CN102788625A - Differential-pressure liquid level transmitter with displaying and alarming functions - Google Patents
Differential-pressure liquid level transmitter with displaying and alarming functions Download PDFInfo
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- CN102788625A CN102788625A CN2011101260784A CN201110126078A CN102788625A CN 102788625 A CN102788625 A CN 102788625A CN 2011101260784 A CN2011101260784 A CN 2011101260784A CN 201110126078 A CN201110126078 A CN 201110126078A CN 102788625 A CN102788625 A CN 102788625A
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Abstract
The invention discloses a differential-pressure liquid level transmitter with displaying and alarming functions, comprising a master control module, an acquiring and amplifying module, a power supply module, a displaying and alarming module and a driving and outputting module. The acquiring and amplifying module, the power supply module, the displaying and alarming module and the driving and outputting module are all connected with the master control unit module; the acquiring and amplifying module is used for detecting and amplifying the difference of the liquid level pressure and the atmospheric pressure; the master control unit module is used for fulfilling the function of a 4-20mA current loop according to the input signal; the displaying and alarming module is used for displaying the current current value and the giving an exceptional alarming; the driving and outputting module is used for realizing the 4-20mA remote driving and outputting; the displaying and alarming module is used for displaying the current current value and fulfilling the output disconnection alarming, zero exceptional alarming and sensor exceptional alarming functions. After the liquid level transmitter is installed, the liquid level transmitter can be tested and maintained on site according to the displaying and alarming information without adopting the system, and the site bugging and the system testing are accelerated and convenient.
Description
Technical field
The pressure reduction type fluid level transmitter of band display alarm of the present invention relates to a kind of measuring liquid level and becomes the feed technique field, particularly adopts pressure reduction mode measuring liquid level height to become the export technique field of sending.
Background technology
Pressure reduction type fluid level transmitter is widely used in industrial process control because of simple in structure, easy for installation, easy to maintenance, accuracy of measurement advantages of higher; But use fluid level transmitter how not show and warning in the market; Can't carry out independence debugging and detection after the installation; Make troubles the great risk that exists in service for field adjustable and maintenance.
Summary of the invention
The objective of the invention is does not have the deficiency that shows and report to the police in order to overcome liquid level display, designs a kind of pressure reduction type fluid level transmitter with demonstration and warning function.Its technical scheme that adopts is: comprise main control module, collection amplification module, power module, display alarm module and the structure that drives output module; It is characterized in that: gather amplification module, power module, display alarm module and driving output module and all be connected with the main control unit module; Gather amplification module and realize detection and amplification liquid level pressure and atmospheric pressure difference; The main control unit module realizes 4-20mA electric current loop function according to input signal, and the display alarm module shows current current value and abnormal alarm caution; Drive output module and realize the driving output of long-range 4-20mA, the display alarm module shows current electric current, has output break alarm, zero-bit abnormal alarm, sensor abnormality warning function.The positive effect of implementing after this technology is: after the fluid level transmitter installation, need not system for field and just can accelerate and make things convenient for field adjustable and system testing according to showing and warning message tested, safeguard.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Wherein: 1-main control unit module, 2-gathers amplification module, 3-display alarm module, the 4-power module, 5-drives output module;
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
See accompanying drawing 1; Gather amplification module 2, display alarm module 3, power module 4 and driving output module 5 and all be connected with main control unit module 1, power module 4 provides the power supply that needs, main control unit module 1 for each module; The input signal of gathering amplification module 2 is carried out constant current source output to be handled; To display alarm module 3 and driving output 5 stable 4-20mA constant current source is provided, display alarm module 3 shows current electric current, and according to abnormal alarm; Have output break alarm, zero-bit abnormal alarm, sensor abnormality warning function, drive output module 5 and realize remote 4-20mA signal transmission.
See accompanying drawing 1; Gather and issue main control unit module 1 after amplification module 2 amplifies the pressure difference value signal of gathering; Carrying out the 4-20mA constant current source by main control unit module 1 handles; If have abnormal show alarm module 3 to show and the output of reporting to the police, drive output module 5 and realize long-range output, accomplish whole liquid level collection, amplification, constant current, demonstration, warning, output procedure.
Claims (2)
1. be with the pressure reduction type fluid level transmitter of display alarm function; Comprise main control module, collection amplification module, power module, display alarm module and the structure that drives output module; It is characterized in that: gather amplification module, power module, display alarm module and driving output module and all be connected with the main control unit module; Gather amplification module and realize detection and amplification liquid level pressure and atmospheric pressure difference; The main control unit module realizes 4-20mA electric current loop function according to input signal, and the display alarm module shows current current value and abnormal alarm caution; Drive output module and realize the driving output of long-range 4-20mA.
