CN102628547A - Vacuumizing device and method for vacuumizing by means of device - Google Patents
Vacuumizing device and method for vacuumizing by means of device Download PDFInfo
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- CN102628547A CN102628547A CN2012101103928A CN201210110392A CN102628547A CN 102628547 A CN102628547 A CN 102628547A CN 2012101103928 A CN2012101103928 A CN 2012101103928A CN 201210110392 A CN201210110392 A CN 201210110392A CN 102628547 A CN102628547 A CN 102628547A
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Abstract
The invention relates to a vacuumization technology, providing a vacuumizing device. The vacuumizing device comprises a first valve, a first vacuum tank, a second valve, a second vacuum tank, a third valve and a vacuum pump. Compared with the prior art, the vacuumizing device greatly improves the vacuumization efficiency. The invention also provides a method for vacuumizing by means of the vacuumizing device. The method comprises the following steps of: prevacuumizing the first vacuum tank and the second vacuum tank; making gas of a pipeline to be vacuumized spread to the first vacuum tank and then spread to the second vacuum tank; extracting the most gas of the pipeline to be vacuumized; and extracting all the gas by means of the vacuum pump. The vacuumization process is performed slowly and then is performed quickly, and the phenomenon that the hose of the pipeline to be vacuumized is instantly extracted flat, so that the vacuumization efficiency is influenced is prevented. Thus, compared with the prior art, the vacuumizing method provided by the invention has the advantages that the vacuumization efficiency is greatly improved.
Description
Technical field
The present invention relates to the technology of vacuumizing, the vacuum pumping method that relates in particular to a kind of vacuum pumping device and adopt this device.
Background technique
In the auto assembly production process, often use dry process and carry out liquid filling, such as antifreeze liquid filling, brake fluid charging or the filling of power-assisted steering liquid etc., process generally is: 1, vacuumize; 2, filling; 3, resorption.Wherein used vacuum pumping device is generally shown in accompanying drawing 1: treat that vacuum-pumping pipeline 9 is connected with vacuum pump 8 with vacuum tank 12 successively, be equipped with disconnection that valve comes pilot line on the pipeline of connection and be communicated with.
This vacuum pumping device is no problem for general automobile filling.But if having flexible pipe in the automobile pipeline that vacuumizes, the vacuumizing effect and will become very poor of automotive interior.Because general vacuum pump adopts S1 duty (successively), in the time of non-vacuumizing, the valve of vacuum pump inlet end is that the pass is dead; At this moment vacuum pump can not stop again, and vacuum pump during this period of time is to be in the state of flogging a dead horse, when needs vacuumize; Valve is once opened, because the powerful draft of vacuum pump, moment just will treat that the flexible pipe in the vacuum-pumping pipeline takes out flat; And the air that is trapped in the flexible pipe rear end can only ooze from two apertures taking out flat flexible pipe formation; The runoff of pipeline is reduced greatly, cause the inefficiency of vacuum pump, prolonged the operating time that vacuumizes.
Summary of the invention
The objective of the invention is the deficiency that exists to existing technology, provide a kind of avoid with treat flexible pipe moment in the vacuum-pumping pipeline take out flat, improve the vacuum pumping method that vacuumizes the vacuum pumping device of efficient and adopt this device.
The present invention is achieved in that a kind of vacuum pumping device, comprises first valve, first vacuum tank, second valve, second vacuum tank, the 3rd valve and the vacuum pump that connect successively.
During work, will treat that vacuum-pumping pipeline passes through first valve and be connected with said vacuum pumping device, close first valve earlier; Open the 3rd valve and second valve, vacuum pump is taken out the air of first vacuum tank and second vacuum tank clearly, makes first vacuum tank and second vacuum tank reach vacuum state; Close the 3rd valve and second valve then; Open first valve,, treat that the gas of vacuum-pumping pipeline can spread to first vacuum tank because the first vacuum tank air pressure is very low; Finally reach air pressure balance; Because air diffusion is milder, and the air pressure of first vacuum tank can be uprised by low in the gas diffusion process, treats that flexible pipe in the vacuum-pumping pipeline can not receive powerful in short-term suction and to cause flexible pipe to be taken out by moment flat.When first vacuum tank with after treating that vacuum-pumping pipeline air pressure reaches balance, open second valve, the gaseous diffusion of waiting to vacuumize the true pipeline and first vacuum tank is in second vacuum tank; In this gas diffusion process, treat that flexible pipe in the vacuum-pumping pipeline can not receive powerful in short-term suction and to cause flexible pipe to be taken out by moment flat, after treating that vacuum-pumping pipeline, first vacuum tank and second vacuum tank reach air pressure balance; Open the 3rd valve; Vacuum pump is taken out remaining gas clearly, made whole pipeline reach the state of vacuum, first valve closing subsequently; Switch pipeline next to be vacuumized, carry out next work cycle.
