CN109217144A - A kind of vacuum ring main unit - Google Patents

A kind of vacuum ring main unit Download PDF

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Publication number
CN109217144A
CN109217144A CN201811115998.4A CN201811115998A CN109217144A CN 109217144 A CN109217144 A CN 109217144A CN 201811115998 A CN201811115998 A CN 201811115998A CN 109217144 A CN109217144 A CN 109217144A
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CN
China
Prior art keywords
fixed
vacuum
external shell
hinge
main unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201811115998.4A
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Chinese (zh)
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CN109217144B (en
Inventor
陈二东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG HENGDONG INDUSTRY GROUP Co.,Ltd.
Original Assignee
陈二东
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Priority to CN201811115998.4A priority Critical patent/CN109217144B/en
Publication of CN109217144A publication Critical patent/CN109217144A/en
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Publication of CN109217144B publication Critical patent/CN109217144B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54Anti-seismic devices or installations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangements of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle

Abstract

The present invention relates to ring network cabinet technical fields, specially a kind of vacuum ring main unit, including cabinet body, external shell, vacuum pump, placement plate, handle fixation device, control panel, case in ring network cabinet, heat up layer, radiate buffer layer, hygrosensor and hygrosensor, the inside of cabinet body is successively fixed with external shell from the outside to the core, radiate buffer layer, case in layer and the ring network cabinet of heating up, the rear face Liang Ge in external shell is connected with each other by hinge, the center of hinge is fixed with hinge axis, hinge fixed screw holes are fixed on the leaf of hinge on the both sides of hinge axis, the outside of external shell, which is fixed on temperature display panel, is fixed with temperature display panel and humidity display panel, operation button is fixed with below temperature display panel and humidity display panel, the inside of heat dissipation buffer layer is fixed with buffer spring, the present invention The temperature of case in adjustable ring network cabinet, and there are better shockproof properties.

