CN112026847B - Full-electronic automatic block execution module circuit - Google Patents
Full-electronic automatic block execution module circuit Download PDFInfo
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- CN112026847B CN112026847B CN202011206373.6A CN202011206373A CN112026847B CN 112026847 B CN112026847 B CN 112026847B CN 202011206373 A CN202011206373 A CN 202011206373A CN 112026847 B CN112026847 B CN 112026847B
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- 230000000903 blocking effect Effects 0.000 claims description 17
- 238000012423 maintenance Methods 0.000 abstract description 10
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/02—Electric devices associated with track, e.g. rail contacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
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Abstract
The invention discloses a full-electronic automatic block execution module circuit, relates to the technical field of railway signal circuits, and is used for replacing a relay combination and wiring adopted in the prior art and facilitating subsequent maintenance. The circuit is as follows: FJ1, FJ2, ZXJ, and FXJ; the coil terminal 1 of the FJ1 is connected with the 2 nd group rear contact of the ZXJ, and the 2 nd group front contact of the ZXJ is connected with a direction power supply negative electricity FF; the contact in the group 2 of ZXJ is connected with the rear contact in the group 2 of FXJ, the front contact in the group 2 of FXJ is connected with the positive power supply FZ in the direction, and the contact in the group 2 of FXJ is connected with the external connecting terminal of the board card; the coil terminal 4 of FJ1 is connected to group 1 rear contact of FXJ, and group 1 front contact of FXJ is connected to negative supply current FF; FXJ wherein the 1 st group of contacts is connected to the 1 st group of rear contacts of ZXJ and the 1 st group of front contacts of ZXJ is connected to the positive supply; the 1 st group of contacts of the ZXJ is connected with the coil terminal 1 of the FJ2, and the coil terminal 4 of the FJ2 is connected with the external connecting terminal of the board card.
Description
Technical Field
The invention relates to the technical field of railway signal circuits, in particular to a full-electronic automatic block execution module circuit.
Background
In order to ensure the safety of trains and the necessary passing capacity of railway lines, the railway lines are divided into a plurality of sections with different lengths, and each section of the railway line is called a block subarea. The start end of the block subarea is provided with an interval which passes through a signal machine, so that the automatic control of the train is realized. According to the running of train and the state of relative block subarea, the automatic change area is displayed by signal machine and the driver can drive by signal.
At present, an electronic execution unit is mainly adopted for carrying out real-time control and state acquisition on a certain number of various trackside signal devices in a centralized manner, the electronic execution unit is a safety control device which can directly control the trackside devices of a railway, and the electronic execution unit mainly comprises a communication control module and a plurality of electronic execution modules and can carry out related safety communication with a safety host, and the safety host can be a computer interlocking system or a train control interlocking integrated system. Since the electronic execution unit directly controls the controlled object such as trackside signal device, the electronic execution unit is also called an object controller.
However, for the automatic block, which is an important block method in the railway signal field, the prior art generally adopts a relay combination method to form an automatic block operation direction changing circuit, and a large number of relays and wiring thereof are required, which is not favorable for subsequent maintenance work.
Disclosure of Invention
In view of the above, the present invention provides a full electronic automatic block execution module circuit, and the main purpose of the present invention is to replace the relay combination and the wiring thereof adopted in the prior art with the full electronic automatic block execution module circuit, so as to solve the technical problems that the prior circuit for changing the operation direction needs a large number of relays and the wiring thereof, and is not beneficial to the subsequent maintenance work, thereby realizing the elimination of excessive fault points, and greatly facilitating the subsequent maintenance work.