Compared with prior art; Because the present invention carries out forvacuum to first vacuum tank and second vacuum tank earlier; Make the gas of treating vacuum-pumping pipeline be diffused into first vacuum tank earlier and be diffused into second vacuum tank again, most of gas of treating vacuum-pumping pipeline is released earlier, by vacuum pump all gas is extracted out more at last; To anxious, taken out flat and influence and vacuumize efficient by flexible pipe moment of avoiding treating vacuum-pumping pipeline by slow for this vacuum.Therefore, the present invention has compared with prior art improved greatly and has vacuumized efficient.
As further improvement of the present invention, the volume of said second vacuum tank is greater than the volume of said first vacuum tank, also greater than the volume of treating vacuum-pumping pipeline.The volume of second vacuum tank is big more, and its buffer function is obvious more, therefore can improve the efficient that vacuumizes more.The volume of second vacuum tank is also relevant with manufacture cost and installing space, if the volume of second vacuum tank designs to such an extent that too big then cost is too high or be difficult to install at narrow and small working environment.Therefore when the volume of design second vacuum tank, take all factors into consideration the factor of each side, make the volume of second vacuum tank can reach the preferable effect that vacuumizes, the while can be reduced manufacture cost again and is complementary with installation environment.
In addition; Among the present invention, second vacuum tank mainly plays buffer function, makes the process that vacuumizes by delaying to anxious; The flexible pipe of avoiding treating vacuum-pumping pipeline is taken out flat by moment; Therefore, can use the total measurement (volume) plural vacuum tank suitable to be connected successively and substitute second vacuum tank, also can realize beneficial effect of the present invention with second vacuum tank.
Preferably, in practical application, the volume of said second vacuum tank with treat that the volume of vacuum-pumping pipeline is that 1:1 can reach the preferable effect that vacuumizes, simultaneously can practice thrift manufacture cost to greatest extent.
As further improvement of the present invention, said first vacuum tank is connected with the 4th valve that is used for discharge opeing and is used to feed compressed-air actuated the 7th valve.Treat that in vacuum the liquid such as aerosol that vacuum-pumping pipeline contains can be diffused in the vacuum pumping device; Wherein most of water smoke is diffused in first vacuum tank; And in first vacuum tank, under the deposition,, can cause damage to vacuum pump as if vacuum pump suction liquid; If suction is corrosive liquids, then the damage to vacuum pump is big more.Therefore, in first vacuum tank, be provided with the 7th valve, feed pressurized air, and be provided with the 4th valve, the liquid of first vacuum tank possibility suction is discharged, the protection vacuum pump makes the working procedure that vacuumizes stable, reduces the fault generation.In the first vacuum tank discharge opeing process, first valve is closed all the time, avoids pressurized air to get into and treats vacuum-pumping pipeline.
As further improvement of the present invention, said second vacuum tank is connected with the 5th valve that is used for discharge opeing and is used to feed compressed-air actuated the 6th valve.Although the liquid major part that vacuum pumping device maybe suction rests on first vacuum tank, also can retain a spot of liquid in second vacuum tank, for general protection vacuum pump more; Therefore, in second vacuum tank, be provided with the 6th valve, feed pressurized air; And be provided with the 5th valve, the liquid of second vacuum tank possibility suction is discharged, with the protection vacuum pump; Make the working procedure that vacuumizes more stable, further reduce fault and take place, in the second vacuum tank discharge opeing process; First valve and second valve are closed all the time, avoid pressurized air to get into and treat vacuum-pumping pipeline.
