KR20120138574A - Control apparatus for emergency release of vehicle's door - Google Patents

Abstract

PURPOSE: A control device for emergently releasing a vehicle door is provided to prevent safety accidents due to the abnormal opening of the vehicle door as the emergency release of the vehicle door is passively opened when the vehicle driving mode is abnormal. CONSTITUTION: A control device for emergently releasing a vehicle door comprises a manipulator(120), a power transfer unit, and a controller(130). The manipulator receives the driving force from operators to release an emergency releasing unit. The power transfer unit is connected between the manipulator and the emergency releasing unit. The power transfer unit delivers the driving force to release the locking. The controller fixes the manipulator according to signals on the basis of the driving condition of a vehicle. The controller releases the locking to control the releasing of the vehicle door according to the driving condition of the vehicle.

Description

Emergency Control System for Vehicle Doors {CONTROL APPARATUS FOR EMERGENCY RELEASE OF VEHICLE'S DOOR}

The present invention relates to a device for controlling the emergency release of the door to enable or disable according to the moving state of the vehicle, and more particularly, the operation of the relaxation device for releasing the lock to manually open the door in an emergency The present invention relates to an emergency loosening control device for a vehicle door that prevents the door from being opened abnormally due to a misoperation, mischief, or trouble during driving of the vehicle by stopping only or moving below a certain speed.

Vehicles such as buses, trains, and trains, which are used as a large means of transporting a large number of people at once, are provided with one or more doorways for a large number of passengers to get on and off quickly. The door is automatically opened and closed to open and close through.

Such automatic opening and closing doors have various opening and closing structures, such as a slide type and a rotating type, and are operated by various types of driving devices such as electric or hydraulic type. For example, a door of a train vehicle mainly used for urban railway operation has a structure in which a pair of doors are installed at each entrance by a hydraulic or electric drive device to be opened and closed in a sliding manner. Each door is mounted on a hanger installed to be movable along a horizontal rail by a roller, and the hanger is horizontally moved in accordance with the rotation of a feed screw by a motor. Moves to the open or closed position. In addition, when the door is opened while the vehicle is running, a very dangerous situation is caused, and a locking device is installed in the closed position to prevent the door from being opened abnormally.

On the other hand, when the passengers want to get off due to an emergency situation, such as a fire or breakdown in the vehicle can not be operated, it may be impossible to automatically open the door. For this case, emergency relief devices are installed to unlock the doors so that passengers or crews can open the doors manually. The emergency relief device usually has a control mechanism such as a lever or a handle, and when operated by hand, the locking force of the door locking device is released to enable the user to move the door to an open position with a slight force.

However, the above-mentioned emergency relief device is to be installed in a position that can easily be accessed by the operating mechanism because the passengers should be able to operate easily and quickly in an emergency, the operation method is also simple. Accordingly, even in a non-emergency situation, there is a high possibility that the door will be opened unnecessarily because the relaxation device is operated by a person having an undesired purpose such as mischief or crime. In addition, the door may be inadvertently opened due to a failure of the device. If the door is opened abnormally, it is impossible to move the vehicle, which may hinder the operation of the vehicle.In particular, if the door is opened while the vehicle is running, it may cause a serious safety accident such as a passenger falling out of the vehicle. Therefore, effective measures are needed to prevent this.

The present invention is to solve the above-described problems, the emergency relaxation operation for the manual opening of the door is made when the driving state of the vehicle is not suitable for the emergency opening of the door, including when driving at a certain speed or more. It is an object of the present invention to provide an emergency loosening control device for a vehicle door that prevents the occurrence of a safety accident due to an abnormal opening of the vehicle door.

