CN103162893A - Multi-component smart pressure transmitter - Google Patents
Multi-component smart pressure transmitter Download PDFInfo
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- CN103162893A CN103162893A CN2013100842626A CN201310084262A CN103162893A CN 103162893 A CN103162893 A CN 103162893A CN 2013100842626 A CN2013100842626 A CN 2013100842626A CN 201310084262 A CN201310084262 A CN 201310084262A CN 103162893 A CN103162893 A CN 103162893A
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Abstract
The invention discloses a multi-component smart pressure transmitter. The multi-component smart pressure transmitter comprises a sensor foundation which is provided with a micro control unit smart board; a temperature sensor and at least two pressure sensors are arranged in the sensor foundation; measuring ends of all the pressure sensors are connected to measuring ports of the pressure transmitter respectively; and reference ends of all the pressure sensors are combined to be a unified pressure reference end. The pressure sensors can convert mechanical signals acquired by all the measuring ports into electrical signals, and transmit the electrical signals to a backward stage for signal processing, and is simple in structure, high in measuring accuracy and convenient to adjust.
Description
Technical field
The present invention relates to a kind of pressure checking device, relate in particular to a kind of many components intelligent pressure transmitter.
Background technology
In computing machine, robotization control procedure, gas, fluid pressure are carried out data acquisition with the employing pressure unit and detection is a kind of general method, in the process of pressure detection and data acquisition, often need to carry out simultaneously the collection of a plurality of pressure components to a collection point, in actual application, many pressure unit methods that distribute that adopt are carried out pressure detection and data acquisition more, give prominence to the following problem that exists in application: 1, multiple spot distribution transmitter layout, exist site error, can not accurately reflect each pressure component actual value; 2, multiple spot distribution transmitter layout, complex structure is not suitable with the occasion that installation dimension has requirement; 3, many sensor placement signals collecting, transmission wiring relative complex.For above deficiency, the invention provides single transmitter of a kind of employing a plurality of pressure components are gathered simultaneously, the solution of signal concentration of transmissions.
In prior art, similar multi-component measurements method: adopt compound little silicon solid state sensor as Chinese patent ZL200720013623.8-intelligent differential pressure transmitter, the combinations produce cost is high, complex process, and collection capacity is differential pressure value; Chinese patent ZL200810050195.5-integrated intelligent differential pressure type flowmeter adopts 2 distributed sensor samplings, finally exports take flow signal as main.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, measure many components intelligent pressure transmitter accurate, easy to adjust.
The objective of the invention is to be achieved through the following technical solutions:
Described many components intelligent pressure transmitter of the present invention, it is characterized in that, comprise sensor base, described sensor base is provided with the micro-control unit intelligent plate, temperature sensor and at least two pressure transducers are housed in described sensor base, and the signal of described temperature sensor and pressure transducer inputs to described micro-control unit intelligent plate.
As seen from the above technical solution provided by the invention, many components intelligent pressure transmitter that the embodiment of the present invention provides, due to the adopts pressure sensor integrative packaging, built-in temperature sensor, pressure transducer can be converted to the mechanical signal of each component of gathering electric signal and be sent to rear class and carry out signal and process, simple in structure, measure accurate, easy to adjust.
Description of drawings
The structural representation of many components intelligent pressure transmitter that Fig. 1 provides for the embodiment of the present invention;
The theory diagram of many components intelligent pressure transmitter that Fig. 2 provides for the embodiment of the present invention.
In figure: 1, pressure transducer, 2, pressure transducer, 3, sensor base, 4, the micro-control unit intelligent plate, 5, temperature sensor.
Embodiment
The below will be described in further detail the embodiment of the present invention.
Many components intelligent pressure transmitter of the present invention, its better embodiment be as shown in Figure 1 and Figure 2:
Comprise sensor base, described sensor base is provided with the micro-control unit intelligent plate, temperature sensor and at least two pressure transducers are housed in described sensor base, and the signal of described temperature sensor and pressure transducer inputs to described micro-control unit intelligent plate.
Described micro-control unit intelligent plate comprises control module, and described control module is connected with keyboard input module, display module, analog output module, serial communication modular.
At least two pressure transducers are housed in described sensor base, and the measuring junction of each pressure transducer is connected to respectively each pressure measurement port of pressure unit, and the reference edge of each pressure transducer is combined into unified pressure reference edge.
Many components intelligent pressure transmitter of the present invention, adopt single transmitter that a plurality of pressure components are gathered simultaneously, the different pressures component signal is transmitted by simulating signal, digital signal, this transmitter can gather the differential pressure component between pressure component and each pressure component simultaneously, and pressure component transmits with standard analog amount and serial communication.
In the present invention, pressure mechanics signals collecting adopts at least two pressure sensor integrateds is encapsulated, each pressure transducer measuring junction is mounted to respectively each pressure measurement port of pressure unit, the reference edge of each pressure transducer is combined into unified pressure reference edge, simultaneously built-in temperature sensor.Pressure transducer is converted to electric signal with the mechanical signal of each pressure port collection and is sent to rear class and carries out signal and process.
