CN115548918B

CN115548918B - DTU distribution network automatic ring main unit and application method thereof

Info

Publication number: CN115548918B
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: 2023-07-07
Anticipated expiration: 2042-09-21
Also published as: CN115548918A

Abstract

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

Description

DTU distribution network automatic ring main unit and application method thereof

Technical Field

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

Background

DTU (Data Transfer unit), which is a wireless terminal device specifically used 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 industries such as weather, hydrology, water conservancy, geology and the like; the ring main unit is a group of power transmission and distribution electrical equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled spacing ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely used in distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like, and the internal facilities and circuits of the ring main unit provided with the DTU equipment are certainly more complex, thereby bringing examination to wiring and overhaul work.

Through retrieving, the patent of publication number CN214337184U discloses an automatic looped netowrk cabinet of DTU distribution network, 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 inner cabinet body, the inside both sides of the inside of the outer cabinet body all fixed mounting has the dead lever. According to the utility model, the motor rotates, so that the fixing rod moves outwards on the surface of the threaded rod, and the fixing block is driven to be separated from the inner cabinet body, so that the overhaul of components in the inner cabinet body is facilitated; the device only removes equipment when being convenient for overhaul when using, but does not need to detach equipment completely to overhaul under the majority of cases, and the round trip dismouting operation 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 utility model aims to solve the problems that in the prior art, the internal facilities and circuits of a ring main unit of a DTU device are more complex, a common ring main unit is inconvenient to overhaul and wire, the position of a main unit body is troublesome to move after installation, and the cooling effect is not ideal.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an automatic looped netowrk cabinet of network is joined in marriage to DTU, includes the cabinet body and installs in the backup pad of cabinet body bottom, still includes:

the installation partition plate is connected to the top of the supporting plate and is 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 installed 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;

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

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

Preferably, the first connecting rod assembly and the two groups of second connecting rod assemblies comprise a first rotating rod and a second rotating rod which are connected in a rotating mode, one end, away from the second rotating rod, of the first rotating rod is connected to the outer wall of the installation partition in a rotating mode, one end, away from the first rotating rod, of the second rotating rod is connected to one side, close to the installation partition, of the installation frame in a rotating mode, and the two groups of first rotating rod outer walls, contained in the second connecting rod assemblies, are connected with a linkage plate.

Preferably, the first rotating rods and the second rotating rods contained in the first connecting rod assembly and the two groups of second connecting rod assemblies are symmetrically provided with two groups, the two groups of first rotating rods are symmetrically connected with a driving frame in a rotating mode, the outer wall of the mounting frame is detachably connected with a plurality of groups of mounting transverse plates, and the electrical appliance assembly is detachably connected in the mounting transverse plate mounting groove.

Preferably, two groups of sliding grooves are formed in the bottom of the outer wall of the installation partition plate, the sliding frames are connected with the inner walls of the sliding grooves in a sliding mode, the two groups of sliding frames are connected with the motor in a sliding mode, the output end of the motor is connected with a driving rod, the driving rod penetrates through the inner wall of the driving frame and extends upwards, first threads and second threads are formed in the outer wall of the driving rod, the directions of the first threads and the second threads are opposite, and driving frames contained in the first connecting rod assembly and the second connecting rod assembly are matched with the first threads and the second threads respectively.

Preferably, the outer baffle is installed to backup pad bottom, migration subassembly includes first rotating arm and second rotating arm, first rotating arm and second rotating arm are respectively through hinged joint in outer baffle inner wall and cabinet internal wall, first rotating arm and second rotating arm bottom all are connected with the removal wheel, first rotating arm and second rotating arm symmetry are provided with two sets of.

Preferably, the second rotating arm is arranged at the top of the first rotating arm, the two sides of the second rotating arm are respectively connected with a sliding limiting hook and a tension spring in a rotating mode, a sliding chute and a positioning groove are formed in the bottom of the sliding limiting hook, the top of the sliding limiting hook is connected with one end, far away from the second rotating arm, of the tension spring, fixing pins are respectively arranged at the two sides of the first rotating arm, and the fixing pins are respectively matched with the sliding chute and the positioning groove of the sliding limiting hook.

