CN105844882B - Integrated temperature measuring device - Google Patents

Integrated temperature measuring device Download PDF

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Publication number
CN105844882B
CN105844882B CN201610269934.4A CN201610269934A CN105844882B CN 105844882 B CN105844882 B CN 105844882B CN 201610269934 A CN201610269934 A CN 201610269934A CN 105844882 B CN105844882 B CN 105844882B
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acquisition
module box
data communication
wireless data
communication module
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CN105844882A (en
Inventor
雷霆
朱赵辉
孙建会
田振华
贺虎
武学毅
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China Geokon Instruments Co ltd
China Institute of Water Resources and Hydropower Research
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention relates to an integrated temperature measuring device which comprises an acquisition module box, a thermistor thermometer, a data acquisition processing circuit, a wireless data communication module and a power supply battery board, wherein the thermistor thermometer, the wireless data communication module and the power supply battery board are all connected with the data acquisition processing circuit, the data acquisition processing circuit and the wireless data communication module are all fixedly arranged in the acquisition module box, the acquisition module box is hermetically arranged and provided with a hole at the bottom, and the thermistor thermometer is fixedly arranged at the hole at the bottom of the acquisition module box. The device is suitable for temperature measurement of a non-corrosive environment, temperature values do not need to be read on site manually, installation, use and maintenance steps are simplified, labor cost of temperature measurement and cost of the whole hardware system are effectively reduced, and measurement reliability and precision of the whole safety monitoring system are improved.

