CN113085954A - Logic control system generation method for railway vehicle and corresponding system - Google Patents
Logic control system generation method for railway vehicle and corresponding system Download PDFInfo
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- 238000007781 pre-processing Methods 0.000 claims abstract description 28
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
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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
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The application discloses a logic control system generation method for a rail vehicle and a corresponding system, wherein the method comprises the following steps: and acquiring a logic control system for the pre-processing railway vehicle. Acquiring attribute information of a relay in a logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function. And judging whether the target relay meets the replacement condition or not according to the attribute information of the target relay. And if so, determining the target relay as a target replaceable relay in the logic control system for the pre-processed rail vehicle. The control logic of the target replaceable relay is obtained, the electronic logic control circuit of the target replaceable relay is generated based on the control logic of the target replaceable relay, the electronic logic control circuit of the target replaceable relay is used for replacing the target replaceable relay, a logic control system for the rail vehicle is generated, and the high-efficiency and safe logic control of the rail vehicle is achieved.
Description
Technical Field
The application relates to the field of railway vehicle control, in particular to a logic control system generation method for a railway vehicle and a corresponding system.
Background
The circuit control of the rail vehicle generally adopts a relay control, and the relay can adopt a plurality of hard wire connections in the control. Once a fault easily causes the vehicle to be shut down, if a relay redundancy design is adopted to ensure the reliability of operation, the relays are added, and the cost is increased. In addition, the installation space in the vehicle control cabinet is limited, so that the existing installation space is changed, and the human-computer interaction operation of a driver is not friendly.
At present, an electronic logic control method is adopted to replace the original relay control method, but the existing electronic logic control method does not provide a replacement standard of the relay on the railway vehicle, and danger is easy to occur if the relay on the railway vehicle is directly replaced.
Disclosure of Invention
In order to solve the technical problems, the application provides a method for generating a logic control system for a railway vehicle and a corresponding system, which are used for providing a relay replacement specification on the railway vehicle and realizing the high-efficiency and safe logic control of the railway vehicle.
In order to achieve the above purpose, the technical solutions provided in the embodiments of the present application are as follows:
the embodiment of the application provides a logic control system generation method for a railway vehicle, which comprises the following steps:
acquiring a logic control system for preprocessing the rail vehicle;
acquiring attribute information of a relay in the logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing sequence, a location, and a function;
judging whether the target relay meets a replacement condition or not according to the attribute information of the target relay; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle;
if so, determining the target relay as a target replaceable relay in the logic control system for the preprocessed railway vehicle;
acquiring control logic of a target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay;
replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate a logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle.
Optionally, generating an electronic logic control device based on the electronic logic control circuit of each target replaceable relay; the electronic logic control device is used for realizing the circuit logic of each target replaceable relay;
replacing the target replaceable relay in the logic control system for the pre-processed railway vehicle with the electronic logic control circuit of the target replaceable relay to generate the logic control system for the railway vehicle, wherein the logic control system comprises:
replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the pre-processed rail vehicle to generate a logic control system for the rail vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle.
Optionally, the determining, according to the attribute information of the target relay, whether the target relay meets a replacement condition includes:
and judging whether each piece of information meets the corresponding preset condition or not according to each piece of information included in the attribute information.
Optionally, the determining, according to each piece of information included in the attribute information, whether each piece of information satisfies a respective preset condition includes:
when the attribute information comprises the safety level, judging whether the safety level is not greater than a target level;
when the attribute information comprises the loop voltage, judging whether the loop voltage is equal to a target voltage or not;
when the attribute information comprises the loop current, judging whether the loop current is not larger than a target current or not;
when the attribute information comprises the power-on time sequence, judging whether the power-on time sequence lags behind a target power-on time;
when the attribute information comprises the position, judging whether the position meets a preset position condition;
and when the attribute information comprises the function, judging whether the function meets a preset function condition.
Optionally, the method further includes:
collecting monitoring information and recording information of a network event recorder on the rail vehicle; the monitoring information and the recording information are used for monitoring and recording the logic control of the rail vehicle.
Optionally, the method further includes:
collecting contact information in an electronic logic control circuit on the whole vehicle;
and sending the contact information to a driver display interface so that the driver display interface can display the contact information.
