CN201149498Y - Intelligent liquid crystal display flux integrating instrument with compensation - Google Patents
Intelligent liquid crystal display flux integrating instrument with compensation Download PDFInfo
- Publication number
- CN201149498Y CN201149498Y CNU2008200016353U CN200820001635U CN201149498Y CN 201149498 Y CN201149498 Y CN 201149498Y CN U2008200016353 U CNU2008200016353 U CN U2008200016353U CN 200820001635 U CN200820001635 U CN 200820001635U CN 201149498 Y CN201149498 Y CN 201149498Y
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- China
- Prior art keywords
- pressure
- temperature
- compensation
- input end
- flow
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- 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.)
- Expired - Lifetime
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- Measuring Fluid Pressure (AREA)
- Details Of Flowmeters (AREA)
Abstract
Disclosed is an intelligent liquid-crystal display flow integrator with compensation, which relates to an industrial automatic instrument and is characterized in that a CPU and a memory are connected with a differential pressure input end, a pressure signal input end or a temperature signal input end simultaneously, a comparator of the memory operates input temperature or pressure signals by invoking a standard operation mode or a compensation operation mode after selecting a standard ratio by comparison and taking differential pressure signals, temperature signals or pressure signals and the clock unit timing amount as cardinal numbers, then the signals are output to a display and a flow adjusting mechanism. The flow integrator can implement the compensation operation to flow value errors produced by density fluctuation caused by nonstandard temperature or pressure state, and is matched with a big screen LCD liquid crystal screen simultaneously to show flow, temperature compensation, pressure compensation, or instantaneous flow, integrated flow, power-fail time, etc., the remote control can be realized through an extended output module and a communication module, and the automation control can be realized through communications with an upper monitor.
Description
Technical field:
The utility model relates to industrial instrument and meter for automation, is specially adapted to the measurement of various liquid, steam, general gas etc.
Background technology:
The fluid line transmitter transfers to flow instrument tablet signal input part with the signal that collects; The tablet of flow instrument carries out gating, amplifies and transfers to A/D converter with signal; Signal after A/D converter conversion is delivered to the CPU processor, and the CPU processor is delivered to the LCD liquid crystal display displays with the result after by the standard operation mode treatment;
The current flux integrating instrument mainly is made up of support, LED nixie display, central processor CPU, differential pressure signal input end, storer and clock unit.The time that CPU is set with the input of differential pressure signal, differential pressure signal is the operational pattern of radix, carries out computing with the signal of differential pressure signal input end input and draws flow value.In the actual measurement, identical differential pressure, fluid is less in condition of high temperature lower density, makes the flow value of measurement differential pressure bigger than normal, identical, and fluid is bigger in the high pressure conditions lower density, makes the flow value of measurement less than normal.
The utility model content:
The objective of the invention is in order to overcome above-mentioned defective, a kind of intelligent liquid crystal display flow integrator with compensation is provided.
The utility model scheme:
A kind of intelligent liquid crystal display flow integrator with compensation comprises support, LCD LCD, A/D converter, CPU processor, storer, the differential pressure signal input end that is connected with the CPU processor;
Comprise in the storer:
The memory storage that is used for the storage standards operational pattern;
Be used for analog signal conversion is the A/D converter of the discernible digital signal of CPU processor;
Store memory has the clock apparatus of parameter input time;
What it is characterized in that being connected with the CPU processor also has temperature signal input end or pressure signal input end and the output terminal that is used to export operation result;
Also comprise in the storer:
Be used for also having the memory storage of compensation operation pattern;
Being used for temperature information with temperature signal input end input compares with standard temperature simulation ratio or the pressure information and the normal pressure of the input of pressure signal input end is simulated the comparer that ratio compares;
This comparer is selected following action:
When temperature information or pressure information were all identical with standard temperature simulation ratio or pressure simulation ratio, controller called the standard operation pattern from storer;
When temperature information or pressure information and standard temperature simulation ratio or pressure simulation ratio not simultaneously, controller calls the compensation operation pattern from storer;
Be used for also can compensating the arithmetical unit of operational pattern.
Advantage of the present utility model is when working temperature and standard temperature differ greatly or exists when working pressure and normal pressure differ greatly to measure fluid density difference and occur than large deviation than ambassador's flow integrator measuring and calculating numerical value, intelligent flow measuring method and this intelligent flow-integrating instrument adapted temperature or the pressure transducer of band compensation, and the compensation operation pattern of CPU revised and makes measured value accurate, also guaranteed the accurate control to topworks of the intelligent flow measuring method of band compensation and flow integrator simultaneously.
Description of drawings:
Accompanying drawing is the intelligent liquid crystal display flow integrator structure block diagram of the utility model band compensation.
