CN108678940A - A kind of controller system and vacuum pump - Google Patents
A kind of controller system and vacuum pump Download PDFInfo
- Publication number
- CN108678940A CN108678940A CN201810469372.7A CN201810469372A CN108678940A CN 108678940 A CN108678940 A CN 108678940A CN 201810469372 A CN201810469372 A CN 201810469372A CN 108678940 A CN108678940 A CN 108678940A
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- CN
- China
- Prior art keywords
- pressure
- vacuum pump
- controller
- pressure value
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Abstract
The invention discloses a kind of controller system and vacuum pump, controller system includes：Absolute pressure transducer, the height above sea level of environment where absolute pressure transducer can detect；Relative pressure sensor, relative pressure sensor can detect the pressure value inside vacuum pump；Controller, absolute pressure transducer and relative pressure sensor are connect with controller signals, and controller is connect with vacuum pump signal, and the altitude signal that controller can be exported according to absolute pressure transducer adjusts the startup of vacuum pump and stops corresponding pressure value.In use, the altitude signal detected is transmitted to controller by absolute pressure transducer, controller adjusts the startup of vacuum pump and stops corresponding pressure value according to the altitude signal detected.Even if the present invention, after extraneous altitude change, controller system can still control vacuum pump normal work.
Description
Technical field
The present invention relates to vacuum pump technology fields, more particularly, to a kind of controller system and vacuum pump.
Background technology
Currently, the controller system of existing vacuum pump includes controller and relative pressure sensor, relative pressure sensor
The atmospheric pressure detected is transmitted to controller, controller controls the opening and closing of vacuum pump according to the pressure signal received.Due to control
Device system processed is that the threshold values of vacuum pump is controlled according to the atmospheric pressure in Plain, and therefore, after height above sea level improves, controller system is also
Vacuum pump cisco unity malfunction is frequently resulted according to the threshold values control vacuum pump under standard atmospheric pressure force value.
Therefore, how after extraneous altitude change, it is this field skill that controller system, which can control vacuum pump normal work,
Art personnel technical problem urgently to be resolved hurrily.
Invention content
In view of this, the first purpose of the invention is to provide a kind of controller system, after extraneous altitude change, to control
Device system processed can control vacuum pump normal work.
Second object of the present invention is to provide a kind of vacuum pump.
In order to realize above-mentioned first purpose, the present invention provides following schemes：
A kind of controller system, including：
Absolute pressure transducer, the height above sea level of environment where the absolute pressure transducer can detect；
Relative pressure sensor, the relative pressure sensor can detect the pressure value inside vacuum pump；
Controller, the absolute pressure transducer and the relative pressure sensor are connected with the controller in a signal way.,
The controller is connect with vacuum pump signal, the height above sea level that the controller can be exported according to the absolute pressure transducer
Signal adjusts the startup of the vacuum pump and stops corresponding pressure value.
Preferably, in above controller system, when the absolute pressure transducer detects that the height above sea level is less than
Or when equal to the first preset height value, the relative pressure sensor detects that the pressure value is greater than or equal to first and opens pressure
Force value, and stop pressure value less than first, the controller can control the vacuum pump and open, when the relative pressure senses
When device detects that the pressure value is greater than or equal to the first stopping pressure value, the controller can control the vacuum pump
It closes；
When the absolute pressure transducer detect the height above sea level be more than the first preset height value, and be less than or
When equal to the second preset height value, the relative pressure sensor detects that the pressure value is greater than or equal to the second Opening pressure
Value, and stop pressure value less than second, the controller can control the vacuum pump and open, when the relative pressure sensor
When detecting that the pressure value is greater than or equal to the second stopping pressure value, the controller can control the vacuum pump and close
It closes；
When the absolute pressure transducer detect the height above sea level be more than the second preset height value, and be less than or
When equal to third preset height value, the relative pressure sensor detects that the pressure value is greater than or equal to third Opening pressure
Value, and stop pressure value less than third, the controller can control the vacuum pump and open, when the relative pressure sensor
When detecting that the pressure value is greater than or equal to third stopping pressure value, the controller can control the vacuum pump and close
It closes；
When the absolute pressure transducer detects that the height above sea level is more than third preset height value, the opposite pressure
Force snesor detects that the pressure value is greater than or equal to the 4th Opening pressure value, and stops pressure value, the control less than the 4th
Device processed can control the vacuum pump and open, when the relative pressure sensor detects the pressure value more than or equal to described
When the 4th stopping pressure value, the controller can control the vacuum pump and close.
