KR100468890B1 - Control System for Pair Type 3 Light 3 State Display Signal Lamp of Rail Road - Google Patents

Abstract

The present invention is a FT-pair of the bi-conductor 3-Phase 3-Phase Railroad Signaling System which improves the reliability and safety of the system by implementing the disconnection detection and bi-conductor operation of the bi-conductor 3-Phase 3-Phase Signaling among the signals used for the trackside signal. It relates to a deep control system.

The present invention is a red bi-conductor consisting of a red chief bi-core type and a red sub-core biaxial type for driving the bi-centric main core in response to the red drive signal; A green bicentric type consisting of a green chief dual type and a green subcentric type for driving a bicentric type core in response to a green driving signal; It is composed of a yellow double core made up of a yellow chief double heart type and a yellow sub core double heart type to drive a double core type core in response to a yellow drive signal.

Description

Two-core three-light railroad signal signal FT-control system {Control System for Pair Type 3 Light 3 State Display Signal Lamp of Rail Road}

The present invention relates to a FT-bicentric control system, and more particularly, to detect the disconnection and bi-directional operation of a biconductive three-light and three-phase signal signal among the signals used for the line-side signal signal with hardware to improve the reliability and safety of the system. The present invention relates to a bi-conductor three-light and three-presence railway beacon FT-bicentric control system.

2. Description of the Related Art [0002] Conventionally, the signal driver drive circuit of a bi-directional interlocking device constituted by the occupancy condition of a track circuit is used bi-directionally with the configuration shown in Fig. 1 in accordance with the electronicization of the interlocking device.

This design drives red, green, and yellow manifestations using the microprocessor's software, and if both the chief and vice versa are bicentric, the bi-centric operation, R, depends on the software.

Therefore, if both the main and sub-cores of the Y or G signal lamp are bi-centered, the bi-directional operation of the bi-centered 3rd, 3rd and three-times beacons operated by the software should be operated by software. In the bidirectional process of the system, the signal can be generated bicentrically.

In addition, when a bi-concentric defect used for driving such as occurs, logic for overcoming the defect is implemented in software, and thus there is a problem in that the time from the occurrence of the defect to the time of overcoming is long.

The present invention is to solve the problems of the prior art as described above, using the hardware circuit for the signal operation of the electronic interlocking device to implement the defect detection and bi-directional operation, and to use the bi-directional bi-directional bi-directional signal disconnection It is a FT-bicentric control system for biconductive three-light and three-presence railway beacon which improves the reliability of disconnection detection by sensing.

1 is a conventional railway signal control circuit.

Fig. 2 is a block diagram for explaining the configuration of a biconducting three-light and three-prefecture railroad signal signal FT-bicentric control sheath biaxial type according to the present invention.

The present invention, in order to achieve the above object, in the dual-core three-light and three-state control circuit for receiving the respective driving signals, such as biaxial type 3 (bi-core type), to control the appearance of each light, receiving a red drive signal pair It consists of a red referee bicentric type and a double subcentric drive type which drives the core referee, and when the red drive signal is applied, both of the double cores are normal, and if only the chief referee is normal, the chief referee is normal. A red biconcentric manifestation of back eccentricity and no manifestation of biconcentricity if both are abnormal; The green referee consists of a green referee and a double referee to drive a double referee and a green referee to drive a double referee, and the double referee is normal if it is normal, and only if the referee is normal. Manifesting the assistant referee, and if both of the concentric forms are abnormal, the concentric referee shall be concentric with the green concentric; It is made of yellow referee biconductor and yellow referee biconductor to drive the double-centered referee in response to the yellow drive signal. Provides an FT-bicentric control system for biconducting three-light and three-phase railway signaling system, which is characterized by the appearance of the assistant chief and the biconcentric, both of which are abnormal.

The bicentric type core drive unit, red light sub-center drive unit, green light sub-center drive unit, yellow light sub-core drive unit is a switching unit for switching the driving power by receiving control signals of each light, and the main lead or sub-core such as connected to each drive unit. A current sensor for sensing the flow of the supplied current, a single core detector for determining whether each of the chief referee or the sub lead is received by receiving the detection signal of the current sensor, and whether the chief referee or sub lead of each of the lamps through the single core detector It consists of a fail-safe drive that grasps and controls the alternate appearance.

On the other hand, the green light core drive unit, the yellow light drive core drive unit receives a control signal of each light switching unit for switching the driving power, and the current to sense the flow of current supplied to the main lead such as connected to each drive unit It is composed of a sensor and a chief referee detection unit for receiving the detection signal of the current sensor to determine whether each jury is single or not.

(Example)

The configuration and operation of a biconducting three light three-prefecture railway signaling system FT-FS control system according to the present invention will be described in detail with reference to FIG. 2 showing an embodiment of the present invention.

2 is a block diagram illustrating an embodiment of the present invention.

As shown in FIG. 2, the control circuit 10, 20, 30 receives the respective driving signals of the RGY and converts them into a main and sub-core signals and is connected to a bi-core three-light RGY 40 composed of RGY and the like. It is composed of

In addition, the bi-core three-light RGY (40) is composed of a double filament of the main and sub-core, respectively, and usually a loop of AC50V in a closed circuit to turn on the lamp to the corresponding core of RGY, etc. Detects the amount of current (using a hole sensor) and shows the assistant referee when the referee is single. When the housekeeping centers are all disconnected, the lower signal (Y all at R, Y at G, Y at all, see Table 1).

In order to control such a biconversion three-light signal generator, three outputs corresponding to RGY are generated to control the blinking of the lamp.

Each control circuit is composed of a pair of a referee control and a referee control, and the referee control of the R controller 10 includes a switching unit 11, a hall sensor 12, a referee single detection unit 13, and a fail-safe driving unit 14. The sub-center control is composed of a switching unit 15, a hall sensor 16, a sub-center single-center detection unit 17, and a fail-safe driving unit 18.

The chief referee control of the G control unit 20 is composed of a switching unit 21, a hall sensor 22, and a chief referee single detection unit 23, and the assistant referee control is a switching unit 25, a hall sensor 26, and a sub lead detection unit ( 27), a fail-safe drive unit 28.

The chief referee control of the Y control unit 30 is composed of a switching unit 31, a hall sensor 32, the chief referee single detection unit 33, and the assistant referee control is the switching unit 35, the hall sensor 36, the sub lead detection unit ( 37), a fail-safe drive unit 38.

Each of the switching units 11, 15, 21, 25, 31, 35 is composed of an electronic relay (SSR) for supplying and controlling the driving power 50 of AC50V for driving the signal, and the same driving signal (conventional In addition to the driving power 50 of the AC50V in the control relay of the three-light control output receives a control signal from the relay contacts) to serve to switch the drive power 50 of the existing three-light control output AC50V.

Each of the hall sensors 12 16, 22, 26, 32, and 36 is a non-contact current sensor that senses the current supplied to the three lamps to check whether the lamp is actually lit by the command of turning on the signal lamp.

Each of the main and sub lead disconnection detectors 13, 17, 23, 27, 33, and 37 of the R / G / Y control unit 10, 20, and 30 are each hall sensor 12 16, 22, 26, 32, 36. It is a circuit for monitoring the state of signal such as signal based on the output.

Each of the main and sub lead disconnection detectors 13, 17, 23, 27, 33, and 37 may include a control signal inputted from a relay contact of an existing three-light control output signal (light driving or non-driving) and the respective hall sensors 12. 16, 22, 26, 32, and 36 by comparing the driving states of the present lights sensed by each other, the logic to compare the present state of the control output and the lights.

Each of the chief referee and the chief referee single detection unit 13, 17, 23, 27, 33, 37, as described above, of each hall sensor 12 16, 22, 26, 32, 36 that detects whether the control output and the like. The output is compared using a comparator, and when the comparison result is incorrect, the output is sent to the fail-safe driving units 14, 18, 28, and 38.

Each of the fail-safe driving units 14, 18, 28, and 38 is a circuit for operating the signal to the safety side based on the detected fault information of the device and the single core information of the back and the like. The sub-presentation logic and the R-state logic when both the G and Y single-core and the sub-center are disconnected and the R-state logic when a processor fault occurs.

The present invention configured as described above operates as follows.

The driving of R and the like is applied by applying a driving signal corresponding to R and the like to the circuit. At this time, if a current flowing in the main core such as R is not detected by the hall sensor 12, the sub core is automatically turned on, and the single core information is transmitted to the fail-safe driving unit 14. If the current flowing through the sub-core is not detected by the hall sensor 16 in the sub-center lighting operation by the single-center detection operation, that is, when the sub-core is disconnected, all the lights of the signal signal recognized as a situation in which both the main and the sub-core are disconnected are turned off. According to the operating conditions of R, it is determined to be manifest.

The driving of G and the like is similar to the driving of R and the like. However, when both the main and sub cores of G and the like are disconnected, Y and the like are manifested by the safety logic inside the circuit.

The driving of Y and the like is similar to the driving of R and the like. However, when both the main and subordinates of Y and the like are disconnected, R and the like are manifested by the safety logic inside the circuit.

Table 1 summarizes the RGY operating states of the biconcentric third light as described above.

Control Referee Assistant Referee Manifestation R o o normal o x Referee R x o R Assistant Appearance x x Unrepresented G o o normal o x G referee manifestation x o G pride manifestation x x Referee Y Y o o normal o x Referee Y x o Y subordinate manifestation x x Referee R

The present invention operating as described above can be applied to all railway signaling systems.

As described above, the present invention reduces the application load of the system by configuring the main core and the detection of defects in the driving circuit for the operation of the signal, and the driving of the signal that requires high reliability is an integrated circuit that can easily calculate reliability. Configuration to facilitate the calculation of the reliability of the system.

In addition, it is possible to minimize the manufacturing cost and the installation area of the system by using a non-contact current sensor without using a single-circuit relay as the circuit configuration for the single-center detection.

Claims (3)

In the bi-conductor three-light and three-state control circuit that receives each drive signal such as bi-directional three (RGY), and controls the appearance of each light, It consists of a red referee driver for driving the chief of red light and a red vice drive for driving the chief of red light in response to a red drive signal. And a red control unit that displays the assistant referee if the assistant referee is normal and does not display when the housewife is abnormal. It consists of a green referee driver which drives the chief of green light by receiving green driving signal and a green assistant referee which drives the assistant chief of green light, and if the main judges are all normal, the chief referee is normal and the chief referee is normal. A green control unit which displays the assistant referee and displays the referees such as yellow lights when the housewives are all abnormal; It consists of a yellow referee driver which drives the chief of yellow light by receiving a yellow driving signal and a yellow assistant referee driving unit which drives the chief of yellow light, and if the main judges are all normal, the chief referee is normal and the chief referee is normal. The FT-FS control system for biconducting three-light and three-way railway signaling system, which comprises a yellow control unit which displays the assistant referee and displays the chief referees such as red lights when all the main judges are abnormal. According to claim 1, wherein the red light chief driver, red light sub-core drive unit, green light sub-core drive unit, yellow light sub-core drive unit is a switching unit for switching the driving power to receive a control signal of each light, and is connected to each drive unit A current sensor for detecting the flow of current supplied to the chief referee or the subordinate judge, a single core detection unit for receiving the detection signal of the current sensor, and determining whether each of the main referees or the subordinate judges is single, and the chief referee of each lamp through the single core detection unit. Or FT-FS control system for bi-directional three-light and three-way railway signaling system characterized in that it consists of a fail-safe driving unit for controlling the alternative manifestation by determining whether the assistant referee is single. According to claim 1, wherein the green light core drive unit, the yellow light core drive unit receives a control signal of each light switch for switching the drive power, and the flow of current supplied to the main lead such as connected to each drive unit; A biconductive three-light and three-presence railroad signal FT-, comprising a current sensor for sensing and a chief referee detecting unit controlling the appearance of each chief referee by determining whether each jury is single or not by receiving the detection signal of the current sensor. FS control system.