CN106741002B - A kind of dedicated fire-fighting monitoring system of locomotive - Google Patents
A kind of dedicated fire-fighting monitoring system of locomotive Download PDFInfo
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- CN106741002B CN106741002B CN201611081926.3A CN201611081926A CN106741002B CN 106741002 B CN106741002 B CN 106741002B CN 201611081926 A CN201611081926 A CN 201611081926A CN 106741002 B CN106741002 B CN 106741002B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning, or like safety means along the route or between vehicles or vehicle trains
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
Abstract
The present invention relates to a kind of dedicated fire-fightings of locomotive to monitor system, including control unit, fire-fighting monitoring sensor, network interface and power supply unit；Wherein control unit is connect with network interface, fire-fighting monitoring sensor, and power supply unit is powered to control unit.
Description
Technical field
The present invention relates to fire-fightings to monitor field, monitors system more particularly, to a kind of dedicated fire-fighting of locomotive.
Background technique
Diesel locomotive, electric locomotive as railway transportation main force locomotive, since its inner space is narrow, temperature when driving
Height, noise are big, if not monitoring in real time or being not good to fire detection products use, cannot ensure it before and after fire occurs
It can timely notify crew, there is very serious fire hazard.The characteristics of for intra-locomotive construction, help unit people
Member and floor control department monitor operation conditions in locomotive in real time and have become the task of top priority.Therefore it is highly desirable in locomotive
It is equipped with scientific, effectively stable fire-fighting on and monitors system.
Summary of the invention
The present invention is to solve the problems, such as the above prior art, provides a kind of dedicated fire-fighting monitoring system of locomotive, this is
System can monitor in real time the fire condition in locomotive, and the data specifically monitored are carried out by network interface
It passes.
To realize the above goal of the invention, the technical solution adopted is that:
A kind of dedicated fire-fighting monitoring system of locomotive, including control unit, fire-fighting monitoring sensor, network interface and power supply
Unit；Wherein control unit is connect with network interface, fire-fighting monitoring sensor, and power supply unit is powered to control unit.
In above scheme, fire-fighting monitoring sensor is used for the fire-fighting data of harvester car and fire-fighting data is transmitted to control
Unit processed, control unit receive data after data through network interface transfers to monitoring center, understand scene for technical staff
Particular situation.
Preferably, the quantity of the fire-fighting monitoring sensor of the monitoring system setting is multiple.It is more by reasonably configuring
A fire-fighting monitors sensor, so as to adequately be monitored to the fire condition in locomotive.
Preferably, fire-fighting monitoring sensor be spot-type photoelectric smoke detector, point type heat fire detector,
It is one or more in point-type combined type smoke-temperature sensing fire detector.
Preferably, the fire-fighting monitoring system further includes having storage unit, and storage unit is connect with control unit, power supply list
Member is powered to storage unit.Storage unit is used for the received fire-fighting data of storage control unit.
Preferably, fire-fighting monitoring system further includes having display unit and push-button unit, display unit, push-button unit with
Control unit connection；Power supply unit is powered to display unit, push-button unit.Display unit disappears for display control unit to be received
Anti- data, and push-button unit is for transferring the fire-fighting data in storage unit for user's operation and being shown by display unit
Show.