Preferably, four groups of sliding limiting hooks are all 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 extension end is connected with the handle, the handle can be dismantled and be connected in outer baffle outer wall, two groups be connected with the connecting rod between the second rotating arm, connecting rod outer wall connection has tramples the frame plate, trample the frame plate and pass outer baffle and outwards extend.

Preferably, the cooling assembly comprises a storage area and an air supply area which are separated by a partition board, the storage area and the air supply area are arranged on one side, far away from the epitaxial mechanism, of the installation partition board, a cooling liquid storage box and a circulating pump are arranged in the storage area, and the cooling liquid storage box and the circulating pump are arranged on the outer wall of the installation partition board.

Preferably, the air supply area comprises a circulating copper pipe and an exhaust unit, the circulating copper pipe and the exhaust unit are both arranged on the outer wall of the installation partition board, two ends of the circulating copper pipe are communicated with the cooling liquid storage tank through a circulating pump, a vent is formed in the bottom of the air supply area through the installation partition board, a horn-shaped air outlet is formed in one side, close to the extension mechanism, of the vent, and the air outlet is matched with electrical equipment.

A using 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, a power line signal wire and the like are connected into the cabinet body in a penetrating way, the mounting transverse plates are all detached, after the electrical equipment is mounted on the mounting transverse plates, the mounting transverse plates are mounted on the outer sides of the mounting frames and are fixed by bolts, and a second group of mounting transverse plates are mounted after the wires are connected, wherein the mounting transverse plates can be used in a combined way;

s2: in the process of installation wiring or overhaul, because the space in the cabinet body is narrow and the illumination is dim, when the overhaul and wiring operation are inconvenient, the motor is started, the motor rotates to drive the driving rod to rotate, the driving rod rotates and drives the driving frame in the first connecting rod assembly and the driving frame in the second connecting rod assembly through the first screw thread and the second screw thread respectively, the two groups of driving frames drive the first rotating rod to rotate, wherein the driving frames in the first connecting rod assembly and the driving frames in the second connecting rod assembly move in opposite directions, the first rotating rod rotates to drive the second rotating rod to rotate, and the plurality of groups of second rotating rods are matched with the belt-driven installation frame to move, so that the installation frame drives electrical equipment to move out of the cabinet interior, and operators have wider operation space and bright vision;

s3: when the device moves into a scene that the indoor activity is not easy to mechanically carry, the pedal frame plate is stepped down by feet, the pedal frame plate drives the connecting rod to press down, and then the connecting rod drives two groups of second rotating arms to rotate downwards, the two groups of second rotating arms simultaneously press down to drive the two groups of first rotating arms to rotate downwards, when the second rotating arms drive the first rotating arms to press down and rotate, the four groups of moving wheels can contact the bottom surface, and the cabinet body is driven by the first rotating arms and the second rotating arms to be separated from the bottom surface, so that the cabinet body can obtain the moving capability, in the process, when the second rotating arms press down and rotate, the sliding limiting hooks are driven to press the curved surfaces of the fixing pins, so that the sliding limiting hooks rotate, the tension springs are lengthened, and in the sliding limiting hooks press down process, the fixing pins into the positioning grooves of the sliding limiting hooks, so that the positioning of the first rotating arms and the second rotating arms are positioned, when the cabinet body moves to a designated position, the handle is detached, and pulled by the handle, the driving rods rotate towards the bottom surface, and the four groups of sliding hooks are driven to be separated from the bottom surface, and then the bottom surface of the cabinet body is contacted with the first rotating arm assembly, and the bottom surface is removed from the bottom surface by vibration damping assembly;

s4: and (3) injecting cooling liquid into the cooling liquid storage tank, starting the circulating pump and the exhaust unit, pumping the cooling liquid by the circulating pump, flowing back into the cooling liquid storage tank through the circulating copper pipe, cooling air blown downwards by the exhaust unit through the surface of the circulating copper pipe, blowing into the other side of the installation partition plate through the vent, and cooling through the air outlet to electrical equipment.

