CN109357788A - A kind of high capacity motor temperature measurement system - Google Patents
A kind of high capacity motor temperature measurement system Download PDFInfo
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- CN109357788A CN109357788A CN201811305835.2A CN201811305835A CN109357788A CN 109357788 A CN109357788 A CN 109357788A CN 201811305835 A CN201811305835 A CN 201811305835A CN 109357788 A CN109357788 A CN 109357788A
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- measurement system
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 235000009470 Theobroma cacao Nutrition 0.000 claims 1
- 244000240602 cacao Species 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004861 thermometry Methods 0.000 description 1
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
-
- 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
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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 high capacity motor temperature measurement systems, the control module including being fixed on the temperature-measuring module of motor interior and with temperature-measuring module communication connection；Temperature-measuring module includes microprocessor, the wireless communications chips interacted with microprocessor data, temperature sensor, temperature sensor is connect using the interface mode of monobus with microprocessor, EEPROM is installed, microprocessor internal includes configuration register, CRC module inside temperature sensor；The display screen that the control module includes control panel, is connect with control panel, control panel and microprocessor pass through wireless communications chips communication connection.It is an advantage of the current invention that improving the accuracy of measurement temperature, controls the temperature error of detection within ± 0.5 DEG C, improve anti-interference, avoid cumbersome mode of connection, also can be realized remote transmission.
Description
Technical field
The invention belongs to high capacity motor detection technique field, specially a kind of high capacity motor temperature measurement system.
Background technique
Currently, in the prior art to the measurement of large-size machine temperature mainly using the probe PT100 of simulation, to detect
The temperature of large-size machine, this detection method are the measuring principle by PT100 thermal resistance, i.e., when the temperature increases, resistance
Resistance value increases, and externally measured instrument is to measure the resistance value of resistance to table look-up obtain corresponding temperature value again.Wherein 1 ohm of resistance becomes
Change about corresponding 3 degree of temperature change, this method for detecting temperature all can because of line resistance, electromagnetic interference, measuring instrument table etc.
Error is brought, be accurate to measurement result can not in very high level；Further more, the detection method of the prior art is because of connection
When PT100 and the route of instrument are in complex industrial scene, it is impossible to not interfere with, be normally carried out measurement can not；
And the two line connections of prior art PT100 make each probe require two core wires, trilinear method then needs three core wires, and four-wire method then needs
Quad is wanted, mode of connection is complicated；The remoter error of this detection method distance of the prior art is bigger, makes to construct to remote distance
Become unrealistic, therefore, transmission range also hampers the accuracy of detection.To sum up, large-scale using PT100 detection in the prior art
When motor temperature, that there are measurement accuracy is not high, anti-interference is general, mode of connection is cumbersome, and can not adapt to transmit at a distance lacks
It falls into.
Summary of the invention
In order to solve technological deficiency above-mentioned in the prior art, a kind of high capacity motor temperature measurement system disclosed by the invention
System, the purpose realized are to improve the accuracy of measurement temperature, control the temperature error of detection within ± 0.5 DEG C, improve
Anti-interference, avoids cumbersome mode of connection, also can be realized remote transmission.
To achieve the above object, technical solution provided by the invention is that the present invention provides a kind of high capacity motor temperature
Measuring system, including be fixed on motor interior temperature-measuring module and with the control mould of temperature-measuring module communication connection
Block；
Temperature-measuring module includes microprocessor, the wireless communications chips interacted with microprocessor data, temperature sensor,
Temperature sensor is connect using the interface mode of monobus with microprocessor, and EEPROM, micro- place are equipped with inside temperature sensor
Manage includes configuration register, CRC module inside device；
The display screen that the control module includes control panel, is connect with control panel, control panel and microprocessor are logical
Cross wireless communications chips communication connection.
When using present system, the probe of temperature sensor can be distributed in each position of motor, real-time detection electricity
Then the temperature of motivation sends data to microprocessor, microprocessor sends the data to control module, and control module can lead to
Control panel is crossed to assign instruction to microprocessor, the configuration register of microprocessor is used to store instruction, and CRC module can be used
To be verified to the data of transmitting-receiving.
Due to measuring chip using this temperature of temperature sensor in the present invention, and it is and microprocessor through bus
What mode connected, in this bus can simultaneously the multiple temperature sensors of multi-connection probe, 128 spies can be at maximum up to
Head, each probe are distinguished by the good address of inner setting, can read the motor temperature of wider scope；In addition, temperature passes
Sensor implanted chip motor, output is directly digital signal, and control module may be read into digital signal by display screen, survey
The precision of amount is done by high-precision chip to be guaranteed, ensure that the precision of measurement temperature；Due to walked on route be tape verifying number
According to signal is strong, and anti-interference increases substantially；Again due to being connect by way of bus with microprocessor, also avoid
Mode of connection, and can be realized remote transmission.