In order to solve the technical problems, the invention mainly provides the following technical scheme:
in one aspect, the present invention provides a full electronic automatic block execution module circuit, including: a first direction relay FJ1, a second direction relay FJ2, a forward direction relay ZXJ, and a reverse direction relay FXJ;
a coil terminal 1 of the first direction relay FJ1 is connected to a 2 nd group rear contact of the positive direction relay ZXJ, and a 2 nd group front contact of the positive direction relay ZXJ is connected to a direction power supply negative current FF; the 2 nd group middle contact of the forward relay ZXJ is connected with the 2 nd group rear contact of the reverse relay FXJ, the 2 nd group front contact of the reverse relay FXJ is connected with a direction power supply positive electric FZ, and the 2 nd group middle contact of the reverse relay FXJ is connected with an external connecting terminal of the board card;
a coil terminal 4 of the first direction relay FJ1 is connected to a 1 st group rear contact of the reverse direction relay FXJ, and a 1 st group front contact of the reverse direction relay FXJ is connected to a direction power supply negative current FF; the 1 st group middle contact of the reverse direction relay FXJ is connected with the 1 st group rear contact of the positive direction relay ZXJ, and the 1 st group front contact of the positive direction relay ZXJ is connected with the positive direction power supply; the 1 st group of middle contacts of the forward direction relay ZXJ are connected with a coil terminal 1 of the second direction relay FJ2, and a coil terminal 4 of the second direction relay FJ2 is connected with an external connecting terminal of a board card;
in some variations of an aspect of the present application, the method further comprises: a supervision interval relay JQJ;
a coil terminal 1 of the supervision block relay JQJ is connected with a contact point in the 1 st group of the first direction relay FJ1, and a coil terminal 4 of the supervision block relay JQJ is connected with an external connection terminal of the board card;
the 1 st group of rear contacts of the first direction relay FJ1 are connected with a supervision interval power supply negative electricity JQF; the 1 st group front contact of the first direction relay FJ1 is connected with the 1 st group front contact of the second direction relay, and the 1 st group rear contact of the second direction relay FJ2 is connected with a supervision block power supply positive electricity JQZ;
the 1 st group middle contact of the second direction relay FJ2 is connected with a variable resistor RJ, and the variable resistor RJ is connected with an external connecting terminal of the board card.
In some modified embodiments of the one aspect of the present application, the first direction relay FJ1 employs a pole electric device, and drives the first direction relay FJ1 to suck up when a current enters from the coil terminal 1 of the first direction relay FJ1 and exits through the coil terminal 4 of the first direction relay FJ 1;
when current enters from the coil terminal 4 of the first direction relay FJ1 and flows out through the coil terminal 1 of the first direction relay FJ1, the first direction relay FJ1 is driven to fall;
the driving state of the first direction relay FJ1 is sent to a safety host, the safety host collects the current state of the FJ1, wherein the first direction relay FJ1 is sucked to represent that the current interval is the vehicle receiving direction, the first direction relay FJ1 falls to represent that the current interval is the vehicle sending direction, and the initial state of the first direction relay FJ1 is sucked when the board card is electrified and started again.
In some modified embodiments of the aspect of the application, the positive direction relay ZXJ adopts an electrodeless relay to receive a suction or drop driving instruction issued by the safety host, and the positive direction relay ZXJ is in an initial state of dropping when the board card is powered on and started again.
In some modified embodiments of the aspect of the present application, the reverse direction relay FXJ uses an electrodeless relay to receive a sucking up or dropping down driving instruction issued by the security host, and the reverse direction relay FXJ is in an initial state of dropping down when the board card is powered on again.
In some variations of an aspect of the present application, the supervision interval relay JQJ employs an electrodeless slow release relay, and the supervision interval relay JQJ is picked up when all sections between two stations are idle and current is flowing through the supervision interval relay JQJ.
In some modified embodiments of an aspect of the present application, the first direction relay FJ1, the second direction relay FJ2, the forward direction relay ZXJ, the reverse direction relay FXJ, and the supervision block relay JQJ are placed inside a board card of an all electronic automatic block execution module by using a micro relay, so as to form an automatic block operation direction changing circuit.
In some modified embodiments of an aspect of the present application, the pair of external connection terminals are configured to perform a change in the inter-zone traveling direction between two stations in cooperation with an adjacent station.
