main Box, front panel and upper cover. The front panel is rotatably connected to the main box. By turning the front panel, the box can be opened to view the power supply module and the monitoring module above the power supply module. The upper cover is detachably connected to the top of the main box. After removing the upper cover, you can view the monitoring module, terminal block and circuit breaker in the upper chamber, so that you can check and repair the various components in the power box regularly. The power box has a reasonable structure and can make full use of its internal space. The power box is arranged inside the cabinet, which reduces the occupied area.

Description

An outdoor ring network cabinet

technical field

The invention relates to the technical field of electrical equipment, in particular to an outdoor ring network cabinet.

Background technique

The outdoor ring network cabinet is a device that integrates multiple functions of measurement, control, protection and communication, and is set up with the high-voltage power distribution cabinet of the distribution network terminal. The outdoor ring network cabinet is equipped with a monitoring unit, an acquisition unit and a communication unit. Combining with the distribution network parameters, the distribution network automation can be realized, thereby eliminating the traditional ammeter, voltmeter, power meter, frequency meter, watt-hour meter, etc., and improving the intelligence of the power grid.

In order to ensure the normal operation of the outdoor ring network cabinet, it is necessary to provide sufficient and reliable power for it. At present, a distribution network power cabinet is usually installed side by side with the outdoor ring network cabinet, and a power box is installed inside the distribution network power cabinet, which can supply power for the outdoor ring network cabinet. However, the setting of distribution network power cabinets leads to an increase in the overall footprint of distribution network automation equipment, which cannot make full use of land resources.

In addition, the electrical components such as batteries and monitoring units in the existing power box are arranged vertically in sequence, and the operation status of each electrical component can be checked by opening the cabinet door, so as to perform regular maintenance on each electrical component. However, this arrangement causes the power box The overall height-to-width ratio is large, and the actual internal application space is small, resulting in waste of materials.

Contents of the invention

The object of the present invention is to provide an outdoor ring network cabinet, which can reduce the overall footprint of distribution network automation equipment, and the internal power supply box has a reasonable structure and occupies less space.

For reaching this purpose, the present invention adopts following technical scheme:

An outdoor ring network cabinet, comprising a cabinet body and a power supply box arranged in the cabinet, the power supply box comprising:

The box body includes a main box, a front panel and an upper cover, the front panel is rotatably connected to the main box, the upper cover is detachably connected to the upper port of the main box, and the inside of the box the chamber includes an upper chamber and a lower chamber, the upper chamber including a first chamber and a second chamber arranged side by side;

a power supply module, arranged in the lower chamber, including a storage battery and a charging unit;

A monitoring module, set in the first chamber, the monitoring module is used to control the charging unit to charge the storage battery;

A terminal block and a circuit breaker are arranged side by side in the second chamber, the battery is electrically connected to the electrical components in the cabinet through the terminal block, and the circuit breaker is used to control the on-off of the circuit in the power supply box .

As a preferred solution of the outdoor ring network cabinet provided by the present invention, the monitoring module includes a control panel, the front panel is provided with an installation opening, and the control panel is embedded in the installation opening.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, the second chamber is located on the side of the first chamber away from the front panel, the main box includes a rear panel, the terminal block and the Circuit breakers are all fixed on the rear panel.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, it also includes a contactor, the contactor is located in the second chamber, and is arranged side by side with the circuit breaker, and the contactor is electrically connected to the circuit breaker , to eliminate the arc generated when the circuit breaker is opened and closed.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, the storage battery includes a main battery and a backup battery. When the main battery fails, the monitoring module controls the backup battery to supply power to the electrical components in the cabinet.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, it also includes a rectification module, one port of the rectification module is electrically connected to the storage battery, so as to convert the alternating current output by the storage battery into direct current, and the other of the rectification module A port protrudes from the front panel and is electrically connected to the DC power distribution element in the cabinet.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, it also includes connectors, a mounting plate is arranged in the cabinet, the mounting plate is arranged at intervals from the rear panel, and the opposite sides of the rear panel are respectively provided with The first lug plate and the second lug plate are both connected to the mounting plate through the connecting piece.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, the connecting member includes a first plate, and the opposite sides of the first plate are provided with second plates in parallel, and the second plate and the first plate Connected by the third board, the first board is connected to the installation board, the second board on one side of the first board is connected to the first lug board, and the second board on the other side of the first board It is connected with the second lug plate, so that a gap is formed between the rear panel and the installation plate.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, a plurality of horizontal strip-shaped holes and a plurality of vertical strip-shaped holes are provided on the first ear plate and the second ear plate, and the horizontal strip-shaped The holes and the vertical strip holes are vertically arranged alternately, and the second plate is provided with a first connection hole, and the first connection hole can be selectively connected with any horizontal strip hole or any vertical strip hole. Bar holes correspond to fits.