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

1. this automatic looped netowrk cabinet of net is joined in marriage to DTU through at the internal portion of cabinet setting up epitaxial mechanism, can drive the actuating lever through the motor rotation and rotate and realize the rotation of unit connecting rod assembly to make the installing frame can drive electrical equipment and extend to the cabinet external, avoid because of cabinet internal space is narrow and small, the illumination is dim, is inconvenient for maintenance and wiring operation.

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

3. This automatic looped netowrk cabinet of network is joined in marriage to DTU sets up cooling module through the north at installation baffle for it is better than direct forced air cooling effect, and keeps apart with electrical equipment through installation baffle, avoids the electric shock to take place danger.

The device has the advantages that the device is not related to the same parts as or can be realized by adopting the prior art, the problems of inconvenient maintenance and wiring operation due to narrow space in the cabinet body and dim illumination can be effectively solved, the carrying, the moving and the fixing are relatively convenient, and the cooling effect is good.

Drawings

Fig. 1 is a schematic diagram of an external structure of a DTU distribution network automation ring main unit according to the present utility model;

fig. 2 is a schematic diagram of an external structure of a DTU distribution network automation ring main unit according to the present utility model;

fig. 3 is a schematic diagram of an epitaxy mechanism of a DTU distribution network automation ring main unit according to the present utility model;

fig. 4 is a schematic diagram of an epitaxy mechanism of a DTU distribution network automation ring main unit according to the second embodiment of the present utility model;

fig. 5 is a schematic diagram III of an epitaxy mechanism of a DTU distribution network automation ring main unit according to the present utility model;

fig. 6 is a schematic diagram of a migration component of an automatic ring main unit of a DTU distribution network according to the present utility model;

fig. 7 is a schematic diagram of a migration component of an automatic ring main unit of a DTU distribution network according to the present utility model;

fig. 8 is a schematic diagram of a cooling component of a DTU distribution network automation ring main unit according to the present utility model;

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

In the figure: 101. a cabinet body; 102. a heat radiation port; 103. an air inlet; 104. installing a partition board; 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 driving rod; 203. a first rotating lever; 204. a second rotating lever; 205. a drive rack; 206. a mounting frame; 207. mounting a transverse plate; 208. a first thread; 209. a second thread; 210. a linkage plate; 300. a first rotating arm; 301. a second rotating arm; 302. a fixing pin; 303. sliding limit hooks; 304. a shock absorbing assembly; 305. a tension spring; 306. a linkage rod; 307. a pull rope; 308. a handle; 309. a connecting rod; 310. a moving wheel; 311. treading the frame plate; 400. a cooling liquid storage tank; 401. a circulation pump; 402. an exhaust unit; 403. and circulating the copper pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-9, a DTU distribution network automation ring main unit, which includes a main unit 101 and a support plate 105 installed at the bottom of the main unit 101, further includes: the installation partition plate 104 is connected to the top of the supporting plate 105, and the installation partition plate 104 is fixed on the inner wall of the cabinet 101; the extension mechanism is arranged on the outer wall of the installation partition 104, the telescopic end of the extension mechanism is connected with an installation frame 206, electrical equipment is arranged 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; migration subassembly sets up in backup pad 105 bottom, and backup pad 105 bottom is provided with damper unit 304 and migration subassembly and cooperatees: the cooling assembly is arranged on one side of the mounting partition 104, which is far away from the extension mechanism, and the back and 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.

The first connecting rod assembly and the two groups of second connecting rod assemblies comprise a first rotating rod 203 and a second rotating rod 204 which are connected in a rotating way, 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 way, 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, and the outer walls of the first rotating rods 203 contained in the two groups of second connecting rod assemblies are 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 sagging.

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

Two groups of sliding grooves 107 are formed in the bottom of the outer wall of the installation partition 104, sliding frames 200 are connected to the inner walls of the two groups of sliding grooves 107 in a sliding mode, a motor 201 is connected to the inner walls of the two groups of sliding frames 200 in a sliding mode, a driving rod 202 is connected to the output end of the motor 201, the driving rod 202 penetrates through the inner wall of the driving frame 205 and extends upwards, a first thread 208 and a second thread 209 are formed in the outer wall of the driving rod 202, the directions of the first thread 208 and the second thread 209 are opposite, and the driving frame 205 contained in the first connecting rod component and the second connecting rod component are matched with the first thread 208 and the second thread 209 respectively; the driving rod 202 is driven by the motor 201 to control the three groups of connecting rod assemblies, so that the control is efficient, the operation is stable, and the bearing capacity is high.