As further improvement of the present invention, said first valve, second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve and the 7th valve are solenoid valve.Adopt solenoid valve to make valve of the present invention can realize electrical control, even set realization automation control, removed manual operation from, make that control of the present invention is more accurate, intelligent more, hommization, more stable work through outside man-machine interface.
In sum, compared with prior art, the efficient that vacuum pumping device provided by the invention vacuumizes improves greatly, and simple in structure, with low cost, working stability, easy care maintenance.
The present invention also provides a kind of vacuum pumping method that adopts above-mentioned vacuum pumping device, may further comprise the steps:
A, will treat that vacuum-pumping pipeline passes through said first valve and be connected with said vacuum pumping device, and open second valve and the 3rd valve then, vacuum pump is taken out the air in first vacuum tank and second vacuum tank clearly;
B, close second valve and the 3rd valve, open first valve, treat that the air diffusion of vacuum-pumping pipeline comes out to fill up first vacuum tank;
C, open second valve, treat that the gaseous diffusion of the vacuum-pumping pipeline and first vacuum tank comes out to fill up second vacuum tank;
D, open the 3rd valve, vacuum pump is with second vacuum tank, first vacuum tank and treat that the air in the vacuum-pumping pipeline extracts out;
E, close first valve, break off said vacuum pumping device and treat being connected of vacuum-pumping pipeline, accomplish an operation cycle, get back to the A step, carry out next work cycle.
The A step can be with first vacuum tank and the evacuated state of second vacuum tank; In the B step, because first vacuum tank is the state of vacuum at this moment, form negative pressure, make and treat that the gas of vacuum-pumping pipeline spreads to first vacuum tank, this process can be with treating that most gas is extracted out in the vacuum-pumping pipeline.Because the suction that the suction that first vacuum tank produces does not have vacuum pump to produce is big; And gas finally reaches in the process of air pressure balance to the diffusion of first vacuum tank; Treat suction that the flexible pipe in the vacuum-pumping pipeline receives from large to small, treat that therefore the flexible pipe in the vacuum-pumping pipeline can not taken out flat moment; In the C step since second vacuum tank be the state of vacuum at this moment; Form negative pressure; The gas of treating the vacuum-pumping pipeline and first vacuum tank spreads to second vacuum tank; The air density of treating in the vacuum-pumping pipeline is further reduced, treat in this diffusion process that the flexible pipe in the vacuum-pumping pipeline can not taken out flat moment yet; D step intermediate pump is extracted remaining gas out, makes whole pipeline reach vacuum state; The E step is closed first valve, gets back to the A step and carries out next work cycle.Can do not taken out moment flatly owing in whole vacuum, treat flexible pipe in the vacuum-pumping pipeline, therefore compared with prior art, the efficient that vacuumizes of the present invention improves greatly.
Because whole vacuum to anxious, so treats that vacuum-pumping pipeline can not receive powerful in short-term suction and moment is taken out flatly by slow, improves greatly so vacuum pumping method provided by the invention, vacuumizes efficient than existing technology.
As further improvement of the present invention, also comprise the D1 step between D step and the E step:
D1, close first valve, second valve and the 3rd valve, feed pressurized air for respectively first vacuum tank, second vacuum tank through the 7th valve, the 6th valve; Discharge the liquid of first vacuum tank, the suction of second vacuum tank possibility respectively through the 4th valve, the 5th valve, close the 7th valve, the 6th valve, the 4th valve and the 5th valve then;
Wherein, said the 7th valve is connected with said first vacuum tank respectively with said the 4th valve, and said the 6th valve is connected with said second vacuum tank respectively with the 5th valve.
D1 step significant feature is in order to discharge the liquid of possibility suction first vacuum tank and second vacuum tank, in case the solution stopping body gets into vacuum pump and damages vacuum pump.Therefore the C1 step can prolong the working life of vacuum pump, makes the working procedure that vacuumizes stable, reduces fault and takes place.
As further improvement of the present invention, said valve all adopts solenoid valve, and is because solenoid valve can make the present invention realize electrified control through electrical signal control, more convenient to operate.
