CN111285231A - Elevator layer door lock protector and elevator layer door - Google Patents
Elevator layer door lock protector and elevator layer door Download PDFInfo
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- CN111285231A CN111285231A CN202010151673.2A CN202010151673A CN111285231A CN 111285231 A CN111285231 A CN 111285231A CN 202010151673 A CN202010151673 A CN 202010151673A CN 111285231 A CN111285231 A CN 111285231A
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- door lock
- landing door
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- elevator landing
- rod
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- 230000001012 protector Effects 0.000 title claims description 3
- 238000002955 isolation Methods 0.000 claims description 8
- 230000005520 electrodynamics Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000005693 optoelectronics Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses an elevator landing door lock protection device and an elevator landing door, comprising: a host; the first sensor and the second sensor are respectively arranged at the upper end and the lower end of the elevator landing door and are used for detecting the position of the elevator car and transmitting detected signals to the host; the electric magnetic mechanism is arranged on the layer door lock and used for receiving a control signal transmitted by the host and realizing the opening or closing of the layer door lock according to the control signal; when the elevator is in a normal running state, the device can play a role in protecting the landing door lock, so that the landing door lock can be unlocked only when the elevator car is in a set position, and the landing door lock cannot be unlocked when the elevator is in a non-set position; the safety of the personnel in the rescue, maintenance or lift car is ensured.
Description
Technical Field
The invention relates to the technical field of elevator safety of special equipment, in particular to an elevator landing door lock protection device and a landing door lock.
Background
The elevator is a device which vertically moves among different floors in a hoistway, a landing door is arranged on each landing of the elevator, and the landing door drives a car door to open so that passengers can get in and out of the car. When the elevator runs and the lift car is not at the flat floor position, the floor lift car doors are in a closed state to prevent accidents. Meanwhile, in order to prevent passengers in the lift car from being dangerous when the lift car is opened to a flat floor, a door lock is arranged on the floor car door, when the lift car reaches the flat floor position, the floor car door is opened, an elevator door lock loop is disconnected, and the elevator stops running and cannot be started, so that the safety of the passengers is guaranteed. When the elevator is in a power failure, rescue or overhaul state, the landing door of the elevator can be opened only by the triangular key.
In recent years, accidents caused by falling of people into a hoistway are increasing due to mistaken opening of elevator landing doors, and one of the reasons for the accidents is abuse of an elevator external key (triangular key). At present, a landing door lock of an elevator landing door does not have any protection measure, and can be opened at will only by an external key, so that potential safety hazards are caused.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides an elevator landing door lock protection device in a first aspect, and provides an elevator landing door in a second aspect, so that the situation that the landing door lock is unlocked by a key at an improper position and a safety accident occurs is prevented.
An elevator landing door lock guard according to an embodiment of a first aspect of the present invention includes: a host; the first sensor and the second sensor are respectively arranged at the upper end and the lower end of the elevator landing door and are used for detecting the position of the elevator car and transmitting detected signals to the host; and the electric magnetic mechanism is arranged on the layer door lock and used for receiving the control signal transmitted by the host and realizing the opening or closing of the layer door lock according to the control signal.
The elevator landing door lock protection device according to the embodiment of the invention at least has the following technical effects: when the elevator is in a normal running state, the elevator landing door lock protective device can play a protective role on the landing door lock, so that the landing door lock can be unlocked only when the elevator car is in a set position, and the landing door lock cannot be unlocked when the elevator is in a non-set position; the safety of the personnel in the rescue, maintenance or lift car is ensured.
According to some embodiments of the invention, the electromagnetic force mechanism comprises: the front end of the scissors fastening structure can be movably fastened on the landing door lock; the first electric magnetic module is arranged at the tail end of the scissors fastening structure and is used for controlling the front end of the scissors fastening structure to act; the first resetting structure is arranged at the rear end of the scissors fastening structure and used for controlling the resetting of the scissors fastening structure.
