CN114834500B - Signal system cutting circuit and cutting method for carriage chassis separation - Google Patents
Signal system cutting circuit and cutting method for carriage chassis separation Download PDFInfo
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- CN114834500B CN114834500B CN202210457424.5A CN202210457424A CN114834500B CN 114834500 B CN114834500 B CN 114834500B CN 202210457424 A CN202210457424 A CN 202210457424A CN 114834500 B CN114834500 B CN 114834500B
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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
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0036—Conductor-based, e.g. using CAN-Bus, train-line or optical fibres
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Abstract
The invention provides a signal system cutting circuit and a signal system cutting method for carriage chassis separation, wherein the circuit comprises the following components: the automatic train control system (ATC) cutting unit, an output plug box and a signal control circuit; a first ATC cutting unit in the ATC cutting units is arranged in a carriage of the train, and a second ATC cutting unit is arranged on a chassis of the train; the first ATC cutting unit and/or the second ATC cutting unit are/is used for receiving the operation information and the control signal of the signal system and performing actions according to the operation information and the control signal of the signal system so as to control the output state of the output plug-in box; and the signal control circuit is used for controlling the train according to the output state of the output plug box. The invention can accurately and conveniently control the cutting state of the signal system when any ATC cutting unit on the carriage and the chassis acts, has strong applicability and effectively ensures the safety of the train.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a signal system cutting circuit and a signal system cutting method for carriage chassis separation.
Background
At present, along with the continuous update of urban rail transit technology, more perfect automation and informatization gradually become the trend of future development of the rail transit industry. Among them, intelligent driving systems have been widely used. In this scenario, the chassis and the car of the train may operate independently; therefore, the chassis and the carriage are provided with signal control equipment, and in order to ensure the driving safety of the train, the cutting-off state of the signal system equipment needs to be controlled on the chassis and the carriage.
In the prior art, rail transit signal system equipment is mainly installed in a carriage, independent operation of a chassis does not exist, the existing cut-off circuit design can only control the cut-off state of the signal system equipment in the carriage, and the cut-off state of the signal system outside the carriage cannot be controlled.
Therefore, the cutting circuit in the prior art cannot be suitable for intelligent driving scenes of separation of a carriage and a chassis, the cutting state of a signal system cannot be accurately and conveniently controlled outside the carriage, and further, the train cannot be accurately controlled.
Disclosure of Invention
The invention provides a signal system cutting circuit and a signal system cutting method for carriage chassis separation, which are used for solving the defects that the existing cutting circuit design in the prior art can only control the cutting state of signal system equipment in a carriage, cannot be suitable for an intelligent driving scene of carriage and chassis separation, cannot accurately and conveniently control the cutting state of the signal system in the intelligent driving scene, and further cannot accurately control a train, and can accurately control the cutting state of the signal system in both the carriage and the chassis, thereby improving the convenience and accuracy of train operation.
The invention provides a signal system cut-off circuit facing carriage chassis separation, comprising: the automatic train control system (ATC) cutting unit, an output plug box and a signal control circuit;
The output plug-in box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal;
the ATC cutting unit comprises a first ATC cutting unit and a second ATC cutting unit; the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train;
The first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system;
The first ATC cutting unit and/or the second ATC cutting unit are/is used for receiving the operation information and the control signal of the signal system and performing actions according to the operation information and the control signal of the signal system so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
and the signal control circuit is used for controlling the train according to the output state of the output plug box.
According to the signal system cutting circuit facing the carriage chassis separation, for each ATC cutting unit in the first ATC cutting unit and the second ATC cutting unit, each ATC cutting unit comprises a receiving module, a control module and a cutting switch;
The receiving module is used for receiving the operation information and the control signal of the signal system;
The control module is used for determining the running state of the signal system according to the running information of the signal system, determining the control state of the signal system on the train according to the control signal, and controlling the cut-off switch to be positioned at a control position or a cut-off position according to the running state and the control state;
the cut-off switch is used for outputting a first level signal when the cut-off switch is positioned at a cut-off position, and outputting a second level signal when the cut-off switch is positioned at a control position; the first level signal is greater than the second level signal.
According to the signal system cut-off circuit facing the separation of the carriage chassis, the signal control circuit comprises a first signal control circuit and a second signal control circuit;
the first signal control circuit comprises one or more of a vehicle door enabling control circuit, a zero-speed signal control circuit, a cab activation control circuit, a direction control circuit, a jump instruction control circuit and a traction state cutting control circuit;
The second signal control circuit comprises one or more of an emergency braking excision control circuit, a traction cutoff excision control circuit and a braking state excision control circuit.
According to the signal system cutting circuit facing the separation of the carriage chassis, when the signal control circuit comprises the zero-speed signal control circuit, the first ATC cutting unit is sequentially connected with the output plug box, the second ATC cutting unit and the zero-speed signal control circuit in series.
