CN206546229U - A kind of precision resister vacuum meter sampling system - Google Patents
A kind of precision resister vacuum meter sampling system Download PDFInfo
- Publication number
- CN206546229U CN206546229U CN201720100721.9U CN201720100721U CN206546229U CN 206546229 U CN206546229 U CN 206546229U CN 201720100721 U CN201720100721 U CN 201720100721U CN 206546229 U CN206546229 U CN 206546229U
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- China
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- signal
- voltage signal
- sampling
- voltage
- power supply
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Abstract
The utility model provides a kind of precision resister vacuum meter sampling system, the vacuum values that wherein described Pirani gauge sensor is detected are converted into continuous voltage signal, the sample circuit is sampled to the voltage signal, the wireless signal sending module sends the voltage signal that sampling is obtained to the reception of wireless signals module, the wireless signal receiving module is sent to signal amplification circuit after the voltage signal of sampling is filtered by the traffic filter, the signal amplification circuit after the voltage signal amplification of sampling to sending to the digital processing unit, voltage signal after amplification is converted into data signal and shown by the display by the digital processing unit.The utility model provide precision resister vacuum meter sampling system can continually and steadily completion resistance sensing, and pass through resistance manometer, acquisition precision height.
Description
Technical field
The utility model is related to vacuum degree measurement technical field, particularly a kind of precision resister vacuum meter sampling system
System.
Background technology
The signal transmission form of current vacuum transducer is all wired transmission, and the accuracy of detection of vacuum transducer
It is relatively low, simultaneously because the unicity of power supply mode, the stable continuation used is poor.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of precision resister vacuum meter sampling system, it is wrapped
Include Pirani gauge sensor, sample circuit, wireless signal sending module, reception of wireless signals module, traffic filter, signal amplification
Circuit, digital processing unit, display；
The Pirani gauge sensor, sample circuit, wireless signal sending module are connected to power transfer device, described
Power transfer device connects a power supply, stand-by power supply respectively；The power transfer device includes a single-chip microcomputer, switching switch
With a voltage check device, when the voltage check device detects power supply output voltage deficiency, the single-chip microcomputer control
The system switching switch connection stand-by power supply is powered；
The vacuum values that the Pirani gauge sensor is detected are converted into continuous voltage signal, and the sample circuit is to described
Voltage signal is sampled, and the voltage signal that sampling is obtained is sent to the wireless signal and connect by the wireless signal sending module
Receive module, the wireless signal receiving module sent after the voltage signal of sampling is filtered by the traffic filter to
Signal amplification circuit, the signal amplification circuit is described to being sent after the voltage signal amplification of sampling to the digital processing unit
Voltage signal after amplification is converted into data signal and shown by the display by digital processing unit.
It is preferred that the Pirani gauge sensor is thin-film electro resistive sensor, biography is acted directly on by the pressure of medium
On the diaphragm of sensor, diaphragm is produced the micro-displacement being directly proportional to pressure medium, the resistance of sensor is changed, resistance
Change is converted into voltage signal.
The beneficial effects of the utility model：
The utility model provide precision resister vacuum meter sampling system can continually and steadily complete resistance sensing,
And by resistance manometer, acquisition precision is high.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that being further described below in conjunction with the accompanying drawings to the utility model.
The precision resister vacuum meter sampling system schematic diagram that Fig. 1 provides for the utility model embodiment.
Embodiment
Above content is only to the utility model structure example and explanation, the technology people of described the art
Member is made various modifications or supplement to described specific embodiment or substituted using similar mode, without departing from reality
With new structure or surmount scope defined in the claims, protection domain of the present utility model all should be belonged to.
As shown in figure 1, the utility model embodiment provides a kind of precision resister vacuum meter sampling system, it includes electricity
Resistance rule sensor 1, sample circuit 2, wireless signal sending module 3, reception of wireless signals module 4, traffic filter 8, signal are put
Big circuit 7, digital processing unit 6, display 5；
The Pirani gauge sensor 1, sample circuit 2, wireless signal sending module 3 are connected to power transfer device,
The power transfer device connects a power supply, stand-by power supply respectively；The power transfer device includes a single-chip microcomputer, switching
Switch and a voltage check device, when the voltage check device detects power supply output voltage deficiency, the monolithic
The machine control switching switch connection stand-by power supply is powered；
The vacuum values that the Pirani gauge sensor 1 is detected are converted into continuous voltage signal, described 2 pairs of institutes of sample circuit
State voltage signal to be sampled, the wireless signal sending module 3 sends the voltage signal that sampling is obtained to the wireless communication
The voltage signal of sampling is filtered by number receiving module 4, the wireless signal receiving module 4 by the traffic filter 8
After send to signal amplification circuit 7, sent after the voltage signal amplification of described 7 pairs of samplings of signal amplification circuit to the numeral
Voltage signal after amplification is converted into data signal and carried out by the display 5 by processor 6, the digital processing unit 6
Display.