Description

Integrated temperature measuring device
Technical Field
The invention relates to the technical field of temperature measurement, in particular to an integrated temperature measuring device for a non-corrosive environment.
Background
In safety monitoring of a field environment such as an observation well, temperature is an important physical quantity for safety monitoring, and an existing temperature measurement mode is generally as follows: the temperature sensor is arranged on a measured site, the temperature sensor outputs a cable and is led to the acquisition instrument in the observation room in a long distance, and the acquisition instrument is used for reading the numerical value of the temperature sensor and storing the numerical value, and then the numerical value is manually acquired; the mains supply has high cost and cannot adapt to the field environment; the observation room needs manual patrol monitoring, so that the labor cost is high; and can only change temperature sensor after the cable break line earlier when the maintenance, connect the cable again, whole installation is used and the maintenance process is very complicated, is unfavorable for the later maintenance. In addition, the temperature value is directly read on site through temperature measuring equipment manually in a measuring mode, the mode needs manual work to go to the site, and the problems of high labor cost and troublesome installation and use of the equipment exist.
Disclosure of Invention
The invention provides a novel integrated temperature measuring device aiming at the problems of poor reliability, high labor cost, complex installation, use and maintenance and the like of a temperature sensor caused by the distortion of a long-distance transmission signal of a cable in the conventional temperature measuring mode.
The technical scheme of the invention is as follows:
the utility model provides an integrated temperature measuring device, its characterized in that, includes collection module box, thermistor thermometer, data acquisition processing circuit, wireless data communication module and power supply cell board, thermistor thermometer, wireless data communication module and power supply cell board all link to each other with data acquisition processing circuit, data acquisition processing circuit and wireless data communication module are all fixed to be set up in collection module box, collection module box seals to be set up and the bottom trompil, the fixed bottom trompil department that sets up at collection module box of thermistor thermometer.
The data acquisition processing circuit comprises a main control chip, an acquisition circuit and a clock circuit, wherein the acquisition circuit and the clock circuit are both connected with the main control chip, the thermistor thermometer is connected with the acquisition circuit, and the wireless data communication module and the power supply battery panel are both connected with the main control chip.
The integrated temperature measuring device further comprises an installation hanging piece fixedly arranged on the outer side of the acquisition module box, and a metal plate elbow structure is arranged on the installation hanging piece.
The thermistor thermometer comprises a thermistor and a circular stainless steel shell packaged outside the thermistor, and is locked at the bottom opening of the acquisition module box through a waterproof joint made of plastic.
The solar collecting module box is characterized in that the collecting module box is made of plastic materials, a groove is formed in the outer surface of the top of the collecting module box, the power supply panel is a solar panel, and the solar panel is stuck in the groove of the collecting module box.
An antenna column extends out of the top of the acquisition module box, and an antenna of the wireless data communication module is packaged in the antenna column.
The bottom of the acquisition module box is exposed with a communication joint for initial configuration, the communication joint is covered with a protective cap, and the protective cap is connected with an anti-loss line fixed at the bottom of the acquisition module box.
The invention has the following technical effects:
the invention relates to an integrated temperature measuring device, which is provided with an acquisition module box, a data acquisition processing circuit and a wireless data communication module which are arranged in the acquisition module box, and is matched with a unique structure of a thermistor thermometer which is specifically connected with the acquisition module box, wherein the data acquisition processing circuit is used for carrying out signal calculation processing after acquiring signals corresponding to the temperature of the external environment where the thermistor thermometer is located, and the signals are transmitted to a remote data receiving platform by the wireless data communication module through a wireless transmission technology, so that a user can see the temperature value of all measured mounting points at each time on the data receiving platform through a network. The invention integrates the thermistor thermometer and the collection module box with built-in data collection processing circuit, without long-distance transmission by long cable, to avoid the problem of poor reliability of temperature measurement caused by signal distortion, and reduce the cost of installation and use, the invention uses the power supply battery board, especially suitable for the field environment without commercial power supply, and does not need to read and patrol the measured field manually, thus reducing the labor cost, and the invention has compact structure of integrated temperature measurement device, the collection module box is sealed to be more suitable for temperature measurement in non-corrosive environment, the field installation and later maintenance are simple, the integrated temperature measurement device is only needed to be replaced integrally during maintenance, no wire break and replacement and wiring are needed, the steps of installation, use and maintenance are simplified, and the labor cost of temperature measurement and the cost of the whole hardware system are effectively reduced, the measurement reliability and the precision of the whole safety monitoring system are improved, and the accurate measurement of the outdoor environment temperature such as an observation well is realized.
