CN111453590A - Elevator system capable of prohibiting non-professional persons from opening elevator landing door - Google Patents
Elevator system capable of prohibiting non-professional persons from opening elevator landing door Download PDFInfo
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- CN111453590A CN111453590A CN202010441824.8A CN202010441824A CN111453590A CN 111453590 A CN111453590 A CN 111453590A CN 202010441824 A CN202010441824 A CN 202010441824A CN 111453590 A CN111453590 A CN 111453590A
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- door
- electromagnetic
- landing
- elevator
- hanging plate
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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
- B66B13/143—Control systems or devices electrical
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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
- B66B13/30—Constructional features of doors or gates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
Abstract
The invention discloses an elevator system capable of forbidding non-professionals to open elevator landing doors, wherein a car is lifted in an elevator shaft, and the landing doors are arranged at the entrance of each landing of the elevator shaft; the door rail is fixedly arranged on the inner side of the upper end of an inlet of each landing of the elevator shaft, the top end of the door frame is fixedly provided with a door hanging plate, and the door frame is movably clamped on the door rail through the door hanging plate; an electromagnetic braking valve of the electromagnetic control device is arranged on the door track, and an electromagnetic iron core of the electromagnetic braking valve faces the door hanging plate of the landing door; the electromagnetic control device also comprises an electromagnetic induction switch and an electromagnetic induction trigger baffle plate which are used for controlling the on-off of the electromagnetic stop valve; the maintenance device is provided with a change-over switch, and when the change-over switch is closed, the electromagnetic braking valve is electrified. The elevator system capable of prohibiting non-professionals from opening the elevator landing door is characterized in that the non-professionals are prohibited from opening when an elevator car does not arrive at a landing, and the professionals can open the landing door at any time during maintenance, transformation and updating.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to an elevator system capable of forbidding non-professionals to open an elevator landing door.
Background
With the rapid development of economy in China, an elevator is a transportation device with people or goods as a service object, and the elevator needs to be regularly maintained, reformed and updated to achieve good service and avoid accidents. On one hand, in order to ensure the safety of non-professional personnel of owners, property and communities, the elevator landing doors are required to be locked when the elevator car does not arrive at the landing; on the other hand, the landing door can be opened by professional personnel at any time during maintenance, modification and updating. The stability of the elevator system at the present stage has a defect, and a non-professional person can open the elevator landing door when the elevator car does not arrive at the landing, so that an accident is easily caused.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide an elevator system capable of prohibiting a non-professional person from opening a landing door of an elevator, the non-professional person being prohibited from opening the landing door when an elevator car is not at the landing, and the professional person being capable of opening the landing door at any time during maintenance, modification, and renewal.
In order to achieve the purpose, the invention adopts the following technical scheme: an elevator system capable of forbidding non-professional persons to open elevator landing doors comprises a car, the landing doors, an electromagnetic control device and a maintenance device;
the elevator car is lifted in an elevator shaft, and the landing door is arranged at the entrance of each landing of the elevator shaft; the landing door comprises a door track, a door hanging plate and a door frame;
the door rail is fixedly arranged on the inner side of the upper end of an inlet of each landing of the elevator shaft, a door hanging plate is fixedly arranged at the top end of the door frame, and the door frame is movably clamped on the door rail through the door hanging plate;
an electromagnetic braking valve of the electromagnetic control device is mounted on a door track, and an electromagnetic iron core of the electromagnetic braking valve faces a door hanging plate of the landing door; when the electromagnetic control device is disconnected, an electromagnetic iron core of the electromagnetic braking stop valve extends out and is clamped into the door hanging plate, and the door hanging plate is fixed on the door track; when the electromagnetic control device is electrified, the electromagnet of the electromagnetic braking stop valve is attracted to and separated from the door hanging plate, and the door hanging plate moves along the door track;
the electromagnetic control device also comprises an electromagnetic induction switch and an electromagnetic induction trigger baffle plate, wherein the electromagnetic induction switch is used for controlling the on-off of the electromagnetic brake valve; the electromagnetic induction switch is mounted on a door track of each landing door, an induction end of the electromagnetic induction switch faces into an elevator shaft, and the electromagnetic induction trigger baffle is mounted at the top of the car and faces out of the elevator shaft;
the maintenance device is provided with a change-over switch, the change-over switch is arranged in the machine room, and when the change-over switch is closed, the electromagnetic braking valve is electrified.
