CN112014675B - Detection circuit and detection device of automatic passing neutral section system - Google Patents
Detection circuit and detection device of automatic passing neutral section system Download PDFInfo
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- CN112014675B CN112014675B CN202010908812.1A CN202010908812A CN112014675B CN 112014675 B CN112014675 B CN 112014675B CN 202010908812 A CN202010908812 A CN 202010908812A CN 112014675 B CN112014675 B CN 112014675B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/008—Testing of electric installations on transport means on air- or spacecraft, railway rolling stock or sea-going vessels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
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Abstract
The present disclosure provides a detection circuit and a detection device of an automatic passing neutral section system, the detection circuit includes: the first switch unit is configured to convert the power supply of the input end into a first parameter power supply and output the first parameter power supply from the output end after being closed; the second switch unit is configured to convert the power supply of the input end into a second parameter power supply and output the second parameter power supply from the output end after being closed; the vehicle induction coil signal simulation unit is connected with the output end of the first switch unit and is configured to simulate an input signal of the vehicle induction coil to the automatic passing neutral section system; the vehicle induction coil fault simulation unit is connected with the output end of the second switch unit, and when the vehicle induction coil fault is simulated, the second switch unit is disconnected with the automatic passing phase separation system; when the simulated car induction coil has no fault, the second switch unit and the automatic passing phase separation system are conducted in response to the input signal; the detection unit is connected with the output end of the first switch unit and is used for acquiring an output signal of the automatic passing phase separation system and outputting a matched detection signal according to the output signal.
Description
Technical Field
The disclosure relates to the technical field of locomotives, in particular to a detection circuit and a detection device of an automatic passing neutral section system.
Background
Currently, the automatic passing neutral section system of an assembled locomotive has a plurality of models and a plurality of suppliers. The detection and maintenance equipment is large in size and complex in operation. The key detection and maintenance processes are mastered by the manufacturers, and a great bottleneck is brought to the detection and maintenance work of the automatic passing neutral section system. The customer demands of long distance between each manufacturer and the user, need to return to the factory for maintenance, short maintenance period without getting off, and the like cannot be met.
Under the background, the portable easy operation satisfies the check out test set that the car was overhauld under the car simultaneously and becomes to overhaul actual needs.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
The application aims to provide a detection circuit and a detection device of an automatic passing neutral section system, which improve the test efficiency and the readiness of the passing neutral section system function.
According to one aspect of the present disclosure, there is provided a detection circuit of an auto-passing neutral section system, the detection circuit comprising:
the first switch unit is configured to convert the power supply of the input end into a first parameter power supply and output the first parameter power supply from the output end after being closed;
the second switch unit is configured to convert the power supply of the input end into a second parameter power supply and output the second parameter power supply from the output end after being closed;
the vehicle induction coil signal simulation unit is connected with the output end of the first switch unit and is configured to simulate an input signal of the vehicle induction coil to the automatic passing neutral section system;
the vehicle-sensing coil fault simulation unit is connected with the output end of the second switch unit, and when the vehicle-sensing coil fault is simulated, the second switch unit is disconnected from the automatic passing phase separation system; when the simulated car induction coil has no fault, the simulated car induction coil is used for responding to the input signal to conduct the second switch unit and the automatic passing phase separation system;
the detection unit is connected with the output end of the first switch unit, and after the input signal is judged by the logic of the automatic phase-splitting system, the detection unit is used for acquiring the output signal of the automatic phase-splitting system and outputting a matched detection signal according to the output signal.
In an exemplary embodiment of the present disclosure, the detection circuit further includes:
and the power supply unit is connected with the input ends of the first switch unit and the second switch unit, and the first switch unit is connected with the input end of the second switch unit in parallel.
In an exemplary embodiment of the present disclosure, the detection circuit further includes:
the first power supply indicator lamp is connected with the output end of the first switch unit in parallel and is configured to display the switch state of the first switch unit;
and the second power indicator lamp is connected with the output end of the second switch unit in parallel and is configured to display the switch state of the second switch unit.
In an exemplary embodiment of the present disclosure, the detection circuit further includes:
and the locomotive running direction simulation unit is connected with the output end of the first switch unit and is used for simulating the running direction of the locomotive and outputting running direction signals matched with different running directions.
