Gas-insulated closed ring main unit

Abstract

The utility model discloses a gas insulation closed type ring main unit, which comprises a rapid cooling mechanism, and a drain pipe and a water inlet pipe which are arranged on the outer side of the rapid cooling mechanism, a ring main unit mechanism is arranged on the outer side of the rapid cooling mechanism, and a cooling box is arranged on one side of the ring main unit mechanism. The rapid cooling mechanism comprises an air cooling box and a water cooling box, a worm gear protective cover is fixedly installed in the center of the top of the water cooling box, rotating supports are symmetrically installed on the side, close to the interior of the worm gear protective cover, of the top of the water cooling box, and rotating motors are fixedly installed on the outer sides of the rotating supports; an output end of the rotating motor is fixedly connected with a rotating worm, an air cooling box and a water cooling box are used for performing air cooling and water cooling on insulating gas, and the two cooling modes are combined, so that the cooling effect of the insulating gas is improved, the ring main unit is conveniently and rapidly cooled, and the service life of the ring main unit is prolonged. And rotation of the spiral rotating pipe can be achieved through the first rotating pipe and the second rotating pipe, and the cooling efficiency is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ring main unit technical field, concretely is a kind of gas insulation closed ring main unit. BACKGROUND

[0002] Ring main unit is a group of power transmission and distribution electrical equipment (high voltage switch equipment) is installed in metal or non-metal insulation cabinet or is made into the electrical equipment of assembled interval type ring network power supply unit, its core part uses load switch and fuse, with simple structure, small size, low price, can improve power supply parameter and performance and power supply safety and other advantages, it is widely used in the power distribution station and box-type substation of city residential area, high-rise building, large public building, factory enterprise and other load centers.

[0003] Publication No. CN209730587U discloses an insulation closed safety ring main unit, by setting dust screen, sealing rubber ring and elastic sheet etc., to facilitate the disassembly, installation and cleaning of dust screen, improve the heat dissipation performance, improve the sealing performance of ring main unit, etc., solve the problem that the current insulation closed safety ring main unit has insufficient heat dissipation capacity, and the heat generated by internal components is difficult to quickly discharge when the external temperature is high, but the patent still has the following problems in actual use process:

[0004] Although the insulation closed safety ring main unit reaches the effect of facilitating the disassembly, installation and cleaning of dust screen, and improving the heat dissipation performance by setting dust screen, sealing rubber ring and elastic sheet, but when the fan is used for heat dissipation of ring main unit, the heat dissipation effect is limited, and the maximum temperature of ring main unit can reach forty degrees, only through the fan for heat dissipation, the ring main unit cannot be quickly cooled, thereby affecting the heat dissipation effect of ring main unit, and being not conducive to the normal work of ring main unit.

[0005] Therefore, a gas insulation closed ring main unit is proposed to solve the problems in the above. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of gas insulation closed ring main unit to solve the problem that the heat dissipation effect is limited when fan is used for heat dissipation of ring main unit, and the maximum temperature of ring main unit can reach forty degrees, only through the fan for heat dissipation, the ring main unit cannot be quickly cooled, thereby affecting the heat dissipation effect of ring main unit, and being not conducive to the normal work of ring main unit.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of gas insulation closed ring main unit, including quick cooling mechanism, and drain pipe and inlet pipe installed on the outside of quick cooling mechanism;

[0008] The outside of the quick cooling mechanism is provided with ring main unit mechanism, and the side of ring main unit mechanism is provided with cooling box.

[0009] Further comprising:

[0010] The rapid cooling mechanism comprises a forced air cooling box and a water cooling box, a worm gear protective cover is fixedly installed at the top center of the water cooling box, and rotating supports are symmetrically installed at the top of the water cooling box near the inside of the worm gear protective cover;

[0011] The outer side of the rotating support is fixedly installed with a rotating motor, and the output end of the rotating motor is fixedly connected with a rotating worm;

[0012] The side of the rotating worm is meshingly connected with a rotating worm gear, the rotating worm gear is rotationally connected with the water cooling box, and the inside of the rotating worm gear is fixedly installed with a first rotating pipe.

[0013] Preferably, the outer side of the first rotating pipe is fixedly installed with a sprocket transmission assembly, the outer side of the sprocket transmission assembly is provided with a sprocket limiting cover, the inside of the sprocket transmission assembly is fixedly installed with a second rotating pipe away from the side of the first rotating pipe, the top of the first rotating pipe is rotationally connected with an air suction pump, the top of the second rotating pipe is rotationally connected with an air exhaust pump, and the sprocket limiting cover is fixedly connected with the air suction pump and the air exhaust pump respectively.

