CN112652501A - Sulfur hexafluoride air interchanger - Google Patents
Sulfur hexafluoride air interchanger Download PDFInfo
- Publication number
- CN112652501A CN112652501A CN202011349751.6A CN202011349751A CN112652501A CN 112652501 A CN112652501 A CN 112652501A CN 202011349751 A CN202011349751 A CN 202011349751A CN 112652501 A CN112652501 A CN 112652501A
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- CN
- China
- Prior art keywords
- sulfur hexafluoride
- air
- equipment body
- processing unit
- data processing
- 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.)
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Links
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 36
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims description 3
- 238000009418 renovation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/56—Gas reservoirs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
- H01H33/57—Recuperation of liquid or gas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/161—Indicators for switching condition, e.g. "on" or "off" comprising light emitting elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses sulfur hexafluoride ventilation equipment, which comprises an equipment body, wherein a movable self-locking wheel is arranged at the bottom end of the equipment body, a door body is arranged on the front surface wall of the equipment body, a control panel is arranged at the middle end of the door body, and an indicator lamp is arranged below the control panel; the sulfur hexafluoride air interchanger is provided with the liquid crystal display unit, the MCU data processing unit, the air valve control module, the air pressure sensor and the micro-water content sensor, so that the problems that power is required to be cut off and the air inflation pressure is inaccurate in the conventional manual air interchanging process are solved, the equipment body capable of controlling the air inflation pressure and the residual air pressure after air exhaust without power outage can be realized, and the sulfur hexafluoride air interchanger is wider in application range; through setting up pilot lamp, MCU data processing unit and little water content sensor, but the little water content in the real-time supervision connecting tube and provide demonstration and audible-visual alarm function to operating personnel promptly salvages the renovation, and then has ensured the accuracy of equipment body operation, and the practicality is higher.
Description
Technical Field
The invention relates to the technical field of electrical safety, in particular to sulfur hexafluoride ventilation equipment.
Background
With the development of science and technology and economy, sulfur hexafluoride switches and fully-sealed combined electrical appliances using sulfur hexafluoride gas as an arc extinguishing medium have been widely used in power systems, and are gradually replacing previous multi-oil, less-oil and vacuum circuit breakers. The circuit breaker has the advantages of small volume, light weight, large capacity, complete set assembly, small maintenance amount and the like, which are incomparable with the traditional circuit breaker. Sulfur hexafluoride (sulfur hexafluoride) is an excellent gas dielectric used in high voltage equipment, and has been widely used in electrical equipment such as circuit breakers, GIS, transformers, and the like. In the use of the sulfur hexafluoride which is the protective gas of the high-voltage switch, the existence of SF +4, SF +2, SF +5 and negative ions F-2, F-, SF-, and moisture which are formed after the sulfur hexafluoride is decomposed by electric arcs can block the recombination of decomposed products and the recovery of the medium strength between fractures. The HF and H2SO4 generated by the hydrolysis of the arc decomposition products and sulfur hexafluoride can corrode certain metal objects and insulating parts, and the service life of the high-voltage switch is influenced.
The prior art has the following defects or problems:
1. in order to ensure that the high-voltage switch is in a good use condition, the high-voltage switch needs to be ventilated in the prior art. When the operation of taking a breath is carried out manually in the past, the power failure needs to be carried out, then the ventilation can be carried out, the operation of inflating and exhausting gas pressure is complicated, and the inflating pressure is inaccurate, so that the normal use of the high-voltage switch is influenced.
2. In addition, in the prior art, the micro-water content of sulfur hexafluoride is monitored, the content value of the micro-water content cannot be obtained in real time, the operation and construction accuracy is not high, and the safety also needs to be improved urgently.
Disclosure of Invention
The invention aims to provide sulfur hexafluoride ventilation equipment aiming at the defects in the prior art and solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the sulfur hexafluoride ventilation equipment comprises an equipment body, wherein the bottom end of the equipment body is provided with a movable self-locking wheel, the front surface wall of the equipment body is provided with a door body, the middle end of the door body is provided with a control panel, an indicator light is arranged below the control panel, a liquid crystal display unit is arranged on the front surface wall of the control panel, an MCU data processing unit is arranged in the control panel, an air valve control module is arranged at one side of the MCU data processing unit, a power supply module is arranged on the side of the inner wall of the equipment body, a gas cylinder is arranged on one side of the inside of the equipment body, one end of the gas cylinder is communicated with a connecting pipe, the connecting pipe is sequentially provided with a pressure reducing valve, a barometer, an air inlet power valve, an air pressure sensor, a micro-water content sensor and an exhaust power valve from the right to the left, and the connecting pipe penetrates through the transformer connected with the inside of one side of the equipment body.
