CN212513373U - Wireless temperature acquisition device - Google Patents
Wireless temperature acquisition device Download PDFInfo
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- CN212513373U CN212513373U CN202020639158.4U CN202020639158U CN212513373U CN 212513373 U CN212513373 U CN 212513373U CN 202020639158 U CN202020639158 U CN 202020639158U CN 212513373 U CN212513373 U CN 212513373U
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Abstract
The utility model discloses a wireless temperature acquisition device, wireless temperature acquisition device includes: the temperature acquisition module utilizes a thermocouple to acquire temperature information, the acquired temperature information is sent to the main control module through the data transceiver module, the main control module analyzes the temperature data, the main control module is connected with the display module, and the display module displays the temperature information acquired by the temperature acquisition module. The utility model provides a current temperature acquisition device can not transmit temperature data under no net state, the problem of point-to-point wireless transmission temperature data can not.
Description
Technical Field
The utility model relates to a temperature acquisition technical field, concretely relates to wireless temperature acquisition device.
Background
With the development of science and technology and the gradual update of process technology, temperature acquisition and processing in the fields of daily life, industrial and mining enterprise production and the like are very common, and the temperature acquisition and processing are used as an important monitoring parameter for ensuring safety in many fields. Therefore, the processing of timeliness, accuracy and scientificity of temperature acquisition is also receiving wide attention. Some temperature collection in the current market still adopt the past manual field collection method, obviously do not conform to the development requirements of timeliness, accuracy and scientificity, some adopt the automatic collection mode, but need the wiring, have the problems of troublesome installation and maintenance, high cost and the like, and are not favorable for popularization and application in a large range.
The traditional wireless transmission temperature data needs to be set in advance to form a good network environment, the transmission equipment and the receiving equipment are both accessed into the same network, no interference signal exists in the network environment and no shielding object exists in the physical environment, the dependence on the environment is large, the transmission distance is short, long-distance high-quality signal transmission cannot be realized, and once the network is disconnected, the transmission of temperature signals cannot be realized.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a wireless temperature acquisition device to solve current temperature acquisition device and can not transmit temperature data under no net state, the problem that can not point-to-point wireless transmission temperature data.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a wireless temperature acquisition device, wireless temperature acquisition device includes: the temperature acquisition module utilizes a thermocouple to acquire temperature information, the acquired temperature information is sent to the main control module through the data transceiver module, the main control module analyzes the temperature data, the main control module is connected with the display module, and the display module displays the acquired temperature information.
Further, the temperature acquisition module comprises: the thermocouple is in contact with an object to be measured in temperature, the thermocouple is connected with the thermocouple transmitter, the thermocouple transmits a voltage signal to the thermocouple transmitter, the thermocouple transmitter converts the voltage signal into an RS485 signal, and the thermocouple transmitter is connected with the first main control chip.
Furthermore, the first main control chip reads an RS485 signal output by the thermocouple transmitter and converts the RS485 signal into a digital signal of a serial port protocol, and the first main control chip is connected with the data transceiver module.
Further, the data transceiver module includes: the wireless signal transmitting device is connected with the first main control chip and wirelessly transmits the temperature data, the wireless signal receiving device receives the temperature data transmitted by the wireless signal transmitting device, the data transmission adopts a radio frequency signal, the wireless signal transmitting device transmits the data in a certain channel broadcast mode, the transmitted data content contains ID identification information of a receiving party, and the wireless signal receiving device receives the data of the same channel and containing the ID identification information.
Further, the master control module includes: the temperature data received by the wireless signal receiving device is sent to the second main control chip, the second main control chip analyzes the temperature data, and the second main control chip is connected with the storage device and the display card respectively.
Further, the storage device is an SD card, and the temperature data is stored in the SD card.
Furthermore, the display module is a touch display, the touch display is connected with a display card, the display card drives the touch display to display a temperature value, and the touch display can perform man-machine interaction operation and adjust temperature sampling frequency.