Preferably, in above controller system, the first preset height value is 1000 meters；
The second preset height value is 2000 meters；
The third preset height value is 3000 meters；
The first Opening pressure value is -50 megapascal of vacuum relative pressure；
The second Opening pressure value is -40 megapascal of vacuum relative pressure；
The third Opening pressure value is -30 megapascal of vacuum relative pressure；
The 4th Opening pressure value is -30 megapascal of vacuum relative pressure；
Described first stops pressure value as -70 megapascal of vacuum relative pressure；
Described second stops pressure value as -60 megapascal of vacuum relative pressure；
It is -50 megapascal of vacuum relative pressure that the third, which stops pressure value,；
Described 4th stops pressure value as -40 megapascal of vacuum relative pressure.
Preferably, in above controller system, the relative pressure sensor is mounted in the vacuum pump.
Preferably, in above controller system, the absolute pressure transducer be mounted on the vacuum pump on, and with institute
It is conducted in the air of environment.
It can be seen from the above technical scheme that controller system disclosed by the invention, in use, absolute pressure transducer
The pressure of environment where detecting, and corresponding altitude signal is transmitted to controller, controller is according to the height above sea level detected
Altitude signal adjusts the startup of vacuum pump and stops corresponding pressure value, when relative pressure sensor detects in vacuum pump
When pressure reaches vacuum pump startup pressure, vacuum pump startup, when relative pressure sensor detects that the pressure in vacuum pump reaches
When the stopping pressure of vacuum pump, vacuum pump stops.Controller system disclosed by the invention, due to the setting of absolute pressure transducer
Even if making after extraneous altitude change, controller system can still control vacuum pump normal work.
In order to realize above-mentioned second purpose, the present invention provides following schemes：
A kind of vacuum pump includes the controller system as described in above-mentioned any one.
It can be seen from the above technical scheme that since vacuum pump provided by the invention includes the control in above-mentioned any one
Device system processed, therefore, the vacuum pump disclosed by the invention of advantageous effect possessed by controller system is included.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of controller system provided by the invention.
Wherein, in Fig. 1：
Absolute pressure transducer 1, relative pressure sensor 2, controller 3.
Specific implementation mode
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art be better understood from technical scheme of the present invention
Applying mode, the present invention is described in further detail.
Embodiment one
As shown in Figure 1, the invention discloses a kind of controller systems, wherein controller system includes absolute pressure sensor
Device 1, relative pressure sensor 2 and controller 3.
The height above sea level of environment where absolute pressure transducer 1 can detect, absolute pressure transducer 1 and place environment
Air communicates, the pressure value of environment where being able to detect that, can be by conversion equipment by pressure according to the pressure value detected
Value signal is converted to corresponding altitude signal.Absolute pressure transducer 1 can be piezoresistor type absolute pressure sensor
Device 1 or Capacitive Absolute Pressure Sensor 1.
Relative pressure sensor 2 can detect the pressure value inside vacuum pump.
Absolute pressure transducer 1 and relative pressure sensor 2 are connect with 3 signal of controller, and controller 3 is believed with vacuum pump
Number connection, controller 3 can according to absolute pressure transducer 1 export altitude signal adjust vacuum pump startup and stopping
Corresponding pressure value.