Transducer signal is processed and is adopted the soft and hardware array mode to complete, and hardware is comprised of micro-control unit and auxiliary circuit, and its function is sensor die analog signal hyperchannel analog to digital conversion, button is set, liquid crystal display, analog signal output circuit, serial communication output circuit; The software practical function is that each component range of transmitter arranges function, each component calibrating function of transmitter, each component Presentation Function of transmitter, each component digital-to-analogue acquisition function of transmitter, transmitter each minute amount temperature, linear compensation function, transmitter each minute hydromodule output function, each component serial communication function of transmitter.
The present invention is fit to the pressure survey of many components, and compared with prior art its usefulness shows following several respects:
1, compound component measurement is accurate, and intuitive display is easy to adjust, and simulation, Digital output is complete.
2, adopt ripe sensor and singlechip technology, design, debugging, operation cost are low, are fit to mass production.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement are within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. component intelligent pressure transmitter more than a kind, it is characterized in that, comprise sensor base, described sensor base is provided with the micro-control unit intelligent plate, temperature sensor and at least two pressure transducers are housed in described sensor base, and the signal of described temperature sensor and pressure transducer inputs to described micro-control unit intelligent plate.
2. many components intelligent pressure transmitter according to claim 1 is characterized in that, described micro-control unit intelligent plate comprises control module, and described control module is connected with keyboard input module, display module, analog output module, serial communication modular.
3. many components intelligent pressure transmitter according to claim 1 and 2, it is characterized in that, at least two pressure transducers are housed in described sensor base, the measuring junction of each pressure transducer is connected to respectively each pressure measurement port of pressure unit, and the reference edge of each pressure transducer is combined into unified pressure reference edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100842626A CN103162893A (en) | 2013-03-15 | 2013-03-15 | Multi-component smart pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100842626A CN103162893A (en) | 2013-03-15 | 2013-03-15 | Multi-component smart pressure transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN103162893A true CN103162893A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100842626A Pending CN103162893A (en) | 2013-03-15 | 2013-03-15 | Multi-component smart pressure transmitter |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931624A (en) * | 2015-07-16 | 2015-09-23 | 河北欧世盛科技有限公司 | Pressure sensor and liquid chromatograph |
| CN105403348A (en) * | 2015-10-29 | 2016-03-16 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Programmable high-integration multichannel pressure test device |
| CN105910747A (en) * | 2016-04-26 | 2016-08-31 | 江苏华夏仪表有限公司 | Stress transmitter |
| CN110207887A (en) * | 2019-06-25 | 2019-09-06 | 宁波中车时代传感技术有限公司 | Using the multi-path pressure transmitter of equivalent pressure cavity |
| CN110763382A (en) * | 2019-11-14 | 2020-02-07 | 上海权宥环保科技有限公司 | Pressure transmitter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141328A (en) * | 1987-11-27 | 1989-06-02 | Hitachi Ltd | differential pressure transmitter |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN200986475Y (en) * | 2006-10-30 | 2007-12-05 | 狄兆剑 | Intelligent electronic pressure transmitter |
| CN201277898Y (en) * | 2008-10-30 | 2009-07-22 | 西安中星测控有限公司 | Double core differential pressure transmitter |
-
2013
- 2013-03-15 CN CN2013100842626A patent/CN103162893A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01141328A (en) * | 1987-11-27 | 1989-06-02 | Hitachi Ltd | differential pressure transmitter |
| CN2938037Y (en) * | 2006-08-10 | 2007-08-22 | 张川潮 | Multi-parameter intelligent transmitter |
| CN200986475Y (en) * | 2006-10-30 | 2007-12-05 | 狄兆剑 | Intelligent electronic pressure transmitter |
| CN201277898Y (en) * | 2008-10-30 | 2009-07-22 | 西安中星测控有限公司 | Double core differential pressure transmitter |
Non-Patent Citations (1)
| Title |
|---|
| 薛忠等: "基于STM32F103的智能压力变送器研究与设计", 《现代电子技术》, vol. 36, no. 4, 15 February 2013 (2013-02-15), pages 141 - 146 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931624A (en) * | 2015-07-16 | 2015-09-23 | 河北欧世盛科技有限公司 | Pressure sensor and liquid chromatograph |
| CN105403348A (en) * | 2015-10-29 | 2016-03-16 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | Programmable high-integration multichannel pressure test device |
| CN105403348B (en) * | 2015-10-29 | 2019-01-01 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | One kind may be programmed highly integrated multi-path pressure test device |
| CN105910747A (en) * | 2016-04-26 | 2016-08-31 | 江苏华夏仪表有限公司 | Stress transmitter |
| CN110207887A (en) * | 2019-06-25 | 2019-09-06 | 宁波中车时代传感技术有限公司 | Using the multi-path pressure transmitter of equivalent pressure cavity |
| CN110763382A (en) * | 2019-11-14 | 2020-02-07 | 上海权宥环保科技有限公司 | Pressure transmitter |
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Application publication date: 20130619 |