CN110492596A - A kind of railway signal power source switching module - Google Patents
A kind of railway signal power source switching module Download PDFInfo
- Publication number
- CN110492596A CN110492596A CN201910769618.7A CN201910769618A CN110492596A CN 110492596 A CN110492596 A CN 110492596A CN 201910769618 A CN201910769618 A CN 201910769618A CN 110492596 A CN110492596 A CN 110492596A
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- power supply
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- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000011897 real-time detection Methods 0.000 claims abstract description 4
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 241001484259 Lacuna Species 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a kind of railway signal power source switching modules, it is set in power lightning protection box, input module including being divided into two-way power supply, to the monitoring module of the two-way supply voltage current detecting in input module, the conversion module of signal connection monitoring module, and the execution module that connection conversion module is used to switch over two-way on/off, wherein, it is connected between the two-way power supply by switching circuit, there is the monitoring circuit that voltage and current real-time detection is carried out to two-way power supply in monitoring module, monitoring includes comparison unit in circuit, supply voltage electric current and level threshold value are compared by comparison unit, it include amplifying unit and trigger unit in conversion module, conversion module receives the signal in monitoring module and amplifies triggering execution module, execution module connects the switch triggering end of each phase in two-way power supply, from And realize being switched fast between two-way power supply, meanwhile, monitor the outputting alarms such as under-voltage, lacuna.
Description
Technical field
The present invention relates to a kind of power supply system, specifically a kind of railway signal power source switching module.
Background technique
Railway signal power supply system is provided with for construction speeds, standardization level such as railway, subway, urban light rails and tries hard to keep
Barrier；Efficient, high-precision, high technology content power supply environment is provided for the signalling technique of rapid development；User demand for multiplicity mentions
For the use environment of highly reliable, high stable, high security.
But at present in existing railway signal switching module, due to can not achieve real-time monitoring and being switched fast, in electricity
It tends not to guarantee that signal power source is fast and accurately transmitted when source circuit breaks down, or even the problem of signal is obstructed can occur,
Great inconvenience is brought to railway traffic.
Summary of the invention
The shortcoming in the prior art being previously mentioned in technology based on the above background, the present invention provides a kind of iron thus
Road signal power source switching module.
The present invention overcomes the above technical problem by using following technical solution, specifically:
A kind of railway signal power source switching module, including being divided into the input module of two-way power supply, to two in input module
Monitoring module, the signal of road supply voltage current detecting connect the conversion module and connection conversion module of monitoring module, are used for
To the execution module that two-way on/off switches over, the switch electricity for connecting two-way power supply is provided in the input module
Road, switching circuit, which has, switches on and off two states；Have in the monitoring module and voltage and current is carried out to two-way power supply
The monitoring circuit of real-time detection, monitoring includes comparison unit in circuit.
As a further solution of the present invention: the two-way power supply mutual backup power supply in the input module, when electric all the way
It when source breaks down or is in inspecting state, is powered by another way power supply, when power supply all the way is powered, another way power supply is disconnected
It opens.
As further scheme of the invention: the switching circuit includes switching tube and the control with switching tube electric connection
Coremaking piece, switching circuit are logic gates or flip and flop generator.
As further scheme of the invention: there are two input port and an output ends for tool in the comparison unit
Mouthful, one of input port connection detection circuit and for by power circuit detected electric current and information of voltage carry out
Matched adaptation mould group, adaptation mould group pass through switching module linking parsing mould group.
As further scheme of the invention: the output port of the analysis module connection comparison unit, comparison unit
Another input port alarm device is connected by analysis module, wherein analysis module will be for will be adapted to electricity detected in mould group
Source circuit information and level threshold value compare and power circuit in each phase phase shortage situation.
As further scheme of the invention: the conversion module includes for receiving the power supply from monitoring module
Circuit signal and the amplifying unit amplified and the trigger unit for being used to trigger starting execution module.
As further scheme of the invention: the trigger unit is in normally open, and the connection of trigger unit signal is put
Big unit, amplifying unit make it be converted into closed form by normally open for being sent to trigger unit after amplifying alarm signal
State connects execution module.
As further scheme of the invention: being provided with feedback unit in the execution module, feedback unit connection is defeated
Enter the switch triggering end of each phase of two-way power circuit in module.
As further scheme of the invention: being additionally provided on the circuit that the input module is connected with feedback unit
Accumulative counting unit is carried out for starting execution module action frequency occurred to self-starting.
