CN115548918A

CN115548918A - DTU distribution network automation ring main unit and use method thereof

Info

Publication number: CN115548918A
Application number: CN202211151989.7A
Authority: CN
Inventors: 殷新亮; 彭茜; 刘君南; 钱耀
Original assignee: Yuchao Electric Power Co ltd
Current assignee: Yuchao Electric Power Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-30
Anticipated expiration: 2042-09-21
Also published as: CN115548918B

Abstract

The invention discloses a DTU distribution network automatic ring main unit and a using method thereof, and belongs to the field of ring main units. The utility model provides a DTU distribution automation looped netowrk cabinet, includes the cabinet body and installs in the backup pad of cabinet body bottom, still includes: the mounting partition plate is connected to the top of the supporting plate and fixed on the inner wall of the cabinet body; the extension mechanism is arranged on the outer wall of the installation partition plate, the telescopic end of the extension mechanism is connected with an installation frame, electrical equipment is arranged on the outer wall of the installation frame, and the extension mechanism comprises a first connecting rod assembly and two groups of second connecting rod assemblies; the migration subassembly sets up in the backup pad bottom: the cooling assembly is arranged on one side of the mounting partition plate, which is far away from the epitaxial mechanism, the back and the two sides of the cabinet body are respectively provided with an air inlet and a heat dissipation port, and the air inlet and the heat dissipation port are matched with the cooling assembly; the cabinet can effectively solve the problems of inconvenience in maintenance and wiring operation due to narrow space in the cabinet body and dim illumination, and is convenient to carry, move and fix and good in cooling effect.

Description

DTU distribution network automation ring main unit and use method thereof

Technical Field

The invention relates to the technical field of ring main units, in particular to a DTU distribution network automation ring main unit and a using method thereof.

Background

A DTU (Data Transfer unit) is a wireless terminal device that is used exclusively for converting serial Data into IP Data or converting IP Data into serial Data and transmitting the serial Data through a wireless communication network. The DTU is widely applied to the industries of weather, hydrology, water conservancy, geology and the like; the ring main unit is a group of transmission and distribution electrical equipment, is installed in a metal or nonmetal insulating cabinet body or is made into electrical equipment of an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse.

Through the retrieval, the patent of publication number CN214337184U discloses a DTU distribution network automation looped netowrk cabinet, including the bottom plate, fixed mounting has the outer cabinet body in the middle of the top of bottom plate, fixed mounting has the backing plate in the middle of the inside of the outer cabinet body, the inside fixed mounting of backing plate has damping device, damping device's top fixed mounting has the interior cabinet body, the equal fixed mounting in inside both sides of the outer cabinet body has the dead lever. In the utility model, the motor rotates, so that the fixed rod moves outwards on the surface of the threaded rod, and the fixed block is driven to be separated from the inner cabinet body, thereby facilitating the maintenance of components inside the inner cabinet body; the device just pulls down equipment when being convenient for overhaul when using, nevertheless need not pull down the maintenance completely with equipment under most circumstances, and the dismouting operation that makes a round trip is complicated, damages equipment easily, and it is comparatively troublesome to want to remove cabinet body position after the installation, and the cooling effect is not ideal.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the internal facilities and lines of a ring main unit of DTU equipment are more complex, a common ring main unit is inconvenient to overhaul and wire, the position of the main unit is required to be moved after installation is troublesome, and the cooling effect is not ideal.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a DTU distribution automation looped netowrk cabinet, includes the cabinet body and installs in the backup pad of cabinet body bottom, still includes:

the mounting partition plate is connected to the top of the supporting plate and fixed on the inner wall of the cabinet body;

the extension mechanism is arranged on the outer wall of the installation partition plate, the telescopic end of the extension mechanism is connected with an installation frame, electrical equipment is arranged on the outer wall of the installation frame, the extension mechanism comprises a first connecting rod assembly and two groups of second connecting rod assemblies, and the first connecting rod assembly is matched with the two groups of second connecting rod assemblies;

the migration subassembly sets up in the backup pad bottom, the backup pad bottom is provided with damper and moves the subassembly and cooperate:

the cooling assembly is arranged on one side, away from the epitaxial mechanism, of the mounting partition plate, the back and the two sides of the cabinet body are respectively provided with an air inlet and a heat dissipation opening, and the air inlet and the heat dissipation opening are matched with the cooling assembly.

