CN206161196U - It can control system to detect anti warm nature of rail vehicle pt100 temperature sensor - Google Patents
It can control system to detect anti warm nature of rail vehicle pt100 temperature sensor Download PDFInfo
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- CN206161196U CN206161196U CN201620453239.9U CN201620453239U CN206161196U CN 206161196 U CN206161196 U CN 206161196U CN 201620453239 U CN201620453239 U CN 201620453239U CN 206161196 U CN206161196 U CN 206161196U
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Abstract
The utility model provides an it can control system to detect anti warm nature of rail vehicle pt100 temperature sensor, belongs to electron technical field. The utility model discloses a setting for under the extremely low or high temperature condition through observing, whether pt100 temperature sensor can correctly detect this temperature to the it can control system to detect anti warm nature of rail vehicle pt100 temperature sensor who reflects the anti warm nature of pt100 ability. The utility model discloses a constitute by pt100 temperature sensor and temperature acquisition module, host system, display module, serial module. The utility model discloses a pt100 temperature sensor carries out the temperature and detects, and the measure the temperature scope is great to through control heater and cooler, realize under high temperature or low temperature condition, accomplish the measurement experiment of pt100 temperature sensor's working property. It is further, the utility model provides an it can control system to detect anti warm nature of rail vehicle pt100 temperature sensor can detect other electronic equipment's of having same mounting hole anti temperature effect.
Description
Technical field
The utility model belongs to electronic technology field.
Background technology
At present, many fields such as industry, agricultural, national defence, space flight and track traffic all be unable to do without the measurement of temperature, temperature into
For the important and universal measurement parameter in one, each field, the measurement and control of temperature is to ensureing product quality, improving production effect
Very important effect is played in rate, energy saving, production safety, the development of promotion national economy.It is main to use in track traffic
Gearbox temperature in Pt100 temperature sensors detection EMUs, so as to react the working order of gear.Pt100 TEMPs
Device can measure -200 DEG C～+850 DEG C, also have the advantages that anti-vibration, good stability, the degree of accuracy are high, high pressure resistant, and it is detected
The stability of the accuracy and sensor of temperature itself directly affects the ruuning situation of rail vehicle, and the personal safety to passenger has
Important impact.Therefore, the test for carrying out heat-resisting property for rail vehicle Pt100 temperature sensors is significant.
The content of the invention
The purpose of this utility model is the Pt100 TEMPs by observation in the case where extremely low or high temperature conditionss are set
Whether device can be correctly detecting this temperature, so as to reflect the detection rail vehicle Pt100 temperature sensors of Pt100 heat-resisting properties
Heat-resisting property control system.
The utility model is by Pt100 temperature sensors and temperature collect module, main control module, display module, serial ports mould
Block is constituted；
Main control module circuit adopts STM32F103RBT6 chips：30 pin of main control module U1 are connected with S1, C1, R1 composition
Reset circuit, BT1, D1, D2, Y1 composition power-down protection circuit, 1,2 pin of main control module U1 connect R2, Y2, C2, C3 composition
Oscillating circuit, 4,5 pin of main control module U1 connect the filter circuit of C4, C5, L1 composition, 6,7 pins and the C6 phases of main control module U1
Connection composition decoupling circuit, 22,23 pins of main control module U1 are connected composition decoupling circuit with C7, main control module U1 20,
21 pins are connected composition decoupling circuit with C8, and 19,20 pins of main control module U1 are connected composition decoupling circuit with C9, master control
24,27 pins of module U1 are connected for three kinds of different Starting mode for selecting STM32, light-emitting diodes from R3, R4 and BOOT
Pipe LED1 and LED2 and current-limiting resistance R29, R30 composition are used to refer to serial data and receive and dispatch and be connected to main control module U1's
28th, 29 pin；
Temperature collect module：Temperature collection circuit is made up of Pt100 temperature sensors and operational amplification circuit, wherein computing
Amplifying circuit adopts low-power integrated operational amplifier TL062, in order to prevent the too high non-linear mistake brought of single-stage multiplication factor
Difference, amplifying circuit is amplified using two-stage：Operational amplification circuit is connected with Pt100 temperature sensors, differential capacitance C10, C13, fortune
Calculate amplification module and be connected with U2B operational amplifiers, the pin 5 of wherein U2B is connected with divider resistance R5, R6, the pin 6 of U2B, draws