Description

A kind of vacuum ring main unit
Technical field
The present invention relates to ring network cabinet technical field, specially a kind of vacuum ring main unit.
Background technique
Ring network cabinet is that one group of transmission & distribution electrical equipment is mounted in metal or non-metallic insulation cabinet body or is made into assembled compartment ring The electrical equipment of net power supply unit, core use load switch and fuse, simple, the small in size, price with structure It is low, the advantages that power supply parameter and performance and power supply safety can be improved.It is widely used in Urban Residential District, high level is built It builds, in the power distribution station and box-type substation of load centers such as large public building, factory and enterprise.
Previous ring network cabinet, during prolonged use, the internal temperature of ring network cabinet can be with the hair of electronic component Heat causes internal temperature to increase, and can shorten the service life of electric elements inside for a long time, meanwhile, the temperature inside ring network cabinet cannot It lowers, and traditional ring network cabinet does not have good precautions against earthquakes, in consideration of it, the present invention provides a kind of vacuum ring main unit, tool There are following characteristics:
(1) a kind of vacuum ring main unit provided by the invention is arranged heating wire in heating layer by setting and is radiating Heating wire is set in buffer layer, can be adjusted by the temperature near case in outer bound pair ring network cabinet, to influence looped network Temperature in cabinet in case, so that temperature is constant more when in use for device, it is safer.
(2) a kind of vacuum ring main unit provided by the invention is provided with idler wheel by the outside in external shell, increases dress The locomotivity set, and spring is provided in the idler wheel protecting box above idler wheel, it is transported equipment progress side was fallen When defeated and normally establish during, have better shockproof effect, heat dissipation buffer layer in be also provided with buffer spring, So that device more impact resistance, and hygrosensor and hygrosensor, hygrosensor and humidity are internally provided in equipment Temperature and humidity signal is transmitted on temperature display panel and humidity display panel by detector by signal transmission pipeline, is convenient for The observation of operator, if temperature and humidity has exceeded preset value range, temperature alarm and humidity alarm can issue police Report, improves the overall security of equipment.
Summary of the invention
The purpose of the present invention is to provide a kind of vacuum ring main units, heating wire are arranged in heating layer and in heat dissipation buffer layer Interior setting heating wire can be adjusted, to influence case in ring network cabinet by the temperature near case in outer bound pair ring network cabinet Interior temperature, so that temperature is constant more when in use for device, it is safer, rolling is provided with by the outside in external shell Wheel, increases the locomotivity of device, and spring is provided in the idler wheel protecting box above idler wheel, and equipment is being carried out side During falling when being transported and normally establishing, there is better shockproof effect, is also provided in heat dissipation buffer layer Buffer spring, so that device more impact resistance, and it is internally provided with hygrosensor and hygrosensor in equipment, temperature is visited It surveys device and hygrosensor and temperature and humidity signal is transmitted to by temperature display panel and humidity display by signal transmission pipeline On panel, convenient for the observation of operator, if temperature and humidity has exceeded preset value range, temperature alarm and humidity alarm Device can sound an alarm, and improve the overall security of equipment.
To achieve the above object, the invention provides the following technical scheme: a kind of vacuum ring main unit, including cabinet body, the cabinet The inside of body be successively fixed with from the outside to the core external shell, heat dissipation buffer layer, heating layer and ring network cabinet in case, the external shell The rear face Liang Ge in body is connected with each other by hinge, and the center of hinge is fixed with hinge axis, the both sides of the hinge axis Hinge fixed screw holes are fixed on leaf of hinge, the hinge fixed screw holes are fixed by screws on external shell, institute The outside for stating external shell, which is fixed on temperature display panel, is fixed with temperature display panel and humidity display panel, described Operation button is fixed with below temperature display panel and humidity display panel, the inside fixation of the heat dissipation buffer layer is set There is buffer spring, the inside at the back side of the heat dissipation buffer layer is fixed with temperature and adjusts water pipe, and the temperature adjusts water pipe Both ends are each passed through inlet and outlet connection external pipe, and the inside of the heating layer is fixed with heating wire, the electricity Heated filament is electrically connected outside line, be fixed with inside case in the ring network cabinet bus-bar room, control mechanism, main switch, cable vault, Hygrosensor and hygrosensor, the hygrosensor and hygrosensor are respectively connected with signal transmission pipeline.
Specifically, the side of the external shell is fixed with support rod, placement is fixed with above the support rod Plate is fixed with vacuum pump above the placement plate, and the side of the vacuum pump is connected with vacuum pipe, the vacuum pipe It injects in the intracorporal ring network cabinet of cabinet in case, external dig that the vacuum pipe injects the intracorporal part of cabinet has suction hole, described The outside of junction between vacuum pipe and external shell is fixed with gasket, and the outside of the gasket is coated with silicone grease, In order to increase the leakproofness between the vacuum pipe and the external shell, the vacuum pipe is avoided in the process of work Gas leakage.