Preferably, first link assembly and two sets of second link assembly all include first dwang and the second dwang of rotation connection, the one end that the second dwang was kept away from to first dwang is rotated and is connected in the installation baffle outer wall, the one end rotation that first dwang was kept away from to the second dwang is connected in the one side that the installation frame is close to the installation baffle, and is two sets of first dwang outer wall connection that second link assembly contains has the linkage board.

Preferably, first pivot pole and the equal symmetry of second pivot that first link assembly and two sets of second link assembly contain are provided with two sets ofly, and the symmetry is two sets of all rotate between the first pivot pole and be connected with the drive frame, installation frame outer wall detachable connection has a plurality of groups installation diaphragm, electrical components detachable connection is in installation diaphragm mounting groove.

Preferably, installation baffle outer wall bottom is provided with two sets of sliding trays, and is two sets of the equal sliding connection of sliding tray inner wall has the carriage, and is two sets of carriage inner wall sliding connection has the motor, the motor output end is connected with the actuating lever, the actuating lever passes the drive frame inner wall and upwards extends, the actuating lever outer wall is provided with first screw thread and second screw thread, first screw thread and second screw thread opposite direction, first link assembly and second link assembly contain the drive frame respectively with first screw thread and second screw thread match.

Preferably, an outer baffle is installed at the bottom of the supporting plate, the transfer assembly comprises a first rotating arm and a second rotating arm, the first rotating arm and the second rotating arm are respectively connected to the inner wall of the outer baffle and the inner wall of the cabinet body through hinges, moving wheels are connected to the bottoms of the first rotating arm and the second rotating arm, and the first rotating arm and the second rotating arm are symmetrically provided with two groups.

Preferably, the second rotor arm sets up in first rotor arm top, the second rotor arm both sides all rotate and are connected with slip limit hook and extension spring, slip limit hook bottom is provided with slip chute and location slot, the one end that the second rotor arm was kept away from with the extension spring in slip limit hook top is connected, the fixed pin is all installed to first rotor arm both sides, the fixed pin cooperatees with slip limit hook slip chute and location slot respectively.

Preferably, four groups the slip limit hook top all is connected with the gangbar, the gangbar middle section is connected with the stay cord, the stay cord passes outer baffle and outwards extends, the stay cord extends the end and is connected with the handle, the handle can be dismantled and connect in outer baffle outer wall, and is two sets of be connected with the connecting rod between the second rotor arm, the connecting rod outer wall is connected with and steps on the frame plate, it passes outer baffle and outwards extends to step on the frame plate.

Preferably, cooling module includes the district of depositing and the district of supplying air that separates through the baffle, deposit district and the district of supplying air and all set up in the one side that epitaxial mechanism was kept away from to the installation baffle, deposit the inside coolant liquid bin and the circulating pump that is provided with in district, coolant liquid bin and circulating pump are all installed in installation baffle outer wall.

Preferably, the air supply district includes circulation copper pipe and exhaust fan group, circulation copper pipe and exhaust fan group are all installed in installation baffle outer wall, circulation copper pipe both ends are linked together through circulating pump and coolant liquid bin, the vent has been seted up through the installation baffle in air supply district bottom, one side that the vent is close to epitaxial mechanism is provided with the air outlet of loudspeaker form, the air outlet cooperatees with electrical equipment.

A use method of a DTU distribution network automation ring main unit comprises the following steps:

s1: when the device is used, the cabinet body is placed at a designated position, power line signal wires and the like penetrate into the cabinet body, the mounting transverse plates are all detached, the mounting transverse plates are mounted to the mounting transverse plates after electrical equipment is mounted on the mounting transverse plates, the mounting transverse plates are mounted to the outer side of the mounting frame and fixed through bolts, and a second group is mounted after the wires are connected, wherein the mounting transverse plates can be combined for use;