Pin 7 is connected with differential capacitance C11, while being also associated with divider resistance R7, R8, R9, R10, U2B between the pin 6 of U2B, pin 7
Operational amplifier is also associated with divider resistance R13 and zero-regulator resistor R14 and constitutes preamplifying circuit；Operational amplification circuit is connected with
The pin 3 of U2A operational amplifiers, wherein U2A is connected with divider resistance R11, R12 and the pin 2 of differential capacitance C14, U2A connects
There is divider resistance R14, differential capacitance C12 is connected between the pin 1 and pin 2 of U2A and the pin 1 of resistance R15, U2A connects
There is resistance R16 to draw A/D pins, A/D pins are connected with the pin 17 of main control module U1；
Display module：Display module is connected with quaternity charactron, display module be connected with triode Q1, Q2, Q3,
Q4, quaternity charactron, a, b, c, d, e, f, g pin difference of quaternity charactron are driven for increasing driving current
Current-limiting resistance R18, R19, R20, R21, R22, R23, R24 are connected with, the other end of current-limiting resistance is connected to 7447 decoding modules
The pin 14,13,12,11,10,9,8 of U3, the pin 1,2,3,4 of decoding module U3 pin 8 respectively with main control module U1,9,
10th, 11 are connected, and one end of pull-up resistor R25, R26, R27, R28 with the base stage of triode Q1, Q2, Q3, Q4 respectively at being connected
Connect, the other end is connected respectively with the pin 12,13,14,15 of main control module U1；
Serial port module：Serial port module is mainly made up of U4 MAX232 chips and its external circuit, and serial port module is connected with
C15, C16, C17, C18 and 1,2,3,4,5,6 pins constitute charge pump circuit, 7,8 pins as host computer transmitting-receiving pin with
2,3 pins of J1 are connected, and 28,29 pins of 9,10 pins as the second data channel respectively with main control module U1 are connected.
The utility model carries out temperature detection using Pt100 temperature sensors, and measurement temperature scope is larger, and by control
Heater and cooler, realize under high temperature or cryogenic conditions, completing the detection reality of the service behaviour of Pt100 temperature sensors
Test.Furthermore, the detection rail vehicle Pt100 temperature sensor heat-resisting property control systems that the utility model is provided, can
To detect the temperature resistance effect of other electronic equipments with same installing hole.
Description of the drawings
Fig. 1 is the utility model main control module circuit diagram；
Fig. 2 is temperature collect module circuit diagram schematic diagram of the present utility model；
Fig. 3 is display module circuit theory diagrams of the present utility model；
Fig. 4 is serial port module circuit theory diagrams of the present utility model.
Specific embodiment
The utility model is by Pt100 temperature sensors and temperature collect module, main control module, display module, serial ports mould
Block is constituted；
Main control module circuit adopts STM32F103RBT6 chips：30 pin of main control module U1 are connected with S1, C1, R1 composition
Reset circuit, BT1, D1, D2, Y1 composition power-down protection circuit, 1,2 pin of main control module U1 connect R2, Y2, C2, C3 composition
Oscillating circuit, 4,5 pin of main control module U1 connect the filter circuit of C4, C5, L1 composition, 6,7 pins and the C6 phases of main control module U1
Connection composition decoupling circuit, 22,23 pins of main control module U1 are connected composition decoupling circuit with C7, main control module U1 20,
21 pins are connected composition decoupling circuit with C8, and 19,20 pins of main control module U1 are connected composition decoupling circuit with C9, master control
24,27 pins of module U1 are connected for three kinds of different Starting mode for selecting STM32, light-emitting diodes from R3, R4 and BOOT
Pipe LED1 and LED2 and current-limiting resistance R29, R30 composition are used to refer to serial data and receive and dispatch and be connected to main control module U1's
28th, 29 pin；
Temperature collect module：Temperature collection circuit is made up of Pt100 temperature sensors and operational amplification circuit, wherein computing
Amplifying circuit adopts low-power integrated operational amplifier TL062, in order to prevent the too high non-linear mistake brought of single-stage multiplication factor
Difference, amplifying circuit is amplified using two-stage：Operational amplification circuit is connected with Pt100 temperature sensors, differential capacitance C10, C13, fortune
Calculate amplification module and be connected with U2B operational amplifiers, the pin 5 of wherein U2B is connected with divider resistance R5, R6, the pin 6 of U2B, draws
Pin 7 is connected with differential capacitance C11, while being also associated with divider resistance R7, R8, R9, R10, U2B between the pin 6 of U2B, pin 7
Operational amplifier is also associated with divider resistance R13 and zero-regulator resistor R14 and constitutes preamplifying circuit；Operational amplification circuit is connected with