According to some embodiments of the present invention, the scissors fastening structure comprises a first fastening rod and a second fastening rod, the first fastening rod and the second fastening rod are pivotally connected through a rotating shaft, the rotating shaft is fixed on the landing door, the tail ends of the first fastening rod and the second fastening rod are respectively provided with a first magnet or a second magnet, and the magnetic poles of the first magnet and the second magnet are respectively adjacent to the same pole of the S pole or the N pole generated by the first electrodynamic magnetic module being electrified; the front ends of the first buckling rod and the second buckling rod can be matched with each other to buckle or loosen the layer door lock, so that the layer door lock can be opened or closed.
According to some embodiments of the present invention, the first and second buckling rods are provided with a gear on the inner side of the front end thereof.
According to some embodiments of the invention, the first return structure employs a return spring.
According to some embodiments of the invention, the electromagnetic force mechanism comprises: the front end of the telescopic armature is movably arranged on the rotatable rod of the landing door lock latch hook in a penetrating way; the rear end of the telescopic armature is sleeved in the second electric magnetic module and used for controlling the telescopic armature to stretch; and the second reset structure is arranged at the rear end of the telescopic armature and used for controlling the reset of the telescopic armature.
According to some embodiments of the present invention, the host comprises a microprocessor, an input of the microprocessor is electrically connected to the first and second sensors through a photoelectric isolation device, and an output of the microprocessor is electrically connected to the electric protection mechanism through a current driver.
According to some embodiments of the invention, the first and second sensors are located at a distance of ≦ 10cm from the top or bottom end of the landing door, respectively.
According to some embodiments of the invention, the first and second sensors are reflective photo sensors or hall proximity sensors.
The elevator landing door according to the embodiment of the second aspect of the invention comprises a door lock, and the door lock is provided with the elevator landing door lock protection device according to the embodiment of the first aspect of the invention.
The elevator landing door provided by the embodiment of the invention further has the following beneficial effects: the landing door lock protective device is additionally arranged on the landing door lock of the elevator landing door, so that the landing door lock can be protected, the landing door lock can be unlocked only when the elevator car is in a set position, and the landing door lock cannot be unlocked when the elevator is in a non-set position; the safety of personnel in the car or rescue, maintenance or lift car is ensured, and the safety of the elevator landing door is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic diagram of the control principle of the present invention;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a schematic view of an electrodynamic magnetic force mechanism according to embodiment 1 of the present invention in a normal state;
FIG. 4 is a schematic diagram of an electrified state of the electromagnetic power mechanism in embodiment 1 of the present invention;
FIG. 5 is a schematic view of an electrodynamic magnetic force mechanism according to embodiment 2 of the present invention in a normal state;
FIG. 6 is a schematic diagram of an electrified state of an electromagnetic force mechanism according to embodiment 2 of the present invention;
fig. 7 and 8 are diagrammatic views of the elevator of the invention when operating in different positions.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, an elevator landing door lock guard according to an embodiment of a first aspect of the present invention includes: a main machine 100 for setting a working state and judging a position of the elevator car according to the received sensor signal; first and second sensors A, B installed at upper and lower ends of the landing door 400, respectively, for detecting the position of the elevator car and transmitting the detected signals to the main machine 100; and the electric magnetic force mechanism 300 is arranged on the layer door lock and used for receiving the control signal transmitted by the host and realizing the opening or closing of the layer door lock according to the control signal.
When the elevator is in a normal running state, the first and second sensors A, B detect signals of the elevator car in real time and transmit the detected first signals to the main machine 100; the main machine 100 judges whether the position of the elevator car is at a set position according to the selected working state and the received first signal; wherein, the working state can be a maintenance state and a rescue state; setting the position, wherein the position can be the current layer, the next layer or between the current layer and the next layer; if the landing door lock is at the set position, the host 100 controls the electric magnetic mechanism 300 of the landing door to operate, so as to realize the opening of the landing door lock; if the position is not at the set position, the electromagnetic mechanism 300 is not operated or reset. The device has a protection effect on the landing door lock, ensures that the landing door lock can be unlocked only when the elevator car is in a set position, and cannot be unlocked when the elevator is in a non-set position; the safety of the personnel in the rescue, maintenance or lift car is ensured.