In an exemplary embodiment of the present disclosure, the detection circuit further includes:
and the first indicator lamp unit is connected with the locomotive running direction simulation unit and is used for lighting an indicator lamp corresponding to the locomotive running direction.
In one exemplary embodiment of the present disclosure, the vehicle induction coil signal simulation unit includes:
the plurality of groups of click buttons and the intermediate relay control coil are respectively connected with the first switch unit in parallel, and the click buttons in each group are connected with the intermediate relay control coil in series.
In one exemplary embodiment of the present disclosure, the vehicle induction coil fault simulation unit includes:
the plurality of groups of self-locking buttons and the first intermediate relay are respectively connected with the second switch unit in parallel, and the self-locking buttons in each group are connected with the first intermediate relay control coil in series.
In an exemplary embodiment of the present disclosure, the detection circuit further includes:
and the input end of the second indicator lamp unit is connected with a power supply and is used for responding to the input signal to be lightened.
In one exemplary embodiment of the present disclosure, the second indicator light unit includes:
the plurality of groups of second intermediate relays and the indicating lamps are respectively connected with the second switch units in parallel, and the second intermediate relays in each group are connected with the indicating lamps in series.
According to one aspect of the present disclosure, there is also provided a detection device of an auto-passing neutral section system, the detection device comprising the detection circuit of the auto-passing neutral section system.
According to the detection circuit of the automatic passing neutral section system, the first switch unit and the second switch unit are connected with power supplies, the first parameter power supply and the second parameter power supply with two different parameters can be provided, after the vehicle sensing coil signal simulation unit is connected through the first switch unit, the vehicle sensing coil can simulate the input signals of the vehicle sensing coil to the automatic passing neutral section system, when the vehicle sensing coil fault simulation unit simulates the vehicle sensing coil to be fault-free, the vehicle sensing coil fault simulation unit responds to the input signals to conduct the second switch unit and the automatic passing neutral section system, the automatic passing neutral section system to be detected can receive the electric signals of the second switch unit, the automatic passing neutral section system to be detected feeds the output signals back to the detection unit after logic judgment is carried out according to the input electric signals, and the detection unit outputs matched detection signals according to the output signals, so that whether the functions of the automatic passing neutral section system of a locomotive are normal or not can be directly judged according to the detection signals output by the detection unit.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. It will be apparent to those of ordinary skill in the art that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived from them without undue effort.
FIG. 1 is a schematic diagram of a detection circuit provided by an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a detection circuit provided by an embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2;
fig. 5 is a schematic diagram of an electrical device arrangement in a detection apparatus according to an embodiment of the disclosure;
FIG. 6 is a front view of a detection device provided by an embodiment of the present disclosure;
FIG. 7 is a rear view of a detection device provided by an embodiment of the present disclosure;
fig. 8 is a right side view of a detection device provided by an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements other than the listed elements; the terms "first" and "second" are used merely as labels, and do not limit the number of their objects.
The inventor finds that the existing test equipment in the market has huge size, complex operation and high value, belongs to ground equipment, and cannot meet urgent requirements of maintenance without getting off and self-repairing. By researching and analyzing the composition and working principle of the automatic passing neutral section system, a method for testing the functions of the automatic passing neutral section system and a portable testing device are researched, so that urgent demands are met, the overhaul efficiency can be greatly improved, and the overhaul cost can be reduced.
Embodiments of the present disclosure first provide a detection circuit of an auto-passing neutral section system, as shown in fig. 1, comprising: the device comprises a first switch unit 100, a second switch unit 200, a vehicle-sensing coil signal simulation unit 300, a vehicle-sensing coil fault simulation unit 400 and a detection unit 500. The first switch unit 100 is configured to convert the power at the input end into a first parameter power and output the first parameter power from the output end after being closed; the second switch unit 200 is configured to convert the power of the input terminal into a second parameter power and output the second parameter power from the output terminal after being closed; the vehicle induction coil signal simulation unit 300 is connected to the output terminal of the first switch unit 100 and is configured to simulate the input signal of the vehicle induction coil to the auto-passing neutral section system 600; the car induction coil fault simulation unit 400 is connected with the output end of the second switch unit 200, and when the car induction coil fault is simulated, the second switch unit 200 is disconnected with the auto-passing neutral section system 600; when the analog car induction coil has no fault, the analog car induction coil is used for responding to the input signal to conduct the second switch unit 200 and the auto-passing neutral section system 600; the detection unit 500 is connected to the output terminal of the first switch unit 100, and after the input signal is logically determined by the auto-passing neutral section system 600, the detection unit 500 is configured to obtain the output signal of the auto-passing neutral section system 600, and output a matched detection signal according to the output signal.