The pin 3 of U2A operational amplifiers, wherein U2A is connected with divider resistance R11, R12 and the pin 2 of differential capacitance C14, U2A connects
There is divider resistance R14, differential capacitance C12 is connected between the pin 1 and pin 2 of U2A and the pin 1 of resistance R15, U2A connects
There is resistance R16 to draw A/D pins, A/D pins are connected with the pin 17 of main control module U1；
Display module：Display module is connected with quaternity charactron, display module be connected with triode Q1, Q2, Q3,
Q4, quaternity charactron, a, b, c, d, e, f, g pin difference of quaternity charactron are driven for increasing driving current
Current-limiting resistance R18, R19, R20, R21, R22, R23, R24 are connected with, the other end of current-limiting resistance is connected to 7447 decoding modules
The pin 14,13,12,11,10,9,8 of U3, the pin 1,2,3,4 of decoding module U3 pin 8 respectively with main control module U1,9,
10th, 11 are connected, and one end of pull-up resistor R25, R26, R27, R28 with the base stage of triode Q1, Q2, Q3, Q4 respectively at being connected
Connect, the other end is connected respectively with the pin 12,13,14,15 of main control module U1；
Serial port module：Serial port module is mainly made up of U4 MAX232 chips and its external circuit, and serial port module is connected with
C15, C16, C17, C18 and 1,2,3,4,5,6 pins constitute charge pump circuit, 7,8 pins as host computer transmitting-receiving pin with
2,3 pins of J1 are connected, and 28,29 pins of 9,10 pins as the second data channel respectively with main control module U1 are connected.
Power supply of the power module for needed for other units are provided, on the premise of electrical equipment normal work is not affected, choosing
With built-in AC ~ DC 5V power transfer modules, terminal part chip power requires to be 3.3V, so using integrated DC5V ~ DC3.3V
Conversion chip NCP1117, is to ensure to be independent of each other between 5V power supplys and 3.3V, and 5V insulating power supply modules are added before NCP1117
IF0505S-W75。
Human-computer interaction interface is sent to control system by instruction is tested, after receiving test instruction, by man-machine interaction circle
Face gives system one design temperature, and system is sent out by comparing the size of design temperature and Current Temperatures by serial port module
Order lose one's life to heater or cooler, realizes under high temperature or low temperature environment to the detection of Pt100 temperature sensor service behaviours.
The utility model provides a kind of control system of detection rail vehicle Pt100 temperature sensor heat-resisting properties, leads to
Pt100 temperature sensor measurement Current Temperatures are crossed, main control module is sent into after temperature collect module carries out A/D conversions and data
Process, then shown by display module, while operating personnel set a detection temperature（- 200 DEG C～+850 DEG C）, pass through
Host computer sends order and reaches after design temperature to heater or cooler, reuses the detection of Pt100 temperature sensors
Whether identical with design temperature temperature, observe the temperature for now detecting.
The utility model is by heater, cooler, Pt100 temperature sensors, temperature collect module, main control module, aobvious
Show module, serial port module, power module and human-computer interaction interface composition.Main control module circuit includes reset circuit, power down protection
Circuit, oscillating circuit, filter circuit, decoupling circuit, serial ports transmitting-receiving indicating circuit and Starting mode selection circuit, realize to other
The management of module and control；Temperature collect module includes Pt100 temperature sensors and operational amplification circuit, and operational amplification circuit makes
Amplified with two-stage, zeroing can be realized by potentiometer；Display module is made up of eight common-anode charactrons, for showing
The temperature that Pt100 temperature sensors are measured；Serial port module includes charge pump circuit and data ALT-CH alternate channel；Main control module respectively and
Temperature collect module, serial port module are connected with display module, complete temperature data acquisition and process, and adopt fuzzy PID algorithm
The temperature of control heater, realizes the closed-loop control to temperature.Heater is the heating by actual conditions 200*300 customized
Plate, its wire is connected with main control module, and temperature sensor is the qualified Pt100 temperature sensors after strict experiment,
For measuring tooling platform temperature, and feed back to main control module.Human-computer interaction interface is sent to control system by instruction is tested, and receives
To after test instruction, give system one design temperature by human-computer interaction interface, system is by comparing design temperature and current temperature
The size of degree, and then heater or cooler are sent commands to by serial port module, it is right under high temperature or low temperature environment to realize
The detection of Pt100 temperature sensor service behaviours.