The embodiment of the application also provides a logic control system for the railway vehicle,
the logic control system for the railway vehicle is obtained by replacing the target replaceable relay in the logic control system for the railway vehicle with the electronic logic control circuit of the target replaceable relay; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle;
the electronic logic control circuit of the target replaceable relay is generated based on the control logic of the target replaceable relay; the target replaceable relay is a target relay with attribute information meeting replacement conditions; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function.
Optionally, generating an electronic logic control device based on the electronic logic control circuit of each target replaceable relay; the electronic logic control device is used for realizing the circuit logic of each target replaceable relay;
the logic control system for the railway vehicle is obtained by replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the pre-processed railway vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle.
Optionally, the replaceable relay is specifically a target relay, where each piece of information included in the attribute information meets a respective preset condition.
Optionally, when the attribute information includes the security level, the preset condition corresponding to the security level is that the security level is not greater than a target level;
when the attribute information comprises the loop voltage, the loop voltage corresponds to a preset condition that the loop voltage is equal to a target voltage;
when the attribute information comprises the loop current, the loop current corresponds to a preset condition that the loop current is not larger than a target current;
when the attribute information comprises the power-on time sequence, the preset condition corresponding to the power-on time sequence is that the power-on time sequence lags behind the target power-on time;
when the attribute information comprises the position, the preset condition corresponding to the position is that the position meets a preset position condition;
and when the attribute information comprises the function, the preset condition corresponding to the function is that the function meets the preset function condition.
Optionally, the electronic logic control circuit comprises a target contact and a target bypass contact; the target bypass contact is a replaceable contact of the target contact.
Optionally, a photoelectric isolator is disposed in the electronic logic control device, and the photoelectric isolator is used for performing photoelectric isolation on input and output of the electronic logic control device.
The embodiment of the application also provides a railway vehicle, and the railway vehicle comprises the logic control system for the railway vehicle.
According to the technical scheme, the method has the following beneficial effects:
the embodiment of the application provides a logic control system generation method for a railway vehicle and a corresponding system, wherein the method comprises the following steps: and acquiring a logic control system for the pre-processing railway vehicle. Acquiring attribute information of a relay in a logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function. Judging whether the target relay meets the replacement condition or not according to the attribute information of the target relay; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle. And if so, determining the target relay as a target replaceable relay in the logic control system for the pre-processed rail vehicle. And acquiring the control logic of the target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay. Replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate the logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle. By the method, the substitution standard of the relay on the rail vehicle is provided, the relay which can be substituted by the electronic logic circuit in the logic control system for the rail vehicle can be determined, the use of the relay is saved, and the high-efficiency and safe logic control of the rail vehicle is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for generating a logic control system for a rail vehicle according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an electronic logic control circuit for an alternative relay to the objectives provided by embodiments of the present application;
fig. 3 is a schematic diagram of a relay control method provided in an embodiment of the present application;
fig. 4 is a schematic diagram of an electronic logic control apparatus according to an embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the drawings are described in detail below.
Referring to fig. 1, fig. 1 is a flowchart of a method for generating a logic control system for a rail vehicle according to an embodiment of the present application. As shown in fig. 1, the method comprises steps S101-S106:
s101: and acquiring a logic control system for the pre-processing railway vehicle.
At present, a large number of mechanical contacts, intermediate relays and time relays exist in train vehicles. Referring to fig. 2, fig. 2 is a schematic diagram of a relay control method provided in an embodiment of the present application. By energizing the coil of relay KALA1, the contacts of KALA1 can be controlled to close to account for the corresponding logic control. The relay and the mechanical contact are connected through a cable wire to form a logic control system for the pretreatment railway vehicle. The logic control system for the pre-processing railway vehicle transmits control signals generated by the mechanical contacts and the relay to equipment such as traction equipment, braking equipment, an air conditioner and a vehicle door on the vehicle. The operation of logic control systems for pre-processing rail vehicles can directly affect the operation safety of rail trains. Since the relays are connected by many hard wires in the control, the vehicle is easily shut down in case of a failure.
S102: acquiring attribute information of a relay in a logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function.
And acquiring attribute information of a relay in the logic control system for the pre-processed rail vehicle. Wherein the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function.