As further improvement of the present invention, said A, B, C, D, D1, E step are all set control through outside man-machine interface.Said man-machine interface is an alternating interface between man and computer, is the media that carries out mutual and information exchange between system and the user, and it comprises supporting hardware and software and actuator; Through man-machine interface, the operator can set the parameter of each step intuitively, and the work of vacuumizing is carried out according to the program that configures; Removed manual operation from; Make that control of the present invention is more accurate, intelligent more, hommization, more stable work.
In sum, vacuum pumping method provided by the invention, the efficient that vacuumizes is high, and simple in structure, with low cost, working stability, can realize automatic intelligent control, easy care maintenance.
Description of drawings
Vacuum pumping device structural representation for the existing technology use shown in Figure 1;
Shown in Figure 2 is vacuum pumping device structural representation provided by the invention;
Shown in Figure 3 is vacuum pumping method schematic flow sheet provided by the invention.
Accompanying drawing sign: 1-first valve; 2-second valve; 3 the 3rd valves; 4-the 4th valve; 5-the 5th valve; 6-the 6th valve; 7-the 7th valve; The 8-vacuum pump; 9-treats vacuum-pumping pipeline; 10-first vacuum tank; 11-second vacuum tank; The 12-vacuum tank.
Embodiment
In order to make the object of the invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.
As shown in Figure 2, this example provides a kind of vacuum pumping device, comprises successively first valve 1 that connects, first vacuum tank 10, second valve 2, second vacuum tank 11, the 3rd valve 3 and vacuum pump 8.
During work, will treat that vacuum-pumping pipeline 9 is connected with said vacuum pumping device through first valve 1, closes first valve 1 earlier; Open the 3rd valve 3 and second valve 2, vacuum pump 8 is taken out the air of first vacuum tank 10 and second vacuum tank 11 clearly, makes first vacuum tank 10 and second vacuum tank 11 reach vacuum state; Close the 3rd valve 3 and second valve 2 then, open first valve 1, because at this moment first vacuum tank 10 is a vacuum state; Form negative pressure; The gas of treating vacuum-pumping pipeline 9 can finally reach air pressure balance, because air diffusion is milder to 10 diffusions of first vacuum tank; And the air pressure of first vacuum tank 10 can be uprised by low in the gas diffusion process, treats that flexible pipe in the vacuum-pumping pipeline 9 can not receive powerful in short-term suction and to cause flexible pipe to be taken out by moment flat.When first vacuum tank 10 with after treating that vacuum-pumping pipeline 9 air pressure reach balance, open second valve 2, the gaseous diffusion of waiting to vacuumize the true pipeline 9 and first vacuum tank 10 is in second vacuum tank 11; In this gas diffusion process, treat that flexible pipe in the vacuum-pumping pipeline 9 also can not receive powerful in short-term suction and to cause flexible pipe to be taken out by moment flat, after treating that vacuum-pumping pipeline 9, first vacuum tank 10 and second vacuum tank 11 reach air pressure balance; Open the 3rd valve 3; Vacuum pump 8 is taken out remaining gas clearly, made whole pipeline reach the state of vacuum, first valve 1 is closed subsequently; Switch the next one and treat vacuum-pumping pipeline, carry out next work cycle.
Compared with prior art; Because the present invention carries out forvacuum to first vacuum tank 10 and second vacuum tank 11 earlier; Make the gas of treating vacuum-pumping pipeline 9 be diffused into first vacuum tank 10 earlier and be diffused into second vacuum tank 11 again, most of gas of treating vacuum-pumping pipeline 9 is released earlier, by vacuum pump 8 all gas is extracted out more at last; To anxious, taken out flat and influence and vacuumize efficient by flexible pipe moment of avoiding treating vacuum-pumping pipeline 9 by slow for this vacuum.Therefore, the present invention has compared with prior art improved greatly and has vacuumized efficient.
As the further improvement of present embodiment, the volume of said second vacuum tank 11 is greater than the volume and the volume of treating vacuum-pumping pipeline 9 of said first vacuum tank 10.The volume of second vacuum tank 11 is big more, and its buffer function is obvious more, therefore can improve the efficient that vacuumizes more.The volume of second vacuum tank 11 is also relevant with manufacture cost and installing space, if the volume of second vacuum tank 11 designs to such an extent that too big then cost is too high or be difficult to install at narrow and small working environment.Therefore when the volume of design second vacuum tank 11, take all factors into consideration the factor of each side, make the volume of second vacuum tank 11 can reach the preferable effect that vacuumizes, the while can be reduced manufacture cost again and is complementary with installation environment.