Controller system disclosed by the invention, in use, absolute pressure transducer 1 detects the pressure of place environment, and
Corresponding altitude signal is transmitted to controller 3, controller 3 adjusts vacuum pump according to the altitude signal detected
Start and stop corresponding pressure value, when relative pressure sensor 2 detects that the pressure in vacuum pump reaches vacuum pump startup pressure
When power, vacuum pump startup, when relative pressure sensor 2 detects that the pressure in vacuum pump reaches the stopping pressure of vacuum pump,
Vacuum pump stops.Controller system disclosed by the invention, since the setting of absolute pressure transducer 1 makes even if in extraneous height above sea level
After variation, controller system can still control vacuum pump normal work.
Embodiment two
In second embodiment provided by the invention, the controller in controller system and embodiment one in the present embodiment
The structure of system is similar, is just repeated no more to something in common, only introduces difference.
In the present embodiment, it specifically discloses when absolute pressure transducer 1 detects that height above sea level is less than or equal to first
When preset height value, relative pressure sensor 2 detects that pressure value is greater than or equal to the first Opening pressure value, and stops less than first
Only pressure value, controller 3 can control vacuum pump unlatching, when relative pressure sensor 2 detects that pressure value is greater than or equal to the
When one stopping pressure value, controller 3 can control vacuum pump closing.
When absolute pressure transducer 1 detects height above sea level more than the first preset height value, and in advance less than or equal to second
If when height value, relative pressure sensor 2 detects that pressure value is greater than or equal to the second Opening pressure value, and stops less than second
Pressure value, controller 3 can control vacuum pump unlatching, when relative pressure sensor 2 detects that pressure value is greater than or equal to second
When stopping pressure value, controller 3 can control vacuum pump closing.
When absolute pressure transducer 1 detect height above sea level be more than the second preset height value, and less than or equal to third it is pre-
If when height value, relative pressure sensor 2 detects that pressure value is greater than or equal to third Opening pressure value, and stops less than third
Pressure value, controller 3 can control vacuum pump unlatching, when relative pressure sensor 2 detects that pressure value is greater than or equal to third
When stopping pressure value, controller 3 can control vacuum pump closing.
When absolute pressure transducer 1 detects that height above sea level is more than third preset height value, relative pressure sensor 2 is examined
It measures pressure value and is greater than or equal to the 4th Opening pressure value, and stop pressure value less than the 4th, controller 3 can control vacuum pump
It opens, when relative pressure sensor 2 detects that pressure value is greater than or equal to the 4th stopping pressure value, controller 3 can control
Vacuum pump is closed.
Further, inventor obtains by creative test of many times：First preset height value is 1000 meters；The
Two preset height values are that 2000 meters of third preset height values are 3000 meters.First Opening pressure value is vacuum relative pressure -50
Megapascal (- 50 megapascal refer to extracting the pressure of 50 megapascal out from vacuum pump), the second Opening pressure value are vacuum relative pressure -40
Megapascal, third Opening pressure value are -30 megapascal of vacuum relative pressure, and the 4th Opening pressure value is vacuum relative pressure -30
Megapascal.First stops pressure value as -70 megapascal of vacuum relative pressure, and second stops pressure value as vacuum relative pressure -60
Megapascal, it is -50 megapascal of vacuum relative pressure that third, which stops pressure value, and the 4th stops pressure value as vacuum relative pressure -40
Megapascal.
Further, the invention discloses relative pressure sensors 2 to be mounted in vacuum pump, convenient in detection vacuum pump
Pressure can also communicate 2 external vacuum pump of relative pressure sensor inside relative pressure sensor 2 and vacuum pump.
Further, the invention discloses absolute pressure transducer 1 be mounted on vacuum pump on, and with the air of place environment
It is conducted.
Controller system disclosed by the invention, when absolute pressure transducer 1 detects that height above sea level is less than or equal to 1000
Meter Shi, relative pressure sensor 2 detects that pressure value is greater than or equal to -50 megapascal, and is less than -70 megapascal, and controller 3 controls very
Sky pump is opened, and when relative pressure sensor 2 detects that pressure value is greater than or equal to -70 megapascal, controller 3 controls vacuum pump and closes
It closes.