According to the signal system cutting circuit facing carriage chassis separation, when the running state of the signal system is abnormal or the control state of the train is uncontrolled, the first ATC cutting unit and/or the second ATC cutting unit act, the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit is controlled to be positioned at a cutting position, and a first level signal is output;
the output plug-in box is specifically configured to, when the first level signal is received, not output the control signal including a zero-speed signal in the output state;
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and a second level signal is output;
The output plug box is specifically configured to output the control signal including a zero-speed signal in the output state when the second level signal is received.
According to the signal system cut-off circuit facing the separation of the carriage chassis, when the signal control circuit comprises the traction cut-off control circuit, the first ATC cut-off unit and the second ATC cut-off unit are connected in parallel with the output plug-in box, and the output plug-in box is connected in series with the traction cut-off control circuit.
According to the signal system cutting circuit facing carriage chassis separation, when the running state of the signal system is abnormal or the control state of the train is uncontrolled, the first ATC cutting unit and/or the second ATC cutting unit act, the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit is controlled to be positioned at a cutting position, and a first level signal is output;
the output plug box is specifically configured to, when the first level signal is received, not output the control signal including a traction cut-off signal in the output state;
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and a second level signal is output;
the output plug box is specifically used for outputting the control signal containing the traction cutting-off signal under the condition that the second level signal is received.
According to the signal system cut-off circuit facing to carriage chassis separation, the zero-speed signal control circuit comprises a plurality of groups of first relays.
According to the signal system cut-off circuit facing to carriage chassis separation, the traction cut-off control circuit comprises an emergency brake switch, a gun charging switch, a door lock closing switch, an automatic driving mode activating switch, a bogie isolating plug door unit, a total wind cut-off plug door unit and a second relay;
wherein the emergency brake switch is connected with the output plug box in series;
the output plug box is connected with a parallel loop formed by the gun charging switch, the door lock closing switch and the automatic driving mode activating switch, the bogie isolating plug door unit, the total wind intercepting plug door unit and the second relay in series.
The invention also provides a cutting method of the signal system cutting circuit facing the chassis separation of the carriage, which comprises the following steps:
receiving operation information and control signals of a signal system of a train;
According to the operation information and the control signal of the signal system, the first ATC cutting unit and/or the second ATC cutting unit are controlled to act so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
the control signal control circuit controls the train according to the output state of the output plug box;
the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train;
The first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system; the output plug box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal.
According to the signal system cutting circuit and the signal system cutting method for the separation of the carriage chassis, the ATC cutting units are respectively arranged on the carriage and the chassis, so that the cutting state of the signal system can be controlled when any ATC cutting unit on the carriage and the chassis acts, the signal system cutting circuit and the signal system cutting method can be suitable for the carriage which can be separated, can be suitable for the two scenes with the automatic running of the carriage and the independent automatic running of the chassis, can also be suitable for the non-separated carriage scene, are high in applicability, can accurately and conveniently control the cutting state of the signal system, and further effectively guarantee the safety of a train and the convenience and accuracy of operation.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a cut-out circuit of a signaling system for chassis separation in a vehicle compartment according to the present invention;
fig. 2 is a schematic diagram of the TAC cutting unit and the signal control circuit in the signal system cutting circuit facing to the chassis separation of the carriage;
FIG. 3 is a schematic diagram of a second embodiment of a cut-out circuit for a signaling system for chassis separation in a vehicle compartment;
FIG. 4 is a third schematic diagram of a cut-out circuit for a signaling system for chassis separation in a vehicle compartment according to the present invention;
fig. 5 is a schematic flow chart of a method for cutting off a signal system cutting-off circuit facing to chassis separation of a carriage.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that in the description of embodiments of the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or device 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, apparatus, article, or device. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, apparatus, article or device that comprises the element. The orientation or positional relationship indicated by the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and to simplify the description, and are not indicative or implying that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms "first," "second," and the like in embodiments of the present application are used for distinguishing between similar objects and not for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. In addition, in the embodiment of the present application, "and/or" indicates at least one of the connected objects, and the character "/", generally indicates that the associated objects are an or relationship.
The signal system cut-off circuit for car chassis separation of the present invention is described below with reference to fig. 1, and includes an ATC cut-off unit, an output jack box, and a signal control circuit of the train automatic control system; the output plug-in box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal; the ATC cutting unit comprises a first ATC cutting unit and a second ATC cutting unit; the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train;
the ATC (Automatic Train Control, automatic train control system) cutting unit is used for controlling cutting state of the signal system of the train, namely cutting control signals output by the signal system or not cutting control signals output by the signal system.
An ATC (Automatic Train Control, train automation control system) cut-off unit is generated based on at least one set of first ATC cut-off unit and second ATC cut-off unit construction.
The first ATC cutting unit is arranged in a carriage of the train and used for controlling cutting states of a signal system of the train in the carriage; the second ATC cutting unit is arranged on the chassis of the train and used for controlling the cutting state of the signal system of the train at the chassis side; the first ATC cut unit and the second ATC cut unit are cut units of the same type.
For each ATC cut unit, the ATC cut unit at least includes a set of cut switches and other modules, which are not specifically limited in this embodiment.
The output plug box is used for outputting a control signal of a train, which is controlled by a signal system of the train; the control signals include, but are not limited to, a door enable signal, a zero speed signal, a cab activation signal, a jump instruction, a direction control signal, a traction state control signal, a traction cut-off signal, an autopilot activation signal, and the like, which are not particularly limited in this embodiment.
The signal control circuit is one or more circuits controllable by a signal system in the train, such as a zero-speed signal control circuit and/or a traction cut-off and cut-off control circuit, and the embodiment is not particularly limited.
The first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system;
wherein the signal control circuit and the output plug box are connected in series or in parallel to form a branch circuit of the cut-off circuit.
The first ATC cutting unit and the second ATC cutting unit may be connected in series with a branch circuit formed by the signal control circuit and the output jack, or may be connected in parallel, and may specifically be set according to actual requirements, which is not specifically limited in this embodiment.
And the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system, and can acquire control signals when the signal system controls the train.
The first ATC cutting unit and/or the second ATC cutting unit are/is used for receiving the operation information and the control signal of the signal system and performing actions according to the operation information and the control signal of the signal system so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
the first ATC cutting unit and/or the second ATC cutting unit can receive the operation information and the control signal of the signal system in real time;
And the control circuit correspondingly acts according to the operation information and the control signal of the signal system to control the output state of the output plug box, and further control the cutting state of the signal system, namely, control whether the output plug box transmits the control signal output by the signal system to the signal control circuit.
For example, in the case where the first ATC cut-out unit and/or the second ATC cut-out unit are in the cut-out position, the output jack is shorted or opened by the first ATC cut-out unit and/or the second ATC cut-out unit, and the output jack cannot output a control signal to the signal control circuit, that is, the control signal system is isolated from the signal control circuit.
For another example, in the case where the first ATC cut unit and the second ATC cut unit are both in control positions, the output jack may normally output a control signal to the signal control circuit.
The operation of the ATC cutting signal system can be realized in the carriage and the chassis, so that convenience can be improved, meanwhile, the operation of one cutting switch is failed, safety is effectively improved, cutting state control of the signal system can be met when the chassis independently operates, and applicability is strong.
And the signal control circuit is used for controlling the train according to the output state of the output plug box.
Optionally, in the case that the output state of the output jack is that the control signal is not output, the signal control circuit cannot control the train according to the control signal of the signal system, and the train needs to be controlled according to the control signal input by other systems, such as the control signal manually input by a driver;
When the output state of the output plug box is the output control signal, the signal control circuit can control the train according to the control signal of the signal system;
According to the embodiment, the ATC cutting unit is respectively arranged on the carriage and the chassis, so that when any ATC cutting unit on the carriage and the chassis acts, the cutting state of the signal system can be controlled, the automatic cutting device is applicable to the carriage which can be separated, is applicable to two scenes with automatic running of the carriage and independent automatic running of the chassis, is applicable to the situation that the carriage cannot be separated, is high in applicability, can accurately and conveniently control the cutting state of the signal system, and further effectively ensures the safety of a train and the convenience and accuracy of operation.
On the basis of the above embodiment, in this embodiment, for each ATC cutting unit in the first ATC cutting unit and the second ATC cutting unit, each ATC cutting unit includes a receiving module, a control module, and a cutting switch; the receiving module is used for receiving the operation information and the control signal of the signal system; the control module is used for determining the running state of the signal system according to the running information of the signal system, determining the control state of the signal system on the train according to the control signal, and controlling the cut-off switch to be positioned at a control position or a cut-off position according to the running state and the control state; the cut-off switch is used for outputting a first level signal when the cut-off switch is positioned at a cut-off position, and outputting a second level signal when the cut-off switch is positioned at a control position;
The first level signal and the second level signal can be set according to actual requirements, for example, the first level signal is a0 level signal, and the second level signal is a1 level signal; or the first level signal is a1 level signal and the second level signal is a0 level signal, which is not particularly limited in this embodiment.
Alternatively, the present embodiment preferably sets the first level signal to a 0 level signal and the second level signal to a1 level signal.
The cut-off switch comprises a control position and a cut-off position; when the cut-off switch is in the cut-off position and the control position, the level signals output by the cut-off switch are different, the control functions of the output state of the output plug box are different, and then the control functions of the cut-off state of the signal system are also different.
Optionally, for each ATC cutting unit of the first ATC cutting unit and the second ATC cutting unit, a receiving module, a control module and a cutting switch are integrated;
The receiving module is used for receiving the operation information and the control signal of the signal system;
The control module is used for determining the running state of the signal system according to the running information of the signal system, namely determining whether the signal system is in a normal state or an abnormal state, and determining the control state of the signal system on the train according to the control signal, namely determining whether the signal system is currently controlling the train; and then determining whether to cut off the control signal output by the signal system according to the running state and the control state of the signal system, and controlling the cut-off switch to act so as to enable the cut-off switch to be positioned at the control position or the cut-off position.
