CN112147486B - 25HZ phase-sensitive track circuit simulation tester and testing method - Google Patents
25HZ phase-sensitive track circuit simulation tester and testing method Download PDFInfo
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- CN112147486B CN112147486B CN202011010442.6A CN202011010442A CN112147486B CN 112147486 B CN112147486 B CN 112147486B CN 202011010442 A CN202011010442 A CN 202011010442A CN 112147486 B CN112147486 B CN 112147486B
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Abstract
The invention discloses a 25HZ phase-sensitive track circuit simulation tester and a testing method. The first voltmeter is connected with a primary coil of the transformer in parallel, two ends of the primary coil are respectively connected with a first wiring terminal and a second wiring terminal, and the first test switch is used for controlling the first wiring terminal and the second wiring terminal to be simultaneously connected or disconnected. The debugging switch is used for adjusting the output gear of the transformer, the second voltmeter is connected with the secondary coil in parallel, and the second testing switch is used for controlling the third wiring terminal and the fourth wiring terminal to be connected or disconnected simultaneously. The invention can detect whether 25HZ phase-sensitive track circuit is sent and received or not and the end equipment can work normally before the steel rail lead wire is connected with the steel rail by connecting the sending and receiving end standby through cable through the tester.
Description
Technical Field
The invention relates to the technical field of railway construction, in particular to a 25HZ phase-sensitive track circuit simulation tester and a testing method.
Background
In railway signal engineering, after the 25HZ phase-sensitive track circuit of each station is installed, debugging is needed before the station is put into use, a transmitting-end transformer is adjusted to enable the track coil voltage of a receiving-end binary two-position relay to reach a working value range, whether the phase difference between the track coil voltage of the binary two-position relay and the local coil voltage is correct or not is tested, whether the binary two-position relay can be normally sucked up or not is tested, and phase crossing between adjacent track circuits of the whole station is tested, so that a long time is needed.
When the railway in use is reformed, a new 25HZ phase-sensitive track circuit is debugged in a duplex mode, a train needs to be emptied in a debugging area, the train cannot pass through during the debugging period, then the existing track circuit sending and receiving end steel rail lead wires are removed, the new 25HZ phase-sensitive track circuit sending and receiving end steel rail lead wires are connected, the debugging can be carried out, the new sending and receiving end steel rail lead wires also need to be removed after the debugging, the existing sending and receiving end steel rail lead wires are recovered, and the use of the existing track circuit is recovered, so that the railway transportation is greatly influenced.
Therefore, how to test the new 25HZ phase sensitive track circuit transmitting and receiving equipment before the steel rail lead wire is connected with the steel rail becomes the key point of technical problems and constant researches to be solved urgently by the person skilled in the art.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a 25HZ phase-sensitive track circuit simulation tester and a testing method, which are used for solving the problems of long time consumption, influence on railway operation, complex operation and the like of the existing testing method.
Therefore, the embodiment of the invention provides the following technical scheme:
The invention provides a 25HZ phase-sensitive track circuit simulation tester, which comprises a transformer, a debugging switch, a first voltmeter, a second voltmeter, a first test switch, a second test switch, a first wiring terminal, a second wiring terminal, a third wiring terminal and a fourth wiring terminal;
The first voltmeter is connected with a primary coil of the transformer in parallel, two ends of the primary coil are respectively connected with the first wiring terminal and the second wiring terminal, and the first test switch is used for controlling the first wiring terminal and the second wiring terminal to be simultaneously connected or disconnected;
The second test switch is used for controlling the third wiring terminal and the fourth wiring terminal to be simultaneously connected or disconnected;
The first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power transmission cable of a point to be tested or a standby through line of a power receiving cable of the point to be tested, the first wiring terminal and the second wiring terminal are also used for being connected with an indoor circuit of the track, the third wiring terminal and the fourth wiring terminal are used for being connected with an outdoor circuit of the track, and whether the track circuit is normal or not is judged by observing whether a binary two-position relay of the indoor circuit can be normally sucked up.