Preferably, the circuit observation circuit includes resistance 1R16, resistance 1R17, resistance 1R18, resistance 1R19, resistance
1R20, resistance 1R21, resistance 1R22, resistance 1R23, resistance 1R24, resistance 1R25, resistance 1R26, resistance 1R27, resistance 1R28,
Resistance 3R19, resistance 3R18, capacitor 1C5, capacitor 1C6, capacitor 1C7, capacitor 1C8, capacitor 3C8, triode 1V7, triode
1V8, triode 1V9, triode 1V11, triode 1V12, diode 1V4, diode 1V5, zener diode 1V6, diode
1V10, diode 1V13, diode 1V14, diode 3ZD5, protective tube 1F1, comparator 1D3A, comparator 1D3B, comparator
1D3C, 74HC132 chip 1D4A and 74HC132 chip 1D4B；
Wherein the end BUS5V of control unit is connect by resistance 1R18 with the base stage of triode 1V7, the collection of triode 1V7
Electrode is connect with the anode of zener diode 1V6, and the cathode of zener diode 1V6 is connect with the collector of triode 1V11, and three
The emitter grounding of pole pipe 1V7, triode 1V11, the base stage of triode 1V11 pass through the end BUS0V of resistance 1R20 and control unit
Connection；One end of the capacitor 1C5 is grounded, and the other end passes sequentially through resistance 1R17, resistance 1R16 is connect with power supply unit；Capacitor
The other end of 1C5 is connect with the base stage of triode 1V8, the base stage of triode 1V8 and anode, the triode 1V9 of diode 1V4
Collector connection；The cathode of diode 1V4 is connect by protective tube 1F1 with the cathode of zener diode 1V6；Triode 1V8
Collector connect with power supply unit；The emitter-base bandgap grading of triode 1V8 is connect with the base stage of triode 1V9, and the emitter-base bandgap grading of triode 1V8 is logical
It crosses resistance 1R19 to connect with the anode of diode 1V5, the emitter-base bandgap grading of triode 1V9 is connect with the anode of diode 1V5, diode
The cathode of 1V5 is connect with the cathode of diode 1V4；The base stage of triode 1V12 is connect with the anode of diode 1V10, diode
The cathode of 1V10 is connect with the collector of triode 1V11；The base stage of triode 1V12 passes through resistance 1R21's and comparator 1D3B
Inverting input terminal connection；The collector of the triode 1V12 passes through resistance 1R22 respectively, capacitor 1C6 is connect with power supply unit；
The collector of triode 1V12 is connect with the reverse input end of the normal phase input end of comparator 1D3B, comparator 1D3A；Described three
The emitter-base bandgap grading of pole pipe 1V12 passes through resistance 1R23, capacitor 1C7 ground connection respectively, and the emitter-base bandgap grading of the triode 1V12 is with diode 1V5's
Anode connection；The emitter-base bandgap grading of the triode 1V12 is connect with the cathode of diode 1V13, the plus earth of diode 1V13；
The anode of the diode 1V5 is connect with fire-fighting monitoring sensor；The inverting input terminal of the comparator 1D3B passes through resistance
The inverting input terminal of 1R26 ground connection, the comparator 1D3B is connect by resistance 1R25 with the normal phase input end of comparator 1D3A,
The normal phase input end of comparator 1D3A is connect by resistance 1R24 with power supply unit, and the inverting input terminal of comparator 1D3B passes through electricity
Hold 1C8 to connect with power supply unit；The anode of diode 1V14 is connect with the inverting input terminal of comparator 1D3B, diode 1V14's
Cathode connects power supply unit；The output end of comparator 1D3A is connect with the input terminal one of 74HC132 chip 1D4A, 74HC132 chip
The input terminal two of 1D4A is connect with the end BUS5V of control unit；The output end and 74HC132 chip of 74HC132 chip 1D4A
The input terminal one of 1D4B connects, and the input terminal two of 74HC132 chip 1D4B connects power supply unit, the output of 74HC132 chip 1D4B
Terminate the end BUSACK of control unit；The output end of comparator 1D3B and the end BUSCHECK of control unit connect, control unit
The end BUSCHECK connect with power supply unit by resistance 1R28, power supply unit passes through the output of resistance 1R27 and comparator 1D3A
End connection；The normal phase input end of the comparator 1D3C is grounded by resistance 3R19, and the normal phase input end of comparator 1D3C passes through
Capacitor 3C8 is connect with power supply unit, and the anode of diode 3ZD5 is connect with the normal phase input end of comparator 1D3C, diode 3ZD5
Cathode connect with power supply unit；The inverting input terminal of comparator 1D3C is connect with the collector of diode 1V12；Comparator
The output end of 1D3C and the end BUSOVER of control unit connect, and the end BUSOVER of control unit passes through resistance 3R18 and power supply list
Member connection.
In above scheme, control unit issues the address code for needing inspection, corresponding fire-fighting by BUS5V, BUS0V pin
Monitoring sensor receives the state of itself after inspection signal back to the end ZX+1, and then control unit carries out sentencing for state
It is disconnected: if BUSACK pin is low level, to judge that the monitoring sensor of fire-fighting thus is offline；If BUSCHECK pin is low level
It is judged as that fire-fighting monitors short circuit sensor；If BUSOVER pin be low level, be judged as fire-fighting monitoring sensor repeated code (or
Person's address conflict).
