CN104811314B - A kind of locomotive emergency communication device and method - Google Patents
A kind of locomotive emergency communication device and method Download PDFInfo
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- CN104811314B CN104811314B CN201510212038.XA CN201510212038A CN104811314B CN 104811314 B CN104811314 B CN 104811314B CN 201510212038 A CN201510212038 A CN 201510212038A CN 104811314 B CN104811314 B CN 104811314B
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Abstract
The invention discloses a kind of locomotive emergency communication device and method, which includes：The first diode that input terminal is connected with on-vehicle information monitoring LDP power inserts；The electrical locomotive power converter being connected with locomotive storage batteries；The second diode that input terminal is connected with electrical locomotive power converter；The electric pressure converter being connected with the output terminal of the first diode and the output terminal of second diode；The processor CPU being connected with wireless communication plug-in unit, the electric pressure converter；Output terminal, the satellite positioning antennas of input terminal, electric pressure converter with electric pressure converter, the Beidou navigation BD/GPS modules that Beidou communication antenna and CPU are connected.The device is realized after emergency occurring, electrical locomotive power is caused to power off, Beidou navigation BD/GPS modules still are able to work on, by big-dipper satellite earthward on reception terminal transmitter truck position information and locomotive essential information, make the terminal on ground that can in case of emergency solve locomotive situation in time.
Description
Technical field
The present invention relates to field of communication technology, more particularly to a kind of locomotive emergency communication device and method.
Background technology
During existing locomotive operation, the Beidou navigation BD/GPS modules of locomotive are monitored by locomotive vehicle-mounted integrated information
Device (LDP) backboard is powered, and is specifically powered by LDP power inserts, and Beidou navigation BD/GPS does not have transmission letter in itself in locomotive
The function of breath needs that locomotive essential information and machine could be sent to Big Dipper communication antenna under the driving effect of wireless communication plug-in unit
Truck position information, then Beidou communication antenna by big-dipper satellite earthward on reception terminal for example railway department send locomotive
Essential information and locomotive location information reflect locomotive essential information and locomotive position letter in current operation to railway department in real time
Breath, it is ensured that railway department can understand locomotive operation situation in real time.
If emergency occurs during locomotive operation, such as the attack of terrorism and natural disaster or returned in locomotive without fire
It sending, overhaul and rescues etc. in emergency circumstances, electrical locomotive power can power off, and electrical locomotive power power-off can cause LDP power inserts to power off,
The power-off of LDP power inserts can cause wireless communication plug-in unit to power off.LDP plug-in units power off, then Beidou navigation BD/GPS modules power off,
It can not work, it is impossible to receive locomotive essential information and locomotive location information.It can not work after wireless communication plug-in unit power-off, the Big Dipper is defended
The driving effect that star BD/GPS modules do not wirelessly communicate plug-in unit can not send information, so even if big-dipper satellite BD/GPS
What module was switched on, the driving effect of plug-in unit is not wirelessly communicated, Big Dipper BD/GPS modules can not also send information, also just can not
Send locomotive essential information and locomotive location information.
So once electrical locomotive power powers off, LDP power inserts and wireless communication plug-in unit can be caused to power off, Beidou navigation
BD/GPS modules cannot receive locomotive essential information and locomotive location information, can not send locomotive essential information and locomotive position
Confidence ceases, so the reception terminal on ground in case of emergency will be unable to obtain locomotive essential information and locomotive position letter in real time
Breath, it is impossible to understand the situation of locomotive in time.
Invention content
The object of the present invention is to provide a kind of locomotive emergency communication device and methods, are caused with realizing in generation emergency
Electrical locomotive power power-off after, Beidou navigation module still is able to work on, by big-dipper satellite earthward on reception terminal send
Locomotive location information and locomotive essential information make the terminal on ground that can in case of emergency understand locomotive situation in time.
