CN103089684A - Control device and control method for medical vacuum negative air machine facility - Google Patents
Control device and control method for medical vacuum negative air machine facility Download PDFInfo
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- CN103089684A CN103089684A CN2013100704293A CN201310070429A CN103089684A CN 103089684 A CN103089684 A CN 103089684A CN 2013100704293 A CN2013100704293 A CN 2013100704293A CN 201310070429 A CN201310070429 A CN 201310070429A CN 103089684 A CN103089684 A CN 103089684A
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- vacuum pump
- vacuum
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Abstract
The invention provides a control device and a control method for a medical vacuum negative air machine facility and relates to the start and stop control field of a vacuum pump of a medical vacuum negative air machine. The control device and the control method for the medical vacuum negative air machine facility overcome the technical defects that when the vacuum pump is started or stopped, due to the overload of the vacuum pump, great vibrations are produced, the stable operation of the machine is affected and the noise is loud. The control device and the control method for the medical vacuum negative air machine facility comprise the vacuum pump. The vacuum pump is connected with an air storage tank through an airway tube. A first electromagnetic valve is arranged on the airway tube between the vacuum pump and the air storage tank. The first electromagnetic valve and the vacuum pump are connected with a control unit. The control device and the control method for the medical vacuum negative air machine facility are characterized by further comprising a start-stop vacuum tank and a second electromagnetic valve. One end of the second electromagnetic valve is connected with the airway tube between the vacuum pump and the air storage tank. The other end of the second electromagnetic valve is connected with the start-stop vacuum tank. The control unit is further connected with and controls the second electromagnetic valve. When a start or a stop is conducted, the vacuum degree at an air pumping end is maintained and resistance at the air pumping end is reduced, so that the load of the vacuum pump is reduced, the overload of the vacuum pump is avoided, the service life of the vacuum pump is prolonged, the great vibrations produced in the continual start and stop process of the vacuum negative air machine can be reduced greatly, the medical vacuum negative air machine can run stably and the noise produced by the vibrations is reduced at the same time.
Description
Technical field
The present invention relates to medical vacuum Negative pressure machine technical field, be specifically related to the vacuum pump on off control aspect of medical vacuum Negative pressure machine.
Background technique
The medical vacuum Negative pressure machine is the sourceof negative pressure of medical central sucking system, be the unit at central suction station, by the suction of vacuum pump unit, make the attraction system pipeline reach required negative pressure value, end in operating room, rescue room, therapeutic room and each ward produces suction, provides medical treatment to use.
The medical vacuum Negative pressure machine has two Nash hytors usually, and under " automatically " working state, one is main, and one is auxiliary.Two pump alternations, standby each other, when single pump pumping speed is inadequate, double pump is worked simultaneously; Under " manually " working state, a job, one is standby, also can two works simultaneously, with the continual normal operation of assurance system.
The load of Nash hytor reduces along with the increase of degree of vacuum.When resistance of air was large in container, vacuum pump often was operated in overload, and along with the increase of degree of vacuum, electric current descends, the motor normal operation.
Summary of the invention
In sum, the object of the invention is to solve vacuum pump when starting or stoping, because of vacuum pump overload produce than big bang, affect the machine smooth running, the technical deficiencies such as noise is large, and auxiliary system and the controlling method of a kind of medical vacuum Negative pressure machine vacuum pump start and stop that propose.
For solving technical problem proposed by the invention, the technological scheme that adopts is: a kind of medical vacuum Negative pressure machine plant control unit, include vacuum pump, vacuum pump is connected with gas holder by air pipe, be provided with the first solenoid valve on the air pipe between vacuum pump and gas holder, described the first solenoid valve and vacuum pump are connected with control unit; It is characterized in that: also include start and stop vacuum tank and the second solenoid valve; Described the second a solenoid valve wherein end connects air pipe between the first solenoid valve and vacuum pump, and the other end connects the start and stop vacuum tank; Described control unit also connects controls the second solenoid valve.
Described start and stop vacuum tank capacity is less than gas holder.