The outer baffle 106 is installed to backup pad 105 bottom, and the migration subassembly includes first rotating arm 300 and second rotating arm 301, and first rotating arm 300 and second rotating arm 301 are respectively through hinged joint in outer baffle 106 inner wall and cabinet 101 inner wall, and first rotating arm 300 and second rotating arm 301 bottom all are connected with the movable wheel 310, and first rotating arm 300 and second rotating arm 301 symmetry are provided with two sets of.

The second rotating arm 301 is arranged at the top of the first rotating arm 300, two sides of the second rotating arm 301 are rotatably connected with a sliding limit hook 303 and a tension spring 305, a sliding chute and a positioning groove are formed in the bottom of the sliding limit hook 303, the top of the sliding limit hook 303 is connected with one end, far away from the second rotating arm 301, of the tension spring 305, fixing pins 302 are arranged at two sides of the first rotating arm 300, and the fixing pins 302 are respectively matched with the sliding chute and the positioning groove of the sliding limit hook 303; the smart positioning mode realizes the positioning of the existing states of the first rotating arm 300 and the second rotating arm 301, and has stable connection and convenient release mode.

The tops of the four groups of sliding limiting hooks 303 are 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 penetrates 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 groups of second rotating arms 301, the outer wall of the connecting rod 309 is connected with a pedal frame plate 311, and the pedal frame plate 311 penetrates through the outer baffle 106 and extends outwards; through the mode start with stepping on, utilize keeping away from of lever, comparatively laborsaving, can realize the removal to the cabinet body, simple structure, convenient operation utilizes the mode of stay cord to can remove to cooperation damper can effectively avoid vibrations to electrical equipment's damage.

The cooling assembly comprises a storage area and an air supply area which are separated by a partition board, wherein the storage area and the air supply area are arranged on one side of the installation partition board 104 away from the epitaxial mechanism, a cooling liquid storage tank 400 and a circulating pump 401 are arranged in the storage area, and the cooling liquid storage tank 400 and the circulating pump 401 are arranged on the outer wall of the installation partition board 104.

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 mounting partition board 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 mounting partition board 104, one side of the vent 108, which is close to the extension mechanism, is provided with a horn-shaped air outlet 109, and the air outlet 109 is matched with electrical equipment; the mode of cooling air through liquid circulation makes than direct forced air cooling effect better to keep apart with electrical equipment through installation baffle, avoid the electric shock to take place danger.

When the device is used, the cabinet body 101 is placed at a designated position, a power line signal wire and the like are penetrated into the cabinet body 101, the mounting transverse plates 207 are all detached, after the electrical equipment is mounted on the mounting transverse plates 207, the mounting transverse plates 207 are mounted on the outer sides of the mounting frames 206 and are fixed by bolts, and a second group of the mounting transverse plates 207 can be assembled for use after the wire connection is completed; in the process of installation wiring or maintenance, because the space in the cabinet body 101 is narrow, the illumination is dim, when maintenance and wiring operation are inconvenient, 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, wherein the driving frames 205 in the first connecting rod assembly and the driving frames 205 in the second connecting rod assembly move in opposite directions, the first rotating rod 203 rotates to drive the second rotating rod 204 to rotate, and the multiple groups of second rotating rods 204 cooperate with the driving 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 brighter sight; when the device moves into a scene that the indoor movement is not easy to be carried mechanically, the pedal plate 311 is stepped down by feet, the pedal plate 311 drives the connecting rod 309 to press down, the connecting rod 309 drives the two groups of second rotating arms 301 to rotate downwards, the two groups of second rotating arms 301 simultaneously press down to drive the two groups of first rotating arms 300 to rotate downwards, when the second rotating arms 301 drive the first rotating arms 300 to press down to rotate, the four groups of moving wheels 310 contact the bottom surface, and the cabinet 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 101 can obtain the movement capability, in the process, the second rotating arms 301 press down to rotate, the sliding limiting hooks 303 are driven to press down, the sliding chute at the bottom of the sliding limiting hooks 303 presses the curved surface of the fixing pins 302 to rotate the sliding limiting hooks 303, the tension spring 305 is lengthened, and in the process of pressing down the sliding limiting hook 303, the fixing pin 302 is clamped into the positioning groove of the sliding limiting hook 303, so that the existing states of the first rotating arm 300 and the second rotating arm 301 are positioned, after the cabinet body 101 moves to a designated position, the pull handle 308 is detached, the pull rope 307 is pulled by the pull handle 308, the pull rope 307 drives the linkage rod 306 to rotate towards the pull rope 307, and drives the four groups of sliding limiting hooks 303 to rotate, so that the fixing pin 302 is separated from the positioning groove, under the action of gravity 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, the shock absorbing assembly 304 firstly contacts the bottom surface, and after shock is eliminated, the bottom of the cabinet body 101 contacts the bottom surface; cooling liquid is injected into the cooling liquid storage tank 400, the circulating pump 401 and the exhaust 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 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 104 through the ventilation opening 108, and is blown to electrical equipment through the air outlet 109 for cooling.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a DTU joins in marriage net 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 installation partition plate (104) is connected to the top of the supporting plate (105), and the installation 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;