It should be noted that the Safety Level of the relay may be referred to as Safety Integrity Level (SIL). SIL certification is a total of 4 levels, SIL1, SIL2, SIL3, and SIL4, respectively. Among them, the SIL4 is the most demanding.
S103: judging whether the target relay meets the replacement condition or not according to the attribute information of the target relay; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle.
And determining any one of the relays in the logic control system for the pre-processing railway vehicle as a target relay. And judging whether the target relay meets the replacement condition, namely judging whether any relay in the logic control system for the pre-processed railway vehicle meets the replacement condition. When the target relay meets the replacement condition, the target relay is replaced by the corresponding electronic logic control circuit. Specifically, whether the target relay meets the replacement condition is judged according to the attribute information of the target relay.
When the method is specifically implemented, whether the target relay meets the replacement condition is judged according to the attribute information of the target relay, and the method comprises the following steps:
and judging whether each piece of information meets the corresponding preset condition or not according to each piece of information included in the attribute information.
Wherein, judging whether each information satisfies the corresponding preset condition according to each information included in the attribute information includes:
when the attribute information comprises a safety level, judging whether the safety level is not greater than a target level;
when the attribute information includes a loop voltage, judging whether the loop voltage is equal to a target voltage;
when the attribute information comprises loop current, judging whether the loop current is not larger than the target current;
when the attribute information comprises a power-on time sequence, judging whether the power-on time sequence lags behind the target power-on time;
when the attribute information comprises a position, judging whether the position meets a preset position condition;
and when the attribute information comprises the function, judging whether the function meets the preset function condition.
It should be noted that, when the attribute information includes a safety level, the preset condition of the safety level of the target relay is that the safety level is not greater than the target level. Wherein, the target grade is judged according to the actual situation. As an example, the target level is a safety level corresponding to the electronic logic control device. Relays corresponding to functional circuits of SIL level and below of the electronic logic control means used can be replaced, and vice versa. For example, using a SIL2 rating electronic logic control device, the target rating is a SIL2 rating. The details of the electronic logic control device are described later.
When the attribute information includes the loop voltage, the preset condition of the loop voltage of the target relay is that the loop voltage of the target relay is equal to the target voltage. As an example, the target voltage is a rated operating voltage of the electronic logic control device. For example, if the rated operating voltage of the electronic logic control device is DC110V, then the target relay with a loop voltage equal to DC110V can be replaced.
When the attribute information includes the loop current, the preset condition of the loop current of the target relay is that the loop current of the target relay is not greater than the target current. As an example, the target current is a rated operating current of the electronic logic control device. For example, if the rated operating current of the electronic logic control device is 2A, the target relay having a loop current of not more than 2A can be replaced.
When the attribute information includes a power-on timing, the preset condition of the power-on timing of the target relay is to lag behind the target power-on time. As an example, the target power-on time is an electronic logic control device power-on time. The target relay that powers up after the electronic logic control device power up time may be replaced. For example, relays associated with battery charging cannot be replaced.
When the attribute information includes a position, the preset condition of the position of the target relay is that the preset position condition is met. As an example, the preset position condition is that the target relay is not installed in other devices. As another example, the preset position condition is that the target relay does not belong to a subcomponent of the other equipment system. As another example, the preset position condition is that the target relay is not installed under the rail vehicle. It will be appreciated that the target relay is retained when installed in other equipment, or as a subcomponent of other equipment systems, or under a rail vehicle.
When the attribute information includes a function, the preset condition of the function of the target relay is a preset function condition. As an example, the preset functional condition is that the failure of the target relay does not cause the rail vehicle to stop running. If the target relay fails, which may result in the rail vehicle stopping, the target relay is retained.
It should be noted that, when each piece of information included in the attribute information of the target relay meets the corresponding preset condition, the target relay meets the replacement condition, and can be replaced by the corresponding electronic logic control circuit. According to the preset conditions corresponding to the information included in the attribute information of the target relay, the replacement specification of the relay on the railway vehicle is determined, namely the relay which can be replaced by the corresponding electronic logic control circuit in the logic control system for the pre-processed railway vehicle is determined.
S104: and if so, determining the target relay as a target replaceable relay in the logic control system for the pre-processed rail vehicle.