Specifically, case reeve has signal transmission pipeline in the ring network cabinet, the signal transmission pipeline is fixed with two, In the signal transmission pipeline and ring network cabinet case junction be filled with cement block, the signal transmission pipeline by hygrosensor, Hygrosensor and control panel are attached, in order to realize that hygrosensor and hygrosensor will by signal transmission pipeline Temperature and humidity signal is transmitted on temperature display panel and humidity display panel, convenient for the observation of operator.
Specifically, being threaded with pedestal below the idler wheel protecting box, pedestal end is fixed with axis, and axis transmission connects Idler wheel is connect, idler wheel clamping sheet is fixed with below the idler wheel protecting box, the inside of the idler wheel protecting box is fixed with bullet Spring is provided with spring in the idler wheel protecting box in order to increase the locomotivity of device, and above idler wheel, equipment is being carried out side During face was fallen when being transported and normally established, there is better shockproof effect, is also set in heat dissipation buffer layer Buffer spring is set, so that the lower section of cabinet body described in device more impact resistance and a side of cabinet body are fixed with idler wheel guarantor Protect box.
Specifically, it is easily installed mounting box disassembly, and it is convenient to overhaul convenient for opening external shell, in the external shell The rear face Liang Ge is attached by door lock, is fixed with handle fixation device outside the rear panel in the external shell, described It is fixed with keyhole below handle fixation device, handle, the handle are fixed with above the handle fixation device It is fixed at the top of keyhole.
Specifically, temperature alarm and humidity alarm are fixed with above the external shell, the temperature alarming Device and humidity alarm are electrically connected control panel, in order to realize that hygrosensor and hygrosensor pass through signal transmission pipeline Temperature and humidity signal is transmitted on temperature display panel and humidity display panel, convenient for the observation of operator, if temperature Preset value range is had exceeded with humidity, temperature alarm and humidity alarm can sound an alarm, and improve the whole peace of equipment Quan Xing.
Specifically, being fixed with heating wire switch on the back side of the external shell, the heating wire switch is electrically connected Outside line, in order to which heating wire, Ke Yitong is arranged by the setting heating wire in heating layer of setting and in heat dissipation buffer layer It crosses the temperature in outer bound pair ring network cabinet near case to be adjusted, so that the temperature in ring network cabinet in case is influenced, so that dress It is constant to set temperature more when in use, it is safer.
Specifically, being easily installed and dismantling the support rod, the support rod is L-type, and the support rod is multi-segment structure.
Specifically, the other side of the vacuum pump is connected with outlet in order to realize that the vacuum pump air can be discharged Pipeline.
Compared with prior art, beneficial effects of the present invention are as follows:
(1) a kind of vacuum ring main unit provided by the invention is arranged heating wire in heating layer by setting and is radiating Heating wire is set in buffer layer, can be adjusted by the temperature near case in outer bound pair ring network cabinet, to influence looped network Temperature in cabinet in case, so that temperature is constant more when in use for device, it is safer.
(2) a kind of vacuum ring main unit provided by the invention is provided with idler wheel by the outside in external shell, increases dress The locomotivity set, and spring is provided in the idler wheel protecting box above idler wheel, it is transported equipment progress side was fallen When defeated and normally establish during, have better shockproof effect, heat dissipation buffer layer in be also provided with buffer spring, So that device more impact resistance, and hygrosensor and hygrosensor, hygrosensor and humidity are internally provided in equipment Temperature and humidity signal is transmitted on temperature display panel and humidity display panel by detector by signal transmission pipeline, is convenient for The observation of operator, if temperature and humidity has exceeded preset value range, temperature alarm and humidity alarm can issue police Report, improves the overall security of equipment.
Detailed description of the invention
Fig. 1 is a kind of vacuum ring main unit positive structure schematic of the present invention;
Fig. 2 is a kind of vacuum ring main unit structure schematic diagram of the present invention;
Fig. 3 is the structural schematic diagram inside a kind of vacuum ring main unit of the present invention;
Fig. 4 is the structural schematic diagram of heating layer in a kind of vacuum ring main unit of the present invention;
Fig. 5 is the structural schematic diagram of heat dissipation buffer layer in a kind of vacuum ring main unit of the present invention;
Fig. 6 is the structural schematic diagram of case in ring network cabinet in a kind of vacuum ring main unit of the present invention;
Fig. 7 is case schematic diagram of internal structure in ring network cabinet in a kind of vacuum ring main unit of the present invention;
Fig. 8 is the structural schematic diagram of idler wheel protecting box and idler wheel in a kind of vacuum ring main unit of the present invention;
Fig. 9 is the structural schematic diagram of vacuum pipe in a kind of vacuum ring main unit of the present invention.
In figure: 1, cabinet body;2, leaf of hinge;3, hinge fixed screw holes;4, external shell;5, hinge axis;6, gasket;7, Vacuum pipe;8, vacuum pump;9, outlet pipe;10, support rod;11, placement plate;12, suction hole;13, heating wire switchs;14, Operation button;15, idler wheel;16, handle;17, keyhole;18, handle fixation device;19, control panel;20, temperature display face Plate;21, humidity display panel;22, temperature alarm;23, humidity alarm;24, case in ring network cabinet;25, heat up layer;26, it dissipates Heat buffered layer;27, heating wire;28, outside line;29, water inlet;30, temperature adjusts water pipe;31, water outlet;32, cement block; 33, signal transmission pipeline;34, bus-bar room;35, control mechanism;36, main switch;37, cable vault;38, idler wheel protecting box;39, bullet Spring;40, idler wheel clamping sheet;41, hygrosensor;42, hygrosensor;43, buffer spring.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that Like that, without departing from the spirit or scope of the present invention, described embodiment can be modified by various different modes. Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