migration subassembly sets up in backup pad (105) bottom, backup pad (105) bottom is provided with damper (304) and migration subassembly and cooperatees:

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

the first connecting rod assemblies and the two groups of second connecting rod assemblies comprise a first rotating rod (203) and a second rotating rod (204) which are connected in a rotating way, 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 way, 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), and the outer walls of the first rotating rods (203) contained in the two groups of second connecting rod assemblies are connected with a linkage plate (210);

the first rotating rods (203) and the second rotating rods (204) contained in the first connecting rod assembly and the two groups of second connecting rod assemblies are symmetrically provided with two groups, the two symmetrical groups of first rotating rods (203) are rotationally connected with a driving frame (205), the outer wall of the mounting frame (206) is detachably connected with a plurality of groups of mounting transverse plates (207), and the electrical appliance assembly is detachably connected in a mounting groove of the mounting transverse plates (207);

the utility model discloses a motor, including installation baffle (104), baffle, motor, first connecting rod subassembly, second connecting rod subassembly, first screw thread (208) and second screw thread (209) are provided with two sets of sliding tray (107), two sets of equal sliding connection of sliding tray (107) inner wall has carriage (200), two sets of carriage (200) inner wall sliding connection has motor (201), motor (201) output is connected with actuating lever (202), actuating lever (202) pass actuating lever (205) inner wall and upwards extend, actuating lever (202) outer wall is provided with first screw thread (208) and second screw thread (209), first screw thread (208) and second screw thread (209) opposite in direction, first connecting rod subassembly and second connecting rod subassembly contained actuating lever (205) cooperate with first screw thread (208) and second screw thread (209) respectively.

2. The DTU distribution network automatic ring main unit according to claim 1, wherein the 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 connected to the inner wall of the outer baffle (106) and the inner wall of the cabinet body (101) through hinges respectively, the bottoms of the first rotating arm (300) and the second rotating arm (301) are both connected with the movable wheels (310), and the first rotating arm (300) and the second rotating arm (301) are symmetrically provided with two groups.

3. The DTU distribution network automatic ring main unit according to claim 2, wherein the second rotating arm (301) is arranged at the top of the first rotating arm (300), two sides of the second rotating arm (301) are rotatably connected with a sliding limit hook (303) and a tension spring (305), a sliding chute and a positioning groove are arranged at the bottom of the sliding limit hook (303), the top of the sliding limit hook (303) is connected with one end, far away from the second rotating arm (301), of the tension spring (305), fixing pins (302) are arranged at two sides of the first rotating arm (300), and the fixing pins (302) are matched with the sliding chute and the positioning groove of the sliding limit hook (303) respectively.