This is described in detail using new below in conjunction with accompanying drawing：
The utility model includes：It is heater, cooler, Pt100 temperature sensors, temperature collect module, main control module, aobvious
Show module, serial port module, power module and human-computer interaction interface, wherein STM32F103RBT6 chips are mainly by heater
Heating and the cooling of cooler be controlled, while control temperature collect module and display module, it is internal A/D conversions
Circuit, the temperature data for collecting is processed data by the A/D conversions of main control module inside, aobvious eventually through display module
Illustrate come to observe.Human-computer interaction interface is sent to control system by instruction is tested, after receiving test instruction, by man-machine
Interactive interface gives system one design temperature, system by comparing the size of design temperature and Current Temperatures, and then by serial ports
Module sends commands to heater or cooler, realizes under high temperature or low temperature environment to Pt100 temperature sensor service behaviours
Detection.
Main control module circuit is mainly made up of STM32F103RBT6 chips and its peripheral circuit：As shown in figure 1, main bag
The reset circuit being made up of S1, C1, R1 is included, cpu reset function is realized when S1 buttons are pressed；BT1, D1, D2, Y1 constitute power down
Protection circuit, powers under system power failure and low-power consumption mode for real-time clock；The oscillating circuit of R2, Y2, C2, C3 composition, be
CPU provides clock；The filter circuit of C4, C5, L1 composition, the power supply to chip internal A/D converter carries out uncoupling and filtering；
6,7 pins of U1 are connected composition decoupling circuit with C6, and 21,22 pins of U1 are connected composition decoupling circuit with C7, U1 19,
Be connected with C8 17,18 pins of composition decoupling circuit U1 of 20 pins are connected composition decoupling circuit with C9, are mainly removal
Power supply noise, improves the antijamming capability of CPU；24,27 pins of U1 are connected with R3, R4 and BOOT, pass through
BOOT1, BOOT0 pin of STM32F103RBT6 chips can select three kinds of different start-up modes；R29, R30 are used as current limliting
Resistance, with LED 1 and LED2 built-up circuits for the transmitting-receiving of simply serial data, that is, LED1 is bright when having data is activation,
LED2 is bright when having data receiver, does not otherwise all work, and realization will be heated or cooled order and be sent to heater or cooling by serial ports
Device, and operation is heated or cooled accordingly.
Temperature collect module：As shown in Fig. 2 temperature collect module mainly has Pt100 temperature sensors and operation amplifier electricity
Road constitutes, and operational amplification circuit adopts low-power integrated operational amplifier TL062, as the pre-amplification circuit of Pt100, in order to
Prevent the too high nonlinearity erron for bringing of single-stage multiplication factor, amplifying circuit from amplifying using two-stage：Operation amplifier module is connected with
Pt100 temperature sensors, the access very simple of sensor ,+5V feeder ears can be by Pt100 temperature sensors by R5, R6
Circuit is accessed, operation amplifier module is connected with differential capacitance C10, C13, and operation amplifier module is connected with U2B operational amplifiers, its
The pin 5 of middle U2B is connected with divider resistance R5, R6, and the pin 6 of U2B, pin 7 are connected with differential capacitance C11, while U2B's draws
Be also associated with divider resistance R7, R8, R9, R10 between pin 6, pin 7, U2B operational amplifiers be also associated with divider resistance R13 and
Zero-regulator resistor R14 constitutes preamplifying circuit；Operation amplifier module is connected with U2A operational amplifiers, and the pin 3 of wherein U2A connects
The pin 2 for being connected to divider resistance R11, R12 and differential capacitance C14, U2A is connected with divider resistance R14, the pin 1 of U2A and pin
Differential capacitance C12 and resistance R15 is connected between 2, this connection can effectively stablize quiescent point, to amplify differential mode letter
Number suppression common mode signal, is usually used in the input stage of measuring circuit, and the pin 1 of U2A draws A/D pins, A/ by connection resistance R16
D pins are connected with the pin 17 of data processing module U1, will be adopted by the A/D converter of STM32F103RBT6 chip internals
The temperature analog signal of collection is converted to data signal and is processed.
Display module：As shown in figure 3, display module is connected with quaternity charactron, display module is connected with triode
Q1, Q2, Q3, Q4, drive quaternity charactron for increasing driving current, a of quaternity charactron, b, c, d, e, f,
G pins are connected to current-limiting resistance R18, R19, R20, R21, R22, R23, R24, and the other end of current-limiting resistance is connected to 7447
The pin 14,13,12,11,10,9,8 of decoding module U3, the pin 1,2,3,4 of decoding module U3 is respectively with main control module U1's
Pin 8,9,10,11 is connected, and using 7447 decoders substantial amounts of I/O mouths can be saved, and power consumption is lower, pull-up resistor
One end of R25, R26, R27, R28 respectively at being connected with the base stage of triode Q1, Q2, Q3, Q4, the other end respectively with data at
The pin 12,13,14,15 of reason module U1 is connected.
