CN207984876U - A kind of subway train alarm system - Google Patents
A kind of subway train alarm system Download PDFInfo
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- CN207984876U CN207984876U CN201820032173.5U CN201820032173U CN207984876U CN 207984876 U CN207984876 U CN 207984876U CN 201820032173 U CN201820032173 U CN 201820032173U CN 207984876 U CN207984876 U CN 207984876U
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- 238000004891 communication Methods 0.000 claims abstract description 30
- 238000012790 confirmation Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
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- 230000009471 action Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 1
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a kind of subway train alarm system, including host and slave, host is arranged in driver driving room, several slaves are divided into every section compartment, several slaves are hung on above vehicle-mounted CAN bus, are communicatively coupled with host by vehicle-mounted CAN bus.Slave includes slave control unit, pushbutton unit, slave acousto-optic warning unit and slave CAN communication unit.Host includes master machine control unit, host C AN communication units, host acousto-optic warning unit, clock unit, display unit, key input unit and storage unit.The utility model is based on microcontroller control and CAN bus mechanics of communication, using the CAN bus communication modes of slave, passenger in compartment can actively initiate to alarm, vehicle multiplies personnel also can take counter-measure in first time to warning message, avoid the asymmetry of information transmission, safety is improved, other security protection occasions are can be widely applied to.
Description
Technical field
The utility model is related to subway technical field of security and protection, more particularly to a kind of subway train alarm system.
Background technology
Subway is as one of main rail traffic mode in city, and gathering of people amount is big, and security protection measure should be taken seriously.
Existing subway security protection is mainly implemented in subway platform, for example, when fire occurs in platform, have a fist fight or trample etc. accidents when, stand
Warning device in platform sends out alarm, and evacuation egress, as far as possible reduction injure reminding passengers as early as possible.
And for the abnormal accident in subway train compartment, in the prior art by the way that camera is arranged in compartment,
The video data in compartment is obtained in real time, and video data, which is transmitted to, to be set on the indoor monitor of train driving, and vehicle multiplies personnel
The monitor video in each compartment is checked by monitor.It is supervised due at least corresponding to a camera before and after each compartment
Control, monitored picture is more, the monitored picture in each compartment or is simultaneously displayed on monitor in the form of wicket, or in turn
Mode is shown on a monitor.Therefore, when have a fist fight in compartment, trample, even malicious harm event when, or because picture too
Look down upon unclear, or because picture does not have a real-time display, and or because vehicle multiplies personnel's human factor and do not find in time, can all lead
Counter-measure cannot taken in time at the first time by causing vehicle to multiply personnel, to cause security risk.
Utility model content
(1) the technical issues of solving
To solve the above-mentioned problems, the utility model provides a kind of subway train alarm system, using the CAN of slave
Bus communication mode, the passenger in compartment can actively initiate to alarm, and vehicle, which multiplies personnel, can also take warning message in first time
Counter-measure improves safety.
(2) technical solution
A kind of subway train alarm system, including host and slave, the host are arranged in driver driving room, several institutes
State slave and be divided into every section compartment, several described slaves are hung on above vehicle-mounted CAN bus, by the vehicle-mounted CAN bus with
The host is communicatively coupled；
The slave includes slave control unit, pushbutton unit, slave acousto-optic warning unit and slave CAN communication unit；
The pushbutton unit is sent into the slave control unit, institute for loading passenger's actuation of an alarm, output trigger signal
It includes button switch, relay and first resistor to state pushbutton unit, and the relay is single-pole single-throw(SPST type relay；
The slave control unit handles the trigger signal, and output low level signal controls the slave acousto-optic
Alarm unit carries out sound-light alarm；Warning message is sent to host by the slave control unit by the CAN communication unit
And the confirmation signal of receiving host, the slave control unit handle the confirmation signal, export high level signal control
Make the slave acousto-optic warning unit stop alarm；
The host includes master machine control unit, host C AN communication units, host acousto-optic warning unit, clock unit, shows
Show unit, key input unit and storage unit；
The master machine control unit receives the alarm signal that the slave is sent by the host C AN communication units
Breath, output low level signal control the host acousto-optic warning unit and carry out sound-light alarm；
The clock unit provides specific timing for the host, the clock unit include clock chip, reserve battery,
First crystal oscillator, the first and second capacitances, wherein the clock chip selects real-time timepiece chip DS1302；
The display unit carries out real-time display to alarm car position and time of fire alarming；
The key input unit is used to change and set the clock of the host, while being sent out for determining to the slave
The confirmation message is sent, the master machine control unit identification determines action, and exports high level signal and control the host acousto-optic
Alarm unit stop alarm；
The warning message that the storage unit preserves the operating parameter of the host and the slave is sent.
