CN207686953U - A kind of vacuum pump vacuumizes valve-closing device when failure - Google Patents
A kind of vacuum pump vacuumizes valve-closing device when failure Download PDFInfo
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- CN207686953U CN207686953U CN201721908682.1U CN201721908682U CN207686953U CN 207686953 U CN207686953 U CN 207686953U CN 201721908682 U CN201721908682 U CN 201721908682U CN 207686953 U CN207686953 U CN 207686953U
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- valve
- vacuum pump
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- air
- pneumatic actuator
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Abstract
Valve-closing device when failure is vacuumized the utility model discloses a kind of vacuum pump, is related to a kind of valve.Existing main transformer vacuum extractor encounter emergency often can suck-back air or sundries enter body equipment.The utility model includes pneumatic actuator, check valves, block valve, vacuum lead, air compressed pipe, check valves and block valve are sequentially connected to vaccum-pumping equipment direction on vacuum lead since vacuum pump one end, pneumatic actuator is connect with ball valve, and pneumatic actuator is equipped with air filter, signal return device and electromagnetic switch；Air compressor is connected between air filter and air compressor by air compressed pipe, and signal return device and electromagnetic switch are electrically connected with vacuum pump.The technical program is realized prevents the event of suck-back air pumpback vacuum equipment from occurring in emergency, substantially increases device security, has saved time manpower, realizes full-automatic pass valve, safe, simple and reliable for structure.
Description
Technical field
The utility model is related to a kind of valve, especially a kind of vacuum pump vacuumizes valve-closing device when failure.
Background technology
Because of the progress in epoch, GIS（HGIS）Substation will become mainstream, and conventional substation also will be after transformation
Intelligent transformer station.The main transformer or primary equipment of substation（GIS combination electric appliance equipment）It, will when installation or maintenance defect elimination
This procedure of experience equipment vacuumize process, it is high to the vacuum degree in equipment during the installation process.Then, during vacuumizing not
Specified value is reached to prevent that the termination of pumping phenomenon of vacuum pump occurs.Existing main transformer vacuum extractor be substantially no solenoid valve or
Some vacuum pumps have solenoid valve but can not completely closed states.It can lead to suck-back air or sundries when encountering emergency
Into body equipment.
Invention content
The technical problems to be solved in the utility model and the technical assignment of proposition be to prior art carry out improve with
It improves, valve-closing device when a kind of vacuum pump vacuumizes failure is provided, to prevent suck-back air as mesh in emergency
's.For this purpose, the utility model takes following technical scheme.
A kind of vacuum pump vacuumizes valve-closing device when failure, including pneumatic actuator, check valves, block valve, pumping
Vacuum pipe, air compressed pipe, the check valves and block valve since vacuum pump one end to vaccum-pumping equipment direction successively
It is connected on vacuum lead, the pneumatic actuator is connect with ball valve, and the pneumatic actuator is equipped with air filtration
Device, signal return device and electromagnetic switch；Air compressor passes through air pressure between the air filter and air compressor
The draw connects, and the signal return device and electromagnetic switch are electrically connected with vacuum pump.
When vacuum-pump power supply is connected, the air compressor of vacuum pump stores energy to work immediately, by air
Compressed pipe reaches pneumatic actuator, and electromagnetic switch power supply, the signal return device power supply of pneumatic actuator are connected to vaccum pump motor
On power supply, when vacuum pump startup, electromagnetic switch, ball valve, check valves open simultaneously, and machine starts to run well, once machine goes out
Line failure or sudden power-off, pneumatic actuator complete valve-closing within the extremely short time, realize in emergency
Prevent the event of suck-back air pumpback vacuum equipment from occurring.
As further improving and supplementing to above-mentioned technical proposal, the utility model further includes that following supplementary technology is special
Sign.
The vacuum pump is equipped with vacuum pump start-stop switch indicating device and pneumatic actuator division instruction device.Pass through
Instruction device, the start-stop of vacuum pump and the division situation of pneumatic actuator are very clear, convenient for observation.
The block valve is ball valve.Ball valve can realize fast opening and closing, open and close the reaction time up to 0.05s.
One end that the vacuum lead is located at vaccum-pumping equipment is equipped with the connecting interface with sealing element.It is taken out convenient for connection
Vacuum equipment simultaneously realizes sealing.
One end that the vacuum lead is located at vaccum-pumping equipment is equipped with manual regulation ball valve.Convenient for blocking air and stream
Amount is adjusted.
Advantageous effect：Realize prevents the event of suck-back air pumpback vacuum equipment from occurring in emergency, carries significantly
High device security, has saved time manpower, realize it is full-automatic close valve, it is safe, it is simple and reliable for structure.
Description of the drawings
Fig. 1 is the utility model structure principle chart.
In figure：1- pneumatic actuators；2- check valves；3- ball valves；4- vacuum pumps；5- vaccum-pumping equipments；6- air compressed pipes；
101- electromagnetic switch；102- signal return devices；103- air filters；401- air compressors；402- pneumatic actuator divisions
Instruction device；403- vacuum pump start-stop switch indicating devices.
Specific implementation mode
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, valve-closing device when a kind of vacuum pump vacuumizes failure, including pneumatic actuator 1, check valves
2, ball valve 3, vacuum lead, air compressed pipe 6, check valves 2 and ball valve 3 are since 4 one end of vacuum pump to 5 side of vaccum-pumping equipment
To being sequentially connected on vacuum lead, pneumatic actuator 1 is connect with ball valve 3, and pneumatic actuator 1 is equipped with air filter
103, signal return device 102 and electromagnetic switch 101；Air compressor 401, between air filter 103 and air compressor 401
It is connected by air compressed pipe 6, signal return device 102 and electromagnetic switch 101 are electrically connected with vacuum pump 4.