[0014] Preferably, the bottom of the first rotating pipe and the bottom of the second rotating pipe are fixedly connected with spiral rotating pipes, the bottoms of the two spiral rotating pipes are rotationally connected with connecting pipes, the connecting pipes are fixedly installed in the interiors of the forced air cooling box and the water cooling box, and the drain pipe and the water inlet pipe are fixedly installed at one side of the top and one side of the bottom of the water cooling box respectively.

[0015] Preferably, the two sides of the forced air cooling box are fixedly installed with forced air cooling frames, the end of the forced air cooling frame is fixedly installed with a dust screen, the inside of the forced air cooling frame is fixedly installed with a fan support, the end of the fan support is fixedly installed with a cooling fan, and the side of the forced air cooling frame away from the dust screen is rotationally connected with a plurality of protective shutters.

[0016] Preferably, the ring main unit mechanism comprises a ring main unit body, a partition plate is fixedly installed in the interior of the ring main unit body, a gas insulation closed room and a cooling room are respectively formed at the top and the bottom of the ring main unit body near the partition plate, the forced air cooling box and the water cooling box are fixedly installed in the interior of the cooling room, and the outer sides of the ring main unit body near the gas insulation closed room and the cooling room are fixedly installed with sealing plates.

[0017] Preferably, the ring netowrk cabinet body is fixedly installed with heat dissipation fins near the top of the gas insulation closed chamber, the inside of the cooling chamber is symmetrically provided with mounting grooves, the bottom of the ring netowrk cabinet body is fixedly installed with a mounting bottom plate, the outside of the ring netowrk cabinet body is fixedly installed with a control panel, the ring netowrk cabinet body is fixedly installed with a temperature sensor near the inside of the gas insulation closed chamber, and the ring netowrk cabinet body is fixedly installed with a pressure relief valve near one side of the top of the gas insulation closed chamber.

[0018] Preferably, the bottom of the cooling box is fixedly installed with supporting legs, the bottom of the cooling box is fixedly installed with a water inlet pump on one side, the end of the water inlet pump is fixedly installed with a spiral cooling pipe, the end of the spiral cooling pipe is fixedly installed with a water outlet pump, the water inlet pump is fixedly connected with a water inlet pipe, and the water outlet pump is fixedly connected with a water outlet pipe.

[0019] Compared with the prior art, the gas insulation closed ring network cabinet has the advantages that: the insulation gas is air-cooled and water-cooled by the air-cooling box and the water-cooling box, the cooling effect of the insulation gas is improved by the combination of the two cooling modes, the ring network cabinet is quickly cooled, the rotation of the spiral rotating pipe is realized by the first rotating pipe and the second rotating pipe, the cooling efficiency is further improved, the temperature inside the gas insulation closed chamber is detected by the temperature sensor, and the working states of the air pump, the exhaust pump, the rotating motor, the water inlet pump and the water outlet pump are controlled by the control panel, so that the purpose of quick cooling is achieved.

[0020] 1. The quick cooling mechanism can air-cool and water-cool the insulation gas by the air-cooling box and the water-cooling box, the cooling effect of the insulation gas is improved by the combination of the two cooling modes, the ring network cabinet is quickly cooled, the first rotating pipe and the chain wheel transmission assembly are driven to rotate by the rotating motor, the chain wheel transmission assembly drives the second rotating pipe to rotate by the meshing connection between the rotating worm and the rotating worm wheel, the rotation of the spiral rotating pipe is realized by the first rotating pipe and the second rotating pipe, and the high-temperature insulation gas is pumped into the air-cooling box and the water-cooling box by the air pump.

[0021] 2. The ring network cabinet mechanism can separate the inside of the ring network cabinet body into the gas insulation closed chamber and the cooling chamber by the partition plate, the gas insulation closed chamber is used for installing electrical equipment and is filled with insulation gas, the electrical equipment is quickly cooled by the insulation gas, the heat absorption effect of the heat dissipation fins is utilized for the preliminary cooling of the gas insulation closed chamber, the temperature inside the gas insulation closed chamber is detected by the temperature sensor, and the working states of the air pump, the exhaust pump, the rotating motor, the water inlet pump and the water outlet pump are controlled by the control panel, so that the purpose of quick cooling is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole profile three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is the profile three-dimensional structure schematic view of the quick cooling mechanism in the utility model;

[0024] Figure 3 It is the three-dimensional structure schematic view of the rotating worm wheel and the first rotating pipe in the utility model;

[0025] Figure 4 It is the profile three-dimensional structure schematic view of the air cooling frame in the utility model;

[0026] Figure 5 It is the profile three-dimensional structure schematic view of the ring network cabinet mechanism in the utility model;

[0027] Figure 6 It is the profile three-dimensional structure schematic view of the cooling box in the utility model.