For example, when the control signal output by the signal system is determined to be required to be cut off, the cut-off switch is controlled to act so that the cut-off switch is positioned at a cut-off position; and when the control signal output by the signal system is required to be used for controlling the train, controlling the cut-off switch to act to a control position.
According to the signal system cutting circuit provided by the embodiment, the ATC cutting unit is used for receiving the operation information and the control signal of the signal system, analyzing the operation information and the control signal of the signal system, acquiring the operation state and the control state of the signal system, and determining the action time of the cutting switch according to the operation state and the control state of the signal system so as to control the cutting switch to act when the action time arrives, so that the cutting state of the signal system can be conveniently and accurately controlled, and the driving safety is effectively ensured.
On the basis of the above embodiment, the signal control circuit in this embodiment includes a first signal control circuit and a second signal control circuit; the first signal control circuit comprises one or more of a vehicle door enabling control circuit, a zero-speed signal control circuit, a cab activation control circuit, a direction control circuit, a jump instruction control circuit and a traction state cutting control circuit; the second signal control circuit comprises one or more of an emergency braking excision control circuit, a traction cutoff excision control circuit and an ATO braking state excision circuit.
As shown in fig. 2, the signal control circuit includes a first signal control circuit and a second signal control circuit; when the signal system is used for controlling the output signal of the vehicle to adopt high level (1 level), the first signal control circuit can only receive the control signal output by the signal system, namely the first signal control circuit is a low level effective circuit; when the signal system is used for controlling the output signal of the vehicle to adopt low level (0 level), the second signal control circuit can only receive the control signal output by the signal system, namely the second signal control circuit is an active high level circuit.
The door enabling control circuit characterizes a control circuit for controlling the opening and closing of the door, and comprises a left door enabling control circuit and a right door enabling control circuit.
The zero speed signal control circuit characterizes a control circuit for enabling the train to maintain a zero speed state;
The cab activation control circuit characterizes a control circuit for performing activation control on the cab;
The direction control circuit characterizes a control circuit for controlling the direction of the train and comprises a direction forward control circuit and a direction backward control circuit;
The jump instruction control circuit characterizes a control circuit for controlling the turnout jump of the train;
the traction state cut control circuit characterizes a control circuit for cutting control of the traction state of the train.
The emergency brake cut-off control circuit characterizes a control circuit that cuts off control of emergency braking of the train.
The traction cut-off control circuit characterizes a control circuit that performs cut-off control of traction cut-off of the train.
The brake state cut-off control circuit characterizes a control circuit for cutting off control of the brake state of the train, such as cutting off the brake state of the ATO for automatic driving of the train.
The signal control circuit in this embodiment is not limited to the above, and may include a sleep instruction control circuit, a non-limiting manual driving EUM mode acquisition control circuit, and the like, which is not particularly limited in this embodiment.
The signal control circuit of the cutting circuit can be set according to actual requirements, so that the system cutting circuit can cover cutting of the vehicle control by output signals of all signal systems, the cutting function of ATC can be achieved in any signal control circuit, and the applicability is strong; meanwhile, the automatic train control system is more suitable for the cutting function of the carriage and the chassis of the carriage separation train, and can also meet the requirement of cutting a signal system of the train under the condition of an ATC cutting switch fault, thereby improving the safety.
On the basis of the above embodiment, in this embodiment, when the signal control circuit includes the zero-speed signal control circuit, the first ATC cutting unit is sequentially connected in series with the output jack, the second ATC cutting unit, and the zero-speed signal control circuit.
Optionally, the first ATC cut-off unit in the cabin and the second ATC cut-off unit on the chassis adopt a serial design for the first signal control circuit which is active at high level, and the design of such a switching circuit is specifically described below taking a zero-speed signal control circuit as an example.
As shown in fig. 3, the first ATC cut-off unit S01 is connected in series with the output jack through a connection terminal, and then sequentially connected in series with the second ATC cut-off unit S02 and the zero-speed signal control circuit.
The zero-speed signal control circuit comprises a zero-speed signal control circuit arranged on the chassis and a zero-speed signal control circuit arranged in the carriage; the zero-speed signal control circuit on the chassis is connected with the zero-speed signal control circuit arranged in the carriage through a wiring terminal.
The switching circuit is used for enabling a relay in the zero speed control circuit to be electrified according to a zero speed signal output by the output plug box, and acquiring the zero speed of the train so as to control the zero speed of the train.
The other first signal control circuit may be connected to the first ATC cutting unit, the output plug box, and the second ATC cutting unit in accordance with the connection method of the zero-speed signal control circuit.
According to the embodiment, only the first ATC cutting unit is sequentially connected with the output inserting box, the second ATC cutting unit and the zero-speed signal control circuit in series, so that the cutting of the carriage can be realized when the ATC is required to be cut off when the carriage is independently operated, the cutting function of the chassis can be realized when the ATC is required to be cut off when the chassis is independently operated, the fact that one cutting switch is incapable of closing the contact is met, the ATC can be cut off through the other cutting switch, system safety is provided, operation is simple, and practicability is high.