In order to solve the above technical problems, the present invention provides a kind of locomotive emergency communication device, including：
The first diode that input terminal is connected with on-vehicle information monitoring LDP power inserts, is inserted for stablizing the LDP power supplys
The positive flow direction of the output voltage of part；
The electrical locomotive power converter being connected with locomotive storage batteries, is converted for the power supply to the locomotive storage batteries；
The second diode that input terminal is connected with the electrical locomotive power converter, for stablizing the electrical locomotive power converter
Output voltage positive flow direction；
The electric pressure converter being connected with the output terminal of first diode and the output terminal of second diode, is used for
Voltage after the output voltage of the output voltage of first diode and second diode is merged is converted；
The processor CPU being connected with wireless communication plug-in unit, the electric pressure converter, for receiving and recording the channel radio
The locomotive essential information that letter rack part is sent；Receive the locomotive location information that Beidou navigation BD/GPS modules are sent, and by the machine
Vehicle essential information and the locomotive location information are sent to the BD/GPS modules；
Input terminal, the output terminal of the electric pressure converter with the electric pressure converter, satellite positioning antennas, Beidou communication
The BD/GPS modules that antenna and the CPU are connected, for receiving the locomotive position that the satellite positioning antennas is sent
Information, and the locomotive location information is sent to the CPU；Receive the locomotive essential information and the institute that the CPU is sent
Locomotive location information is stated, and is sent to the locomotive essential information and the locomotive location information under the driving of the CPU
The Beidou communication antenna so that big-dipper satellite antenna by big-dipper satellite by the locomotive essential information and the locomotive position
Information is sent to the reception terminal on ground.
Preferably, described device further includes：
Input terminal is connected with the LDP power inserts, the wave filter that output terminal is connected with first diode, for going
Except the interference signal in the output voltage of the LDP power inserts.
Preferably, described device further includes：
Input terminal is connected with the wave filter, the level detector that output terminal is connected with the CPU, described for detecting
Whether LDP power inserts, which stop, being powered.
Preferably, the electrical locomotive power converter further includes：
The deficient electric protection circuit of accumulator, in the deficient electricity of the locomotive storage batteries, stopping the electrical locomotive power converter
Only output voltage.
Preferably, described device further includes：
Input terminal is connected with the locomotive storage batteries, and output terminal is connected with the electrical locomotive power converter, power connection end and institute
The safety relay that electric pressure converter is connected is stated, for being disconnected in the deficient electricity of the locomotive storage batteries, makes the locomotive storage batteries
It is electrically isolated completely to the electrical locomotive power converter.
The present invention also provides a kind of locomotive emergency communication method, including：
When on-vehicle information monitoring LDP power inserts stop power supply, electrical locomotive power converter is to the power supply of locomotive storage batteries
It is converted, exports transformed supply voltage；
Electric pressure converter receives the transformed supply voltage, and the transformed supply voltage is carried out voltage turns
It changes, output first voltage makes processor CPU be powered, and exporting second voltage makes Beidou navigation BD/GPS modules be powered；
The BD/GPS modules start work under energization action, receive the locomotive position letter that satellite positioning antennas is sent
Breath, the CPU is sent to by the locomotive location information；
The CPU starts work under energization action, receives the locomotive location information, will be in the LDP power inserts
Do not stop the locomotive essential information sent by wireless communication plug-in unit for receiving and preserving during power supply and the locomotive location information
It is sent to the BD/GPS modules；
The BD/GPS modules send out the locomotive location information and the locomotive essential information under the driving of the CPU
Send to the Beidou communication antenna so that the Beidou communication antenna by big-dipper satellite by the locomotive essential information and described
Locomotive location information is sent to the reception terminal on ground.
Preferably, the electrical locomotive power converter converts the power supply of locomotive storage batteries, exports transformed power supply
After voltage, further include：
Wave filter removes the interference signal in the output voltage of the LDP power inserts.
Preferably, described when on-vehicle information monitoring LDP power inserts stop power supply, electrical locomotive power converter stores locomotive
The power supply of battery is converted, and before exporting transformed supply voltage, is further included：
Level detector detects whether the LDP power inserts stop powering.
Preferably, the Beidou communication antenna is believed the locomotive essential information and the locomotive position by big-dipper satellite
Breath is sent to after the reception terminal on ground, is further included：
The deficient electric protection circuit of accumulator of the electrical locomotive power converter makes the machine in the deficient electricity of the locomotive storage batteries
Vehicle power supply changeover device stops output voltage.