The embodiment of the utility model provides a have following advantage:
the utility model discloses a wireless temperature acquisition device, the temperature of the object to be measured is acquired through the thermocouple, the acquired temperature data is transmitted through a wireless signal transceiver after being converted into digital signals, the data is analyzed by a main control chip after being received, the data transmission adopts radio frequency signals, the wireless signal transceiver transmits the data in a broadcasting mode of a certain channel, the transmitted data content contains ID identification information of a receiver, the wireless signal receiver receives the data of the same channel and containing the ID identification information, the temperature data is stored in a storage device and displayed through a touch display, the real-time wireless transmission of the temperature is realized, the signal transmission can be realized even without an external network, the influence of the external environment is avoided, and the temperature sampling frequency can be customized, the temperature sensor is convenient to use in multiple occasions, and temperature information can be quickly acquired.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic connection diagram of a wireless temperature acquisition device according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a main control chip of a wireless temperature acquisition device according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a data transceiver module of a wireless temperature acquisition device according to an embodiment of the present invention.
In the figure: the device comprises a thermocouple 1, a thermocouple transmitter 2, a first main control chip 3, a wireless signal transmitting device 4, a wireless signal receiving device 5, a second main control chip 6, a storage device 7 and a touch display 8.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
This embodiment discloses a wireless temperature acquisition device, wireless temperature acquisition device includes: the temperature acquisition module utilizes the thermocouple 1 to acquire temperature information, the acquired temperature information is sent to the main control module through the data transceiver module, the main control module analyzes the temperature data, the main control module is connected with the display module, and the display module displays the acquired temperature information.
The temperature acquisition module includes: thermocouple 1, thermocouple changer 2 and first main control chip 3, thermocouple 1 contacts with the object that is measured the temperature, and thermocouple 1 includes a plurality ofly, can install the position that needs the temperature measurement in the difference, and thermocouple 1 changes the temperature change information into voltage change signal and conveys to thermocouple changer 2. The thermocouple transmitter 2 is composed of circuit units such as a reference source, cold end compensation, an amplification unit, linearization processing, V/I conversion, disconnection processing, reverse connection protection, current limiting protection and the like. The thermoelectric force generated by the thermocouple 1 is compensated and amplified by a cold end, then nonlinear error of the thermoelectric force and temperature is eliminated by a linear circuit, and finally the nonlinear error is amplified and converted into an RS485 output signal. Thermocouple 1 is connected with thermocouple changer 2, and thermocouple 1 sends voltage signal to thermocouple changer 2, and thermocouple changer 2 converts voltage signal into the RS485 signal, thermocouple changer 2 is connected with first main control chip 3. The model of first main control chip 3 is STM32F103, and first main control chip 3 reads the RS485 signal of thermocouple changer 2 output to convert the RS485 signal into the digital signal of serial port protocol, first main control chip 3 is connected with data transceiver module.
The data transceiver module includes: the wireless signal transmitting device 4 is connected with the first main control chip 3 and wirelessly transmits the digital signal of the serial port protocol, and the wireless signal receiving device 5 receives the digital signal of the serial port protocol transmitted by the wireless signal transmitting device 4. The wireless signal transmitting apparatus transmits data in a broadcast format of a certain channel, the transmitted data content includes ID identification information of a receiving party, and the wireless signal receiving apparatus receives data of the same channel and including ID identification information. And data encryption is realized by using a software encryption algorithm. The wireless signal transmitting apparatus 4 and the wireless signal receiving apparatus 5 are of the type GT-38, and the frequency of transmission is 433 MHz. The wireless signal transmitting device 4 and the wireless signal receiving device 5 can realize long-distance signal transmission, and the requirement of long-distance setting between the temperature acquisition end and the temperature display end is met. The GT-38 wireless serial port communication module has the working frequency range of 433-458.5MHz, can be provided with a plurality of channels, steps are 100KHz, and is provided with 255 channels in total. The maximum transmitting power of the module is 100mW (20dBm), the receiving sensitivity is-116 dBm at the air baud rate of 5000bps, the communication distance of 1200 meters can be achieved in an open field, ultra-long distance signal transmission is realized, and the number of bytes sent at one time is as long as 256 bytes.
The data transceiver module adopts point-to-point communication connection, realizes communication connection between the wireless signal transmitting device 4 and the wireless signal receiving device 5 without an external network, and can be applied in multiple occasions. Different from the traditional temperature data transmission mode, the wireless temperature data transmission method does not depend on an external network, adopts radio frequency signals for communication, sends related data, and can still carry out point-to-point communication even if no external signals exist. Particularly, the temperature data transmission is carried out under the environment that people cannot reach the site due to high temperature, high humidity and severe environment.