Further, the microprocessor internal further include memory, the cache module that is interacted with memory data.
Further, the microprocessor internal further includes high temperature touch block, low temperature touch block.When the temperature detected is super
When having gone out high temperature threshold value, low temperature threshold, microprocessor can be issued to control module and be warned by high temperature touch block, low temperature touch block
Show.
Further, electric power detection module, electricity are also serially connected on the circuit that microprocessor is connect with temperature sensor
Detection module is used to detect the electricity in temperature-measuring module, and the data that will test pass through nothing after microprocessor processes
Line communication chip is sent to control panel.The surplus of temperature-measuring module can be recognized at any time by the display screen in control module
Remaining electricity.
Further, which further includes the power supply for being mounted on motor interior, power supply and microprocessor electricity
Property connection, be also serially connected with analog switch in the circuit that power supply is connect with microprocessor.When microprocessor is from electric power detection
When getting not enough power supply in module, analog switch can be connected, power supply is used to power for it.
Further, the power supply can rechargable power supplies.When power supply electricity exhausts, power supply can be taken
It charges out, or is provided with charging hole on motor for power supply.
Further, the wireless communications chips be wifi, GPRS, bluetooth, zigbee any one.
To sum up, the invention has the advantages that, the present invention improves the accuracy of measurement temperature, makes the temperature of detection
Control errors improve anti-interference, avoid cumbersome mode of connection, also can be realized remote transmission within ± 0.5 DEG C.
Detailed description of the invention
Fig. 1 is present system block diagram.
Specific embodiment
The present invention is described in further detail below with reference to specific embodiment.
Embodiment one: shown in referring to Fig.1, a kind of high capacity motor temperature measurement system provided by the invention, including fixation
In the temperature-measuring module of motor interior and control module with temperature-measuring module communication connection；
Temperature-measuring module includes microprocessor, the wireless communications chips interacted with microprocessor data, temperature sensor,
Temperature sensor is connect using the interface mode of monobus with microprocessor, and EEPROM, micro- place are equipped with inside temperature sensor
Manage includes configuration register, CRC module inside device；
The display screen that the control module includes control panel, is connect with control panel, control panel and microprocessor are logical
Cross wireless communications chips communication connection.
The present invention uses DS18B20 type temperature sensor, has the advantages that
(1) only need a mouth line that microprocessor can be realized when connecting using the interface mode of monobus with microprocessor
With the both-way communication of DS18B20.Monobus is economical good, and strong antijamming capability is suitable for the scene temperature of adverse circumstances
Measurement, it is easy to use the advantages that, make user that can easily set up sensor network, be measuring system building introduce it is completely new general
It reads.
(2) measurement temperature range is wide, and the measurement range of the high DS18B20 of measurement accuracy is -55 DEG C~+125 DEG C；- 10~+
Within the scope of 85 DEG C, precision is ± 0.5 DEG C.
(3) any peripheral cell is not needed in use.
(4) holding the multiple DS18B20 of multiple spot networking function can be connected in parallel on only single line, realize multi-point temperature measurement.
(5) the flexible DS18B20 of power supply mode can obtain power supply by endophyte circuit from data line.Therefore, when
When timing on data line meets certain requirement, external power supply can not be connect, thus keep system structure simpler, reliability
It is higher.
(6) Measurement Resolution that measurement parameter can configure DS18B20 can be 9~12 by program setting.
(7) when negative pressure characteristic electric power polarity is reversed, thermometer will not be burnt because of fever, but cisco unity malfunction.
(8) contain EEPROM inside power-down protection DS18B20, after system is powered down, it still can be reserved for resolution ratio
And the setting value of alarm temperature.
Further, the microprocessor internal further include memory, the cache module that is interacted with memory data.
Further, the microprocessor internal further includes high temperature touch block, low temperature touch block.
Meanwhile by 64 ROM, non-volatile temperature alarming trigger TH and TL, (high temperature touch block, low temperature touch DS18B20
Module), configuration register.64 bit sequence numbers in ROM are photo-etched before dispatching from the factory, it can be regarded as the DS18B20's
64 bit sequence numbers of address sequence code, each DS18B20 are all different.Cyclic redundancy check code (the CRC=X of the row of 64 ROM
^8+X^5+X^4+1).The effect of ROM is to keep each DS18B20 different, thus may be implemented to hang in a bus
Connect the purpose of multiple DS18B20.