Preferably, the deficient electric protection circuit of the accumulator of the electrical locomotive power converter the locomotive storage batteries it is deficient electricity when,
After making the electrical locomotive power converter stopping output voltage, further include：
Safety relay disconnects switch, and the locomotive storage batteries is made to be electrically isolated completely to the electrical locomotive power converter.
A kind of locomotive emergency communication device and method provided by the present invention, during electrical locomotive power normal power supply, the LDP electricity
Source plug-in unit and the locomotive storage batteries are powered simultaneously for the BD/GPS modules and the CPU, BD/GPS modules normal work, institute
CPU is stated to receive and record the locomotive essential information for preserving the wireless communication plug-in unit transmission.When emergency occurs, locomotive electricity
Source can power off, and the LDP power inserts and wireless communication plug-in unit be caused to power off, then LDP power inserts are no longer powered, and utilize machine
Locomotive storage batteries on vehicle are the BD/GPS module for power supply, and the BD/GPS modules remain to energization work, receive the satellite
The locomotive location information that antenna is sent is positioned, and the locomotive location information is sent to the CPU, the CPU is received
The locomotive location information sends the wireless communication plug-in unit for not stopping receiving and preserving during power supply in LDP power inserts
Locomotive essential information is sent to the BD/GPS modules, and the BD/GPS modules can be under the driving of the CPU by the machine
Vehicle essential information and the locomotive location information are sent to the Beidou communication antenna, and the Beidou communication antenna is defended by the Big Dipper
The locomotive essential information and the locomotive location information are sent to the reception terminal on ground by star, realize and urgent feelings are occurring
Condition cause electrical locomotive power power off after, Beidou navigation module still is able to work on, and pass through big-dipper satellite earthward on reception
Terminal transmitter truck position information and locomotive essential information, make the terminal on ground in case of emergency can also understand machine in time
Vehicle situation.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
The structure diagram of a kind of locomotive emergency communication device that Fig. 1 is provided by the embodiment of the present invention；
The structure diagram of another locomotive emergency communication device that Fig. 2 is provided by the embodiment of the present invention；
The structure diagram of another locomotive emergency communication device that Fig. 3 is provided by the embodiment of the present invention；
The structure diagram of another locomotive emergency communication device that Fig. 4 is provided by the embodiment of the present invention；
The flow chart of a kind of locomotive emergency communication method that Fig. 5 is provided by the embodiment of the present invention.
Specific embodiment
The core of the present invention is to provide a kind of locomotive emergency communication device and method, is caused with realizing in generation emergency
Electrical locomotive power power-off after, Beidou navigation module still is able to work on, by big-dipper satellite earthward on reception terminal send
Locomotive location information and locomotive essential information make the terminal on ground that can in case of emergency understand locomotive situation in time.
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
Part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without making creative work shall fall within the protection scope of the present invention.
It please refers to Fig.1, a kind of locomotive emergency communication device that Fig. 1 is provided by the embodiment of the present invention, which meets an urgent need logical
T unit 1 includes：
The first diode 11 that input terminal is connected with on-vehicle information monitoring LDP power inserts, for stablizing the LDP plug-in units
Output voltage positive flow direction；
The electrical locomotive power converter 12 being connected with locomotive storage batteries, turns for the power supply to the locomotive storage batteries
It changes；
The second diode 13 that input terminal is connected with the electrical locomotive power converter 12 turns for stablizing the electrical locomotive power
The positive flow direction of the output voltage of parallel operation 12；
The electric pressure converter being connected with the output terminal of first diode 11 and the output terminal of second diode 13
14, for by the output voltage of the output voltage of first diode 11 and second diode 13 merge after voltage into
Row conversion；
The processor CPU15 being connected with wireless communication plug-in unit, the electric pressure converter 14, for receiving and recording the nothing
The locomotive essential information that line communication plug-in unit is sent；The locomotive location information that Beidou navigation BD/GPS modules 16 are sent is received, and will
The locomotive essential information and the locomotive location information are sent to the BD/GPS modules 16；
Input terminal, the output of the electric pressure converter 14, satellite positioning antennas, the Big Dipper with the electric pressure converter 14 lead to
The BD/GPS modules 16 that letter antenna and the CPU15 are connected, for receiving the machine that the satellite positioning antennas is sent
Truck position information, and the locomotive location information is sent to the CPU15；Receive the locomotive position that the CPU15 is sent
Confidence ceases and locomotive location information, and believes the locomotive essential information and the locomotive position under the driving of the CPU15
Breath is sent to the Beidou communication antenna so that big-dipper satellite antenna by big-dipper satellite by the locomotive essential information and described
Locomotive location information is sent to the reception terminal on ground.