And when the target relay is determined to meet the replacement condition according to the attribute information of the target relay, determining that the target relay is a target replaceable relay in the logic control system for the pre-processed railway vehicle. Specifically, when each piece of information included in the attribute information of the target relay meets the corresponding preset condition, the target relay is determined to be a target replaceable relay in the logic control system for the pre-processed rail vehicle. Where the target replaceable relay may be replaced by a corresponding electronic logic control circuit.
S105: and acquiring the control logic of the target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay.
And acquiring the control logic of the target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay. The control logic of the target replaceable relay is the control logic which can be realized by the relay and the related circuit. Based on the control logic of the target replaceable relay, an electronic logic control circuit of the target replaceable relay may be generated. Wherein the electronic logic control circuit of the target replaceable relay is used to implement the control logic of the target replaceable relay.
It will be appreciated that the target may replace at least one relay.
It should be noted that the electronic logic control device is generated based on the electronic logic control circuit of each target replaceable relay; electronic logic control devices are used to achieve various objectives in place of the circuit logic of the relay.
In specific implementation, the electronic logic control circuit of the target replaceable relay is used for replacing the target replaceable relay in the logic control system for the railway vehicle in the preprocessing, so as to generate the logic control system for the railway vehicle, and the method comprises the following steps:
replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the pre-processed rail vehicle to generate a logic control system for the rail vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle. It is understood that the target branch is at least one. The electronic logic control device replaces all replaceable relays in the logic control system for the pre-processing railway vehicle; the electronic logic control device is used for realizing the control logic of all the replaceable relays. The target alternative relay is one of all the alternative relays.
It should be noted that, referring to fig. 3, fig. 3 is a schematic diagram of an electronic logic control device provided in an embodiment of the present application. As shown in fig. 3, the electronic logic control device has a digital input signal acquisition function, can accurately acquire the power-on and power-off states of the DC110V loop on the rail vehicle, and mainly includes: the system comprises a driver controller, a key switch group, an isolation air switch, various auxiliary interlocking contacts and the like. The digital quantity input signal comprises a switching quantity signal state. And performing software logic operation according to the acquired switching value signal state, and performing switching value output control on a logic operation result so as to complete various time sequence control functions of cab activation, train traction braking, vigilance, direction, lifting bow, vehicle door, automatic driving and the like. It can be understood that the whole logic of the electronic logic control device for realizing the output control through the collected switching value signal state is the control logic realized by all the replaceable relays and the related circuits.
S106: replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate the logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle.
Replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate the logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle. It can be understood that the non-target can be reserved instead of the relay, and the logic control system for the railway vehicle is designed for a whole vehicle circuit based on an electronic logic control device.
In addition, monitoring information and recording information of a network event recorder on the rail vehicle are collected; the monitoring information and the recording information are used for monitoring and recording the logic control of the rail vehicle. The network event recorder of the vehicle is combined to monitor and record all logic control processes of the rail vehicle in real time, and the rail vehicle fault diagnosis and treatment system has the advantages of providing data support for later-stage overhaul maintenance and fault analysis and investigation and the like. It is understood that the network time recorder records all the logical control processes of the rail vehicle, and the logical control processes are backed up. It should be noted that, as an example, the point of each contact in the electronic logic control device is monitored in the system memory, so that the function of each contact can be monitored and located. Meanwhile, the fault information can be stored in the network event recorder, so that the subsequent analysis is facilitated.
In addition, contact information in an electronic logic control circuit on the whole vehicle can be collected. And sending the collected contact information to a driver display interface for the driver display interface to display the contact information. When the contact breaks down, the driver display interface can show corresponding contact fault information to carry out the quick location of trouble, the driver knows the condition in advance with the trouble suggestion when someone drives, thereby has improved the operation efficiency of vehicle. Wherein the contact fault information includes the faulty contact and the function of the corresponding contact. As an example, the driver display interface is a display screen arranged on the operation table.
The logic control system generation method for the rail vehicle provided by the embodiment of the application comprises the following steps: and acquiring a logic control system for the pre-processing railway vehicle. Acquiring attribute information of a relay in a logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function. Judging whether the target relay meets the replacement condition or not according to the attribute information of the target relay; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle. And if so, determining the target relay as a target replaceable relay in the logic control system for the pre-processed rail vehicle. And acquiring the control logic of the target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay. Replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate the logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle. By the method, the substitution standard of the relay on the rail vehicle is provided, the relay which can be substituted by the electronic logic circuit in the logic control system for the rail vehicle can be determined, the use of the relay is saved, and the high-efficiency and safe logic control of the rail vehicle is realized.