As a preferred solution of the outdoor ring network cabinet provided by the present invention, it also includes a diagnostic module and an alarm module, the diagnostic module can diagnose the circuit fault of the power box, and transmit a signal to the alarm module to trigger the alarm module Alert.

Beneficial effects of the present invention:

The invention provides an outdoor ring network cabinet, which includes a cabinet body and a power supply box arranged in the cabinet body. It includes an upper chamber and a lower chamber, and the upper chamber includes a first chamber and a second chamber arranged side by side. The power supply module is set in the lower chamber, including the battery and the charging unit, and the monitoring module is set in the first chamber of the upper chamber, which is used to control the charging unit to charge the battery, so that the battery maintains sufficient power and maintains the normal operation of the power box , The terminal block and the circuit breaker are arranged side by side in the second chamber. The battery is electrically connected to the electrical components in the cabinet through the terminal block to supply power. The circuit breaker can control the on-off of the circuit in the power box to ensure the safety of the power box. The box body includes a main box, a front panel and an upper cover. The front panel is rotatably connected to the main box. The box can be opened by turning the front panel to view the power supply module and the monitoring module above the power supply module. The upper cover is detachably connected to the The upper port of the main box, after removing the upper cover, you can view the monitoring module, terminal block and circuit breaker in the upper chamber, so that you can check the various components in the power box regularly. The structure of the power box and the arrangement of the various parts are reasonable, so that the power box has a suitable aspect ratio, and the inner space of the power box can be fully utilized. In addition, setting the power box inside the cabinet instead of separately setting the distribution network power cabinet side by side with the cabinet outside the cabinet can effectively reduce the occupied area and save land resources.

Description of drawings

Fig. 1 is a schematic structural view of a power supply box and connectors provided by a specific embodiment of the present invention;

Fig. 2 is the front view of the power box provided by the specific embodiment of the present invention;

Fig. 3 is the rear view of the power box provided by the specific embodiment of the present invention;

Fig. 4 is a schematic structural view of the bottom plate of the power supply box provided by the specific embodiment of the present invention;

Fig. 5 is a schematic structural view of a side panel of a power supply box provided by a specific embodiment of the present invention;

Fig. 6 is a schematic diagram of the installation of the storage battery of the power supply box provided by the specific embodiment of the present invention.

In the picture:

1-box; 2-power supply module; 3-monitoring module; 4-terminal block; 5-circuit breaker; 6-contactor; 7-rectifier module; 8-connector;

11-main box; 12-front panel; 13-top cover; 14-first ear plate; 15-second ear plate; 16-radiation port;

111-rear panel; 112-side panel; 113-bottom plate; 1121-side plate hole; 1131-second positioning hole; 1132-bottom plate hole;

141-horizontal strip hole; 142-vertical strip hole;

21-battery; 211-main battery; 212-backup battery;

31 - control panel;

81-the first board; 82-the second board; 83-the third board; 811-the second connection hole; 821-the first connection hole;

91 - bracket; 92 - strap; 911 - first positioning hole.