Fig. 1-9 is please referred to, the present invention provides a kind of vacuum ring main unit, including cabinet body 1, and the inside of the cabinet body 1 is certainly export-oriented It is inside successively fixed with external shell 4, heat dissipation buffer layer 26, case 24 in heating layer 25 and ring network cabinet, in the external shell 4 The rear face Liang Ge is connected with each other by hinge, and the center of hinge is fixed with hinge axis 5, the hinge on the both sides of the hinge axis 5 Hinge fixed screw holes 3 are fixed on piece 2, the hinge fixed screw holes 3 are fixed by screws on external shell 4, institute The outside for stating external shell 4, which is fixed on temperature display panel 20, is fixed with temperature display panel 20 and humidity display panel 21, the lower section of the temperature display panel 20 and humidity display panel 21 is fixed with operation button 14, the heat dissipation buffer layer 26 inside is fixed with buffer spring 39, and the inside at the back side of the heat dissipation buffer layer 26 is fixed with temperature and adjusts water pipe 30, the both ends that the temperature adjusts water pipe 30 are each passed through water inlet 29 and water outlet 31 connects external pipe, the heating layer 25 inside is fixed with heating wire 27, and the heating wire 27 is electrically connected outside line 28, in the ring network cabinet inside case 24 It is fixed with bus-bar room 34, control mechanism 35, main switch 36, cable vault 37, hygrosensor 41 and hygrosensor 42, it is described Hygrosensor 41 and hygrosensor 42 are respectively connected with signal transmission pipeline 33.
The side of the external shell 4 is fixed with support rod 10, and the top of the support rod 10 is fixed with placement plate 11, the top of the placement plate 11 is fixed with vacuum pump 8, and the side of the vacuum pump 8 is connected with vacuum pipe 7, described true Vacant duct 7 injects in the ring network cabinet in cabinet body 1 in case 24, and external dig for the part that the vacuum pipe 7 injects in cabinet body 1 has Suction hole 12, the outside of the junction between the vacuum pipe 7 and external shell 4 are fixed with gasket 6, the gasket 6 outside is coated with silicone grease, can be adjusted by the temperature near case in outer bound pair ring network cabinet, to influence in ring network cabinet Temperature in case, the reeve of case 24 has signal transmission pipeline 33 in the ring network cabinet, and the signal transmission pipeline 33 is fixed with two Root, 24 junction of case is filled with cement block 32 in the signal transmission pipeline 33 and ring network cabinet, and the signal transmission pipeline 33 will Hygrosensor 41, hygrosensor 42 and control panel 19 are connected, and one of the lower section of the cabinet body 1 and cabinet body 1 Side is fixed with idler wheel protecting box 38, and the lower section of the idler wheel protecting box 38 is threaded with pedestal, and pedestal end is fixed Equipped with axis, axis transmission connection idler wheel 15, the lower section of the idler wheel protecting box 38 is fixed with idler wheel clamping sheet 40, and the idler wheel is protected Shield box 38 inside be fixed with spring 39, by equipment progress side fell transported when and normally establish during, There is better shockproof effect, the rear face Liang Ge in the external shell 4 is attached by door lock, the external shell It is fixed with handle fixation device 18 outside rear panel in body 4, the lower section of the handle fixation device 18 is fixed with keyhole 17, the top of the handle fixation device 18 is fixed with handle 16, and the handle 16 is fixed at the top of keyhole 17, The top of the external shell 4 is fixed with temperature alarm 22 and humidity alarm 23, the temperature alarm 22 and humidity Alarm 23 is electrically connected control panel 19, is fixed with heating wire switch 13, the electric heating on the back side of the external shell 4 Silk switch 13 is electrically connected outside line 28, and the support rod 10 is L-type, and the support rod 10 is multi-segment structure, the vacuum The other side of pump 8 is connected with outlet pipe 9, and silicone grease also has good thermal diffusivity, can reduce the temperature of equipment, cement block 32 It is a kind of material of good airproof performance, spring 39 increases the shockproof properties of equipment, and the design of door lock can be convenient opening equipment, Internal unit is repaired, the multistage design of support rod 10 can effectively increase support point and seating surface.
Working principle: being arranged heating wire 27 in heating layer 25 and heating wire 27 is arranged in heat dissipation buffer layer 26, can be with It is adjusted by the temperature near case 24 in outer bound pair ring network cabinet, so that the temperature in ring network cabinet in case 24 is influenced, thus So that temperature is constant more when in use for device, and it is safer, by being provided with idler wheel 15 in the outside of external shell 4, increase The locomotivity of device, and spring 39 is provided in the idler wheel protecting box 38 above idler wheel 15, it is put by equipment progress side During establishing when pouring row transport into and normally, there is better shockproof effect, is also provided in heat dissipation buffer layer 26 Buffer spring 43, so that device more impact resistance, and in equipment it is internally provided with hygrosensor 41 and hygrosensor 42, Temperature and humidity signal is transmitted to temperature display face by signal transmission pipeline 33 by hygrosensor 41 and hygrosensor 42 On plate 20 and humidity display panel 21, convenient for the observation of operator, if temperature and humidity has exceeded preset value range, temperature Alarm 22 and humidity alarm 23 can sound an alarm, and improve the overall security of equipment.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the description in above embodiment and specification only illustrates the present invention Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and Improvement is both fallen in the scope of protection of present invention.The claimed scope of the invention is by appended claims and its equivalent Object defines.

