CN110395291A - Light rail Axle Temperature Warning System - Google Patents
Light rail Axle Temperature Warning System Download PDFInfo
- Publication number
- CN110395291A CN110395291A CN201910684594.5A CN201910684594A CN110395291A CN 110395291 A CN110395291 A CN 110395291A CN 201910684594 A CN201910684594 A CN 201910684594A CN 110395291 A CN110395291 A CN 110395291A
- Authority
- CN
- China
- Prior art keywords
- connection
- chip microcontroller
- resistance
- chip
- capacitor
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/04—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault
- B61K9/06—Detectors for indicating the overheating of axle bearings and the like, e.g. associated with the brake system for applying the brakes in case of a fault by detecting or indicating heat radiation from overheated axles
Abstract
Light rail Axle Temperature Warning System.The present invention relates to a kind of light rail Axle Temperature Warning Systems.Single-chip microcontroller U1 receives the signal of system monitor phone, key-press input and A/D conversion, and the A/D conversion receives the signal of temperature sensor mirror amplifying circuit amplification, and the single-chip microcontroller U1 transmits signal to LCD reality and warning circuit.The present invention is based on the passenger train axle temperature annunciators of AT89C51 single-chip microcontroller, strengthen the anti-interference ability design of circuit in circuit, so that whole system more secure and reliable, therefore there is very strong practical value.
Description
Technical field
The present invention relates to a kind of light rail Axle Temperature Warning Systems.
Background technique
At the scene in practical application, due to axle temperature annunciator shaft temperature sensor switching, axle position conversion and display and
The functions such as bearing temperature alarm circuit are completed by multiple IC chips, and circuit is complicated, higher cost.And axle temperature annunciator passes through
Often more in vibrational state, external electromagnetic field interference, application environment is severe, and axis temperature easily occurs in use and shows unstable, nothing
The failures such as axis temperature is shown, inspection is abnormal, does not alarm.
Summary of the invention
The object of the present invention is to provide a kind of light rail Axle Temperature Warning System, the passenger train axis based on AT89C51 single-chip microcontroller
Warm alarm strengthens the anti-interference ability design of circuit in circuit, so that whole system more secure and reliable, therefore have very
Strong practical value.
Above-mentioned purpose is realized by following technical scheme:
A kind of light rail Axle Temperature Warning System, single-chip microcontroller U1 receive the signal of system monitor phone, key-press input and A/D conversion, institute
The A/D stated converts the signal for receiving the amplification of temperature sensor mirror amplifying circuit, and the single-chip microcontroller U1 is electric to LCD reality and alarm
Transmit signal in road.
Further, one end of No. 9 end connection key switch S1, one end of resistance R1 of the single-chip microcontroller U1 and chip
No. 7 of U2 are held, and meet operating voltage VCC again after the other end of the other end connection resistance R1 of the key switch S1, described
One end of No. 18 end connection capacitor C1 of single-chip microcontroller U1 and one end of crystal oscillator Y1, No. 19 ends of the single-chip microcontroller U1 connect capacitor
The other end of one end of C2 and crystal oscillator Y1 is grounded after the other end of the other end connection capacitor C2 of the capacitor C1,
No. 3 ends of No. 6 end connection single-chip microcontroller U1 of the chip U2, the 2 of No. 5 end connection single-chip microcontroller U1 of the chip U2
Number end, No. 1 end of No. 1 of chip U2 end connection single-chip microcontroller U1, No. 2 end connection single-chip microcontroller U1's of the chip U2
No. 4 ends, No. 8 ends of the chip U2 connect operating voltage VCC, one end of No. 3 end connection switch S2 of the chip U2
With one end of resistance R2, No. 4 ends of the other end connection chip U2 of the switch S2 and ground terminal, the resistance R2's is another
One end connects operating voltage VCC.