Further, the slave control unit and the master machine control unit select chip processor AT89S51.
Further, the slave acousto-optic warning unit and host acousto-optic warning unit circuit knot having the same
Structure, including buzzer, light emitting diode, triode and second resistance.
Further, the slave CAN communication unit and the host C AN communication units select general CAN isolation to receive
Send out device CTM8251AT.
Further, the display unit selects Liquid Crystal Module LCD12864.
Further, the key input unit includes keyboard scan chip, keyboard matrix, the second crystal oscillator, third~the
The resistance of five capacitances and third~the 9th, wherein it is four rows three row that the keyboard scan chip, which selects ZLG7289, the keyboard matrix,
12 key boards.
Further, the storage unit includes eeprom memory, the tenth and eleventh resistor, wherein the EEPROM
Memory selects 24C02.
(3) advantageous effect
The utility model provides a kind of subway train alarm system, is based on microcontroller control and CAN bus mechanics of communication,
Using the CAN bus communication modes of slave, the passenger in compartment can actively initiate to alarm, and vehicle multiplies personnel also can be at the first time
Counter-measure is taken to warning message, avoids the asymmetry of information transmission, improves safety, it is simple in structure, it is at low cost
Honest and clean, compact is easy to operate, and system power dissipation is low, fast response time, stability and good reliability, has good expansible
Property, it can be widely applied to other security protection occasions.
Description of the drawings
Fig. 1 is a kind of functional block diagram of subway train alarm system involved by the utility model.
Fig. 2 is a kind of pushbutton unit circuit diagram of subway train alarm system involved by the utility model.
Fig. 3 is a kind of acousto-optic warning unit circuit diagram of subway train alarm system involved by the utility model.
Fig. 4 is a kind of CAN communication element circuit schematic diagram of subway train alarm system involved by the utility model.
Fig. 5 is a kind of clock unit circuit diagram of subway train alarm system involved by the utility model.
Fig. 6 is a kind of key input unit circuit diagram of subway train alarm system involved by the utility model.
Fig. 7 is a kind of storage unit circuit schematic diagram of subway train alarm system involved by the utility model.
Specific implementation mode
The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of subway train alarm system, including host and slave, host are arranged in driver driving room, if
A dry slave is divided into every section compartment, several slaves are hung on above vehicle-mounted CAN bus, by vehicle-mounted CAN bus and host into
Row communication connection.Slave includes slave control unit, pushbutton unit, slave acousto-optic warning unit and slave CAN communication unit.It is main
Machine includes that master machine control unit, host C AN communication units, host acousto-optic warning unit, clock unit, display unit, keyboard are defeated
Enter unit and storage unit.
Slave control unit and master machine control unit select chip processor AT89S51.AT89S51 is a low-power consumption, low
8 cost, high-performance CMOS microcontrollers have complete input and output, control port and internal processes memory space, can be with
By external A/D, D/A conversion circuits and amplifier chip realize the acquisition that information is transmitted to sensor, and are capable of providing with dot matrix
Or LCD liquid crystal and external button realize human-computer interaction, can connect the peripheral equipments such as stepper motor to internal numerous ports I/O and carry out
Accurate manipulation, has powerful industry control ability.
Pushbutton unit is sent into slave control unit for loading passenger's actuation of an alarm, output trigger signal, as shown in Fig. 2,
Pushbutton unit includes button switch S1, relay K1 and resistance R1, and relay K1 is single-pole single-throw(SPST type relay.When being sent out in compartment
When raw abnormal, passenger presses button switch S1, so that relay K1 is powered and is attracted contact switch formation access, generates high level triggering
Signal is sent into the I/O mouths of the chip processor AT89S51 of slave.
The chip processor AT89S51 of slave handles high trigger signal, and output low level signal controls slave sound
Light alarm unit carries out sound-light alarm.Warning message is sent to host by the chip processor AT89S51 of slave by CAN communication unit
And the confirmation signal of receiving host, the chip processor AT89S51 of slave handle confirmation signal, output high level signal control
Slave acousto-optic warning unit stop alarm.As shown in figure 3, slave acousto-optic warning unit includes buzzer B1, light emitting diode
LED1, triode Q1 and resistance R2.Select buzzer B1 as alarm generating means, NPN triode Q1 is as driving, it is contemplated that
I/O mouthfuls of driving capability, chip processor AT89S51 will be with sink current form control buzzer B1 sounding.I/O mouthfuls of control is by microcontroller
The SPK feet of AT89S51 provide, and when being low level for I/O mouthfuls, buzzer B1 sounding, Light-emitting diode LED 1 is lighted；For high level
When, buzzer B1 stops sounding, and Light-emitting diode LED 1 is extinguished.