The data acquisition processing circuit of the integrated temperature measuring device preferably comprises a main control chip, an acquisition circuit and a clock circuit which are both connected with the main control chip, the acquisition circuit is in a standby state most of the time, the main control chip and the clock circuit can perform one-time interaction at intervals to obtain real-time, whether the acquisition circuit is awakened and works is determined by judging whether the acquisition circuit is set acquisition time and sending time, signals corresponding to the external environment temperature of the thermistor thermometer are acquired after the acquisition circuit is awakened, and then the main control chip performs data calculation processing.
The installation hanging pieces are preferably arranged, so that the integrated temperature measuring device can be hung on each installation point to be measured conveniently, the integrated temperature measuring device can be integrally and fixedly hung, the integrated temperature measuring device is particularly suitable for fixed installation under a well cover of an observation well, and the stability of the integrated temperature measuring device is improved; the thermistor in the thermistor thermometer is packaged in the circular stainless steel shell, the temperature of the external environment is sensed through the stainless steel shell and then is quickly transmitted to the thermistor, and the thermistor is packaged and protected by the device, so that the service life and the operation reliability of the thermistor are improved; the top of collection module box stretches out there is the antenna column, and wireless data communication module's antenna package is in the antenna column, need not extend to the outside of collection module box's antenna column, and this kind of structure waterproof dustproof performance is excellent.
Drawings
FIG. 1 is a block diagram of the integrated temperature measuring device of the present invention.
FIG. 2 is a block diagram of a preferred structure of the integrated temperature measuring device of the present invention.
Fig. 3a and 3b are a side view and a front view of a preferred structure of the integrated temperature measuring device of the present invention, respectively.
The various reference numbers in the figures are listed below:
1-collection module box; 2-a data acquisition processing circuit; 3-a wireless data communication module; 4-thermistor thermometer; 5-a solar panel; 6, mounting a hanging piece; 7-waterproof joints; 8-protective cap; 9-preventing the wire from being lost; 10-terminal.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
The invention discloses an integrated temperature measuring device, which is shown as a structural block diagram in figure 1 and comprises an acquisition module box, a thermistor thermometer, a data acquisition and processing circuit, a wireless data communication module and a power supply battery board, wherein the thermistor thermometer, the wireless data communication module and the power supply battery board are all connected with the data acquisition and processing circuit, the data acquisition and processing circuit and the wireless data communication module are all fixedly arranged in the acquisition module box, the acquisition module box is arranged in a sealing manner, the bottom of the acquisition module box is provided with a hole, and the thermistor thermometer is fixedly arranged at the bottom hole of the acquisition module box.
FIG. 2 is a block diagram of a preferred structure of the integrated temperature measuring device of the present invention; fig. 3a and 3b are a side view and a front view of a preferred structure of the integrated temperature measuring device of the present invention, respectively. The integrated temperature measuring device comprises an acquisition module box 1, a thermistor thermometer 4, a data acquisition and processing circuit 2, a wireless data communication module 3, a power supply battery panel and an installation hanging piece 6, wherein the data acquisition and processing circuit 2 and the wireless data communication module 3 are fixedly arranged in the acquisition module box 1, the acquisition module box 1 is hermetically arranged and provided with a bottom hole, and the thermistor thermometer 4 is fixedly arranged at the bottom hole of the acquisition module box 1. The data acquisition processing circuit 2 comprises a main control chip, an acquisition circuit and a clock circuit, wherein the acquisition circuit and the clock circuit are connected with the main control chip, the thermistor thermometer 4 is connected with the acquisition circuit, and the wireless data communication module 3 and the power supply battery panel are connected with the main control chip. The thermistor thermometer 4 comprises a thermistor and a round stainless steel shell packaged outside the thermistor, and can be locked at the bottom opening of the acquisition module box 1 through a waterproof joint 7 made of a waterproof insulating plastic material with slow heat conduction; the mounting hanger 6 is fixedly arranged on the outer side of the acquisition module box 1, and a sheet metal elbow structure is arranged on the mounting hanger 6; the collecting module box 1 is made of plastic materials so as to be more suitable for temperature measurement of a non-corrosive environment, the power supply panel is preferably a solar panel 5 so as to be suitable for environment application without commercial power supply in the field, a groove can be arranged on the outer surface of the top of the collecting module box 1, the solar panel 5 is pasted in the groove of the collecting module box 1, and the solar panel 5 and the groove can be inclined at 45 degrees; the top of the collection module box 1 extends to form an antenna column 10, the antenna of the wireless data communication module 3 is packaged in the antenna column 10 and does not extend to the outside of the antenna column 10 of the collection module box 1, and the structure is excellent in waterproof and dustproof performance. The bottom of the collection module box 1 is exposed with a communication connector for initial configuration, the communication connector is used for connecting an integrated temperature measuring device with an upper computer before working for initial configuration, the communication connector is covered by a protective cap 8 at ordinary times, the protective cap 8 is connected with a loss-preventing line 9 fixed at the bottom of the collection module box 1, the protective cap 8 is taken off when the communication connector is used, and the loss-preventing line 9 can naturally hang down and cannot be lost due to the fact that one end of the protective cap 8 is connected.
