CN109973703A - Automatic ventilation system and automatic air interchanger - Google Patents
Automatic ventilation system and automatic air interchanger Download PDFInfo
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- CN109973703A CN109973703A CN201910179612.4A CN201910179612A CN109973703A CN 109973703 A CN109973703 A CN 109973703A CN 201910179612 A CN201910179612 A CN 201910179612A CN 109973703 A CN109973703 A CN 109973703A
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- ventilation system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention provides a kind of automatic ventilation systems, including automatic air interchanger, reaction chamber, air charging system and vacuum evacuation device, automatic air interchanger includes a triple valve and electronic timing device, first valve port of triple valve is connected with reaction chamber by the first tracheae, second valve port of triple valve is connected with vacuum evacuation device by the second tracheae, and the third valve port of triple valve is connected with air charging system by third tracheae；Electronic timing device is electrically connected with triple valve, open and close of the electronic timing device for the first valve port, the second valve port and third valve port of timing controlled triple valve.Automatic ventilation system provided by the invention, automatic air interchanger, reaction chamber, air charging system and vacuum evacuation device can be linked together by using a triple valve and three tracheaes, and then enormously simplify the structure of automatic ventilation system, rate of breakdown is reduced, the stability of experimental result is improved.
Description
Technical field
The invention belongs to automatic air-exchanging technical fields, and in particular to automatic ventilation system and automatic air interchanger.
Background technique
During chemical experiment, the atmosphere of anaerobic plays a crucial role experimental product.And it is taking out
During vacuum, can just oxygen be removed by being evacuated, being filled with after inert gas or several wheels of reaction gas by generally requiring user
It removes.However these operations are required to user's manual operation and carry out.But not only inefficiency, precision are difficult to control for manual operation, and
The result of chemical reaction can be destroyed.
Currently, someone uses a kind of automatic ventilation system, pumping, inflation etc. are controlled respectively using multiple solenoid valves, but
Structure is complicated for such automatic ventilation system, and pipeline is numerous, and rate of breakdown is big, and has large effect to experimental result.
Summary of the invention
In consideration of it, will be moved certainly the present invention provides automatic ventilation system and automatic air interchanger using a triple valve
Device of air, reaction chamber, air charging system and vacuum evacuation device link together, and then greatly simplify the structure of automatic ventilation system.
First aspect present invention provides a kind of automatic ventilation system, including automatic air interchanger, reaction chamber, air charging system
And vacuum evacuation device, the automatic air interchanger include a triple valve and electronic timing device, the first valve port of the triple valve
It is connected with the reaction chamber by the first tracheae, the second valve port and the vacuum evacuation device of the triple valve pass through the second gas
Pipe is connected, and the third valve port of the triple valve is connected with the air charging system by third tracheae；The electronic timing dress
It sets and is electrically connected with the triple valve, the electronic timing device is used for first valve port of triple valve described in timing controlled, institute
State the open and close of the second valve port and the third valve port.
A kind of automatic ventilation system that first aspect present invention provides, can be automatically controled triple valve by electronic timing device
The open and close of first valve port, the second valve port and third valve port, therefore pumping process and gas replenishment process can be made to automatically switch, most
Automatic air-exchanging is realized eventually.In addition, the present invention can be by automatic air interchanger, reaction by using a triple valve and three tracheaes
Room, air charging system and vacuum evacuation device link together, and then enormously simplify the structure of automatic ventilation system, reduce failure
Incidence improves the stability of experimental result.
Wherein, the automatic air interchanger further includes the programmable controller being electrically connected with the electronic timing device, institute
Programmable controller is stated for editing time of the electronic timing device with change first valve port, second valve port and
The time of the open and close of the third valve port.
Wherein, the automatic ventilation system further includes the pressure sensor on the reaction chamber, the pressure sensing
Device is for detecting the indoor air pressure of reaction.
Wherein, the automatic ventilation system further includes pressure regulator, and the pressure regulator connects the air charging system
With the third tracheae, gas source is supplied described the with constant pressure for adjusting the air charging system by the pressure regulator
Three tracheaes.
