CN102980593A - A novel temperature compensation device - Google Patents
A novel temperature compensation device Download PDFInfo
- Publication number
- CN102980593A CN102980593A CN 201110259961 CN201110259961A CN102980593A CN 102980593 A CN102980593 A CN 102980593A CN 201110259961 CN201110259961 CN 201110259961 CN 201110259961 A CN201110259961 A CN 201110259961A CN 102980593 A CN102980593 A CN 102980593A
- Authority
- CN
- China
- Prior art keywords
- temperature
- sensor
- amplifier
- converter
- error
- Prior art date
- 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.)
- Pending
Links
Images
Abstract
A novel temperature compensation device relates to the field of compensation technique devices. The device comprises a sensor (1), a temperature measurement element (2), a multi-channel sampling switch (3), an amplifier (4), an A / D converter (5) and a microcontroller interface (6). Both the sensor (1) and the temperature measurement element (2) are connected with the multi-channel sampling switch (3), the multi-channel sampling switch (3) is in connection with the amplifier (4); the amplifier (4) is connected with the A / D converter (5); and the A / D converter (5 ) is connected with the microcontroller interface (6). The device adopts a microcontroller system to compensate for the temperature error of a sensor signal; and has high sensitivity and accuracy, small error, and being easy for popularization and use.
Description
Technical field
The present invention relates to compensation technique device field, be specifically related to a kind of novel temperature compensation means.
Background technology
To high-precision sensor, temperature error has become the serious hindrance that improves its performance, and is particularly all the more so in the larger application scenario of variation of ambient temperature.It is very difficult relying on the more additional simple hardware compensating measures of sensor itself, has introduced in a large number single-chip microcomputer for sensor measuring system at present, realizes automatically detecting and control.
Summary of the invention
The purpose of this invention is to provide a kind of novel temperature compensation means, it adopts Single Chip Microcomputer (SCM) system, and the temperature error of sensor signal is compensated, and is highly sensitive, and degree of accuracy is accurate, and error is little, is easy to promote and use.
In order to solve the existing problem of background technology, the present invention is by the following technical solutions: it comprises sensor 1, temperature element 2, multichannel employing switch 3, amplifier 4, A/D converter 5 and interface microcontroller 6, sensor 1 is connected with temperature element all and is adopted switch 3 to be connected with multichannel, multichannel adopts switch 3 to be connected connection with amplifier, amplifier 4 is connected connection with A/D converter, A/D converter 5 is connected connection with interface microcontroller.
Principle of work of the present invention: temperature element 2 normally is installed in sensor 1 interior place near sensitive element, be used for the environment temperature of 1 of survey sensor, the output of temperature element 2 is delivered to interface microcontroller 6 through amplifier 4 and A/D converter 5, single-chip microcomputer receives temperature data by parallel interface, and temporary temperature data.Signal sampling finishes, and single-chip microcomputer running temperature error compensation program compensates the temperature error of sensor 1 signal.
The present invention adopts Single Chip Microcomputer (SCM) system, and the temperature error of sensor signal is compensated, and is highly sensitive, and degree of accuracy is accurate, and error is little, is easy to promote and use.
Description of drawings:
Fig. 1 is structural representation of the present invention.
Embodiment:
With reference to Fig. 1, this embodiment is by the following technical solutions: it comprises sensor 1, temperature element 2, multichannel and adopts switch 3, amplifier 4, A/D converter 5 and interface microcontroller 6, sensor 1 is connected with temperature element all and is adopted switch 3 to be connected with multichannel, multichannel adopts switch 3 to be connected connection with amplifier, amplifier 4 is connected connection with A/D converter, A/D converter 5 is connected connection with interface microcontroller.
The principle of work of this embodiment: temperature element 2 normally is installed in sensor 1 interior place near sensitive element, be used for the environment temperature of 1 of survey sensor, the output of temperature element 2 is delivered to interface microcontroller 6 through amplifier 4 and A/D converter 5, single-chip microcomputer receives temperature data by parallel interface, and temporary temperature data.Signal sampling finishes, and single-chip microcomputer running temperature error compensation program compensates the temperature error of sensor 1 signal.