Claims (9)

1. a kind of vacuum ring main unit, including cabinet body (1), which is characterized in that the inside of the cabinet body (1) is successively fixed from the outside to the core It equipped with external shell (4), radiates buffer layer (26), case (24) in heating layer (25) and ring network cabinet, in the external shell (4) The rear face Liang Ge is connected with each other by hinge, and the center of hinge is fixed with hinge axis (5), the both sides of the hinge axis (5) It is fixed on leaf of hinge (2) hinge fixed screw holes (3), the hinge fixed screw holes (3) are fixed by screws in outside On shell (4), the outside of the external shell (4) is fixed on temperature display panel (20) and is fixed with temperature display panel (20) and humidity display panel (21), behaviour is fixed with below the temperature display panel (20) and humidity display panel (21) Make button (14), the inside of heat dissipation buffer layer (26) is fixed with buffer spring (39), the heat dissipation buffer layer (26) The inside at the back side be fixed with temperature and adjust water pipe (30), the both ends that the temperature adjusts water pipe (30) are each passed through water inlet (29) and water outlet (31) connects external pipe, and the inside of heating layer (25) is fixed with heating wire (27), the electric heating Silk (27) is electrically connected outside line (28), is fixed with bus-bar room (34), control mechanism inside case (24) in the ring network cabinet (35), main switch (36), cable vault (37), hygrosensor (41) and hygrosensor (42), the hygrosensor (41) Signal transmission pipeline (33) are respectively connected with hygrosensor (42).
2. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the side of the external shell (4) is fixed It equipped with support rod (10), is fixed with placement plate (11) above the support rod (10), the top of the placement plate (11) is solid Surely vacuum pump (8) are equipped with, the side of the vacuum pump (8) is connected with vacuum pipe (7), and the vacuum pipe (7) injects cabinet body (1) in the ring network cabinet in case (24), external dig for the part that the vacuum pipe (7) is injected in cabinet body (1) has suction hole (12), the outside of the junction between the vacuum pipe (7) and external shell (4) is fixed with gasket (6), the sealing The outside of pad (6) is coated with silicone grease.
3. a kind of vacuum ring main unit according to claim 1, it is characterised in that: case (24) reeve has letter in the ring network cabinet Number transmission pipeline (33), the signal transmission pipeline (33) are equipped with two, case in the signal transmission pipeline (33) and ring network cabinet (24) junction is filled with cement block (32), and the signal transmission pipeline (33) is by hygrosensor (41), hygrosensor (42) it is attached with control panel (19).
4. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the lower section of the cabinet body (1) and cabinet body (1) A side be fixed with idler wheel protecting box (38), be threaded with pedestal, axis below the idler wheel protecting box (38) Frame end is fixed with axis, and axis is sequentially connected idler wheel (15), is fixed with idler wheel clamping below the idler wheel protecting box (38) The inside of piece (40), the idler wheel protecting box (38) is fixed with spring (39).
5. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the rear two in the external shell (4) A face is attached by door lock, is fixed with handle fixation device (18) outside the rear panel in the external shell (4), described It is fixed with below handle fixation device (18) keyhole (17), is fixed with handle above the handle fixation device (18) Hand (16), the handle (16) are fixed at the top of keyhole (17).
6. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the top of the external shell (4) is fixed Equipped with temperature alarm (22) and humidity alarm (23), the temperature alarm (22) and humidity alarm (23) are electrically connected Control panel (19).
7. a kind of vacuum ring main unit according to claim 1, it is characterised in that: solid on the back side of the external shell (4) Surely it is equipped with heating wire switch (13), the heating wire switch (13) is electrically connected outside line (28).
8. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the support rod (10) is L-type, the branch Strut (10) is multi-segment structure.
9. a kind of vacuum ring main unit according to claim 1, it is characterised in that: the other side of the vacuum pump (8) connects There are outlet pipe (9).
CN201811115998.4A 2018-09-25 2018-09-25 Vacuum ring main unit Active CN109217144B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811115998.4A CN109217144B (en) 2018-09-25 2018-09-25 Vacuum ring main unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811115998.4A CN109217144B (en) 2018-09-25 2018-09-25 Vacuum ring main unit