It is opposite to press when absolute pressure transducer 1 detects that height above sea level is more than 1000 meters, and is less than or equal to 2000 meters
Force snesor 2 detects that pressure value is greater than or equal to -40 megapascal, and is less than -60 megapascal, and controller 3 controls vacuum pump and opens, when
When relative pressure sensor 2 detects that pressure value is greater than or equal to -60 megapascal, controller 3 controls vacuum pump and closes.
It is opposite to press when absolute pressure transducer 1 detects that height above sea level is more than 2000 meters, and is less than or equal to 3000 meters
Force snesor 2 detects that pressure value is greater than or equal to -30 megapascal, and is less than -50 megapascal, and controller 3 controls vacuum pump and opens, when
When relative pressure sensor 2 detects that pressure value is greater than or equal to -50 megapascal, controller 3 controls vacuum pump and closes.
When absolute pressure transducer 1 detects that height above sea level is more than 3000 meters, relative pressure sensor 2 detects pressure
Value is greater than or equal to -30 megapascal, and is less than -40 megapascal, and controller 3 can control vacuum pump unlatching, when relative pressure sensor 2
When detecting that pressure value is greater than or equal to -40 megapascal, controller 3 can control vacuum pump closing.
Controller system disclosed by the invention, the height above sea level of environment where capable of being detected by absolute pressure transducer 1
Degree, controller 3 adjust the start and stop pressure value of vacuum pump so that even if after extraneous altitude change, controller system still can
Control vacuum pump normal work.
Embodiment three
Include the controller system as described in above-mentioned any one embodiment the invention discloses a kind of vacuum pump.
Since vacuum pump provided by the invention includes the controller system in above-mentioned any one embodiment, control
The vacuum pump disclosed by the invention of advantageous effect possessed by device system included.
" first " in the present invention, " second " etc. are to be distinguished in description, without others particular meanings.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and inventive features phase
Consistent widest range.
Claims (6)
1. a kind of controller system, which is characterized in that including：
Absolute pressure transducer (1), the height above sea level of environment where the absolute pressure transducer (1) can be detected；
Relative pressure sensor (2), the relative pressure sensor (2) can detect the pressure value inside vacuum pump；
Controller (3), the absolute pressure transducer (1) and the relative pressure sensor (2) are believed with the controller (3)
Number connection, the controller (3) connect with vacuum pump signal, and the controller (3) can be according to the absolute pressure transducer
(1) altitude signal exported adjusts the startup of the vacuum pump and stops corresponding pressure value.
2. controller system according to claim 1, which is characterized in that when the absolute pressure transducer (1) detects
When the height above sea level is less than or equal to the first preset height value, the relative pressure sensor (2) detects the pressure value
More than or equal to the first Opening pressure value, and stop pressure value less than first, the controller (3) can control the vacuum pump
It opens, when the relative pressure sensor (2) detects that the pressure value is greater than or equal to the first stopping pressure value, institute
The vacuum pump closing can be controlled by stating controller (3)；
When the absolute pressure transducer (1) detect the height above sea level be more than the first preset height value, and be less than or
When equal to the second preset height value, the relative pressure sensor (2) detects that the pressure value is greater than or equal to second and opens
Pressure value, and stop pressure value less than second, the controller (3) can control the vacuum pump and open, when the opposite pressure
When force snesor (2) detects that the pressure value is greater than or equal to the second stopping pressure value, the controller (3) can control
The vacuum pump is made to close；
When the absolute pressure transducer (1) detect the height above sea level be more than the second preset height value, and be less than or
When equal to third preset height value, the relative pressure sensor (2) detects that the pressure value is opened more than or equal to third
Pressure value, and stop pressure value less than third, the controller (3) can control the vacuum pump and open, when the opposite pressure
When force snesor (2) detects that the pressure value is greater than or equal to third stopping pressure value, the controller (3) can control
The vacuum pump is made to close；
When the absolute pressure transducer (1) detects that the height above sea level is more than third preset height value, the opposite pressure
Force snesor (2) detects that the pressure value is greater than or equal to the 4th Opening pressure value, and stops pressure value less than the 4th, described
Controller (3) can control the vacuum pump and open, when the relative pressure sensor (2) detect the pressure value be more than or
When stopping pressure value equal to the described 4th, the controller (3) can control the vacuum pump and close.
