CN201053912Y - Intelligent pressure sensor device possessing temperature compensation - Google Patents
Intelligent pressure sensor device possessing temperature compensation Download PDFInfo
- Publication number
- CN201053912Y CN201053912Y CNU2007200319243U CN200720031924U CN201053912Y CN 201053912 Y CN201053912 Y CN 201053912Y CN U2007200319243 U CNU2007200319243 U CN U2007200319243U CN 200720031924 U CN200720031924 U CN 200720031924U CN 201053912 Y CN201053912 Y CN 201053912Y
- Authority
- CN
- China
- Prior art keywords
- chip
- adopts
- pressure sensor
- sensor device
- model
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to an intelligent pressure sensor device with the function of the temperature compensation. The device is characterized in that a power source supplies electric power to a single-chip which is respectively connected with a memory chip, a COM chip, a time chip and a front-end amplifier, the data that is connected by an analog quantity input interface enters into the single-chip for data processing after being inputted into the front-end amplifier, and then the data is switched with a superior computer through the COM chip, and the single-chip adopts the 16-digit MSP430F2013. In the operation, the device adopts the modularization design, and each sub-flow completes a certain function and then the sub-flow is invoked in a main flow and in an interrupt processing flow. With the device, the pressure signal is compensated, thereby eliminating the influence of the temperature, improving the precision and improving the anti-interference capacity of the system; moreover, the data can be collected at any time and the cost is reduced, thereby being applicable to the long-term collection and storage of the underground temperature and the pressure signal.
Description
Technical field
The utility model relates to a kind of pressure acquisition device, particularly can carry out the intelligent pressure sensor system and device of temperature compensation, is applicable to long-term collection and storage to downhole temperature and pressure signal.
Background technology
Existing market upper sensor kind is rich and varied, and this makes that the user can the required pressure transducer of selective system.These sensors have plenty of the most basic transducer, have plenty of the complicated high integration sensor that has on-chip circuit.Because have these differences, the design engineer is the measuring error of compensating-pressure transducer as far as possible, this is to guarantee that sensor satisfies the important step of design and application requirements.In some cases, compensation can also improve the overall performance of sensor in application.At present the pressure transducer of main flow has three classes on the market: basic or do not add that compensation demarcates; Have and demarcate the trip temperature compensation of going forward side by side; Demarcation, compensation and amplification are arranged.
At present the sensor that uses of oil well measuring accuracy when reading data such as temperature, pressure low, easily exist personal error, test data discontinuous, be subject to problem such as electromagnetic interference (EMI).
Summary of the invention
For solving the problem that the measuring accuracy that sensor that present oil well uses exists is low, be subject to electromagnetic interference (EMI), the purpose of this utility model provides a kind of intelligent pressure sensor device with temperature compensation.
The technical scheme that the utility model adopted is, a kind of intelligent pressure sensor device with temperature compensation, provide power supply by power supply to single-chip microcomputer, single-chip microcomputer is connected with storage chip, serial communication chip, clock chip, front-end amplifier respectively, enter single-chip microcomputer behind the data input front end amplifier of analog quantity input interface with collection and carry out central authorities' processing, arrive host computer by the serial communication chip again and carry out exchanges data, single-chip microcomputer wherein adopts 16 MSP430F2013.
Characteristics of the present utility model also are,
Storage chip wherein adopts the 24C64 model.
Serial communication chip wherein adopts the MAX3232 model.
Clock chip wherein adopts the DS1302 model.
Front-end amplifier wherein adopts the INA122 model.
The beneficial effects of the utility model are: adopt 16 single-chip microcomputer MSP430F2013 and aforesaid model setting, the utility model device is applicable to long-term collection and storage to downhole temperature and pressure signal fully.The utlity model has following characteristics:
1, compensates for pressure signal, eliminated Temperature Influence, improved precision;
2, added clock chip, the system that makes has precise time information, image data at any time;
3, the signal of analog quantity input interface enters Chip Microcomputer A/D ALT-CH alternate channel through amplifier, has effectively blocked interfering channel, improves system's antijamming capability.
The utility model also has high-performance, low-power consumption, reliability height, integrated level height, speed is fast, volume is little advantage.
Description of drawings
Accompanying drawing is the composition structural representation of the utility model device.
Among the figure: 1. storage chip, 2. single-chip microcomputer, 3. power supply, 4. serial communication chip, 5. clock chip, 6. analog quantity input interface, 7. front-end amplifier, 8. host computer.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in drawings, the utility model is the intelligent pressure sensor device with temperature compensation, power supply 3 provides power supply to single-chip microcomputer 2, single-chip microcomputer 2 is connected with storage chip 1, serial communication chip 4, clock chip 5, front-end amplifier 7 respectively, analog quantity input interface 6 is with the data input front end amplifier of gathering 7, after enter single-chip microcomputer 2 and carry out central authorities and handle, arrive host computers 8 by serial communication chip 4 again and carry out exchanges data and output.