By the technical scheme, the technical scheme provided by the invention at least has the following advantages:
the invention provides a full electronic automatic block execution module circuit, comprising: a first direction relay FJ1, a second direction relay FJ2, a forward direction relay ZXJ, and a reverse direction relay FXJ; a coil terminal 1 of the first direction relay FJ1 is connected with a 2 nd group rear contact of the positive direction relay ZXJ, and a 2 nd group front contact of the positive direction relay ZXJ is connected with a direction power supply negative electricity FF; the 2 nd group middle contact of the forward relay ZXJ is connected with the 2 nd group rear contact of the reverse relay FXJ, the 2 nd group front contact of the reverse relay FXJ is connected with the direction power supply positive electricity FZ, and the 2 nd group middle contact of the reverse relay FXJ is connected with the external connecting terminal of the board card; the coil terminal 4 of the first direction relay FJ1 is connected to the 1 st group rear contact of the reverse direction relay FXJ, and the 1 st group front contact of the reverse direction relay FXJ is connected to the direction power supply negative current FF; the 1 st group middle contact of the reverse relay FXJ is connected with the 1 st group rear contact of the forward relay ZXJ, and the 1 st group front contact of the forward relay ZXJ is connected with the positive electricity of the direction power supply; the 1 st group middle contact of the positive direction relay ZXJ is connected with the coil terminal 1 of the second direction relay FJ2, and the coil terminal 4 of the second direction relay FJ2 is connected with the external connection terminal of the board card. Compared with the prior art, the method solves the technical problems that the prior method needs a large number of relays and wiring thereof and does not utilize subsequent maintenance work, and the invention replaces the relay combination and wiring thereof adopted in the prior art by the full-electronic automatic block execution module circuit, thereby eliminating excessive fault points and greatly facilitating the subsequent maintenance work.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a circuit of a full electronic automatic block execution module according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an inter-range code interface according to an embodiment of the present invention;
fig. 3 to fig. 6 are flows of normal operation direction change corresponding to "station a is an original station, and station b is an original station" provided in the embodiment of the present invention;
fig. 7 to 9 are flows of normal operation direction change corresponding to "station a is an original station and station b is an original station" provided in the embodiment of the present invention;
fig. 10-12 are flow charts of auxiliary operation direction change corresponding to "station a is an original station, and station b is an original station" provided in the embodiment of the present invention;
fig. 13 to fig. 15 are flow charts of auxiliary operation direction change corresponding to "the first station is the original station and the second station is the original station" provided in the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be 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 scope of the invention to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
The embodiment of the invention provides a full-electronic automatic blocking execution module circuit, which is shown in fig. 1, wherein in a schematic circuit diagram, "↓" represents a relay to be sucked up, "↓" represents a relay to be fallen down, and "1", "2" and "4" represent collecting driving contacts of the relay. The full-electronic automatic blocking execution module circuit comprises: a first direction relay FJ1, a second direction relay FJ2, a forward direction relay ZXJ, and a reverse direction relay FXJ. In the following, a detailed description is made with reference to fig. 1, but it should be noted in advance that, in fig. 1, for the forward direction relay ZXJ, the reverse direction relay FXJ, the first direction relay FJ1, and so on, that is, for different relays, which set of contacts are selected to enter the circuit, the embodiment of the present invention is only an exemplary example, and it should be fully considered that other sets of contacts of the relay may also be applied to the connection circuit, for example, "1 st set" and "2 nd set" are only for convenience of explaining that the same relay has different sets of contacts to enter the circuit, and are not limited to which set of contacts of the relay is used or to specify the order in which the different sets of contacts are used.
As shown in fig. 1, the coil terminal 1 of the first direction relay FJ1 is connected to the 2 nd group rear contact of the positive direction relay ZXJ, and the 2 nd group front contact of the positive direction relay ZXJ is connected to the direction power supply negative current FF; the 2 nd group middle contact of the forward relay ZXJ is connected with the 2 nd group rear contact of the reverse relay FXJ, the 2 nd group front contact of the reverse relay FXJ is connected with the direction power supply positive electricity FZ, and the 2 nd group middle contact of the reverse relay FXJ is connected with the external connecting terminal of the board card;
as shown in fig. 1, the coil terminal 4 of the first direction relay FJ1 is connected to the 1 st group rear contact of the reverse direction relay FXJ, and the 1 st group front contact of the reverse direction relay FXJ is connected to the direction power supply negative current FF; the 1 st group middle contact of the reverse relay FXJ is connected with the 1 st group rear contact of the forward relay ZXJ, and the 1 st group front contact of the forward relay ZXJ is connected with the positive electricity of the direction power supply; the 1 st group middle contact of the positive direction relay ZXJ is connected with the coil terminal 1 of the second direction relay FJ2, and the coil terminal 4 of the second direction relay FJ2 is connected with the external connection terminal of the board card.
