CN106092341B - A kind of intelligent temperature sensor system - Google Patents
A kind of intelligent temperature sensor system Download PDFInfo
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- CN106092341B CN106092341B CN201610587634.0A CN201610587634A CN106092341B CN 106092341 B CN106092341 B CN 106092341B CN 201610587634 A CN201610587634 A CN 201610587634A CN 106092341 B CN106092341 B CN 106092341B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a kind of intelligent temperature sensor systems, comprising: Temperature Prediction unit, precise measurement unit, control unit；Temperature Prediction unit is tentatively estimated for the temperature to measurand, and the preliminary estimation results of temperature are sent to control unit；Precise measurement unit carries out precise measurement for the temperature to measurand, and temperature accurate results is sent to control unit；Control unit is connect with Temperature Prediction unit, precise measurement unit communication；After control unit receives the temperature entry evaluation result of the measurand of Temperature Prediction unit transmission, the preliminary estimation results of above-mentioned temperature are analyzed, and precise measurement cell operation is controlled according to the preliminary estimation results of above-mentioned temperature, and the actual temperature of measurand is calculated according to the temperature accurate results of precise measurement unit.
Description
Technical field
The present invention relates to sensing system technical field more particularly to a kind of intelligent temperature sensor systems.
Background technique
Temperature sensor actually refers to the sensor device that can be experienced temperature and convert thereof into usable output signal.?
Actual working environment described in sensor should be first considered in actual application, this point selects temperature sensor to pass to correct
Important, it is related to the accuracy of the temperature results of sensor and the safety of sensor and service life, or even entire sensing
The reliability and safety of device weighing apparatus.
In actual application, since sensor measurement process itself can have error, along with the temperature of measurand
The difference of degree is affected to some extent the measurement accuracy of temperature sensor, especially in the temperature measurement accuracy to measurand
When more demanding, common temperature sensor is not able to satisfy actual needs.Therefore, it is necessary to design a kind of temperature according to measurand
Degree range and select different sensing elements to carry out the sensing system of precise measurement to the actual temperature of measurand, from tested
The actual temperature range of object is set out, and different sensing elements is selected to measure the temperature of measurand, is guaranteed to tested
The measurement accuracy of object temperature meets the use demand of user on higher degree.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of intelligent temperature sensor systems.
Intelligent temperature sensor system proposed by the present invention, comprising: Temperature Prediction unit, precise measurement unit, control are single
Member；
Temperature Prediction unit is tentatively estimated for the temperature to measurand, and the preliminary estimation results of temperature are sent out
It send to control unit；
Precise measurement unit carries out precise measurement for the temperature to measurand, and temperature accurate results is sent out
It send to control unit；
Control unit is connect with Temperature Prediction unit, precise measurement unit communication；Control unit receives Temperature Prediction list
After the temperature entry evaluation result for the measurand that member is sent, the preliminary estimation results of above-mentioned temperature are analyzed, and according to upper
The preliminary estimation results control precise measurement cell operation of temperature is stated, and according to the temperature accurate results meter of precise measurement unit
Calculate the actual temperature of measurand.
Preferably, the precise measurement unit includes four sensor elements, respectively first sensor element, second
Sensor element, 3rd sensor element, the 4th sensor element.
Preferably, temperature cut off value T is stored in control unit1、T2, wherein T1<T2；When the temperature of Temperature Prediction unit
Preliminary estimation results T≤T1When, control unit instruction control first sensor element, second sensor element, 3rd sensor
Elements work at the same time；Work as T1<T<T2When, control unit instruction control first sensor element, second sensor element, the
Three sensor elements, the 4th sensor work at the same time；As T >=T2When, control unit instruction control first sensor element, second
Sensor element, 3rd sensor element work at the same time.
It preferably, further include temperature display unit, temperature display unit and control unit communicate to connect；For display control
The temperature information for the measurand that unit is sent.
Preferably, the Temperature Prediction unit includes two sensor elements, and Temperature Prediction unit is to measurand
The preliminary estimation results of temperature be above-mentioned two sensor element detected value average value.