According to the detection circuit of the automatic passing neutral section system, after the first switch unit 100 and the second switch unit 200 are connected with power supplies, a first parameter power supply and a second parameter power supply with two different parameters can be provided, after the vehicle-sensing coil signal simulation unit 300 is connected through the first switch unit 100, an input signal of the vehicle-sensing coil to the automatic passing neutral section system 600 can be simulated, when the vehicle-sensing coil fault simulation unit 400 simulates that the vehicle-sensing coil is fault-free, the vehicle-sensing coil fault simulation unit 400 responds to the input signal to conduct the second switch unit 200 with the automatic passing neutral section system 600, the automatic passing neutral section system 600 to be detected can receive an electric signal of the second switch unit 200, the automatic passing neutral section system 600 to be detected feeds back an output signal to the detection unit 500 after being judged according to the logic of the input electric signal, and the detection unit 500 outputs a matched detection signal according to the output signal, so that whether the function of the automatic passing neutral section 600 of a locomotive is normal can be directly judged according to the detection signal output by the detection unit 500, the whole test process is simple to operate, and the test result shows visual and clear test efficiency and accuracy are improved.
In addition, the electrical components of the detection circuit are compact in structure, portable and easy to operate, the electrical devices used by the products belong to market products, the later maintenance cost is low, the detection and overhaul of the functions of the automatic passing neutral section system of different manufacturers and different models can be met, the detection and overhaul requirements of the vehicles on the vehicles are met, the overhaul cost of the components is reduced, the overhaul efficiency is greatly improved, the hidden danger of the quality of the automatic passing neutral section system is eliminated, and the locomotive performance is ensured. The automatic passing phase separation system automatic repairing purpose is realized. According to the average cost of 0.3 ten thousand per saving commission external repair, 50 locomotives are overhauled for example all year round, and 15 ten thousand saving is expected. Man-hour aspect: the average time of each trolley is saved by 120 hours outside the commission, 50 locomotives are taken as an example all year round, 6000 hours are expected to be saved, the maintenance efficiency is greatly improved, and the total requirement of cost reduction and efficiency enhancement of the current locomotives is met.
As shown in fig. 1, the detection circuit further includes: a power supply unit 700. The power supply unit 700 is connected to the input terminals of the first and second switching units 100 and 200, and the first switching unit 100 is connected in parallel to the input terminal of the second switching unit 200. The detection circuit can directly utilize the internal power supply to supply power by arranging the power supply unit 700, so that the connection with the external power supply is avoided, the portability of the detection circuit is improved, and the stable power supply can be ensured to be provided by arranging the power supply unit 700, so that the reliability of the detection circuit is improved.
Specifically, the power supply unit 700 may be a 220V power frequency power supply, and fuses FU1 and FU2 (10A) may be connected in series in a main circuit at an output end, so as to play a role in overcurrent protection. The first switching unit 100 (switching power supply 1) of 220AC-110VDC and the second switching unit 200 (switching power supply 2) of 220AC-3.5VDC are connected in parallel in the main circuit of the output terminal to supply power to the auto-passing neutral section system 600, the vehicle-sensing coil signal simulation unit 300 and the vehicle-sensing coil fault simulation unit 400 respectively. In addition, an indicator lamp HL0 may be connected in parallel to the main circuit at the output end of the power unit 700 to indicate whether the power unit 700 is operating normally.
In addition, the first and second switching units 100 and 200 may be externally connected with an external power source, which is connected with the first and second switching units 100 and 200 through the switch SB0, and the power source may be turned on and off by controlling the switch SB 0.
