CN107380207A - Anti-jump method, apparatus and track circuit - Google Patents
Anti-jump method, apparatus and track circuit Download PDFInfo
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- CN107380207A CN107380207A CN201710590147.4A CN201710590147A CN107380207A CN 107380207 A CN107380207 A CN 107380207A CN 201710590147 A CN201710590147 A CN 201710590147A CN 107380207 A CN107380207 A CN 107380207A
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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
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
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- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention provides a kind of anti-jump method, apparatus of track and track circuit, it is related to railway technology field, the anti-bouncing device includes main control chip, output unit, power supply module and the first converting unit, the main control chip couples with the output unit and the first converting unit respectively, and the power supply module couples with first converting unit, output unit and the main control chip respectively.The main control chip is used for receiving voltage signal, and whether the voltage signal duration for judging to receive exceedes preset time.Detection judgement can be carried out to the voltage signal received, if simply there occurs instantaneous change for voltage signal, magnitude of voltage of the magnitude of voltage then exported with voltage signal before not changing is identical, so that second relay keeps original state, solves the instantaneous situation for falling or instantaneously picking up that when changing because voltage signal generation is instantaneous, caused relay occurs.
Description
Technical field
The present invention relates to railway technology field, in particular to a kind of anti-jump method, apparatus and track circuit.
Background technology
Two relays of track relay and binary of existing track circuit are directly to show relation again, without any buffering
And filtering measures, so less stable.It is mainly shown as two kinds of situations：The first is track circuit shunting badness, can be in-orbit
Road section causes track relay moment to pick up when having car.Second is due to that some external worlds make with the reason for track circuits itself
Into track section without car when track relay moment fall.Both of these case can all influence the safety of track train traveling, even
Generation accident.
The content of the invention
In view of this, it is an object of the invention to provide a kind of anti-jump method, apparatus and track circuit.
In a first aspect, the invention provides a kind of anti-bouncing device, the anti-bouncing device include main control chip, output unit,
Power supply module and the first converting unit, the main control chip couple with the output unit and the first converting unit respectively,
The power supply module couples with first converting unit, output unit and the main control chip respectively.The main control chip
For receiving voltage signal, and whether the voltage signal for judging to receive is in the range of preset voltage value, if judging knot
Fruit is no, and whether the voltage signal duration for judging to receive exceedes preset time, if the determination result is YES, controls institute
It is the first pre-set output voltage value to state the voltage conversion that the first converting unit exports the power supply module received, and is exported to institute
Output unit is stated, the output unit exports the first pre-set output voltage value to the second relay, made at second relay
In first state, to turn on the circuit coupled with second relay；If judged result is no, control first conversion is single
The voltage conversion of the power supply module received output is the second pre-set output voltage value by member, and is exported to the output unit,
The output unit exports the second pre-set output voltage value to the second relay, so that second relay is in the second shape
State, to disconnect the circuit coupled with second relay.
In preferred embodiments of the present invention, above-mentioned anti-bouncing device also includes the first relay, first relay point
Do not coupled with the main control chip and output unit.First relay is used for receiving voltage signal and the master control core
The level signal of piece, if the level signal of the main control chip received is high level, first relay disconnects, the master
First converting unit described in control chip controls exports the first pre-set output voltage value or the second pre-set output voltage value to output
Unit；If the level signal of the main control chip received is low level, the first relay closure, first relay
The voltage signal received is sent to the output unit.
In preferred embodiments of the present invention, above-mentioned anti-bouncing device also includes the second converting unit, and second conversion is single
First to be coupled with the main control chip, second converting unit is in parallel with first relay, for receiving the voltage letter
Number, the voltage signal is converted into the first default input voltage value, and send to the main control chip.
In preferred embodiments of the present invention, above-mentioned anti-bouncing device also includes the 3rd converting unit, and the 3rd conversion is single
It is first to be coupled with the main control chip, and the 3rd converting unit couples with second converting unit and the 3rd controller,
For receiving voltage signal, the voltage signal received is converted into the second default input voltage value, and send to described
Main control chip.
In preferred embodiments of the present invention, above-mentioned anti-bouncing device also includes detection unit, the detection unit with it is described
Main control chip couples, for detecting the working condition of the main control chip.
In preferred embodiments of the present invention, above-mentioned detection unit includes detection circuit and indicator lamp, the detection electricity
Road couples with the main control chip respectively, and the detection circuit is used for the state for detecting the main control chip, and according to the master
Control indicator lamp described in the working state control of chip.