s2: in the installation and wiring or maintenance process, the space in the cabinet body is narrow, the illumination is dim, and when the maintenance and wiring operation is inconvenient, the motor is started, the motor can drive the driving rod to rotate by rotating, the driving rod rotates and respectively drives the driving frame in the first connecting rod assembly and the driving frame in the second connecting rod assembly through the first threads and the second threads, the two groups of driving frames drive the first rotating rod to rotate, wherein the driving frame in the first connecting rod assembly and the driving frame in the second connecting rod assembly are opposite in moving direction, the first rotating rod rotates to drive the second rotating rod to rotate, the multiple groups of second rotating rods are matched to drive the installation frame to move, so that the installation frame drives the electrical equipment to move out of the interior of the cabinet, and an operator can have a wider operation space and a bright sight line;

s3: when the device moves to a scene where the indoor life is difficult to carry mechanically, the foot is used for downwards treading the treading frame plate, the treading frame plate drives the connecting rod to downwards press, the connecting rod further drives the two groups of second rotating arms to downwards rotate, the two groups of second rotating arms simultaneously downwards press and drive the two groups of first rotating arms to downwards press and rotate, when the second rotating arms drive the first rotating arms to downwards press and rotate, the four groups of moving wheels contact the bottom surface, the cabinet body is driven to be separated from the bottom surface through the first rotating arms and the second rotating arms, so that the cabinet body can obtain the moving capacity, in the process, when the second rotating arms downwards press and rotate, the sliding limiting hook is driven to downwards press, the sliding chute at the bottom of the sliding limiting hook presses the fixed pin curved surface to enable the sliding limiting hook to rotate, when the cabinet body moves to a specified position, the handle is detached, the pull rope is pulled by the handle, the pull rope can drive the linkage rod to rotate towards the pull rope and drive the four groups of sliding limiting hooks to rotate, so that the fixed pin is separated from the positioning groove, the first rotating arm and the second rotating arm rotate upwards under the action of the gravity of the cabinet body, the movable wheel is separated from the bottom surface, and meanwhile, the damping assembly can firstly contact the bottom surface, and after vibration is eliminated, the bottom of the cabinet body is contacted with the bottom surface;

s4: inject cooling liquid into in the coolant liquid bin, start circulating pump and exhaust unit, the circulating pump twitches cooling liquid, in the copper pipe flows back to the coolant liquid bin through the circulation again, the cooling on copper pipe surface is managed through the circulation to the wind that exhaust unit blew off downwards, and the installation baffle opposite side is blown in to the rethread vent to blow to electrical equipment through the air outlet and cool down.

Compared with the prior art, the invention provides a DTU distribution network automation ring main unit, which has the following beneficial effects:

1. this DTU distribution network automation looped netowrk cabinet through set up epitaxial mechanism in internal portion of cabinet, rotates through the motor and can drive the actuating lever and rotate the rotation that realizes unit link assembly to it is external to make the installation frame can drive electrical equipment and extend to the cabinet, avoids because of cabinet internal space is narrow and small, and illumination is dim, is not convenient for overhaul and the operation of working a telephone switchboard.

2. This automatic looped netowrk cabinet of DTU distribution network, through set up the migration subassembly in cabinet body bottom, through the mode of stepping on with the foot start, utilize keeping away from of lever, it is comparatively laborsaving, can realize the removal to the cabinet body, simple structure, convenient operation utilizes the mode of stay cord can remove the removal to cooperation damper assembly can effectively avoid vibrations to electrical equipment's damage.

3. This automatic looped netowrk cabinet of DTU distribution network, through setting up cooling module in installation baffle north, through liquid circulation cooling air's mode for it is better than direct air-cooled effect, and keep apart with electrical equipment through the installation baffle, avoid electrocuteeing and take place danger.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the invention can effectively solve the problems of inconvenient maintenance and wiring operation due to narrow space in the cabinet body and dim illumination, is convenient and fast to carry, move and fix and has good cooling effect.

Drawings

Fig. 1 is a schematic external structural diagram of a DTU distribution network automation ring main unit according to the present invention;

fig. 2 is a schematic diagram of an external structure of an automatic ring main unit for DTU distribution network according to the present invention;

fig. 3 is a first schematic structural diagram of an extension mechanism of an automatic ring main unit for DTU distribution network according to the present invention;

fig. 4 is a schematic structural diagram of an extension mechanism of an automatic ring main unit for DTU distribution network according to the present invention;

fig. 5 is a schematic structural diagram of an extension mechanism of an automatic ring main unit of a DTU distribution network according to the present invention;

fig. 6 is a first schematic structural diagram of a migration assembly of an automatic ring main unit for DTU distribution network according to the present invention;

fig. 7 is a schematic structural diagram of a migration assembly of a DTU distribution network automation ring main unit according to the present invention;

fig. 8 is a first structural schematic diagram of a cooling assembly of an automatic ring main unit of a DTU distribution network according to the present invention;

fig. 9 is a schematic structural diagram of a cooling assembly of the DTU distribution network automation ring main unit according to the present invention.