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

Embodiment one

As shown in FIGS. 1 to 3 , this embodiment provides an outdoor ring network cabinet, which is used in conjunction with a high-voltage power distribution cabinet to realize distribution network automation. The outdoor ring network cabinet includes a cabinet body and a power box arranged in the cabinet body, and the power box includes a box body 1 and a power supply module 2 , a monitoring module 3 , a terminal block 4 and a circuit breaker 5 arranged in the box body 1 .

The inner cavity of the box body 1 includes an upper chamber and a lower chamber, and the upper chamber includes a first chamber and a second chamber arranged side by side. The power supply module 2 is arranged in the lower chamber, and includes a storage battery 21 and a charging unit. The monitoring module 3 is arranged in the first chamber of the upper chamber, and is used for controlling the charging unit to charge the battery 21, so that the battery 21 maintains sufficient power and maintains the normal operation of the power box. The terminal block 4 and the circuit breaker 5 are arranged side by side in the second chamber. The storage battery 21 is electrically connected to the electrical components in the cabinet through the terminal block 4 to supply power, and the circuit breaker 5 can control the on-off of the circuit in the power box to ensure the safe operation of the power box. The box body 1 includes a main box 11 , a front panel 12 and an upper cover 13 . The front panel 12 is rotatably connected to the main box 11 , and the box body 1 can be opened by turning the front panel 12 to view the power supply module 2 and the monitoring module 3 above the power supply module 2 . The upper cover plate 13 is detachably connected to the upper port of the main box 11. After the upper cover plate 13 is disassembled, the monitoring module 3, the terminal block 4 and the circuit breaker 5 of the upper chamber can be checked, so as to regularly overhaul the various components in the power box. The structure of the power box and the layout of the various parts are reasonable, so that the power box has a suitable aspect ratio, and the inner space of the power box can be fully utilized. In addition, setting the power box inside the cabinet instead of separately setting the distribution network power cabinet side by side with the cabinet outside the cabinet can effectively reduce the occupied area and save land resources.

In this embodiment, the monitoring module 3 not only can control the charging unit to charge the storage battery 21, but also has a charging management function. Specifically, the monitoring module 3 includes a charging current limiting unit and an output current limiting unit. Correspondingly, the power supply box is also equipped with a detection module. When the detection module detects that the current in the circuit exceeds a certain threshold, it sends a signal to the charging current limiting unit, so that the charging current limiting unit controls the charging unit to stop charging the battery 21 . When the detection module detects that the current in the circuit is lower than a certain threshold, it sends a signal to the charging current limiting unit, so that the charging current limiting unit controls the charging unit to start charging the storage battery 21 . By setting the electrical current limiting unit and the output current limiting unit, the battery 21 can be prevented from being overcharged and overdischarged, and the service life of the battery 21 can be prolonged.

Further, the monitoring module 3 can control the charging unit to automatically perform constant-current-limited-voltage charging→constant-voltage charging→floating charging for the storage battery 21 . Preferably, the battery 21 is a balanced battery pack, and the monitoring module 3 can control the charging unit to periodically charge the battery 21 to ensure that the battery has a rated capacity at any time, and the state of balanced charging and floating charging can be switched manually.

Optionally, referring to FIG. 1 and FIG. 2 , the monitoring module 3 includes a control panel 31 , the front panel 12 is provided with an installation opening, and the control panel 31 is embedded in the installation opening. Setting the control panel 31 on the front panel 12 can facilitate maintenance personnel to operate the buttons on the control panel 31 to manually control the charging unit to charge the storage battery 21 and switch the charging state, so that the monitoring module 3 has both automatic and manual control functions. More versatility.

In this embodiment, the first chamber is close to the front panel 12 , and the second chamber is located on a side of the first chamber away from the front panel 12 . The main box 11 includes a rear panel 111, on which the terminal block 4 and the circuit breaker 5 are fixed, so that the monitoring module 3, terminal block 4 and circuit breaker 5 in the upper chamber are arranged reasonably, and the power supply box is fully utilized the space inside.

