CN104932482B - One kind exchange railway switch control circuit intelligent test device - Google Patents
One kind exchange railway switch control circuit intelligent test device Download PDFInfo
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- CN104932482B CN104932482B CN201510281752.4A CN201510281752A CN104932482B CN 104932482 B CN104932482 B CN 104932482B CN 201510281752 A CN201510281752 A CN 201510281752A CN 104932482 B CN104932482 B CN 104932482B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
Abstract
Railway switch control circuit intelligent test device is exchanged the invention discloses one kind, operation voltage and circuit of testing the phase sequence complete the detection of voltage signal and phase order relation between five lines, and the analog signalses of output are connected with micro controller system；Micro controller system is analyzed, judged the working condition of goat room inner control circuit to the voltage between five lines and phase order relation, and disk is indicated come control action analog circuit, expression analog circuit and operation button according to the working condition of goat room inner control circuit.Action simulation breadboardin exchange normal fixed turn of goat, it is normal, squeeze that trouble is fixed to be turned, squeeze trouble reversion；The positioning of expression analog circuit analog AC goat, antiposition, four open state；Action current detects circuit and represents that current detection circuit completes the detection of circuit system electric current.The beneficial effects of the invention are as follows there is provided can intelligent and fully test the intelligent apparatus of exchange railway switch control circuit, the efficiency of test is improved.
Description
Technical field
The invention belongs to railway signal control technical field, it is related to a kind of exchange railway switch control circuit intelligent testing trial assembly
Put.
Background technology
Five-wire system three-phase alternating current turn-out track equipment is had been widely used in speed-raising and high ferro circuit.Five-wire system exchanges goat
Control circuit as shown in figure 1, control circuit is main by representing that loop and control loop are constituted, control circuit by X1, X2,
X3, X4, X5 are connected with controlled goat, realize rotation control and the collection of location status to goat.The circuit structure
Complicated, trouble point is more.During daily operation, the malfunction elimination of five-wire system railway switch control circuit is by attendant's
, there is personnel qualifications height, malfunction elimination time length, difficulty in ability and experience.In newly-built circuit, five-wire system
Railway switch control circuit is all likely to occur mistake in design and fixing link, must be in advance to goat control to ensure smoothly to open
Circuit processed is sufficiently tested, and because circuit is limited etc., many reasons cause the installation of outdoor goat and indoor control device
Test often can not synchronously carry out, it is necessary to which special test carries out cooperation test.Coordinate the equipment of test can only letter at present
Fixed, the anti-behaviour of single simulation goat and fixed, antiposition represent function, it is impossible to which railway switch control circuit is sufficiently tested,
The problem of control circuit is present can not timely be found.So needing a kind of railway switch control circuit intelligent test device, improve
The efficiency and adequacy of test.
The content of the invention
Railway switch control circuit intelligent test device is exchanged it is an object of the invention to provide one kind, five-wire system is solved and turns
The malfunction elimination of rut machine control circuit relies on the ability and experience of attendant, when there is high personnel qualifications, malfunction elimination
Between it is long, the problem of difficulty is big.
The technical solution adopted in the present invention is to include micro controller system, operation voltage and circuit of testing the phase sequence, action
Analog circuit, action current detection circuit, represent analog circuit, represent current detection circuit, operation button state acquisition circuit,
Operation button indicates disk；Five line X1 of the operation voltage and circuit of testing the phase sequence and goat room inner control circuit, X2, X3,
X4, X5 are connected, and complete the detection of voltage signal and phase order relation between five lines, the analog signalses and micro controller system of output
It is connected；Micro controller system is analyzed the voltage between five lines and phase order relation, judges goat room inner control circuit
Working condition is turns, inverted, determines one kind between table, anti-table, five kinds of states of failure calmly, according to goat room inner control circuit
Working condition carrys out control action analog circuit, represents analog circuit and operation button instruction disk.The action simulation circuit, receives
The control instruction of micro controller system, normal fixed turn of analog AC goat, it is normal, squeeze that trouble is fixed to be turned, squeeze trouble reversion；The table
Show analog circuit, receive the control instruction of micro controller system, the positioning of analog AC goat, antiposition, four open state；It is described
Action current detects circuit, and the detection of execution electric current, its analog signals exported are inputted to micro controller system, micro-control
Device system processed judges the working condition of action simulation circuit in the inner control circuit of goat room according to the signal of input；The table
Show current detection circuit, complete to represent the detection of electric current, its analog signals exported is connected with micro controller system, microcontroller
Device system judges to represent the working condition of analog circuit in the inner control circuit of goat room according to the signal of input；The operation
Button state Acquisition Circuit, the collecting test human users setting simulation positioning of goat, antiposition, four open three kinds of information, adopt
Collection tester's operating and setting goat is normal rotation when rotating or squeezing trouble rotates two states information；The operation button
Indicate disk, completion receive operating personnel's setting simulation goat positioning, antiposition, four be when opening operation and rotation normal rotation or
Squeeze trouble rotating operation；The display directly perceived of diagnostic result is completed, diagnostic result is shown by LCDs.
