CN210513438U - Wireless thermometer based on NB-IoT technology - Google Patents
Wireless thermometer based on NB-IoT technology Download PDFInfo
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- CN210513438U CN210513438U CN201921871543.5U CN201921871543U CN210513438U CN 210513438 U CN210513438 U CN 210513438U CN 201921871543 U CN201921871543 U CN 201921871543U CN 210513438 U CN210513438 U CN 210513438U
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Abstract
The utility model relates to a wireless thermometer based on NB-IoT technique belongs to temperature measurement technical field. The utility model discloses mainly solve unable networking, with high costs, the big technical problem of later stage expense that current wireless thermometer exists. The technical scheme of the utility model is that: a wireless thermometer based on NB-IoT technology, wherein: the temperature measurement device comprises a temperature measurement module for collecting analog quantity temperature signals, an AD conversion module for converting the analog quantity signals into digital signals, an MCU micro-processing module for analyzing the digital signals, an NB-IoT module for converting the received digital signals into electromagnetic wave signals, a transmission antenna for transmitting the electromagnetic wave signals, an LCD display module and a power supply module. The utility model has the advantages of the system integration level is high, response speed is fast, the system low power dissipation, later maintenance expense are low.
Description
Technical Field
The utility model belongs to the technical field of the temperature measurement, in particular to wireless thermometer based on NB-IoT technique.
Background
The existing wireless thermometer mostly adopts GPRS transmission or LTE transmission, and GPRS faces the network quitting problem at present, so the GPRS wireless thermometer faces the technical problem that the network can not be connected, and the significance of the wireless thermometer can not be realized; the LTE wireless thermometer has the technical problems of high cost, large later-period expense, and the like.
Disclosure of Invention
An object of the utility model is to overcome prior art's shortcoming, provide a wireless thermometer based on NB-IoT technique, solve unable networking, with high costs, the big technical problem of later stage expense that current wireless thermometer exists.
The utility model discloses a realize through following technical scheme: a wireless thermometer based on NB-IoT technology, wherein: the device comprises a temperature measurement module for collecting analog quantity temperature signals, an AD conversion module for converting the analog quantity signals into digital signals, an MCU micro-processing module for analyzing the digital signals, an NB-IoT module for converting the received digital signals into electromagnetic wave signals, a transmission antenna for transmitting the electromagnetic wave signals, an LCD display module and a power supply module;
the signal output end of the temperature measuring module is connected with the analog signal acquisition port of the AD conversion module; the digital signal output port of the AD conversion module is connected with the serial port hardware port of the MCU micro-processing module; the serial hardware port of the MCU micro-processing module is connected with the serial hardware port of the NB-IoT module; the output port of the MCU micro-processing module is connected with the LCD display module; the signal output end of the NB-IoT module is connected with a transmission antenna; the power supply module is electrically connected with the MCU micro-processing module, the NB-IoT module and the LCD display module respectively;
the temperature measurement module collects an analog quantity temperature signal and then sends the analog quantity temperature signal to the AD conversion module, the AD conversion module converts the analog quantity temperature signal into a digital signal and sends the digital signal to the MCU micro-processing module, the MCU micro-processing module analyzes the digital signal and then respectively sends the digital signal to the LCD display module and the NB-IoT module, the LCD display module displays the received digital signal in an Arabic digital mode, the NB-IoT module converts the received digital signal into an electromagnetic wave signal and transmits the electromagnetic wave signal to the transmission antenna, the transmission antenna sends the electromagnetic wave signal, and the power supply module is used for supplying power to the MCU micro-processing module, the NB-IoT module and the LCD display module.
Further, the temperature measuring module adopts a 3950 type thermocouple temperature sensor.
Furthermore, the LCD display module adopts a 7-bit half-segment digital liquid crystal display screen.
Furthermore, the power module adopts a lithium battery for power supply.