The present invention for achieving the above object, the door rotatably or moveable to the door of the vehicle, the drive means for rotating or moving the door to the open or closed position in accordance with the input of the door opening and closing control signal, the closed door is closed Locking means to be locked in position and the locking means for releasing the door when the door is opened, emergency release means for manually unlocking the door by the locking means in the emergency to open the door manually A loosening manipulator which is applied to an automatic retractable door and receives an operating force of an operator for unlocking the emergency relieving means; A power transmission means connected between the relaxation operator and the emergency relaxation means to transmit an operating force for unlocking; And it provides an emergency relaxation control device for the vehicle door comprising a relaxation controller for fixing the release operation inoperably or release the lock to the operation in accordance with the signal input according to the driving state of the vehicle.

In the above-mentioned emergency relaxation control device of the present invention, the relaxation controller may be configured to include a movable stopper for fixing or releasing the loosening operation according to the moving or rotating position, and an actuator for moving or rotating the movable stopper. have.

The actuator may be any one of an electric actuator providing an operating force by driving of a motor, a expansion cylinder providing an operating force by pressure of a fluid, and a solenoid providing an operating force by a magnetic force.

The relaxation actuator may be provided with a stop having any one of a hole, a recess, and a protrusion, and the movable stopper of the relaxation controller is advanced or retracted so as to be inserted or caught in the stop.

The power transmission means may be made of a working wire.

Preferably, the vehicle further comprises a movement detecting means for detecting whether the vehicle is moving or the moving speed, and the slowdown controller only when the vehicle is stopped or moved below a certain speed according to the signal input transmitted by the movement detecting means. It may be made of a structure for releasing the fixing so that the relaxation operator can be manipulated.

The movement detecting means may be made of a rotation sensor for detecting the rotation of at least one of the wheel, axle, the output shaft of the motor, the drive shaft between the driving motor and the axle of the vehicle, may be made of a displacement sensor for detecting the movement speed of the vehicle, The GPS receiver may be configured to receive a GPS signal and detect a change in position of the vehicle.

In the automatic opening and closing door to which the present invention is applied, the locking means is fixed to the closed position side of the door, the hook is installed to move integrally with the door is locked to the door when the door reaches the closed position is locked to the door It includes a movable hook, wherein the emergency release means may be configured to rotate or move the movable hook to be separated from the fixed hook by the operating force transmitted through the power transmission means.

The movable hook is rotatably installed to be close to or spaced toward the fixed hook, and the emergency release means has a structure having an emergency relaxation cam that presses the movable hook and is spaced apart from the fixed hook according to the rotational position. Can be done.

The driving means includes a transfer screw rotated by a motor and a sliding unit coupled to the door and helically coupled to the transfer screw to reciprocate the door according to the rotation of the transfer screw, and the door closing side end of the transfer screw. It may be configured to further include an unlocking cam installed in the rotational position to press the movable hook to be spaced apart from the fixed hook.

In addition, the fixed hook is provided with a locking projection inclined to the outer side, the movable hook is provided with a locking roller to enter the inside of the fixed hook on the inclined surface of the locking projection on one side and the locking roller by the spring It may be made of a structure that is elastically supported in the direction toward the inside of the locking projection.

According to the present invention as described above, it is possible to detect the vehicle operating state such as whether the vehicle is moving or moving speed, and if the detected operating state is suitable for emergency opening of the door, the operation of the relaxation operation for manual opening of the door is possible. Otherwise, the operation of the slowdown operation is impossible, so that the door can be easily opened manually in the event of an emergency, but inadvertently opened or impurely inadequately opened for improper door opening, such as during high-speed driving. It is possible to prevent the occurrence of safety accidents due to abnormal opening of the door by preventing the opening by the operator.