As a preferred technical scheme of the invention, the number of the movable self-locking wheels is four, and the movable self-locking wheels are equidistantly distributed at four corners of the bottom end of the equipment body.
As a preferred technical scheme of the invention, the shape of the indicator lights is circular, the number of the indicator lights is a plurality of groups, and the indicator lights are in electric signal connection with the MCU data processing unit.
As a preferred technical scheme of the invention, the power supply module is respectively in conductive connection with the liquid crystal display unit, the MCU data processing unit and the air valve control module.
As a preferred technical scheme of the invention, the MCU data processing unit is respectively connected with the air pressure sensor and the micro water content sensor through electric signals.
As a preferred technical scheme of the invention, the MCU data processing unit is respectively connected with the liquid crystal display unit and the air valve control module through control signals.
As a preferable technical scheme of the invention, the gas valve control module is respectively connected with the control signals of the air inlet power valve and the exhaust power valve.
Compared with the prior art, the invention provides sulfur hexafluoride ventilation equipment, which has the following beneficial effects:
1. the sulfur hexafluoride ventilation equipment is characterized in that a liquid crystal display unit, an MCU data processing unit, an air valve control module, an air pressure sensor and a micro-water content sensor are arranged, when the device body carries out the ventilation work of the transformer, the MCU data processing unit acquires the pressure value of the air pressure sensor in real time and displays the acquired real-time pressure value through the liquid crystal display unit, the collected memorial is compared with the set protection pressure value, the closing of the air inlet power valve and the equipment body is controlled by the air valve control module, and the micro water content sensor detects the micro water content value in the connecting pipe, thereby achieving the purpose of replacing sulfur hexafluoride gas, avoiding the problems of power failure and inaccurate inflation pressure when manual ventilation is carried out in the prior art, therefore, the equipment body capable of controlling the inflation pressure and the residual gas pressure after exhaust without power failure can be realized, and the application range is wider.
2. This sulfur hexafluoride air regenerating device, through setting up the pilot lamp, MCU data processing unit and little water content sensor, when using equipment body work of taking a breath, little water content sensor can the little water content in the real-time supervision connecting tube, and show in the liquid crystal display unit in real time, so that clearly monitor the environment for the user, be favorable to the equipment body to fill the degree of accuracy of taking a breath, simultaneously under the cooperation through pilot lamp and MCU data processing unit, when the interior little water content standard of connecting tube not reach standard, the pilot lamp can effectually remind the little water content monitoring condition of operating personnel, so that operating personnel promptly salvages the renovation, and then ensured the accuracy of equipment body operation, the practicality is higher.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of a control panel according to the present invention;
FIG. 3 is an overall plan sectional view of the present invention;
fig. 4 is a schematic diagram of the system of the present invention.
In the figure: 1. an apparatus body; 2. a mobile self-locking wheel; 3. a door body; 4. a control panel; 5. an indicator light; 6. a liquid crystal display unit; 7. an MCU data processing unit; 8. a gas valve control module; 9. a power supply module; 10. a gas cylinder; 11. a connecting pipe; 12. a pressure reducing valve; 13. a barometer; 14. an intake power valve; 15. an air pressure sensor; 16. a micro water content sensor; 17. an exhaust power valve; 18. a transformer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides sulfur hexafluoride ventilation equipment, which comprises an equipment body 1, wherein a movable self-locking wheel 2 is arranged at the bottom end of the equipment body 1, a door body 3 is arranged on the front surface wall of the equipment body 1, a control panel 4 is arranged at the middle end of the door body 3, an indicator lamp 5 is arranged below the control panel 4, a liquid crystal display unit 6 is arranged on the front surface wall of the control panel 4, an MCU data processing unit 7 is arranged inside the control panel 4, a gas valve control module 8 is arranged on one side of the MCU data processing unit 7, a power supply module 9 is arranged on the side of the inner wall of the equipment body 1, a gas cylinder 10 is arranged on one side inside the equipment body 1, one end of the gas cylinder 10 is communicated with a connecting pipe 11, a pressure reducing valve 12, a gas pressure gauge 13, an air inlet power valve 14, a gas pressure sensor 15, a micro-water, the connection pipe 11 penetrates one side of the apparatus body 1 and is internally connected with a transformer 18.