Second aspect, the embodiment of the present invention provide a kind of anti-jump method, and methods described includes：The main control chip receives electricity
Press signal；Whether the voltage signal for judging to be currently received is in the range of preset voltage value；If judged result is no, judge to connect
Whether the duration of the voltage signal received exceedes preset time；If the determination result is YES, first conversion is controlled
The voltage conversion of the power supply module received is the first pre-set output voltage value by unit, and is sent to the output unit, institute
State output unit and export the first pre-set output voltage value, second relay be in first state, with conducting and described the
The circuit of two relays coupling；If judged result is no, first converting unit is controlled by the electricity of the power supply module received
Pressure is converted to the second pre-set output voltage value, and sends to the output unit, the second default output of output unit output
Magnitude of voltage, second relay is set to be in the second state, to disconnect the circuit coupled with second relay.
In the preferred embodiment, the above method also includes：The first relay receiving voltage signal and
The level signal of the main control chip；If the level signal of the main control chip received is high level, first relay
Disconnect, the main control chip controls first converting unit by the first pre-set output voltage value or the second pre-set output voltage value
Export to output unit；If the level signal of the main control chip received is low level, the first relay closure is described
First relay will receive voltage signal and send to the output unit.
The third aspect, present pre-ferred embodiments provide a kind of track circuit, and the track circuit includes above-mentioned anti-jump
Device and the second relay, the anti-bouncing device couple with second relay.
In the preferred embodiment, above-mentioned track circuit also includes the 3rd relay, the 3rd relay point
Do not coupled with second relay and the anti-bouncing device；And when second relay disconnects, the 3rd relay
Device disconnects；During the second relay closure, the 3rd relay closure.
The beneficial effect of the embodiment of the present invention is：
Anti-jump method, apparatus provided in an embodiment of the present invention and track circuit, the main control chip receive the voltage of input
Signal, whether the voltage signal for judging to receive is in preset range, if judged result is no, judges that the voltage signal is
It is no to continue preset time, if voltage signal does not continue preset time, first converting unit is controlled by the power supply mould of reception
The voltage conversion of block is the first predeterminated voltage output voltage values, second relay is in first state, with conducting and institute
State the circuit of the second relay coupling.Anti-bouncing device provided in an embodiment of the present invention, the voltage signal received can be carried out
Detection judges, if voltage signal, simply there occurs instantaneous change, the magnitude of voltage exported becomes with voltage signal no
Magnitude of voltage before change is identical, so that second relay keeps original state, solves because voltage signal occurs instantaneously to change
During change, the instantaneous situation for falling or instantaneously picking up of caused relay generation.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a structural representation of the anti-bouncing device that first embodiment of the invention provides；
Fig. 2 is another structural representation for the anti-bouncing device that first embodiment of the invention provides；
Fig. 3 is another structural representation for the anti-bouncing device that invention first embodiment provides；
Fig. 4 is the structural representation for the track circuit that second embodiment of the invention provides.
Icon：100- anti-bouncing devices；110- main control chips；120- output units；The converting units of 130- first；140- powers
Module；The relays of 150- first；The converting units of 160- second；The converting units of 170- the 3rd；180- detection units；200- tracks electricity
Road；The relays of 210- second.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Track circuit is the circuit being made up of steel rail line and rail insulation, for it is automatic, continuously detect track circuit
Whether the track circuit of the track section at place is taken by rolling stock, is also used for control signal device or switching device, to protect
Demonstrate,prove traffic safety.Reflect train occupation wherein in track circuit is two relays of a binary or track relay.Track
Two relays of relay and binary are directly to show relation again, without any buffering and filtering measures, so less stable.
Two kinds of forms of current track circuit stability difference are, the first：Track circuit shunting badness.In track section
When having car, railway voltage signal is 0V, and track relay is full state, remaining track circuit coupled with track relay
It is partially ON.When there are abnormal conditions, cause railway voltage to change, such as be changed into 0V, cause track relay moment to pick up.Production
Raw consequence is to take to lose to leave green (white) light belt, serious influence driving efficiency with route.Second is due to outside some
Track relay moment falls that (track relay should be when the reason for boundary and track circuit itself causes track section without car
Without car be in pick up state, because abnormal conditions cause to fall), caused consequence be route establish and signal at clear after,
Semaphore can be caused to close if track relay moment falls, make train brake hard and the danger of overrun a signal, also seriously
Influence driving efficiency.
In summary, for current existing technical conditions and track circuitsystem, wouldn't possess be fully solved due to
Route missing release caused by track circuit moment shunting badness leaves the problem of green (white) light belt and transient fault.
Inventor, with constantly exploring, proposes anti-jump method, apparatus provided in an embodiment of the present invention by long-term research
And track circuit.
