CN108593131A - A kind of shaft temperature sensor circuit - Google Patents
A kind of shaft temperature sensor circuit Download PDFInfo
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- CN108593131A CN108593131A CN201810440333.4A CN201810440333A CN108593131A CN 108593131 A CN108593131 A CN 108593131A CN 201810440333 A CN201810440333 A CN 201810440333A CN 108593131 A CN108593131 A CN 108593131A
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- module
- temperature sensor
- temperature
- power supply
- high frequency
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- 238000005070 sampling Methods 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 241001274660 Modulus Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/021—Particular circuit arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2215/00—Details concerning sensor power supply
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2219/00—Thermometers with dedicated analog to digital converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of shaft temperature sensor circuits, including battery, power supply processing module, temperature sampling module, A/D conversion modules, read module, high frequency modulation module and antenna, power supply processing module is connect with battery, power supply processing module, temperature sampling module are connect with A/D conversion modules, A/D conversion modules, power supply processing module, read module are all connected to high frequency modulation module, and antenna is connected to high frequency modulation module.For the shaft temperature sensor circuit using temperature sampling module as temperature sensor, temperature sampling accuracy is high, and monitoring temperature range is wide；Be powered using button cell, shaft temperature sensor it is small, be easily installed；The ID number of temperature sensor is read out using read module, maintains easily replacement temperature sensor；Treated that data are emitted by antenna wireless transmission for high frequency modulation module, can transmit relatively remote.
Description
Technical field
The present invention relates to the technical field of sensor, more particularly to a kind of shaft temperature sensor circuit.
Background technology
At runtime, the temperature of wheel rotary shaft can constantly change all vehicles, when the faster temperature of speed can be higher,
Wheel bearing is also constantly being worn, and can be caused axis locking phenomenon in this way, be seriously affected railway and road transporting safety, can not be ensured
Safe operation.
Wheel bearing in the process of running, if bearing has occurred stuck, bearing temperature can very fast rising, if do not had
Axle temperature monitoring device carries out temperature alarming, and driver continues to drive, and there is risk of catastrophic failure in this way.
Vehicle there is no that installation axle temperature monitoring device, only a small amount of railcar are equipped with infrared ray in portal at present
Auxiliary monitoring equipment, infrared ray ancillary equipment cannot monitor in real time, be checked once, then just when only wheel passes through when vehicle pull-in
It is big volume, wire transmission, supply voltage minimum DC12V etc., on vehicle not easy to install.
For this purpose, we have proposed a kind of shaft temperature sensor circuits.
Invention content
The main purpose of the present invention is to provide a kind of shaft temperature sensor circuits, have vehicle axle temperature monitoring function, body
Long-pending smaller, wireless data real-time Transmission, advantage easy to install.
To achieve the above object, the present invention provides a kind of shaft temperature sensor circuit, including battery, power supply processing module,
Temperature sampling module, A/D conversion modules, read module, high frequency modulation module and antenna, the power supply processing module and the electricity
Pond connects, and the power supply processing module, the temperature sampling module are connect with the A/D conversion modules, the A/D moduluss of conversion
Block, the power supply processing module, the read module are all connected to the high frequency modulation module, and the antenna is connected to the height
Frequency modulation module.
Preferably, the temperature sampling module is thermocouple, and the thermocouple detects temperature range up to 1000 DEG C.
Preferably, the battery is button cell.
Preferably, the read module reads the temperature sensor ID number of the temperature sampling module using low frequency.
Preferably, the high frequency modulation module by antenna by wheel shaft temperature data, battery voltage data, temperature sensor
ID number wireless transmission transmitting.
Compared with prior art, the present invention has the advantages that：Shaft temperature sensor circuit uses temperature sampling module
As temperature sensor, temperature sampling accuracy is high, and monitoring temperature range is wide；It is powered using button cell, axle temperature sensing
Device it is small, be easily installed；The ID number of temperature sensor is read out using read module, maintains easily and replaces temperature biography
Sensor；Treated that data are emitted by antenna wireless transmission for high frequency modulation module, can transmit relatively remote.