Preferably, the power supply unit includes AC/DC input adapter 3X1, standby electric input adapter 3X2, protective tube 3F1, protects
Dangerous pipe 3F2, charging capacitor 3C1, two-way Transient Suppression Diode 3Z1, common cathode Schottky barrier diodes half-bridge 3V4, resistance
3R1, resistance 3R2, resistance 3R3, resistance 3R4, resistance 3R5, resistance 3R6, resistance 3R7, resistance 3R8, resistance 3R9, resistance 3R10,
Resistance 3R11, resistance 3R12, resistance 3R13, resistance 3R14, resistance 3R15, resistance 3R16, diode 3V1, standby eletric starter button
3S1, triode 3V2, triode 3V3, triode 3V5, relay 2K1 and power management chip；
Wherein the 1st end, the 2nd end, the 3rd end of AC/DC input adapter 3X1 is whole by protective tube 3F1 and common cathode Schottky
Flow the 3rd end connection of diode half-bridge 3V4, the 4th end of AC/DC input adapter 3X1, the 5th end, the 6th end ground connection；Common cathode Xiao Te
The 3rd end of base rectifier diode half-bridge 3V4 passes through capacitor 3C1, two-way Transient Suppression Diode 3Z1 ground connection respectively；Common cathode Xiao
The 3rd end of special base rectifier diode half-bridge 3V4 passes sequentially through resistance 3R2, resistance 3R3 ground connection；One end of resistance 3R2, resistance 3R3
It is connect by resistance 3R4 with power management chip；The 3rd end of common cathode Schottky barrier diodes half-bridge 3V4 passes through resistance 3R1
It is connect with the anode of diode 3V1, the cathode of diode 3V1 is connect with the emitter-base bandgap grading of triode 3V2；The base stage of triode 3V2 is logical
Resistance 3R11 is crossed to connect with the collector of triode 3V3；The collector and common cathode Schottky barrier diodes half of triode 3V2
The 1st end of bridge 3V4 connects；The base stage of the emitter grounding of triode 3V3, triode 3V3 passes through resistance 3R12 and power management core
Piece connection；The 1st end of common cathode Schottky barrier diodes half-bridge 3V4 passes sequentially through resistance 3R8, resistance 3R9 ground connection, resistance
3R8, resistance 3R9 one end connect with power management chip by resistance 3R10；Common cathode Schottky barrier diodes half-bridge 3V4
The 1st end connect with the input terminal of relay 2K1, the output end of relay 2K1 is connect with the 1st end of standby electric input adapter 3X2；
The 2nd end of standby electricity input adapter 3X2 passes sequentially through resistance 3R14, resistance 3R15 ground connection, and resistance 3R14, one end of resistance 3R15 are logical
Resistance 3R16 is crossed to connect with power management chip；The input terminal of relay 2K1 passes through standby eletric starter button 3S1 and relay 2K1
Output end connection；The control terminal of relay is connect with the collector of triode 3V5, and the base stage of triode 3V5 passes through resistance
3R13 is connect with power management chip, the emitter grounding of triode 3V5；The 2 of common cathode Schottky barrier diodes half-bridge 3V4
End pass sequentially through resistance 3R5, resistance 3R6 ground connection, resistance 3R5, resistance 3R6 one end pass through resistance 3R7 and power management chip
Connection.
In the process of running, power management chip can by the detection to ACOUT_V pin and 2BATT_V pin voltage
To judge whether AC/DC input and backup power source are normal, when power management chip detects that backup power source voltage is too low, at this time
CHG pin is set high, BATT_C and is set low, and control charging circuit is opened, and AC/DC is inputted at this time charges to backup power source, when detecting
When the power-off suddenly of sufficient or AC/DC input of backup power source electricity, BATT_C sets height, disconnects charging circuit, avoids overcharging and cause electricity
Pond damage.
Preferably, the power management chip is PIC16F873A chip.
Preferably, described control unit is Cortex-M3 microcontroller.
Compared with prior art, the beneficial effects of the present invention are:
Monitor system the present invention provides a kind of dedicated fire-fighting of locomotive, the system can to the fire condition in locomotive into
Row monitoring in real time, and the data specifically monitored are uploaded by network interface.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of system.
Fig. 2 is the structural schematic diagram of circuit observation circuit.
Fig. 3 is the structural schematic diagram of network interface.