The chip processor AT89S51 of host receives the warning message that slave is sent by host C AN communication units, exports low electricity
Ordinary mail control host acousto-optic warning unit carries out sound-light alarm.Host acousto-optic warning unit and slave acousto-optic warning unit circuit
Structure is identical with operation principle.As shown in figure 4, host C AN communication units and slave CAN communication unit select general CAN every
From transceiver U1CTM8251AT.It is CAN bus that the major function of CTM8251AT, which is by the logic level transition of CAN controller,
Differential level, while also there is the buffer action between CAN controller and CAN bus, isolated power supply is up to DC2500V.It is single
Piece machine AT89S51 is connect by serial ports with CTM8251AT, and the CAN_H feet of CTM8251AT meet the high data bit of CAN bus, CAN_L
Foot connects low bit.
Clock unit provides specific timing for host, as shown in figure 5, clock unit includes clock chip U2, reserve battery
E1, crystal oscillator X1, capacitance C1 and C2, wherein clock chip U2 select real-time timepiece chip DS1302.DS1302 is by the U.S.
DALLAS companies release the low-power consumption real-time timepiece chip with trickle current charging ability, can to year, month, day, week,
When, point and the second carry out timing, and with the multiple functions such as leap year compensation.Operating voltage be 2.0~5.5V, using three-wire interface with
MCU microcontrollers synchronize communication, and clock signal or RAM data that burst mode once transmits multiple bytes can be used.
VCC2 feet are main power source, and VCC1 feet are backup power supply can also keep the continuous operation of clock in the case where main power source is closed.
RST feet are reset/chip select lines, and I/O feet are serial date transfer output end, and SCLK feet are system clock input terminal.
Display unit selects Liquid Crystal Module LCD12864, and real-time display, side are carried out to alarm car position and time of fire alarming
Convinent car multiplies personnel and rushes to alarm scene rapidly, improves reply efficiency.
Key input unit is used to change and set the clock of host, while sending confirmation message for determining to slave,
The chip processor AT89S51 identification of host determines action, and exports high level signal control host acousto-optic warning unit stop alarm.
As shown in fig. 6, key input unit include keyboard scan chip U3, keyboard matrix, crystal oscillator X2, capacitance C3~C5 and resistance R3~
It is four rows, three row, 12 key board that R9, wherein keyboard scan chip U3, which select ZLG7289, the keyboard matrix,.Contain inside ZLG7289
There is decoder, there is serial line interface, monolithic can be completed the repertoire of keyboard interface, external four rows, three row, 12 key board, when
Low level can be become by KEY feet when key pressing by having, and institute's key value can be read using instruction.
The warning message that storage unit preserves the operating parameter of host and slave is sent, facilitates the later stage to transfer and checks.Work as CAN
When hanging multiple slaves simultaneously in bus, data storage capacity is larger, needs external memorizer.As shown in fig. 7, storage unit includes
Eeprom memory U4, resistance R10 and R11, wherein eeprom memory U4 select 24C02.
The utility model provides a kind of subway train alarm system, is based on microcontroller control and CAN bus mechanics of communication,
Using the CAN bus communication modes of slave, the passenger in compartment can actively initiate to alarm, and vehicle multiplies personnel also can be at the first time
Counter-measure is taken to warning message, avoids the asymmetry of information transmission, improves safety, it is simple in structure, it is at low cost
Honest and clean, compact is easy to operate, and system power dissipation is low, fast response time, stability and good reliability, has good expansible
Property, it can be widely applied to other security protection occasions.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, all record in detail in the claims.