Further, the indoor circuit comprises a power receiving end indoor circuit and a power transmitting end indoor circuit, and the outdoor circuit comprises a power transmitting end outdoor circuit and a power receiving end outdoor circuit;
The binary two-position relay is positioned in the indoor circuit of the power receiving end;
The power transmission end indoor circuit comprises two power supply ends of the track;
the power transmission end outdoor circuit comprises a power transmission end choke transformer;
The power receiving end outdoor circuit comprises a power receiving end choke transformer;
When the first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power transmission cable of a point to be tested, the first wiring terminal and the second wiring terminal are also connected with the indoor circuit of the power receiving end, and the third wiring terminal and the fourth wiring terminal are connected with the outdoor circuit of the power transmitting end;
when the first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power receiving cable of a to-be-tested point, the first wiring terminal and the second wiring terminal are also connected with the indoor circuit of the power transmitting end, and the third wiring terminal and the fourth wiring terminal are connected with the outdoor circuit of the power receiving end.
Further, two terminals of the standby through line of the total station power transmission cable of the track are respectively connected with two terminals of the binary two-position relay through a distribution board;
the standby through line of the total station power transmission cable of the track comprises the standby through line of the power transmission cable of the point to be tested;
the two terminals of the standby through wire of the point power transmission cable to be tested are respectively connected with the first wiring terminal and the second wiring terminal;
The third terminal and the fourth terminal are connected with both ends of the power transmission end choke transformer, respectively.
Further, two terminals of the standby through line of the total station power receiving cable of the track are respectively connected with two power supply ends of the track through a distribution board;
the standby through line of the total station power receiving cable of the track comprises the standby through line of the power receiving cable of the point to be tested;
two terminals of the standby through line of the power receiving cable of the point to be tested are respectively connected with the first wiring terminal and the second wiring terminal;
The third terminal and the fourth terminal are connected to both ends of the power receiving-end choke transformer, respectively.
The second aspect of the present invention provides a25 HZ phase-sensitive track circuit simulation test method, which is used for the 25HZ phase-sensitive track circuit simulation tester according to any embodiment of the first aspect of the present invention, and comprises the following steps:
Connecting the first terminal and the second terminal to an indoor circuit of the track;
Connecting the third terminal and the fourth terminal to an outdoor circuit of the track;
And adjusting the debugging switch, and judging whether the track circuit is normal by observing whether the binary two-position relay of the indoor circuit can be normally sucked up.
The third aspect of the invention provides a 25HZ phase-sensitive track circuit simulation test method, which is used for the 25HZ phase-sensitive track circuit simulation tester of the first aspect of the invention, and comprises the following steps:
Accessing the first terminal and the second terminal to the power receiving-end indoor circuit;
the third wiring terminal and the fourth wiring terminal are connected into the power transmission end outdoor circuit;
judging whether a power transmission end circuit of the track circuit is normal or not;
the first wiring terminal and the second wiring terminal are connected into the power transmission end indoor circuit;
accessing the third terminal and the fourth terminal to the powered-end outdoor circuit;
Judging whether a power receiving end circuit of the track circuit is normal or not;
And the power receiving end circuit of the track circuit and the power transmitting end circuit of the track circuit are normal, so that the track circuit is normal.
Further, accessing the first terminal and the second terminal into the power receiving-side indoor circuit includes:
two terminals of a standby through line of the total station power transmission cable of the track are respectively connected with two terminals of the binary two-position relay through a distribution board;
the standby through line of the total station power transmission cable of the track comprises the standby through line of the power transmission cable of the point to be tested;
Connecting two terminals of the standby through wire of the power transmission cable to be tested with the first wiring terminal and the second wiring terminal respectively;
accessing the third terminal and the fourth terminal to the power transmitting-end outdoor circuit includes:
connecting the third terminal and the fourth terminal to two ends of the power transmission end choke transformer;
judging whether the power transmission end circuit of the track circuit is normal or not comprises:
the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through the second test switch;
the display voltage of the first voltmeter reaches a first set voltage value by adjusting the test switch;
the first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch;
judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result;
And if the first judgment result is yes, the power transmission end circuit of the track circuit is normal.
Further, the first set voltage value is 20V-30V.
