CN113358242A - Wireless temperature sensor - Google Patents
Wireless temperature sensor Download PDFInfo
- Publication number
- CN113358242A CN113358242A CN202110630037.2A CN202110630037A CN113358242A CN 113358242 A CN113358242 A CN 113358242A CN 202110630037 A CN202110630037 A CN 202110630037A CN 113358242 A CN113358242 A CN 113358242A
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- wireless
- microprocessor
- thermoelectric generator
- end cap
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
Abstract
A wireless temperature sensor, comprising: the temperature difference generator, the temperature sensor, the microprocessor and the wireless transceiver; the thermoelectric generator supplies power to the temperature sensor, the microprocessor and the wireless transceiver, the data output end of the temperature sensor is connected with the first input end of the microprocessor, and the microprocessor sends data to superior equipment through the wireless receiver. The thermoelectric generator is used for supplying power, an external power supply is omitted, the connection of power supply lines is reduced, meanwhile, the wireless communication mode is communicated with the superior equipment, the wire connection between the host and the wireless communication mode is reduced, the installation is more convenient, and the occurrence of line faults is reduced.
Description
Technical Field
The invention relates to a wireless temperature sensor, and belongs to the technical field of sensors.
Background
The detection of the axle temperature, the axle vibration and the speed of the train is an important sensor for ensuring the safety of the train. The power supply of the temperature sensors used at present is provided by a carriage, and simultaneously, all the sensors are transmitted to a central control system in a wired communication mode. Because the power supply scheme that the different use scenes correspond changes greatly for sensor quantity can become many, and interconnecting link also can become complicated, leads to the data that present scene can not comprehensive acquire all axle temperatures, can only detect partial axle temperature, and the wiring circuit is complicated difficult for clearing up, thereby has reduced the reliability of system.
Disclosure of Invention
The present invention is directed to solve the above problems of the prior art, and further to provide a wireless temperature sensor.
The purpose of the invention is realized by the following technical scheme:
a wireless temperature sensor, comprising: the temperature difference generator, the temperature sensor, the microprocessor and the wireless transceiver;
the thermoelectric generator supplies power to the temperature sensor, the microprocessor and the wireless transceiver, the data output end of the temperature sensor is connected with the first input end of the microprocessor, and the microprocessor sends data to superior equipment through the wireless receiver.
The invention has the outstanding characteristics that the thermoelectric generator is adopted for supplying power, an external power supply is saved, the connection of a power supply circuit is reduced, meanwhile, the wireless communication mode is communicated with superior equipment, the wire connection between the thermoelectric generator and a host is reduced, the installation is more convenient, and the occurrence of line faults is reduced.
Drawings
FIG. 1 is a block diagram of a wireless temperature sensor of the present invention.
Fig. 2 is a mechanical structure diagram of the wireless temperature sensor.
Detailed Description
The present invention will be described in further detail below: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation is given, but the scope of the present invention is not limited to the following embodiments.
There is provided a wireless temperature sensor, as shown in fig. 1, comprising: the device comprises a thermoelectric generator 1, a temperature sensor 2, a microprocessor 3 and a wireless transceiver 4;
specifically, the thermoelectric generator 1 supplies power to the temperature sensor 2, the microprocessor 3 and the wireless transceiver 4, the data output end of the temperature sensor 2 is connected with the first input end of the microprocessor 3, and the microprocessor 3 sends data to the superior device through the wireless receiver 4. Optionally, the superior device may be a host of an automobile or a host of a detection device, and the superior device is not specifically limited in the present invention.
Further, the thermoelectric generator 1 comprises a thermoelectric power generation power supply for generating power by utilizing the temperature difference between the inner cavity of the measured bearing and the outside, and the thermoelectric power generation is adopted, so that an external power supply is omitted, and the power line connection is reduced.
Further, the thermoelectric generator 1 further comprises a voltage stabilizing circuit, and electricity generated by the thermoelectric generation power supply is stabilized by the voltage stabilizing circuit and then supplies power to the circuit board 5, namely the temperature sensor 2, the microprocessor 3 and the wireless transceiver 4 arranged on the circuit board 5.
Further, the thermoelectric generator 1 further comprises a battery 13, and the input and output ends of the voltage stabilizing circuit are connected with the input and output ends of the battery 13. The electricity generated by the voltage stabilizing circuit can also charge the battery 13, and when the temperature in the inner cavity of the tested bearing is balanced with the external temperature, the battery 13 can be used as a standby power supply to continuously supply power for the circuit board 5.
Furthermore, the temperature sensor may further include a vibration sensor, the thermoelectric generator 1 supplies power to the vibration sensor, and a data output end of the vibration sensor is connected to a second input end of the microprocessor 3.
Further, the temperature sensor may also include a circuit board 5, and the temperature sensor 2, the microprocessor 3 and the wireless transceiver 4 are all mounted on the circuit board 5.
Further, the temperature sensor can also comprise an end cover 7, the end cover 7 is connected with the axle housing when in use, and the circuit board 5 is arranged inside the end cover 7 and is fixedly connected with the end cover 7.
Further, the thermoelectric generator 1 is mounted on the end cap 7.
Alternatively, the battery 13 is separately mounted on the end cap 7.
Specifically, a temperature sensor, a vibration sensor, and a microprocessor may be employed. The microprocessor 3 respectively carries out signal conversion processing on the received data of the temperature sensor 2 and/or the vibration sensor and then transmits the processed data to the superior equipment through the wireless transceiver 4.