First embodiment
Fig. 1 is referred to, the structured flowchart of the anti-bouncing device 100 provided for first embodiment of the invention, the anti-bouncing device
100 include main control chip 110, output unit 120, the converting unit 130 of power supply module 140 and first.The main control chip 110
Coupled respectively with the converting unit 130 of output unit 120 and first, the power supply module 140 respectively with described first turn
Unit 130, output unit 120 and the main control chip 110 is changed to couple.
The main control chip 110 is used for receiving voltage signal, such as when the anti-bouncing device 100 is applied to track circuit
When, the voltage signal is determined by the circuit of the track section where track circuit.Ideally, when track section has car,
The voltage signal of track circuit is 0V；When track section is without car, railway voltage signal is 24V.
Whether the voltage signal that the main control chip 110 judges to receive is in the range of preset voltage value, if sentencing
Disconnected result is no.In actual use, because equipment error influences, voltage signal and on-fixed that main control chip 110 receives
Some value, therefore judge whether voltage signal is in preset voltage value scope.
Whether the voltage signal duration for judging to receive exceedes preset time, for example, the preset time can
To be arranged to 3s.If the determination result is YES, control what first converting unit 130 exported the power supply module 140 received
Voltage conversion is the first pre-set output voltage value, and is exported to the output unit 120, the output of output unit 120 first
Pre-set output voltage value gives the second relay, second relay is in first state, with conducting and second relay
The circuit of device coupling.
If judged result is no, the voltage that controls first converting unit 130 to export the power supply module 140 received
The second pre-set output voltage value is converted to, and is exported default to the output unit 120, the output of output unit 120 second
Output voltage values give the second relay, so that second relay is in the second state, to disconnect and second relay
The circuit of coupling.
Specifically, when the anti-bouncing device 100 is applied to track circuit, track circuit is kept without car, the second relay
Pick up state.Anti-bouncing device 100 receives 24V voltage signals, and 110 default range of voltage values of main control chip is 15V-30V, judges
Go out the 24V voltage signals received to be in default range of voltage values, main control chip 110 judges the 24V voltages letter received
Number duration, when without car, if abnormal conditions occur, the voltage signal that main control chip 110 receives can be less than default model
The magnitude of voltage enclosed, not within a preset range, whether the magnitude of voltage duration that main control chip 110 judges to receive exceeds magnitude of voltage
Preset time.For example, when preset time is 3s, if after 3s, the magnitude of voltage received does not change still, i.e., does not have still
In the range of preset voltage value, characterize and having car state is changed into from without car state on track, the first converting unit 130 of control will
The power supply module 140 received exports the first pre-set output voltage value, exports to the second relay, wherein, the first default output
Magnitude of voltage can fall the second relay.If after 3s, the magnitude of voltage received still changes, that is, it is changed into default electricity
Voltage in the range of pressure value, characterize on track still without car, the voltage received before 3s is due to that track is extremely caused, control
Make the first converting unit 130 and the power supply module 140 received is exported into the second pre-set output voltage value, export to the second relay
Device, wherein, the second pre-set output voltage value can make the second relay keep picking up state.
As a kind of embodiment, the power supply module 140 can be that AC power can also be battery.Described first turn
It is electric pressure converter to change unit 130.
As a kind of embodiment, Fig. 2 is referred to, the anti-bouncing device 100 also includes the first relay 150, and described
One relay 150 couples with the main control chip 110 and output unit 120 respectively.
First relay 150 is used for the level signal of receiving voltage signal and the main control chip 110, if receiving
The level signal of the main control chip 110 be high level, first relay 150 disconnects, and the main control chip 110 controls
First converting unit 130 exports the first pre-set output voltage value or the second pre-set output voltage value to output unit 120；
If the level signal of the main control chip 110 received is low level, first relay 150 closes, first relay
Device 150 sends the voltage signal received to the output unit 120.
First relay 150 remains open in 110 normal work of main control chip, so that main control chip 110 docks
After the voltage signal detection received, a preset value is exported by output unit 120, if main control chip 110 when not working, by the
One relay 150 directly exports the voltage signal received to output unit 120, to ensure the normal work of the second relay
Make.
Further, because main control chip 110 needs the voltage signal processing to particular value, Fig. 3 is referred to, it is described anti-jump
Device 100 also includes the second converting unit 160, and second converting unit 160 couples with the main control chip 110, and described
Two converting units 160 are in parallel with first relay 150, and for receiving the voltage signal, the voltage signal is changed
For the first default input voltage value, for example, the described first default input voltage is 5V, and send to the main control chip 110.Make
For a kind of embodiment, second converting unit 160 is light coupling.