Temperature Prediction unit is equipped in the present invention, Temperature Prediction unit is used to carry out the actual temperature of measurand preliminary
It estimates, and the preliminary estimation results of temperature is sent to control unit；Control unit by by the preliminary estimation results of above-mentioned temperature with
Preset temperature cut off value is compared, and controls precise measurement cell operation further according to comparison result；When the temperature of measurand
When preliminary estimation results very little, show that the actual temperature of measurand is very low, i.e., it is moderate to the requirement of measurement accuracy, it controls at this time
Three sensor elements in unit control precise measurement unit work at the same time, then the actual temperature of measurand is above three
The average value of sensor element collection value is measured and is averaged to measurand simultaneously by three sensor element,
The acquisition range that sensor element can be increased is conducive to the acquisition precision for improving precise measurement unit, guarantees the use effect of user
Fruit；When the preliminary estimation results of the temperature of measurand increase, show in a kind of relatively upper situation of the actual temperature of measurand
Temperature is increased, and temperature range at this time is in the range more demanding to measurement accuracy, the essence of control unit control at this time
Four sensor elements in true measuring unit work at the same time, and four sensor elements are respectively to the temperature of measurand different location
Degree is acquired, and sufficiently can comprehensively acquire the temperature of different location, and control unit is detected according to aforementioned four sensor element
The average value of value calculates the actual temperature of measurand, not only increases the precision of measurement, reduces precise measurement unit and surveying
The error generated during amount, and ensure that the accuracy and validity of measurement result；When the temperature of measurand is tentatively pre-
Estimate result it is larger when, show that the actual temperature of measurand is higher than the temperature in a kind of upper situation, at this time to measurement accuracy
It is required that a kind of relatively upper situation is relatively low, three sensor elements in the precise measurement unit of control unit control at this time are worked at the same time,
Then the actual temperature of measurand is the average value of above three sensor element collection value, simultaneously by three sensor elements
The temperature of measurand is measured and is averaged, not only ensure that the using effect of user, but also is avoided using single
The drawback that a sensor element causes measurement accuracy low；Further, it sets there are two sensor element, leads in Temperature Prediction unit
The average value for crossing the collection result of above-mentioned two sensor element tentatively estimates the temperature of measurand, protects on source
The measurement accuracy to measurand actual temperature range is demonstrate,proved, thus according to the preliminary estimation results of the higher temperature of accuracy to quilt
The actual temperature for surveying object carries out precise measurement, further ensures the measurement accuracy to measurand temperature.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of intelligent temperature sensor system.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of intelligent temperature sensor systems proposed by the present invention.
Referring to Fig.1, intelligent temperature sensor system proposed by the present invention, comprising:
Temperature Prediction unit, precise measurement unit, temperature display unit, control unit；
Temperature Prediction unit is tentatively estimated for the temperature to measurand, and the preliminary estimation results of temperature are sent out
It send to control unit；The Temperature Prediction unit includes two sensor elements, and Temperature Prediction unit is to measurand
The preliminary estimation results of temperature are the average value of the detected value of above-mentioned two sensor element, by the way that two sensor elements pair are arranged
The temperature of measurand is tentatively estimated, and fundamentally ensure that the accuracy tentatively estimated to the temperature of measurand,
And then be conducive to control it is simple eye control precise measurement cell operation according to the preliminary estimation results of the higher temperature of accuracy, help to control
Unit processed selects suitable sensor element to detect the actual temperature of measurand.
Precise measurement unit carries out precise measurement for the temperature to measurand, and temperature accurate results is sent out
It send to control unit；The precise measurement unit includes four sensor elements, and respectively first sensor element, second pass
Sensor component, 3rd sensor element, the 4th sensor element；Control unit receives tested pair of Temperature Prediction unit transmission
After the preliminary estimation results of the temperature of elephant, the preliminary estimation results of above-mentioned temperature are analyzed, i.e., above-mentioned temperature are tentatively estimated into knot
Fruit is compared with the temperature cut off value stored in control unit, determines that actual needs selects precise measurement further according to comparison result
The quantity of unit inner sensor element, when temperature is higher or lower, control unit selects less sensor element, because
When temperature is higher or lower, temperature belongs to be unsuitable for daily life needed for temperature, specific temperature environment may be belonged to, at this time
The measurement accuracy of temperature is not necessarily to be accurate to very fine degree；It is above-mentioned when the preliminary estimation results of temperature are in moderate level
Temperature range belongs to the normal temperature in daily life, higher to the measurement accuracy of temperature at this time, because of temperature change at this time
The next step operation of user may be influenced, therefore control unit selects more sensor element simultaneously to the temperature of measurand
Degree is acquired and is averaged, and guarantees the measurement accuracy to the actual temperature of measurand, is conducive to help user to tested
The analysis of object actual temperature.
Temperature display unit is communicated to connect with control unit；Temperature for the measurand that display control unit is sent
Information, user can watch the preliminary estimation results of the temperature of measurand and temperature precise measurement knot by temperature display unit
Fruit is conducive to user and recognizes the actual temperature of measurand and take next step measure；Further, when user passes through temperature
When display unit watches the preliminary estimation results of the temperature of measurand and temperature accurate results not to have difference, use can be reminded
Family is noticed that whether the case where there are precise measurement unit inner sensor component wears, is conducive to remind user to precise measurement unit
The service life of interior sensor element is checked, is guaranteed that precise measurement unit inner sensor element is in and is worked normally shape
State ensure that the measurement accuracy to measurand temperature.