After using the above structure, the present invention compared to the prior art, has following advantages: the switching module is by inputting
The two-way power supply of two-way mutual backup power supply is set in module, cooperates the monitoring circuit in monitoring module to the confession in input module
Circuit carries out implementation monitoring, carries out implementing monitoring using the level threshold value in monitoring circuit and comparison unit, thus realization pair
Switching circuit in input module is controlled, and is had and is switched fast, effect alternative each other effectively prevent railway signal to transmit
The problem of not in time and being obstructed.
Detailed description of the invention
Fig. 1 is the structural block diagram of railway signal power source switching module.
Fig. 2 is the structural block diagram of preferred railway signal power source switching module.
Fig. 3 is that the inside of comparison unit in railway signal power source switching module is schemed in detail.
In figure: 100- input module；101- switching circuit；200- monitoring module；201- monitors circuit；202- comparison is single
Member；300- conversion module；301- amplifying unit；302- trigger unit；400- execution module；401- feedback unit.
Specific embodiment
A more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.Preferable reality of the invention is given in attached drawing
Apply mode.But the present invention can be realized with many different forms, however it is not limited to embodiments described herein.
Embodiment 1
Please refer to Fig. 1-3, in the embodiment of the present invention, a kind of railway signal power source switching module, railway signal power supply switching
Module is set in power lightning protection box, including being divided into the input module 100 of two-way power supply, to the two-way electricity in input module 100
Monitoring module 200, the signal of source measure voltage & current connect the conversion module 300 and connection conversion module of monitoring module 200
300, the execution module 400 for being switched over to two-way on/off, wherein two-way power supply mutual backup power supply, when all the way
Power failure or be in inspecting state when, be powered by another way power supply, correspondingly, power supply all the way be powered when, separately
Power supply disconnects all the way, prevents railway signal power supply from can not transmit, traffic is caused to be obstructed.
Specifically, it is provided with the switching circuit 101 for connecting two-way power supply in the input module 100, switchs
Circuit 101, which has, switches on and off two states, and corresponding input, output signal also have two states；Particularly, it opens
Powered-down road 101 includes switching tube and the control chip with switching tube electric connection, passes through switching tube and control chip constitutes oscillation
Circuit generates high-frequency impulse, and the high voltage direct current that high-voltage rectifying filter circuit generates is become high frequency pulse dc electricity, is sent to master
Transformer pressure-reducing becomes low-frequency pulse direct current.
It should be noted that said switching circuit 101 is the application of the prior art, logic gates or bistable state can be
Trigger.
Further, there is the monitoring that voltage and current real-time detection is carried out to two-way power supply in the monitoring module 200
Circuit 201, monitoring includes comparison unit 202 in circuit 201, and monitoring circuit 201 is in real time to the power supply electricity in two-way power circuit
Source electric current all the way and voltage are detected, and prevent electricity shortage from leading to signal transmitting not in time or being obstructed；
Preferably, there are two input port and an output port, one of input terminals for tool in the comparison unit 202
Mouthful connection detection circuit 201 and for by power circuit detected electric current with information of voltage progress is matched is adapted to mould
Group, for adaptation mould group by switching module linking parsing mould group, analysis module connects the output port of comparison unit 202, and comparison is single
Another input port of member 202 connects alarm device by analysis module, wherein analysis module is detected for that will be adapted in mould group
Power circuit information and level threshold value compare and power circuit in each phase phase shortage situation, allow power circuit
Electric current and voltage change within the scope of certain fluctuation amplitude, when the Current Voltage numerical value of power circuit exceeds level threshold value section
Or after phase shortage occurs, alarm signal is issued by alarm, plays security alarm function.
Embodiment 2
In order to which further above-mentioned railway signal power source switching module is explained, the present invention provides another implementation
Example, a kind of railway signal power source switching module, the conversion module 300 includes for receiving the electricity from monitoring module 200
Source circuit signal and the amplifying unit 301 amplified and the trigger unit 302 for being used to trigger starting execution module 400, wherein
Trigger unit 302 is in normally open, and 302 signal of trigger unit connects amplifying unit 301, when the Current Voltage number of power circuit
Value is beyond behind level threshold value section, and alarm issues alarm signal, while alarm signal is sent to modulus of conversion by monitoring module 200
Block 300, the amplifying unit in conversion module 300 are sent to trigger unit 302 after amplifying to alarm signal, make it by normally opened
Condition conversion is closed state, to connect execution module 400.
Still further, being provided with feedback unit 401 in the execution module 400, feedback unit 401 connects two-way power supply
The switch triggering end of each phase in circuit, to realize being switched fast between two-way power supply.