Further, the operation voltage and circuit of testing the phase sequence between X1 and X2, between X1 and X3, between X1 and X4,
Voltage sensor is equipped between X1 and X5 and isolates operational amplifier, the output end of voltage sensor is connected to isolation computing and put
Big device, isolation operational amplifier output 0-5V analog signalses carry out computing to micro controller system for micro controller system
Analysis.
Further, the action simulation circuit is normal including simulation goat chop node relay, turn-out track electric motor
Simulated impedance, turn-out track electric motor during rotation squeeze simulated impedance when trouble is rotated；Goat is normally rotated by turning with crowded trouble
Relay is changed to connect different simulated impedances.
Further, X1, X2, X3 are connected to different current sensors from switching relay respectively, simulate goat chop
A current sensor is connected between the relay of node, the output of each current sensor is connected to an isolation operation amplifier
Device, the signal of isolation operational amplifier output is inputted to micro controller system.
The beneficial effects of the invention are as follows there is provided can be intelligent and fully test exchanges the intelligence of railway switch control circuit
Energy device, improves the efficiency of test.
Brief description of the drawings
Fig. 1 is a kind of exchange railway switch control circuit；
Fig. 2 is present invention exchange railway switch control circuit intelligent test device structural representation；
Fig. 3 exchanges the circuit theory diagrams of railway switch control circuit intelligent test device for the present invention；
Fig. 4 is the voltage sensor between X1 and X2 and isolates operation amplifier circuit connection diagram；
Fig. 5 is the voltage sensor between X1 and X3 and isolates operation amplifier circuit connection diagram；
Fig. 6 is the voltage sensor between X1 and X4 and isolates operation amplifier circuit connection diagram；
Fig. 7 is the voltage sensor between X1 and X5 and isolates operation amplifier circuit connection diagram；
Fig. 8 is X1 and K3 connection current sensors to corresponding isolation operation amplifier circuit connection diagram；
Fig. 9 is X2 and K3 connection current sensors to corresponding isolation operation amplifier circuit connection diagram；
Figure 10 is X3 and K3 connection current sensors to corresponding isolation operation amplifier circuit connection diagram；
Figure 11 is connected to isolation fortune for the current sensor output between relay K1, K2 of simulation goat chop node
Calculate amplifier circuit connection diagram；
Figure 12 indicates disk schematic diagram for operating personnel's button of exchange railway switch control circuit intelligent test device；
Figure 13 is the button Acquisition Circuit schematic diagram of exchange railway switch control circuit intelligent test device.
Embodiment
With reference to embodiment, the present invention is described in detail.
Fig. 1 is a kind of exchange railway switch control circuit, and exchange railway switch control circuit intelligent test device of the invention is such as
Shown in Fig. 2, including micro controller system 1, operation voltage and circuit of testing the phase sequence 2, action simulation circuit 3, expression analog circuit
4th, action current detection circuit 5, expression current detection circuit 6, operation button state acquisition circuit 7, operating personnel's operation button
Indicate disk 8.
As shown in figure 3, operation voltage and circuit of testing the phase sequence 2 include voltage sensor 2-1, X1 and X3 between X1 and X2
Between voltage sensor 2-2, X1 and X4 between voltage sensor 2-3, X1 and X5 between voltage sensor 2-4 and four groups
Isolate operational amplifier Fig. 4, Fig. 5, Fig. 6, Fig. 7, voltage sensor 2-1,2-2,2-3,2-4 output end are respectively connecting to correspondence
Isolation operational amplifier Fig. 4, Fig. 5, Fig. 6, Fig. 7, isolation operational amplifier output 0-5V analog signalses input to micro-control
The pin with analog-digital conversion function of device system processed.