Further, a contactor 6 is also arranged in the power supply box. The contactor 6 is located in the second chamber and arranged side by side with the circuit breaker 5 . That is, in the second chamber, the terminal block 4 , the circuit breaker 5 and the contactor 6 are arranged in sequence (see FIG. 3 ). The contactor 6 is electrically connected with the circuit breaker 5 to eliminate the arc generated when the circuit breaker 5 is opened and closed, and avoid gas discharge phenomenon.

When installing the power supply box, first fix the main box 11 of the power supply box in the cabinet of the outdoor ring network cabinet, then place the power supply module 2 in the lower chamber, then set the monitoring module 3 above the power supply module 2, and arrange the terminal blocks in sequence 4. Circuit breaker 5 and contactor 6. After all components in the power supply box are installed, cover the cover plate 13 and rotate the front panel 12 to the main box 11 to form a closed box body 1 . During maintenance, only need to turn the front panel 12 or open the upper cover 13 to check the operation status of the internal components.

Referring to FIG. 6 , optionally, the storage battery 21 includes a main battery 211 and a backup battery 212 . When the main battery 211 fails, the monitoring module 3 can control the backup battery 212 to supply power to the electrical components in the cabinet, so as to ensure that the power supply box can continuously supply power to the electrical components in the cabinet and ensure the normal operation of distribution network automation. Exemplarily, when the main battery 211 is suddenly damaged and causes a power outage, the monitoring module 3 can automatically control and activate the backup battery 212 to continue to supply power to electrical components, thereby realizing the function of automatic power failure recovery.

Optionally, referring to FIG. 1 and FIG. 2 , a rectification module 7 is connected to the main battery 211 and the backup battery 212 . One port of the rectifier module 7 is electrically connected to the corresponding main battery 211 or backup battery 212, so as to convert the alternating current output by the main battery 211 or the backup battery 212 into direct current, and the other port extends out of the front panel 12 and is connected to the DC power distribution in the cabinet. The components are electrically connected. Connecting the rectifier module 7 to the storage battery 21 can enable the power box to have the functions of AC input power supply and DC input power supply at the same time, thereby being able to supply power for AC power distribution equipment and DC power distribution equipment, and expanding the application scenarios of the power box.

Preferably, an insulation monitoring module is also arranged in the power supply box. The insulation monitoring module can quickly locate the location of the ground fault of the DC power distribution equipment, and improve the fault handling speed. The insulation monitoring module is a prior art, and will not be repeated here.

Referring to FIG. 1 , a mounting plate is arranged in the cabinet, the power supply box is fixed on the mounting plate through a connector 8 , and the mounting plate and the rear panel 111 are spaced apart for heat dissipation. A first lug plate 14 and a second lug plate 15 are respectively provided on opposite sides of the rear panel 111 , and both the first lug plate 14 and the second lug plate 15 are connected to the mounting plate through the connecting piece 8 . Since the rear panel 111 is provided with a heat dissipation port 16, the rear panel 111 and the mounting plate are spaced apart during installation, which can prevent the mounting plate from interfering with the heat dissipation at the position of the rear panel 111, ensure a suitable working environment for the power box, and reduce safety risks.

Continuing to refer to FIG. 1 , the connector 8 includes a first plate 81 . Two opposite sides of the first plate 81 are parallel to the second plate 82 , and the second plate 82 is connected to the first plate 81 through the third plate 83 . The first plate 81 is connected to the mounting plate, the second plate 82 on one side of the first plate 81 is connected to the first ear plate 14, and the second plate 82 on the other side of the first plate 81 is connected to the second ear plate 15, so as to The power box is fixed on the mounting plate, and a gap is formed between the rear panel 111 and the mounting plate to ensure a good heat dissipation effect.

Optionally, both the second plate 82 and the first ear plate 14, and the second plate 82 and the second ear plate 15 are connected and fixed by fastening bolts and stop nuts, which are convenient for installation and disassembly.