Fig. 4 is the structural schematic diagram of control unit.
Fig. 5 is the structural schematic diagram of power supply unit.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
As shown in Fig. 1 ~ 5, fire-fighting monitoring system includes control unit, fire-fighting monitoring sensor, network interface and power supply list
Member；Wherein control unit is connect with network interface, fire-fighting monitoring sensor, and power supply unit is powered to control unit.
In above scheme, fire-fighting monitoring sensor is used for the fire-fighting data of harvester car and fire-fighting data is transmitted to control
Unit processed, control unit receive data after data through network interface transfers to monitoring center, understand scene for technical staff
Particular situation.
Wherein, specific as shown in figure 3, shown network interface includes 2 RS232 communication ports and 2 RS485 communication ports
Structure it is as shown in the figure.
In the specific implementation process, the quantity of the fire-fighting monitoring sensor of the monitoring system setting is multiple.Pass through
Multiple fire-fighting monitoring sensors are configured, reasonably so as to adequately be monitored to the fire condition in locomotive.
In the specific implementation process, the fire-fighting monitoring sensor is spot-type photoelectric smoke detector, point-type sense
It is one or more in warm fire fire detector, point-type combined type smoke-temperature sensing fire detector.
In the specific implementation process, as shown in Figure 1, fire-fighting monitoring system further includes having storage unit, storage is single
Member is connect with control unit, and power supply unit is powered to storage unit.Storage unit is used for the received fire-fighting number of storage control unit
According to.
In the specific implementation process, as shown in Figure 1, fire-fighting monitoring system further includes having display unit and key list
Member, display unit, push-button unit and control unit connect；Power supply unit is powered to display unit, push-button unit.Display unit is used
In the received fire-fighting data of display control unit, and push-button unit is used to transfer the fire-fighting data in storage unit for user's operation
And it is shown by display unit.
In the specific implementation process, as shown in Fig. 2, the circuit observation circuit includes resistance 1R16, resistance 1R17, electricity
Hinder 1R18, resistance 1R19, resistance 1R20, resistance 1R21, resistance 1R22, resistance 1R23, resistance 1R24, resistance 1R25, resistance
1R26, resistance 1R27, resistance 1R28, resistance 3R19, resistance 3R18, capacitor 1C5, capacitor 1C6, capacitor 1C7, capacitor 1C8, capacitor
3C8, triode 1V7, triode 1V8, triode 1V9, triode 1V11, triode 1V12, diode 1V4, diode 1V5,
Zener diode 1V6, diode 1V10, diode 1V13, diode 1V14, diode 3ZD5, protective tube 1F1, comparator
1D3A, comparator 1D3B, comparator 1D3C, 74HC132 chip 1D4A and 74HC132 chip 1D4B；
Wherein the end BUS5V of control unit is connect by resistance 1R18 with the base stage of triode 1V7, the collection of triode 1V7
Electrode is connect with the anode of zener diode 1V6, and the cathode of zener diode 1V6 is connect with the collector of triode 1V11, and three
The emitter grounding of pole pipe 1V7, triode 1V11, the base stage of triode 1V11 pass through the end BUS0V of resistance 1R20 and control unit
Connection；One end of the capacitor 1C5 is grounded, and the other end passes sequentially through resistance 1R17, resistance 1R16 is connect with power supply unit；Capacitor
The other end of 1C5 is connect with the base stage of triode 1V8, the base stage of triode 1V8 and anode, the triode 1V9 of diode 1V4
Collector connection；The cathode of diode 1V4 is connect by protective tube 1F1 with the cathode of zener diode 1V6；Triode 1V8
Collector connect with power supply unit；The emitter-base bandgap grading of triode 1V8 is connect with the base stage of triode 1V9, and the emitter-base bandgap grading of triode 1V8 is logical
It crosses resistance 1R19 to connect with the anode of diode 1V5, the emitter-base bandgap grading of triode 1V9 is connect with the anode of diode 1V5, diode
The cathode of 1V5 is connect with the cathode of diode 1V4；The base stage of triode 1V12 is connect with the anode of diode 1V10, diode
The cathode of 1V10 is connect with the collector of triode 1V11；The base stage of triode 1V12 passes through resistance 1R21's and comparator 1D3B