In the figure: 101. a cabinet body; 102. a heat dissipation port; 103. an air inlet; 104. installing a partition plate; 105. a support plate; 106. an outer baffle; 107. a sliding groove; 108. a vent; 109. an air outlet; 200. a carriage; 201. a motor; 202. a drive rod; 203. a first rotating lever; 204. a second rotating rod; 205. a driving frame; 206. a mounting frame; 207. installing a transverse plate; 208. a first thread; 209. a second thread; 210. a linkage plate; 300. a first rotation arm; 301. a second rotating arm; 302. a fixing pin; 303. a sliding limit hook; 304. a shock absorbing assembly; 305. a tension spring; 306. a linkage rod; 307. pulling a rope; 308. a handle; 309. a connecting rod; 310. a moving wheel; 311. treading the frame plate; 400. a coolant storage tank; 401. a circulation pump; 402. an exhaust fan unit; 403. the copper tube was circulated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-9, a DTU distribution network automation looped netowrk cabinet, includes cabinet body 101 and installs in the backup pad 105 of cabinet body 101 bottom, still includes: the mounting partition plate 104 is connected to the top of the supporting plate 105, and the mounting partition plate 104 is fixed on the inner wall of the cabinet body 101; the extending mechanism is arranged on the outer wall of the installation partition plate 104, the telescopic end of the extending mechanism is connected with an installation frame 206, electrical equipment is arranged on the outer wall of the installation frame 206, and the extending mechanism comprises a first connecting rod assembly and two groups of second connecting rod assemblies which are matched; the migration subassembly sets up in the backup pad 105 bottom, and the backup pad 105 bottom is provided with damper assembly 304 and moves the subassembly and cooperate: the cooling assembly is arranged on one side, far away from the epitaxial mechanism, of the mounting partition plate 104, the back and the two sides of the cabinet body 101 are respectively provided with an air inlet 103 and a heat dissipation opening 102, and the air inlet 103 and the heat dissipation opening 102 are both matched with the cooling assembly.

The first connecting rod assembly and the two groups of second connecting rod assemblies respectively comprise a first rotating rod 203 and a second rotating rod 204 which are connected in a rotating mode, one end, far away from the second rotating rod 204, of the first rotating rod 203 is connected to the outer wall of the installation partition plate 104 in a rotating mode, one end, far away from the first rotating rod 203, of the second rotating rod 204 is connected to one side, close to the installation partition plate 104, of the installation frame 206 in a rotating mode, and the outer wall of the first rotating rod 203 of each of the two groups of second connecting rod assemblies is connected with a linkage plate 210; through a set of first link assembly and two sets of second link assembly cooperatees, bearing capacity is good, avoids the in-process flagging.

The first rotating rods 203 and the second rotating rods 204 contained in the first connecting rod assemblies and the two groups of second connecting rod assemblies are symmetrically provided with two groups, driving frames 205 are rotatably connected between the two symmetrical groups of first rotating rods 203, the outer wall of the mounting frame 206 is detachably connected with a plurality of groups of mounting transverse plates 207, and the electric appliance assemblies are detachably connected in the mounting grooves of the mounting transverse plates 207; can realize free assembly, has large assembly space and convenient wiring.

The bottom of the outer wall of the mounting partition plate 104 is provided with two groups of sliding grooves 107, the inner walls of the two groups of sliding grooves 107 are connected with sliding frames 200 in a sliding manner, the inner walls of the two groups of sliding frames 200 are connected with motors 201 in a sliding manner, the output ends of the motors 201 are connected with driving rods 202, the driving rods 202 penetrate through the inner walls of the driving frames 205 and extend upwards, the outer walls of the driving rods 202 are provided with first threads 208 and second threads 209, the directions of the first threads 208 and the second threads 209 are opposite, and the driving frames 205 contained in the first connecting rod assembly and the second connecting rod assembly are matched with the first threads 208 and the second threads 209 respectively; drive actuating lever 202 through a set of motor 201 and realize the control to three group's link assemblies, it is comparatively high-efficient to the operation is stable, and bearing capacity is strong.