The embodiment of the application also provides a logic control system for the rail vehicle, wherein the logic control system for the rail vehicle is obtained by replacing an electronic logic control circuit of a target replaceable relay with a target replaceable relay in a logic control system for the rail vehicle in a preprocessing manner; the logic control system for the rail vehicle is used for realizing a logic control function on the rail vehicle;
an electronic logic control circuit of the target replaceable relay is generated based on the control logic of the target replaceable relay; the target replaceable relay is a target relay with attribute information meeting the replacement condition; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function.
In specific implementation, the electronic logic control device can be generated on the basis of the electronic logic control circuit of each target replaceable relay; the electronic logic control device is used for realizing circuit logic of various targets which can replace the relay; the logic control system for the rail vehicle is obtained by replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the rail vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle.
It should be noted that the electronic logic control device integrates a power board, a communication board (MVB, CAN, or ethernet), a control board, and a signal acquisition and output board. Wherein, the control board card integrates an electronic logic control circuit. The electronic logic control device replaces a large number of replaceable relays for vehicles. The signal acquisition and output board card can acquire electrical signals of a controller, a switch, a key, a contactor auxiliary contact and the like on the vehicle, and various loads are driven after logic calculation to complete a specified time sequence logic control function.
The electronic logic control device can replace the preset logic control requirement of the relay, has the functions of normally open, normally closed, AND, OR, NOT, time delay, self locking, interlocking and the like, completes logic calculation, and transmits the calculation result to each service board through the communication board card in real time. And after receiving the instruction, the service board immediately updates the output instruction and the state.
It should be noted that, the relay may be replaced by a target relay, where each piece of information included in the attribute information satisfies a corresponding preset condition.
When the attribute information comprises a safety level, the preset condition corresponding to the safety level is that the safety level is not greater than a target level; when the attribute information comprises loop voltage, the preset condition corresponding to the loop voltage is that the loop voltage is equal to the target voltage; when the attribute information comprises loop current, the preset condition corresponding to the loop current is that the loop current is not greater than the target current; when the attribute information comprises a power-on time sequence, a preset condition corresponding to the power-on time sequence is that the power-on time sequence lags behind the target power-on time; when the attribute information comprises a position, the preset condition corresponding to the position is that the position meets the preset position condition; when the attribute information comprises the function, the preset condition corresponding to the function is that the function meets the preset function condition.
It should be noted that, in order to have strong redundancy and ensure the running safety of the rail vehicle, the electronic logic control circuit includes a target contact and a target bypass contact. Wherein the target bypass contact is a replaceable contact of the target contact. When the target contact fails, the target bypass contact can be used to perform the corresponding function. By way of example in fig. 4, fig. 4 is a schematic diagram of an electronic logic control circuit for an alternative relay to the object provided by the embodiments of the present application. The contact in the electronic logic control circuit is used for replacing a train brake unreleasing relay and a train parking brake releasing relay in the figure 4, and the electronic logic control circuit is respectively provided with a corresponding bypass contact 1 and a corresponding bypass contact 2.
In addition, the electronic logic control device is provided with the photoelectric isolator which is used for carrying out photoelectric isolation on the input and the output of the electronic logic control device, so that the single-point damage fault is prevented from spreading, and the reliability is high.
It should be noted that, in particular, the electronic logic control devices in the rail vehicle are distributed. In specific implementation, a chassis (generally adopting a standard 3U chassis) is arranged in an electrical cabinet of each vehicle, and the electronic logic control device is packaged in the 3U chassis. The electronic logic control devices in all vehicles control the circuits of all vehicles, the functions are mutually independent, and the respective logic control functions are realized. The device equipment adopts CAN network to communicate, and realizes data interaction with the train control and management system network through MVB or Ethernet; the redundant design mode of two chassis is adopted in the two head cars, namely two redundant electronic logic control devices are arranged in the two head cars of the railway vehicle; a photoelectric isolator is arranged between the two electronic logic control devices with redundant designs to prevent the other electronic logic control device from burning due to the fault caused by the short circuit of one electronic logic control device. And each device is provided with an encoder, and the code identification of each compartment can be carried out through the code setting. In addition, the board card in each electronic logic control device is a double-board card, and has very strong fault tolerance. Because the redundant board cards have the same and independent functions, the case and the board cards with the same functions can be interchanged. The power panel of the electronic logic control device has the functions of output over-voltage and under-voltage protection, over-temperature protection, output overload protection, short-circuit protection, fault self-recovery and the like, and can automatically perform whole-group switching if any one power supply fails.