The controlling method of described auxiliary system, it is characterized in that: after control unit is received the electrical signal that general control system requirement vacuum pump starts working, control unit sends control signal, the second solenoid valve is opened, the first closed electromagnetic valve, just start working through scheduled time T1 final vacuum pump, control unit is controlled and is closed the second solenoid valve, opens the first solenoid valve after scheduled time T2 again, makes vacuum pump begin to extract the interior gas of gas holder, makes negative pressure; After control unit is received the out-of-work electrical signal of general control system requirement vacuum pump; open the second solenoid valve, close the first solenoid valve; control unit is controlled vacuum pump outage shutdown after scheduled time T3 again, closes the second solenoid valve through scheduled time T4 more afterwards.
Beneficial effect of the present invention is: auxiliary system of the present invention and method at vacuum pump when starting or stoping, keep the degree of vacuum of the end of bleeding, the resistance of the end that reduces to bleed makes the load of vacuum pump reduce, prevent the vacuum pump overload, the working life of improving vacuum pump.
Auxiliary by to the vacuum pump start and stop of this auxiliary system and method, can significantly reduce the negative pressure of vacuum machine constantly start and stopping process in produce than big bang, make the machine smooth running, reduce simultaneously the noise because of the vibrations generation.
Description of drawings
Fig. 1 is structural principle schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and the preferred specific embodiment of the present invention, the structure of inventing is further described.
Shown in Fig. 1, medical vacuum Negative pressure machine plant control unit of the present invention includes vacuum pump 1, gas holder 2, the first solenoid valve 3, start and stop vacuum tank 4, the second solenoid valve 5 and control unit;
When starting or stoping, keep the degree of vacuum of the end of bleeding for vacuum pump 1, the resistance of the end that reduces to bleed makes the load of vacuum pump reduce, and prevents that the method concrete processed of vacuum pump overload from being:
After control unit is received the electrical signal that general control system requirement vacuum pump starts working, control unit sends control signal, the second solenoid valve 5 is opened, the first solenoid valve 3 cuts out, just start working through scheduled time T1 final vacuum pump 1, control unit is controlled and is closed the second solenoid valve 5, opens the first solenoid valve 3 after scheduled time T2 again, make vacuum pump 1 begin to extract the interior gas of gas holder 2, make negative pressure;
After control unit is received the out-of-work electrical signal of general control system requirement vacuum pump; open the second solenoid valve 5, close the first solenoid valve 3; control unit is controlled vacuum pump 1 outage shutdown after scheduled time T3 again, closes the second solenoid valve 5 through scheduled time T4 more afterwards.
In specific implementation process, described scheduled time T1, T2, T3, negative pressure value that T4 can be required according to gas holder 2 and the volume size of start and stop vacuum tank 4 are set, and for example: scheduled time T1 is 3s, and scheduled time T2 is 5s, scheduled time T3 is 3s, and scheduled time T4 is 5s.
The first solenoid valve 3 is opened, when the second solenoid valve 5 cuts out: the load of vacuum pump 1 is the normal operation load, and the vacuum keep in start and stop vacuum tank 4 is constant.
The first solenoid valve 3 cuts out, when the second solenoid valve 5 is opened: the load of vacuum pump 1 is the start and stop load, vacuum pump 1 bleed the end degree of vacuum interior consistent with start and stop vacuum tank 4.
Claims (3)
1. medical vacuum Negative pressure machine plant control unit, include vacuum pump, vacuum pump is connected with gas holder by air pipe, is provided with the first solenoid valve on the air pipe between vacuum pump and gas holder, and described the first solenoid valve and vacuum pump are connected with control unit; It is characterized in that: also include start and stop vacuum tank and the second solenoid valve; Described the second a solenoid valve wherein end connects air pipe between the first solenoid valve and vacuum pump, and the other end connects the start and stop vacuum tank; Described control unit also connects controls the second solenoid valve.
2. a kind of medical vacuum Negative pressure machine plant control unit according to claim 1, it is characterized in that: described start and stop vacuum tank capacity is less than gas holder.