Wherein, 110V power supplies power for the auto-passing neutral section system 600, the car induction coil signal simulation unit 300 and the detection unit 500, and 3.5V power supplies power for the car induction coil fault simulation unit 400.
As shown in fig. 2 to 4, the detection circuit further includes: a first power indicator lamp HL5 and a second power indicator lamp HL10. The first power indicator lamp HL5 is connected in parallel with the output end of the first switch unit 100 and is configured to display the switch state of the first switch unit 100; the second power indicator lamp HL10 is connected in parallel with the output end of the second switch unit 200 and is configured to display the switch state of the second switch unit 200, and the two switch units are both provided with on-off indicator lamps, so that whether the feedback 110VDC and the feedback 3.5VDC are normal or not can be seen clearly.
Specifically, the detection circuit further includes: the locomotive running direction simulation unit is connected with the output end of the first switch unit and is used for simulating the running direction of the locomotive and outputting running direction signals matched with different running directions. The auto-passing neutral section system of the locomotive receives the running direction signal, thereby realizing the simulation of the running direction of the locomotive.
Wherein the detection circuit further comprises: a first indicator light unit. The first indicator light unit is connected with the locomotive running direction simulation unit and used for lighting an indicator light corresponding to the locomotive running direction. By arranging the first indicator lamp unit, the simulated running direction of the locomotive can be clearly and directly judged.
As shown in fig. 2 and 3, the locomotive running direction simulation unit comprises a rotary switch S1, the rotary switch S1 (three-position two-normally open) is operated to simulate the forward or backward running state of the locomotive, the simulated running direction of the locomotive is fed back through the status indicator lamps HL3 and HL4, each test action has a corresponding indicator lamp feedback state, the whole test process is ensured to be simple and visual, and the test efficiency and accuracy are improved. The rotary switch S1 is configured to turn on the contact 1 and the contact 2 and to turn off the contact 3 and the contact 4, or to turn off the contact 3 and the contact 4 and to turn off the contact 1 and the contact 2.
Specifically, the vehicle-sensing coil signal simulation unit includes: a plurality of groups of click buttons and an intermediate relay control coil. The plurality of groups of click buttons and the intermediate relay control coil are respectively connected with the first switch unit in parallel, and the click buttons in each group are connected with the intermediate relay control coil in series.
As shown in fig. 2 and 3, four groups of click buttons and intermediate relay control coils are provided to respectively simulate two groups of vehicle sensing coils when the locomotive runs forwards or backwards, and the SB1, SB2, SB3 and SB4 click buttons are respectively connected in series with the KA1, KA2, KA3 and KA4 intermediate relay control coils, so that the vehicle sensing coils can be simulated to input signals to the auto-passing neutral section system by operating the 4 click buttons.
In one exemplary embodiment of the present disclosure, a vehicle induction coil fault simulation unit includes: the plurality of groups of self-locking buttons and the first intermediate relay are respectively connected with the second switch unit in parallel, and the self-locking buttons in each group are connected with the first intermediate relay control coil in series.
As shown in fig. 2-4, four groups of self-locking buttons and a first intermediate relay are arranged, the self-locking buttons of B5, SB6, SB7 and SB8 are respectively connected in series with the intermediate relays of KA1', KA2', KA3', KA4', and the fault output state of the induction coil of the vehicle is simulated by operating the on-off of the self-locking buttons of SB5, SB6, SB7 and SB 8. The intermediate relays of KA1', KA2', KA3', KA4' are respectively closed in response to the intermediate relay control coils of KA1, KA2, KA3 and KA 4.
The locomotive is through setting up two sets of car sense coil from beginning to end, and every group car sense coil includes two car sense coils, has four car sense coils of T1, T2, T3, T4, and SB1, SB2, SB3, SB4 that this disclosure provided click the button and simulate car sense coil T1, T2, T3, T4 input signal respectively, SB5, SB6, SB7, SB8 auto-lock button simulate T1, T2, T3, T4 input fault signal respectively, and knob switch S1 is through rotatory switching on 110V power simulation locomotive forward and backward analog input respectively, simulation locomotive running direction.
Specifically, the detection circuit further includes: and the input end of the second indicator light unit is connected with a power supply and is used for being lightened in response to an input signal.