[0028] In the drawing: 1, quick cooling mechanism;101, air cooling box;102, water cooling box;103, worm wheel protective cover;104, rotating support;105, rotating motor;106, rotating worm;107, rotating worm wheel;108, first rotating pipe;109, chain wheel transmission assembly;110, chain wheel limiting cover;111, air extraction pump;112, exhaust pump;113, second rotating pipe;114, spiral rotating pipe;115, connecting pipe;116, drain pipe;117, water inlet pipe;118, air cooling frame;119, dust screen;120, fan support;121, cooling fan;122, protective louver;2, ring network cabinet mechanism;201, ring network cabinet body;202, partition plate;203, gas insulation closed room;204, cooling chamber;205, sealing plate;206, cooling fin;207, mounting groove;208, mounting bottom plate;209, control panel;210, temperature sensor;211, pressure relief valve;212, cooling box;213, support leg;214, water inlet pump;215, spiral cooling pipe;216, water outlet pump. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-6The utility model provides technical scheme: A kind of gas insulation closed ring main unit, including quick cooling mechanism 1, and drain pipe 116 and inlet pipe 117 installed to the outside of quick cooling mechanism 1, the outside of quick cooling mechanism 1 is provided with ring main unit mechanism 2, and the side of ring main unit mechanism 2 is provided with cooling box 212, quick cooling mechanism 1 includes air cooling box 101 and water cooling box 102, the top center position of water cooling box 102 is fixedly installed with worm guard cover 103, the inside one side of water cooling box 102 top near worm guard cover 103 is symmetrically installed with rotating support 104, wherein, rotating support 104 is fixedly installed with rotating motor 105 outside, and the output of rotating motor 105 is fixedly connected with rotating worm 106, wherein, the side of rotating worm 106 is engagedly connected with rotating worm wheel 107, and rotating worm wheel 107 is rotatably connected with water cooling box 102, and the inside of rotating worm wheel 107 is fixedly installed with first rotating pipe 108, and chain wheel transmission assembly 109 is fixedly installed with the outside of first rotating pipe 108, chain wheel limiting cover 110 is provided with the outside of chain wheel transmission assembly 109, second rotating pipe 113 is fixedly installed with the side of chain wheel transmission assembly 109 far from first rotating pipe 108 in the inside, and the top rotatably connected with exhaust pump 111 of first rotating pipe 108, and the top rotatably connected with exhaust pump 112 of second rotating pipe 113, and chain wheel limiting cover 110 is fixedly connected with exhaust pump 111 and exhaust pump 112 respectively, and the bottom of first rotating pipe 108 and second rotating pipe 113 is fixedly connected with helical rotating pipe 114, and the bottom of two helical rotating pipes 114 is rotatably connected with connecting pipe 115, and connecting pipe 115 is fixedly installed in the inside of air cooling box 101 and water cooling box 102, and drain pipe 116 and inlet pipe 117 are fixedly installed in the top one side and bottom one side of water cooling box 102 respectively, and the both sides of air cooling box 101 are fixedly installed with air cooling frame 118, and dust screen 119 is fixedly installed at the end of air cooling frame 118, and fan bracket 120 is fixedly installed in the inside of air cooling frame 118, and heat dissipation fan 121 is fixedly installed at the end of fan bracket 120, and a plurality of protective louvers 122 are rotatably connected with the side of air cooling frame 118 far from dust screen 119, insulating gas is air cooled and water cooled using air cooling box 101 and water cooling box 102, pass through the combination of two kinds of cooling methods, to improve the cooling effect of insulating gas, it is convenient to the quick cooling of ring main unit, through starting rotating motor 105 drives rotating worm 106 to rotate, using the characteristics that rotating worm 106 and rotating worm wheel 107 are engagedly connected, make rotating worm wheel 107 drive first rotating pipe 108 and chain wheel transmission assembly 109 rotate, simultaneously chain wheel transmission assembly 109 drive second rotating pipe 113 rotate, using first rotating pipe 108 and second rotating pipe 113 can realize the rotation of helical rotating pipe 114, high-temperature insulating gas is pumped into the inside of air cooling box 101 and water cooling box 102 respectively by exhaust pump 111, to realize the quick cooling of high-temperature insulating gas.