With further reference to fig. 7, 8, the particular protection method in some particular embodiments may be divided into a rescue state and a maintenance state; the set positions of the elevator may be: this layer, the next layer or between this layer and the next layer. Setting the elevator landing as the nth floor, setting the first and second sensors arranged at the upper and lower ends of the elevator landing door of the landing as An and Bn, and setting the first and second sensors arranged at the upper and lower ends of the elevator landing door of the (n-1) th floor as An-1 and Bn-1;
when the host computer is in the rescue state, the set position is between this layer or this layer and the next layer:
when the first sensor An detects the car signal alone but the second sensor Bn does not detect the car signal, it is determined that the elevator car is not on the floor, the next floor, or between the floor and the next floor, and the electromagnetic power mechanism 300 of the landing door does not operate;
when the first sensor An and the second sensor Bn both detect the car signals, the elevator car is judged to be on the floor, and the electric magnetic mechanism 300 of the floor door of the floor operates to open the floor door lock;
when the first sensor An does not detect the car signal, but the second sensor Bn detects the car signal alone, it is determined that the elevator car is between the current floor and the next floor, and the electromagnetic mechanism 300 of the landing door operates to unlock the landing door lock.
When the host computer is in maintenance state, the setting position is between this layer and the next layer or the next layer:
when the second sensor Bn and the first sensor An-1 both detect the car signal, the elevator car is judged to be between the current floor and the next floor, and the electric magnetic mechanism 300 of the landing floor door acts to open the landing door lock;
when the second sensor Bn does not detect a car signal, but the first sensor is An-1 and detects the car signal, the elevator car is judged to be at the next floor, and the electric magnetic mechanism 300 of the landing door acts to open the landing door lock;
when the first sensor An-1 and the second sensor Bn-1 both detect the car signals, the elevator car is judged to be at the next floor, and the electric magnetic mechanism 300 of the landing door acts to open the landing door lock;
the first sensor An-1 does not detect a signal, only the second sensor Bn-1 detects a car signal, and then the elevator car is judged not to be in the current floor, the next floor or between the current floor and the next floor, and the electromagnetic power mechanism 300 of the landing door does not act.
With further reference to fig. 3-4, in some specific embodiments of the first aspect embodiment of the invention, the electromagnetic force mechanism comprises: the scissors fastening structure 310, the front end of which can be movably fastened on the landing door lock; the first electric magnetic module 320 is arranged at the tail end of the scissors fastening structure and is used for controlling the front end action of the scissors fastening structure; the first reset structure 330 is disposed at the rear end of the scissors fastening structure and used for controlling the resetting of the scissors fastening structure.
In some embodiments of the first aspect of the present invention, the scissors fastening structure 310 includes a first fastening rod 311 and a second fastening rod 312, the first fastening rod 311 and the second fastening rod 312 are pivotally connected by a rotating shaft 315, the rotating shaft 315 is fixed on the landing door, the tail ends of the first fastening rod 311 and the second fastening rod 312 are respectively provided with a first magnet 321 or a second magnet 322, and the magnetic poles of the first magnet 321 and the second magnet 322 are respectively adjacent to the same pole as the S pole or the N pole generated by the first electrodynamic magnetic module 320 when being electrified; the front ends of the first fastening rod 311 and the second fastening rod 312 can be matched with each other to fasten or release the layer door lock, so that the layer door lock can be opened or closed;
in some embodiments, if the lock of the landing door is a triangular lock, the front ends of the first fastening rod 311 and the second fastening rod 312 fasten the triangular pillar at the triangular keyhole of the landing door in a normal state; when the elevator car moves to a set position, the first and second sensors A, B mounted on the landing doors sense the presence of the car and transmit signals back to the main machine 100; the main machine 100, after judging that the car is at the set position, sends a signal to energize the first electric magnetic module 320 of the landing door and form N, S magnetic poles, if the magnetic pole of the first magnet 321 is S-pole, the end of the first electric magnetic module 320 located at the first magnet 321 is also S-pole, at this time, the magnetic pole of the second magnet 322 is N-pole, the magnetic pole of the first electric magnetic module 320 located at the second magnet 322 is also N-pole, according to the principle that the same magnetic poles repel, the first electric magnetic module is energized to generate a repulsive force greater than the restoring force of the first reset structure 330, the first buckling rod 311 and the second buckling rod 312 of the scissors buckling structure are spread under the repulsive force, and the triangular column of the landing door triangular key can rotate freely; when the car leaves the set position, the signal of the main machine 100 disappears, so that the first electric magnetic module 320 loses power, the magnetic force disappears, and under the restoring force of the first resetting structure 330, the front ends of the first buckling rod 311 and the second buckling rod 312 buckle the triangular column of the landing door triangular key again.