Further, as shown in fig. 1, the all-electronic automatic block execution module circuit further includes: the supervisory zone relay JQJ, the supervisory zone relay JQJ is described below:
a coil terminal 1 of the supervision block relay JQJ is connected with a contact point in the 1 st group of the first direction relay FJ1, and a coil terminal 4 of the supervision block relay JQJ is connected with an external connection terminal of the board card; the 1 st group of rear contacts of the first direction relay FJ1 are connected with a supervision interval power supply negative electricity JQF; the 1 st group front contact of the first direction relay FJ1 is connected with the 1 st group front contact of the second direction relay, and the 1 st group rear contact of the second direction relay FJ2 is connected with the supervision block positive power JQZ; the 1 st group of middle contacts of the second direction relay FJ2 are connected with a variable resistor RJ, and the variable resistor RJ is connected with an external connecting terminal of a board card.
In the embodiment of the invention, the first direction relay FJ1, the second direction relay FJ2, the forward direction relay ZXJ, the reverse direction relay FXJ and the supervision interval relay JQJ are placed inside a board card of the all-electronic automatic blocking execution module by adopting micro relays, and are used for forming an automatic blocking operation direction changing circuit by adopting the connection mode of fig. 1. And the external connecting terminal is used for finishing the change of the section running direction between two stations together with the adjacent stations.
Further, in the following, with reference to fig. 1, the operation logic of each micro-relay (the first direction relay FJ1, the second direction relay FJ2, the forward direction relay ZXJ, the reverse direction relay FXJ, and the supervision block relay JQJ) is explained in detail as follows:
the first direction relay FJ1 is a pole relay, and drives the first direction relay FJ1 to suck up when current flows in from the coil terminal 1 of the first direction relay FJ1 and flows out through the coil terminal 4 of the first direction relay FJ 1.
When a current enters from the coil terminal 4 of the first direction relay FJ1 and exits through the coil terminal 1 of the first direction relay FJ1, the first direction relay FJ1 is driven to drop.
The driving state of the first direction relay FJ1 is sent to a safety host, the safety host collects the current state of the FJ1, wherein the first direction relay FJ1 is sucked to represent that the current interval is the vehicle receiving direction, the first direction relay FJ1 falls to represent that the current interval is the vehicle sending direction, and the initial state of the first direction relay FJ1 is sucked when the board card is electrified and started again.
It should be noted that the working logic of the second direction relay FJ2 is the same as that of the first direction relay FJ1, and is not described herein again.
Further, in the embodiment of the present invention, the positive direction relay ZXJ adopts an electrodeless relay, ZXJ ↓iswhen the safety host issues a drive command for sucking up the positive direction relay ZXJ to the full electronic automatic blocking execution module, ZXJ ↓iswhen the safety host issues a drive command for dropping down the positive direction relay ZXJ to the full electronic automatic blocking execution module, and the positive direction relay ZXJ is in an initial state of dropping down when the board card is powered up again.
Further, in the embodiment of the present invention, the reverse direction relay FXJ is an electrodeless relay, and when the security host issues a drive command for sucking up the reverse direction relay FXJ to the full electronic automatic blocking execution module, FXJ ↓isused, when the security host issues a drive command for dropping down the reverse direction relay FXJ to the full electronic automatic blocking execution module, FXJ ↓isused, and when the board card is powered on again and started, FXJ falls down in the initial state.
Further, in the embodiment of the present invention, when the own vehicle station is arranged to depart from the route, the power supply positive electricity JQZ of the supervision section is cut off; and when the vehicle station arranges the departure route, cutting off the negative electricity JQF of the power supply of the supervision interval. The supervision interval relay JQJ adopts an electrodeless slow release relay, and when all sections between two stations are idle and current flows into the supervision interval relay JQJ, JQJ ═ ℃.
It should be noted that, in the embodiment of the present invention, each block section may be provided with a block track relay, and if the circuit works and the block track relay is sucked up, it is proved that the current block section is free.