Wherein, the automatic air interchanger further includes suggestion device, the suggestion device and electronic timing device electricity
Connection, the suggestion device is for issuing prompt tone when the automatic ventilation system completes work and/or moving certainly when described
Prompt tone is sounded an alarm when gas system jam.
Wherein, the air charging system includes protective gas air charging system and/or reactant gas air charging system.
Wherein, the automatic air interchanger further includes display screen, the display screen respectively with the electronic timing device and
Programmable controller electrical connection, the display screen is for time of electronic timing device described in real-time display and described automatic
The working condition of air exchange system.
Wherein, the automatic air interchanger further includes power switch, and the power switch is filled with the electronic timing respectively
It sets, the electrical connection of the programmable controller and the suggestion device.
Second aspect of the present invention provides a kind of air exchanging method of automatic ventilation system, comprising the following steps:
Sample is put into the reaction chamber, first valve port and second valve port of the triple valve are opened, with
By the indoor air extraction of the reaction；
Second valve port of the triple valve is closed, and opens the third valve port, by the air charging system by gas
Body is charged in reaction chamber；
It is repeated in described by the extraction of the reaction indoor air and the process 0-N being charged to gas in reaction chamber
Secondary, N is the integer greater than 1；
First valve port and the third valve port of triple valve described in final plant closure, automatic air-exchanging are completed.
A kind of air exchanging method for automatic ventilation system that second aspect of the present invention provides, can be automatic by electronic timing device
The open and close for controlling triple valve the first valve port, the second valve port and third valve port, cut pumping process and gas replenishment process automatically
It changes, finally realizes automatic air-exchanging.In addition, can repeat 0-10 times, realize more again after first time pumping-gas replenishment process
Secondary pumping-gas replenishment process finally substantially reduces the indoor air content of reaction, improves the precision and accuracy of reaction.
Third aspect present invention provides a kind of automatic air interchanger, including a triple valve and electronic timing device, described
First valve port of triple valve is connected with reaction chamber by the first tracheae, and the second valve port and the air charging system of the triple valve pass through
Second tracheae is connected, and the third valve port of the triple valve is connected with vacuum evacuation device by third tracheae；The electronics is fixed
When device be electrically connected with the triple valve, first valve of the electronic timing device for triple valve described in timing controlled
The open and close of mouth, second valve port and the third valve port.
A kind of automatic air interchanger that third aspect present invention provides, can be automatically controled triple valve by electronic timing device
The open and close of first valve port, the second valve port and third valve port, therefore pumping process and gas replenishment process can be made to automatically switch, most
Automatic air-exchanging is realized eventually.In addition, the present invention can be by automatic air interchanger, reaction by using a triple valve and three tracheaes
Room, air charging system and vacuum evacuation device link together, and then enormously simplify the structure of automatic ventilation system, reduce failure
Incidence improves the stability of experimental result.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to required in the embodiment of the present invention
The attached drawing used is illustrated.
Fig. 1 is the structural schematic diagram of automatic ventilation system in the embodiment of the present invention；
Fig. 2 is the automatic air-exchanging method and process flow chart of automatic ventilation system in the embodiment of the present invention.
Appended drawing reference:
100- automatic ventilation system, 1- automatic air interchanger, 2- reaction chamber, 3- air charging system, 4- vacuum evacuation device, 11-
Triple valve, 12- electronic timing device, 13- programmable controller, 14- suggestion device, 15- display screen, 16- power switch, 21-
First tracheae, 22- pressure sensor, 31- third tracheae, 32- pressure regulator, the second tracheae of 41-, the first valve port of 111-,
The second valve port of 112-, 113- third valve port.
Specific embodiment
It is the preferred embodiment of the present invention below, it is noted that for those skilled in the art,
Various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as this hair
Bright protection scope.