In some specific embodiments of the first aspect of the present invention, the inner sides of the front ends of the first buckling rod 311 and the second buckling rod 312 are provided with a stop 313, so as to ensure that the first buckling rod 311 and the second buckling rod 312 can buckle a layer door lock in each direction, and avoid the situation of improper buckling; the limiting structure 314 is oppositely arranged on the outer side of the front end of the first buckling rod 311 and the outer side of the front end of the second buckling rod 312 on the landing door, so that the interference on other parts caused by too large loosening angle of the two buckling rods 311 and 312 during electrification is avoided.
In some specific embodiments of the first aspect of the present invention, the first restoring structure 330 employs a restoring spring, one end of the restoring spring is connected to the tail of the first buckling rod 311, and the other end of the restoring spring is connected to the tail of the second buckling rod 312; the advantage of adopting reset spring is that can produce great fastening force, tightly detain lock hole structure for it can not the free rotation.
Further, referring to fig. 5-6, in some specific embodiments of the first aspect embodiment of the present invention, the electromagnetic force mechanism 300 may further adopt the following structure: the front end of the telescopic armature 340 can movably penetrate through a rotatable rod of the landing door lock latch hook; the rear end of the telescopic armature 340 is sleeved in the second electric magnetic module 350, and the telescopic armature 340 is controlled to stretch by the power on and power off of the second electric magnetic module 350; the second reset structure 360 is arranged at the rear end of the telescopic armature 340 and used for controlling the reset of the telescopic armature 340, the second reset structure 360 adopts a shrapnel or a spring, and when the second electric magnetic module 350 is powered off, the telescopic armature 340 extends out under the elastic force of the shrapnel or the spring and penetrates through a rotatable rod of the landing door lock hook to prevent the rotatable rod from rotating so as to prevent the landing door lock from being opened; when the second electric magnetic module is powered on, a suction force greater than the restoring force of the second reset structure 330 is generated, so that the front end of the telescopic armature 340 loosens the rotatable rod of the layer door lock hook. It should be noted that the electromagnetic force mechanism 300 may only include the scissors fastening structure 310, the first electromagnetic force module 320 and the first reset structure 330, or may only include the telescopic armature 340, the second electromagnetic force module 350 and the second electromagnetic force module 350; of course, the scissors fastening structure 310, the first electromagnetic module 320, the first reset structure 330, the telescopic armature 340, the second electromagnetic module 350, and the second electromagnetic module 350 may be included; that is, two sets of several can be set simultaneously, also can be set independently.
In some embodiments of the first aspect of the present invention, the host 100 includes a microprocessor 110, an input of the microprocessor 110 is electrically connected to the first and second sensors A, B through the optoelectronic isolation device 120, and an output of the microprocessor 110 is electrically connected to the electric protection mechanism 300 through a current driver 130; the microprocessor 110 may be an STC series 51 single chip microcomputer, the optoelectronic isolation device 120 may be a 6N137 optoelectronic isolation chip, and the current driver 130 may be a 2803 current driver chip.
In some specific examples of the first aspect of the present invention, the first and second sensors A, B can be reflective photoelectric sensors or hall proximity sensors, and can sense the position of the car without touching the car when the car approaches, and in some examples, the distance between the first and second sensors A, B and the top end or the bottom end of the landing door is less than or equal to 10 cm; the distance detection is relatively accurate.