Specifically, under normal condition, LDP power inserts and locomotive storage batteries are simultaneously powered the communication device, carry
Power supply source, the output voltage of LDP power inserts is 12V, and electrical locomotive power converter 12 carries out the power supply of the locomotive storage batteries
Transformed output voltage is 12V, i.e., the output voltage 110V of the locomotive storage batteries is converted to 12V.Because there are LDP power supplys
Plug-in unit and locomotive storage batteries are simultaneously powered Beidou navigation BD/GPS modules 16, and two-way voltage is powered simultaneously, and voltage merges
For voltage all the way, then the phenomenon that merging process can cause the electric current of two-way voltage to will appear reflux, this is breakneck, and
Failure can be generated to whole device, so a diode is connected with LDP power inserts, i.e., described first diode 11
Be connected with LDP power inserts, one diode need to be set in the output terminal of electrical locomotive power converter 12, i.e., described second diode
13.The input terminal of first diode 11 is connected with LDP power inserts, and the output current for ensureing LDP power inserts is forward direction,
Be not in the phenomenon that electric current is reversed, the output terminal of the input terminal of second diode 13 and the electrical locomotive power converter 12
It is connected, the output current for ensureing electrical locomotive power converter 12 is forward direction, is not in the phenomenon that electric current is reversed, and then makes LDP electric
Source plug-in unit and locomotive storage batteries simultaneously safely and effectively power to Beidou navigation BD/GPS modules 16.
Further, the output terminal of electric pressure converter 14 and first diode 11 and second diode 13 is defeated
Outlet is connected, and the voltage after 11 output voltage of the first diode and 13 output voltage of the second diode are merged carries out
Conversion.The output voltage of one or two pole, 11 pipe is voltage all the way, and the output voltage of second diode 13 is another way
Voltage, it is still 12V that this two-way voltage is merged into the voltage after voltage all the way, i.e., the electricity of the input terminal of described electric pressure converter 14
It presses as 12V.12V voltages are converted to 5V voltages by electric pressure converter 14, are powered for BD/GPS modules 16.The BD/GPS modules 16
There is two-way power voltage supply, be the voltage of 14 input terminal of electric pressure converter all the way, be 12V, another way is exported for electric pressure converter 14
The voltage at end is 5V.The CPU15 is connected with the electric pressure converter 14, and electric pressure converter 14 is converted to 12V voltages
3.3V powers for the CPU15.
Further, CPU15 is realized supervises with wireless communication plug-in unit progress RS232 communications, data storage, LDP power supply status
The functions such as survey, communicate with BD/GPS modules 16.Locomotive storage batteries are met an urgent need logical for locomotive simultaneously with LDP power inserts during normal work
T unit 1 is powered, and CPU15 receives and record the locomotive essential information that wireless communication plug-in unit is sent by RS232 serial ports；Pass through
In two-way UART port all the way, receive and record the locomotive location information of the transmission of BD/GPS modules 16.CPU15 believes locomotive substantially
Breath and location information are sent to BD/GPS modules 16, and the reception terminal specified on ground is sent to by big-dipper satellite.When locomotive electricity
After the power-off of source, the locomotive storage batteries on locomotive are powered to locomotive emergency set 1, and the BD/GPS modules receive the satellite positioning
The locomotive location information that antenna is sent, and the locomotive location information is sent to the CPU15, the CPU15 is logical
Start work under electro ultrafiltration, receive the locomotive location information, will be received simultaneously when the LDP power inserts do not stop power supply
The locomotive essential information sent by wireless communication plug-in unit and the locomotive location information preserved is sent to the BD/GPS modules
16, the BD/GPS modules 16 send out the locomotive location information and the locomotive essential information under the driving of the CPU15
Send to the Beidou communication antenna so that big-dipper satellite antenna by big-dipper satellite by the locomotive essential information and the locomotive
Location information is sent to the reception terminal on ground.