In the present embodiment, the Pirani gauge sensor 1 is thin-film electro resistive sensor, is directly acted on by the pressure of medium
On the diaphragm of sensor, diaphragm is produced the micro-displacement being directly proportional to pressure medium, the resistance of sensor is changed, electricity
The change of resistance is converted into voltage signal.
The utility model provide precision resister vacuum meter sampling system can continually and steadily complete resistance sensing,
And by resistance manometer, acquisition precision is high.
Claims (2)
1. a kind of precision resister vacuum meter sampling system, it is characterised in that including Pirani gauge sensor, sample circuit, wireless
Signal transmitting module, reception of wireless signals module, traffic filter, signal amplification circuit, digital processing unit, display；
The Pirani gauge sensor, sample circuit, wireless signal sending module are connected to power transfer device, the power supply
Switching device connects a power supply, stand-by power supply respectively；The power transfer device includes a single-chip microcomputer, switching switch and one
Voltage check device, when the voltage check device detects power supply output voltage deficiency, the single-chip microcomputer controls institute
The switching switch connection stand-by power supply is stated to be powered；
The vacuum values that the Pirani gauge sensor is detected are converted into continuous voltage signal, and the sample circuit is to the voltage
Signal is sampled, and the wireless signal sending module sends the voltage signal that sampling is obtained to the reception of wireless signals mould
Block, the wireless signal receiving module is sent to signal after the voltage signal of sampling is filtered by the traffic filter
Amplifying circuit, the signal amplification circuit after the voltage signal amplification of sampling to sending to the digital processing unit, the numeral
Voltage signal after amplification is converted into data signal and shown by the display by processor.
2. a kind of precision resister vacuum meter sampling system as claimed in claim 1, it is characterised in that the Pirani gauge sensing
Device is thin-film electro resistive sensor, is acted directly on by the pressure of medium on the diaphragm of sensor, diaphragm is produced and medium
The micro-displacement that pressure is directly proportional, makes the resistance of sensor change, and the change of resistance is converted into voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100721.9U CN206546229U (en) | 2017-01-24 | 2017-01-24 | A kind of precision resister vacuum meter sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100721.9U CN206546229U (en) | 2017-01-24 | 2017-01-24 | A kind of precision resister vacuum meter sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206546229U true CN206546229U (en) | 2017-10-10 |
Family
ID=59992664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720100721.9U Expired - Fee Related CN206546229U (en) | 2017-01-24 | 2017-01-24 | A kind of precision resister vacuum meter sampling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206546229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341947A (en) * | 2018-12-06 | 2019-02-15 | 北京东方计量测试研究所 | A kind of vacuum system field calibration method based on wireless transmission |
| CN109974931A (en) * | 2019-04-30 | 2019-07-05 | 国网安徽省电力有限公司培训中心 | A kind of accurate electron vacuum gage of reverse-filling |
| CN110940456A (en) * | 2018-12-12 | 2020-03-31 | 株式会社爱发科 | Pressure measuring system |
-
2017
- 2017-01-24 CN CN201720100721.9U patent/CN206546229U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341947A (en) * | 2018-12-06 | 2019-02-15 | 北京东方计量测试研究所 | A kind of vacuum system field calibration method based on wireless transmission |
| CN110940456A (en) * | 2018-12-12 | 2020-03-31 | 株式会社爱发科 | Pressure measuring system |
| CN110940456B (en) * | 2018-12-12 | 2021-09-28 | 株式会社爱发科 | Pressure measuring system |
| CN109974931A (en) * | 2019-04-30 | 2019-07-05 | 国网安徽省电力有限公司培训中心 | A kind of accurate electron vacuum gage of reverse-filling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171117 Address after: 230000 Anhui city of Hefei province high tech Zone osmanthus garden building 6 Room 401 Qiyuan cloud Patentee after: Hefei Ai Ruide Electric Applicance Co., Ltd Address before: Room 507, C District, National University of science and technology, No. 602, Mount Huangshan Road, Hefei high tech Zone, Anhui Province Patentee before: Hefei Huarui Vacuum Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20200124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |