JPH0531010Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a control device that controls a railroad crossing from onboard a vehicle and starts running the vehicle after the railroad crossing is in a blocked state.

[Conventional technology]

On railways that are infrequently operated or where the vehicle is parked or parked at a level crossing control point, the level crossing control switch may be manually operated to shut off the level crossing barrier. Vehicles are allowed to proceed from the beginning.

[Problem that the invention attempts to solve]

However, manually operated level crossing control requires the deployment of a staff member, and if the vehicle is unmanned, it requires interlocking with the vehicle for safety reasons, whereas conventionally there was no reliable means for this interlocking. This caused problems that made it difficult to save labor and maintain safety.

[Means for solving problems]

In order to solve the above-mentioned problem, the present invention is constructed by the following means.

That is, a variable frequency receiver that operates when a power switch is turned on, an on-vehicle component of this receiver, and a travel control unit that starts running the vehicle according to the variable frequency output of the variable frequency receiver are installed on the vehicle. A loop coil provided opposite to the onboard element, a receiver for receiving the output of the loop coil, and a ground element provided opposite to the onboard element exhibiting a non-resonant state and a resonant state; The system is equipped with a level crossing control unit on the ground that controls the level crossing to switch from a non-resonant state to a resonant state by controlling the beacon after controlling the level crossing in response to the received output of the receiver.

[Effect]

Therefore, when the on-board power switch is turned on, the variable frequency receiver (hereinafter referred to as VFR) starts oscillating at a frequency determined by itself, and this signal is transmitted via the on-board coil and the loop coil on the ground. is received by a receiver on the ground, and in response to the received output, the level crossing control unit (hereinafter referred to as CRC) on the ground shuts off the level crossing, and then switches the ground element from a non-resonant state to a resonant state. Therefore, the on-board VFR changes the oscillation frequency to the ground element's resonant frequency, and the on-board travel control section (hereinafter referred to as
DRC) is what starts the vehicle running.

〔Example〕

Hereinafter, details of the present invention will be explained with reference to figures showing embodiments.

The figure is a block diagram showing the configuration, and the vehicle 1 is provided with a DRC 11 that controls a driving motor Mv, and a well-known VFR 12.
A coiled vehicle upper element 13 of the VFR 2 is provided facing downward, and the DRC 11 and the VFR 12 are configured to receive power and start operating in response to turning on the power switch SWp.

On the other hand, on the track at a position where the vehicle 1 stops, such as a platform or a cargo handling area, a loop coil 21 and a ground coil 22 are installed in parallel on the ground, facing the onboard coil 13, and the output of the loop coil 21 is received. The ground element 22 constitutes a resonant circuit of a specific frequency with a coil L and a capacitor C, but the relay between the taps contact
Due to the short circuit caused by GR ₁ , the relay GR will be in a non-resonant state during recovery. In addition, the loop coil 21, receiver 23, relay SR, level crossing control section 24, motor
Mc, switch SWc, and beacon 22 constitute the level crossing device 2.

Therefore, when the power switch SWp on the vehicle 1 is turned on automatically or manually, the VFR 12 starts oscillating at frequency ₁ , and this signal is transmitted to the vehicle
receiver 2 due to electromagnetic coupling between loop coil 21 and loop coil 21.
3 and relayed by the received output of this
Since the SR operates and turns on the contact SR ₁ , the CRC 24 drives the motor Mc in response to this, and controls the railroad crossing barrier to the closed state.

When the circuit breaker is in the cut-off state, its detection switch SWc is turned on, so after confirming this,
The CRC24 operates the relay GR of the ground element 22,
Turn off contact GR ₁ and switch from non-resonant state to frequency ₂ resonant state.

Then, due to the electromagnetic coupling between the ground element 22 and the onboard element 13, the oscillation frequency of the VFR 12 changes from ₁ to ₂ , and a variable frequency output is generated, which drives the relay FR and turns on the contact FR ₁ . Therefore, according to this
The DRC 11 applies power to the motor Mv, causing the vehicle 1 to start running.

Therefore, only by turning on the power switch SWp, the control of the circuit breaker and the start of the vehicle running after it is in the disconnected state are performed in a completely linked manner, and an expensive vehicle detection device using a track circuit is used. Safe railroad crossings and vehicle control can be achieved with an inexpensive configuration.

However, motors Mv and Mc may use other drive sources depending on the conditions, and DRC11 and CRC may be set accordingly.
You only need to select 24 configurations, including relay SR, GR,
The same effect can be achieved by using other switching elements instead of FR, etc., and it is also possible to replace the switch SWc with other detection means, and it is also possible to control this by installing a warning device, etc., instead of installing a barrier at a level crossing. Various modifications are possible.

[Effect of idea]

As is clear from the above explanation, according to the present invention, level crossing control and interlocking control of vehicles are realized with a simple configuration, labor saving is achieved, safety is maintained, and a large amount of work is achieved in various relatively simple railways. You can get the following effect.

[Brief explanation of the drawing]

The figure is a block diagram showing an embodiment of the present invention. 1... Vehicle, 11... DRC (driving control section), 1
2...VFR (variable frequency receiver), 13...Vehicle child,
21...Loop coil, 22...Ground coil, 23...
...Receiver, 24...CRC (level crossing control section).

Claims (1)

[Scope of Claim for Utility Model Registration] The vehicle device 1 is composed of a vehicle device 1 and a ground level crossing device 2, and the vehicle device 1 includes a power switch SWp, a running control section 11, a motor Mv, a variable frequency receiver 12,
The level crossing device is composed of an onboard child 13 and a relay FR, and a loop coil 21 and a receiver 23.
, relay SR, level crossing control section 24, and motor Mc
, a detection switch SWc, and a ground coil 22. The onboard coil 13 is provided below the vehicle at a position facing the track, and the loop coil 21 and the ground coil 22 are installed on the ground at the position where the vehicle stops. The power switch SWp is provided in a state facing the onboard child 13 at When an on signal is supplied from the onboard coil, oscillation at frequency 1 is started and the signal is sent to the ground via the onboard coil 13, and the loop coil 21 collects the signal sent from the onboard coil. The receiver 23 drives the relay SR by detecting the signal collected by the loop coil, and the level crossing control unit 24 controls the motor Mc in response to the operation of the relay SR. At the same time, the beacon 22 is operated to notify that the level crossing has been cut off by the operation of switch SWc, which is turned on by the drive of the motor.
The beacon 22 is brought into a resonance state of frequency 2 by the drive signal supplied from the level crossing control section 24, and the beacon 22 is resonant at a frequency of 2 via the opposing overboard 13. receiver 12
The relay FR is operated by changing the oscillation frequency of A control device for a circuit breaker.