The main control module comprises: second main control chip 6, storage device 7 and display card, second main control chip 6 is connected with wireless signal receiving arrangement 5, and the temperature data that wireless signal receiving arrangement 5 received send to second main control chip 6, and the model of second main control chip 6 is STM32F407, and second main control chip 6 is analyzed temperature data, and second main control chip 6 is connected with storage device 7 and display card respectively, and storage device 7 is the SD card, and temperature data storage is in the SD card, is convenient for call the analysis to historical temperature data.
The display module is touch display 8, touch display 8 is connected with the display card, and display card drive touch display 8 shows temperature value, and touch display 8 can carry out human-computer interaction operation, adjusts temperature sampling frequency, realizes nimble control.
The utility model discloses a wireless temperature acquisition device can realize remote wireless temperature data transmission, is convenient for after having gathered data from the scene, receives temperature data at control room or data platform, and the change that can remote feedback temperature in real time has multiple application.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A wireless temperature acquisition device, the wireless temperature acquisition device comprising: the temperature acquisition module acquires temperature information by using a thermocouple, the acquired temperature information is sent to the main control module through the data transceiver module, the main control module analyzes the temperature data, the main control module is connected with the display module, and the display module displays the acquired temperature information;
the data transceiving module includes: the wireless signal transmitting device is connected with the first main control chip and wirelessly transmits temperature data, the wireless signal receiving device receives the temperature data transmitted by the wireless signal transmitting device, the data transmission adopts radio frequency signals, the wireless signal transmitting device transmits the data in a certain channel broadcast mode, the transmitted data content contains ID identification information of a receiving party, and the wireless signal receiving device receives the data of the same channel and containing the ID identification information;
the main control module comprises: the temperature data received by the wireless signal receiving device is sent to the second main control chip, the second main control chip analyzes the temperature data, and the second main control chip is connected with the storage device and the display card respectively.
2. The wireless temperature acquisition device of claim 1, wherein the temperature acquisition module comprises: the thermocouple is in contact with an object to be measured in temperature, the thermocouple is connected with the thermocouple transmitter, the thermocouple transmits a voltage signal to the thermocouple transmitter, the thermocouple transmitter converts the voltage signal into an RS485 signal, and the thermocouple transmitter is connected with the first main control chip.
3. The wireless temperature acquisition device of claim 2, wherein the first main control chip reads an RS485 signal output by the thermocouple transmitter and converts the RS485 signal into a digital signal of a serial port protocol, and the first main control chip is connected with the data transceiver module.
4. The wireless temperature acquisition device as claimed in claim 1, wherein the storage device is an SD card, and the temperature data is stored in the SD card.
5. The wireless temperature acquisition device of claim 1, wherein the display module is a touch display, the touch display is connected with a display card, the display card drives the touch display to display a temperature value, and the touch display can perform man-machine interaction operation and adjust temperature sampling frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020639158.4U CN212513373U (en) | 2020-04-24 | 2020-04-24 | Wireless temperature acquisition device |
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| CN202020639158.4U CN212513373U (en) | 2020-04-24 | 2020-04-24 | Wireless temperature acquisition device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050217A1 (en) * | 2021-09-29 | 2023-04-06 | 西门子股份公司 | Human-machine interface system, process instrument comprising same, and data processing method |
| RU2804829C1 (en) * | 2022-07-27 | 2023-10-06 | Акционерное общество "ОДК-Климов" | Method and device for measuring temperature of gas turbine engine output gas |
-
2020
- 2020-04-24 CN CN202020639158.4U patent/CN212513373U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023050217A1 (en) * | 2021-09-29 | 2023-04-06 | 西门子股份公司 | Human-machine interface system, process instrument comprising same, and data processing method |
| RU2804829C1 (en) * | 2022-07-27 | 2023-10-06 | Акционерное общество "ОДК-Климов" | Method and device for measuring temperature of gas turbine engine output gas |
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Address after: 102600 Room 303, building 2, No.3, boxing 8th Road, economic and Technological Development Zone, Daxing District, Beijing Patentee after: Beijing Zhongjia Zhirui Intelligent Equipment Technology Co.,Ltd. Address before: 102600 Room 303, building 2, No.3, boxing 8th Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: Beijing zhongjiazhixin Information Technology Co.,Ltd. |
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