A kind of automatic ventilation system 100 provided in an embodiment of the present invention, including automatic air interchanger 1, reaction chamber 2, inflation
Device 3 and vacuum evacuation device 4, the automatic air interchanger 1 include a triple valve 11 and electronic timing device 12, the triple valve
11 the first valve port 111 and the reaction chamber 2 are connected by the first tracheae 21, the second valve port 112 of the triple valve 11 with
The vacuum evacuation device 4 is connected by the second tracheae 41, the third valve port 113 of the triple valve 11 and the air charging system 3
It is connected by third tracheae 31；The electronic timing device 12 is electrically connected with the triple valve 11, the electronic timing device
12 first valve port 111, second valve port 112 and the third valve port 113 for triple valve 11 described in timing controlled
Open and close.
First valve port 111 of triple valve 11 of the present invention is connected with reaction chamber 2, the second valve port 112 and 4 phase of vacuum evacuation device
Even, third valve port 113 is connected with air charging system 3.Unlatching and the pass of first valve port 111, the second valve port 112 and third valve port 113
Closing makes reaction chamber 2 be in different working conditions, is exemplified below.When the first valve port 111, the second valve port 112 and third
When valve port 113 is turned off, reaction chamber 2 is in air-tight state at this time, can carry out physics, chemical experiment etc. in reaction chamber 2；When
One valve port 111, the second valve port 112 are opened, and when third valve port 113 is closed, vacuum evacuation device 4 is connected with reaction chamber 2, reacts at this time
Room 2 belongs to pumping state；When the first valve port 111, third valve port 113 are opened, when the second valve port 112 is closed, air charging system 3 and anti-
Room 2 is answered to be connected, reaction chamber 2 belongs to inflated condition at this time.
And electronic timing device 12 is one can automatically control the first valve port 111, the second valve port according to the preset time
112 and third valve port 113 open and close device.For example, making the first valve when 12 settable 0min of electronic timing device
The 111, second valve port 112 of mouth is opened, and third valve port 113 is closed, and is kept for 5 minutes, and reaction chamber 2 is made to be in pumping state；When
Open the first valve port 111, third valve port 113 when 5min, the second valve port 112 is closed, and is kept for 5 minutes, and reaction chamber 2 is in
Inflated condition；Close the first valve port 111, the second valve port 112, third valve port 113 when 10min, ventilation terminates, reaction chamber 2
In air-tight state.
A kind of automatic ventilation system 100 provided in an embodiment of the present invention can be automatically controled three by electronic timing device 12
The open and close of port valve 11 first valve port 111, the second valve port 112 and third valve port 113, therefore pumping process and inflation can be made
Process automatically switches, and finally realizes automatic air-exchanging.In addition, the present invention can incite somebody to action oneself by using a triple valve 11 and three tracheaes
Move device of air 1, reaction chamber 2, air charging system 3 and vacuum evacuation device 4 to link together, does not need extra tracheae, Jin Er great
The structure for simplifying automatic ventilation system 100 greatly, reduces rate of breakdown, improves the stability of experimental result.
In embodiment of the present invention, the type and size of reaction chamber 2 are not specifically limited, and can be chemical reaction bottle,
Vapor deposition chamber or other need to exclude the chamber of air.Preferably, reaction chamber 2 is chemical reaction bottle.
In embodiment of the present invention, it also may include lobe pump, molecular pump and diffusion pump that vacuum evacuation device 4, which is slide valve pump,
One of or a variety of and slide valve pump combination.The specific choice of vacuum evacuation device 4 be according to reaction chamber 2 type and size into
Capable.
In embodiment of the present invention, the air charging system 3 includes protective gas air charging system 3 and/or reactant gas
Air charging system 3.Air charging system 3 is preferably gas cylinder.The selection of air charging system 3 is illustrated below dependent on atmosphere needed for experiment
It is bright.When experiment what is desired is that when protective atmosphere, air charging system 3 includes protective gas air charging system 3 at this time；When experiment institute
It is desirable that air charging system 3 includes reactant gas air charging system 3 at this time when reactant gas；When experiment what is desired is that protecting
When shield property gas and reactant gas, air charging system 3 includes that protective gas air charging system 3 and/or reactant gas fill at this time
Device of air 3.Protective gas includes nitrogen or helium in the present invention, and reactant gas includes oxygen, hydrogen, methane etc..