Further, the end D0 to D7 of the end the P0 connection 74LS373 of the single-chip microcontroller U1, the D0 of the 74LS373
To the end D0 to D7 of the end D7 connection converter ADC0816, the end Q0 of the 74LS373 connects the end A of converter ADC0816,
The end B of the end the Q1 connection converter ADC0816 of the 74LS373, the end Q2 of the 74LS373 connects converter
The C-terminal of ADC0816, the end D of the end the Q3 connection converter ADC0816 of the 74LS373,
The end G of the end the ALE connection 74LS373 of the single-chip microcontroller U1 and the end CLK of converter ADC0816, the converter
The end IN0 connection No. 3 ends of transport and placing device A of ADC0816, one end of resistance R7, one end of diode D1 and capacitor C1 one end, institute
One end of the other end connection diode D2 of the diode D1 stated, the other end connection capacitor C3's of the diode D2 is another
It is grounded behind end, one end of the other end of resistance R7 connection resistance R6, No. 1 end of transport and placing device A, one end of capacitor C4 and steady
One end of diode D3, the sliding third end for becoming device R48 of other end connection of the capacitor C4 are pressed, described sliding becomes device R48's
One end connects the other end of resistance R6, and the sliding other end for becoming device R48 connects one end of resistance R5, the resistance R5's
The other end connects one end of resistance R4 and the other end of zener diode D3, the other end connection work electricity of the resistance R4
Pressure -5V.
Further, the end SID of the end the P16 connection LCD MODULE of the single-chip microcontroller U1, the single-chip microcontroller U1
The end P17 connection LCD MODULE the end SCLK, connect work again after the vdd terminal of the LCD MODULE is in parallel with the end CS
Voltage+5V meets operating voltage+5V after the end LEDK of the LCD MODULE is in parallel with the end PSB again.
The utility model has the advantages that
1. of the invention add power-supply filter in power input；Host machine part is using 2. of the invention 78 and 79 serial pressure stabilizings
Block；Peripheral circuit uses individual power supply power supply；In the power supply of the integrated chips such as ADC0816,8255,8051 and the span of ground wire
Filter capacitor is connect, is hardware of anti-interference measures.
3. the present invention will receive the interference of external electromagnetic field when being transferred on vehicle under vehicle in view of temperature signal, so adopting
Use Double-strand transmission.
4. the anti-interference ability of the invention to improve control system, using controller housing as Shielding Case grounding.
Detailed description of the invention
Attached drawing 1 is structural schematic diagram of the invention.
Attached drawing 2 is system monitoring circuit diagram of the invention.
Attached drawing 3 is sensor of the invention and A/D conversion circuit figure.
Attached drawing 4 is display circuit figure of the invention.
Specific embodiment
A kind of light rail Axle Temperature Warning System, single-chip microcontroller U1 receive the letter of system monitor phone, key-press input and A/D conversion
Number, the described A/D conversion receives the signal of temperature sensor mirror amplifying circuit amplification, the single-chip microcontroller U1 to LCD reality with
Warning circuit transmits signal.
Further, one end of No. 9 end connection key switch S1, one end of resistance R1 of the single-chip microcontroller U1 and chip
No. 7 of U2 are held, and meet operating voltage VCC again after the other end of the other end connection resistance R1 of the key switch S1, described
One end of No. 18 end connection capacitor C1 of single-chip microcontroller U1 and one end of crystal oscillator Y1, No. 19 ends of the single-chip microcontroller U1 connect capacitor
The other end of one end of C2 and crystal oscillator Y1 is grounded after the other end of the other end connection capacitor C2 of the capacitor C1,
No. 3 ends of No. 6 end connection single-chip microcontroller U1 of the chip U2, the 2 of No. 5 end connection single-chip microcontroller U1 of the chip U2
Number end, No. 1 end of No. 1 of chip U2 end connection single-chip microcontroller U1, No. 2 end connection single-chip microcontroller U1's of the chip U2
No. 4 ends, No. 8 ends of the chip U2 connect operating voltage VCC, one end of No. 3 end connection switch S2 of the chip U2
With one end of resistance R2, No. 4 ends of the other end connection chip U2 of the switch S2 and ground terminal, the resistance R2's is another
One end connects operating voltage VCC.
The X5045 chip of u s company's production, which has the function of electrification reset and low voltage test, using in chip
WatchDog Timer, prevent program fleet, it is ensured that the reliability of system.
