CN109217144A - A kind of vacuum ring main unit - Google Patents
A kind of vacuum ring main unit Download PDFInfo
- 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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- 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
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 230000008054 signal transmission Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
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
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).
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109217144A true CN109217144A (en) | 2019-01-15 |
| CN109217144B CN109217144B (en) | 2020-08-14 |
Family
ID=64984953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811115998.4A Active CN109217144B (en) | 2018-09-25 | 2018-09-25 | Vacuum ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109217144B (en) |
Cited By (1)
| 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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2018
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| 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 |
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| 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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| CN109217144B (en) | 2020-08-14 |
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Effective date of registration: 20200720 Address after: 256600 Environmental Protection Building in Binzhou City, Shandong Province, South of Yellow River Sixth Road and West of Bohai Sea Eighteenth Road Applicant after: SHANDONG HENGDONG INDUSTRY GROUP Co.,Ltd. Address before: 518026 Zhengwei Technology (Shenzhen) Co., Ltd. Shennan Avenue 7888 East China Sea International Center Phase I, Block A, 29, Futian District, Shenzhen City, Guangdong Province Applicant before: Chen Erdong |
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