Specifically, the MCU data processing unit of the indicator light controls an alarm signal so as to remind an operator of the micro water content,
specifically, the number of the self-locking wheels 2 is four, the self-locking wheels 2 are equidistantly distributed at four corners of the bottom end of the equipment body 1, and the self-locking wheels 2 can facilitate the movement of the position of the equipment body 1, so that sulfur hexafluoride ventilation work can be performed in different places; the shape of the indicator light 5 is circular, the number of the indicator lights 5 is a plurality of groups, the indicator lights 5 are in electrical signal connection with the MCU data processing unit 7, and the indicator lights 5 can acquire the MCU data processing unit 7 to control an alarm signal so as to remind an operator of the low standard of the micro water content; the power supply module 9 is respectively in conductive connection with the liquid crystal display unit 6, the MCU data processing unit 7 and the air valve control module 8, and the power supply module 9 can provide the cruising ability of the liquid crystal display unit 6, the MCU data processing unit 7 and the air valve control module 8; the MCU data processing unit 7 is respectively in electric signal connection with the air pressure sensor 15 and the micro water content sensor 16, and the MCU data processing unit 7 can acquire detection signals of the air pressure sensor 15 and the micro water content sensor 16 and carry out analysis and processing; the MCU data processing unit 7 is respectively connected with the liquid crystal display unit 6 and the air valve control module 8 through control signals, the liquid crystal display unit 6 can provide data calculation display for the MCU data processing unit 7, and the MCU data processing unit 7 compares the pressure of the air pressure sensor 15 with a set protection pressure value so as to drive the air valve control module 8 to act; the air valve control module 8 is respectively connected with the control signals of the air inlet power valve 14 and the air outlet power valve 17, and the air valve control module 8 can realize the closing of air inlet and air outlet of the air inlet power valve 14 and the air outlet power valve 17, so that the intellectualization of air exchange work is provided.
When the equipment body 1 is used for carrying out air exchange work of the transformer 18, the MCU data processing unit 7 is used for collecting the pressure value of the air pressure sensor 15 in real time, the collected real-time pressure value is displayed through the liquid crystal display unit 6, the collected memorial is compared with the set protection pressure value, the communication signal is sent through the main control host, then the air valve control module 8 is controlled through the air valve controller, and finally the air inlet power valve 14 is controlled to control the equipment body 1 to be shut down.
Meanwhile, the micro water content sensor 16 detects the micro water content value in the connecting pipe 11, and the micro water content sensor 16 is used for detecting and replacing sulfur hexafluoride gas, so that the purpose of replacing the sulfur hexafluoride gas is achieved, the problems that power is needed to be cut off and the inflation pressure is inaccurate in the conventional manual ventilation are solved, the device body 1 capable of controlling the inflation pressure and the residual gas pressure after exhaust without power cut can be realized, and the application range is wider; when using equipment body 1 work of taking a breath next, little water content sensor 16 can real-time supervision connecting pipe 11 in little water content, and show in liquid crystal display unit 6 in real time, so as to clearly monitor the environment for the user, be favorable to the equipment body 1 to fill the degree of accuracy of taking a breath, simultaneously through under the cooperation of pilot lamp 5 and MCU data processing unit 7, when not reaching standard of little water content standard in connecting pipe 11, pilot lamp 5 can effectually remind the little water content monitoring condition of operating personnel, so that operating personnel's urgent renovation, and then ensured the accuracy of equipment body 1 operation, the practicality is higher. The equipment body 1 is also used for further connecting the equipment body, and meanwhile, the effective reminding of the detection condition of the micro-water content of the operator through the indicating lamp 5 is convenient for clearly detecting the environment
Specifically, the sulfur hexafluoride ventilation equipment further comprises a data returning device; the data returning device is used for returning data when necessary, and particularly, the data returning device is connected with the micro water content sensor.
The data returning device is an NFC communication module.
The data returning device is connected with the cloud server.