Further, the connecting the first terminal and the second terminal to the power transmitting terminal indoor circuit includes:
two terminals of the standby through line of the total station power receiving cable of the track are respectively connected with two power supply ends of the track through a distribution board;
the standby through line of the total station power receiving cable of the track comprises the standby through line of the power receiving cable of the point to be tested;
The first wiring terminal and the second wiring terminal are respectively connected with two terminals of the standby through line of the power receiving cable of the point to be tested;
Accessing the third terminal and the fourth terminal to the powered outdoor circuit includes:
connecting the third wiring terminal and the fourth wiring terminal to two ends of the power receiving end choke transformer;
Judging whether the power receiving end circuit of the track circuit is normal or not comprises:
the first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch;
the display voltage of the second voltmeter reaches a second set voltage value by adjusting the test switch;
the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through the second test switch;
judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result;
and if the first judgment result is yes, the power receiving end circuit of the track circuit is normal.
Further, the second set voltage value is 0.4V-0.8V.
The technical scheme of the embodiment of the invention has the following advantages:
The embodiment of the invention provides a 25HZ phase-sensitive track circuit simulation tester. The existing physical connection debugging method has the problems of long time consumption, influence on railway operation, complex operation and the like. The invention can detect whether 25HZ phase-sensitive track circuit is sent and received or not and the end equipment can work normally before the steel rail lead wire is connected with the steel rail by connecting the sending and receiving end standby through cable through the tester.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a circuit diagram of a 25HZ phase sensitive track circuit simulation tester in accordance with an embodiment of the present invention.
FIG. 2 is a block diagram of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a power transmission end test use state of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the invention.
Fig. 4 is a circuit diagram of a power receiving end test use state of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the invention.
FIG. 5 is a flow chart of a method for simulating and testing a 25HZ phase sensitive track circuit according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
FIG. 1 is a circuit diagram of a 25HZ phase sensitive track circuit simulation tester in accordance with an embodiment of the present invention. As shown in fig. 1, the invention provides a 25HZ phase sensitive track circuit simulation tester, which comprises a transformer BG, a debugging switch K, a first voltmeter V1, a second voltmeter V2, a first test switch K1, a second test switch K2, a first terminal D1, a second terminal D2, a third terminal D3 and a fourth terminal D4.
The first voltmeter V1 is connected with a primary coil of the transformer BG in parallel, two ends of the primary coil are respectively connected with a first wiring terminal D1 and a second wiring terminal D2, and the first test switch K1 is used for controlling the first wiring terminal D1 and the second wiring terminal D2 to be simultaneously connected or disconnected. In this embodiment, the first test switch K1 is a bipolar switch, when the first test switch K1 is turned off, the first terminal D1 and the second terminal D2 are turned off, and when the first test switch K1 is turned on, the first terminal D1 and the second terminal D2 are connected.
The debugging switch K is connected with the secondary coil of the transformer BG in parallel, the debugging switch K is used for adjusting the output gear of the transformer BG, the second voltmeter V2 is connected with the secondary coil in parallel, and the second test switch K2 is used for controlling the third wiring terminal D3 and the fourth wiring terminal D4 to be simultaneously connected or disconnected. In this embodiment, the second test switch K2 is a bipolar switch, when the second test switch K2 is closed, the third terminal D3 is connected to the fourth terminal D4, and when the second test switch K2 is opened, the third terminal D3 is disconnected from the fourth terminal D4.
The first wiring end D1 and the second wiring end D2 are used for being connected with a standby through line of a power transmission cable of a point to be tested or a standby through line of a power receiving cable of the point to be tested, the first wiring end D1 and the second wiring end D2 are also used for being connected with an indoor circuit of a track, the third wiring end D3 and the fourth wiring end D4 are used for being connected with an outdoor circuit of the track, and whether the track circuit is normal or not is judged by observing whether a binary two-position relay GJ of the indoor circuit can be normally sucked up. FIG. 2 is a block diagram of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the present invention. As shown in FIG. 2, the 25HZ phase-sensitive track circuit simulation tester has a rectangular box body, and the box body comprises a front box body and a rear box body. The transformer BG, the first voltmeter V1 and the second voltmeter V2 are arranged on the front box body. The dial plates of the first voltmeter V1 and the second voltmeter V2 are arranged on the surface of the front box body. The first test switch K1, the second test switch K2 and the debugging switch K are arranged on the surface of the front box body. The first terminal D1 is connected to the primary coil through a first test line, and the second terminal D2 is connected to the primary coil through a second connection line. The third wiring end D3 is connected with the secondary coil through a third connecting wire, the fourth wiring end D4 is connected with the secondary coil through a fourth connecting wire, and the rear box body is used for storing the test wire. One end of the test wire connected with the wiring terminal extends out of the surface of the box body.