A kind of locomotive emergency communication device that the embodiment of the present invention is provided, during electrical locomotive power normal power supply, the LDP electricity
Source plug-in unit and the locomotive storage batteries are powered simultaneously for the BD/GPS modules and the CPU, BD/GPS modules normal work, institute
CPU is stated to receive and record the locomotive essential information for preserving the wireless communication plug-in unit transmission.When emergency occurs, locomotive electricity
Source can power off, and the LDP power inserts and wireless communication plug-in unit be caused to power off, then LDP power inserts are no longer powered, and utilize machine
Locomotive storage batteries on vehicle are the BD/GPS module for power supply, and the BD/GPS modules remain to energization work, receive the satellite
The locomotive location information that antenna is sent is positioned, and the locomotive location information is sent to the CPU, the CPU is received
The locomotive location information sends the wireless communication plug-in unit for not stopping receiving and preserving during power supply in LDP power inserts
Locomotive essential information and the locomotive location information are sent to the BD/GPS modules, and the BD/GPS modules can be described
The locomotive essential information and the locomotive location information are sent to the Beidou communication antenna, the north under the driving of CPU
The locomotive essential information and the locomotive location information are sent to the reception on ground by big-dipper satellite by bucket communication antenna
Terminal realizes that after emergency occurring, electrical locomotive power is caused to power off Beidou navigation module still is able to work on, and passes through north
Struggle against satellite earthward on reception terminal transmitter truck position information and locomotive essential information, make the terminal on ground in urgent feelings
Locomotive situation can be understood under condition in time.
It please refers to Fig.2, the structural representation of another locomotive emergency communication device that Fig. 2 is provided by the embodiment of the present invention
Figure, it is preferred that above-mentioned locomotive emergency communication device 1 further includes：
Input terminal is connected with the LDP power inserts, and the wave filter 17 that output terminal is connected with first diode is used for
Remove the interference signal in the output voltage of the LDP power inserts.
Wherein, wave filter 17 is filtered the output voltage of the LDP power inserts, removes the interference in output voltage
Signal makes not containing interference in output voltage, efficiently uses output voltage.
It please refers to Fig.3, the structural representation of another locomotive emergency communication device that Fig. 3 is provided by the embodiment of the present invention
Figure, it is preferred that above-mentioned locomotive emergency communication device 1 further includes：
Input terminal is connected with the wave filter 17, the level detector 18 that output terminal is connected with the CPU15, for detecting
Whether the LDP power inserts stop powering.
Wherein, level detector 18 is capable of detecting when that it is to be powered by LDP power inserts or locomotive storage batteries currently to power
Power supply, or both power simultaneously.
It please refers to Fig.4, the structural representation of another locomotive emergency communication device that Fig. 4 is provided by the embodiment of the present invention
Figure, it is preferred that above-mentioned locomotive emergency communication, which fills 1, puts and further include：
Input terminal is connected with the locomotive storage batteries, and output terminal is connected with the electrical locomotive power converter 12, power connection end with
The connected safety relay 19 of the electric pressure converter 14 for being disconnected in the deficient electricity of the locomotive storage batteries, makes the locomotive
Accumulator is electrically isolated completely to the electrical locomotive power converter 12.
Wherein, the deficient electricity of locomotive storage batteries is the situation of locomotive storage batteries voltage scarcity, and locomotive storage batteries voltage is insufficient,
To protect locomotive storage batteries safety, it should not use locomotive storage batteries, disconnect the power supply of locomotive storage batteries immediately.