Action simulation circuit 3 include simulation goat chop node relay K1 (including K1B, K1C, K1D, K1F,
K1G), K2 (bag K2C, K2D, K2E, K2F, K2G)；Simulated impedance R1, R2, R3 during turn-out track electric motor normal rotation；Turn-out track
Electric motor squeezes simulated impedance R4, R5, R6 when trouble is rotated；Goat normally with it is crowded trouble rotate switching relay K3 (including
K3E、K3F、K3G).K1 and K2 are that the pcb board with two groups of normally closed contact C, D, three groups of normal opened contacts E, F, G carries electromagnetism relay
Device, K3 is that the pcb board with 3 groups of forward and backward contacts carries electromagnetic relay B, C, D.X1 and K3 is connected to current sensor 2-5, X2
Current sensor 2-6, X3 and K3 are connected to by simulating goat chop node company by simulating goat chop node with K3
It is connected to current sensor 2-7.Current sensor 2-5,2-6,2-7 output end are respectively connecting to corresponding isolation operational amplifier
Fig. 8, Fig. 9, Figure 10.Current sensor 2-8, current sensor are connected between relay K1, K2 for simulating goat chop node
Output be connected to isolation operational amplifier Figure 11.The signal of isolation operational amplifier Fig. 4 outputs is inputted to micro controller system
The pin with analog-digital conversion function.Detect room inner control circuit ON Action power supply, CPU action chop nodes K3F,
K3G, K3E, K2F are connected, and the rotating manner selected according to operating personnel, which connects normal rotation artifical resistance or squeezes trouble, rotates simulation
Resistance.Voltage sensor 2-1,2-2,2-3,2-4 measure operation voltage, and current sensor 2-5,2-6,2-7 measure action current,
The current curve collected is plotted on guidance panel by CPU.
Represent analog circuit 4, the positioning of analog AC goat, antiposition, four open state.Room inner control circuit is detected to connect
Logical normal indication power supply, CPU action chop nodes K3F, K3G, K2C, K1B, K2D, K1D are connected, and connect normal indication circuit；Inspection
Measure room inner control circuit connection antiposition and represent power supply, CPU action chop nodes K3F, K3G, K2C, K1B, K2D, K1D are connected,
Connect antiposition indication circuit.As shown in figure 4, it represents that size of current, direction deliver to microprocessor system after sensor 2-8 measurements
System.
Action current detects circuit 5 as shown in figure 3, current sensor 2-5,2-6,2-7 two pins access goat
In actuating circuit, size, direction for measuring action current.Current sensor 2-5,2-6,2-7 two other pin connect
Enter current detection circuit, as shown in Fig. 8, Fig. 9, Figure 10, its analog signals exported is converted, its is defeated by dual-stage amplifier
The analog signalses gone out are connected with the pin of micro controller system 1, and micro controller system carries out A/D to the analog signal of input and turned
Change, draw action current curve.
Represent current detection circuit 6 as shown in figure 3, sensor 2-8 two pins be serially connected in expression analog circuit in, use
Size, the direction of electric current are represented in measurement.Current sensor 2-8 two other pin access current detection circuit, such as Figure 11
Shown, its analog signals exported is converted by dual-stage amplifier, its analog signals exported and micro controller system 1
Pin be connected, micro controller system carries out outputting measurement value after A/D conversions to the analog signal of input.
A kind of described exchange railway switch control circuit intelligent tester, described operation button state acquisition circuit 7, such as
Shown in Figure 12, the collecting test human users setting simulation positioning of goat, antiposition, four open three kinds of information, collecting test people
Member's operating and setting goat is normal rotation when rotating or squeezing trouble rotates two states information.When some nonstick button by by
When lower, CPU can collect a low level, so as to collect the action that button is pressed, then perform corresponding action.If pressed
Button is toggle switch, and CPU can then collect a level saltus step, so as to collect the setting of operating personnel to perform corresponding behaviour
Make.