Control unit is connect with Temperature Prediction unit, precise measurement unit communication；Control unit receives Temperature Prediction list
After the temperature entry evaluation result for the measurand that member is sent, the preliminary estimation results of above-mentioned temperature are analyzed, i.e., by temperature
Temperature cut off value T is stored in preliminary estimation results T and control unit1、T2It is compared, is controlled further according to comparison result accurate
Measuring unit works, and the actual temperature of measurand is calculated according to the temperature accurate results of precise measurement unit；Its
Middle T1<T2；
As the preliminary estimation results T≤T of the temperature of Temperature Prediction unit1When, show that the temperature of measurand is lower, it is right at this time
The measurement accuracy of measurand temperature is more demanding, then control unit instruction control first sensor element, second sensor member
Part, 3rd sensor element work at the same time, then the actual temperature of measurand is the flat of above three sensor element detected value
Mean value；Work as T1<T<T2When, show the moderate temperature of measurand, it is very high to the measurement accuracy of measurand temperature at this time, then it controls
Unit instruction processed controls first sensor element, second sensor element, 3rd sensor element, the 4th sensor element simultaneously
Work increases the range to measurand temperature acquisition, from the temperature of different station acquisition measurands, and then will be aforementioned four
Actual temperature of the detected value of sensor element as measurand has fully ensured that the accurate of measurand actual temperature detection
Property and validity；As T >=T2When, show that the actual temperature of measurand is higher, at this time to the relatively upper one kind of the requirement of measurement accuracy
Situation is relatively low, then control unit instruction control first sensor element, second sensor element, 3rd sensor element while work
Make, the actual temperature of measurand is the average value of above three sensor element detected value, avoids and is passed using single temperature
Sensor component carries out the drawbacks of causing low measurement accuracy when temperature acquisition, is further ensured that and measures measurand actual temperature
Precision, while being convenient for the user to use guarantee temperature acquisition accuracy, be conducive to for user next step operation provide
Reliable reference frame.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of intelligent temperature sensor system characterized by comprising Temperature Prediction unit, precise measurement unit, control are single
Member；
Temperature Prediction unit is tentatively estimated for the temperature to measurand, and the preliminary estimation results of temperature are sent to
Control unit；
Precise measurement unit carries out precise measurement for the temperature to measurand, and temperature accurate results is sent to
Control unit；
Control unit is connect with Temperature Prediction unit, precise measurement unit communication；Control unit receives Temperature Prediction unit hair
After the temperature entry evaluation result for the measurand sent, the preliminary estimation results of above-mentioned temperature are analyzed, and according to above-mentioned temperature
Preliminary estimation results control precise measurement cell operation is spent, and is calculated according to the temperature accurate results of precise measurement unit
The actual temperature of measurand；
The precise measurement unit include four sensor elements, respectively first sensor element, second sensor element,
3rd sensor element, the 4th sensor element；
Temperature cut off value T is stored in control unit1、T2, wherein T1<T2；As the preliminary estimation results T of the temperature of Temperature Prediction unit
≤T1When, control unit instruction control first sensor element, second sensor element, 3rd sensor element work at the same time；
Work as T1<T<T2When, control unit instruction control first sensor element, second sensor element, 3rd sensor element, the 4th
Sensor element works at the same time；As T >=T2When, control unit instruction control first sensor element, second sensor element, the
Three sensor elements work at the same time.
2. intelligent temperature sensor system according to claim 1, which is characterized in that it further include temperature display unit, temperature
It spends display unit and control unit communicates to connect；Temperature information for the measurand that display control unit is sent.
3. intelligent temperature sensor system according to claim 1, which is characterized in that the Temperature Prediction unit includes
Two sensor elements, and Temperature Prediction unit is above-mentioned two sensor element to the preliminary estimation results of the temperature of measurand
Detected value average value.
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| CN107449156B (en) * | 2017-08-10 | 2020-07-31 | 广州机智云物联网科技有限公司 | Water consumption condition monitoring method for electric water heater and electronic equipment |
| TWI734507B (en) * | 2020-06-03 | 2021-07-21 | 豪展醫療科技股份有限公司 | Thermometer |
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| EP2541274A2 (en) * | 2011-06-30 | 2013-01-02 | Kabushiki Kaisha Topcon | Electronic distance measuring method and electronic distance measuring instrument |
| EP2629430A2 (en) * | 2012-02-16 | 2013-08-21 | Stichting voor de Technische Wetenschappen | Two-stage phase digitizer |
| CN204596283U (en) * | 2015-04-30 | 2015-08-26 | 常州轻工职业技术学院 | A kind of closed loop control system for regulating temperature based on single chip computer experiment training platform |
| CN204855002U (en) * | 2015-04-30 | 2015-12-09 | 常州轻工职业技术学院 | High accuracy temperature data collection system |
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- 2016-07-22 CN CN201610587634.0A patent/CN106092341B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2541274A2 (en) * | 2011-06-30 | 2013-01-02 | Kabushiki Kaisha Topcon | Electronic distance measuring method and electronic distance measuring instrument |
| EP2629430A2 (en) * | 2012-02-16 | 2013-08-21 | Stichting voor de Technische Wetenschappen | Two-stage phase digitizer |
| CN204596283U (en) * | 2015-04-30 | 2015-08-26 | 常州轻工职业技术学院 | A kind of closed loop control system for regulating temperature based on single chip computer experiment training platform |
| CN204855002U (en) * | 2015-04-30 | 2015-12-09 | 常州轻工职业技术学院 | High accuracy temperature data collection system |
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