Specifically, under initial situation, safety relay 19 disconnects.When LDP power inserts are Beidou navigation BD/GPS modules
During 16 power supply, the power connection end of safety relay 19 is 12V, then safety relay 19 is powered normally, and safety relay 19 is closed, this
When locomotive storage batteries and LDP power inserts power simultaneously for the device 1.When LDP power inserts stop powering, electrical locomotive power turns
The 12V that parallel operation 12 exports remains closed safety relay, which can continue to work.BD/GPS modules 16 pass through satellite
It positions antenna and receives satellite location data, pass through Beidou communication antenna and Big Dipper generation satellite communication.Pass through two-way UART serial ports
It communicates with CPU15,1 tunnel positions for sending BD/GPS modules 16, navigation information, and another 1 tunnel is used to receive and dispatch short message.
Further, when the deficient electricity of accumulator, electrical locomotive power converter 12 stops output 12V, at this time LDP power inserts
It does not power, the voltage of the power connection end mouth of safety relay is low level, then safety relay disconnects, and makes locomotive storage batteries and locomotive
It is electrically isolated completely between power supply changeover device.
Based on above-described embodiment, it is preferred that the electrical locomotive power converter 12 further includes：
The deficient electric protection circuit of accumulator, in the deficient electricity of the locomotive storage batteries, making the electrical locomotive power converter 12
Stop output voltage.
Another locomotive emergency communication device that the embodiment of the present invention is provided, when emergency occurs, electrical locomotive power
It can power off, the LDP power inserts and wireless communication plug-in unit be caused to power off, then LDP power inserts are no longer powered, and utilize locomotive
On locomotive storage batteries for the BD/GPS module for power supply, the BD/GPS modules remain to energization work, and can be in the CPU
Driving under the locomotive essential information and the locomotive location information be sent to the Beidou communication antenna, Beidou communication day
The locomotive essential information and the locomotive location information are sent to the reception terminal on ground by big-dipper satellite by line, are realized
Occur emergency cause electrical locomotive power power off after, Beidou navigation module still is able to work on, and pass through big-dipper satellite to
Reception terminal transmitter truck position information and locomotive essential information on ground, make the terminal on ground in case of emergency also can
It is enough to understand locomotive situation in time.And in the deficient electricity of the locomotive storage batteries, safety relay disconnects, and makes the locomotive storage batteries
It is electrically isolated completely to the electrical locomotive power converter, it is ensured that accumulator is safe to use, reduces security risk.
The present invention also provides a kind of locomotive emergency communication method, this method includes：
Step S101：When on-vehicle information monitoring LDP power inserts stop power supply, electrical locomotive power converter is to locomotive electric power storage
The power supply in pond is converted, and exports transformed supply voltage；
Step S102：Electric pressure converter receives the transformed supply voltage, by the transformed supply voltage into
Row voltage is converted, and output first voltage makes processor CPU be powered, and exporting second voltage leads to Beidou navigation BD/GPS modules
Electricity；
Step S103：The BD/GPS modules start work under energization action, receive the machine that satellite positioning antennas is sent
The locomotive location information is sent to the CPU by truck position information.
Step S104：The CPU starts work under energization action, receives the locomotive essential information, will be in the LDP
Power insert does not stop the locomotive essential information sent by wireless communication plug-in unit for receiving and preserving during power supply and the locomotive
Location information is sent to the BD/GPS modules；
Step S105：The BD/GPS modules are under the driving of the CPU by the locomotive location information and the locomotive
Essential information is sent to the Beidou communication antenna, so that the Beidou communication antenna is basic by the locomotive by big-dipper satellite
Information and the locomotive location information are sent to the reception terminal on ground.
Based on above-described embodiment, it is preferred that after step slol, further include：
Step S201：Wave filter removes the interference signal in the output voltage of the LDP power inserts.
Preferably, it before step S101, further includes：
Step S301：Level detector detects whether the LDP power inserts stop powering.
Preferably, it after step S105, further includes：
Step S401：The deficient electric protection circuit of accumulator of the electrical locomotive power converter is in the deficient electricity of the locomotive storage batteries
When, the electrical locomotive power converter is made to stop output voltage.