This embodiment adopts Single Chip Microcomputer (SCM) system, and the temperature error of sensor signal is compensated, and highly sensitive, degree of accuracy is accurate, and error is little, is easy to promote and use.
Claims (1)
1. novel temperature compensation means, it is characterized in that it comprises sensor (1), temperature element (2), multichannel employing switch (3), amplifier (4), A/D converter (5) and interface microcontroller (6), sensor (1) is connected 2 with temperature element) all adopt switch (3) to be connected with multichannel, multichannel adopts switch (3) to be connected 4 with amplifier) connect, amplifier (4) is connected 5 with A/D converter) connect, A/D converter (5) is connected 6 with interface microcontroller) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110259961 CN102980593A (en) | 2011-09-05 | 2011-09-05 | A novel temperature compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110259961 CN102980593A (en) | 2011-09-05 | 2011-09-05 | A novel temperature compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102980593A true CN102980593A (en) | 2013-03-20 |
Family
ID=47854828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110259961 Pending CN102980593A (en) | 2011-09-05 | 2011-09-05 | A novel temperature compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102980593A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424212A (en) * | 2015-12-27 | 2016-03-23 | 哈尔滨米米米业科技有限公司 | High-precision temperature measurement system based on resistance value comparison method |
| CN111611130A (en) * | 2020-05-13 | 2020-09-01 | 上海龙旗科技股份有限公司 | Method, system and equipment for preventing burning of target interface |
-
2011
- 2011-09-05 CN CN 201110259961 patent/CN102980593A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424212A (en) * | 2015-12-27 | 2016-03-23 | 哈尔滨米米米业科技有限公司 | High-precision temperature measurement system based on resistance value comparison method |
| CN111611130A (en) * | 2020-05-13 | 2020-09-01 | 上海龙旗科技股份有限公司 | Method, system and equipment for preventing burning of target interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202974544U (en) | Portable digital barometer | |
| CN102176135A (en) | Thermal error measuring and integrating system for numerical control machine tool | |
| CN204758196U (en) | Portable multichannel ressure measurement system | |
| CN102980593A (en) | A novel temperature compensation device | |
| CN103542962A (en) | Pressure testing device | |
| CN106969270B (en) | Acquisition device for detecting pipeline leakage based on sound wave detection and use method | |
| CN202256134U (en) | Infrared analysis meter | |
| CN204269281U (en) | A kind of two remaining pressure sensor structure | |
| CN201993620U (en) | Thermal-error measurement integrating system for numerically-controlled machine tool | |
| CN201803816U (en) | Combined transducer force-measuring device | |
| CN201607256U (en) | Integrated adjustable external-clamping type ultrasonic flowmeter | |
| CN204302353U (en) | A kind of power detection system based on Hall element | |
| Subair et al. | Intelligent pressure measuring system | |
| JP2015099073A5 (en) | ||
| CN202731884U (en) | Intelligent feedback measurement and control device for borehole water-pressure test | |
| CN102353467B (en) | System and method for verifying detection accuracy of internal core temperature of chip | |
| CN203759113U (en) | Transformer load acquisition device | |
| CN201705335U (en) | High-temperature differential well temperature test instrument | |
| CN202083554U (en) | Multi-path temperature pressure on-line monitoring system | |
| CN102053181A (en) | On-site standard electric energy meter | |
| CN104316890B (en) | Voltage, electric current precision metering device and delicate metering method based on satellite navigation system | |
| CN102003210A (en) | Novel infrared control alarm | |
| CN106932113A (en) | A kind of copper thermistor temperature intelligent detecting system | |
| CN204679177U (en) | Channel wireless radio multi temperature measuring set | |
| CN202204809U (en) | Portable coal dust humidity detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130320 |