The integrated temperature measuring device integrates a thermistor thermometer and an acquisition module box internally provided with a data acquisition processing circuit and a wireless data communication module, the acquisition circuit is in a standby state most of the time, a main control chip and a clock circuit can interact once at intervals of a certain time (such as every few seconds) to obtain real-time, and whether the acquisition circuit is awakened and works is determined by judging whether the set acquisition time is the set acquisition time and the set sending time; if the temperature sensor is at the acquisition time point, the acquisition circuit provides current excitation for the thermistor thermometer, and simultaneously acquires a voltage signal fed back by the thermistor thermometer and transmits the voltage signal to the main control chip for data calculation and processing, the main control chip substitutes the received signal into a correction formula to calculate and store an actual temperature value of the environment where the thermistor thermometer is located, and the correction formula can be understood as a parameter table reflecting resistance value change according to temperature change; if the wireless data communication module is at the sending time point, the power supply battery board supplies power to the wireless data communication module, sends a command to check whether the wireless data communication module can work normally or not, and then judges whether the stored data which are not sent are sent or not. The wireless data communication module transmits data to a remote data receiving platform, the data receiving platform stores the data in a corresponding database after receiving the data, and a user can see the temperature value of each time of all the tested installation points on the client data receiving platform through a network.
The invention is essentially an integrated temperature measuring device with low power consumption, which can collect thermistor thermometer data at equal intervals and store the thermistor thermometer data at equal intervals and send the thermistor thermometer data to a data receiving platform through a network, a data collecting and processing circuit adopts a low power consumption working mode, the power consumption of a standby state is extremely low, the thermistor thermometer data can be collected and sent at equal intervals in advance, the integrated temperature measuring device is provided with a built-in memory for storing 2000 pieces of data, the data collecting and processing circuit is combined with the thermistor thermometer, a wireless data communication module, a collecting module box and the like, and the integrated temperature measuring device is used for realizing a design scheme of temperature monitoring, data collection and signal transmission centralized processing, and has the advantages of timing collection, timing report, large self-storage capacity, long standby. The temperature monitoring device can be mainly applied to temperature monitoring of field unmanned areas, the device is provided with a solar cell panel, the solar cell panel can work in sunshine environment for a long time, and even if sunshine does not exist, the solar cell panel can normally work for more than half a year. The integrated temperature measuring device can be matched with a data receiving platform at a remote place to form a whole set of system, so that full-automatic acquisition, transmission and display of temperature measurement can be realized, a user or an operator can check the temperature value of each point related to a project only by logging in project information on any computer with a network, and the consumption of labor cost in the project is greatly reduced. The integrated temperature measuring device has simple and compact structure, long-distance transmission is not needed, the problem of poor reliability of temperature measurement caused by signal distortion is avoided, each component is clearly divided and works in a matching way, the installation and use cost is reduced, manual field reading and inspection are not needed, the information can be checked by regularly logging in the computer with a network, the labor cost for temperature measurement in the field without power supply is reduced, the automation of temperature measurement is realized, the device effectively solves the trouble of temperature measurement in the field without power supply by combining the thermistor thermometer, the built-in data acquisition and processing circuit and the acquisition module box of the wireless data communication module and changing the working mode of the temperature acquisition equipment, and by configuring the relevant parameters of the data acquisition and processing circuit in advance, so that the device can collect and store data in a low-power consumption form and transmit the data to a data receiving platform through a CDMA or GSM network. Therefore, the labor cost of field temperature measurement is reduced, the standby time of the device is prolonged, and the overall system cost is reduced. The field installation and the later maintenance are simple, a data acquisition processing circuit is configured in advance during the field installation, and only the integrated temperature measuring device is required to be integrally fixed at a place with sufficient sunlight irradiation and can receive CDMA or GSM signals, and the temperature probe of the thermistor thermometer is placed at a measured point; when in maintenance, the integrated temperature measuring device is only required to be integrally replaced without disconnection and replacement and then wiring, so that the installation, use and maintenance steps are simplified, the measurement reliability and the precision of the whole safety monitoring system are improved, and the accurate measurement of the outdoor environment temperature such as an observation well is realized.
It should be noted that the above-mentioned embodiments enable a person skilled in the art to more fully understand the invention, without restricting it in any way. Therefore, although the present invention has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.