1 is a front view showing an embodiment of an emergency relaxation control device of a vehicle door according to the present invention.
Figure 2 is a cross-sectional view taken along the line AA 'of the emergency relaxation control device shown in FIG.
3 is a plan view of the emergency relaxation control device shown in FIG.
Figure 4 is a side perspective view showing the main configuration of the emergency relaxation control device shown in FIG.
5 is a view illustrating an operating state of the emergency relaxation control unit shown in FIG.
Figure 6 is a perspective view showing an example of the door lock device to which the emergency relaxation control device of the present invention is applied in a locking operation state.
FIG. 7 is a perspective view illustrating a relaxed operation state of the door locking device shown in FIG. 6.
8 is a plan view of the door locking device shown in FIG.
9 is a side view of the door locking device shown in FIG. 6.
10 is a perspective view of the door locking device shown in FIG. 6 as viewed from below.
FIG. 11 illustrates an operation state of the emergency relaxation cam in the door locking device shown in FIG. 6.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

The following specific structures or functional descriptions are merely illustrated for the purpose of describing embodiments in accordance with the inventive concept, and embodiments according to the inventive concept may be embodied in various forms and may be described in detail herein. It should not be construed as limited to the examples.

Embodiments in accordance with the concepts of the present invention can be variously modified and have a variety of forms, specific embodiments will be illustrated in the drawings and described in detail herein. However, it should be understood that the embodiments according to the concept of the present invention are not intended to limit the present invention to specific modes of operation, but include all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.

The terms first and / or second etc. may be used to describe various components, but the components are not limited to these terms. The terms may be named for the purpose of distinguishing one element from another, for example, without departing from the scope of the right according to the concept of the present invention, the first element being referred to as the second element, The second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when it is mentioned that an element is "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions for describing relationships between components, such as "between?" And "immediately between?" Or "adjacent to?" And "directly adjacent to?", Should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. The terms "comprise" or "having" herein are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof that is practiced, and that one or more other features or numbers, It is to be understood that it does not exclude in advance the possibility of the presence or addition of steps, actions, components, parts or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning of the context in the relevant art and, unless explicitly defined herein, are to be interpreted as ideal or overly formal Do not.

Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings. Like reference symbols in the drawings denote like elements.

As shown in Figures 1 to 5, the emergency relaxation control device of the vehicle door according to the present invention is a main body 100 is fixedly installed on the wall of the vehicle, the operation wheel rotatably coupled to the inside of the main body 100 (110), the loosening operation unit 120 is coupled to the operation wheel 110, it is configured to include a loosening controller 130 is fixed to the main body (100).

The main body 100 is provided with a concave accommodation space 101 on the surface facing the interior of the vehicle, the relaxation operator 120 is installed in the interior of the accommodation space (101). The cover plate 103 which is opened and closed on the main body 100 is installed so as to prevent arbitrary operation of the loosening manipulator 120. The illustrated cover plate 103 is opened and closed in such a manner that the upper end is hinged to the main body 100 so that the lower portion is rotated forward / backward, and the locking mechanism 104 fixing the free end portion of the lower portion in the closed position is provided with the main body ( 100) is installed at the bottom. The cover plate 103 may be made of a transparent material itself or a structure in which a see-through window is provided in part so that the lax manipulator 120 can be seen from the outside.

The operation wheel 110 is coupled to the lax manipulator 120 through the shaft 111 is integrally rotated about the shaft 111. The outer circumferential portion of the operation wheel 110 is provided with a wire winding portion 113 is wound around the operating wire (not shown) connected to the emergency relaxation mechanism of the door lock device of the vehicle is a rotational force applied to the operation wheel 110 is It is transmitted to the emergency release mechanism through the operation wire to perform the release operation and the return operation. The emergency relief mechanism will be described later with reference to FIGS. 6 to 11.

The loosening manipulator 120 is formed in a substantially disc shape, and is provided with a grip portion 121 protruding on an outwardly facing surface. In addition, the stopper portion 123 is provided at one side of the relaxation operator 120. The stopper 123 is a locking means for providing a fixing force to limit the rotation of the relaxation control unit 120 according to the operation of the relaxation controller 130, it may be made in various forms such as grooves, holes, projections. In this embodiment, it is illustrated that provided in the form of a hole.

The loosening controller 130 is magnetized according to the power supply and advances according to the magnetization or non-magnetization of the solenoid 131 and the solenoid 131 to the stopper 123 of the loosening operator 120. And a movable stopper 133 that is inserted to provide a clamping force.