In addition; In the present embodiment, second vacuum tank, the 11 main buffer functions that rise make the process that vacuumizes by delaying to anxious; The flexible pipe of avoiding treating vacuum-pumping pipeline 9 is taken out flat by moment; Therefore, can use total measurement (volume) and second vacuum tank, 11 suitable plural vacuum tanks to be connected successively and substitute second vacuum tank 11, also can realize beneficial effect of the present invention.
Preferably, in practical application, the volume of said second vacuum tank 11 with treat that the volume of vacuum-pumping pipeline 9 is that 1:1 can reach the preferable effect that vacuumizes, simultaneously can practice thrift manufacture cost to greatest extent.
As the further improvement of present embodiment, said first vacuum tank 10 is connected with the 4th valve 4 that is used for discharge opeing and is used to feed compressed-air actuated the 7th valve 7.Treat that in vacuum the liquid such as aerosol that vacuum-pumping pipeline 9 contains can be diffused in the vacuum pumping device; Wherein most of water smoke is diffused in first vacuum tank 10; And in first vacuum tank 10, under the deposition,, can cause damage to vacuum pump 8 as if vacuum pump 8 suction liquid; If suction is corrosive liquids, then the damage to vacuum pump 8 is big more.Therefore, in first vacuum tank 10, be provided with the 7th valve 7, feed pressurized air, and be provided with the 4th valve 4, the liquid of first vacuum tank, 10 possibility suction is discharged, protection vacuum pump 8 makes the working procedure that vacuumizes stable, reduces the fault generation.In first vacuum tank, 10 discharge opeing processes, first valve 1 is closed all the time, avoids pressurized air to get into and treats vacuum-pumping pipeline 9.
As the further improvement of present embodiment, said second vacuum tank 10 is connected with the 5th valve 5 that is used for discharge opeing and is used to feed compressed-air actuated the 6th valve 6.Although resting in first vacuum tank, 10, the second vacuum tanks 11, the liquid major part that vacuum pumping device maybe suction also can retain a spot of liquid, for general protection vacuum pump 8 more; Therefore, in second vacuum tank 11, be provided with the 6th valve 6, feed pressurized air; And be provided with the 5th valve 5, the liquid of second vacuum tank, 11 possibility suction is discharged, with protection vacuum pump 8; Make the work that vacuumizes Cheng Wending more, further reduce fault and take place, in second vacuum tank, 11 discharge opeing processes; First valve 1 and second valve 2 are closed all the time, avoid pressurized air to get into and treat vacuum-pumping pipeline 9.
As the further improvement of present embodiment, said first valve, 1, the second valve 2, the 3rd valve 3, the four valves 4, the 5th valve 5, the 6th valve 6 and the 7th valve 7 are solenoid valve.Adopt solenoid valve to make valve of the present invention can realize electrical control, even set realization automation control, removed manual operation from, make that control of the present invention is more accurate, intelligent more, hommization, more stable work through outside man-machine interface.
In sum, the vacuum pumping device that present embodiment provides is compared existing technology, and the efficient that vacuumizes is carried greatly and made height, and simple in structure, with low cost, working stability, easy care maintenance.
As shown in Figures 2 and 3, the present invention also provides a kind of vacuum pumping method that adopts above-mentioned vacuum pumping device, may further comprise the steps:
A, will treat that vacuum-pumping pipeline 9 is connected with said vacuum pumping device through said first valve 1, and open second valve 2 and the 3rd valve 3 then, vacuum pump 8 is taken out first vacuum tank 10 and second vacuum tank, 11 interior air clearly;
B, close second valve 2 and the 3rd valve 3, open first valve 1, treat that the air diffusion of vacuum-pumping pipeline 9 comes out to fill up first vacuum tank 10;
C, open second valve 2, treat that the gaseous diffusion of the vacuum-pumping pipeline 9 and first vacuum tank 10 comes out to fill up second vacuum tank 11;
D, open the 3rd valve 3, vacuum pump 8 is with second vacuum tank 11, first vacuum tank 10 and treat that the air in the vacuum-pumping pipeline 9 extract out.