For the ease of observation, vacuum pump 4 is equipped with vacuum pump start-stop switch indicating device 403 and pneumatic actuator division refers to
Showing device 402.By instruction device, the start-stop of vacuum pump 4 and the division situation of pneumatic actuator 1 are very clear, convenient for observation.
For the ease of being tightly connected, one end that vacuum lead is located at vaccum-pumping equipment 5 connects equipped with the connection with sealing element
Mouthful.Convenient for connection vaccum-pumping equipment 5 and realize sealing.
For the ease of vacuumizing flow-rate adjustment, one end that vacuum lead is located at vaccum-pumping equipment 5 is equipped with adjusting ball manually
Valve.Convenient for blocking air and flow-rate adjustment.
When 4 power supply of vacuum pump is connected, the air compressor 401 of vacuum pump 4 stores energy to work immediately, passes through
Air compressed pipe 6 reaches pneumatic actuator 1, and 101 power supply of electromagnetic switch of pneumatic actuator 1,102 power supply of signal return device are simultaneously
It is connected on 4 motor power of vacuum pump, when vacuum pump 4 starts, electromagnetic switch 101, ball valve 3, check valves 2 open simultaneously, and machine is opened
Begin to run well, once machine outlet failure or sudden power-off, pneumatic actuator 1 is completed automatically within the time of 0.05s
Valve is closed, realize prevents the event of suck-back air pumpback vacuum equipment 5 from occurring in emergency, substantially increases equipment peace
Quan Xing.
Valve-closing device when a kind of vacuum pump shown in figure 1 above vacuumizes failure is the specific reality of the utility model
Example is applied, the utility model in essence feature and progress have been embodied, needs can be used according to actual, in the utility model
Under enlightenment, the equivalent modifications of shape, structure etc., the row in the protection domain of this programme are carried out to it.
Claims (5)
1. a kind of vacuum pump vacuumizes valve-closing device when failure, it is characterised in that：Including pneumatic actuator（1）, return only
Valve（2）, block valve, vacuum lead, air compressed pipe（6）, the check valves（2）With block valve since vacuum pump one end
To vaccum-pumping equipment（5）Direction is sequentially connected on vacuum lead, the pneumatic actuator（1）With ball valve（3）Connection, institute
The pneumatic actuator stated（1）It is equipped with air filter（103）, signal return device（102）And electromagnetic switch（101）；Air pressure
Contracting machine（401）, the air filter（103）And air compressor（401）Between pass through air compressed pipe（6）Connection, institute
The signal return device stated（102）And electromagnetic switch（101）It is electrically connected with vacuum pump.
2. a kind of vacuum pump according to claim 1 vacuumizes valve-closing device when failure, it is characterised in that：It is described
Vacuum pump be equipped with vacuum pump start-stop switch indicating device and pneumatic actuator division instruction device（402）.
3. a kind of vacuum pump according to claim 1 vacuumizes valve-closing device when failure, it is characterised in that：It is described
Block valve be ball valve（3）.
4. a kind of vacuum pump according to claim 1 vacuumizes valve-closing device when failure, it is characterised in that：It is described
Vacuum lead be located at vaccum-pumping equipment（5）One end be equipped with the connecting interface with sealing element.
5. a kind of vacuum pump according to claim 1 vacuumizes valve-closing device when failure, it is characterised in that：It is described
Vacuum lead be located at vaccum-pumping equipment（5）One end be equipped with manual regulation ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908682.1U CN207686953U (en) | 2017-12-30 | 2017-12-30 | A kind of vacuum pump vacuumizes valve-closing device when failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721908682.1U CN207686953U (en) | 2017-12-30 | 2017-12-30 | A kind of vacuum pump vacuumizes valve-closing device when failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686953U true CN207686953U (en) | 2018-08-03 |
Family
ID=62993866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721908682.1U Active CN207686953U (en) | 2017-12-30 | 2017-12-30 | A kind of vacuum pump vacuumizes valve-closing device when failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043014A (en) * | 2018-10-12 | 2020-04-21 | 青岛海湾精细化工有限公司 | Air compression station system and control method thereof |
| CN111927748A (en) * | 2020-06-19 | 2020-11-13 | 中国科学院微电子研究所 | Gate valve control circuit, vacuum pumping equipment and vacuum chamber |
-
2017
- 2017-12-30 CN CN201721908682.1U patent/CN207686953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043014A (en) * | 2018-10-12 | 2020-04-21 | 青岛海湾精细化工有限公司 | Air compression station system and control method thereof |
| CN111927748A (en) * | 2020-06-19 | 2020-11-13 | 中国科学院微电子研究所 | Gate valve control circuit, vacuum pumping equipment and vacuum chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Ruigen Inventor after: Liu Honglin Inventor after: Huang Xiaoyao Inventor after: Chen Zhe Inventor after: Wu Junli Inventor after: Zhu Jianbo Inventor after: Bao Wenwu Inventor after: Zhou Wenping Inventor after: Jiu Jian Inventor after: Zheng Lujun Inventor before: Zhou Ruigen Inventor before: Zhu Jianbo Inventor before: Bao Wenwu Inventor before: Zhou Wenping Inventor before: Jiu Jian Inventor before: Zheng Lujun Inventor before: Liu Honglin |