More specifically, being additionally provided on the circuit that the input module 100 is connected with feedback unit 401 for opening certainly
The dynamic action frequency occurred of execution module 400 that starts carries out accumulative counting unit, by counting unit in input module 100
The frequency that two-way power supply is switched is monitored, and when two-way power supply frequent switching, is certainly existed insecurity factor, is reminded maintenance
Personnel one by one overhaul two-way power circuit.
Only highly preferred embodiment of the present invention is described above, but is not to be construed as limiting the scope of the invention.This
Invention is not limited only to above embodiments, and specific structure is allowed to vary.In every case in the protection model of independent claims of the present invention
Interior made various change is enclosed to be within the scope of the invention.
Claims (9)
1. a kind of railway signal power source switching module, including being divided into the input module (100) of two-way power supply, to input module
(100) monitoring module (200), the signal of the two-way supply voltage current detecting in connect the conversion module of monitoring module (200)
(300) and the execution module (400) that conversion module (300) are used to switch over two-way on/off is connected, feature exists
In the interior switching circuit (101) being provided with for connecting two-way power supply of the input module (100), switching circuit (101) has
Switch on and off two states；Have in the monitoring module (200) and voltage and current real-time detection is carried out to two-way power supply
It monitors circuit (201), includes in monitoring circuit (201) comparison unit (202).
2. a kind of railway signal power source switching module according to claim 1, which is characterized in that the input module
(100) the two-way power supply mutual backup power supply in, when power failure all the way or when being in inspecting state, by another way power supply
It is powered, when power supply all the way is powered, another way power supply is disconnected.
3. a kind of railway signal power source switching module according to claim 1, which is characterized in that the switching circuit
(101) the control chip for including switching tube and being electrically connected with switching tube, switching circuit (101) are logic gates or bistable state
Trigger.
4. a kind of railway signal power source switching module according to claim 1, which is characterized in that the comparison unit
(202) tool is there are two input port and an output port in, one of input port connection detection circuit (201) and is used for
By electric current and the information of voltage in power circuit detected carry out it is matched be adapted to mould group, adaptation mould group passes through switching module company
Connect analysis module.
5. a kind of railway signal power source switching module according to claim 4, which is characterized in that the analysis module connection
Another input port of the output port of comparison unit (202), comparison unit (202) connects alarm device by analysis module,
In, analysis module is compared with level threshold value for will be adapted to power circuit information detected in mould group and power supply is electric
The phase shortage situation of each phase in road.
6. a kind of railway signal power source switching module according to claim 1, which is characterized in that the conversion module
(300) include for receive the power circuit signal from monitoring module (200) and the amplifying unit (301) that is amplified and
For triggering the trigger unit (302) of starting execution module (400).
7. a kind of railway signal power source switching module according to claim 6, which is characterized in that the trigger unit
(302) it is in normally open, trigger unit (302) signal connects amplifying unit (301), and amplifying unit (301) will be for that will alarm
Trigger unit (302) are sent to after signal amplification, it is made to be converted into closed state by normally open, are connected execution module (400).
8. a kind of railway signal power source switching module according to claim 1, which is characterized in that the execution module
(400) it is provided on feedback unit (401), feedback unit (401) connects each phase of two-way power circuit in input module (100)
Switch triggering end.
9. a kind of railway signal power source switching module according to claim 8, which is characterized in that the input module
(100) it is additionally provided on the circuit being connected with feedback unit (401) and is occurred for starting execution module (400) to self-starting
Action frequency carries out accumulative counting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769618.7A CN110492596A (en) | 2019-08-20 | 2019-08-20 | A kind of railway signal power source switching module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769618.7A CN110492596A (en) | 2019-08-20 | 2019-08-20 | A kind of railway signal power source switching module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110492596A true CN110492596A (en) | 2019-11-22 |
Family
ID=68552230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769618.7A Pending CN110492596A (en) | 2019-08-20 | 2019-08-20 | A kind of railway signal power source switching module |
Country Status (1)
| Country | Link |
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| CN (1) | CN110492596A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203205975U (en) * | 2013-04-28 | 2013-09-18 | 浙江现代电气有限公司 | Auto transfer switch controller |
| CN210839055U (en) * | 2019-08-20 | 2020-06-23 | 深圳市科安达轨道交通技术有限公司 | Railway signal power supply switching module |
-
2019
- 2019-08-20 CN CN201910769618.7A patent/CN110492596A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203205975U (en) * | 2013-04-28 | 2013-09-18 | 浙江现代电气有限公司 | Auto transfer switch controller |
| CN210839055U (en) * | 2019-08-20 | 2020-06-23 | 深圳市科安达轨道交通技术有限公司 | Railway signal power supply switching module |
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