On the basis of the above embodiment, in this embodiment, when the running state of the signal system is abnormal or the control state of the train is not controlled, the first ATC cutting unit and/or the second ATC cutting unit act, and a cutting switch of the first ATC cutting unit and/or the second ATC cutting unit is controlled to be located at a cutting position, and the first level signal is output; the output plug-in box is specifically configured to, when the first level signal is received, not output the control signal including a zero-speed signal in the output state;
Optionally, if the signal system outputs the zero speed signal by mistake under the condition that the running state of the signal system is abnormal or the control state of the train is not controlled, the zero speed signal control circuit cannot acquire the actual zero speed signal of the train, and potential safety hazards of opening a door in the process of moving the vehicle can be caused, so that driving safety is affected.
In order to avoid the signal system from outputting zero-speed signals by mistake under the scene, when the signal system does not participate in controlling the vehicle or fails, the ATC cutting unit acts to cut off the control signals output by the signal system, so that the control signals output by the signal system do not influence the train to obtain real zero-speed signals.
Optionally, the first ATC cutting unit, the second ATC cutting unit and the output plug box outputting the zero-speed control signal are connected in series, and when the running state of the signal system is abnormal or the control state of the train is not controlled, the first ATC cutting unit and/or the second ATC cutting unit act to control the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit to be positioned at the cutting position, and at the moment, the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit outputs a first level signal (0 level signal).
Since the zero speed signal control circuit is an active high level circuit. Therefore, after the output plug box receives the first level signal, the zero-speed signal of the output plug box is disconnected, the output state is that the control signal containing the zero-speed signal is not output, and then the zero-speed relay in the zero-speed control circuit cannot be normally sucked up, the train cannot be controlled according to the zero-speed signal of the signal system, and the function of timely cutting off the control signal output by the signal system when the signal system fails and the vehicle is not controlled is met.
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and the second level signal is output; the output plug box is specifically configured to output the control signal including a zero-speed signal in the output state when the second level signal is received.
Optionally, in the case that the running state of the signal system is normal and the control state of the train is control, the signal system controls the train normally. At this time, the first ATC cutting unit and the second ATC cutting unit are operated, the cutting switches controlling the first ATC cutting unit and the second ATC cutting unit are both located at the control position, and the cutting switches of the first ATC cutting unit and the second ATC cutting unit are both outputting the second level signal (1 level signal).
After the output plug-in box receives the second level signal, the output plug-in box can normally output a control signal containing a zero-speed signal, a zero-speed relay in the zero-speed control circuit can normally suck up, the train can be normally controlled according to the zero-speed signal of the signal system, and the control of the train according to the control signal output by the signal system when the signal system is normal and the vehicle is controlled is met.
The first ATC cutting unit and the second ATC cutting unit of the embodiment can realize the function of timely cutting off the control signal output by the signal system when the signal system fails and the vehicle is not controlled by the signal system only by performing real-time actions according to the running state and the control state of the signal system, and can control the train according to the control signal output by the signal system when the signal system is normal and the vehicle is controlled by the signal system; when the signal system is in fault and the vehicle is not controlled, any of the first ATC cutting unit and the second ATC cutting unit can cut off the control signal output by the signal system, and the operation is convenient; simultaneously, the fact that the contact cannot be closed when one cut-off switch happens is met, ATC can be cut off through the other cut-off switch, system safety is provided, and practicability is high.
On the basis of the above embodiment, in this embodiment, when the signal control circuit includes a traction cut-off control circuit, the first ATC cut-off unit and the second ATC cut-off unit are both connected in parallel with the output jack, and the output jack is connected in series with the traction cut-off control circuit.
Optionally, the first ATC cut-off unit in the cabin and the second ATC cut-off unit on the chassis are designed in parallel for the second signal control circuit that is active at low level, and the design of such a switching circuit will be specifically described below taking the traction cut-off control circuit as an example.
As shown in fig. 4, the first ATC cut-off unit S01 is connected in parallel with the second ATC cut-off unit S01 through a connection terminal, and then connected in parallel with the output jack a 01; the output jack a01 is connected in series with the traction cut-off control circuit. Wherein, the traction cutting off and cutting off control circuit is arranged on the chassis.
The switching circuit is used for enabling a relay in the traction cutting and cutting control circuit to be powered on according to traction cutting and cutting output by the output plug box, and acquiring train traction cutting and cutting so as to control the traction cutting and cutting of the train.
The other second signal control circuit may be connected to the first ATC cutting unit, the output jack, and the second ATC cutting unit in a manner of connecting the traction cut-off cutting control circuit.
According to the embodiment, only the second ATC cutting unit and the second ATC cutting unit are connected in parallel with the traction cutting-off cutting control circuit, so that the cutting-off of the carriage can be realized when the ATC is required to be cut off during independent operation of the carriage, the cutting-off function of the chassis can be realized when the ATC is required to be cut off during independent operation of the chassis, the fact that one cutting-off switch is incapable of closing a contact is met, the ATC can be cut off through the other cutting-off switch, system safety is provided, operation is simple, and practicability is high.