In embodiment of the present invention, triple valve 11 includes three-way magnetic valve, three-way electric valve or threeway pulse valve.
In embodiment of the present invention, the automatic air interchanger 1 further includes being electrically connected with the electronic timing device 12
Programmable controller 13, the programmable controller 13 are used to edit time of the electronic timing device 12 to change described the
The time of the open and close of one valve port 111, second valve port 112 and the third valve port 113.Programmable controller 13 can
The first valve port 111, the second valve port 112 and third are adjusted according to the type of the type of reaction chamber 2, size and vacuum evacuation device 4
The time of the open and close of valve port 113.
In embodiment of the present invention, the automatic ventilation system 100 further includes the pressure sensing on the reaction chamber 2
Device 22, the pressure sensor 22 are used to detect the air pressure in the reaction chamber 2.Pressure sensor 22 can real-time monitoring reaction chamber
Air pressure in 2 makes user should be clear air aspiration stage, aeration phase and the stage of reaction and reflects indoor air pressure.
In embodiment of the present invention, the automatic ventilation system 100 further includes pressure regulator 32, the pressure regulator
32 connect the air charging systems 3 and the third tracheae 31, and the pressure regulator 32 is for adjusting the air charging system 3 with perseverance
Gas source is supplied the third tracheae 31 by fixed pressure.Pressure regulator 32 can be integrated with air charging system 3, or pressure
Draught control mechanism 32 can be set with air charging system 3 for seperated makeup.Family can be used to adjust the gas that air charging system 3 provides for pressure regulator 32
The air pressure in source and feed speed.
In embodiment of the present invention, the automatic air interchanger 1 further includes suggestion device 14, the suggestion device 14 and institute
The electrical connection of electronic timing device 12 is stated, the suggestion device 14 is used to issue when the automatic ventilation system 100 completes work
Prompt tone and/or prompt tone is sounded an alarm when the automatic ventilation system 100 breaks down.Because of automatic air-exchanging of the invention
System 100 can carry out ventilation operation automatically, therefore only need the good parameter of user setting, and suggestion device 14 can prompt user
100 automatic air-exchanging of automatic ventilation system is completed or automatic ventilation system 100 breaks down.
In embodiment of the present invention, the automatic air interchanger 1 further includes display screen 15, the display screen 15 respectively with institute
It states electronic timing device 12 and the programmable controller 13 is electrically connected, the display screen 15 is fixed for electronics described in real-time display
When time of the device 12 and working condition of the automatic ventilation system 100.Display screen 15 can show electronic timing device 12 from
Start to work time till now and automatic ventilation system 100 working condition (as be evacuated or inflation).
In embodiment of the present invention, the automatic air interchanger 1 further includes power switch 16, and the power switch 16 is distinguished
It is electrically connected with the electronic timing device 12, the programmable controller 13 and the suggestion device 14.Power switch 16 can be used
In the open and close of control electronic timing device 12, programmable controller 13 and suggestion device 14.
A kind of air exchanging method of automatic ventilation system 100 provided in an embodiment of the present invention, comprising the following steps:
Step 1: sample is put into reaction chamber 2, the first valve port 111 and the second valve port 112 of triple valve 11 are opened, it will
Air extraction in reaction chamber 2；
Step 2: closing the second valve port 112 of triple valve 11, and open third valve port 113, by air charging system 3 by gas
It is charged in reaction chamber 2；
Step 3: being repeated in the air extraction in reaction chamber 2 and be charged to gas process 0-N times in reaction chamber, N
For the integer greater than 1；
Step 4: the first valve port 111 and third valve port 113 of final plant closure triple valve 11, automatic air-exchanging are completed.
Preferably, process 0-10 times of " pumping-inflation " is repeated.It is highly preferred that repeating the process 3-5 of " pumping-inflation "
It is secondary.
Air exchanging method of the invention, step 1 and step 2 are primary " pumping-inflation " operation, and step 3 is executable behaviour
Make, user is repeatable to execute " pumping-inflation " 0-10 times.User can first pass through programmable controller 13 in advance as needed and set
Duplicate number.The first valve port 111 and third valve port 113 are finally closed, automatic air-exchanging operation is completed, and reaction chamber 2 is in closed
State, reaction chamber 2 can start to be tested.