Referring to fig. 1 and 2, an elevator landing door according to an embodiment of the first aspect of the present invention includes a door lock on which an elevator landing door lock guard according to an embodiment of the first aspect of the present invention is provided. The landing door lock protective device is additionally arranged on the landing door lock of the elevator landing door, so that the landing door lock can be protected, the landing door lock can be opened only when the elevator car is in a set position, and the landing door lock cannot be opened when the elevator car is in a non-set position; the safety of personnel in the car or rescue, maintenance or lift car is ensured, and the safety of the elevator landing door is improved.
A first embodiment elevator landing door lock guard according to an embodiment of the first aspect of the present invention is described in detail in two specific embodiments with reference to fig. 1-6. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
As shown in fig. 1 to 4, an elevator landing door lock guard includes: the main machine 100, the first and second sensors A, B, and the electromagnetic mechanism 300, wherein the main machine 100 includes a microprocessor 110, an input terminal of the microprocessor 110 is electrically connected to the first and second sensors A, B through a photoelectric isolation device 120, and an output terminal of the microprocessor 110 is electrically connected to the electric protection mechanism 300 through a current driver 130; the microprocessor 110 may be an STC series 51 single chip microcomputer, the optoelectronic isolation device 120 may be a 6N137 optoelectronic isolation chip, and the current driver 130 may be a 2803 current driver chip. The main machine 100 is used for setting working states, such as a normal operation state, a maintenance state, a rescue state and the like, judging the position of the elevator car in a specific state according to the received sensor signal, and sending a corresponding instruction to control the action of the electromagnetic power mechanism 300; in some embodiments, the first and second sensors A, B are respectively installed at the upper and lower ends of the elevator landing door 400 at a distance of less than or equal to 10cm from the top end or the bottom end of the landing door; for detecting the position of the elevator car and transmitting the detected signal to the main machine 100; the first sensor A, B and the second sensor A, B can adopt reflective photoelectric sensors or Hall proximity sensors, and can sense the positions of the cars without touching the cars when the cars approach;
and the electric magnetic force mechanism 300 is arranged on the layer door lock and used for receiving the control signal transmitted by the host and realizing the opening or closing of the layer door lock according to the control signal. Specifically, as shown in fig. 3 and 4, the electromagnetic force mechanism includes: the scissors fastening structure 310 comprises a first fastening rod 311 and a second fastening rod 312, the first fastening rod 311 and the second fastening rod 312 are pivotally connected through a rotating shaft 315, the rotating shaft 315 is fixed on a landing door, the tail ends of the first fastening rod 311 and the second fastening rod 312 are respectively provided with a first magnet 321 or a second magnet 322, and the magnetic poles of the first magnet 321 and the second magnet 322 are respectively adjacent to the same pole of the S pole or the N pole generated by electrifying the first electric magnetic module 320; the front ends of the first fastening rod 311 and the second fastening rod 312 can be matched with each other to fasten or release the layer door lock, so that the layer door lock can be opened or closed; the inner sides of the front ends of the first buckling rod 311 and the second buckling rod 312 are oppositely provided with a gear 313, so that the first buckling rod 311 and the second buckling rod 312 can buckle the layer door lock in each direction, and the situation that the buckling is not in place is avoided; the limiting structure 314 is oppositely arranged on the outer side of the front end of the first buckling rod 311 and the outer side of the front end of the second buckling rod 312 on the landing door, so that the interference on other parts caused by too large loosening angle of the two buckling rods 311 and 312 during electrification is avoided. The first electric magnetic module 320 is arranged at the tail end of the scissors fastening structure and is used for controlling the front end action of the scissors fastening structure; the first reset structure 330 adopts a reset spring, one end of the reset spring is connected to the tail of the first buckling rod 311, and the other end of the reset spring is connected to the tail of the second buckling rod 312, and is used for controlling the resetting of the scissors buckling structure; the advantage of adopting reset spring is that can produce great fastening force, tightly detain lock hole structure for it can not the free rotation.