Inverting input terminal connection；The collector of the triode 1V12 passes through resistance 1R22 respectively, capacitor 1C6 is connect with power supply unit；
The collector of triode 1V12 is connect with the reverse input end of the normal phase input end of comparator 1D3B, comparator 1D3A；Described three
The emitter-base bandgap grading of pole pipe 1V12 passes through resistance 1R23, capacitor 1C7 ground connection respectively, and the emitter-base bandgap grading of the triode 1V12 is with diode 1V5's
Anode connection；The emitter-base bandgap grading of the triode 1V12 is connect with the cathode of diode 1V13, the plus earth of diode 1V13；
The anode of the diode 1V5 is connect with fire-fighting monitoring sensor；The inverting input terminal of the comparator 1D3B passes through resistance
The inverting input terminal of 1R26 ground connection, the comparator 1D3B is connect by resistance 1R25 with the normal phase input end of comparator 1D3A,
The normal phase input end of comparator 1D3A is connect by resistance 1R24 with power supply unit, and the inverting input terminal of comparator 1D3B passes through electricity
Hold 1C8 to connect with power supply unit；The anode of diode 1V14 is connect with the inverting input terminal of comparator 1D3B, diode 1V14's
Cathode connects power supply unit；The output end of comparator 1D3A is connect with the input terminal one of 74HC132 chip 1D4A, 74HC132 chip
The input terminal two of 1D4A is connect with the end BUS5V of control unit；The output end and 74HC132 chip of 74HC132 chip 1D4A
The input terminal one of 1D4B connects, and the input terminal two of 74HC132 chip 1D4B connects power supply unit, the output of 74HC132 chip 1D4B
Terminate the end BUSACK of control unit；The output end of comparator 1D3B and the end BUSCHECK of control unit connect, control unit
The end BUSCHECK connect with power supply unit by resistance 1R28, power supply unit passes through the output of resistance 1R27 and comparator 1D3A
End connection；The normal phase input end of the comparator 1D3C is grounded by resistance 3R19, and the normal phase input end of comparator 1D3C passes through
Capacitor 3C8 is connect with power supply unit, and the anode of diode 3ZD5 is connect with the normal phase input end of comparator 1D3C, diode 3ZD5
Cathode connect with power supply unit；The inverting input terminal of comparator 1D3C is connect with the collector of diode 1V12；Comparator
The output end of 1D3C and the end BUSOVER of control unit connect, and the end BUSOVER of control unit passes through resistance 3R18 and power supply list
Member connection.
In above scheme, control unit issues the address code for needing inspection, corresponding fire-fighting by BUS5V, BUS0V pin
Monitoring sensor receives the state of itself after inspection signal back to the end ZX+1, and then control unit carries out sentencing for state
It is disconnected: if BUSACK pin is low level, to judge that the monitoring sensor of fire-fighting thus is offline；If BUSCHECK pin is low level
It is judged as that fire-fighting monitors short circuit sensor；If BUSOVER pin be low level, be judged as fire-fighting monitoring sensor repeated code (or
Person's address conflict).
In the specific implementation process, as shown in figure 5, the power supply unit includes AC/DC input adapter 3X1, for electric defeated
Enter connector 3X2, protective tube 3F1, protective tube 3F2, charging capacitor 3C1, two-way Transient Suppression Diode 3Z1, common cathode Schottky
Rectifier diode half-bridge 3V4, resistance 3R1, resistance 3R2, resistance 3R3, resistance 3R4, resistance 3R5, resistance 3R6, resistance 3R7, electricity
Hinder 3R8, resistance 3R9, resistance 3R10, resistance 3R11, resistance 3R12, resistance 3R13, resistance 3R14, resistance 3R15, resistance 3R16,
Diode 3V1, standby eletric starter button 3S1, triode 3V2, triode 3V3, triode 3V5, relay 2K1 and power management core
Piece；
Wherein the 1st end, the 2nd end, the 3rd end of AC/DC input adapter 3X1 is whole by protective tube 3F1 and common cathode Schottky
Flow the 3rd end connection of diode half-bridge 3V4, the 4th end of AC/DC input adapter 3X1, the 5th end, the 6th end ground connection；Common cathode Xiao Te
The 3rd end of base rectifier diode half-bridge 3V4 passes through capacitor 3C1, two-way Transient Suppression Diode 3Z1 ground connection respectively；Common cathode Xiao