In actual use, at the work station, sulfur hexafluoride ventilation equipment passes through the data passback device (can dismantle), and the direct position that corresponds with high in the clouds server takes place the touching, can realize uploading of data, the staff's operation of being convenient for.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sulfur hexafluoride ventilation device is characterized by comprising a device body, wherein a movable self-locking wheel is arranged at the bottom end of the device body, the front surface wall of the equipment body is provided with a door body, the middle end of the door body is provided with a control panel, an indicator light is arranged below the control panel, a liquid crystal display unit is arranged on the front surface wall of the control panel, an MCU data processing unit is arranged in the control panel, an air valve control module is arranged at one side of the MCU data processing unit, a power supply module is arranged on the side of the inner wall of the equipment body, a gas cylinder is arranged on one side of the inside of the equipment body, one end of the gas cylinder is communicated with a connecting pipe, the connecting pipe is sequentially provided with a pressure reducing valve, a barometer, an air inlet power valve, an air pressure sensor, a micro-water content sensor and an exhaust power valve from the right to the left, and the connecting pipe penetrates through the transformer connected with the inside of one side of the equipment body.
2. The sulfur hexafluoride ventilation device recited in claim 1, wherein: the quantity of removing the auto-lock wheel is four groups, and removes the auto-lock wheel equidistance and distributes in four corners of the bottom of equipment body.
3. The sulfur hexafluoride ventilation device of claim 2, wherein: the shape of pilot lamp is circular, and the quantity of pilot lamp is a plurality of groups, pilot lamp and MCU data processing unit electric signal connection.
4. The sulfur hexafluoride ventilation device of claim 3, wherein: and the power supply module is respectively in conductive connection with the liquid crystal display unit, the MCU data processing unit and the air valve control module.
5. The sulfur hexafluoride ventilation device of claim 4, wherein: and the MCU data processing unit is respectively connected with the air pressure sensor and the micro water content sensor through electric signals.
6. The sulfur hexafluoride ventilation device of claim 5, wherein: and the MCU data processing unit is respectively connected with the liquid crystal display unit and the air valve control module through control signals.
7. The sulfur hexafluoride ventilation device of claim 6, wherein: and the air valve control module is respectively connected with the air inlet power valve and the air outlet power valve through signals.
8. The sulfur hexafluoride ventilation device recited in claim 1, wherein: the device also comprises a data returning device;
and the data returning device is connected with the micro water content sensor.
9. The sulfur hexafluoride ventilation device of claim 8, wherein: the data returning device is an NFC communication module.
10. The sulfur hexafluoride ventilation device of claim 8, wherein: the data returning device is connected with the cloud server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349751.6A CN112652501A (en) | 2020-11-26 | 2020-11-26 | Sulfur hexafluoride air interchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011349751.6A CN112652501A (en) | 2020-11-26 | 2020-11-26 | Sulfur hexafluoride air interchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112652501A true CN112652501A (en) | 2021-04-13 |
Family
ID=75349409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011349751.6A Pending CN112652501A (en) | 2020-11-26 | 2020-11-26 | Sulfur hexafluoride air interchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112652501A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201984116U (en) * | 2010-12-24 | 2011-09-21 | 河南省电力公司商丘供电公司 | Comprehensive evaluating device of sulfur hexafluoride electrical equipment |
| CN204717336U (en) * | 2015-04-10 | 2015-10-21 | 国家电网公司 | Intellectual sulfur hexafluoride electric equipment air charging device |
| CN106287207A (en) * | 2016-08-26 | 2017-01-04 | 张振堂 | A kind of sulfur hexafluoride charging device |
| CN208477412U (en) * | 2018-06-29 | 2019-02-05 | 上海乐研电气有限公司 | A kind of making-up air device of SF6 electrical equipment |
-
2020
- 2020-11-26 CN CN202011349751.6A patent/CN112652501A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201984116U (en) * | 2010-12-24 | 2011-09-21 | 河南省电力公司商丘供电公司 | Comprehensive evaluating device of sulfur hexafluoride electrical equipment |
| CN204717336U (en) * | 2015-04-10 | 2015-10-21 | 国家电网公司 | Intellectual sulfur hexafluoride electric equipment air charging device |
| CN106287207A (en) * | 2016-08-26 | 2017-01-04 | 张振堂 | A kind of sulfur hexafluoride charging device |
| CN208477412U (en) * | 2018-06-29 | 2019-02-05 | 上海乐研电气有限公司 | A kind of making-up air device of SF6 electrical equipment |
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Application publication date: 20210413 |
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