In specific implementation, the logic control during the operation of the rail train is as follows: the control between the redundant electronic logic control circuit and the board card adopts a reasonable main/standby logic switching mechanism and a state arbitration mechanism, so that disordered main/standby competition is avoided. When the target contact in the electronic logic control circuit has no signal output, the target bypass contact can output, and further when the output signal of the target bypass contact is invalid, the target bypass contact is switched to another electronic logic control circuit, so that the double redundancy of the output circuit is increased. In consideration of automatic implementation of redundancy of the electronic logic control circuit, a communication mode of a communication CAN/Ethernet is arranged between the chassis, and when any fault such as power supply fault, loss of life signals, output short circuit or output open circuit occurs in a single group of control systems, the single group of control systems is automatically switched to another electronic logic control circuit. In specific implementation, due to the fact that communication exists between the electronic logic control circuits, when two board cards in one electronic logic control circuit lose life signals at the same time, the delay 5s is switched to the other electronic logic control circuit, and the train operation is not affected by the switching action, so that the hot switching function is achieved. In addition, after the redundant points are switched, the driver reports the fault to the vehicle operation center under the condition of not influencing the vehicle operation, and if the other board card of the single machine is redundant, the vehicle can normally drive when the operation is not influenced. When the host is switched, the host is operated to the terminal station and then the garage is taken into consideration for maintenance, so that the operation to midway parking rescue is avoided.
It should be noted that after a board card fails once, a vehicle must be able to complete a task of moving passengers to a terminal, and after a redundant chassis fails for the second time, the vehicle must be able to safely stop, and it should be noted here that the above-mentioned vehicle mostly adopts a virtual interface mode based on unmanned driving, but in consideration of special meaning conditions, when the vehicle does not move to the terminal or the station stops, a set of key functions on the rail vehicle adopts physical entity control, and these functions cannot be trusted by software, a virtual interface and remote operation, and when a rescuer gets on the vehicle, the vehicle can be quickly pulled by operating the physical entity control, so as to avoid affecting public traffic order. When unmanned, to the trouble that appears, accessible vehicle bottom wireless communication system sends trouble information to subway operation center.
According to the logic control system for the railway vehicle, the logic control system for the railway vehicle is obtained by replacing an electronic logic control circuit of a target replaceable relay with a target replaceable relay in a logic control system for the railway vehicle in a preprocessing manner; the logic control system for the rail vehicle is used for realizing a logic control function on the rail vehicle; an electronic logic control circuit of the target replaceable relay is generated based on the control logic of the target replaceable relay; the target replaceable relay is a target relay with attribute information meeting the replacement condition; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function. The system provides a replacement specification of the relay on the rail vehicle, can determine the relay which can be replaced by the electronic logic circuit in the logic control system for the rail vehicle to be preprocessed, saves the use of the relay, and realizes the high-efficiency and safe logic control of the rail vehicle.
The embodiment of the application also provides a railway vehicle, and the railway vehicle comprises the logic control system for the railway vehicle in the embodiment.
It should be noted that, in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. The method disclosed by the embodiment corresponds to the system disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the system part for description.
It should also be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (13)
1. A method of generating a logical control system for a rail vehicle, the method comprising:
acquiring a logic control system for preprocessing the rail vehicle;
acquiring attribute information of a relay in the logic control system for the pre-processed rail vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing sequence, a location, and a function;
judging whether the target relay meets a replacement condition or not according to the attribute information of the target relay; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle;
if so, determining the target relay as a target replaceable relay in the logic control system for the preprocessed railway vehicle;
acquiring control logic of a target replaceable relay, and generating an electronic logic control circuit of the target replaceable relay based on the control logic of the target replaceable relay;
replacing the target replaceable relay in the logic control system for the pre-processed rail vehicle by the electronic logic control circuit of the target replaceable relay to generate a logic control system for the rail vehicle; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle.