The specific working principle is as follows: if the lock arranged on the landing door is a triangular lock, in a normal state, the front ends of the first buckling rod 311 and the second buckling rod 312 buckle a triangular column at a triangular key hole of the landing door; when the elevator car moves to a set position, the first and second sensors A, B mounted on the landing doors sense the presence of the car and transmit signals back to the main machine 100; the main machine 100, after judging that the car is at the set position, sends a signal to electrify the first electric magnetic module 320 of the landing door and form N, S magnetic poles, if the magnetic pole of the first magnet 321 is S pole, the end of the first electric magnetic module 320 located at the first magnet 321 is also S pole, at this time, the magnetic pole of the second magnet 322 is N pole, the magnetic pole of the first electric magnetic module 320 located at the second magnet 322 is also N pole, according to the principle that the same magnetic poles repel, the first buckling rod 311 and the second buckling rod 312 of the scissors buckling structure are opened under the action of repulsion force, and the triangular column of the landing door triangular key can rotate freely; when the car leaves the set position, the signal of the main machine 100 disappears, so that the first electric magnetic module 320 loses power, the magnetic force disappears, and under the action of the first reset structure 330, the front ends of the first buckling rod 311 and the second buckling rod 312 buckle the triangular column of the landing door triangular key again.
Referring further to fig. 5-6, in a second specific embodiment of the elevator landing door lock guard according to the first aspect of the present invention, in this embodiment, the following structure may also be adopted for the electromagnetic force mechanism: the front end of the telescopic armature 340 can movably penetrate through a rotatable rod of the landing door lock latch hook; the rear end of the telescopic armature 340 is sleeved in the second electric magnetic module 350, and the telescopic armature 340 is controlled to stretch by the power on and power off of the second electric magnetic module 350; the second structure 360 resets, the setting is at the rear end of flexible armature 340, a reset for controlling flexible armature 340, second structure 360 resets adopts can shell fragment or spring, when second electric magnetic force module 350 loses the electricity, flexible armature 340 stretches out and wears to establish on the rotatable lever 360 of layer lock latch hook under the spring action of shell fragment or spring, prevent the dwang 360 to rotate, and then prevent opening of layer lock, specifically, be provided with through-hole 370 on the dwang 360, wear to establish in through-hole 370 when flexible armature 340 loses the electricity.
In a third specific embodiment of the elevator landing door lock guard according to the first aspect of the present invention, in this embodiment, the electromagnetic power mechanism may further include: comprises a scissors fastening structure 310, a first electric magnetic module 320, a first reset structure 330, a telescopic armature 340, a second electric magnetic module 350 and a second electric magnetic module 350.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Elevator layer lock protector, its characterized in that includes:
a host;
the first sensor and the second sensor can be respectively arranged at the upper end and the lower end of the elevator landing door and are used for detecting the position of the elevator car and transmitting the detected signals to the host;
the first electric magnetic mechanism and/or the first electric magnetic mechanism is/are arranged on the layer door lock and used for receiving a control signal transmitted by the host and realizing the opening or closing of the layer door lock according to the control signal.
2. The elevator landing door lock guard of claim 1, wherein the electromagnetic power mechanism comprises:
the front end of the scissors fastening structure can be movably fastened on the landing door lock;
the first electric magnetic module is arranged at the tail end of the scissors fastening structure and is used for controlling the front end of the scissors fastening structure to act;
the first resetting structure is arranged at the rear end of the scissors fastening structure and used for controlling the resetting of the scissors fastening structure.
3. The elevator landing door lock protection device according to claim 2, wherein the scissors fastening structure comprises a first buckling rod and a second buckling rod, the first buckling rod and the second buckling rod are pivotally connected through a rotating shaft, the rotating shaft is fixed on the landing door, a first magnet or a second magnet is arranged at the tail end of each of the first buckling rod and the second buckling rod, and the magnetic poles of the first magnet and the second magnet are respectively adjacent to the same pole of the S pole or the N pole generated by electrifying the first electrodynamic magnetic module; the front ends of the first buckling rod and the second buckling rod can be matched with each other to buckle or loosen the layer door lock, so that the layer door lock can be opened or closed.