The outer baffle 106 is installed at the bottom of the supporting plate 105, the transferring assembly comprises a first rotating arm 300 and a second rotating arm 301, the first rotating arm 300 and the second rotating arm 301 are respectively connected to the inner wall of the outer baffle 106 and the inner wall of the cabinet body 101 through hinges, the bottom of each of the first rotating arm 300 and the bottom of each of the second rotating arm 301 are connected with a transferring wheel 310, and the first rotating arm 300 and the second rotating arm 301 are symmetrically provided with two groups.

The second rotating arm 301 is arranged at the top of the first rotating arm 300, the two sides of the second rotating arm 301 are rotatably connected with a sliding limiting hook 303 and a tension spring 305, the bottom of the sliding limiting hook 303 is provided with a sliding chute and a positioning groove, the top of the sliding limiting hook 303 is connected with one end, far away from the second rotating arm 301, of the tension spring 305, the two sides of the first rotating arm 300 are respectively provided with a fixed pin 302, and the fixed pins 302 are respectively matched with the sliding chute and the positioning groove of the sliding limiting hook 303; the ingenious positioning mode realizes the positioning of the existing states of the first rotating arm 300 and the second rotating arm 301, the connection is stable, and the releasing mode is convenient and fast.

The tops of the four groups of sliding limiting hooks 303 are connected with linkage rods 306, the middle sections of the linkage rods 306 are connected with pull ropes 307, the pull ropes 307 penetrate through the outer baffle 106 and extend outwards, the extending ends of the pull ropes 307 are connected with handles 308, the handles 308 are detachably connected to the outer wall of the outer baffle 106, a connecting rod 309 is connected between the two groups of second rotating arms 301, the outer wall of the connecting rod 309 is connected with a treading frame plate 311, and the treading frame plate 311 penetrates through the outer baffle 106 and extends outwards; the electric cabinet is started in a mode of stepping on by feet, the lever is kept away, labor is saved, the cabinet body can be moved, the structure is simple, the operation is convenient, the movement can be removed in a mode of utilizing the pull rope, and the electric equipment can be effectively prevented from being damaged by vibration by matching with the damping assembly.

The cooling module includes the district of depositing and the district of supplying air that separates through the baffle, deposits district and the district of supplying air and all sets up in one side that epitaxial mechanism was kept away from to installation baffle 104, deposits the inside coolant liquid storage tank 400 and the circulating pump 401 of being provided with in district, and coolant liquid storage tank 400 and circulating pump 401 are all installed in installation baffle 104 outer wall.

The air supply area comprises a circulating copper pipe 403 and an exhaust unit 402, the circulating copper pipe 403 and the exhaust unit 402 are both arranged on the outer wall of the installation partition plate 104, two ends of the circulating copper pipe 403 are communicated with the cooling liquid storage tank 400 through a circulating pump 401, the bottom of the air supply area is provided with a vent 108 through the installation partition plate 104, one side of the vent 108 close to the extending mechanism is provided with a horn-shaped air outlet 109, and the air outlet 109 is matched with electrical equipment; through the mode of liquid cycle cooling air for it is better than direct air-cooled effect, and keep apart through installation baffle and electrical equipment, avoid electrocuteeing and take place danger.

