CN103712742B - A kind of pressure detection circuit - Google Patents
A kind of pressure detection circuit Download PDFInfo
- Publication number
- CN103712742B CN103712742B CN201310709999.2A CN201310709999A CN103712742B CN 103712742 B CN103712742 B CN 103712742B CN 201310709999 A CN201310709999 A CN 201310709999A CN 103712742 B CN103712742 B CN 103712742B
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- China
- Prior art keywords
- pressure
- main valve
- direct current
- parallel circuit
- pressure controller
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Abstract
The invention discloses a kind of pressure detection circuit, include two pressure controllers, each pressure controller controls to have access to pressure unit respectively separately, one of them pressure controller is connected with an electromagnetism main valve one end, the parallel circuit access direct current 24V power supply that the parallel connection of plurality of electromagnetic valve is formed, the end that connects altogether of parallel circuit negative pole is connected with another terminals of electromagnetism main valve, and the end that connects altogether of parallel circuit positive pole is connected with the pressure controller that electromagnetism main valve accesses.The present invention has rational solenoid control layout, contributes to the testing calibration precision improving manometer.
Description
Technical field
The present invention relates to pressure-detecting device field, be specially a kind of pressure detection circuit.
Background technology
Manometer needs to carry out detecting, calibrating before use.Existing manometer testing calibration device, the control layout of its solenoid valve is unreasonable, can have a negative impact to accuracy of detection.
Summary of the invention
The object of this invention is to provide a kind of pressure detection circuit, to solve the irrational problem of prior art manometer testing calibration device solenoid control layout.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of pressure detection circuit, it is characterized in that: include two pressure controllers, the power end of two pressure controllers accesses 220V power supply respectively, each pressure controller controls to have access to pressure unit respectively separately, one of them pressure controller is also connected with terminals of an electromagnetism main valve, also include the parallel circuit that the parallel connection of plurality of electromagnetic valve is formed, each solenoid valve separately terminals connects rear access direct current 24V power cathode altogether, each solenoid valve separately another terminals connects rear access direct current 24V power positive cathode altogether, and each solenoid valve is serially connected with switch respectively, the end that connects altogether of described parallel circuit access direct current 24V power cathode is connected with another terminals of electromagnetism main valve, the end that connects altogether of described parallel circuit access direct current 24V positive source is connected with the pressure controller that electromagnetism main valve accesses.
The present invention has rational solenoid control layout, contributes to the testing calibration precision improving manometer.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
As shown in Figure 1.A kind of pressure detection circuit, include two pressure controller U1, U2, two pressure controller U1, the power end of U2 accesses 220V power supply respectively, each pressure controller U1, U2 controls to have access to pressure unit Y1 respectively separately, Y2, one of them pressure controller U2 is also connected with terminals of an electromagnetism main valve J9, also include the parallel circuit that eight groups of solenoid valve J1-J8 parallel connections are formed, each solenoid valve separately terminals connects rear access direct current 24V power cathode altogether, each solenoid valve separately another terminals connects rear access direct current 24V power positive cathode altogether, and each solenoid valve is serially connected with switch S 1-S8 respectively, the end that connects altogether of parallel circuit access direct current 24V power cathode is connected with another terminals of electromagnetism main valve J9, the end that connects altogether of parallel circuit access direct current 24V positive source is connected with the pressure controller U2 that electromagnetism main valve J9 accesses.
Claims (1)
1. a pressure detection circuit, it is characterized in that: include two pressure controllers, the power end of two pressure controllers accesses 220V power supply respectively, each pressure controller controls to have access to pressure unit respectively separately, one of them pressure controller is also connected with terminals of an electromagnetism main valve, also include the parallel circuit that the parallel connection of plurality of electromagnetic valve is formed, each solenoid valve separately terminals connects rear access direct current 24V power cathode altogether, each solenoid valve separately another terminals connects rear access direct current 24V power cathode altogether, and each solenoid valve is serially connected with switch respectively, the end that connects altogether of described parallel circuit access direct current 24V power cathode is connected with another terminals of electromagnetism main valve, the end that connects altogether of described parallel circuit access direct current 24V positive source is connected with the pressure controller that electromagnetism main valve accesses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709999.2A CN103712742B (en) | 2013-12-18 | 2013-12-18 | A kind of pressure detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310709999.2A CN103712742B (en) | 2013-12-18 | 2013-12-18 | A kind of pressure detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103712742A CN103712742A (en) | 2014-04-09 |
| CN103712742B true CN103712742B (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310709999.2A Expired - Fee Related CN103712742B (en) | 2013-12-18 | 2013-12-18 | A kind of pressure detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103712742B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023725A1 (en) * | 1990-07-26 | 1992-02-27 | Eckardt Ag | Measured value signalisation system - with interruption or short-circuit of measuring lines at measuring device |
| CN2290892Y (en) * | 1997-05-16 | 1998-09-09 | 中国科学院合肥智能机械研究所 | Automatic monitoring and controlling device of intelligent IC card gasometer |
| DE10304024A1 (en) * | 2002-02-15 | 2003-08-21 | Continental Teves Ag & Co Ohg | Method for testing a sensor arrangement, especially a pressure sensor arrangement in an electronically regulated motor vehicle braking system, whereby provision of separable connections to a measurement bridge speeds operation |
| CN201041522Y (en) * | 2007-04-10 | 2008-03-26 | 辽阳新力源电站矿山设备有限公司 | Pressure detection device |
| CN102252805A (en) * | 2011-05-26 | 2011-11-23 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN103234686A (en) * | 2013-03-26 | 2013-08-07 | 深圳市南方泰科软件技术有限公司 | Pressure detection circuit and digital display pressure gauge |
| CN203643084U (en) * | 2013-12-18 | 2014-06-11 | 安徽睿联汽车传感器工程技术有限公司 | Voltage detecting circuit |
-
2013
- 2013-12-18 CN CN201310709999.2A patent/CN103712742B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4023725A1 (en) * | 1990-07-26 | 1992-02-27 | Eckardt Ag | Measured value signalisation system - with interruption or short-circuit of measuring lines at measuring device |
| CN2290892Y (en) * | 1997-05-16 | 1998-09-09 | 中国科学院合肥智能机械研究所 | Automatic monitoring and controlling device of intelligent IC card gasometer |
| DE10304024A1 (en) * | 2002-02-15 | 2003-08-21 | Continental Teves Ag & Co Ohg | Method for testing a sensor arrangement, especially a pressure sensor arrangement in an electronically regulated motor vehicle braking system, whereby provision of separable connections to a measurement bridge speeds operation |
| CN201041522Y (en) * | 2007-04-10 | 2008-03-26 | 辽阳新力源电站矿山设备有限公司 | Pressure detection device |
| CN102252805A (en) * | 2011-05-26 | 2011-11-23 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN103234686A (en) * | 2013-03-26 | 2013-08-07 | 深圳市南方泰科软件技术有限公司 | Pressure detection circuit and digital display pressure gauge |
| CN203643084U (en) * | 2013-12-18 | 2014-06-11 | 安徽睿联汽车传感器工程技术有限公司 | Voltage detecting circuit |
Non-Patent Citations (1)
| Title |
|---|
| 高频管道压力检测电路的设计;程军等;《武汉职业技术学院学报》;20101231(第05期);80-82 * |
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| Publication number | Publication date |
|---|---|
| CN103712742A (en) | 2014-04-09 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20201218 |