Compared with the prior art, the invention has the advantages that the tester is connected with the sending and receiving end standby through cable, when the 25HZ phase-sensitive track circuit does not have a condition for connecting a steel rail, the sending and receiving end equipment can be tested whether to normally work, the phase difference between the track coil and the local coil is verified, the phase crossing of the total station track is verified, the duplicate debugging risk is reduced when the 25HZ phase-sensitive track circuit is used for duplicate testing, and the influence on transportation is greatly reduced.
In a specific embodiment, the indoor circuits include a power receiving-side indoor circuit 11 and a power transmitting-side indoor circuit 12, and the outdoor circuits include a power transmitting-side outdoor circuit 21 and a power receiving-side outdoor circuit 22. The binary two-position relay GJ is located in the power receiving-side indoor circuit 11. The power delivery side indoor circuit 12 includes two power supply sides of a track. The power transmitting-side outdoor circuit 21 includes a power transmitting-side choke transformer BE1. The power receiving side outdoor circuit 22 includes a power receiving side choke transformer BE2. When the first terminal D1 and the second terminal D2 are used for accessing the standby through line of the power transmission cable of the point to be tested, the first terminal D1 and the second terminal D2 are also accessed to the indoor circuit 11 of the power receiving end, and the third terminal D3 and the fourth terminal D4 are accessed to the outdoor circuit 21 of the power transmitting end. When the first terminal D1 and the second terminal D2 are connected to the standby through line of the power receiving cable of the point to be measured, the first terminal D1 and the second terminal D2 are also connected to the power transmitting end indoor circuit 12, and the third terminal D3 and the fourth terminal D4 are connected to the power receiving end outdoor circuit 22.
Fig. 3 is a circuit diagram of a power transmission end test use state of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the invention. As shown in fig. 3, in a specific embodiment, two terminals of the standby through line of the total station power transmission cable of the track are connected to two terminals of the binary two-position relay GJ through a distribution board, respectively. The standby through line of the total station power transmission cable of the track comprises a standby through line of the power transmission cable of the point to be detected. The two terminals of the standby through wire of the power transmission cable of the to-be-measured point are respectively connected with the first wiring terminal D1 and the second wiring terminal D2. The third terminal D3 and the fourth terminal D4 are connected to both ends of the power transmitting-end choke transformer BE1, respectively. In this embodiment, the debug switch K includes a plurality of gear switches corresponding to the BG gear of the transformer. Gears include 20 times greater, 25 times greater, 30 times greater, 35 times greater and 40 times greater.
When the voltage meter is used, power is transmitted indoors, the second test switch K2 on the side of the steel rail is closed outdoors, and the voltage of the second voltmeter V2 of the voltage meter on the side of the steel rail is about 0.8V. The debugging switch K is adjusted to enable the display voltage in the cable side voltage test meter V to reach 20-30V, then the first test switch K1 of the cable is closed, and the indoor fixedly connected binary two-position relay GJ can be excited and sucked normally, so that the power transmission end equipment can work normally, and the phase position is correct and consistent with a drawing.
Fig. 4 is a circuit diagram of a power receiving end test use state of a 25HZ phase sensitive track circuit simulation tester according to an embodiment of the invention. In a specific embodiment, as shown in fig. 4, two terminals of the standby through line of the total station power receiving cable of the track are connected with two power supply terminals of the track through a distribution board respectively. The standby through line of the total station power receiving cable of the track comprises a standby through line of the power receiving cable of the to-be-measured point. The two terminals of the standby through line of the power receiving cable at the to-be-tested point are respectively connected with the first wiring terminal D1 and the second wiring terminal D2. The third terminal D3 and the fourth terminal D4 are connected to both ends of the power receiving-end choke transformer BE2, respectively. In this embodiment, the debug switch K includes a plurality of gear switches corresponding to the BG gear of the transformer. When the voltage of the primary coil is 220V, the gear comprises the voltage of the secondary coil as follows: 0.4V, 0.5V, 0.6V, 0.7V and 0.8V.