A kind of described exchange railway switch control circuit intelligent tester, described operating personnel's operation button indicates disk 8,
As shown in figure 13, it is normal when opening operating and setting and rotating to complete to receive operating personnel's setting simulation goat positioning, antiposition, four
Rotate or squeeze the operating and setting that trouble rotates two states；Draw goat action current curve；Display action voltage swing, phase
Sequence；Provide expression size of current, direction；Provide track switch current state；Provide the display directly perceived of diagnostic result.
The operation principle of present system：
Goat simulation it is fixed turn or Umklapp process in operation voltage, phase sequence between measurement X1 and X2, X5 or X1 and X3, X4
It is whether correct.Correct explanation goat actuating circuit is normal；If the incorrect diagnostic result for providing phase shortage or phase order relation mistake.
After goat stops operating, represent whether voltage is correct between measurement X1 and X2, X4 or between X1 and X3, X5.Nothing
Voltage explanation represents that power supply does not access circuit, provides broken string diagnostic result；Voltage is incorrect, and no expression electric current explanation represents transformation
Device is reversed, provides diagnostic result.
After goat stops operating, measurement X1 and X2, X4 between or X1 and X3, X5 between the sense of current, size whether just
Really.Correct explanation switch machine indication circuit is normal；Need to be determined whether with reference to other diagnostic results if incorrect, such as
Now no current and actuating circuit phase shortage then represent actuating circuit broken string or rosin joint, provide diagnostic result；Such as now no current but
Represent that voltage is normal, illustrate that DBJ or FBJ are reversed, provide diagnostic result.
After goat stops operating, operation voltage, expression voltage, expression electric current are normal, but the action current collected
Abnormal such as drift or abnormal spike, illustrate mix line fault, provide diagnostic result.
Specifically, micro controller system includes a piece of intelligent singlechip chip AT90CAN128.Micro controller system is gathered
Foregoing electric current, voltage signal, analyze for Intelligent Measurement software processing through analog-to-digital conversion, judge the work shape of room inner control circuit
State, and diagnosis provides display.Intelligent detecting method is：
Voltage, phase sequence between 1 measurement X1 and X2, X3, X4, X5.If exchanging 380V voltages between X1 and X2, X1 and X5
And phase sequence is correct, then illustrates that indoor execution turns operation surely, be transferred to 2.If exchanging 380V voltages and phase between X1 and X3, X1 and X4
Sequence is correct, then illustrates indoor execution reverse turn operation, be transferred to 3.If X1 and X2 have 380V voltages, but do not have voltage between X1 and X5,
Then judge X5 disconnection faults；If X1 and X5 there are 380V voltages, but does not have voltage between X1 and X2, then X2 disconnection faults are judged；If
X1 and X3 have 380V voltages but do not have voltage between X1 and X4, then judge X4 disconnection faults；If X1 and X4 have 380V voltages but
There is no voltage between X1 and X3, then judge X3 disconnection faults.If phase sequence mistake, judge that the phase sequence of plant-grid connection is incorrect, tie
Beam.
2 detect indoor execution turns after operation surely, and CPU action chop nodes K3F, K3G, K3E, K2F are connected, and judge " to turn
Whether dynamic model formula " is " normal rotation " pattern, is that " normal rotation " then acts K4 access simulation goat normal rotation simulation electricity
R1, R2, R3 are hindered, otherwise K4 accesses goat and squeezes trouble action simulation resistance R4, R5, R6.Measure the action electricity on current sensor
Stream, simulation goat is rotated after 3s, is transferred to 4.
3 are detected after indoor carry out reverse turn operation, and CPU action chop nodes K3F, K3E, K1D, K1C are connected, and judge " to turn
Whether dynamic model formula " is " normal rotation " pattern, is that " normal rotation " then acts K4 access simulation goat normal rotation simulation electricity
R1, R2, R3 are hindered, otherwise K4 accesses goat and squeezes trouble action simulation resistance R4, R5, R6.Measure the action electricity on current sensor
Stream, simulation goat is rotated after 3s, is transferred to 5.