When the device is used, the cabinet body 101 is placed at a designated position, power line signal wires and the like are connected into the cabinet body 101 in a penetrating manner, the mounting transverse plate 207 is completely detached, electrical equipment is mounted on the mounting transverse plate 207, then the mounting transverse plate 207 is mounted on the outer side of the mounting frame 206 and fixed by bolts, and a second group is mounted after the wires are connected, wherein the mounting transverse plate 207 can be combined for use; in the installation and wiring or maintenance process, because the space in the cabinet 101 is narrow, the illumination is dim, and when the maintenance and wiring operation is inconvenient, the motor 201 is started, the rotation of the motor 201 can drive the driving rod 202 to rotate, the driving rod 202 rotates and respectively drives the driving frame 205 in the first connecting rod assembly and the driving frame 205 in the second connecting rod assembly through the first threads 208 and the second threads 209, two groups of driving frames 205 drive the first rotating rod 203 to rotate, wherein the moving directions of the driving frame 205 in the first connecting rod assembly and the driving frame 205 in the second connecting rod assembly are opposite, the rotation of the first rotating rod 203 can drive the second rotating rod 204 to rotate, and a plurality of groups of second rotating rods 204 are matched to drive the installation frame 206 to move, so that the installation frame 206 drives the electrical equipment to move out of the inside of the cabinet, and an operator has a wider operation space and a bright sight line; when the device moves to a scene that indoor life is not easy to carry mechanically, a foot is used for downwards stepping on the stepping frame plate 311, the stepping frame plate 311 drives the connecting rod 309 to downwards press, then the connecting rod 309 drives the two groups of second rotating arms 301 to downwards rotate, the two groups of second rotating arms 301 can simultaneously press the two groups of first rotating arms 300 to downwards press and rotate, when the second rotating arms 301 drive the first rotating arms 300 to downwards press and rotate, the four groups of moving wheels 310 can contact the bottom surface, and the cabinet body 101 is driven to be separated from the bottom surface through the first rotating arms 300 and the second rotating arms 301, so that the cabinet body 101 obtains the moving capability, in the process, when the second rotating arms 301 are pressed and rotated downwards, the sliding limiting hooks 303 are driven to downwards press the curved surface of the fixing pin 302 to enable the sliding limiting hooks 303 to rotate, the tension spring 305 is lengthened, and in the process of pressing down the sliding limit hook 303, the fixing pin 302 is clamped into the positioning groove of the sliding limit hook 303, so that the positioning of the existing state of the first rotating arm 300 and the second rotating arm 301 is realized, after the cabinet body 101 moves to a specified position, the handle 308 is detached, the pull rope 307 is pulled by the handle 308, the pull rope 307 can drive the linkage rod 306 to rotate towards the pull rope 307 and drive the four groups of sliding limit hooks 303 to rotate, so that the fixing pin 302 is separated from the positioning groove, under the gravity action of the cabinet body 101, the first rotating arm 300 and the second rotating arm 301 rotate upwards, the moving wheel 310 is separated from the bottom surface, meanwhile, the damping component 304 can firstly contact the bottom surface, and after the vibration is eliminated, the bottom of the cabinet body 101 contacts the bottom surface; the cooling liquid is injected into the cooling liquid storage tank 400, the circulating pump 401 and the exhaust fan unit 402 are started, the circulating pump 401 pumps the cooling liquid, the cooling liquid flows back into the cooling liquid storage tank 400 through the circulating copper pipe 403, the air blown downwards by the exhaust fan unit 402 is cooled through the surface of the circulating copper pipe 403, and then is blown into the other side of the installation partition plate 104 through the ventilation opening 108 and is blown to the electrical equipment through the air outlet 109 to be cooled.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a DTU distribution automation looped netowrk cabinet, includes cabinet body (101) and installs backup pad (105) in cabinet body (101) bottom, its characterized in that still includes:

the mounting partition plate (104) is connected to the top of the supporting plate (105), and the mounting partition plate (104) is fixed on the inner wall of the cabinet body (101);

the extension mechanism is arranged on the outer wall of the installation partition plate (104), the telescopic end of the extension mechanism is connected with an installation frame (206), electrical equipment is installed on the outer wall of the installation frame (206), the extension mechanism comprises a first connecting rod assembly and two groups of second connecting rod assemblies, and the first connecting rod assembly is matched with the two groups of second connecting rod assemblies;

the migration assembly is arranged at the bottom of the support plate (105), a damping assembly (304) is arranged at the bottom of the support plate (105) and matched with the migration assembly:

the cooling assembly is arranged on one side, away from the extending mechanism, of the mounting partition plate (104), the back and the two sides of the cabinet body (101) are respectively provided with an air inlet (103) and a heat dissipation opening (102), and the air inlet (103) and the heat dissipation opening (102) are matched with the cooling assembly.