When the intelligent power supply device is used, indoor power is supplied, a first test switch K1 on the cable side is closed outdoors, the voltage displayed by a first voltmeter V1 on the cable side is about 220V, a second voltmeter V2 on the rail side of 0.4V grade is adjusted to display about 0.4V, then a second test switch K2 on the rail side is closed, and the adjustment switch K is adjusted in the gear of 0.4V, 0.5V, 0.6V, 0.7V and 0.8V, so that the voltage between two terminals of coils 3 and 4 of an indoor test binary two-position relay GJ reaches 20-30V, and the power receiving end binary two-position relay GJ can be excited and lifted normally, so that the power receiving end device can work normally and the phase position is correct and consistent with a drawing.
The invention provides a 25HZ phase-sensitive track circuit simulation test method which is used for a 25HZ phase-sensitive track circuit simulation tester of the embodiment of the invention and comprises the following steps of. The first terminal and the second terminal are connected to the indoor circuit of the track. The third terminal and the fourth terminal are connected to an outdoor circuit of the track. And adjusting the debugging switch, and judging whether the track circuit is normal by observing whether the binary two-position relay of the indoor circuit can be normally sucked up.
FIG. 5 is a flow chart of a method for simulating and testing a 25HZ phase sensitive track circuit according to an embodiment of the invention. As shown in fig. 5, the invention provides a 25HZ phase sensitive track circuit simulation test method, which is used for the 25HZ phase sensitive track circuit simulation tester of the embodiment of the invention, and comprises the following steps:
s1: the first wiring terminal and the second wiring terminal are connected into an indoor circuit of the power receiving terminal;
s2: the third wiring terminal and the fourth wiring terminal are connected into a power transmission end outdoor circuit;
S3: judging whether a power transmission end circuit of the track circuit is normal or not;
s4: the first wiring terminal and the second wiring terminal are connected into an indoor circuit of the power transmission terminal;
s5: the third wiring terminal and the fourth wiring terminal are connected into an outdoor circuit of the power receiving end;
S6: judging whether a power receiving end circuit of the track circuit is normal or not;
s7: the power receiving end circuit of the track circuit and the power transmitting end circuit of the track circuit are normal, and the track circuit is normal.
In this embodiment, the above steps are preferably repeated to test whether the power transmitting end circuit and the power receiving end circuit of each test point are normal, respectively, and the test of the power receiving end device and the power transmitting end device of the total station is completed.
In one embodiment, accessing the first terminal and the second terminal into the power terminal room circuit includes: two terminals of a standby through line of a total station power transmission cable of the track are respectively connected with two terminals of a binary two-position relay through a distribution board. The standby through line of the total station power transmission cable of the track comprises a standby through line of the power transmission cable of the point to be detected. And connecting the two terminals of the standby through wire of the power transmission cable to be tested with the first wiring terminal and the second wiring terminal respectively. Connecting the third terminal and the fourth terminal to the power delivery end outdoor circuit includes connecting the third terminal and the fourth terminal to both ends of the power delivery end choke transformer. And judging whether the power transmission end circuit of the track circuit normally comprises the power transmission end circuit. And the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through a second test switch. The display voltage of the first voltmeter reaches a first set voltage value by adjusting the test switch. The first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch. And judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result. And if the first judgment result is yes, the power transmission end circuit of the track circuit is normal.
In this embodiment, the first set voltage is 20V-30V. When the voltage meter is used, indoor power is transmitted, a second test switch on the side of the steel rail is closed outdoors, and the second voltmeter of the voltage meter on the side of the steel rail displays about 0.8V. The debugging switch is adjusted, so that the display voltage of the cable side voltage test meter reaches 20-30V, then the first test switch of the cable is closed, and the binary two-position relay which is fixedly connected in the room can be excited and sucked normally, so that the power transmission end equipment can work normally, and the phase position is correct and consistent with a drawing.