6 to 11 show an example of a vehicle door opening and closing device provided with an emergency relief device to which the present invention is applied. The illustrated vehicle door opening and closing device is an example of a structure that opens and closes a pair of doors (not shown), and a pair of transfer screws 10 installed to form a serial arrangement on both sides along the opening and closing direction of each door, and the transfer The sliding unit 11 and the sliding unit 11 on both sides, which are helically coupled to the screw 10 and coupled to the lower door, move the door in the open or closed direction according to the rotation of the transfer screw 10, and have been moved to the closed position. Locking device (12, 16) to provide a fixed force when, the unlocking cam 30 for releasing the lock of the lock device (12, 16) when the door is automatically opened, the lock to enable manual opening of the door in an emergency And an emergency relaxation cam 20 to unlock the devices 12 and 16.

A motor (not shown) providing a driving force is connected to an outer end portion of the transfer screw 10, and an inner end portion of both transfer screws 10 is connected to both sides of the shaft support unit 19 to be rotatably supported. do.

The locking devices 12 and 16 include a fixed hook 16 fixed to the shaft support unit 19 and a movable hook 12 installed and moved on the sliding unit 11 side.

The fixing hook 16 is provided with locking projections 17 formed at both ends of the outer surface is inclined and the surfaces facing each other to form a vertical surface.

The movable hook 12 is coupled to the sliding unit 11 so as to be pivotable by the pivot shaft 13 in a seesaw manner, and rides the inclined surface of the locking projection 17 at one end of the fixed hook 16. It is possible to enter inside, but after entering the locking roller 15 is installed on the vertical surface of the locking projection 17 to maintain the locked state. In addition, the opposite end portion is provided with the locking roller 15 is elastically supported to receive a force in a direction outwardly to the spring (14).

The unlocking cam 30 is installed to rotate together with the transfer screw 10, and pushes the movable hook 12 according to the rotational position so that the locking roller 15 is separated from the fixed hook 16. It is provided with a pressing portion to be able to be released, that is to say unlocked. A release roller 31 is mounted on the pressurizing portion of the unlocking cam 30 to prevent abrasion occurring when the unlocking cam 30 and the movable hook 12 are in direct contact with each other, and to perform a smooth operation. In addition, the movable block 12 is provided with a pressure block 18 in contact with the release roller 31.

The emergency relaxation cam 20 is installed so as to be rotatable independently of the transfer screw 10, the pressing portion 22 protrudes to release the lock by pushing the movable hook 12 according to the rotation position on one side. Is provided. In addition, the other side is provided with a wire coupling portion 21 is fastened to the operation wire connected to the operation wheel 110 in the direction of releasing the lock of the locking device (12, 16) in conjunction with the rotation of the operation wheel (110). Is rotated. The pressing portion 22 is also installed to push the movable hook 12 through the pressing block 18 to prevent the wear and smooth operation. When the rotational force by the operation wire is not applied, a spring (not shown) is provided as a means for returning the emergency relaxation cam 20 to its original position so that the locking state of the locking devices 12 and 16 is maintained.

Referring to the operating state in which the emergency release of the vehicle door is adjusted by the apparatus of the present invention configured as described above are as follows.

Normally, as shown in FIG. 1, the relaxation operator 120 is in a non-operational position. Accordingly, only the elastic restoring force of the spring is applied to the emergency relaxation cam 20 to thereby release the emergency relaxation cam 20. Regardless of the opening / closing state of the door, it is fixed at a position that does not affect the locking and unlocking of the locking devices 12 and 16.

In this state, the door is automatically opened and closed according to the rotation of the transfer screw 10, and accordingly, the automatic locking and releasing is performed. That is, when the door closing command is input while the door is open, the transfer screw 10 is rotated by the motor to move the sliding unit 11 to the closed position of the door, and when the door is completely closed, the movable hook ( The locking roller 15 of the 12 enters the locking position of the inside of the fixing hook 16 by riding the locking protrusion 17 of the fixing hook 16. At this time, since the movable hook 12 is supported by the spring 14, the locking operation is made smoothly, and the lock roller 15 is prevented from being released from the locking position, thereby maintaining the locked state firmly.