When user starts repeatedly pumping, the third valve port 113 of triple valve 11 is closed, opens the second valve port 112；Work as user
When starting repeated inflation, the second valve port 112 of triple valve 11 is closed, opens third valve port 113.It is exemplified below when repetition 1
Concrete operations when secondary " pumping-inflation ":
Step 1: sample being put into reaction chamber 2, triple valve is automatically turned on by electronic timing device 12 in 0min
Air in reaction chamber 2 is extracted out, and keeps 5min by 11 the first valve port 111 and the second valve port 112；
Step 2: the second valve port 112 of triple valve 11 is automatically closed when 5min by electronic timing device 12, and opens
Gas is charged in reaction chamber 2 by air charging system 3, and keeps 5min by third valve port 113；
Step 3: when 10min, third valve port 113 being automatically closed by electronic timing device 12, opens the second valve port
112, the gas in reaction chamber 2 is extracted out, and keep 5min；The second valve is automatically closed by electronic timing device 12 in 15min
Mouth 112, and third valve port 113 is opened, gas is filled in reaction chamber, and keep 5min.
Step 4: when 20min, the first valve port 111 and third of triple valve 11 being automatically closed by electronic timing device 12
Valve port 113, automatic air-exchanging are completed.
A kind of air exchanging method of automatic ventilation system 100 provided in an embodiment of the present invention, can by electronic timing device 12
The open and close of automatic control tee valve 11 first valve port 111, the second valve port 112 and third valve port 113, make pumping process and
Gas replenishment process automatically switches, and finally realizes automatic air-exchanging.In addition, can be repeated again after first time pumping-gas replenishment process
It 0-10 times, realizes multiple pumping-gas replenishment process, finally substantially reduces the air content in reaction chamber 2, improve the precision of reaction
With accuracy.
A kind of automatic air interchanger 1 provided in an embodiment of the present invention, including a triple valve 11 and electronic timing device 12, institute
The first valve port 111 for stating triple valve 11 is connected with reaction chamber 2 by the first tracheae 21, the second valve port of the triple valve 11
112 are connected with air charging system 3 by the second tracheae 41, and third valve port 113 and the vacuum evacuation device 4 of the triple valve 11 pass through
Third tracheae 31 is connected；The electronic timing device 12 is electrically connected with the triple valve 11, and the electronic timing device 12 is used
First valve port 111 of the triple valve 11 described in timing controlled, second valve port 112 and the third valve port 113 are opened
It opens and closes.
A kind of automatic air interchanger 1 provided in an embodiment of the present invention can be automatically controled threeway by electronic timing device 12
The open and close of valve 11 first valve port 111, the second valve port 112 and third valve port 113, therefore pumping process can be made and inflated
Journey automatically switches, and finally realizes automatic air-exchanging.In addition, the present invention can will be automatic by using a triple valve 11 and three tracheaes
Air interchanger 1, reaction chamber 2, air charging system 3 and vacuum evacuation device 4 link together, and then enormously simplify automatic ventilation system
100 structure, reduces rate of breakdown, improves the stability of experimental result.
Content provided by embodiment of the present invention is described in detail above, herein to the principle of the present invention and reality
The mode of applying is expounded and illustrates, described above to be merely used to help understand method and its core concept of the invention；Meanwhile
For those of ordinary skill in the art, according to the thought of the present invention, has change in specific embodiments and applications
Become place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of automatic ventilation system, which is characterized in that including automatic air interchanger, reaction chamber, air charging system and vacuum means
It sets, the automatic air interchanger includes a triple valve and electronic timing device, and the first valve port of the triple valve is reacted with described
Room is connected by the first tracheae, and the second valve port of the triple valve is connected with the vacuum evacuation device by the second tracheae,
The third valve port of the triple valve is connected with the air charging system by third tracheae；The electronic timing device and described three
Port valve electrical connection, first valve port, second valve port of the electronic timing device for triple valve described in timing controlled
With the open and close of the third valve port.