In one embodiment, the accessing of the first terminal and the second terminal into the power delivery end indoor circuit includes:
Two terminals of a standby through wire of the total station power receiving cable of the track are respectively connected with two power supply ends of the track through a distribution board. The standby through line of the total station power receiving cable of the track comprises a standby through line of the power receiving cable of the to-be-measured point. The first wiring terminal and the second wiring terminal are respectively connected with two terminals of a standby through line of the power receiving cable of the point to be tested. The third terminal and the fourth terminal are connected to the outdoor circuit of the power receiving terminal, which comprises: and connecting the third wiring terminal and the fourth wiring terminal to two ends of the power receiving end choke transformer. And judging whether the power receiving end circuit of the track circuit normally comprises the power receiving end circuit. The first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch. The display voltage of the second voltmeter reaches a second set voltage value by adjusting the test switch. And the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through a second test switch. And judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result. And if the first judgment result is yes, the power receiving end circuit of the track circuit is normal.
In this embodiment, the second set voltage value is 0.4V-0.8V. When the device is used, indoor power is transmitted, a first test switch on the cable side is closed outdoors, the display voltage of a first voltmeter on the cable side is about 220V, a debugging switch is adjusted to a second voltmeter on the rail side of 0.4V gear to display about 0.4V, then the second test switch on the rail side is closed, and the debugging switch is adjusted in the gear of 0.4V, 0.5V, 0.6V, 0.7V and 0.8V, so that the voltage between two terminals of coils 3 and 4 of the indoor test binary two-position relay reaches 20-30V, and the power receiving end binary two-position relay can be normally excited and absorbed, so that the power receiving end device can normally work, and the phase position is correctly consistent with a drawing.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations are within the scope of the invention as defined by the appended claims.
Claims (7)
1. The 25HZ phase-sensitive track circuit simulation tester is characterized by comprising a transformer, a debugging switch, a first voltmeter, a second voltmeter, a first test switch, a second test switch, a first wiring terminal, a second wiring terminal, a third wiring terminal and a fourth wiring terminal;
The first voltmeter is connected with a primary coil of the transformer in parallel, two ends of the primary coil are respectively connected with the first wiring terminal and the second wiring terminal, and the first test switch is used for controlling the first wiring terminal and the second wiring terminal to be simultaneously connected or disconnected;
The second test switch is used for controlling the third wiring terminal and the fourth wiring terminal to be simultaneously connected or disconnected;
The first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power transmission cable of a point to be tested or a standby through line of a power receiving cable of the point to be tested, the first wiring terminal and the second wiring terminal are also used for being connected with an indoor circuit of the track, the third wiring terminal and the fourth wiring terminal are used for being connected with an outdoor circuit of the track, and whether the track circuit is normal or not is judged by observing whether a binary two-position relay of the indoor circuit can be normally sucked up;
The indoor circuit comprises a power receiving end indoor circuit and a power transmitting end indoor circuit, and the outdoor circuit comprises a power transmitting end outdoor circuit and a power receiving end outdoor circuit;
The binary two-position relay is positioned in the indoor circuit of the power receiving end;
The power transmission end indoor circuit comprises two power supply ends of the track;
the power transmission end outdoor circuit comprises a power transmission end choke transformer;
The power receiving end outdoor circuit comprises a power receiving end choke transformer;
When the first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power transmission cable of a point to be tested, the first wiring terminal and the second wiring terminal are also connected with the indoor circuit of the power receiving end, and the third wiring terminal and the fourth wiring terminal are connected with the outdoor circuit of the power transmitting end;
When the first wiring terminal and the second wiring terminal are used for being connected with a standby through line of a power receiving cable of a to-be-tested point, the first wiring terminal and the second wiring terminal are also connected with the indoor circuit of the power transmitting end, and the third wiring terminal and the fourth wiring terminal are connected with the outdoor circuit of the power receiving end;
two terminals of the standby through line of the total station power transmission cable of the track are respectively connected with two terminals of the binary two-position relay through a distribution board;
the standby through line of the total station power transmission cable of the track comprises the standby through line of the power transmission cable of the point to be tested;
the two terminals of the standby through wire of the point power transmission cable to be tested are respectively connected with the first wiring terminal and the second wiring terminal;
the third wiring terminal and the fourth wiring terminal are respectively connected with two ends of the power transmission end choke transformer;
two terminals of the standby through line of the total station power receiving cable of the track are respectively connected with two power supply ends of the track through a distribution board;
the standby through line of the total station power receiving cable of the track comprises the standby through line of the power receiving cable of the point to be tested;
two terminals of the standby through line of the power receiving cable of the point to be tested are respectively connected with the first wiring terminal and the second wiring terminal;
The third terminal and the fourth terminal are connected to both ends of the power receiving-end choke transformer, respectively.