3. the controlling method of claim 1 or control gear claimed in claim 2, it is characterized in that: after control unit is received the electrical signal that general control system requirement vacuum pump starts working, control unit sends control signal, the second solenoid valve is opened, the first closed electromagnetic valve, just start working through scheduled time T1 final vacuum pump, control unit is controlled and is closed the second solenoid valve, opens the first solenoid valve after scheduled time T2 again, makes vacuum pump begin to extract the interior gas of gas holder, makes negative pressure; After control unit is received the out-of-work electrical signal of general control system requirement vacuum pump; open the second solenoid valve, close the first solenoid valve; control unit is controlled vacuum pump outage shutdown after scheduled time T3 again, closes the second solenoid valve through scheduled time T4 more afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310070429.3A CN103089684B (en) | 2013-03-06 | 2013-03-06 | A kind of medical vacuum Negative pressure machine plant control unit and controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310070429.3A CN103089684B (en) | 2013-03-06 | 2013-03-06 | A kind of medical vacuum Negative pressure machine plant control unit and controlling method |
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| CN103089684A true CN103089684A (en) | 2013-05-08 |
| CN103089684B CN103089684B (en) | 2015-11-18 |
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| CN201310070429.3A Active CN103089684B (en) | 2013-03-06 | 2013-03-06 | A kind of medical vacuum Negative pressure machine plant control unit and controlling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581833A (en) * | 2017-01-18 | 2017-04-26 | 蔡小奇 | Breathing machine |
| CN106730065A (en) * | 2017-01-18 | 2017-05-31 | 蔡小奇 | A kind of negative pressure generation system and negative pressure production method |
| CN110141441A (en) * | 2019-06-10 | 2019-08-20 | 华晨专用车装备科技（大连）有限公司 | The isolation cabin device for having negative pressure ventilation epidemic prevention medical functions |
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| JPS58140492A (en) * | 1982-02-15 | 1983-08-20 | Nissan Motor Co Ltd | Starter for electric vacuum pump |
| JPS62103477A (en) * | 1985-10-31 | 1987-05-13 | Mitsubishi Electric Corp | Vacuum exhaust control device for flywheel device |
| JP2006334558A (en) * | 2005-06-06 | 2006-12-14 | Denso Corp | Mount-on-vehicle type oxygen enrichment apparatus |
| CN201279291Y (en) * | 2008-10-27 | 2009-07-29 | 山东新华医疗器械股份有限公司 | Evacuation tube of sterilizer |
| CN201568259U (en) * | 2009-11-19 | 2010-09-01 | 阳光硅谷电子科技有限公司 | Automatic decompression started vacuum pump |
| CN202707489U (en) * | 2012-05-30 | 2013-01-30 | 上海宝田新型建材有限公司 | Device for prolonging service life of COREX vertical mill Roots blower |
| CN203146384U (en) * | 2013-03-06 | 2013-08-21 | 深圳市尚荣医疗股份有限公司 | Medical vacuum negative pressure machine equipment control device |
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2013
- 2013-03-06 CN CN201310070429.3A patent/CN103089684B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58140492A (en) * | 1982-02-15 | 1983-08-20 | Nissan Motor Co Ltd | Starter for electric vacuum pump |
| JPS62103477A (en) * | 1985-10-31 | 1987-05-13 | Mitsubishi Electric Corp | Vacuum exhaust control device for flywheel device |
| JP2006334558A (en) * | 2005-06-06 | 2006-12-14 | Denso Corp | Mount-on-vehicle type oxygen enrichment apparatus |
| CN201279291Y (en) * | 2008-10-27 | 2009-07-29 | 山东新华医疗器械股份有限公司 | Evacuation tube of sterilizer |
| CN201568259U (en) * | 2009-11-19 | 2010-09-01 | 阳光硅谷电子科技有限公司 | Automatic decompression started vacuum pump |
| CN202707489U (en) * | 2012-05-30 | 2013-01-30 | 上海宝田新型建材有限公司 | Device for prolonging service life of COREX vertical mill Roots blower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106581833A (en) * | 2017-01-18 | 2017-04-26 | 蔡小奇 | Breathing machine |
| CN106730065A (en) * | 2017-01-18 | 2017-05-31 | 蔡小奇 | A kind of negative pressure generation system and negative pressure production method |
| CN106581833B (en) * | 2017-01-18 | 2024-02-06 | 北京雅果科技有限公司 | Breathing machine |
| CN106730065B (en) * | 2017-01-18 | 2024-03-08 | 北京雅果科技有限公司 | Negative pressure generating system and negative pressure generating method |
| CN110141441A (en) * | 2019-06-10 | 2019-08-20 | 华晨专用车装备科技（大连）有限公司 | The isolation cabin device for having negative pressure ventilation epidemic prevention medical functions |
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| Publication number | Publication date |
|---|---|
| CN103089684B (en) | 2015-11-18 |
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