Claims (5)

1. The integrated temperature measuring device is suitable for temperature measurement of a non-corrosive field environment and is characterized by comprising an acquisition module box, a thermistor thermometer, a data acquisition processing circuit, a wireless data communication module and a power supply battery board, wherein the thermistor thermometer, the wireless data communication module and the power supply battery board are all connected with the data acquisition processing circuit, the data acquisition processing circuit and the wireless data communication module are all fixedly arranged in the acquisition module box, the acquisition module box is arranged in a sealing manner and is provided with a hole at the bottom, the thermistor thermometer is fixedly arranged at the hole at the bottom of the acquisition module box so as to integrate the thermistor thermometer, the built-in data acquisition processing circuit and the acquisition module box of the wireless data communication module in a close range, and the data acquisition processing circuit is combined with the thermistor thermometer, the wireless data communication module and the acquisition module box to realize temperature monitoring, Data acquisition and signal transmission centralized processing;
the collecting module box is made of plastic materials, a groove is formed in the outer surface of the top of the collecting module box, the power supply panel is a solar panel, and the solar panel is adhered in the groove of the collecting module box; the data acquisition processing circuit comprises a main control chip, an acquisition circuit and a clock circuit, wherein the acquisition circuit and the clock circuit are both connected with the main control chip, the thermistor thermometer is connected with the acquisition circuit, the wireless data communication module and the power supply battery panel are both connected with the main control chip, the acquisition circuit is in a standby state, the main control chip and the clock circuit perform one-time interaction at intervals to obtain real-time, and whether the acquisition circuit is awakened and works is determined by judging whether the set acquisition time is the set acquisition time and judging whether the set acquisition time is the set transmission time; if the temperature sensor is at the acquisition time point, the acquisition circuit is awakened and provides current excitation for the thermistor thermometer, and simultaneously voltage signals fed back by the thermistor thermometer are acquired and transmitted to the main control chip for data calculation and processing, the main control chip brings the received signals into a correction formula to calculate and store an actual temperature value of the environment where the thermistor thermometer is located, and the correction formula is a parameter table for reflecting the change of the resistance value according to the change of the temperature; if the wireless data communication module is at the sending time point, the power supply battery board supplies power to the wireless data communication module, sends a command to check whether the wireless data communication module can work normally or not, and then judges whether the stored data which are not sent are sent or not.
2. The integrated temperature measuring device of claim 1, further comprising a mounting hanger fixedly arranged at the outer side of the acquisition module box, wherein a sheet metal elbow structure is arranged on the mounting hanger.
3. The integrated temperature measuring device of claim 1, wherein the thermistor thermometer comprises a thermistor and a round stainless steel housing encapsulated outside the thermistor, and the thermistor thermometer is locked at the bottom opening of the collection module box by a waterproof joint made of plastic.
4. The integrated temperature measuring device of claim 1, wherein an antenna post extends from the top of the collection module box, and the antenna of the wireless data communication module is enclosed in the antenna post.
5. The integrated thermometric apparatus of claim 4, wherein the bottom of the collection module box has a communication connector exposed for initial deployment, the communication connector being capped with a protective cap, the protective cap having a wire attached thereto that is secured to the bottom of the collection module box.
CN201610269934.4A 2016-04-27 2016-04-27 Integrated temperature measuring device Active CN105844882B (en)

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CN108593142B (en) * 2018-06-29 2023-08-04 福州大学 Integrated temperature measurement system and working method thereof

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US7128466B2 (en) * 2001-07-09 2006-10-31 Ewig Industries Co., Ltd. Dual thermometer system
CN201396150Y (en) * 2009-04-30 2010-02-03 中国石油集团长城钻探工程有限公司 Integrative digital wireless thermoscope
CN201563005U (en) * 2009-12-11 2010-08-25 珠海拓普智能电气有限公司 Protective measurement and control and electrical contact online temperature detecting integrated device
CN102128683A (en) * 2010-12-29 2011-07-20 南京武大卓越科技有限公司 Wireless intelligent thermodetector
CN202632329U (en) * 2012-04-19 2012-12-26 北京昆仑海岸传感技术有限公司 Low-power-consumption wireless active temperature label

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Effective date of registration: 20220525

Address after: 102488, 3, Binhe West Street, Triumph Street, Beijing, Fangshan District, Liangxiang

Patentee after: CHINA GEOKON INSTRUMENTS Co.,Ltd.

Address before: 102488, 3, Binhe West Street, Triumph Street, Beijing, Fangshan District, Liangxiang

Patentee before: CHINA GEOKON INSTRUMENTS Co.,Ltd.

Patentee before: China Institute of Water Resources and Hydropower Research

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Inventor after: Lei Ting

Inventor before: Lei Ting

Inventor before: Zhu Zhaohui

Inventor before: Sun Jianhui

Inventor before: Tian Zhenhua

Inventor before: He Hu

Inventor before: Wu Xueyi