Similarly, the anti-bouncing device 100 also includes the 3rd converting unit 170, the 3rd converting unit 170 with it is described
Main control chip 110 couples, and the 3rd converting unit 170 couples with the controller of the second converting unit 160 and the 3rd,
For receiving voltage signal, the voltage signal received is converted into the second default input voltage value, and send to described
Main control chip 110.Described second default input voltage value is identical with the first default input voltage value.
The voltage signal for inputting anti-bouncing device 100 is converted to two by the 3rd converting unit 170 and the second converting unit 160
Road, main control chip 110 is inputted respectively, the conduct of the 3rd converting unit 170 is standby, when the second converting unit 160 occurs abnormal, generation
For the second converting unit 160.
Further, the anti-bouncing device 100 also includes detection unit 180, the detection unit 180 and the master control core
Piece 110 couples, for detecting the working condition of the main control chip 110.
As a kind of embodiment, the detection unit 180 includes detection circuit and indicator lamp, the detection circuit point
Not coupled with the main control chip 110, the detection circuit is used for the state for detecting the main control chip 110, and according to described
Indicator lamp described in the working state control of main control chip 110.For example, the detection circuit can be wire, one end is connected to institute
The pin of main control chip 110 is stated, the other end, when 110 normal work of main control chip, output voltage to indicator lamp, refers to indicator lamp
Show that lamp brightens.
The principle of anti-bouncing device 100 provided in an embodiment of the present invention is：The receiving voltage signal of main control chip 110；Sentence
Whether the disconnected voltage signal being currently received is in the range of preset voltage value；If judged result is no, the institute received is judged
Whether the duration for stating voltage signal exceedes preset time；If the determination result is YES, control first converting unit 130 will
The voltage conversion of the power supply module 140 received is the first pre-set output voltage value, and is sent to the output unit 120, institute
State output unit 120 export the first pre-set output voltage value, second relay be in first state, with turn on it is described
The circuit of second relay coupling.If judged result is no, the power supply module that controls first converting unit 130 to receive
140 voltage conversion is the second pre-set output voltage value, and sends to the output unit 120, the output unit 120 and export
Second pre-set output voltage value, second relay is set to be in the second state, to disconnect what is coupled with second relay
Circuit.
Second embodiment
Fig. 4 is referred to, the structural representation of track circuit 200 provided for second embodiment of the invention, the track circuit
200 include the relay 210 of anti-bouncing device 100 and second that first embodiment provides, the anti-bouncing device 100 and described second
Relay 210 couples.
Further, the track circuit 200 also includes the 3rd relay, and the 3rd relay is respectively with described second
Relay 210 and the anti-bouncing device 100 couple.And when second relay 210 disconnects, the 3rd relay breaks
Open；When second relay 210 closes, the 3rd relay closure.
Anti-jump method, apparatus 100 provided in an embodiment of the present invention and track circuit 200, do not change original track circuit 200 and make
In the case of formula and equipment, increase track anti-bouncing device 100 between the second relay 210 and the 3rd track relay, it the
A kind of function is：When track section has car, the second relay 210 is in full state, when solving due to track abnormal conditions
Caused voltage signal transient change, the problem of caused second relay 210 instantaneously picks up.Second of function is in track electricity
Keep picking up state when road 200 is without electricity, voltage signal transient change caused by solving when track abnormal conditions, caused the
Two relays 210 are instantaneous, the problem of falling.In a word, the setting of anti-bouncing device 100 solves the transient fault of track circuit 200.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. anti-bouncing device, it is characterised in that the anti-bouncing device include main control chip, output unit, power supply module and First converting unit, the main control chip couple with the output unit and the first converting unit respectively, the power supply module Coupled respectively with first converting unit, output unit and the main control chip；The main control chip is used for receiving voltage signal, and whether the voltage signal for judging to receive is in preset voltage value In the range of, if judged result is no, whether the voltage signal duration for judging to receive exceedes preset time, if judging As a result it is yes, controls the voltage conversion that first converting unit exports the power supply module received as the first default output electricity Pressure value, and export to the output unit, the output unit exports the first pre-set output voltage value to the second relay, makes institute State the second relay and be in first state, to turn on the circuit coupled with second relay；If judged result is no, control The voltage conversion that first converting unit exports the power supply module received is the second pre-set output voltage value, and is exported extremely The output unit, the output unit exports the second pre-set output voltage value to the second relay, so that second relay Device is in the second state, to disconnect the circuit coupled with second relay.