Serial port module：As shown in figure 4, serial port module is mainly made up of U4 MAX232 chips and its external circuit, serial ports mould
Block is connected with C15, C16, C17, C18 and 1,2,3,4,5,6 pins constitute charge pump circuit, and function is to produce+12V and -12V two
Individual power supply, there is provided to the needs of RS232 serial ports level, 11,12,13,14 pins are the first data channel, and 7,8,9,10 pins are
Second data channel, 7,8 pins are connected as the transmitting-receiving pin of host computer with 2,3 pins of J1, realize host computer and U4 it
Between data communication, 28,29 pins of 9,10 pins respectively with main control module U1 are connected and realize between main control module and U4
Data communication.
Power supply of the power module for needed for other units are provided, on the premise of electrical equipment normal work is not affected, choosing
With built-in AC ~ DC 5V power transfer modules, terminal part chip power requires to be 3.3V, so using integrated DC5V ~ DC3.3V
Conversion chip NCP1117, is to ensure to be independent of each other between 5V power supplys and 3.3V, and 5V insulating power supply modules are added before NCP1117
IF0505S-W75。
Human-computer interaction interface is sent to control system by instruction is tested, after receiving test instruction, by man-machine interaction circle
Face gives system one design temperature, and system is sent out by comparing the size of design temperature and Current Temperatures by serial port module
Order lose one's life to heater or cooler, realizes under high temperature or low temperature environment to the detection of Pt100 temperature sensor service behaviours.
Specific workflow of the present utility model：After system electrification, main control module can initialize each ancillary equipment, so
Host computer is waited to send test command afterwards, after test command is received, system starts the temperature resistance to Pt100 temperature sensors
Can be tested.First Pt100 temperature sensors detect Current Temperatures by temperature collect module, and main control module is to temperature data
After being processed, Current Temperatures are shown by display module；Then host computer sets a target temperature, by comparing
Current Temperatures carry out corresponding operation with the size of target temperature：If Current Temperatures are more than target temperature, main control module leads to
Crossing serial port module and sending order to heater carries out heating operation, otherwise main control module sends life to cooler by serial port module
Order carries out cooling down operation, because the detectable temperature ranges of Pt100 are -200 DEG C～+850 DEG C, so the setting of target temperature must
Must be in the range of this, design temperature is preferably under high temperature or cryogenic conditions；When heater or cooler have reached setting temperature
After degree, corresponding operation terminates, and Pt100 thermometric and shows that again observation is through being heated or cooled behaviour by display module
Whether Pt100 temperature sensors are correctly detecting the temperature of setting after work, if the temperature for showing is inconsistent with design temperature,
Error information is then sent, shows that the heat-resisting property of this time Pt100 temperature sensors of detection is bad, and terminate this time to test；Such as
Fruit is consistent with design temperature, then this test terminates, and waits host computer to send test command again.