E, close first valve 1, break off said vacuum pumping device and treat being connected of vacuum-pumping pipeline 9, accomplish an operation cycle, get back to the A step, carry out next work cycle.
The A step can be with first vacuum tank 10 and second vacuum tank, 11 evacuated states; In the B step, because first vacuum tank 10 is the state of vacuum at this moment, form negative pressure, make the gas of treating vacuum-pumping pipeline 9 to 10 diffusions of first vacuum tank, this process can be with treating that most gas is extracted out in the vacuum-pumping pipeline 9.Because the suction that the suction that first vacuum tank 10 produces does not have vacuum pump 8 to produce is big; And gas finally reaches in the process of air pressure balance to 10 diffusions of first vacuum tank; Treat suction that the flexible pipe in the vacuum-pumping pipeline 9 receives from large to small, treat that therefore the flexible pipe in the vacuum-pumping pipeline 9 can not taken out flat moment; In the C step since second vacuum tank 11 this moment be the state of vacuum; Form negative pressure; The gas of treating the vacuum-pumping pipeline 9 and first vacuum tank 10 is to 11 diffusions of second vacuum tank; The air density of treating in the vacuum-pumping pipeline 9 is further reduced, treat in this diffusion process that the flexible pipe in the vacuum-pumping pipeline 9 can not taken out flat moment yet; D step intermediate pump 8 is extracted remaining gas out, makes whole pipeline reach vacuum state; The E step is closed first valve 1, gets back to the A step and carries out next work cycle.
Because whole vacuum to anxious, so treats that vacuum-pumping pipeline 9 can not receive powerful in short-term suction and moment is taken out flatly by slow, improves greatly so vacuum pumping method provided by the invention, vacuumizes efficient than existing technology.
As the further improvement of present embodiment, also comprise the D1 step between D step and the E step:
D1, close first valve 1, second valve 2 and the 3rd valve 3, feed pressurized air for respectively first vacuum tank 10, second vacuum tank 11 through the 7th valve 7, the 6th valve 6; Through the 4th valve 4, the 5th valve 5 respectively first vacuum tank 10, second vacuum tank 11 maybe suction liquid discharge, close the 7th valve 7, the 6th valve 6, the 4th valve 4 and the 5th valve 5 then.
Wherein, said the 7th valve 7 is connected with said first vacuum tank 10 respectively with said the 4th valve 4, and said the 6th valve 6 is connected with said second vacuum tank 11 respectively with the 5th valve 5.
D1 step significant feature is in order to discharge the liquid of possibility suction first vacuum tank 10 and second vacuum tank 11, in case the solution stopping body gets into vacuum pump 8 and damages vacuum pump 8.Therefore the C1 step can prolong the working life of vacuum pump 8, makes the working procedure that vacuumizes stable, reduces fault and takes place.
As the further improvement of present embodiment, said valve all adopts solenoid valve, and is because solenoid valve can make the present invention realize electrified control through electrical signal control, more convenient to operate.
As the further improvement of present embodiment, said A, B, C, D, D1, E step are all set control through outside man-machine interface.Said man-machine interface is an alternating interface between man and computer, is the media that carries out mutual and information exchange between system and the user, and it comprises supporting hardware and software and actuator; Through man-machine interface, the operator can set the parameter of each step intuitively, and the work of vacuumizing is carried out according to the program that configures; Removed manual operation from; Make that control of the present invention is more accurate, intelligent more, hommization, more stable work.
In sum, vacuum pumping method provided by the invention, the efficient that vacuumizes is high, and simple in structure, with low cost, working stability, can realize automatic intelligent control, easy care maintenance.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a vacuum pumping device is characterized in that, comprises first valve, first vacuum tank, second valve, second vacuum tank, the 3rd valve and the vacuum pump that connect successively.
2. vacuum pumping device according to claim 1 is characterized in that, the volume of said second vacuum tank is greater than the volume of said first vacuum tank, also greater than the volume of treating vacuum-pumping pipeline.
3. vacuum pumping device according to claim 1 is characterized in that, the volume of said second vacuum tank with treat that the volume ratio of vacuum-pumping pipeline is 1:1.