On the basis of the above embodiment, in this embodiment, when the running state of the signal system is abnormal or the control state of the train is not controlled, the first ATC cutting unit and/or the second ATC cutting unit act, and a cutting switch of the first ATC cutting unit and/or the second ATC cutting unit is controlled to be located at a cutting position, and the first level signal is output; the output plug box is specifically configured to, when the first level signal is received, not output the control signal including a traction cut-off signal in the output state;
Optionally, if the signal system outputs the traction cut-off signal by mistake under the condition that the running state of the signal system is abnormal or the control state of the train is not controlled, the traction cut-off control circuit cannot acquire the actual traction cut-off signal of the train, which may cause that the traction safety of the train cannot be established and the train cannot be driven.
In this scenario, in order to avoid the signal system from outputting the traction cut-off signal by mistake, when the signal system does not participate in controlling the vehicle or fails, the ATC cut-off unit acts to cut off the control signal output by the signal system, so that the control signal output by the signal system does not influence the train to obtain the real traction cut-off signal, and the traction safety establishment is not influenced.
Optionally, the first ATC cutting unit, the second ATC cutting unit and the output plug box outputting the zero-speed control signal are connected in parallel to bypass the output plug box, and when the running state of the signal system is abnormal or the control state of the train is not controlled, the first ATC cutting unit and/or the second ATC cutting unit act to control the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit to be positioned at the cutting position, and at the moment, the cutting switch of the first ATC cutting unit and/or the second ATC cutting unit outputs a first level signal (0 level signal).
The cut-off control circuit is an active low circuit due to traction. Therefore, when the cut-off switch of the first ATC cut-off unit and/or the second ATC cut-off unit outputs the first level signal (0 level signal), the first ATC cut-off unit and/or the second ATC cut-off unit forms a closed loop with the output jack, i.e., the output jack is shorted.
At this time, the traction cutting-off and cutting-off signal of the output plug box is bypassed, and the output state is that the control signal containing the traction cutting-off and cutting-off signal is not output, so that the traction cutting-off and cutting-off control circuit cannot carry out traction safety cutting-off control on the train according to the traction cutting-off and cutting-off signal of the signal system, and the function of timely cutting off the control signal output by the signal system when the signal system fails and the vehicle is not controlled is met.
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and the second level signal is output; the output plug box is specifically used for outputting the control signal containing the traction cutting-off signal under the condition that the second level signal is received.
Optionally, in the case that the running state of the signal system is normal and the control state of the train is control, the signal system controls the train normally. At this time, the first ATC cutting unit and the second ATC cutting unit are operated, the cutting switches controlling the first ATC cutting unit and the second ATC cutting unit are both located at the control position, and the cutting switches of the first ATC cutting unit and the second ATC cutting unit are both outputting the second level signal (1 level signal).
After the output plug box receives the second level signal, the output plug box is not shorted, the control signal comprising traction cutting-off can be normally output, the traction cutting-off control circuit can normally control the train according to the traction cutting-off signal of the signal system, and the control signal output by the signal system can control the train when the signal system is normal and the vehicle is controlled.
The first ATC cutting unit and the second ATC cutting unit of the embodiment can realize the function of timely cutting off the control signal output by the signal system when the signal system fails and the vehicle is not controlled by the signal system only by performing real-time actions according to the running state and the control state of the signal system, and can control the train according to the control signal output by the signal system when the signal system is normal and the vehicle is controlled by the signal system; when the signal system is in fault and the vehicle is not controlled, any of the first ATC cutting unit and the second ATC cutting unit can cut off the control signal output by the signal system, and the operation is convenient; simultaneously, the fact that the contact cannot be closed when one cut-off switch happens is met, ATC can be cut off through the other cut-off switch, system safety is provided, and practicability is high.
On the basis of the above embodiments, the zero-speed signal control circuit includes a plurality of groups of first relays.
As shown in fig. 3, the zero-speed signal control circuit includes a plurality of groups of first relays, which are K01, K02, K03 and K04, respectively; wherein, K01 and K02 are zero-speed relays arranged on the chassis; k03 and K04 are zero-speed relays installed in a carriage;
The second ATC cutting unit is connected in series with a parallel loop formed by K01 and K02, and then is connected in series with K03 and K04 respectively through connecting terminals.
The cutting circuit designed in the implementation can isolate the control signals output by the signal system from the zero-speed signal control circuits of the chassis and the carriage according to the first ATC cutting unit at the carriage side, and can isolate the control signals output by the signal system from the zero-speed signal control circuits of the chassis and the carriage according to the second ATC cutting unit at the chassis side, so that the operation is convenient and fast.
On the basis of the above embodiments, the traction cutoff control circuit in this embodiment includes an emergency brake switch, a gun charging switch, a door lock closing switch, an automatic driving mode activation switch, a bogie isolation plug door unit, a total wind cutoff plug door unit, and a second relay; wherein the emergency brake switch is connected with the output plug box in series; the output plug box is connected with a parallel loop formed by the gun charging switch, the door lock closing switch and the automatic driving mode activating switch, the bogie isolating plug door unit, the total wind intercepting plug door unit and the second relay in series.