Compared with the prior art, the full-electronic automatic block execution module circuit provided by the embodiment of the invention solves the technical problems that the prior method needs a large number of relays and wiring thereof and does not utilize subsequent maintenance work, and replaces the relay combination and wiring thereof adopted by the prior art by the full-electronic automatic block execution module circuit, thereby eliminating excessive fault points and greatly facilitating the subsequent maintenance work.
In order to support the working principle of the all-electronic automatic block execution module circuit provided by the above embodiment, the embodiment of the present invention further provides a circuit design of an interface for sending codes to an interval, as shown in fig. 2, a second direction relay FJ2 inside a board card of the all-electronic automatic block execution module is connected according to the connection mode in fig. 2, so that the requirement of the interval code sending circuit can be met.
In fig. 2, QZJ is an interval forward relay, and QFJ is an interval reverse relay; QKZ represents positive electricity of the interval code-sending power supply, QKF represents negative electricity of the interval code-sending power supply, and the QKF is provided by the full-electronic automatic block execution module.
In the following, with reference to the circuit principle of fig. 1, the embodiment of the present invention further describes in detail an operation sequence of changing the operation direction of the interface with the relay circuit, as shown in fig. 3 to 15, (it should be noted that the operation sequence of changing the operation direction of the interface with the full electronic automatic blocking execution module is also the following operation sequence illustrated in fig. 3 to 15, and therefore is not described again), specifically, the following is stated:
in the embodiment of the present invention, two stations a and b are illustrated, as shown in fig. 3 to 15, which show that the first station uses the circuit principle given in fig. 1 to implement specific work, while the second station still uses the existing relay combination to form an automatic blocking operation direction changing circuit (as the operation direction changing circuit adopted in the prior art stated in the background art). It should be noted that, for two adjacent stations listed randomly, the fully electronic automatic block execution module circuit provided in fig. 1 may be actually used, but fig. 3 to 15 show that the circuit principle of fig. 1 is used for only one station (station a), which is an improved technique in practical application, and it is preferable to try at one station on the premise that the working stability is not ensured, and if the test is stable, the existing circuit for changing the operation direction can be replaced at each station. The embodiments of the invention are given by way of illustration only.
In order to make the circuit of the second station illustrated in fig. 3-15 clearly understood by those skilled in the art, the explanation of the components such as the relays in the circuit of the second station includes: FJ2 (second direction relay), FFJ (departure auxiliary relay), GFJ (change direction of operation relay), JFJ (auxiliary relay of taking over a car), GFFJ (change direction of operation auxiliary relay), FJ1 (first direction electricity saver), FSJ (departure locking relay), DJ (short circuit relay), FGFJ (auxiliary change direction of operation relay), JQJ2F (supervision interval second relay), and in addition FF (direction power supply negative electricity), FZ (direction power supply positive electricity), RF (variable resistance).
In the embodiment of the invention, for two adjacent stations A and B, the operation direction change between the two stations is divided into two types of normal operation direction change and auxiliary operation direction change, and firstly, the operation direction change in the forward direction is explained:
one application scenario is: if the first station is an original station and the second station is an original station, the section is in an idle state, namely JQJ ═ c. The normal operation direction changing process is as follows:
step 1: the state of the fully electronic automatic block execution module board card when being powered on again is shown in fig. 3, and if the board card is in the normal use process, the state is the state shown in fig. 3. The original station provides power supply of FZ and FF, and the station FJ1 and FJ2 are in a falling state.
Step 2: the second station handles departure and route, and the sequence of actions is shown in figure 4.
And step 3: when the safety host acquires that the stations FJ1 and FJ2 are changed into the suck-up state from falling, the safety host issues ZXJ ↓and FXJ ↓commandsto the full electronic automatic blocking execution module, and the action sequence is shown in FIG. 5.
And 4, step 4: the first station is changed into a receiving station, the second station is changed into a sending station, the flow of normally changing the running direction is completed, and the action sequence is shown in fig. 6.
Another application scenario is: if the station A is an original station and the station B is an original station, the section is in an idle state, namely JQJ ═ c. The normal operation direction changing process is as follows:
step 1: the state of the fully electronic automatic block execution module board card when being powered on again is shown in fig. 7, and if the board card is in the normal use process, the state is the state shown in fig. 6.