Further, electric power detection module, electricity are also serially connected on the circuit that microprocessor is connect with temperature sensor
Detection module is used to detect the electricity in temperature-measuring module, and the data that will test pass through nothing after microprocessor processes
Line communication chip is sent to control panel.
Further, which further includes the power supply for being mounted on motor interior, power supply and microprocessor electricity
Property connection, be also serially connected with analog switch in the circuit that power supply is connect with microprocessor.
Further, the power supply can rechargable power supplies.The wireless communications chips be wifi, GPRS, bluetooth,
Zigbee any one.
This product is embedded in progress follow-on test measurement in a 135KW large-size machine, the temperature measured extremely essence
Really.Error is less than ± 0.5 DEG C.
By this product multiple probes access to the very high fruit library of thermometry requirements, the temperature value read on host computer with
Professional mercury formula thermometer is corresponding.
This product is used in distributed coal separation field, since the temperature measuring point of coal preparation plant is more, distribution dispersion in addition, and letter
Single wiring and telecommunication effectively overcomes the result that former traditional analog formula PT100 can not be accomplished.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of high capacity motor temperature measurement system, which is characterized in that the temperature including being fixed on motor interior measures mould
Block and control module with temperature-measuring module communication connection；
Temperature-measuring module includes microprocessor, the wireless communications chips interacted with microprocessor data, temperature sensor, temperature
Sensor is connect using the interface mode of monobus with microprocessor, and EEPROM, microprocessor are equipped with inside temperature sensor
Inside includes configuration register, CRC module；
The display screen that the control module includes control panel, is connect with control panel, control panel and microprocessor pass through nothing
Line communication chip communication connection.
2. high capacity motor temperature measurement system according to claim 1, which is characterized in that the microprocessor internal is also
Including memory, the cache module interacted with memory data.
3. high capacity motor temperature measurement system according to claim 1, which is characterized in that the microprocessor internal is also
Including high temperature touch block, low temperature touch block.
4. high capacity motor temperature measurement system according to claim 1, which is characterized in that passed in microprocessor and temperature
Electric power detection module is also serially connected on the circuit of sensor connection, electric power detection module is used to detect the electricity in temperature-measuring module
Amount, and the data that will test are sent to control panel by wireless communications chips after microprocessor processes.
5. high capacity motor temperature measurement system according to claim 4, which is characterized in that the system further includes being mounted on
The power supply of motor interior, power supply and microprocessor are electrically connected, in the electricity that power supply is connect with microprocessor
Analog switch is also serially connected in road.
6. according to right to go 5 described in high capacity motor temperature measurement system, which is characterized in that the power supply cocoa fills
Power supply.
7. high capacity motor temperature measurement system according to claim 1, which is characterized in that the wireless communications chips are
Wifi, GPRS, bluetooth, zigbee any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305835.2A CN109357788A (en) | 2018-11-05 | 2018-11-05 | A kind of high capacity motor temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305835.2A CN109357788A (en) | 2018-11-05 | 2018-11-05 | A kind of high capacity motor temperature measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109357788A true CN109357788A (en) | 2019-02-19 |
Family
ID=65344130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305835.2A Pending CN109357788A (en) | 2018-11-05 | 2018-11-05 | A kind of high capacity motor temperature measurement system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016807Y (en) * | 2006-12-15 | 2008-02-06 | 大庆油田有限责任公司 | Temperature monitoring device of pump recovery well motor |
| CN101589546A (en) * | 2007-03-29 | 2009-11-25 | 丰田自动车株式会社 | Motor control device, control method and control program |
| CN201937244U (en) * | 2010-09-20 | 2011-08-17 | 上海华建电力设备股份有限公司 | Microcomputer motor protecting and monitoring device with wireless temperature measurement function |
| CN204214553U (en) * | 2014-11-10 | 2015-03-18 | 青岛万力科技有限公司 | A kind of motor wireless monitoring device |
-
2018
- 2018-11-05 CN CN201811305835.2A patent/CN109357788A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201016807Y (en) * | 2006-12-15 | 2008-02-06 | 大庆油田有限责任公司 | Temperature monitoring device of pump recovery well motor |
| CN101589546A (en) * | 2007-03-29 | 2009-11-25 | 丰田自动车株式会社 | Motor control device, control method and control program |
| CN201937244U (en) * | 2010-09-20 | 2011-08-17 | 上海华建电力设备股份有限公司 | Microcomputer motor protecting and monitoring device with wireless temperature measurement function |
| CN204214553U (en) * | 2014-11-10 | 2015-03-18 | 青岛万力科技有限公司 | A kind of motor wireless monitoring device |
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Application publication date: 20190219 |