2. the pressure reduction type fluid level transmitter of band display alarm function according to claim 1, it is characterized in that: the display alarm module shows current electric current, has output break alarm, zero-bit abnormal alarm, sensor abnormality warning function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101260784A CN102788625A (en) | 2011-05-16 | 2011-05-16 | Differential-pressure liquid level transmitter with displaying and alarming functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101260784A CN102788625A (en) | 2011-05-16 | 2011-05-16 | Differential-pressure liquid level transmitter with displaying and alarming functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102788625A true CN102788625A (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101260784A Pending CN102788625A (en) | 2011-05-16 | 2011-05-16 | Differential-pressure liquid level transmitter with displaying and alarming functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729951A (en) * | 2013-11-20 | 2014-04-16 | 哈尔滨东方报警设备开发有限公司 | Audible and visual alarm used for series connection of 4-20MA two-wire electric current loops |
| CN111366218A (en) * | 2020-04-22 | 2020-07-03 | 云南电网有限责任公司电力科学研究院 | Method for detecting faults of water cooling system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086311A (en) * | 1993-09-01 | 1994-05-04 | 中国石化兰州炼油化工总厂 | Multi-way level-metering device |
| JPH0841978A (en) * | 1994-07-29 | 1996-02-13 | Nippon Health Kogyo Kk | Damage state investigating device for each soil pipe in soil pipe facilities |
| CN2433608Y (en) * | 2000-07-07 | 2001-06-06 | 三一重工股份有限公司 | Water level measuring control device |
| CN1384448A (en) * | 2002-06-07 | 2002-12-11 | 扬州市兆星科技有限公司 | Intelligent motor vehicle monitoring and managing system |
| CN2741579Y (en) * | 2004-10-11 | 2005-11-23 | 武汉大学 | Monitor for venous dripping |
| CN101236260A (en) * | 2008-03-06 | 2008-08-06 | 中国农业科学院农田灌溉研究所 | Evaporation based irrigation prealarming device and its operation method |
| CN201373383Y (en) * | 2008-12-24 | 2009-12-30 | 武汉理工大学 | Water level display and control device of marine supercharged boiler |
| CN201438125U (en) * | 2009-07-27 | 2010-04-14 | 北京新创三明科技有限公司 | Automatic liquid level monitoring system |
| CN201731913U (en) * | 2010-06-21 | 2011-02-02 | 张子坚 | Water level warner |
| CN202145143U (en) * | 2011-05-16 | 2012-02-15 | 上海华建电力设备股份有限公司 | Differential pressure type liquid-level transmitter with display and alarm functions |
-
2011
- 2011-05-16 CN CN2011101260784A patent/CN102788625A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086311A (en) * | 1993-09-01 | 1994-05-04 | 中国石化兰州炼油化工总厂 | Multi-way level-metering device |
| JPH0841978A (en) * | 1994-07-29 | 1996-02-13 | Nippon Health Kogyo Kk | Damage state investigating device for each soil pipe in soil pipe facilities |
| CN2433608Y (en) * | 2000-07-07 | 2001-06-06 | 三一重工股份有限公司 | Water level measuring control device |
| CN1384448A (en) * | 2002-06-07 | 2002-12-11 | 扬州市兆星科技有限公司 | Intelligent motor vehicle monitoring and managing system |
| CN2741579Y (en) * | 2004-10-11 | 2005-11-23 | 武汉大学 | Monitor for venous dripping |
| CN101236260A (en) * | 2008-03-06 | 2008-08-06 | 中国农业科学院农田灌溉研究所 | Evaporation based irrigation prealarming device and its operation method |
| CN201373383Y (en) * | 2008-12-24 | 2009-12-30 | 武汉理工大学 | Water level display and control device of marine supercharged boiler |
| CN201438125U (en) * | 2009-07-27 | 2010-04-14 | 北京新创三明科技有限公司 | Automatic liquid level monitoring system |
| CN201731913U (en) * | 2010-06-21 | 2011-02-02 | 张子坚 | Water level warner |
| CN202145143U (en) * | 2011-05-16 | 2012-02-15 | 上海华建电力设备股份有限公司 | Differential pressure type liquid-level transmitter with display and alarm functions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103729951A (en) * | 2013-11-20 | 2014-04-16 | 哈尔滨东方报警设备开发有限公司 | Audible and visual alarm used for series connection of 4-20MA two-wire electric current loops |
| CN111366218A (en) * | 2020-04-22 | 2020-07-03 | 云南电网有限责任公司电力科学研究院 | Method for detecting faults of water cooling system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121121 |