- 2. anti-bouncing device according to claim 1, it is characterised in that the anti-bouncing device also includes the first relay, institute The first relay is stated to couple with the main control chip and output unit respectively；First relay is used for the level signal of receiving voltage signal and the main control chip, if the master control received The level signal of chip is high level, and first relay disconnects, and the main control chip controls first converting unit will First pre-set output voltage value or the second pre-set output voltage value are exported to output unit；If the electricity of the main control chip received Ordinary mail number is low level, and the first relay closure, first relay sends the voltage signal received to described Output unit.
- 3. anti-bouncing device according to claim 2, it is characterised in that the anti-bouncing device also includes the second converting unit, Second converting unit couples with the main control chip, and second converting unit is in parallel with first relay, is used for The voltage signal is received, the voltage signal is converted into the first default input voltage value, and send to the main control chip.
- 4. anti-bouncing device according to claim 3, it is characterised in that the anti-bouncing device also includes the 3rd converting unit, 3rd converting unit couples with the main control chip, and the 3rd converting unit and second converting unit and the One controller is coupled, and for receiving voltage signal, the voltage signal received is converted into the second default input voltage value, And send to the main control chip.
- 5. anti-bouncing device according to claim 1, it is characterised in that the anti-bouncing device also includes detection unit, described Detection unit couples with the main control chip, for detecting the working condition of the main control chip.
- 6. anti-bouncing device according to claim 5, it is characterised in that the detection unit includes detection circuit and instruction Lamp, the detection circuit couple with the main control chip respectively, and the detection circuit is used for the state for detecting the main control chip, And the indicator lamp according to the working state control of the main control chip.
- A kind of 7. anti-jump method, it is characterised in that applied to the anti-bouncing device described in claim 1, methods described includes：The main control chip receiving voltage signal；Whether the voltage signal for judging to be currently received is in the range of preset voltage value；If judged result is no, whether the duration for the voltage signal for judging to receive exceedes preset time；If the determination result is YES, first converting unit is controlled to preset the voltage conversion of the power supply module received for first Output voltage values, and send to the output unit, the output unit and export the first pre-set output voltage value, make described second Relay is in first state, to turn on the circuit coupled with second relay；If judged result is no, first converting unit is controlled to preset the voltage conversion of the power supply module received for second Output voltage values, and send to the output unit, the output unit and export the second pre-set output voltage value, make described second Relay is in the second state, to disconnect the circuit coupled with second relay.
- 8. anti-jump method according to claim 7, it is characterised in that the anti-bouncing device also includes the first relay, institute Before stating the railway voltage signal for judging the to be currently received step whether identical with the preceding railway voltage signal once received, Methods described also includes：The level signal of the relay receiving voltage signal and the main control chip；If the level signal of the main control chip received is high level, first relay disconnects, the main control chip control First converting unit is made to export the first pre-set output voltage value or the second pre-set output voltage value to output unit；If the level signal of the main control chip received is low level, the first relay closure, first relay Voltage signal will be received to send to the output unit.
- 9. a kind of track circuit, it is characterised in that the track circuit includes the anti-bouncing device and second described in claim 1 Relay, the anti-bouncing device couple with second relay.
- 10. track circuit according to claim 9, it is characterised in that the track circuit also includes the 3rd relay, institute The 3rd relay is stated to couple with second relay and the anti-bouncing device respectively；And when second relay disconnects When, the 3rd relay disconnects；During the second relay closure, the 3rd relay closure.
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| CN201710590147.4A CN107380207A (en) | 2017-07-19 | 2017-07-19 | Anti-jump method, apparatus and track circuit |
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| CN201710590147.4A CN107380207A (en) | 2017-07-19 | 2017-07-19 | Anti-jump method, apparatus and track circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055892A (en) * | 2019-12-26 | 2020-04-24 | 中国铁道科学研究院集团有限公司通信信号研究所 | Railway signal acquisition information fault-tolerant method based on threshold delay processing |
| CN111469889A (en) * | 2020-04-28 | 2020-07-31 | 合肥工大高科信息科技股份有限公司 | Method, device and system for protecting computer interlocking track from power failure fault |
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| CN111055892A (en) * | 2019-12-26 | 2020-04-24 | 中国铁道科学研究院集团有限公司通信信号研究所 | Railway signal acquisition information fault-tolerant method based on threshold delay processing |
| CN111469889A (en) * | 2020-04-28 | 2020-07-31 | 合肥工大高科信息科技股份有限公司 | Method, device and system for protecting computer interlocking track from power failure fault |
| CN111469889B (en) * | 2020-04-28 | 2022-01-28 | 合肥工大高科信息科技股份有限公司 | Method, device and system for protecting computer interlocking track from power failure fault |
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