[0031] The ring main unit mechanism 2 comprises a ring main unit body 201, a partition plate 202 is fixedly installed inside the ring main unit body 201, a gas insulation closed room 203 and a cooling room 204 are respectively arranged at the top and bottom of the ring main unit body 201 close to the partition plate 202, the air cooling box 101 and the water cooling box 102 are both fixedly installed inside the cooling room 204, the sealing plates 205 are fixedly installed on the outer sides of the ring main unit body 201 close to the gas insulation closed room 203 and the cooling room 204, the heat dissipation fins 206 are fixedly installed on the top of the ring main unit body 201 close to the gas insulation closed room 203, the installation grooves 207 are symmetrically arranged inside the cooling room 204, the installation bottom plate 208 is fixedly installed on the bottom of the ring main unit body 201, the control panel 209 is fixedly installed on the outer side of the ring main unit body 201, the temperature sensor 210 is fixedly installed inside the ring main unit body 201 close to the gas insulation closed room 203, the pressure relief valve 211 is fixedly installed on one side of the top of the ring main unit body 201 close to the gas insulation closed room 203, the supporting legs 213 are fixedly installed around the bottom of the cooling box 212, the water inlet pump 214 is fixedly installed on one side of the bottom of the cooling box 212, the spiral cooling pipe 215 is fixedly installed on the end of the water inlet pump 214, the water outlet pump 216 is fixedly installed on the end of the spiral cooling pipe 215, the water inlet pump 214 is fixedly connected with the water inlet pipe 117, the water outlet pump 216 is fixedly connected with the water outlet pipe 116, the inside of the ring main unit body 201 is separated into the gas insulation closed room 203 and the cooling room 204 by the partition plate 202, the gas insulation closed room 203 is used for installing electrical equipment and is filled with insulation gas, the electrical equipment is rapidly cooled by the insulation gas, the heat absorption effect of the heat dissipation fins 206 is used for preliminary cooling of the gas insulation closed room 203, the temperature inside the gas insulation closed room 203 is detected by the temperature sensor 210, and the working of the air suction pump 111, the air exhaust pump 112, the rotating motor 105, the water inlet pump 214 and the water outlet pump 216 is controlled by the control panel 209, so that the purpose of rapid cooling is achieved.

[0032] Working principle: before using the gas insulation closed ring main unit, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 - Figure 6As shown, first, the inner part of the ring main unit body 201 is separated into a gas insulation closed chamber 203 and a cooling chamber 204 by the partition plate 202, the gas insulation closed chamber 203 is used for installing electrical equipment, and the inside is filled with insulation gas, the electrical equipment is quickly cooled by the insulation gas, the heat absorption effect of the heat dissipation fin 206 is used for preliminary cooling of the gas insulation closed chamber 203, at the same time, the temperature sensor 210 is used for detecting the temperature inside the gas insulation closed chamber 203, and the control panel 209 is used for controlling the working of the air pump 111, the exhaust pump 112, the rotating motor 105, the water inlet pump 214 and the water outlet pump 216, so as to realize the purpose of rapid cooling, secondly, the air-cooled box 101 and the water-cooled box 102 are used for air cooling and water cooling of the insulation gas, the cooling effect of the insulation gas is improved by combining the two cooling methods, so as to facilitate the rapid cooling of the ring main unit, the rotating motor 105 is started to drive the rotating worm 106 to rotate, the rotating worm 106 and the rotating worm wheel 107 are engaged and connected, the rotating worm wheel 107 drives the first rotating pipe 108 and the chain wheel transmission assembly 109 to rotate, at the same time, the chain wheel transmission assembly 109 drives the second rotating pipe 113 to rotate, the first rotating pipe 108 and the second rotating pipe 113 can realize the rotation of the spiral rotating pipe 114, the high-temperature insulation gas is pumped into the air-cooled box 101 and the water-cooled box 102 by the air pump 111, so as to realize the rapid cooling of the high-temperature insulation gas.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gas-insulated enclosed ring main unit, comprising a rapid cooling mechanism (1), and a drain pipe (116) and a water inlet pipe (117) installed on the outside of the rapid cooling mechanism (1). A ring network cabinet mechanism (2) is provided on the outside of the rapid cooling mechanism (1), and a cooling box (212) is provided on one side of the ring network cabinet mechanism (2). Its features are, Also includes: The rapid cooling mechanism (1) includes an air-cooled box (101) and a water-cooled box (102). A worm gear protective cover (103) is fixedly installed at the top center of the water-cooled box (102). A rotating bracket (104) is symmetrically installed on the top of the water-cooled box (102) near the inside of the worm gear protective cover (103). Among them, a rotating motor (105) is fixedly installed on the outside of the rotating bracket (104), and a rotating worm (106) is fixedly connected to the output end of the rotating motor (105). Among them, a rotating worm gear (107) is meshed with one side of the rotating worm (106), the rotating worm gear (107) is rotatably connected to the water cooling box (102), and a first rotating tube (108) is fixedly installed inside the rotating worm gear (107).