Further, the end D0 to D7 of the end the P0 connection 74LS373 of the single-chip microcontroller U1, the D0 of the 74LS373
To the end D0 to D7 of the end D7 connection converter ADC0816, the end Q0 of the 74LS373 connects the end A of converter ADC0816,
The end B of the end the Q1 connection converter ADC0816 of the 74LS373, the end Q2 of the 74LS373 connects converter
The C-terminal of ADC0816, the end D of the end the Q3 connection converter ADC0816 of the 74LS373,
The end G of the end the ALE connection 74LS373 of the single-chip microcontroller U1 and the end CLK of converter ADC0816, the converter
The end IN0 connection No. 3 ends of transport and placing device A of ADC0816, one end of resistance R7, one end of diode D1 and capacitor C1 one end, institute
One end of the other end connection diode D2 of the diode D1 stated, the other end connection capacitor C3's of the diode D2 is another
It is grounded behind end, one end of the other end of resistance R7 connection resistance R6, No. 1 end of transport and placing device A, one end of capacitor C4 and steady
One end of diode D3, the sliding third end for becoming device R48 of other end connection of the capacitor C4 are pressed, described sliding becomes device R48's
One end connects the other end of resistance R6, and the sliding other end for becoming device R48 connects one end of resistance R5, the resistance R5's
The other end connects one end of resistance R4 and the other end of zener diode D3, the other end connection work electricity of the resistance R4
Pressure -5V.
Shaft temperature sensor has series connection the PN junction D1 and D2 of middle resistance value, every 1 DEG C of the variation of axis temperature, change in resistance using 2
14.51Ω.The constant-current circuit being made of voltage-stabiliser tube D3 guarantees that the electric current passed through on 2 PN junctions is 300 μ A, i.e. the every variation 1 of axis temperature
DEG C, the voltage of 4.36 mV is generated on 2 PN junctions.Sensor and A/D conversion circuit are shown in Fig. 3.Converter ADC0816 is gradually to compare
Compared with type, 16 channels, 8 A/D converters, warm signal is after A/D is converted into digital signal outside 8 road axis temperature, 1 tunnel, as a result by Po mouthfuls
Single-chip microcontroller is sent to handle.
Further, the end SID of the end the P16 connection LCD MODULE of the single-chip microcontroller U1, the single-chip microcontroller U1
The end P17 connection LCD MODULE the end SCLK, connect work again after the vdd terminal of the LCD MODULE is in parallel with the end CS
Voltage+5V meets operating voltage+5V after the end LEDK of the LCD MODULE is in parallel with the end PSB again.
Display has used the LCD MODULE OCMJ4XC8 containing Chinese word library with serial/parallel interface and inside, sees
Fig. 4.Control/driver of the module uses the ST7920 of certain electronics corporation, so that the module has stronger control aobvious
Show function.The interface between LCD MODULE and single-chip microcontroller is realized using the two-wire serial interface mode of OCM4X8C.It can be achieved
Successively display to each axle position and ambient temperature.
Alarm signal is exported by P1.7, after amplifying circuit amplifies, drives loudspeaker and LED operation.When alarm,
Sound-light alarm is persistently carried out, axle position, which is shown, to be rested in overtemperature axle position, until the axle position temperature is lower than 90 DEG C or not higher than the external world
It is the prior art until at 40 DEG C of environment temperature.
Key-press input: using free-standing press-key structure, mono- S5 of S3 is respectively defined as tracking, manual by P1 mouthful low 3 inputs
Display, outer temperature are shown.Switch S3 selection fixed point, which compares or tracks, to be compared, and when key is not pressed, is compared using fixed point, is converted
Axis temperature signal afterwards is higher than 90 DEG C and calls alert program；When pressing key pressing, compared using tracking, when axis temperature compares external environment
Alert program is called when temperature is 40 DEG C high.
When needing the temperature of a certain axle position of manual observation, hand push button S4 may be selected.S4 is often pressed next time, counter R0
Add 1 once, axle position is shown into one, stops about 2 min of button press, and alarm is restored to automatic surveying state.It is outer when pressing
When warm button S5, temperature indicator can show vehicle external environment temperature.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the essential scope of the present invention also should belong to of the invention
Protection scope.
Claims (4)
1. a kind of light rail Axle Temperature Warning System turns it is characterized in that: single-chip microcontroller U1 receives system monitor phone, key-press input and A/D
The signal changed, the described A/D conversion receive the signal of temperature sensor mirror amplifying circuit amplification, and the single-chip microcontroller U1 is to LCD
Reality transmits signal with warning circuit.