When the door opening signal is transmitted and the transfer screw 10 is rotated in the opposite direction by a motor, the sliding unit 11 is moved to the open position of the door, and the unlocking cam 30 is rotated when the opening operation is started. The pressing portion 22 pushes the movable hook 12 outward. Accordingly, the lock roller 15 is released to the outside of the fixed hook 16 to release the lock, and the door can be opened.

In a state where the door is closed and locked, when the door is to be opened manually, the emergency relaxation cam 20 is manually operated using the emergency relaxation control device of the present invention. ) Operation is possible or impossible by the operation of the slow controller 130 according to the driving state of the vehicle.

More specifically, when the vehicle is in a stopped state or in a state of driving at a low speed below a certain speed, the power supply is cut off (or the power is supplied) to the solenoid 131 of the slow controller 130 and the movable stopper 133 ) Is in the retracted position, that is, the position that does not restrain the rotation of the relaxation operator (120). Accordingly, a user such as a crew member or a passenger may rotate the relaxation operator 120 to the ON position, and when the operation wheel 110 is rotated by the relaxation operator 120, the emergency relaxation may be performed by the force transmitted through the operation wire. The sun cam 20 is rotated. At this time, since the emergency release cam 20 is rotated, the pressing unit 22 pushes the movable hook 12 to the outside, so that the locking doll 15 is similar to the unlocking by the unlocking cam 30 described above. Is released to the outside of the fixing hook 16 to be able to open the door manually.

Then, when the loosening operation 120 is rotated to the OFF position, the rotational force by the loosening operation 120 is released so that the emergency loosening cam 20 affects the locking and unlocking of the locking devices 12 and 16 by the spring. It returns to the rotational position not given.

On the contrary, when the vehicle is driven at a certain speed or more, and the vehicle is not suitable for emergency opening of the door, the solenoid 131 of the slow controller 130 is supplied with power (or shut off). The movable stopper 133 is advanced, and the advanced movable stopper 133 is inserted into the stopper portion 123 of the relaxation operator 120, so that the relaxation operator 120 is fixed in a state in which rotation is impossible. Accordingly, the relaxation device is operated by a person having an undesired purpose such as a mischief or a crime to prevent unnecessary opening of the door and the possibility of obstruction of vehicle operation and the occurrence of a safety accident.

On the other hand, in the above-described embodiment the configuration of the relaxation controller 130 is an example, in a variety of structures that are operated to apply or limit the rotation of the relaxation operator 120 or the operation wheel 110 in accordance with an external signal input. Can be done. In addition, the lax manipulator 120 may also be made of a variety of conventional mechanism structure that can provide a mechanical actuation force, such as a lever, a button, as well as the circular rotating knob shape illustrated.

In addition, the loosening adjustment device of the present invention is a door locking and emergency relief structure having a movable hook 12, fixed hook 16, unlocking cam 30, emergency relaxation cam 20 illustrated as described above. In addition, the present invention can be applied to various conventional automatic opening and closing door systems having an emergency relaxation function of a vehicle door. In addition, the loosening adjustment device of the present invention is not only an electric opening and closing door system having the motor and the transfer screw 10 described above, but also a fluid pressure opening and closing door system having an actuator using a fluid pressure such as a pneumatic cylinder and a hydraulic cylinder. Can be applied.