2. automatic ventilation system as described in claim 1, which is characterized in that the automatic air interchanger further includes and the electricity
The programmable controller of sub- timing means electrical connection, the programmable controller are used to edit the time of the electronic timing device
To change the time of the open and close of first valve port, second valve port and the third valve port.
3. automatic ventilation system as described in claim 1, which is characterized in that the automatic ventilation system further includes set on described
Pressure sensor on reaction chamber, the pressure sensor is for detecting the indoor air pressure of reaction.
4. automatic ventilation system as described in claim 1, which is characterized in that the automatic ventilation system further includes that pressure is adjusted
Device, the pressure regulator connect the air charging system and the third tracheae, and the pressure regulator is for adjusting described fill
Gas source is supplied the third tracheae with constant pressure by device of air.
5. automatic ventilation system as described in claim 1, which is characterized in that the automatic air interchanger further includes prompt dress
It sets, the suggestion device is electrically connected with the electronic timing device, and the suggestion device is used for when the automatic ventilation system is complete
Prompt tone is issued when at work and/or sounds an alarm prompt tone when the automatic ventilation system breaks down.
6. automatic ventilation system as described in claim 1, which is characterized in that the air charging system includes protective gas inflation
Device and/or reactant gas air charging system.
7. automatic ventilation system as described in claim 1, which is characterized in that the automatic air interchanger further includes display screen,
The display screen is electrically connected with the electronic timing device and the programmable controller respectively, and the display screen is for aobvious in real time
Show the time of the electronic timing device and the working condition of the automatic ventilation system.
8. automatic ventilation system as described in claim 1, which is characterized in that the automatic air interchanger further includes that power supply is opened
It closes, the power switch is electrically connected with the electronic timing device, the programmable controller and the suggestion device respectively.
9. the air exchanging method of automatic ventilation system as described in claim 1, which comprises the following steps:
Sample is put into the reaction chamber, first valve port and second valve port of the triple valve are opened, by institute
State the indoor air extraction of reaction；
Second valve port of the triple valve is closed, and opens the third valve port, is filled gas by the air charging system
Into reaction chamber；
Be repeated in described by the extraction of the reaction indoor air and process 0-N times gas is charged in reaction chamber, N
For the integer greater than 1；
First valve port and the third valve port of triple valve described in final plant closure, automatic air-exchanging are completed.
10. a kind of automatic air interchanger, which is characterized in that including a triple valve and electronic timing device, the of the triple valve
One valve port is connected with reaction chamber by the first tracheae, and the second valve port and the air charging system of the triple valve pass through the second tracheae phase
Connection, the third valve port of the triple valve are connected with vacuum evacuation device by third tracheae；The electronic timing device and institute
Triple valve electrical connection is stated, the electronic timing device is used for first valve port of triple valve described in timing controlled, described second
The open and close of valve port and the third valve port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179612.4A CN109973703A (en) | 2019-03-07 | 2019-03-07 | Automatic ventilation system and automatic air interchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179612.4A CN109973703A (en) | 2019-03-07 | 2019-03-07 | Automatic ventilation system and automatic air interchanger |
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| CN109973703A true CN109973703A (en) | 2019-07-05 |
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| CN201910179612.4A Pending CN109973703A (en) | 2019-03-07 | 2019-03-07 | Automatic ventilation system and automatic air interchanger |
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| CN112460285A (en) * | 2020-11-27 | 2021-03-09 | 华虹半导体(无锡)有限公司 | Life prolonging device and method for vacuum pressure gauge |
| CN112659114A (en) * | 2019-10-16 | 2021-04-16 | 深圳大学 | Single-channel automatic inflation and deflation system and air pressure stability control method |
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| CN204553942U (en) * | 2015-02-06 | 2015-08-12 | 国家电网公司 | SF6 gas vacuumizes and fills integrated triple valve |
| CN109100386A (en) * | 2018-06-27 | 2018-12-28 | 中国科学院合肥物质科学研究院 | A kind of quartz ampoule air remover for business EPR/ESR |
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