Embodiment:
A kind of intelligent liquid crystal display flow integrator with compensation comprises support, LCD LCD, A/D converter, CPU processor, storer, the differential pressure signal input end that is connected with the CPU processor;
Comprise in the storer:
The memory storage that is used for the storage standards operational pattern;
Be used for analog signal conversion is the A/D converter of the discernible digital signal of CPU processor;
Store memory has the clock apparatus of parameter input time;
What it is characterized in that being connected with the CPU processor also has temperature signal input end or pressure signal input end and the output terminal that is used to export operation result;
Also comprise in the storer:
Be used for also having the memory storage of compensation operation pattern;
Being used for temperature information with temperature signal input end input compares with standard temperature simulation ratio or the pressure information and the normal pressure of the input of pressure signal input end is simulated the comparer that ratio compares;
This comparer is selected following action:
When temperature information or pressure information were all identical with standard temperature simulation ratio or pressure simulation ratio, controller called the standard operation pattern from storer;
When temperature information or pressure information and standard temperature simulation ratio or pressure simulation ratio not simultaneously, controller calls the compensation operation pattern from storer;
Be used for also can compensating the arithmetical unit of operational pattern.
Temperature signal input end (2) or pressure signal input end (3) in addition that the intelligent liquid crystal display flow integrator of this band compensation is connected with the CPU processor are installed on the fluid line respectively by be connected with temperature sensor or pressure transducer temperature or pressure transducer of A/D converter respectively.
When working temperature or working pressure are identical with standard temperature or normal pressure simulation ratio, the information that comparer receives simulates ratio with the standard temperature in the comparer or normal pressure simulation ratio is identical, controller calls the standard operation pattern from storer to call the timing amount to arithmetical unit from clock unit be that radix carries out computing with differential pressure signal and timing amount, then export to the LCD liquid crystal display displays, also the result is exported to the flow adjusting mechanism simultaneously.Temperature, pressure simulation ratio that standard temperature or pressure are provided with the comparer of error range correspondence also have an accuracy rating.
When working temperature or pressure and standard temperature or pressure not simultaneously, the information that comparer receives is different with the standard temperature simulation ratio in the comparer, controller calls the compensation operation pattern from storer to give arithmetical unit be that radix carries out computing with the timing amount of differential pressure signal, temperature signal or pressure signal and clock unit, then export to the LCD liquid crystal display displays, also the result is exported to the flow adjusting mechanism simultaneously.
This structure also can adopt CPU to be connected with temperature input end, pressure input end simultaneously, makes comparisons with these 2 parameters simultaneously and simulates the pattern of ratio computing, as long as one of them parameter difference then adopts compensation operation.
Claims (1)
1, a kind of intelligent liquid crystal display flow integrator with compensation comprises support, LCD LCD, A/D converter, CPU processor, storer, the differential pressure signal input end that is connected with the CPU processor;
Comprise in the storer:
1) is used for the memory storage of storage standards operational pattern;
2) being used for analog signal conversion is the A/D converter of the discernible digital signal of CPU processor;
3) store memory has the clock apparatus of parameter input time;
What it is characterized in that being connected with the CPU processor also has temperature signal input end or pressure signal input end and the output terminal that is used to export operation result;
Also comprise in the storer:
Be used for also having the memory storage of compensation operation pattern;
Being used for temperature information with temperature signal input end input compares with standard temperature simulation ratio or the pressure information and the normal pressure of the input of pressure signal input end is simulated the comparer that ratio compares;
This comparer is selected following action:
When temperature information or pressure information were all identical with standard temperature simulation ratio or pressure simulation ratio, controller called the standard operation pattern from storer;
When temperature information or pressure information and standard temperature simulation ratio or pressure simulation ratio not simultaneously, controller calls the compensation operation pattern from storer;
Be used for also can compensating the arithmetical unit of operational pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200016353U CN201149498Y (en) | 2008-01-13 | 2008-01-13 | Intelligent liquid crystal display flux integrating instrument with compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200016353U CN201149498Y (en) | 2008-01-13 | 2008-01-13 | Intelligent liquid crystal display flux integrating instrument with compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201149498Y true CN201149498Y (en) | 2008-11-12 |
Family
ID=40117269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200016353U Expired - Lifetime CN201149498Y (en) | 2008-01-13 | 2008-01-13 | Intelligent liquid crystal display flux integrating instrument with compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201149498Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990601A (en) * | 2015-07-13 | 2015-10-21 | 成都国光电子仪表有限责任公司 | Flow correction apparatus with different computational complexity output |
| CN105043482A (en) * | 2015-07-13 | 2015-11-11 | 成都国光电子仪表有限责任公司 | Natural gas flow secondary corrector capable of achieving wireless data transmission |
| CN108758329A (en) * | 2018-06-19 | 2018-11-06 | 沈阳科汇生产力促进中心有限公司 | Filling machine, aerating statistical method, tax control filling machine and aerating tax control method |
-
2008
- 2008-01-13 CN CNU2008200016353U patent/CN201149498Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990601A (en) * | 2015-07-13 | 2015-10-21 | 成都国光电子仪表有限责任公司 | Flow correction apparatus with different computational complexity output |
| CN105043482A (en) * | 2015-07-13 | 2015-11-11 | 成都国光电子仪表有限责任公司 | Natural gas flow secondary corrector capable of achieving wireless data transmission |
| CN108758329A (en) * | 2018-06-19 | 2018-11-06 | 沈阳科汇生产力促进中心有限公司 | Filling machine, aerating statistical method, tax control filling machine and aerating tax control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081112 |