Preferably, it after step S401, further includes：
Step S501：Safety relay disconnects switch, makes the locomotive storage batteries and the electrical locomotive power converter complete
Electrical isolation.
A kind of locomotive emergency communication method provided by the invention, when emergency occurs, electrical locomotive power can power off, and cause
The LDP power inserts and wireless communication plug-in unit power off, then LDP power inserts are no longer powered, and are stored using the locomotive on locomotive
Battery is the BD/GPS module for power supply, and the BD/GPS modules remain to energization work, receives the satellite positioning antennas and sends
The locomotive location information, and the locomotive location information is sent to the CPU, the CPU receives the locomotive position
Information, the locomotive essential information that the wireless communication plug-in unit for not stopping receiving and preserving during power supply in LDP power inserts is sent
And the locomotive location information is sent to the BD/GPS modules, and the BD/GPS modules can be under the driving of the CPU
The locomotive essential information and the locomotive location information are sent to the Beidou communication antenna, the Beidou communication antenna leads to
The reception terminal that the locomotive essential information and the locomotive location information are sent on ground by big-dipper satellite is crossed, realizes and is sending out
After raw emergency causes electrical locomotive power to power off, Beidou navigation module still is able to work on, and passes through big-dipper satellite earthward
On reception terminal transmitter truck position information and locomotive essential information, make terminal on ground in case of emergency also can and
When understand locomotive situation.And in the deficient electricity of the locomotive storage batteries, safety relay disconnects, and makes the locomotive storage batteries and institute
It states electrical locomotive power converter to be electrically isolated completely to, it is ensured that accumulator is safe to use, reduces security risk.
A kind of locomotive emergency communication device and method provided by the present invention is described in detail above.Herein should
The principle of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to help to manage
Solve the method and its core concept of the present invention.It should be pointed out that it for those skilled in the art, is not departing from
Under the premise of the principle of the invention, can also to the present invention some improvement and modification can also be carried out, these improvement and modification also fall into this hair
In bright scope of the claims.
Claims (10)
1. a kind of locomotive emergency communication device, which is characterized in that including：
The first diode that input terminal is connected with on-vehicle information monitoring LDP power inserts, for stablizing the LDP power inserts
The positive flow direction of output voltage；
The electrical locomotive power converter being connected with locomotive storage batteries, is converted for the power supply to the locomotive storage batteries；
The second diode that input terminal is connected with the electrical locomotive power converter, for stablizing the defeated of the electrical locomotive power converter
Go out the positive flow direction of voltage；
The electric pressure converter being connected with the output terminal of first diode and the output terminal of second diode, for by institute
Voltage after the output voltage of output voltage and second diode for stating the first diode merges is converted；
The processor CPU being connected with wireless communication plug-in unit, the electric pressure converter, for receiving and recording the channel radio letter rack
The locomotive essential information that part is sent；Receive the locomotive location information that Beidou navigation BD/GPS modules are sent, and by the locomotive base
This information and the locomotive location information are sent to the BD/GPS modules；
Output terminal, satellite positioning antennas, the Beidou communication antenna of input terminal, the electric pressure converter with the electric pressure converter
And the BD/GPS modules that the CPU is connected, for receiving the locomotive location information that the satellite positioning antennas is sent,
And the locomotive location information is sent to the CPU；Receive the locomotive essential information and the locomotive that the CPU is sent
Location information, and the locomotive essential information and the locomotive location information are sent to the north under the driving of the CPU
Struggle against communication antenna, so that big-dipper satellite antenna is sent out the locomotive essential information and the locomotive location information by big-dipper satellite
Send the reception terminal to ground.
2. device as described in claim 1, which is characterized in that described device further includes：
Input terminal is connected with the LDP power inserts, the wave filter that output terminal is connected with first diode, for removing
State the interference signal in the output voltage of LDP power inserts.
3. device as claimed in claim 2, which is characterized in that described device further includes：
Level detector, the input terminal of the level detector are connected with the wave filter, the output terminal of the level detector
It is connected with the CPU, for detecting whether the LDP power inserts stop powering.