2. light rail Axle Temperature Warning System according to claim 1, it is characterized in that: No. 9 ends of the single-chip microcontroller U1 connect
One end of key switch S1, one end of resistance R1 and No. 7 ends of chip U2, the other end of the key switch S1 connect resistance
Operating voltage VCC is met after the other end of R1 again, one end of No. 18 end connection capacitor C1 of the single-chip microcontroller U1 is with crystal oscillator Y1's
One end, one end of No. 19 end connection capacitor C2 of the single-chip microcontroller U1 and the other end of crystal oscillator Y1, the capacitor C1's is another
It is grounded after the other end of one end connection capacitor C2,
No. 3 ends of No. 6 end connection single-chip microcontroller U1 of the chip U2, the 2 of No. 5 end connection single-chip microcontroller U1 of the chip U2
Number end, No. 1 end of No. 1 of chip U2 end connection single-chip microcontroller U1, No. 2 end connection single-chip microcontroller U1's of the chip U2
No. 4 ends, No. 8 ends of the chip U2 connect operating voltage VCC, one end of No. 3 end connection switch S2 of the chip U2
With one end of resistance R2, No. 4 ends of the other end connection chip U2 of the switch S2 and ground terminal, the resistance R2's is another
One end connects operating voltage VCC.
3. light rail Axle Temperature Warning System according to claim 1 or 2, it is characterized in that: the end P0 of the single-chip microcontroller U1 connects
The end D0 to D7 of 74LS373 is connect, the end D0 to D7 of the end D0 to the D7 connection converter ADC0816 of the 74LS373 is described
The end A of the end the Q0 connection converter ADC0816 of 74LS373, the B of the end the Q1 connection converter ADC0816 of the 74LS373
End, the C-terminal of the end the Q2 connection converter ADC0816 of the 74LS373, the end Q3 of the 74LS373 connects converter
The end D of ADC0816,
The end G of the end the ALE connection 74LS373 of the single-chip microcontroller U1 and the end CLK of converter ADC0816, the converter
The end IN0 connection No. 3 ends of transport and placing device A of ADC0816, one end of resistance R7, one end of diode D1 and capacitor C1 one end, institute
One end of the other end connection diode D2 of the diode D1 stated, the other end connection capacitor C3's of the diode D2 is another
It is grounded behind end, one end of the other end of resistance R7 connection resistance R6, No. 1 end of transport and placing device A, one end of capacitor C4 and steady
One end of diode D3, the sliding third end for becoming device R48 of other end connection of the capacitor C4 are pressed, described sliding becomes device R48's
One end connects the other end of resistance R6, and the sliding other end for becoming device R48 connects one end of resistance R5, the resistance R5's
The other end connects one end of resistance R4 and the other end of zener diode D3, the other end connection work electricity of the resistance R4
Pressure -5V.