The 3rd end of special base rectifier diode half-bridge 3V4 passes sequentially through resistance 3R2, resistance 3R3 ground connection；One end of resistance 3R2, resistance 3R3
It is connect by resistance 3R4 with power management chip；The 3rd end of common cathode Schottky barrier diodes half-bridge 3V4 passes through resistance 3R1
It is connect with the anode of diode 3V1, the cathode of diode 3V1 is connect with the emitter-base bandgap grading of triode 3V2；The base stage of triode 3V2 is logical
Resistance 3R11 is crossed to connect with the collector of triode 3V3；The collector and common cathode Schottky barrier diodes half of triode 3V2
The 1st end of bridge 3V4 connects；The base stage of the emitter grounding of triode 3V3, triode 3V3 passes through resistance 3R12 and power management core
Piece connection；The 1st end of common cathode Schottky barrier diodes half-bridge 3V4 passes sequentially through resistance 3R8, resistance 3R9 ground connection, resistance
3R8, resistance 3R9 one end connect with power management chip by resistance 3R10；Common cathode Schottky barrier diodes half-bridge 3V4
The 1st end connect with the input terminal of relay 2K1, the output end of relay 2K1 is connect with the 1st end of standby electric input adapter 3X2；
The 2nd end of standby electricity input adapter 3X2 passes sequentially through resistance 3R14, resistance 3R15 ground connection, and resistance 3R14, one end of resistance 3R15 are logical
Resistance 3R16 is crossed to connect with power management chip；The input terminal of relay 2K1 passes through standby eletric starter button 3S1 and relay 2K1
Output end connection；The control terminal of relay is connect with the collector of triode 3V5, and the base stage of triode 3V5 passes through resistance
3R13 is connect with power management chip, the emitter grounding of triode 3V5；The 2 of common cathode Schottky barrier diodes half-bridge 3V4
End pass sequentially through resistance 3R5, resistance 3R6 ground connection, resistance 3R5, resistance 3R6 one end pass through resistance 3R7 and power management chip
Connection.
In the process of running, power management chip can by the detection to ACOUT_V pin and 2BATT_V pin voltage
To judge whether AC/DC input and backup power source are normal, when power management chip detects that backup power source voltage is too low, at this time
CHG pin is set high, BATT_C and is set low, and control charging circuit is opened, and AC/DC is inputted at this time charges to backup power source, when detecting
When the power-off suddenly of sufficient or AC/DC input of backup power source electricity, BATT_C sets height, disconnects charging circuit, avoids overcharging and cause electricity
Pond damage.
In the specific implementation process, the power management chip is PIC16F873A chip.
In the specific implementation process, described control unit is Cortex-M3 microcontroller.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of dedicated fire-fighting of locomotive monitors system, it is characterised in that: monitor sensor, network including control unit, fire-fighting
Interface and power supply unit；Wherein control unit is connect with network interface, fire-fighting monitoring sensor, and power supply unit is supplied to control unit
Electricity；
The fire-fighting monitoring system further includes having the monitor loop circuit being monitored for offseting anti-monitoring sensor states；
The circuit observation circuit includes resistance 1R16, resistance 1R17, resistance 1R18, resistance 1R19, resistance 1R20, resistance
1R21, resistance 1R22, resistance 1R23, resistance 1R24, resistance 1R25, resistance 1R26, resistance 1R27, resistance 1R28, resistance 3R19,
Resistance 3R18, capacitor 1C5, capacitor 1C6, capacitor 1C7, capacitor 1C8, capacitor 3C8, triode 1V7, triode 1V8, triode
1V9, triode 1V11, triode 1V12, diode 1V4, diode 1V5, zener diode 1V6, diode 1V10, diode
1V13, diode 1V14, diode 3ZD5, protective tube 1F1, comparator 1D3A, comparator 1D3B, comparator 1D3C, 74HC132
Chip 1D4A and 74HC132 chip 1D4B；
Wherein the end BUS5V of control unit is connect by resistance 1R18 with the base stage of triode 1V7, the collector of triode 1V7
It is connect with the anode of zener diode 1V6, the cathode of zener diode 1V6 is connect with the collector of triode 1V11, triode
The base stage of the emitter grounding of 1V7 and triode 1V11, triode 1V11 is connected by the end BUS0V of resistance 1R20 and control unit