As shown in fig. 4, the traction cutoff control circuit is provided on the chassis.
The bogie isolating plug door unit comprises a first bogie isolating plug door unit B05.01 and a second bogie isolating plug door unit B05.02, and a parallel loop formed by connecting the first bogie isolating plug door unit B05.01 and the second bogie isolating plug door unit B05.02 in parallel is the bogie isolating plug door unit.
After the emergency brake switch K11 is connected in series with the output plug box a01, the emergency brake switch K11 is connected in series with a parallel circuit formed by connecting the gun charging switch K12, the door lock closing switch K13 and the automatic driving mode activating switch K14 in parallel, the bogie isolating plug door unit, the total wind blocking plug door unit B00.02 and the second relay K15.
The traction cutting-off and cutting-off control circuit is used for realizing the power supply of the second relay K05, and the train acquires traction safety; the requirement of powering on the second relay K05 is met by no emergency braking (the emergency braking switch K01 is closed), no traction cutting off of the output plug box A02, no gun inserting (the gun inserting charging switch KO2 is closed), no isolation of the bogie isolating plug door unit B05 and no interception of the total wind intercepting plug door unit.
The excision circuit of design in this implementation can be according to the first ATC excision unit of carriage side with the control signal of signal system output keep apart with the traction on the chassis cuts off excision control circuit, also can be according to the second ATC excision unit of chassis side to the control signal of signal system output keep apart with the traction on the chassis cuts off excision control circuit, the simple operation.
The following describes a method for cutting off a signal system cut-off circuit based on chassis separation of a carriage, and the method for cutting off the signal system cut-off circuit based on chassis separation of the carriage and the signal system cut-off circuit based on chassis separation of the carriage described above can be referred to correspondingly.
Fig. 5 is a schematic flow chart of a method for cutting off a signal system cutting-off circuit based on separation of chassis of a carriage according to the present embodiment; as shown in fig. 5, the method mainly includes, but is not limited to, the following steps:
Step 501, receiving operation information and control signals of a signal system of a train; the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train; the first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system; the output plug box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal.
The first ATC cutting unit is arranged in a carriage of the train and used for controlling cutting states of a signal system of the train in the carriage; the second ATC cutting unit is arranged on the chassis of the train and used for controlling the cutting state of the signal system of the train at the chassis side; the first ATC cut unit and the second ATC cut unit are cut units of the same type.
Wherein the signal control circuit and the output plug box are connected in series or in parallel to form a branch circuit of the cut-off circuit.
The first ATC cutting unit and the second ATC cutting unit may be connected in series with a branch circuit formed by the signal control circuit and the output jack, or may be connected in parallel, and may specifically be set according to actual requirements, which is not specifically limited in this embodiment.
And the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system, and can acquire control signals when the signal system controls the train.
Alternatively, the operation information and the control signal of the signal system may be received in real time based on the first ATC cut-off unit and/or the second ATC cut-off unit.
Step 502, according to the operation information and the control signal of the signal system, controlling the first ATC cutting unit and/or the second ATC cutting unit to act so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
optionally, after the operation information and the control signal of the signal system are received in real time based on the first ATC cutting unit and/or the second ATC cutting unit, the first ATC cutting unit and/or the second ATC cutting unit may be controlled to act according to the operation information and the control signal of the signal system, so as to control the output state of the output jack box, and further control the cutting state of the signal system, that is, control whether the output jack box transmits the control signal output by the signal system to the signal control circuit.
Step 503, a control signal control circuit controls the train according to the output state of the output plug box; optionally, in the case that the output state of the output jack is that the control signal is not output, the signal control circuit cannot control the train according to the control signal of the signal system, and the train needs to be controlled according to the control signal input by other systems, such as the control signal manually input by a driver; when the output state of the output plug box is the output control signal, the signal control circuit can control the train according to the control signal of the signal system;
According to the embodiment, the ATC cutting unit is respectively arranged on the carriage and the chassis, so that when any ATC cutting unit on the carriage and the chassis acts, the cutting state of the signal system can be controlled, the automatic cutting device is applicable to the carriage which can be separated, is applicable to two scenes with automatic running of the carriage and independent automatic running of the chassis, is applicable to the situation that the carriage cannot be separated, is high in applicability, can accurately and conveniently control the cutting state of the signal system, and further effectively ensures the safety of a train and the convenience and accuracy of operation.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A signal system cut-off circuit for chassis separation in a vehicle compartment, comprising: the automatic train control system (ATC) cutting unit, an output plug box and a signal control circuit;
The output plug-in box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal;
the ATC cutting unit comprises a first ATC cutting unit and a second ATC cutting unit; the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train;
The first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system;
The first ATC cutting unit and/or the second ATC cutting unit are/is used for receiving the operation information and the control signal of the signal system and performing actions according to the operation information and the control signal of the signal system so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
The signal control circuit is used for controlling the train according to the output state of the output plug box;
For each ATC cut-off unit of the first ATC cut-off unit and the second ATC cut-off unit, each ATC cut-off unit comprises a receiving module, a control module and a cut-off switch;
The receiving module is used for receiving the operation information and the control signal of the signal system;
The control module is used for determining the running state of the signal system according to the running information of the signal system, determining the control state of the signal system on the train according to the control signal, and controlling the cut-off switch to be positioned at a control position or a cut-off position according to the running state and the control state;
The cut-off switch is used for outputting a first level signal when the cut-off switch is positioned at a cut-off position, and outputting a second level signal when the cut-off switch is positioned at a control position; the first level signal is greater than the second level signal;
the signal control circuit comprises a first signal control circuit and a second signal control circuit;
the first signal control circuit comprises one or more of a vehicle door enabling control circuit, a zero-speed signal control circuit, a cab activation control circuit, a direction control circuit, a jump instruction control circuit and a traction state cutting control circuit;
The second signal control circuit comprises one or more of an emergency braking excision control circuit, a traction cutoff excision control circuit and a braking state excision control circuit.