4 simulations are fixed to be turned after terminating, and CPU action chop nodes K3F, K3G, K2C, K1B, K2D, K1D are connected, and connect positioning table
Show circuit, the expression voltage between measurement X1 and X2, X1 and X4, current sensor 2-8 measurements represent electric current.If X1 and X2, X1
Without voltage is represented between X4, judge to represent that power supply does not access circuit.If having normal expression voltage, X1 and X4 between X1 and X2
Between no-voltage, judge X4 break.If there is normal expression voltage between X1 and X4, no-voltage between X1 and X2 judges that X2 breaks.
If there is the expression voltage of normal size between X1 and X2, X1 and X4, but without electric current is represented on current sensor, judge to represent to become
Depressor is reversed.If it is correct to measure expression voltage alternating current-direct current component size, in the right direction, simulation goat normal indication letter is provided
Breath, is transferred to 6.
After 5 simulation reversions terminate, CPU action chop nodes K3F, K3G, K2C, K1B, K2D, K1D are connected, and connect antiposition table
Show circuit, the expression voltage between measurement X1 and X3, X1 and X5, current sensor 2-8 measurements represent electric current.If X1 and X3, X1
Without voltage is represented between X5, judge to represent that power supply does not access circuit.If having normal expression voltage, X1 and X5 between X1 and X3
Between no-voltage, judge X5 break.If there is normal expression voltage between X1 and X5, no-voltage between X1 and X3 judges that X3 breaks.
If there is the expression voltage of normal size between X1 and X3, X1 and X5, but without electric current is represented on current sensor, judge to represent to become
Depressor is reversed.If it is correct to measure expression voltage alternating current-direct current component size, in the right direction, provides simulation goat antiposition and represent letter
Breath, is transferred to 6.
6 current sensor measurements represent whether the sense of current, size are correct.If representing sense of current mistake, but represent electricity
Positive pressure often, illustrates that DBJ or FBJ are reversed, provides diagnostic result.If now representing size of current, in the right direction, diagnosis is transferred to 7.
7 diagnostic action voltages, represent voltage, represent that electric current is normal, but the action current that collects it is abnormal such as drift or
Abnormal spike, illustrates mix line fault, provides diagnostic result.
The whether correct mistake of distribution of outer control circuit and indication circuit in current construction of railways personnel checking goat room
, it is necessary to goat material object access circuit be carried out into on-the-spot test, this method wastes time and energy in journey.And access goat material object and enter
During row test, many malfunctions need workmen's analysis to draw fault diagnosis, less efficient.The invention provides one kind just
The railway switch control circuit intelligent tester taken, simulating can be fast after the operation principle of five-wire system goat, Access Control circuit
It is fast, directly perceived to provide fault point position, site operation person works amount is reduced, operating efficiency is improved.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (4)
1. one kind exchange railway switch control circuit intelligent test device, it is characterised in that：Including micro controller system, action electricity
Pressure and circuit of testing the phase sequence, action simulation circuit, action current detection circuit, expression analog circuit, expression current detecting electricity
Road, operation button state acquisition circuit, operation button indicate disk；The operation voltage and circuit of testing the phase sequence and goat room
Five line X1, X2, X3, X4, X5 of inner control circuit are connected, and complete the detection of voltage signal and phase order relation between five lines, output
Analog signalses be connected with micro controller system；Micro controller system is divided the voltage between five lines and phase order relation
Analyse, judge the working condition of goat room inner control circuit calmly to turn, invert, determine between table, anti-table, five kinds of states of failure
One kind, according to the working condition of goat room inner control circuit come control action analog circuit, represent analog circuit and operate by
Button indicates disk；The action simulation circuit, receives the control instruction of micro controller system, and the normal of analog AC goat is determined
Turn, it is normal, squeeze that trouble is fixed to be turned, squeeze trouble reversion；The expression analog circuit, receives the control instruction of micro controller system, and simulation is handed over
The positioning of stream goat, antiposition, four open state；The action current detects circuit, the detection of execution electric current, its output
Analog signalses input to micro controller system, micro controller system judged according to the signal of input in goat room control
The working condition of action simulation circuit in circuit processed；The expression current detection circuit, completes to represent the detection of electric current, its is defeated
The analog signalses gone out are connected with micro controller system, and micro controller system is judged according to the signal of input in goat room
Control the working condition of expression analog circuit in circuit；The operation button state acquisition circuit, collecting test human users
The setting simulation positioning of goat, antiposition, four open three kinds of information, and collecting test human users are when setting goat is rotated
Normal rotation still squeezes trouble and rotates two states information；The operation button indicates disk, and completion receives operating personnel's setting mould
The positioning of plan goat, antiposition, four are normal rotation when opening operation and rotation or squeeze trouble rotating operation；Complete diagnostic result
Display directly perceived, diagnostic result is shown by LCDs.