In addition, as a means for detecting a vehicle driving state for the operation of the slowdown controller 130 may be provided with a speed detection means of various methods, in addition to the driving speed of the vehicle various driving conditions are input through the detection means of the corresponding conditions The operation of the relaxation controller 130 may be adjusted.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

10: feed screw 11: sliding unit
12: movable hook 15: locking roller
16: fixed hook 17: locking projection
18: pressure block 19: shaft support unit
20: emergency relaxation cam 21: wire coupling
22: pressurization portion 30: unlocking cam
31: release roller 100: the main body
101: receiving space 103: cover plate
104: locking mechanism 110: operating wheel
111: shaft 113: wire winding
120: loosening operation 123: stop
130: loosening controller 131: solenoid
133: movable stopper

Claims (13)

A door rotatably or movable at an entrance of a vehicle, a driving means for rotating or moving the door to an open or closed position according to an input of a door opening / closing control signal, a locked operation to lock the closed door to a closed position, and In the automatic opening and closing door having a locking means for releasing the lock, the emergency release means for manually releasing the lock of the door by the locking means in the emergency to open the door manually,
A relaxation operator receiving an operating force of an operator for unlocking the emergency release means;
A power transmission means connected between the relaxation operator and the emergency relaxation means to transmit an operating force for unlocking; And
Including a slow controller to the operation of the vehicle according to the signal input according to the driving state of the slow release operation control or to release the lock to enable operation
Emergency relief device on vehicle door.
The method of claim 1,
The relaxation controller includes a movable stopper for fixing or releasing the relaxation operator according to a moving or rotating position, and an actuator for moving or rotating the movable stopper.
Emergency relief device on vehicle door.
The method of claim 2,
The actuator includes any one of an electric actuator for providing an operating force by driving of a motor, a telescopic cylinder for providing an operating force under pressure of a fluid, and a solenoid for providing an operating force by a magnetic force.
Emergency relief device on vehicle door.
The method of claim 2,
The relaxation actuator is provided with a stop having any one of a hole, a recess and a protrusion, and the movable stopper of the relaxation controller is advanced or retracted so as to be inserted into or caught by the stop.
Emergency relief device on vehicle door.
The method of claim 1,
The power transmission means consists of a working wire
Emergency relief device on vehicle door.
The method of claim 1,
The slowdown controller may further include a movement detecting means for detecting whether the vehicle is moving or the speed of the vehicle, when the vehicle is stopped or moved below a certain speed according to a signal input transmitted by the movement detecting means. To release the lock
Emergency relief device on vehicle door.
The method according to claim 6,
The movement detecting means includes a rotation sensor for detecting a rotation of at least one of a wheel, an axle, an output shaft of a motor, and a drive shaft between the driving motor and the axle of the vehicle.
Emergency relief device on vehicle door.
The method according to claim 6,
The movement detecting means includes a displacement sensor for detecting a moving speed of the vehicle.
Emergency relief device on vehicle door.
The method according to claim 6,
The movement detecting means includes a GPS receiver configured to receive a GPS signal and detect a change in the position of the vehicle.
Emergency relief device on vehicle door.
10. The method according to any one of claims 1 to 9,
The locking means includes a fixed hook fixedly installed on the side of the door, the movable hook is installed to move integrally with the door, the movable hook is engaged with the fixed hook to lock the door when the door reaches the closed position. The release means rotates or moves the movable hook to be separated from the fixed hook by the operating force transmitted through the power transmission means.
Emergency relief device on vehicle door.
The method of claim 10,
The movable hook is rotatably installed to be close to or spaced toward the fixed hook, and the emergency release means is provided with an emergency relaxation cam pressurizing the movable hook to be spaced apart from the fixed hook according to the rotational position.
Emergency relief device on vehicle door.
The method of claim 10,
The driving means includes a transfer screw rotated by a motor, a sliding unit coupled to the door and helically coupled to the transfer screw to reciprocate the door according to the rotation of the transfer screw,
It is installed on the door closing side end of the transfer screw further comprises a unlocking cam to press the movable hook to be spaced apart from the fixed hook according to the rotation position
Emergency relief device on vehicle door.
The method of claim 10,
The fixing hook is provided with a locking projection having an inclined outer surface, and the movable hook is provided with a locking roller that enters the inside of the fixing hook on an inclined surface of the locking protrusion on one side and the locking roller is fixed by a spring. Elastically supported in an inward direction of the
Relief adjuster on vehicle door.

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