Claims (1)
- It is 1. a kind of to detect rail vehicle Pt100 temperature sensor heat-resisting property control systems, it is characterised in that：It is by Pt100 temperature Degree sensor and temperature collect module, main control module, display module, serial port module composition；Main control module circuit adopts STM32F103RBT6 chips：30 pin of main control module U1 are connected with switch S1, electric capacity C1, electricity The reset circuit of resistance R1 compositions, power supply BT1, diode D1, diode D2, crystal oscillator Y1 composition power-down protection circuits, main control module 1, the 2 pin connecting resistance R2 of U1, crystal oscillator Y2, electric capacity C2, the oscillating circuit of electric capacity C3 compositions, 4,5 pin of main control module U1 connect electric capacity C4, electric capacity C5, the filter circuit of inductance L1 compositions, 6,7 pins of main control module U1 are connected composition decoupling circuit with electric capacity C6, 22,23 pins of main control module U1 are connected composition decoupling circuit, 20,21 pins of main control module U1 and electric capacity C8 with electric capacity C7 Be connected composition decoupling circuit, and 19,20 pins of main control module U1 are connected composition decoupling circuit with electric capacity C9, main control module U1 24,27 pins be connected from resistance R3, resistance R4 and contact pin BOOT for three kinds of different Starting mode for selecting STM32, send out Optical diode LED1 and LED2 and current-limiting resistance R29, R30 composition are used to refer to serial data and receive and dispatch and be connected to main control module 28,29 pin of U1；Temperature collect module：Temperature collection circuit is made up of Pt100 temperature sensors and operational amplification circuit, wherein operation amplifier Circuit adopts low-power integrated operational amplifier TL062, in order to prevent the too high nonlinearity erron for bringing of single-stage multiplication factor, puts Big circuit is amplified using two-stage：Operational amplification circuit is connected with temperature sensor Pt100, differential capacitance C10, differential capacitance C13, Operation amplifier module is connected with operational amplifier U2B, and the wherein pin 5 of operational amplifier U2B connects with divider resistance R5, resistance R6 Connect, the pin 6 of U2B, pin 7 are connected with differential capacitance C11, while being also associated with divider resistance between the pin 6 of U2B, pin 7 R7, R8, R9, R10, operational amplifier U2B operational amplifiers are also associated with divider resistance R13 and zero-regulator resistor R14 and constitute prime Amplifying circuit；Operational amplification circuit is connected with operational amplifier U2A, and the wherein pin 3 of operational amplifier U2A is connected with partial pressure electricity Resistance R11, resistance R12 and differential capacitance C14, the pin 2 of operational amplifier U2A is connected with divider resistance R14, operational amplifier Differential capacitance C12 and resistance R15 is connected between the pin 1 and pin 2 of U2A, the pin 1 of operational amplifier U2A is connected with electricity Resistance R16 draws A/D pins, and A/D pins are connected with the pin 17 of main control module U1；Display module：Display module is connected with quaternity charactron, display module be connected with triode Q1, triode Q2, three Pole pipe Q3, triode Q4, drive quaternity charactron for increasing driving current, a of quaternity charactron, b, c, d, E, f, g pin is connected to current-limiting resistance R18, current-limiting resistance R19, current-limiting resistance R20, current-limiting resistance R21, current-limiting resistance R22, current-limiting resistance R23, current-limiting resistance R24, the other end of current-limiting resistance be connected to the pin 14 of 7447 decoding module U3,13, The pin 1,2,3,4 of the 12nd, 11,10,9,8, decoding module U3 is connected respectively with the pin 8,9,10,11 of main control module U1, on Pull-up resistor R25, pull-up resistor R26, pull-up resistor R27, pull-up resistor R28 one end respectively at triode Q1, triode Q2, Triode Q3, the base stage of triode Q4 are connected, and the other end is connected respectively with the pin 12,13,14,15 of main control module U1；Serial port module：Serial port module is mainly made up of U4 MAX232 chips and its external circuit, and serial port module is connected with electric capacity C15, electric capacity C16, electric capacity C17, the pin of electric capacity C18 and 1,2,3,4,5,6 constitute charge pump circuit, and 7,8 pins are used as host computer Transmitting-receiving pin be connected with 2,3 pins of J1,9,10 pins as the second data channel respectively with main control module U1 28,29 Pin is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453239.9U CN206161196U (en) | 2016-05-18 | 2016-05-18 | It can control system to detect anti warm nature of rail vehicle pt100 temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453239.9U CN206161196U (en) | 2016-05-18 | 2016-05-18 | It can control system to detect anti warm nature of rail vehicle pt100 temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161196U true CN206161196U (en) | 2017-05-10 |
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ID=58646312
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620453239.9U Expired - Fee Related CN206161196U (en) | 2016-05-18 | 2016-05-18 | It can control system to detect anti warm nature of rail vehicle pt100 temperature sensor |
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| Country | Link |
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| CN (1) | CN206161196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884095A (en) * | 2017-11-09 | 2018-04-06 | 无锡华润矽科微电子有限公司 | Auto-calibration circuits structure and automatic calibrating method in temperature measuring equipment |
| CN110231108A (en) * | 2018-03-05 | 2019-09-13 | 联合汽车电子有限公司 | The caliberating device and scaling method of temperature sensor |
-
2016
- 2016-05-18 CN CN201620453239.9U patent/CN206161196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884095A (en) * | 2017-11-09 | 2018-04-06 | 无锡华润矽科微电子有限公司 | Auto-calibration circuits structure and automatic calibrating method in temperature measuring equipment |
| CN110231108A (en) * | 2018-03-05 | 2019-09-13 | 联合汽车电子有限公司 | The caliberating device and scaling method of temperature sensor |
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