2. The automatic looped netowrk cabinet of DTU distribution network of claim 1, characterized in that, first link assembly and two sets of second link assembly all include first dwang (203) and second dwang (204) of rotation connection, the one end that second dwang (204) were kept away from in first dwang (203) is rotated and is connected in installation baffle (104) outer wall, the one end that first dwang (203) was kept away from in second dwang (204) is rotated and is connected in installation frame (206) and be close to one side of installation baffle (104), and two sets of first dwang (203) outer wall connection that second link assembly contains has linkage board (210).

3. The automatic looped netowrk cabinet of DTU distribution network of claim 2, characterized in that, first dwang (203) and second dwang (204) that first link assembly and two sets of second link assembly contain all are provided with two sets of symmetrically, and symmetrical two sets of all rotate between first dwang (203) and be connected with drive frame (205), installation frame (206) outer wall can be dismantled and be connected with a plurality of groups installation diaphragm (207), electrical components can be dismantled and connect in installation diaphragm (207) mounting groove.

4. The DTU distribution automation ring main unit as claimed in claim 3, wherein two sets of sliding grooves (107) are arranged at the bottom of the outer wall of the installation partition plate (104), two sets of sliding grooves (107) are slidably connected to the inner wall of each sliding groove (107), two sets of sliding frames (200) are slidably connected to the inner wall of each sliding frame (200), the output end of each motor (201) is connected with a driving rod (202), each driving rod (202) penetrates through the inner wall of the corresponding driving frame (205) and extends upwards, the outer wall of each driving rod (202) is provided with a first thread (208) and a second thread (209), the directions of the first thread (208) and the second thread (209) are opposite, and the driving frames (205) included in the first connecting rod assembly and the second connecting rod assembly are respectively matched with the first thread (208) and the second thread (209).

5. The DTU distribution automation ring main unit as claimed in claim 1, wherein an outer baffle (106) is installed at the bottom of the supporting plate (105), the migration assembly comprises a first rotating arm (300) and a second rotating arm (301), the first rotating arm (300) and the second rotating arm (301) are respectively connected to the inner wall of the outer baffle (106) and the inner wall of the cabinet body (101) through hinges, the bottoms of the first rotating arm (300) and the second rotating arm (301) are respectively connected with a moving wheel (310), and the first rotating arm (300) and the second rotating arm (301) are symmetrically provided with two sets.

6. The DTU distribution network automation ring main unit according to claim 5, wherein the second rotating arm (301) is arranged at the top of the first rotating arm (300), both sides of the second rotating arm (301) are rotatably connected with a sliding limiting hook (303) and a tension spring (305), the bottom of the sliding limiting hook (303) is provided with a sliding chute and a positioning groove, the top of the sliding limiting hook (303) is connected with one end of the tension spring (305) far away from the second rotating arm (301), both sides of the first rotating arm (300) are provided with fixing pins (302), and the fixing pins (302) are respectively matched with the sliding chute and the positioning groove of the sliding limiting hook (303).

7. The DTU distribution automation ring main unit as claimed in claim 6, wherein the top of each of the four sets of sliding limit hooks (303) is connected with a linkage rod (306), the middle section of the linkage rod (306) is connected with a pull rope (307), the pull rope (307) passes through the outer baffle (106) and extends outwards, the extending end of the pull rope (307) is connected with a handle (308), the handle (308) is detachably connected to the outer wall of the outer baffle (106), a connecting rod (309) is connected between the two sets of second rotating arms (301), the outer wall of the connecting rod (309) is connected with a stepping frame plate (311), and the stepping frame plate (311) passes through the outer baffle (106) and extends outwards.

8. The DTU distribution automation ring main unit as claimed in claim 1, wherein the cooling module comprises a storage area and an air supply area separated by a partition, the storage area and the air supply area are both disposed on a side of the installation partition (104) away from the extending mechanism, a coolant storage tank (400) and a circulating pump (401) are disposed inside the storage area, and the coolant storage tank (400) and the circulating pump (401) are both installed on an outer wall of the installation partition (104).