2. The method of claim 1, wherein an electronic logic control is generated based on an electronic logic control circuit of each of the target replaceable relays; the electronic logic control device is used for realizing the circuit logic of each target replaceable relay;
replacing the target replaceable relay in the logic control system for the pre-processed railway vehicle with the electronic logic control circuit of the target replaceable relay to generate the logic control system for the railway vehicle, wherein the logic control system comprises:
replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the pre-processed rail vehicle to generate a logic control system for the rail vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle.
3. The method of claim 2, wherein the determining whether the target relay satisfies a replacement condition according to the attribute information of the target relay comprises:
and judging whether each piece of information meets the corresponding preset condition or not according to each piece of information included in the attribute information.
4. The method according to claim 3, wherein the determining whether each piece of information satisfies a respective preset condition according to each piece of information included in the attribute information includes:
when the attribute information comprises the safety level, judging whether the safety level is not greater than a target level;
when the attribute information comprises the loop voltage, judging whether the loop voltage is equal to a target voltage or not;
when the attribute information comprises the loop current, judging whether the loop current is not larger than a target current or not;
when the attribute information comprises the power-on time sequence, judging whether the power-on time sequence lags behind a target power-on time;
when the attribute information comprises the position, judging whether the position meets a preset position condition;
and when the attribute information comprises the function, judging whether the function meets a preset function condition.
5. The method of claim 1, further comprising:
collecting monitoring information and recording information of a network event recorder on the rail vehicle; the monitoring information and the recording information are used for monitoring and recording the logic control of the rail vehicle.
6. The method of claim 1, further comprising:
collecting contact information in an electronic logic control circuit on the whole vehicle;
and sending the contact information to a driver display interface so that the driver display interface can display the contact information.
7. A logic control system for a rail vehicle,
the logic control system for the railway vehicle is obtained by replacing the target replaceable relay in the logic control system for the railway vehicle with the electronic logic control circuit of the target replaceable relay; the logic control system for the railway vehicle is used for realizing logic control functions on the railway vehicle;
the electronic logic control circuit of the target replaceable relay is generated based on the control logic of the target replaceable relay; the target replaceable relay is a target relay with attribute information meeting replacement conditions; the target relay is any one of the relays in the logic control system for the pre-processing railway vehicle; the attribute information includes one or more of a security level, a loop voltage, a loop current, a power-on timing, a location, and a function.
8. The system of claim 7, wherein the electronic logic control is generated based on an electronic logic control circuit of each of the target replaceable relays; the electronic logic control device is used for realizing the circuit logic of each target replaceable relay;
the logic control system for the railway vehicle is obtained by replacing a target branch in the electronic logic control device with a target replaceable relay in the logic control system for the pre-processed railway vehicle; the target branch is used for realizing the control logic of the target replaceable relay in the logic control system for the pre-processing railway vehicle.
9. The system according to claim 7, wherein the alternative relay is specifically a target relay whose attribute information includes information each of which satisfies a respective corresponding preset condition.
10. The system of claim 9,
when the attribute information comprises the safety level, the preset condition corresponding to the safety level is that the safety level is not greater than a target level;
when the attribute information comprises the loop voltage, the loop voltage corresponds to a preset condition that the loop voltage is equal to a target voltage;
when the attribute information comprises the loop current, the loop current corresponds to a preset condition that the loop current is not larger than a target current;
when the attribute information comprises the power-on time sequence, the preset condition corresponding to the power-on time sequence is that the power-on time sequence lags behind the target power-on time;
when the attribute information comprises the position, the preset condition corresponding to the position is that the position meets a preset position condition;
and when the attribute information comprises the function, the preset condition corresponding to the function is that the function meets the preset function condition.
11. The system of claim 7, wherein the electronic logic control circuit comprises a target contact and a target bypass contact; the target bypass contact is a replaceable contact of the target contact.
12. The system of claim 7, wherein an opto-isolator is provided in the electronic logic control device for opto-electrically isolating the input and output of the electronic logic control device.
13. A rail vehicle, characterized in that it comprises a logic control system for rail vehicles according to any one of claims 7 to 12.
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