It connects；One end of the capacitor 1C5 is grounded, and the other end passes sequentially through resistance 1R17, resistance 1R16 is connect with power supply unit；Capacitor
The other end of 1C5 is connect with the base stage of triode 1V8, the base stage of triode 1V8 and anode, the triode 1V9 of diode 1V4
Collector connection；The cathode of diode 1V4 is connect by protective tube 1F1 with the cathode of zener diode 1V6；Triode 1V8
Collector connect with power supply unit；The emitter-base bandgap grading of triode 1V8 is connect with the base stage of triode 1V9, and the emitter-base bandgap grading of triode 1V8 is logical
It crosses resistance 1R19 to connect with the anode of diode 1V5, the emitter-base bandgap grading of triode 1V9 is connect with the anode of diode 1V5, diode
The cathode of 1V5 is connect with the cathode of diode 1V4；The base stage of triode 1V12 is connect with the anode of diode 1V10, diode
The cathode of 1V10 is connect with the collector of triode 1V11；The base stage of triode 1V12 passes through resistance 1R21's and comparator 1D3B
Inverting input terminal connection；The collector of the triode 1V12 passes through resistance 1R22 respectively, capacitor 1C6 is connect with power supply unit；
The collector of triode 1V12 is connect with the reverse input end of the normal phase input end of comparator 1D3B, comparator 1D3A；Described three
The emitter-base bandgap grading of pole pipe 1V12 passes through resistance 1R23, capacitor 1C7 ground connection respectively, and the emitter-base bandgap grading of the triode 1V12 is with diode 1V5's
Anode connection；The emitter-base bandgap grading of the triode 1V12 is connect with the cathode of diode 1V13, the plus earth of diode 1V13；It is described
The anode of diode 1V5 is connect with fire-fighting monitoring sensor；The inverting input terminal of the comparator 1D3B is connect by resistance 1R26
The inverting input terminal on ground, the comparator 1D3B is connect by resistance 1R25 with the normal phase input end of comparator 1D3A, comparator
The normal phase input end of 1D3A is connect by resistance 1R24 with power supply unit, and the inverting input terminal of comparator 1D3B passes through capacitor 1C8
It is connect with power supply unit；The anode of diode 1V14 is connect with the inverting input terminal of comparator 1D3B, the cathode of diode 1V14
Connect power supply unit；The output end of comparator 1D3A is connect with the input terminal one of 74HC132 chip 1D4A, 74HC132 chip 1D4A
Input terminal two connect with the end BUS5V of control unit；The output end of 74HC132 chip 1D4A is with 74HC132 chip 1D4B's
Input terminal one connects, and the input terminal two of 74HC132 chip 1D4B connects power supply unit, and the output of 74HC132 chip 1D4B terminates control
The end BUSACK of unit processed；The output end of comparator 1D3B and the end BUSCHECK of control unit connect, control unit
The end BUSCHECK is connect by resistance 1R28 with power supply unit, and power supply unit passes through the output end of resistance 1R27 and comparator 1D3A
Connection；The normal phase input end of the comparator 1D3C is grounded by resistance 3R19, and the normal phase input end of comparator 1D3C passes through electricity
Hold 3C8 to connect with power supply unit, the anode of diode 3ZD5 is connect with the normal phase input end of comparator 1D3C, diode 3ZD5's
Cathode is connect with power supply unit；The inverting input terminal of comparator 1D3C is connect with the collector of diode 1V12；Comparator 1D3C
Output end and the end BUSOVER of control unit connect, the end BUSOVER of control unit is connected by resistance 3R18 and power supply unit
It connects.
2. the dedicated fire-fighting of locomotive according to claim 1 monitors system, it is characterised in that: the monitoring system setting
The quantity that fire-fighting monitors sensor is multiple.
3. the dedicated fire-fighting of locomotive according to claim 2 monitors system, it is characterised in that: the fire-fighting monitors sensor
It is in spot-type photoelectric smoke detector, point type heat fire detector, point-type combined type smoke-temperature sensing fire detector one
Kind is a variety of.
4. the dedicated fire-fighting of locomotive according to claim 1 monitors system, it is characterised in that: the fire-fighting monitoring system is also
It include storage unit, storage unit is connect with control unit, and power supply unit is powered to storage unit.