3. controller system according to claim 2, which is characterized in that the first preset height value is 1000 meters；
The second preset height value is 2000 meters；
The third preset height value is 3000 meters；
The first Opening pressure value is -50 megapascal of vacuum relative pressure；
The second Opening pressure value is -40 megapascal of vacuum relative pressure；
The third Opening pressure value is -30 megapascal of vacuum relative pressure；
The 4th Opening pressure value is -30 megapascal of vacuum relative pressure；
Described first stops pressure value as -70 megapascal of vacuum relative pressure；
Described second stops pressure value as -60 megapascal of vacuum relative pressure；
It is -50 megapascal of vacuum relative pressure that the third, which stops pressure value,；
Described 4th stops pressure value as -40 megapascal of vacuum relative pressure.
4. controller system according to claim 1, which is characterized in that the relative pressure sensor (2) is mounted on institute
It states in vacuum pump.
5. according to the controller system described in any one of claim 1-4, which is characterized in that the absolute pressure transducer
(1) it is mounted on the vacuum pump, and is conducted with the air of place environment.
6. a kind of vacuum pump, which is characterized in that include the controller system as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469372.7A CN108678940A (en) | 2018-05-16 | 2018-05-16 | A kind of controller system and vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469372.7A CN108678940A (en) | 2018-05-16 | 2018-05-16 | A kind of controller system and vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108678940A true CN108678940A (en) | 2018-10-19 |
Family
ID=63806384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469372.7A Pending CN108678940A (en) | 2018-05-16 | 2018-05-16 | A kind of controller system and vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108678940A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870803A (en) * | 2021-03-08 | 2021-06-01 | 湖南金龙智造科技股份有限公司 | Intelligent grating for sewage filtration, grating cleaning device and pollutant cleaning method |
| CN112870803B (en) * | 2021-03-08 | 2024-04-23 | 湖南金龙智造科技股份有限公司 | Intelligent sewage filtering grid, grid cleaning device and pollutant cleaning method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060004539A1 (en) * | 2003-11-24 | 2006-01-05 | Paul Dozoretz | Integrated absolute and differential pressure transducer |
| CN105353691A (en) * | 2015-12-07 | 2016-02-24 | 北京新能源汽车股份有限公司 | Control circuit, control method and apparatus of electric vacuum pump of electric automobile |
| CN207120746U (en) * | 2017-07-05 | 2018-03-20 | 黄山徽熿新能源科技有限公司 | A kind of vacuum pump control system of dual pressure sensor |
-
2018
- 2018-05-16 CN CN201810469372.7A patent/CN108678940A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060004539A1 (en) * | 2003-11-24 | 2006-01-05 | Paul Dozoretz | Integrated absolute and differential pressure transducer |
| CN105353691A (en) * | 2015-12-07 | 2016-02-24 | 北京新能源汽车股份有限公司 | Control circuit, control method and apparatus of electric vacuum pump of electric automobile |
| CN207120746U (en) * | 2017-07-05 | 2018-03-20 | 黄山徽熿新能源科技有限公司 | A kind of vacuum pump control system of dual pressure sensor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870803A (en) * | 2021-03-08 | 2021-06-01 | 湖南金龙智造科技股份有限公司 | Intelligent grating for sewage filtration, grating cleaning device and pollutant cleaning method |
| CN112870803B (en) * | 2021-03-08 | 2024-04-23 | 湖南金龙智造科技股份有限公司 | Intelligent sewage filtering grid, grid cleaning device and pollutant cleaning method |
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Application publication date: 20181019 |