Wherein the second indicator light unit includes: the plurality of groups of second intermediate relays and the indicating lamps are respectively connected with the second switch units in parallel, and the second intermediate relays in each group are connected with the indicating lamps in series. As shown in fig. 2-4, four groups of second intermediate relays and indicator lamps are provided, wherein the intermediate relays of KA1', KA2', KA3', KA4' are respectively connected in series with the indicator lamps of HL6, HL7, HL8 and HL9, the indicator lamp of HL6 is a pulse signal indicator lamp of the car induction coil T1, the indicator lamp of HL7 is a pulse signal indicator lamp of the car induction coil T2, the indicator lamp of HL8 is a pulse signal indicator lamp of the car induction coil T3, and the indicator lamp of HL9 is a pulse signal indicator lamp of the car induction coil T4. The intermediate relays of KA1', KA2', KA3', KA4' are respectively responsive to the control coils of the intermediate relays of KA1, KA2, KA3, KA4 to be closed.
As shown in fig. 2-4, each group of self-locking buttons is connected with an interface at the output end of the first intermediate relay, and is respectively provided with an analog T1 pulse signal, a T2 pulse signal, a T3 pulse signal, an X2 interface of a T4 pulse signal, an X3 interface, an X4 interface and an X5 interface, wherein the X2 interface, the X3 interface, the X4 interface and the X5 interface can be three-core sockets, and are connected with plugs corresponding to an automatic phase-splitting system, so that functional test can be performed.
As shown in fig. 2-4, the device further comprises a 20-core socket X1, which is connected with a plug corresponding to the automatic phase-splitting system, so that a function test can be performed. The first switching unit is connected with the socket X1 to supply power to the automatic passing neutral section system, and the locomotive running direction simulation unit comprises a rotary switch S1 connected with the socket X1 to output the simulated locomotive running direction to the automatic passing neutral section system.
In addition, the socket X1 includes a forenotice/restoration signal interface 13, a forced breaking signal interface 14, the forenotice/restoration signal interface 13 being connected in series with the HL1 forenotice/restoration signal indicator lamp, the forced breaking signal interface 14 being connected in series with the HL2 forced breaking signal indicator lamp.
In addition, the socket X1 may be provided with an expansion interface to upgrade the detection circuit.
According to one aspect of the present disclosure, there is also provided a detection device of an auto-passing neutral section system, the detection device comprising the detection circuit of the auto-passing neutral section system. The detection device of the automatic passing neutral section system can achieve the purpose of automatic maintenance of the automatic passing neutral section system, is portable and easy to operate, is suitable for various maintenance requirements of a vehicle on and off, greatly improves maintenance efficiency, and saves outsourcing maintenance cost.
The arrangement of the electrical devices in the test apparatus 800 provided in the present disclosure is shown in fig. 5, where the area 1 is each status indicator light, a push button switch, a change-over switch, etc.; the area 2 is a distribution board, a terminal block, an intermediate relay, a resistor and the like of each socket; the area 3 is a switching power supply, a fuse, a power input socket, and the like of various specifications.
As shown in fig. 6, the front view of the testing device 800 clearly shows the distribution and the functions of each indicator light and each button switch, the overall distribution of the operation interface is compact, the operation and the indicator buttons are adjacent, the operation is convenient, and the test indication is visual and clear.
As shown in fig. 7, the back side view of the testing device 800 clearly shows the external power input interface of the testing device.
As shown in fig. 8, the right side of the testing device 800 shows an external test socket interface, in which 1 20-core sockets and 4 3-core sockets are connected with plugs corresponding to the automatic phase-splitting system, so that a functional test can be performed.