Step 2: the first station transacts the departure route, and the first station security host issues FXJ ↓andZXJ ↓ commands to the all-electronic automatic blocking execution module, wherein the action sequence is as shown in fig. 8 and fig. 9.
And step 3: when the safety host acquires that the first station FJ1 and the FJ2 are changed from a suction state to a falling state, the safety host issues ZXJ ↓and FXJ ↓commandsto the full electronic automatic blocking execution module, the first station is changed to an originating station, the second station is changed to a receiving station, the flow of normally changing the running direction is completed, and the action sequence is as shown in FIG. 3.
Next, the following description will be given of assist in changing the running direction:
and if the inter-zone track circuit between the two stations is occupied due to a fault, namely JQJ ↓ and the running direction cannot be changed normally, changing the running direction by using an auxiliary mode.
One application scenario is: if the station A is an original station and the station B is an original station, the flow of auxiliary change of the running direction is as follows:
step 1: the initial states of the first and second stations are shown in fig. 3.
Step 2: the operator at the second station informs the operator at the first station of handling the auxiliary vehicle receiving procedure by telephone, the operator at the second station presses the total auxiliary button and the departure auxiliary button, and the operator at the first station presses the total auxiliary button and the vehicle receiving auxiliary button within 13 seconds (here, 13 seconds are ensured by the safety host). The station a security host issues FXJ ↓andzxj ↓ commands to the all-electronic automatic blocking execution module, the commands are maintained for 3 seconds, and the action sequence is as shown in fig. 10.
And step 3: after 3 seconds, the station a security host issues FXJ ↓andzxj ↓commandsto the full electronic automatic occlusion execution module, and the action sequence is as shown in fig. 11.
And 4, step 4: when the safety host acquires that both the FJ1 and the FJ2 change from a falling state to a sucking state, the safety host issues ZXJ ↓and FXJ ↓commandsto the full electronic automatic occlusion execution module, and the action sequence is shown in FIG. 12.
And 5: the first station is changed into a receiving station, the second station is changed into a sending station, the process of changing the running direction in an auxiliary mode is completed, and the action sequence is shown in fig. 6.
Another application scenario is: if the station A is the original station and the station B is the original station, the flow of auxiliary change of the running direction is as follows:
step 1: the initial states of the first and second stations are shown in fig. 6.
Step 2: the first station attendant is informed to handle the auxiliary vehicle receiving procedure by the telephone of the second station attendant, the first station attendant presses the total auxiliary button and the departure auxiliary button, and the second station attendant presses the total auxiliary button and the vehicle receiving auxiliary button within 13 seconds (wherein the 13 seconds are ensured by the safety host). The sequence of actions is shown in figure 13.
And step 3: after the first station vehicle-receiving auxiliary button is restored, the first station security host issues FXJ ↓andzxj ↓ commands to the all-electronic automatic blocking execution module, the commands are maintained for 3 seconds, and the operation sequence is as shown in fig. 14 and fig. 15.
And 4, step 4: after 3 seconds, the station a security host issues FXJ ↓andzxj ↓ commands to the full electronic automatic occlusion execution module. The first station is changed into a departure station, the second station is changed into a receiving station, the process of changing the running direction in an auxiliary mode is completed, and the action sequence is shown in figure 3.