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CN109217144A true CN109217144A (en) 2019-01-15
CN109217144B CN109217144B (en) 2020-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112366582A (en) * 2020-11-30 2021-02-12 广东电网有限责任公司 Stable ring main unit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204376199U (en) * 2014-12-31 2015-06-03 南通源瑞电子有限公司 A kind of constant temperature and humidity vacuum distribution control box
CN204558959U (en) * 2015-04-15 2015-08-12 国家电网公司 A kind of ring main unit
CN204696516U (en) * 2015-06-17 2015-10-07 傅映林 A kind of intelligent type low-voltage ring main unit
CN204947396U (en) * 2015-09-18 2016-01-06 张辉 The heat dissipation type regulator cubicle that a kind of electric automatization controls
CN205646544U (en) * 2016-03-21 2016-10-12 江苏仁安高新技术有限公司 Move high -efficient cooling switch board of environmental protection that takes precautions against earthquakes
CN206498118U (en) * 2017-01-06 2017-09-15 天津市俊达新源电气设备有限公司 A kind of outdoor electrical switchgear

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204376199U (en) * 2014-12-31 2015-06-03 南通源瑞电子有限公司 A kind of constant temperature and humidity vacuum distribution control box
CN204558959U (en) * 2015-04-15 2015-08-12 国家电网公司 A kind of ring main unit
CN204696516U (en) * 2015-06-17 2015-10-07 傅映林 A kind of intelligent type low-voltage ring main unit
CN204947396U (en) * 2015-09-18 2016-01-06 张辉 The heat dissipation type regulator cubicle that a kind of electric automatization controls
CN205646544U (en) * 2016-03-21 2016-10-12 江苏仁安高新技术有限公司 Move high -efficient cooling switch board of environmental protection that takes precautions against earthquakes
CN206498118U (en) * 2017-01-06 2017-09-15 天津市俊达新源电气设备有限公司 A kind of outdoor electrical switchgear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112366582A (en) * 2020-11-30 2021-02-12 广东电网有限责任公司 Stable ring main unit

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Effective date of registration: 20200720

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