According to the testing device, the point position definition of each plug of the automatic passing neutral section system is obtained through combing and analyzing through researching and analyzing the working power specification, the working principle, the logic control function and the external circuit signal input mode of the automatic passing neutral section system, and a set of method for testing the automatic passing neutral section function and the testing device thereof are researched. According to the functional principle of the automatic passing phase separation system, two types of switching power supplies are selected, one group of power supplies is used for supplying power to the tested automatic passing phase separation system and output signals thereof, the other group of power supplies is used for simulating voltage signals fed back by the car induction coils, and whether signals of the car induction coils at all positions are normal or not and state indication thereof are simulated through logic circuits (see fig. 2-4 for details) with reasonable design. The front view of the testing device shows that the testing device is totally provided with 4 coil trigger buttons and 4 fault simulation buttons with self-locking functions, so that all external circuit input conditions in locomotive operation can be simulated; the locomotive operation direction can be simulated through a change-over switch in the circuit; when the automatic passing neutral section system obtains a normal or abnormal car induction coil signal through point position definition identification, the characteristic that the corresponding point position outputs a 110V high-level signal to the control system is utilized, and different color indicator lamps are designed to be connected in series with the output point positions, so that whether the function of the automatic passing neutral section system is normal or not is displayed; by the device, the actual running condition of the locomotive and the signal state in the passing phase separation region can be simulated, whether the function of the passing phase separation system of the system is normal or not can be tested, and the purpose of overhauling and testing the function of the automatic passing phase separation system is achieved.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (9)
1. A detection circuit for an auto-passing neutral section system, comprising:
a power supply unit;
the power supply device comprises a power supply unit, a first switch unit, a second switch unit and a first parameter power supply, wherein the input end of the first switch unit is connected with the power supply unit, and the first switch unit is configured to convert the power supply of the input end into a first parameter power supply and output the first parameter power supply from the output end after being closed;
the input end of the second switch unit is connected with the power supply unit, and the second switch unit is configured to convert the power supply of the input end into a second parameter power supply and output the second parameter power supply from the output end after being closed; the first switch unit is connected with the input end of the second switch unit in parallel;
the vehicle induction coil signal simulation unit is connected with the output end of the first switch unit and is configured to simulate an input signal of the vehicle induction coil to the automatic passing neutral section system;
the vehicle-sensing coil fault simulation unit is connected with the output end of the second switch unit, and when the vehicle-sensing coil fault is simulated, the second switch unit is disconnected from the automatic passing phase separation system; when the simulated car induction coil has no fault, the simulated car induction coil is used for responding to the input signal to conduct the second switch unit and the automatic passing phase separation system;
the detection unit is connected with the output end of the first switch unit, and after the input signal is judged by the logic of the automatic phase-splitting system, the detection unit is used for acquiring the output signal of the automatic phase-splitting system and outputting a matched detection signal according to the output signal.
2. The detection circuit of claim 1, wherein the detection circuit further comprises:
the first power supply indicator lamp is connected with the output end of the first switch unit in parallel and is configured to display the switch state of the first switch unit;
and the second power indicator lamp is connected with the output end of the second switch unit in parallel and is configured to display the switch state of the second switch unit.
3. The detection circuit of claim 1, wherein the detection circuit further comprises:
and the locomotive running direction simulation unit is connected with the output end of the first switch unit and is used for simulating the running direction of the locomotive and outputting running direction signals matched with different running directions.
4. The detection circuit of claim 3, wherein the detection circuit further comprises:
and the first indicator lamp unit is connected with the locomotive running direction simulation unit and is used for lighting an indicator lamp corresponding to the locomotive running direction.
5. The detection circuit according to claim 1, wherein the vehicle-sensing coil signal simulation unit includes:
the plurality of groups of click buttons and the intermediate relay control coil are respectively connected with the first switch unit in parallel, and the click buttons in each group are connected with the intermediate relay control coil in series.
6. The detection circuit according to claim 5, wherein the vehicle-sensing coil failure simulation unit includes:
the plurality of groups of self-locking buttons and the first intermediate relay are respectively connected with the second switch unit in parallel, and the self-locking buttons in each group are connected with the first intermediate relay control coil in series.
7. The detection circuit of claim 6, wherein the detection circuit further comprises:
and the input end of the second indicator lamp unit is connected with a power supply and is used for responding to the input signal to be lightened.
8. The detection circuit of claim 7, wherein the second indicator light unit comprises:
the plurality of groups of second intermediate relays and the indicating lamps are respectively connected with the second switch units in parallel, and the second intermediate relays in each group are connected with the indicating lamps in series.
9. A detection device for an automatic phase-passing system, characterized by comprising a detection circuit for an automatic phase-passing system according to any of claims 1-8.
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