4. according to each described vacuum pumping device of claim 1 to 3, it is characterized in that said first vacuum tank is connected with the 4th valve that is used for discharge opeing and is used to feed compressed-air actuated the 7th valve.
5. vacuum pumping device according to claim 4 is characterized in that, said second vacuum tank is connected with the 5th valve that is used for discharge opeing and is used to feed compressed-air actuated the 6th valve.
6. vacuum pumping device according to claim 5 is characterized in that, said first valve, and second valve, the 3rd valve, the 4th valve, the 5th valve, the 6th valve and the 7th valve are solenoid valve.
7. a vacuum pumping method that adopts each said vacuum pumping device of claim 1 to 3 is characterized in that, may further comprise the steps:
A, will treat that vacuum-pumping pipeline passes through said first valve and be connected with said vacuum pumping device, and open second valve and the 3rd valve then, vacuum pump is taken out the air in first vacuum tank and second vacuum tank clearly;
B, close second valve and the 3rd valve, open first valve, treat that the air diffusion of vacuum-pumping pipeline comes out to fill up first vacuum tank;
C, open second valve, treat that the gaseous diffusion of the vacuum-pumping pipeline and first vacuum tank comes out to fill up second vacuum tank;
D, open the 3rd valve, vacuum pump is with second vacuum tank, first vacuum tank and treat that the air in the vacuum-pumping pipeline extracts out;
E, close first valve, break off said vacuum pumping device and treat being connected of vacuum-pumping pipeline, accomplish an operation cycle, get back to the A step, carry out next work cycle.
8. vacuum pumping method according to claim 7 is characterized in that, also comprises the D1 step between D step and the E step:
D1, close first valve, second valve and the 3rd valve, feed pressurized air for respectively first vacuum tank, second vacuum tank through the 7th valve, the 6th valve; Discharge the liquid of first vacuum tank, the suction of second vacuum tank possibility respectively through the 4th valve, the 5th valve, close the 7th valve, the 6th valve, the 4th valve and the 5th valve then;
Wherein, said the 7th valve is connected with said first vacuum tank respectively with said the 4th valve, and said the 6th valve is connected with said second vacuum tank respectively with the 5th valve.
9. vacuum pumping method according to claim 8 is characterized in that said valve all adopts solenoid valve.
10. vacuum pumping method according to claim 9 is characterized in that, said A, B, C, D, D1, E step are all set control through outside man-machine interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101103928A CN102628547A (en) | 2012-04-16 | 2012-04-16 | Vacuumizing device and method for vacuumizing by means of device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101103928A CN102628547A (en) | 2012-04-16 | 2012-04-16 | Vacuumizing device and method for vacuumizing by means of device |
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| CN102628547A true CN102628547A (en) | 2012-08-08 |
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| CN2012101103928A Pending CN102628547A (en) | 2012-04-16 | 2012-04-16 | Vacuumizing device and method for vacuumizing by means of device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103147060A (en) * | 2013-03-29 | 2013-06-12 | 上海理工大学 | Vacuum coating system and coating method thereof |
| CN103967757A (en) * | 2014-05-19 | 2014-08-06 | 徐旭东 | Combined vacuum pump |
| CN110435620A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of more vacuum tank digital electric vacuum assistance systems of brake of electric vehicle suitable for more altitude environments |
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| CN202629590U (en) * | 2012-04-16 | 2012-12-26 | 上汽通用五菱汽车股份有限公司 | Vacuumizing device |
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| US6598615B1 (en) * | 2000-11-07 | 2003-07-29 | Applied Materials, Inc. | Compact independent pressure control and vacuum isolation for a turbomolecular pumped plasma reaction chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103147060A (en) * | 2013-03-29 | 2013-06-12 | 上海理工大学 | Vacuum coating system and coating method thereof |
| CN103967757A (en) * | 2014-05-19 | 2014-08-06 | 徐旭东 | Combined vacuum pump |
| CN110435620A (en) * | 2019-08-22 | 2019-11-12 | 山东理工大学 | A kind of more vacuum tank digital electric vacuum assistance systems of brake of electric vehicle suitable for more altitude environments |
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Application publication date: 20120808 |