Single-chip microcomputer 2 adopts 16 MSP430F2013 models, comprises the RAM of 2kB Flash and 128 bytes, carries out data processing.
Storage chip 1 adopts the 24C64 model, and this chip adopts the IIC serial mode, saves cpu resource, is used for store sample time, sample temperature, pressure signal value.
Front-end amplifier 7 adopts the INA122 model, effectively blocks interfering channel, has improved system's antijamming capability.
This device has used modular design, is about to each functional module and is written as subroutine separately, and each subroutine is finished certain function, calls and data processing at single-chip microcomputer 2 and other each functional modules then, carries out exchanges data by host computer 8 at last.
As mentioned above, this device is easy to operate, reliability is high, intelligent degree height.
Claims (5)
1. intelligent pressure sensor device with temperature compensation, it is characterized in that, provide power supply by power supply (3) to single-chip microcomputer (2), single-chip microcomputer (2) is connected with storage chip (1), serial communication chip (4), clock chip (5), front-end amplifier (7) respectively, enter single-chip microcomputer (2) behind the data input front end amplifier (7) of analog quantity input interface (6) with collection and carry out data processing, carry out exchanges data by serial communication chip (4) and host computer (8) again, described single-chip microcomputer (2) adopts 16 MSP430F2013.
2. intelligent pressure sensor device according to claim 1 is characterized in that, described storage chip (1) adopts the 24C64 model.
3. intelligent pressure sensor device according to claim 1 is characterized in that, described serial communication chip (4) adopts the MAX3232 model.
4. intelligent pressure sensor device according to claim 1 is characterized in that, described clock chip (5) adopts the DS1302 model.
5. intelligent pressure sensor device according to claim 1 is characterized in that, described front-end amplifier (7) adopts the INA122 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200319243U CN201053912Y (en) | 2007-06-05 | 2007-06-05 | Intelligent pressure sensor device possessing temperature compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200319243U CN201053912Y (en) | 2007-06-05 | 2007-06-05 | Intelligent pressure sensor device possessing temperature compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053912Y true CN201053912Y (en) | 2008-04-30 |
Family
ID=39393575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200319243U Expired - Fee Related CN201053912Y (en) | 2007-06-05 | 2007-06-05 | Intelligent pressure sensor device possessing temperature compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053912Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198111A (en) * | 2014-08-21 | 2014-12-10 | 航天科工惯性技术有限公司 | Pressure sensor for downhole instrument |
| CN105181188A (en) * | 2015-07-20 | 2015-12-23 | 湖南菲尔斯特传感器有限公司 | Intelligent pressure transmitter |
-
2007
- 2007-06-05 CN CNU2007200319243U patent/CN201053912Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198111A (en) * | 2014-08-21 | 2014-12-10 | 航天科工惯性技术有限公司 | Pressure sensor for downhole instrument |
| CN105181188A (en) * | 2015-07-20 | 2015-12-23 | 湖南菲尔斯特传感器有限公司 | Intelligent pressure transmitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201402520Y (en) | Bridge strain collecting instrument based on wireless sensing network interface | |
| CN203337299U (en) | Resistance strain-type multi-channel high-accuracy force measurement system | |
| CN101873349B (en) | The multinode real-time power consumption monitoring system in the environment of wireless sensor network | |
| CN201053912Y (en) | Intelligent pressure sensor device possessing temperature compensation | |
| CN104199343A (en) | Micro data collection system based on serial storage mode | |
| CN218213895U (en) | Self-contained attitude controller | |
| CN103018542A (en) | Corona current collecting card based on USB (universal serial bus) bus | |
| CN201819712U (en) | Gas ultrasonic flow metering unit based on DSP (Digital Signal Processor) | |
| CN201811748U (en) | Diesel locomotive state data recording analyzer | |
| CN202110262U (en) | Wireless data acquisition system for voltage of microbiological fuel cell | |
| CN105629204A (en) | Monostable triggering radar servo system | |
| Liao et al. | Mixed traffic information collection system based on pressure sensor | |
| CN100357708C (en) | Logistics black box | |
| CN201575866U (en) | Temperature collecting and recording device | |
| CN201110768Y (en) | Large-capacity humidity and temperature recorder | |
| CN203572516U (en) | Natural gas energy metering device | |
| CN201892601U (en) | Novel intelligent pressure sensor | |
| CN201576095U (en) | Portable digitized intelligence scouting terminal | |
| CN205066813U (en) | Integrated form data acquisition system | |
| CN219319471U (en) | Edge computing terminal for computing carbon emission in real time | |
| CN205594366U (en) | Open -air sensor data collection device | |
| CN201310351Y (en) | Well head pressure temperature measuring apparatus | |
| CN102279011A (en) | Temperature-humidity recorder with low power consumption | |
| CN201903402U (en) | Intelligent temperature sensor for coal mine | |
| CN205808615U (en) | A kind of time opening memory-type pressure table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20110605 |