4. device as claimed in claim 3, which is characterized in that the electrical locomotive power converter further includes：
The deficient electric protection circuit of accumulator, in the deficient electricity of the locomotive storage batteries, stopping the electrical locomotive power converter defeated
Go out voltage.
5. device as claimed in claim 4, which is characterized in that described device further includes：
Safety relay, the input terminal of the safety relay are connected with the locomotive storage batteries, the safety relay it is defeated
Outlet is connected with the electrical locomotive power converter, the power connection end output with first diode respectively of the safety relay
The output terminal of end and second diode is connected, and for being disconnected in the deficient electricity of the locomotive storage batteries, makes the locomotive electric power storage
Pond is electrically isolated completely to the electrical locomotive power converter.
6. a kind of locomotive emergency communication method, which is characterized in that including：
When on-vehicle information monitoring LDP power inserts stop power supply, electrical locomotive power converter carries out the power supply of locomotive storage batteries
Conversion, exports transformed supply voltage；
Electric pressure converter receives the transformed supply voltage, and the transformed supply voltage is carried out voltage conversion, defeated
Going out first voltage makes processor CPU be powered, and exporting second voltage makes Beidou navigation BD/GPS modules be powered；
The BD/GPS modules start work under energization action, receive the locomotive location information that satellite positioning antennas is sent, will
The locomotive location information is sent to the CPU；
The CPU starts work under energization action, receives the locomotive location information, will not have in the LDP power inserts
Stop the locomotive essential information sent by wireless communication plug-in unit for receiving and preserving during power supply and the locomotive location information is sent
To the BD/GPS modules；
The locomotive location information and the locomotive essential information are sent to by the BD/GPS modules under the driving of the CPU
The Beidou communication antenna so that the Beidou communication antenna by big-dipper satellite by the locomotive essential information and the locomotive
Location information is sent to the reception terminal on ground.
7. method as claimed in claim 6, which is characterized in that the electrical locomotive power converter to the power supplys of locomotive storage batteries into
Row conversion, after exporting transformed supply voltage, further includes：
Wave filter removes the interference signal in the output voltage of the LDP power inserts.
8. method as claimed in claim 6, which is characterized in that described when on-vehicle information monitoring LDP power inserts stop power supply
When, electrical locomotive power converter converts the power supply of locomotive storage batteries, before exporting transformed supply voltage, further includes：
Level detector detects whether the LDP power inserts stop powering.
9. method as claimed in claim 6, which is characterized in that the Beidou communication antenna is by big-dipper satellite by the locomotive
Essential information and the locomotive location information are sent to after the reception terminal on ground, are further included：
The deficient electric protection circuit of accumulator of the electrical locomotive power converter makes the locomotive electricity in the deficient electricity of the locomotive storage batteries
Source converter stops output voltage.
10. method as claimed in claim 9, which is characterized in that the deficient electric protection electricity of accumulator of the electrical locomotive power converter
Road after making the electrical locomotive power converter stopping output voltage, is further included in the deficient electricity of the locomotive storage batteries：
Safety relay disconnects switch, and the locomotive storage batteries is made to be electrically isolated completely to the electrical locomotive power converter.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201484439U (en) * | 2009-06-02 | 2010-05-26 | 唐德尧 | Rail transit vehicle walking part and steel rail failure vehicle-mounted online monitoring and diagnostic system |
| CN101969220A (en) * | 2010-09-25 | 2011-02-09 | 华为终端有限公司 | Emergent communication device and emergent communication method of equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6784641B2 (en) * | 2000-09-20 | 2004-08-31 | Toshiba Battery Co., Ltd. | Uninterruptible power supply |
| US7720576B2 (en) * | 2007-11-21 | 2010-05-18 | Lennox Industries Inc. | Intelligent auxiliary power supply system with current and temperature monitoring capabilities |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201484439U (en) * | 2009-06-02 | 2010-05-26 | 唐德尧 | Rail transit vehicle walking part and steel rail failure vehicle-mounted online monitoring and diagnostic system |
| CN101969220A (en) * | 2010-09-25 | 2011-02-09 | 华为终端有限公司 | Emergent communication device and emergent communication method of equipment |
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