2. The gas-insulated enclosed ring main unit according to claim 1, characterized in that: A sprocket drive assembly (109) is fixedly installed on the outside of the first rotating tube (108). A sprocket limiting cover (110) is provided on the outside of the sprocket drive assembly (109). A second rotating tube (113) is fixedly installed on the side of the sprocket drive assembly (109) away from the first rotating tube (108). A vacuum pump (111) is rotatably connected to the top of the first rotating tube (108). An exhaust pump (112) is rotatably connected to the top of the second rotating tube (113). The sprocket limiting cover (110) is fixedly connected to the vacuum pump (111) and the exhaust pump (112) respectively.

3. The gas-insulated enclosed ring main unit according to claim 2, characterized in that: The bottom of the first rotating tube (108) and the second rotating tube (113) are both fixedly connected to a spiral rotating tube (114), and the bottom of the two spiral rotating tubes (114) are rotatably connected to a connecting tube (115). The connecting tube (115) is fixedly installed inside the air-cooled box (101) and the water-cooled box (102). The drain pipe (116) and the water inlet pipe (117) are respectively fixedly installed on the top side and the bottom side of the water-cooled box (102).

4. A gas-insulated enclosed ring main unit according to claim 3, characterized in that: Air-cooled boxes (101) are fixedly installed on both sides with air-cooled frames (118), and dustproof nets (119) are fixedly installed at the ends of the air-cooled frames (118). Fan brackets (120) are fixedly installed inside the air-cooled frames (118), and cooling fans (121) are fixedly installed at the ends of the fan brackets (120). Several protective louvers (122) are rotatably connected to the side of the air-cooled frames (118) away from the dustproof nets (119).

5. A gas-insulated enclosed ring main unit according to claim 1, characterized in that: The ring main unit (2) includes a ring main unit body (201). A partition plate (202) is fixedly installed inside the ring main unit body (201). A gas-insulated sealed chamber (203) and a cooling chamber (204) are respectively opened at the top and bottom of the ring main unit body (201) near the partition plate (202). The air-cooled box (101) and the water-cooled box (102) are both fixedly installed inside the cooling chamber (204). A sealing plate (205) is fixedly installed on the outside of the ring main unit body (201) near the gas-insulated sealed chamber (203) and the cooling chamber (204).

6. A gas-insulated enclosed ring main unit according to claim 5, characterized in that: The ring main unit (201) is fixedly equipped with heat dissipation fins (206) near the top of the gas-insulated sealed chamber (203). The cooling chamber (204) is symmetrically provided with mounting slots (207). The bottom of the ring main unit (201) is fixedly equipped with a mounting base plate (208). The outside of the ring main unit (201) is fixedly equipped with a control panel (209). The inside of the ring main unit (201) near the gas-insulated sealed chamber (203) is fixedly equipped with a temperature sensor (210). The top side of the ring main unit (201) near the top of the gas-insulated sealed chamber (203) is fixedly equipped with a pressure relief valve (211).

7. A gas-insulated enclosed ring main unit according to claim 6, characterized in that: Support legs (213) are fixedly installed around the bottom of the cooling box (212). A water inlet pump (214) is fixedly installed on one side of the bottom of the cooling box (212). A spiral cooling pipe (215) is fixedly installed at the end of the water inlet pump (214). A water outlet pump (216) is fixedly installed at the end of the spiral cooling pipe (215). The water inlet pump (214) is fixedly connected to the water inlet pipe (117). The water outlet pump (216) is fixedly connected to the drain pipe (116).

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