Compared with the prior art, the full-electronic automatic block execution module circuit provided by the embodiment of the invention solves the technical problems that the prior method needs a large number of relays and wiring thereof and does not utilize subsequent maintenance work, and aims to solve the actual operation conditions of railways that the traditional circuit for changing the operation direction has too many relays, complicated wiring, long field construction period and difficult maintenance.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. An all electronic automatic block execution module circuit, comprising: a first direction relay FJ1, a second direction relay FJ2, a forward direction relay ZXJ, and a reverse direction relay FXJ;
a coil terminal 1 of the first direction relay FJ1 is connected to a 2 nd group rear contact of the positive direction relay ZXJ, and a 2 nd group front contact of the positive direction relay ZXJ is connected to a direction power supply negative current FF; the 2 nd group middle contact of the forward relay ZXJ is connected with the 2 nd group rear contact of the reverse relay FXJ, the 2 nd group front contact of the reverse relay FXJ is connected with a direction power supply positive electric FZ, and the 2 nd group middle contact of the reverse relay FXJ is connected with an external connecting terminal of the board card;
a coil terminal 4 of the first direction relay FJ1 is connected to a 1 st group rear contact of the reverse direction relay FXJ, and a 1 st group front contact of the reverse direction relay FXJ is connected to a direction power supply negative current FF; the 1 st group middle contact of the reverse direction relay FXJ is connected with the 1 st group rear contact of the positive direction relay ZXJ, and the 1 st group front contact of the positive direction relay ZXJ is connected with the positive direction power supply FZ; the 1 st group middle contact of the positive direction relay ZXJ is connected with the coil terminal 1 of the second direction relay FJ2, and the coil terminal 4 of the second direction relay FJ2 is connected with the external connecting terminal of the board card.
2. The circuit of claim 1, further comprising: a supervision interval relay JQJ;
a coil terminal 1 of the supervision block relay JQJ is connected with a contact point in the 1 st group of the first direction relay FJ1, and a coil terminal 4 of the supervision block relay JQJ is connected with an external connection terminal of the board card;
the 1 st group of rear contacts of the first direction relay FJ1 are connected with a supervision interval power supply negative electricity JQF; the 1 st group front contact of the first direction relay FJ1 is connected with the 1 st group front contact of the second direction relay, and the 1 st group rear contact of the second direction relay FJ2 is connected with a supervision block power supply positive electricity JQZ;
the 1 st group middle contact of the second direction relay FJ2 is connected with a variable resistor RJ, and the variable resistor RJ is connected with an external connecting terminal of the board card.
3. The circuit of claim 1, wherein the first direction relay FJ1 is a polarized electrical device, and when current enters from the coil terminal 1 of the first direction relay FJ1 and exits through the coil terminal 4 of the first direction relay FJ1, the first direction relay FJ1 is driven to suck;
when current enters from the coil terminal 4 of the first direction relay FJ1 and flows out through the coil terminal 1 of the first direction relay FJ1, the first direction relay FJ1 is driven to fall;
the driving state of the first direction relay FJ1 is sent to a safety host, the safety host collects the current state of the first direction relay FJ1, wherein the first direction relay FJ1 is sucked to represent that the current interval is the vehicle receiving direction, the first direction relay FJ1 falls to represent that the current interval is the vehicle departure direction, and the initial state of the first direction relay FJ1 is sucked when the board card is electrified and started again.
4. The circuit of claim 1, wherein the positive direction relay ZXJ adopts an electrodeless relay, receives a suction or drop driving command issued by the safety host, and is in an initial state of dropping when the board card is powered on again.
5. The circuit of claim 1, wherein the reverse direction relay FXJ is a non-polar relay, and receives a sucking or dropping driving command from the security host, and the reverse direction relay FXJ is initially in a dropping state when the board is powered on again.
6. The circuit of claim 2, wherein the supervision block relay JQJ is an electrodeless slow release relay, and the supervision block relay JQJ is picked up when all sections between two stations are idle and current is flowing through the supervision block relay JQJ.
7. The circuit of claim 2 or 6, wherein the first direction relay FJ1, the second direction relay FJ2, the forward direction relay ZXJ, the reverse direction relay FXJ and the supervision block relay JQJ are arranged inside a board of an all-electronic automatic blocking execution module by adopting micro relays to form an automatic blocking change operation direction circuit.
8. The circuit according to any one of claims 1 to 6, wherein the external connection terminal is configured to perform a change in the inter-zone travel direction between two stations in cooperation with an adjacent station.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112278019B (en) * | 2020-12-31 | 2021-07-13 | 卡斯柯信号(北京)有限公司 | Semi-automatic block circuit and driving method of semi-automatic block circuit |
| CN112678029B (en) * | 2021-03-18 | 2021-06-15 | 卡斯柯信号(北京)有限公司 | Full electronic inter-station contact execution module circuit |
| CN114987575B (en) * | 2022-08-04 | 2022-12-09 | 卡斯柯信号(北京)有限公司 | Code sending control circuit for full electronic transformation |
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