4. The elevator landing door lock guard of claim 2, wherein a stop is oppositely disposed inside the front ends of the first and second buckling rods.
5. The elevator landing door lock guard of claim 2, wherein the first return structure employs a return spring.
6. The elevator landing door lock guard according to claim 1 or 2, wherein the electromagnetic force mechanism includes:
the front end of the telescopic armature is movably arranged on the rotatable rod of the landing door lock latch hook in a penetrating way;
the rear end of the telescopic armature is sleeved in the second electric magnetic module and used for controlling the telescopic armature to stretch;
and the second reset structure is arranged at the rear end of the telescopic armature and used for controlling the reset of the telescopic armature.
7. The elevator landing door lock protection device of claim 1, wherein the host comprises a microprocessor, an input of the microprocessor is electrically connected to the first and second sensors through a photoelectric isolation device, and an output of the microprocessor is electrically connected to the electric protection mechanism through a current driver.
8. The elevator landing door lock guard of claim 1, wherein the first and second sensors are spaced from the top or bottom end of the landing door by a distance of less than or equal to 10 cm.
9. The elevator landing door lock guard of claim 1, wherein the first and second sensors are reflective photo sensors or hall proximity sensors.
10. The elevator landing door is characterized by comprising a door lock, wherein the lock hole part of the door lock is provided with the elevator landing door lock protective device of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151673.2A CN111285231A (en) | 2020-03-06 | 2020-03-06 | Elevator layer door lock protector and elevator layer door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010151673.2A CN111285231A (en) | 2020-03-06 | 2020-03-06 | Elevator layer door lock protector and elevator layer door |
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| Publication Number | Publication Date |
|---|---|
| CN111285231A true CN111285231A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010151673.2A Pending CN111285231A (en) | 2020-03-06 | 2020-03-06 | Elevator layer door lock protector and elevator layer door |
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| CN (1) | CN111285231A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231928A1 (en) * | 2002-07-16 | 2004-11-25 | Jean-Patrick Azpitarte | Safety system for the actuating of elevator landing doors |
| WO2005102900A1 (en) * | 2004-04-20 | 2005-11-03 | Mitsubishi Denki Kabushiki Kaisha | Platform door unlocking device of elevator |
| CN103754739A (en) * | 2014-02-08 | 2014-04-30 | 厦门康柏机械集团有限公司 | Building hoist enclosure door interlocking device |
| CN109879144A (en) * | 2019-03-01 | 2019-06-14 | 日立电梯（中国）有限公司 | Layer door unlocking control system, method, apparatus, computer equipment and storage medium |
| CN209571844U (en) * | 2019-03-02 | 2019-11-01 | 海南小魔科技有限公司 | A kind of mechanical lock charging storehouse |
| CN212425077U (en) * | 2020-03-06 | 2021-01-29 | 广东省特种设备检测研究院珠海检测院 | Elevator layer door lock protector and elevator layer door |
-
2020
- 2020-03-06 CN CN202010151673.2A patent/CN111285231A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040231928A1 (en) * | 2002-07-16 | 2004-11-25 | Jean-Patrick Azpitarte | Safety system for the actuating of elevator landing doors |
| WO2005102900A1 (en) * | 2004-04-20 | 2005-11-03 | Mitsubishi Denki Kabushiki Kaisha | Platform door unlocking device of elevator |
| CN103754739A (en) * | 2014-02-08 | 2014-04-30 | 厦门康柏机械集团有限公司 | Building hoist enclosure door interlocking device |
| CN109879144A (en) * | 2019-03-01 | 2019-06-14 | 日立电梯（中国）有限公司 | Layer door unlocking control system, method, apparatus, computer equipment and storage medium |
| CN209571844U (en) * | 2019-03-02 | 2019-11-01 | 海南小魔科技有限公司 | A kind of mechanical lock charging storehouse |
| CN212425077U (en) * | 2020-03-06 | 2021-01-29 | 广东省特种设备检测研究院珠海检测院 | Elevator layer door lock protector and elevator layer door |
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