Claims (7)
1. a kind of subway train alarm system, it is characterised in that：Including host and slave, the host is arranged in driver driving
Room, several described slaves are divided into every section compartment, several described slaves are hung on above vehicle-mounted CAN bus, pass through the vehicle
CAN bus is carried to be communicatively coupled with the host；
The slave includes slave control unit, pushbutton unit, slave acousto-optic warning unit and slave CAN communication unit；
For the pushbutton unit for loading passenger's actuation of an alarm, output trigger signal is sent into the slave control unit, described to press
Button unit includes button switch, relay and first resistor, and the relay is single-pole single-throw(SPST type relay；
The slave control unit handles the trigger signal, and output low level signal controls the slave sound-light alarm
Unit carries out sound-light alarm；Warning message is sent to host by the CAN communication unit and connect by the slave control unit
The confirmation signal of host is received, the slave control unit handles the confirmation signal, and output high level signal controls institute
State slave acousto-optic warning unit stop alarm；
The host includes master machine control unit, host C AN communication units, host acousto-optic warning unit, clock unit, display list
Member, key input unit and storage unit；
The master machine control unit receives the warning message that the slave is sent by the host C AN communication units, defeated
Go out low level signal and controls the host acousto-optic warning unit progress sound-light alarm；
The clock unit provides specific timing for the host, and the clock unit includes clock chip, reserve battery, first
Crystal oscillator, the first and second capacitances, wherein the clock chip selects real-time timepiece chip DS1302；
The display unit carries out real-time display to alarm car position and time of fire alarming；
The key input unit is used to change and set the clock of the host, while sending institute for determining to the slave
Confirmation message is stated, the master machine control unit identification determines action, and exports high level signal and control the host sound-light alarm
Unit stop alarm；
The warning message that the storage unit preserves the operating parameter of the host and the slave is sent.
2. a kind of subway train alarm system according to claim 1, it is characterised in that：The slave control unit and institute
It states master machine control unit and selects chip processor AT89S51.
3. a kind of subway train alarm system according to claim 1, it is characterised in that：The slave acousto-optic warning unit
With the host acousto-optic warning unit circuit structure having the same, including buzzer, light emitting diode, triode and the second electricity
Resistance.
4. a kind of subway train alarm system according to claim 1, it is characterised in that：The slave CAN communication unit
General CAN isolated transceivers CTM8251AT is selected with the host C AN communication units.
5. a kind of subway train alarm system according to claim 1, it is characterised in that：The display unit selects liquid crystal
Modular LCD 12864.
6. a kind of subway train alarm system according to claim 1, it is characterised in that：The key input unit includes
The resistance of the capacitance of keyboard scan chip, keyboard matrix, the second crystal oscillator, third~the 5th and third~the 9th, wherein the keyboard is swept
It is four rows, three row, 12 key board to retouch chip and select ZLG7289, the keyboard matrix.
7. a kind of subway train alarm system according to claim 1, it is characterised in that：The storage unit includes
Eeprom memory, the tenth and eleventh resistor, wherein the eeprom memory selects 24C02.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032173.5U CN207984876U (en) | 2018-01-09 | 2018-01-09 | A kind of subway train alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820032173.5U CN207984876U (en) | 2018-01-09 | 2018-01-09 | A kind of subway train alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207984876U true CN207984876U (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820032173.5U Expired - Fee Related CN207984876U (en) | 2018-01-09 | 2018-01-09 | A kind of subway train alarm system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109678059A (en) * | 2018-11-06 | 2019-04-26 | 上海英奇电气科技有限公司 | A kind of control method and device with wireless module alarm |
| WO2020037771A1 (en) * | 2018-08-21 | 2020-02-27 | 中车南京浦镇车辆有限公司 | Passenger alarm output control circuit for unmanned subway train |
| WO2020093764A1 (en) * | 2018-11-09 | 2020-05-14 | 中车株洲电力机车有限公司 | Passenger information system and passenger information system control method |
| TWI754927B (en) * | 2020-05-06 | 2022-02-11 | 三商電腦股份有限公司 | Method for performing emergency call and mobile communication device |
-
2018
- 2018-01-09 CN CN201820032173.5U patent/CN207984876U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020037771A1 (en) * | 2018-08-21 | 2020-02-27 | 中车南京浦镇车辆有限公司 | Passenger alarm output control circuit for unmanned subway train |
| CN109678059A (en) * | 2018-11-06 | 2019-04-26 | 上海英奇电气科技有限公司 | A kind of control method and device with wireless module alarm |
| WO2020093764A1 (en) * | 2018-11-09 | 2020-05-14 | 中车株洲电力机车有限公司 | Passenger information system and passenger information system control method |
| TWI754927B (en) * | 2020-05-06 | 2022-02-11 | 三商電腦股份有限公司 | Method for performing emergency call and mobile communication device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190930 Address after: 510650 Room 1501, 95 Yanling Road, Tianhe District, Guangzhou City, Guangdong Province Patentee after: GUANGDONG HUANENG DYNAMO-ELECTRIC CO.,LTD. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190930 Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 313000 Room 1506, 3 Modern Plaza, Wuxing District, Huzhou City, Zhejiang Province Patentee before: HUZHOU YOUCHUANG TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 |