4. light rail Axle Temperature Warning System according to claim 1, it is characterized in that: the end P16 of the single-chip microcontroller U1 connects
The end SID of LCD MODULE, the end SCLK of the end the P17 connection LCD MODULE of the single-chip microcontroller U1, the liquid crystal
Operating voltage+5V, the end LEDK and the end PSB of the LCD MODULE are connect after the vdd terminal of display module is in parallel with the end CS again
Operating voltage+5V is met after parallel connection again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684594.5A CN110395291A (en) | 2019-07-27 | 2019-07-27 | Light rail Axle Temperature Warning System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910684594.5A CN110395291A (en) | 2019-07-27 | 2019-07-27 | Light rail Axle Temperature Warning System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110395291A true CN110395291A (en) | 2019-11-01 |
Family
ID=68325153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910684594.5A Pending CN110395291A (en) | 2019-07-27 | 2019-07-27 | Light rail Axle Temperature Warning System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110395291A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812343A (en) * | 1973-08-27 | 1974-05-21 | Servo Corp | Roller bearing discriminator for a railroad hot box detector system |
| DE2509184C2 (en) * | 1974-03-06 | 1987-02-26 | Servo Corporation Of America, Hicksville, N.Y., Us | |
| CN87208741U (en) * | 1987-05-29 | 1988-09-14 | 王智强 | Axial temp. alarm |
| CN202243540U (en) * | 2011-09-14 | 2012-05-30 | 南京紫台星河电子有限责任公司 | Control circuit for alarm output of shaft temperature detection of trains |
| CN103837236A (en) * | 2012-11-24 | 2014-06-04 | 哈尔滨市三和佳美科技发展有限公司 | Intelligent train bearing cap |
| CN204236495U (en) * | 2014-10-14 | 2015-04-01 | 中州大学 | A kind of noise reduction system of shaft temperature detector |
| KR20160102702A (en) * | 2015-02-23 | 2016-08-31 | 한국철도공사 | Motor fault monitor system for HBD drive motor |
| CN206781778U (en) * | 2017-03-27 | 2017-12-22 | 杭州电子科技大学 | A kind of Locomotive axle temperature detects warning device circuit |
-
2019
- 2019-07-27 CN CN201910684594.5A patent/CN110395291A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812343A (en) * | 1973-08-27 | 1974-05-21 | Servo Corp | Roller bearing discriminator for a railroad hot box detector system |
| DE2509184C2 (en) * | 1974-03-06 | 1987-02-26 | Servo Corporation Of America, Hicksville, N.Y., Us | |
| CN87208741U (en) * | 1987-05-29 | 1988-09-14 | 王智强 | Axial temp. alarm |
| CN202243540U (en) * | 2011-09-14 | 2012-05-30 | 南京紫台星河电子有限责任公司 | Control circuit for alarm output of shaft temperature detection of trains |
| CN103837236A (en) * | 2012-11-24 | 2014-06-04 | 哈尔滨市三和佳美科技发展有限公司 | Intelligent train bearing cap |
| CN204236495U (en) * | 2014-10-14 | 2015-04-01 | 中州大学 | A kind of noise reduction system of shaft temperature detector |
| KR20160102702A (en) * | 2015-02-23 | 2016-08-31 | 한국철도공사 | Motor fault monitor system for HBD drive motor |
| CN206781778U (en) * | 2017-03-27 | 2017-12-22 | 杭州电子科技大学 | A kind of Locomotive axle temperature detects warning device circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104458047A (en) | Temperature sensor insertion state detecting circuit and temperature detecting circuit | |
| CN204631123U (en) | A kind of three phase electronic multifunctional electric energy meter | |
| US9619677B2 (en) | Communication method for the purpose of configuration and/or interrogation, and system using same | |
| CN110395291A (en) | Light rail Axle Temperature Warning System | |
| CN203658883U (en) | Temperature and humidity monitoring system for power battery pack of electric vehicle | |
| CN206788142U (en) | A kind of wireless gas detecting system | |
| CN203177989U (en) | Multi-channel temperature acquisition system based on temperature detection circuit | |
| CN103424148A (en) | Vehicle and on-line monitoring system of electric fan for vehicle | |
| CN203100774U (en) | Bluetooth hygrothermograph | |
| CN205280816U (en) | Multifunctional electronic electric energy meter | |
| CN204407945U (en) | Charger for mobile phone | |
| CN203552374U (en) | Acousto-optic alarm device for serially connecting two-wire current loop 4-20MA | |
| CN207570675U (en) | A kind of test equipment for integrated circuit | |
| CN103462315A (en) | Intelligent crutch | |
| CN203773708U (en) | Vibration signal alarm transmitter | |
| CN214751448U (en) | Synchronous acquisition intelligent pressure transmitter based on satellite time service | |
| CN217160025U (en) | Bluetooth positioning system of vehicle-mounted equipment | |
| WO2013143461A1 (en) | An all-in-one wireless weighing module | |
| CN205450058U (en) | Wireless output measurement cabinet | |
| CN215956574U (en) | Gas data teletransmission circuit | |
| CN218271078U (en) | Temperature measurement circuit, equipment and system | |
| CN214474572U (en) | Intelligent management and control circuit for unattended field operation of transformer substation | |
| CN210347910U (en) | Networking type improved circuit of electronic electric energy meter | |
| CN210804665U (en) | Door magnetic synchronizer | |
| CN203070495U (en) | OLED display gas alarm detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191101 |