5. the dedicated fire-fighting of locomotive according to claim 4 monitors system, it is characterised in that: the fire-fighting monitoring system is also
It include display unit and push-button unit, display unit, push-button unit and control unit connect；Power supply unit to display unit,
Push-button unit power supply.
6. the dedicated fire-fighting of locomotive according to claim 1 monitors system, it is characterised in that: the power supply unit includes
AC/DC input adapter 3X1, standby electric input adapter 3X2, protective tube 3F1, protective tube 3F2, charging capacitor 3C1, two-way transient state inhibit
Diode 3Z1, common cathode Schottky barrier diodes half-bridge 3V4, resistance 3R1, resistance 3R2, resistance 3R3, resistance 3R4, resistance
3R5, resistance 3R6, resistance 3R7, resistance 3R8, resistance 3R9, resistance 3R10, resistance 3R11, resistance 3R12, resistance 3R13, resistance
3R14, resistance 3R15, resistance 3R16, diode 3V1, standby eletric starter button 3S1, triode 3V2, triode 3V3, triode
3V5, relay 2K1 and power management chip；
Wherein the 1st end, the 2nd end and the 3rd end of AC/DC input adapter 3X1 passes through protective tube 3F1 and common cathode Schottky rectification two
The 3rd end of pole pipe half-bridge 3V4 connects, the 4th end, the 5th end and the 6th end ground connection of AC/DC input adapter 3X1；Common cathode Schottky
The 3rd end of rectifier diode half-bridge 3V4 passes through capacitor 3C1, two-way Transient Suppression Diode 3Z1 ground connection respectively；Common cathode Xiao Te
The 3rd end of base rectifier diode half-bridge 3V4 passes sequentially through resistance 3R2, resistance 3R3 ground connection；Resistance 3R2, one end of resistance 3R3 are logical
Resistance 3R4 is crossed to connect with power management chip；The 3rd end of common cathode Schottky barrier diodes half-bridge 3V4 by resistance 3R1 with
The anode of diode 3V1 connects, and the cathode of diode 3V1 is connect with the emitter-base bandgap grading of triode 3V2；The base stage of triode 3V2 passes through
Resistance 3R11 is connect with the collector of triode 3V3；The collector and common cathode Schottky barrier diodes half-bridge of triode 3V2
The 1st end of 3V4 connects；The base stage of the emitter grounding of triode 3V3, triode 3V3 passes through resistance 3R12 and power management chip
Connection；The 1st end of common cathode Schottky barrier diodes half-bridge 3V4 passes sequentially through resistance 3R8, resistance 3R9 ground connection, resistance 3R8
And one end of resistance 3R9 is connect by resistance 3R10 with power management chip；Common cathode Schottky barrier diodes half-bridge 3V4's
1st end is connect with the input terminal of relay 2K1, and the output end of relay 2K1 is connect with the 1st end of standby electric input adapter 3X2；It is standby
The 2nd end of electric input adapter 3X2 passes sequentially through resistance 3R14, resistance 3R15 and is grounded, and one end of resistance 3R14 and resistance 3R15 are logical
Resistance 3R16 is crossed to connect with power management chip；The input terminal of relay 2K1 passes through standby eletric starter button 3S1 and relay 2K1
Output end connection；The control terminal of relay is connect with the collector of triode 3V5, and the base stage of triode 3V5 passes through resistance
3R13 is connect with power management chip, the emitter grounding of triode 3V5；The 2 of common cathode Schottky barrier diodes half-bridge 3V4
End passes sequentially through resistance 3R5, resistance 3R6 and is grounded, and one end of resistance 3R5 and resistance 3R6 pass through resistance 3R7 and power management chip
Connection.
7. the dedicated fire-fighting of locomotive according to claim 6 monitors system, it is characterised in that: the power management chip is
PIC16F873A chip.
8. the dedicated fire-fighting of described in any item locomotives according to claim 1 ~ 7 monitors system, it is characterised in that: the control is single
Member is Cortex-M3 microcontroller.
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| CN201611081926.3A CN106741002B (en) | 2016-11-30 | 2016-11-30 | A kind of dedicated fire-fighting monitoring system of locomotive |
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| CN111905301A (en) * | 2019-06-04 | 2020-11-10 | 中车大同电力机车有限公司 | Intelligent monitoring fire extinguishing system for locomotive |
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