Description of the drawings
Fig. 1 is the circuit diagram of the shaft temperature sensor circuit of the embodiment of the present invention.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Shaft temperature sensor circuit 100 is applied in shaft temperature sensor, and shaft temperature sensor can be used for rail traffic wheel shaft detection,
It can also be used for temperature detection in vehicle wheel shaft temperature detection and machinery equipment.Fig. 1 is the shaft temperature sensor electricity of the embodiment of the present invention
The circuit diagram on road 100, as shown in Figure 1, the shaft temperature sensor circuit 100 of the present embodiment include battery 10, power supply processing module 20,
Temperature sampling module 30, A/D conversion modules 40, read module 50, high frequency modulation module 60 and antenna 70.
Specifically, the connection relation between modules is as follows：
As shown in Figure 1, the power supply processing module 20 of the present embodiment is connect with battery 10, power supply processing module 20 is by battery 10
The voltage signal of input carries out steady pressure treatment, ensures circuit voltage stability.Preferably, the model of power supply processing module 20
4VZ7 chips.Moreover, battery 10 is button cell 10, it is powered using button cell 10, the volume of shaft temperature sensor is small just
In installation, 10 service life of battery is long, replaces 10 convenience of battery.
The shaft temperature sensor circuit 100 of the present embodiment is mainly used in shaft temperature sensor, is used for detection wheel axle temperature degree,
During practical shaft temperature sensor is installed and used, temperature sampling module 30 is in direct contact with wheel shaft, and temperature sampling module 30 is direct
Detection wheel axle temperature degree, and be temperature analog signal by wheel shaft temperature inversion.Preferably, temperature sampling module 30 is thermocouple, is adopted
Carrying out temperature detection with thermocouple, then sample precision is high, detection temperature range is wide.Preferably, thermocouple detection temperature range can
Up to 1000 DEG C.
Further, the power supply processing module 20 of the present embodiment is connect with A/D conversion modules 40, and power supply processing module 20 is
A/D conversion modules 40 are powered.
Furthermore the temperature sampling module 30 of the present embodiment is connect with A/D conversion modules 40, will be warm from temperature sampling module 30
It spends in analog signal transmission to A/D conversion modules 40, temperature analog signal is amplified by A/D conversion modules 40, and will amplification
Temperature analog signal afterwards is converted into temperature digital signal.Preferably, 6675 chip of model of A/D conversion modules 40.
Please continue to refer to Fig. 1, the read module 50 of the present embodiment reads the temperature biography of temperature sampling module 30 using low frequency
Sensor ID number, for temperature sampling module 30 to be identified, Faulty Temperature sampling mould can accurately be found by facilitating when failure
Block 30 is simultaneously replaced.Preferably, the model 722J chips of read module 50.
Please continue to refer to Fig. 1, the A/D conversion modules 40, power supply processing module 20, read module 50 of the present embodiment are all connected with
In high frequency modulation module 60, by treated the wheel shaft temperature of A/D conversion modules 40, by power supply processing module 20, treated
Battery voltage data and the temperature sensor ID number read by read module 50 are transferred in high frequency modulation module 60, high frequency
Wheel shaft temperature, battery voltage data and temperature sensor ID number are modulated on higher frequency by modulation module 60.Further, originally
The antenna 70 of embodiment is connected to high frequency modulation module 60, then, high frequency modulation module 60 by antenna 70 by wheel shaft temperature data,
Battery voltage data, the wireless transmission transmitting of temperature sensor ID number, can determine whether wheel shaft temperature is normal according to these data.It is excellent
Choosing, the model F875C chips of high frequency modulation module 60.The spirit of shaft temperature sensor application is substantially increased using wireless transmission
Activity can be transmitted relatively at a distance, and spaciousness reception distance is remote up to 50 meters, and strong antijamming capability is stable and reliable in work.
Compared with prior art, temperature sampling module 30 is made using thermocouple in shaft temperature sensor circuit 100 of the invention
For temperature sensor, temperature sampling accuracy is high, and monitoring temperature range is wide；It is powered using button cell 10, axle temperature sensing
Device it is small, be easily installed；The ID number of temperature sensor is read out using read module 50, maintains easily replacement temperature
Sensor；Treated the data of high frequency modulation module 60 are wirelessly transferred by antenna 70 to be emitted, and can be transmitted relatively remote.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. a kind of shaft temperature sensor circuit, which is characterized in that turn including battery, power supply processing module, temperature sampling module, A/D
Mold changing block, read module, high frequency modulation module and antenna, the power supply processing module are connect with the battery, at the power supply
Reason module, the temperature sampling module are connect with the A/D conversion modules, and the A/D conversion modules, the power supply handle mould
Block, the read module are all connected to the high frequency modulation module, and the antenna is connected to the high frequency modulation module.