The utility model can realize non-contact pollution-free high-precision measurement, and has high measurement precision; the application of NB-IoT technique has improved data transmission's penetrability and transmission distance, compares with prior art, the utility model has the advantages of the system integrated level is high, response speed is fast, the system low power dissipation, later maintenance expense are low.
Drawings
Fig. 1 is a block diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, a wireless thermometer based on NB-IoT technology in the present embodiment, wherein: the device comprises a temperature measurement module for collecting analog quantity temperature signals, an AD conversion module for converting the analog quantity signals into digital signals, an MCU micro-processing module for analyzing the digital signals, an NB-IoT module for converting the received digital signals into electromagnetic wave signals, a transmission antenna for transmitting the electromagnetic wave signals, an LCD display module and a power supply module;
the signal output end of the temperature measuring module is connected with the analog signal acquisition port of the AD conversion module; the digital signal output port of the AD conversion module is connected with the serial port hardware port of the MCU micro-processing module; the serial hardware port of the MCU micro-processing module is connected with the serial hardware port of the NB-IoT module; the output port of the MCU micro-processing module is connected with the LCD display module; the signal output end of the NB-IoT module is connected with a transmission antenna; the power supply module is electrically connected with the MCU micro-processing module, the NB-IoT module and the LCD display module respectively;
the temperature measurement module collects an analog quantity temperature signal and then sends the analog quantity temperature signal to the AD conversion module, the AD conversion module converts the analog quantity temperature signal into a digital signal and sends the digital signal to the MCU micro-processing module, the MCU micro-processing module analyzes the digital signal and then respectively sends the digital signal to the LCD display module and the NB-IoT module, the LCD display module displays the received digital signal in an Arabic digital mode, the NB-IoT module converts the received digital signal into an electromagnetic wave signal and transmits the electromagnetic wave signal to the transmission antenna, the transmission antenna sends the electromagnetic wave signal, and the power supply module is used for supplying power to the MCU micro-processing module, the NB-IoT module and the LCD display module.
The temperature measurement module adopts a 3950-model thermocouple temperature sensor, the LCD display module adopts a 7-bit half-segment digital liquid crystal display screen, and the power supply module adopts a lithium battery for power supply.
As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (4)
1. A wireless thermometer based on NB-IoT technology, characterized by: the device comprises a temperature measurement module for collecting analog quantity temperature signals, an AD conversion module for converting the analog quantity signals into digital signals, an MCU micro-processing module for analyzing the digital signals, an NB-IoT module for converting the received digital signals into electromagnetic wave signals, a transmission antenna for transmitting the electromagnetic wave signals, an LCD display module and a power supply module;
the signal output end of the temperature measuring module is connected with the analog signal acquisition port of the AD conversion module; the digital signal output port of the AD conversion module is connected with the serial port hardware port of the MCU micro-processing module; the serial hardware port of the MCU micro-processing module is connected with the serial hardware port of the NB-IoT module; the output port of the MCU micro-processing module is connected with the LCD display module; the signal output end of the NB-IoT module is connected with a transmission antenna; the power supply module is electrically connected with the MCU micro-processing module, the NB-IoT module and the LCD display module respectively.
2. The NB-IoT technology-based wireless thermometer of claim 1, wherein: the temperature measuring module adopts a 3950 type thermocouple temperature sensor.
3. The NB-IoT technology-based wireless thermometer of claim 1, wherein: the LCD display module adopts a 7-bit half-segment digital liquid crystal display screen.
4. The NB-IoT technology-based wireless thermometer of claim 1, wherein: the power module adopts a lithium battery for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871543.5U CN210513438U (en) | 2019-11-01 | 2019-11-01 | Wireless thermometer based on NB-IoT technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921871543.5U CN210513438U (en) | 2019-11-01 | 2019-11-01 | Wireless thermometer based on NB-IoT technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210513438U true CN210513438U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921871543.5U Active CN210513438U (en) | 2019-11-01 | 2019-11-01 | Wireless thermometer based on NB-IoT technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN210513438U (en) |
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- 2019-11-01 CN CN201921871543.5U patent/CN210513438U/en active Active
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