2. A 25HZ phase sensitive track circuit simulation test method, which is used for the 25HZ phase sensitive track circuit simulation tester of claim 1, and comprises the following steps:
Connecting the first terminal and the second terminal to an indoor circuit of the track;
Connecting the third terminal and the fourth terminal to an outdoor circuit of the track;
And adjusting the debugging switch, and judging whether the track circuit is normal by observing whether the binary two-position relay of the indoor circuit can be normally sucked up.
3. A 25HZ phase sensitive track circuit simulation test method, which is used for the 25HZ phase sensitive track circuit simulation tester of claim 1, and comprises the following steps:
Accessing the first terminal and the second terminal to the power receiving-end indoor circuit;
the third wiring terminal and the fourth wiring terminal are connected into the power transmission end outdoor circuit;
judging whether a power transmission end circuit of the track circuit is normal or not;
the first wiring terminal and the second wiring terminal are connected into the power transmission end indoor circuit;
accessing the third terminal and the fourth terminal to the powered-end outdoor circuit;
Judging whether a power receiving end circuit of the track circuit is normal or not;
And the power receiving end circuit of the track circuit and the power transmitting end circuit of the track circuit are normal, so that the track circuit is normal.
4. The method of claim 3, wherein the step of connecting the first terminal and the second terminal to the power receiving terminal in-house circuit comprises:
two terminals of a standby through line of the total station power transmission cable of the track are respectively connected with two terminals of the binary two-position relay through a distribution board;
the standby through line of the total station power transmission cable of the track comprises the standby through line of the power transmission cable of the point to be tested;
Connecting two terminals of the standby through wire of the power transmission cable to be tested with the first wiring terminal and the second wiring terminal respectively;
accessing the third terminal and the fourth terminal to the power transmitting-end outdoor circuit includes:
connecting the third terminal and the fourth terminal to two ends of the power transmission end choke transformer;
judging whether the power transmission end circuit of the track circuit is normal or not comprises:
the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through the second test switch;
the display voltage of the first voltmeter reaches a first set voltage value by adjusting the test switch;
the first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch;
judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result;
And if the first judgment result is yes, the power transmission end circuit of the track circuit is normal.
5. The method for simulating a 25HZ phase sensitive track circuit of claim 4 wherein the first set voltage value is 20V-30V.
6. A 25HZ phase sensitive track circuit simulation test method in accordance with claim 3 wherein accessing the first terminal and the second terminal into the power delivery side indoor circuit comprises:
two terminals of the standby through line of the total station power receiving cable of the track are respectively connected with two power supply ends of the track through a distribution board;
the standby through line of the total station power receiving cable of the track comprises the standby through line of the power receiving cable of the point to be tested;
The first wiring terminal and the second wiring terminal are respectively connected with two terminals of the standby through line of the power receiving cable of the point to be tested;
Accessing the third terminal and the fourth terminal to the powered outdoor circuit includes:
connecting the third wiring terminal and the fourth wiring terminal to two ends of the power receiving end choke transformer;
Judging whether the power receiving end circuit of the track circuit is normal or not comprises:
the first wiring terminal and the second wiring terminal are controlled to be communicated simultaneously through the first test switch;
the display voltage of the second voltmeter reaches a second set voltage value by adjusting the test switch;
the third wiring terminal and the fourth wiring terminal are controlled to be communicated simultaneously through the second test switch;
judging whether the binary two-position relay can be normally sucked up or not to obtain a first judgment result;
and if the first judgment result is yes, the power receiving end circuit of the track circuit is normal.
7. The method of claim 6, wherein the second set voltage value is 0.4V to 0.8V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010442.6A CN112147486B (en) | 2020-09-23 | 25HZ phase-sensitive track circuit simulation tester and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010442.6A CN112147486B (en) | 2020-09-23 | 25HZ phase-sensitive track circuit simulation tester and testing method |
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| CN112147486A CN112147486A (en) | 2020-12-29 |
| CN112147486B true CN112147486B (en) | 2024-06-11 |
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