2. according to a kind of exchange railway switch control circuit intelligent test device described in claim 1, it is characterised in that：It is described dynamic
Make voltage and circuit of testing the phase sequence and be equipped with voltage between X1 and X2, between X1 and X3, between X1 and X4, between X1 and X5
Sensor and isolation operational amplifier, the output end of voltage sensor are connected to isolation operational amplifier, isolate operational amplifier
0-5V analog signalses are exported to micro controller system, operational analysis is carried out for micro controller system.
3. according to a kind of exchange railway switch control circuit intelligent test device described in claim 1, it is characterised in that：It is described dynamic
Simulated impedance, turn-out track when making analog circuit including simulation goat chop node relay, turn-out track electric motor normal rotation
Electric motor squeezes simulated impedance when trouble is rotated；Goat normally rotates from crowded trouble and connects different by switching relay
Simulated impedance.
4. according to a kind of exchange railway switch control circuit intelligent test device described in claim 1, it is characterised in that：The X1,
X2, X3 are connected to different current sensors from switching relay respectively, and the relay for simulating goat chop node is indirectly
There is a current sensor, the output of each current sensor is connected to an isolation operational amplifier, isolates operational amplifier
The signal of output is inputted to micro controller system.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226625B (en) * | 2016-08-02 | 2023-10-31 | 浙江虎霸建设机械有限公司 | Automatic diagnosis device for electric system of tower crane and use method thereof |
| CN106708018A (en) * | 2016-12-26 | 2017-05-24 | 兰州安信铁路科技有限公司 | Portable type direct current switch machine control circuit intelligent testing device and portable type direct current switch machine control circuit intelligent testing method |
| CN106655789B (en) * | 2017-01-13 | 2019-05-31 | 阳光电源股份有限公司 | Isolation type DC-DC converter and its control method and control system |
| CN107600108B (en) * | 2017-08-31 | 2019-05-07 | 绵阳市维博电子有限责任公司 | The contactless exchange point machine of one kind determines antiposition detection method |
| CN108761226A (en) * | 2018-04-02 | 2018-11-06 | 浙江众合科技股份有限公司 | A kind of circuit and method for realizing three-phase alternating current five-wire system goat analog simulation |
| CN109872593B (en) * | 2019-02-21 | 2023-11-07 | 卡斯柯信号有限公司 | Electronic simulation device for five-wire alternating current switch machine |
| CN111208381B (en) * | 2020-04-17 | 2020-09-08 | 北京全路通信信号研究设计院集团有限公司 | Switch machine simulation circuit, device and method |
| CN113110404B (en) * | 2021-05-26 | 2023-08-11 | 四川都睿感控科技有限公司 | Device for independently simulating alternating current switch machine and application method thereof |
| CN113805560B (en) * | 2021-08-13 | 2023-05-23 | 交控科技股份有限公司 | Switch monitoring device and method applied to eight-wire switch control circuit |
| CN114399942B (en) * | 2022-02-18 | 2023-09-05 | 浙江众合科技股份有限公司 | Three-phase five-wire system turnout board card simulation circuit capable of automatically switching representation |
| CN116859170A (en) * | 2023-09-01 | 2023-10-10 | 兰州大成铁路信号有限公司 | Full-electronic execution unit five-wire turnout module representation function testing device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201354082Y (en) * | 2008-11-22 | 2009-12-02 | 兰州大成自动化工程有限公司 | Device for controlling three-phase alternating current switching machine |
| CN101893667B (en) * | 2010-05-26 | 2012-12-12 | 广州市地下铁道总公司 | Fault detection system of AC turnout switch machine and method thereof |
| CN202693707U (en) * | 2012-07-25 | 2013-01-23 | 中铁十局集团电务工程有限公司 | Portable test device for alternating current switch machine |
| CN102778620A (en) * | 2012-07-25 | 2012-11-14 | 中铁十局集团电务工程有限公司 | Portable test device for alternating-current turnout switch machines |
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