4. A DTU distribution network automatic ring main unit according to claim 3, wherein four sets of sliding limiting hooks (303) are connected with a linkage rod (306) at the top, a pull rope (307) is connected to the middle section of the linkage rod (306), the pull rope (307) penetrates through the outer baffle (106) and extends outwards, a pull handle (308) is connected to the extending end of the pull rope (307), the pull handle (308) is detachably connected to the outer wall of the outer baffle (106), a connecting rod (309) is connected between two sets of second rotating arms (301), a pedal plate (311) is connected to the outer wall of the connecting rod (309), and the pedal plate (311) penetrates through the outer baffle (106) and extends outwards.

5. The DTU distribution network automation ring main unit of claim 4, wherein the cooling assembly comprises a storage area and an air supply area which are separated by a partition board, the storage area and the air supply area are arranged on one side of the installation partition board (104) far away from the extension mechanism, a cooling liquid storage tank (400) and a circulating pump (401) are arranged in the storage area, and the cooling liquid storage tank (400) and the circulating pump (401) are arranged on the outer wall of the installation partition board (104).

6. The automatic ring main unit of a DTU distribution network according to claim 5, wherein 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 installed on the outer wall of the installation partition board (104), two ends of the circulating copper pipe (403) are communicated with the cooling liquid storage tank (400) through the circulating pump (401), the bottom of the air supply area is provided with a ventilation opening (108) through the installation partition board (104), one side, close to the extension mechanism, of the ventilation opening (108) is provided with a horn-shaped air outlet (109), and the air outlet (109) is matched with electrical equipment.

7. The method for using the DTU distribution network automation ring main unit as recited in claim 6, comprising the steps of:

s1: when the ring main unit is used, the main unit body (101) is placed at a designated position, power line signal wires and the like are connected into the main unit body (101) in a penetrating way, the mounting transverse plates (207) are all detached, electric equipment is mounted on the mounting transverse plates (207), then the mounting transverse plates (207) are mounted on the outer sides of the mounting frames (206) and are fixed by bolts, and a second group is mounted after the wires are connected, wherein the mounting transverse plates (207) can be used in a combined way;

s2: in the process of installation wiring or maintenance, because the space in the cabinet body (101) is narrow, illumination is dim, when maintenance and wiring operation are inconvenient, a motor (201) is started, the motor (201) rotates to drive a driving rod (202) to rotate, the driving rod (202) rotates and drives a driving frame (205) in a first connecting rod assembly and a driving frame (205) in a second connecting rod assembly through a first thread (208) and a second thread (209) respectively, two groups of driving frames (205) drive the first rotating rod (203) to rotate, wherein the driving frames (205) in the first connecting rod assembly and the driving frames (205) in the second connecting rod assembly move in opposite directions, the first rotating rod (203) rotates to drive the second rotating rod (204) to rotate, and a plurality of groups of second rotating rods (204) are matched with a belt-driven installation frame (206) to move, so that the installation frame (206) drives electrical equipment to move out of the interior of the cabinet, and operators have wider operation space and bright vision;

s3: when the ring main unit moves into a scene where indoor movement is not easy to carry mechanically, the pedal plate (311) is stepped down by feet, the pedal plate (311) drives the 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) simultaneously downwards press and drive two groups of first rotating arms (300) to downwards rotate, when the second rotating arms (301) drive the first rotating arms (300) to downwards rotate, four groups of moving wheels (310) can contact the bottom surface, and 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) can obtain the moving capability, in the process, when the second rotating arms (301) downwards press and rotate, the sliding limiting hooks (303) are driven by sliding chute curved surfaces at the bottoms of the sliding limiting hooks (303) to enable the sliding limiting hooks (303) to rotate, tension springs (305) to be lengthened, when the second rotating arms (301) drive the first rotating arms (300) to downwards press and simultaneously drive the sliding limiting hooks (302) to be clamped in the sliding limiting hooks (303) to downwards rotate, and the sliding limiting hooks (303) are enabled to be separated from the bottom surface, therefore the cabinet body (101) can be moved to achieve the moving position of the first rotating arms (307), the stay cord (307) can drive the linkage rod (306) to rotate towards the stay cord (307) and drive the four groups of sliding limiting hooks (303) 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 gravity of the cabinet body (101), the moving wheel (310) is separated from the bottom surface, meanwhile, the damping component (304) can contact the bottom surface at first, and after vibration is eliminated, the bottom of the cabinet body (101) contacts the bottom surface;

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