2. The car chassis separation oriented signaling system cut-off circuit of claim 1, wherein the first ATC cut-off unit is connected in series with the output jack, the second ATC cut-off unit, and the zero speed signal control circuit in that order, with the signal control circuit comprising the zero speed signal control circuit.
3. The signal system cut-off circuit for car chassis separation according to claim 2, wherein in the case where the operation state of the signal system is abnormal or the control state of the train is not controlled, the first ATC cut-off unit and/or the second ATC cut-off unit operate, a cut-off switch of the first ATC cut-off unit and/or the second ATC cut-off unit is controlled to be located at a cut-off position, and a first level signal is output;
the output plug-in box is specifically configured to, when the first level signal is received, not output the control signal including a zero-speed signal in the output state;
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and a second level signal is output;
The output plug box is specifically configured to output the control signal including a zero-speed signal in the output state when the second level signal is received.
4. The vehicle chassis separation oriented signaling system cut-out circuit of claim 1, wherein the first ATC cut-out unit and the second ATC cut-out unit are each connected in parallel with the output jack, the output jack being connected in series with the traction cut-out control circuit, in the case where the signaling control circuit comprises a traction cut-out control circuit.
5. The signal system cut-off circuit for car chassis separation according to claim 4, wherein in a case where an operation state of the signal system is abnormal or a control state of the train is not controlled, the first ATC cut-off unit and/or the second ATC cut-off unit operate, a cut-off switch of the first ATC cut-off unit and/or the second ATC cut-off unit is controlled to be located at a cut-off position, and a first level signal is output;
the output plug box is specifically configured to, when the first level signal is received, not output the control signal including a traction cut-off signal in the output state;
When the running state of the signal system is normal and the control state of the train is control, the first ATC cutting unit and the second ATC cutting unit act, cut-off switches controlling the first ATC cutting unit and the second ATC cutting unit are located at control positions, and a second level signal is output;
the output plug box is specifically used for outputting the control signal containing the traction cutting-off signal under the condition that the second level signal is received.
6. The vehicle chassis separation oriented signaling system cut-off circuit of any of claims 1-5, wherein the zero speed signal control circuit includes a plurality of sets of first relays.
7. The vehicle chassis separation oriented signaling system cut-off circuit of any of claims 1-5, wherein the traction cut-off control circuit comprises an emergency brake switch, a gun charging switch, a door lock closure switch, an automatic driving mode activation switch, a truck isolation plug unit, a total wind shut-off plug unit, and a second relay;
wherein the emergency brake switch is connected with the output plug box in series;
the output plug box is connected with a parallel loop formed by the gun charging switch, the door lock closing switch and the automatic driving mode activating switch, the bogie isolating plug door unit, the total wind intercepting plug door unit and the second relay in series.
8. A method of cutting out a cut-out circuit based on a signal system for vehicle chassis separation according to any one of claims 1 to 7, comprising:
receiving operation information and control signals of a signal system of a train;
According to the operation information and the control signal of the signal system, the first ATC cutting unit and/or the second ATC cutting unit are controlled to act so as to control the output state of the output plug-in box; the output state is used for representing the cutting state of the signal system, and the output state comprises the output of the control signal and the non-output of the control signal;
the control signal control circuit controls the train according to the output state of the output plug box;
the first ATC cutting unit is arranged in a carriage of the train, and the second ATC cutting unit is arranged on a chassis of the train;
The first ATC cutting unit, the second ATC cutting unit and the signal control circuit are respectively connected with the output plug-in box; the first ATC cutting unit, the second ATC cutting unit and the output plug box are respectively connected with the signal system; the output plug box is used for outputting a control signal for controlling the train by a signal system of the train; the signal control circuit is a circuit controlled by the control signal.
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| CN115494754A (en) * | 2022-08-15 | 2022-12-20 | 米塔盒子科技有限公司 | Rail vehicle door control circuit and method and rail vehicle |
| CN115402361A (en) * | 2022-08-15 | 2022-11-29 | 米塔盒子科技有限公司 | Train operation control method and system with separable carriage and chassis |
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