Referring to FIG. 2 and FIG. 3 , a plurality of horizontal strip-shaped holes 141 and a plurality of vertical strip-shaped holes 142 are provided on the first ear plate 14 and the second ear plate 15 . The horizontal strip-shaped holes 141 and the vertical strip-shaped holes 142 are alternately arranged vertically. The second board 82 is provided with a first connection hole 821 . During installation, fastening bolts are used to pass through the first connecting hole 821 , and optionally pass through any horizontal strip hole 141 or any vertical strip hole 142 to be screwed with the stop nut. By arranging the horizontal strip hole 141 and the vertical strip hole 142, the connectable range on the first lug plate 14 and the second lug plate 15 can be expanded horizontally and vertically, so that the fastening bolt can be aligned with the horizontal strip smoothly. Shaped hole 141 or vertical strip hole 142.

In this embodiment, there are multiple connectors 8 . The first ear plate 14 and the second ear plate 15 are installed on the mounting plate in the cabinet through the connector 8, so as to ensure the firmness and reliability of the power supply box.

Referring to FIG. 1 , FIG. 4 and FIG. 5 , the main box 11 further includes a side panel 112 and a bottom panel 113 . The upper cover plate 13 , the side panel 112 and the bottom plate 113 are also provided with vents 16 to speed up the heat dissipation in the power supply box.

Referring to FIG. 4 and FIG. 5 , the bottom plate 113 is provided with a bottom plate wire passing hole 1132 , and the side plate 112 is provided with a side plate wire passing hole 1121 . Both the wire passing hole 1132 on the bottom plate and the wire passing hole 1121 on the side plate are disposed near the terminal block 4 so as to lead out or lead in wires from the terminal block 4 .

Referring to FIG. 6 , a bracket 91 is also provided on the bottom plate 113 for accommodating the battery 21 . Specifically, the bracket 91 is provided with a first positioning hole 911 , and the bottom plate 113 is provided with a second positioning hole 1131 . When installing, align the first positioning hole 911 with the second positioning hole 1131, and connect and fix it by fastening bolts. A battery slot is also provided on the bracket 91 , and the main battery 211 and the backup battery 212 are embedded side by side in the battery slot to avoid shaking of the two. After the main battery 211 and the spare battery 212 are embedded in the battery slot, they are fixed with straps 92 . One end of the strap 92 is connected to one side of the bracket 91, after bypassing the tops of the main battery 211 and the spare battery 212, the other end of the strap 92 is connected to the other side of the bracket 91, so that the main battery 211 And backup battery 212 is firmly and stably installed in the power supply box.

In this embodiment, the power box further includes a diagnosis module and an alarm module. The diagnostic module can diagnose the circuit fault of the power box, and send a signal to the alarm module to trigger the alarm module to send an alarm, thereby reminding the maintenance personnel to find and deal with the fault location in time, so as to ensure the safe and reliable operation of the power box. The alarm module may include a warning light (set outside the cabinet) and a warning bell to remind the maintenance personnel to deal with the fault through vision and sound.

Optionally, a lightning protector is also provided in the power box to protect components inside the power box from being damaged by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage, so as to ensure the safety of the power box.

Embodiment two

This embodiment provides an outdoor ring network cabinet, which is different from Embodiment 1 in that: a communication module and a remote control module are also provided on the power supply box. The communication module includes a communication interface and a network interface. When the diagnostic module automatically diagnoses a circuit fault or an abnormal operating state, it can send a signal to the communication interface. After the communication interface receives the fault signal, it transmits it to the background of the distribution network automation system in the form of hard contacts and messages through the network interface. The information obtained from the background is used to notify the maintenance personnel to go to the fault location, and the maintenance personnel then lock the faulty outdoor ring network cabinet through the warning lights and warning bells, and open the cabinet door to repair the internal power box.