The model of the temperature sensor used in the above specific embodiment is DS18B20, the model of the vibration sensor is MSCA4002-ZAO3/4B, the model of the microprocessor is STM32F103, and the model of the thermoelectric generator is TEC 1-12706.
The first embodiment,
A schematic mechanical structure of a wireless temperature sensor is shown in fig. 2, a battery 13 is disposed on an end cover 7, a circuit board 5 is fixed in the end cover 7 and fixedly connected to the end cover 7, a temperature sensor 2 is disposed on the circuit board 5, a wireless transceiver 4 is disposed on the end cover 7, and a thermoelectric generator 1 (optionally, a thermoelectric power generation source and a voltage stabilizing circuit) is fixedly mounted in the end cover 7 to supply power to the circuit board 5.
Alternatively, a vibration sensor, a microprocessor 3, and the like may be provided on the circuit board 7.
The temperature sensor in the above embodiment adopts the thermoelectric generator for power supply, so that an external power supply is omitted, the connection of a power line is reduced, meanwhile, the wireless communication mode is communicated with superior equipment, the wire connection between the temperature sensor and a host is reduced, the installation is more convenient, and the occurrence of line faults is reduced. The arrangement of a plurality of sensors in one sensor reduces the installation volume and cost, and makes the detection easier to operate.
The above description is only a preferred embodiment of the present invention, and these embodiments are based on different implementations of the present invention, and the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A wireless temperature sensor, comprising: the temperature difference generator, the temperature sensor, the microprocessor and the wireless transceiver;
the thermoelectric generator supplies power to the temperature sensor, the microprocessor and the wireless transceiver, the data output end of the temperature sensor is connected with the first input end of the microprocessor, and the microprocessor sends data to superior equipment through the wireless receiver.
2. The wireless temperature sensor of claim 1, wherein the thermoelectric generator comprises a thermoelectric power source for generating power by utilizing the temperature difference between the inner cavity of the bearing to be measured and the outside.
3. The wireless temperature sensor of claim 2, wherein the thermoelectric generator further comprises a voltage regulator circuit, and wherein electricity generated by the thermoelectric generator power supply is regulated by the voltage regulator circuit to power the temperature sensor, the microprocessor, and the wireless transceiver.
4. The wireless temperature sensor of claim 3, wherein the thermoelectric generator further comprises a battery, and the input and output ends of the voltage regulator circuit are connected to the input and output ends of the battery.
5. The wireless temperature sensor of claim 1, further comprising a vibration sensor, wherein the thermoelectric generator supplies power to the vibration sensor, and wherein a data output of the vibration sensor is coupled to the second input of the microprocessor.
6. The wireless temperature sensor of claim 1, further comprising a circuit board on which the temperature sensor, the microprocessor, and the wireless transceiver are mounted.
7. The wireless temperature sensor of claim 6, further comprising an end cap coupled to the axle housing in use, the circuit board being fixedly connected to the end cap.
8. The wireless temperature sensor of claim 1, further comprising an end cap, the thermoelectric generator being mounted on the end cap.
9. The wireless temperature sensor of claim 3, further comprising an end cap, the battery being mounted on the end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630037.2A CN113358242A (en) | 2021-06-07 | 2021-06-07 | Wireless temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630037.2A CN113358242A (en) | 2021-06-07 | 2021-06-07 | Wireless temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113358242A true CN113358242A (en) | 2021-09-07 |
Family
ID=77532675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630037.2A Pending CN113358242A (en) | 2021-06-07 | 2021-06-07 | Wireless temperature sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN113358242A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060090574A1 (en) * | 2004-10-29 | 2006-05-04 | Moore Robert H | Wireless sensors in roll covers |
| CN203443676U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Wireless temperature sensor capable of supplying power by utilizing temperature difference |
| CN203672903U (en) * | 2013-10-15 | 2014-06-25 | 湖南湘依铁路机车电器股份有限公司 | Multi-channel Hall rotation speed sensor for locomotive speed measurement |
| CN206132235U (en) * | 2016-11-07 | 2017-04-26 | 绵竹市星科电器开关有限责任公司 | Substation equipment temperature -detecting device |
| CN109100050A (en) * | 2018-09-25 | 2018-12-28 | 中国大唐集团科学技术研究院有限公司华中分公司 | Using the passive and wireless thermal power plant wall temperature measurement system of temperature difference module for power supply |
| US20190250044A1 (en) * | 2018-02-13 | 2019-08-15 | Manford Development Limited | Wireless probe for food, and system and method for wireless food temperature real-time monitoring |
-
2021
- 2021-06-07 CN CN202110630037.2A patent/CN113358242A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060090574A1 (en) * | 2004-10-29 | 2006-05-04 | Moore Robert H | Wireless sensors in roll covers |
| CN203443676U (en) * | 2013-09-18 | 2014-02-19 | 国家电网公司 | Wireless temperature sensor capable of supplying power by utilizing temperature difference |
| CN203672903U (en) * | 2013-10-15 | 2014-06-25 | 湖南湘依铁路机车电器股份有限公司 | Multi-channel Hall rotation speed sensor for locomotive speed measurement |
| CN206132235U (en) * | 2016-11-07 | 2017-04-26 | 绵竹市星科电器开关有限责任公司 | Substation equipment temperature -detecting device |
| US20190250044A1 (en) * | 2018-02-13 | 2019-08-15 | Manford Development Limited | Wireless probe for food, and system and method for wireless food temperature real-time monitoring |
| CN109100050A (en) * | 2018-09-25 | 2018-12-28 | 中国大唐集团科学技术研究院有限公司华中分公司 | Using the passive and wireless thermal power plant wall temperature measurement system of temperature difference module for power supply |
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