2. shaft temperature sensor circuit according to claim 1, which is characterized in that the temperature sampling module is thermocouple,
The thermocouple detects temperature range up to 1000 DEG C.
3. shaft temperature sensor circuit according to claim 1, which is characterized in that the battery is button cell.
4. shaft temperature sensor circuit according to claim 1, which is characterized in that the read module reads institute using low frequency
State the temperature sensor ID number of temperature sampling module.
5. shaft temperature sensor circuit according to claim 1, which is characterized in that the high frequency modulation module will by antenna
Wheel shaft temperature data, battery voltage data, the wireless transmission transmitting of temperature sensor ID number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440333.4A CN108593131A (en) | 2018-05-10 | 2018-05-10 | A kind of shaft temperature sensor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810440333.4A CN108593131A (en) | 2018-05-10 | 2018-05-10 | A kind of shaft temperature sensor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108593131A true CN108593131A (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810440333.4A Pending CN108593131A (en) | 2018-05-10 | 2018-05-10 | A kind of shaft temperature sensor circuit |
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| Country | Link |
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| CN (1) | CN108593131A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115636A1 (en) * | 2009-11-16 | 2011-05-19 | Zhang Changhuan | Wireless temperature measuring system |
| CN202002745U (en) * | 2010-12-29 | 2011-10-05 | 上海市电力公司 | Wireless temperature sensor |
| CN203455108U (en) * | 2013-08-20 | 2014-02-26 | 中国石油大学(华东) | Temperature monitoring and alarm device for automobile wheel hub bearings |
| CN203854679U (en) * | 2014-04-18 | 2014-10-01 | 深圳市远望谷信息技术股份有限公司 | Passive temperature measuring device and train axle temperature detecting device |
| CN204210489U (en) * | 2014-11-25 | 2015-03-18 | 侯运彪 | Railway freight class row axle temperature wireless monitoring device |
| CN104848951A (en) * | 2014-11-20 | 2015-08-19 | 青岛同创节能环保工程有限公司 | Real-time wireless thermoscope |
| CN104990590A (en) * | 2015-07-28 | 2015-10-21 | 金中朝 | Point-to-point wireless humiture monitoring system |
| CN106585663A (en) * | 2017-02-23 | 2017-04-26 | 济宁市智通电子科技有限公司 | Rail wagon axle temperature detecting system |
| CN206569084U (en) * | 2016-11-18 | 2017-10-20 | 深圳市航天华拓科技有限公司 | shaft temperature detecting device |
| CN208187576U (en) * | 2018-05-10 | 2018-12-04 | 东莞市诺丽电子科技有限公司 | A kind of shaft temperature sensor circuit |
-
2018
- 2018-05-10 CN CN201810440333.4A patent/CN108593131A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110115636A1 (en) * | 2009-11-16 | 2011-05-19 | Zhang Changhuan | Wireless temperature measuring system |
| CN202002745U (en) * | 2010-12-29 | 2011-10-05 | 上海市电力公司 | Wireless temperature sensor |
| CN203455108U (en) * | 2013-08-20 | 2014-02-26 | 中国石油大学(华东) | Temperature monitoring and alarm device for automobile wheel hub bearings |
| CN203854679U (en) * | 2014-04-18 | 2014-10-01 | 深圳市远望谷信息技术股份有限公司 | Passive temperature measuring device and train axle temperature detecting device |
| CN104848951A (en) * | 2014-11-20 | 2015-08-19 | 青岛同创节能环保工程有限公司 | Real-time wireless thermoscope |
| CN204210489U (en) * | 2014-11-25 | 2015-03-18 | 侯运彪 | Railway freight class row axle temperature wireless monitoring device |
| CN104990590A (en) * | 2015-07-28 | 2015-10-21 | 金中朝 | Point-to-point wireless humiture monitoring system |
| CN206569084U (en) * | 2016-11-18 | 2017-10-20 | 深圳市航天华拓科技有限公司 | shaft temperature detecting device |
| CN106585663A (en) * | 2017-02-23 | 2017-04-26 | 济宁市智通电子科技有限公司 | Rail wagon axle temperature detecting system |
| CN208187576U (en) * | 2018-05-10 | 2018-12-04 | 东莞市诺丽电子科技有限公司 | A kind of shaft temperature sensor circuit |
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