Further, the maintenance personnel can send instructions to the monitoring module 3 of the power box through the remote control module to control the charging state of the storage battery 21 to ensure that the storage battery 21 will not be overcharged or over-discharged while ensuring that the storage battery 21 always has sufficient capacity , to continuously and reliably supply power to the electrical components in the cabinet. By setting the remote control module, it is possible to quickly send instructions to the power box without rushing to the scene, which improves the level of intelligent management.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. Various obvious changes, readjustments, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (6)

1. The utility model provides an outdoor looped netowrk cabinet, its characterized in that, including the cabinet body and set up in the internal power supply box of cabinet, the power supply box includes:

the box body (1) comprises a main box (11), a front panel (12) and an upper cover plate (13), wherein the front panel (12) is rotatably connected to the main box (11), the upper cover plate (13) is detachably connected to an upper port of the main box (11), an inner cavity of the box body (1) comprises an upper cavity and a lower cavity, and the upper cavity comprises a first cavity and a second cavity which are arranged side by side;

the power supply module (2) is arranged in the lower chamber and comprises a storage battery (21) and a charging unit;

the monitoring module (3) is arranged in the first chamber, and the monitoring module (3) is used for controlling the charging unit to charge the storage battery (21);

the terminal strip (4) and the circuit breaker (5) are arranged in the second chamber side by side, the storage battery (21) is electrically connected with the electric elements in the cabinet body through the terminal strip (4), and the circuit breaker (5) is used for controlling the on-off of the circuit in the power supply box;

the second chamber is positioned on one side of the first chamber far away from the front panel (12), the main box (11) comprises a rear panel (111), and the terminal block (4) and the circuit breaker (5) are fixed on the rear panel (111); the rear panel (111) is provided with a heat dissipation port (16);

the refrigerator is characterized by further comprising a connecting piece (8), wherein a mounting plate is arranged in the cabinet body and is arranged at an interval with the rear panel (111), a first lug plate (14) and a second lug plate (15) are respectively arranged on two opposite sides of the rear panel (111), and the first lug plate (14) and the second lug plate (15) are connected with the mounting plate through the connecting piece (8);

the connecting piece (8) comprises a first plate (81), wherein second plates (82) are arranged on two opposite sides of the first plate (81) in parallel, the second plates (82) are connected with the first plate (81) through third plates (83), the first plate (81) is connected with the mounting plate, the second plate (82) on one side of the first plate (81) is connected with the first lug plate (14), and the second plate (82) on the other side of the first plate (81) is connected with the second lug plate (15), so that a gap is formed between the rear panel (111) and the mounting plate;

first otic placode (14) with all be provided with a plurality of horizontal bar hole (141) and a plurality of vertical bar hole (142) on second otic placode (15), horizontal bar hole (141) with vertical bar hole (142) set up along vertical in proper order in turn, be provided with first connecting hole (821) on second board (82), first connecting hole (821) correspond the cooperation with arbitrary horizontal bar hole (141) or arbitrary vertical bar hole (142).

2. An outdoor ring main unit as claimed in claim 1, wherein the monitoring module (3) comprises a control panel (31), the front panel (12) is provided with an installation opening, and the control panel (31) is embedded in the installation opening.

3. An outdoor ring main unit according to claim 1, characterized by further comprising a contactor (6), wherein said contactor (6) is located in said second chamber and is arranged side by side with said circuit breaker (5), said contactor (6) is electrically connected with said circuit breaker (5) to eliminate electric arc generated when said circuit breaker (5) is opened and closed.

4. An outdoor ring main unit as claimed in claim 1, wherein said accumulator (21) comprises a main battery (211) and a backup battery (212), and when said main battery (211) fails, said monitoring module (3) controls said backup battery (212) to supply power to the electric elements in said cabinet body.

5. The outdoor ring main unit as claimed in claim 1, further comprising a rectifier module (7), wherein one port of the rectifier module (7) is electrically connected to the storage battery (21) to convert the alternating current outputted from the storage battery (21) into direct current, and the other port of the rectifier module (7) extends out of the front panel (12) and is electrically connected to a direct current distribution element in the main unit.

6. The outdoor ring main unit as claimed in any one of claims 1 to 5, further comprising a diagnosis module and an alarm module, wherein the diagnosis module can diagnose the circuit fault of the power box and transmit a signal to the alarm module to trigger the alarm module to send out an alarm.

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