9. The automatic looped netowrk cabinet of DTU distribution network of claim 8, characterized in that, the air supply district includes circulation copper pipe (403) and exhaust unit (402), circulation copper pipe (403) and exhaust unit (402) are all installed in installation baffle (104) outer wall, circulation copper pipe (403) both ends are linked together with coolant liquid bin (400) through circulating pump (401), air vent (108) have been seted up through installation baffle (104) in air supply district bottom, one side that air vent (108) are close to epitaxial mechanism is provided with tubaeform air outlet (109), air outlet (109) cooperate with electrical equipment.

10. The use method of the DTU distribution network automation ring main unit according to any one of claims 1 to 9, comprising the steps of:

s1: when the device is used, the cabinet body (101) is placed at a designated position, power line signal wires and the like are connected into the cabinet body (101) in a penetrating manner, the mounting transverse plate (207) is completely detached, electrical equipment is mounted on the mounting transverse plate (207), then the mounting transverse plate (207) is mounted on the outer side of the mounting frame (206) and fixed by bolts, and a second group is mounted after the wires are connected, wherein the mounting transverse plate (207) can be combined for use;

s2: in the installation wiring or maintenance process, the space in the cabinet body (101) is narrow, the illumination is dim, when the maintenance and wiring operation are not convenient, the motor (201) is started, the motor (201) rotates to drive the driving rod (202) to rotate, the driving rod (202) rotates and drives the driving frame (205) in the first connecting rod assembly and the driving frame (205) in the second connecting rod assembly through the first threads (208) and the second threads (209) respectively, the two groups of driving frames (205) drive the first rotating rod (203) to rotate, the driving frame (205) in the first connecting rod assembly and the driving frame (205) in the second connecting rod assembly are opposite in moving direction, the first rotating rod (203) rotates to drive the second rotating rod (204) to rotate, the multiple groups of second rotating rods (204) are matched to drive the installation frame (206) to move, so that the installation frame (206) drives the electrical equipment to move out of the interior of the cabinet, and an operator has a wider operation space and a bright sight line;

s3: when the device moves to a scene that indoor activities are not easy to carry mechanically, a foot is used for downwards stepping on a stepping frame plate (311), the stepping frame plate (311) drives a connecting rod (309) to downwards press, then the connecting rod (309) drives two groups of second rotating arms (301) to downwards rotate, the two groups of second rotating arms (301) can simultaneously press down and drive two groups of first rotating arms (300) to downwards press and rotate, when the second rotating arms (301) drive the first rotating arms (300) to downwards press and rotate, four groups of moving wheels (310) can contact the bottom surface, the cabinet body (101) is driven by the first rotating arms (300) and the second rotating arms (301) to be separated from the bottom surface, so that the cabinet body (101) obtains the moving capacity, in the process, when the second rotating arms (301) downwards press and rotate, the sliding limiting hooks (303) are driven to downwards, sliding chutes at the bottoms of the sliding limiting hooks (303) press curved surfaces of fixed pins (302) to enable the sliding limiting hooks (303) to rotate, tension springs (305), and in the process, the sliding limiting hooks (303) are lengthened to pull the sliding limiting pull the fixed pins (302) to pull the sliding pull positioning grooves (307), and the pulling rope (308) to pull the second rotating arms (307), and the sliding limiting hook (301) to drive the rotating groove (307) to pull the rotating groove (307) to move, thereby, the movable groove (307) to drive the movable groove (307) to move, and the movable groove (308, and the movable arm (307), and the movable groove (101), the four groups of sliding limiting hooks (303) are driven to rotate, so that the fixing pins (302) are separated from the positioning grooves, the first rotating arm (300) and the second rotating arm (301) rotate upwards under the action of the gravity of the cabinet body (101), the moving wheel (310) is separated from the bottom surface, meanwhile, the damping assembly (304) can firstly contact the bottom surface, and after vibration is eliminated, the bottom of the cabinet body (101) contacts the bottom surface;

s4: the cooling liquid is injected into the cooling liquid storage tank (400), the circulating pump (401) and the exhaust fan unit (402) are started, the circulating pump (401) pumps the cooling liquid and flows back into the cooling liquid storage tank (400) through the circulating copper pipe (403), the air blown downwards by the exhaust fan unit (402) is cooled through the surface of the circulating copper pipe (403), and then is blown into the other side of the installation partition plate (104) through the vent (108) and is blown to the electrical equipment through the air outlet (109) to be cooled.