Preferably, one end of the electromagnetic induction switch of each landing door is electrically connected with one end of the electromagnetic braking stop valve of the landing door, and the other end of the electromagnetic induction switch of each landing door is connected in parallel and electrically connected with a control cabinet power supply DC;
one end of the electromagnetic braking stop valve of each layer door is connected in parallel and electrically connected with one end of a change-over switch of the maintenance device, and the other end of the change-over switch is electrically connected with the control cabinet power supply DC.
Preferably, the maintenance device further comprises a fire switch, the fire switch is arranged at an elevator base station, and the fire switch is connected with the change-over switch in parallel.
Preferably, the surface of the door hanging plate of the landing door is provided with a groove, and when the electromagnetic braking stop valve is disconnected, an electromagnetic iron core of the electromagnetic braking stop valve is clamped in the groove of the door hanging plate of the landing door.
Preferably, the recess of door link plate is located the upper surface of door link plate, the electromagnetism braking valve of electromagnetic control device is located the top of the recess of door link plate and the electromagnetism iron core of electromagnetism braking valve is towards the recess of door link plate.
Preferably, the door hanging plate is provided with a pulley which is paired with the door track, and the door hanging plate is movably clamped on the door track through the pulley.
Preferably, the door link plate of layer door is equipped with the card key bulge, the inboard activity of the entry upper end in every layer station of elevator well is equipped with the hook lock, works as when the car is not at this layer station, the hook lock in the card key bulge of door link plate restricts the layer door is opened, works as when the car arrives this layer station, the latch hook leaves the card key bulge of door link plate, the layer door is opened.
Preferably, the hook lock is provided with a hook body, and the hook body of the hook lock is matched with the clamping key protruding part of the door hanging plate and clamped in the clamping key protruding part.
Preferably, the hook lock is movably fixed on the inner side of the upper end of the entrance of each landing of the elevator shaft through a door wheel, and the hook lock rotates around the axle center of the door wheel;
the door frame of the landing door is provided with an unlocking part, the unlocking part is connected with the hook lock through a connecting rod, the unlocking part is rotated, the unlocking part pushes the connecting rod to move, and the connecting rod drives the hook lock to leave from a clamping key protruding part of the door hanging plate.
Preferably, the elevator system capable of prohibiting non-professionals from opening the elevator landing door further comprises a backup power supply and a phase sequence detection device XWJ, wherein the phase sequence detection device XWJ comprises a phase sequence relay XWJ01 and a phase sequence relay XWJ02, a control end of the phase sequence detection device XWJ controls the on and off of the phase sequence relay XWJ01 and the phase sequence relay XWJ02 by using the condition of commercial power, one end of the phase sequence relay XWJ01 is connected with the commercial power, the other end of the phase sequence relay XWJ01 is electrically connected with the control cabinet power supply DC, one end of the phase sequence relay XWJ02 is connected with the backup power supply, and the other end of the phase sequence relay XWJ02 is electrically connected with the control cabinet power supply DC;
when the commercial power is normal, the phase sequence relay XWJ01 is switched on, and the phase sequence relay XWJ02 is switched off; when the commercial power can not supply power, the phase sequence relay XWJ01 is switched off, and the phase sequence relay XWJ02 is switched on.
The invention has the beneficial effects that: the elevator system capable of prohibiting non-professionals from opening the elevator landing door utilizes the electromagnetic control device to realize that the non-professionals can be prohibited from opening the landing door when the elevator car is not at a landing, and professionals can open the landing door at any time during maintenance, and can meet the requirements of the professionals on opening the landing door at any time during elevator maintenance, transformation and updating while the safety of the non-professionals is ensured.
Owing to install in the orbital door of layer door electromagnetic control device's electromagnetic induction switch is worked as in the elevator well when the car stops in the layer station, install in the car top electromagnetic control device's electromagnetic induction triggers the baffle outside the elevator well, electromagnetic induction triggers the baffle and gets into this layer electromagnetic induction switch's detection area, this layer station electromagnetic induction switch starts immediately, thereby makes this layer electromagnetic braking stop valve circular telegram, the electromagnetic core actuation of electromagnetic braking stop valve, thereby leave the door link plate of layer door, the door link plate loses behind the restriction of electromagnetic braking stop valve's electromagnetic core, the door link plate is along being located the inboard door track motion of the entry upper end in the corresponding layer station of elevator well, thereby drive the door frame motion of layer door, layer door is opened.
Work as the car is not when this landing, electromagnetic induction triggers the baffle and keeps away from electromagnetic induction switch's detection area, electromagnetic induction switch disconnection, thereby make the disconnection of electromagnetism system stop valve can not be electrified, the electromagnetism system stops the electromagnetic core of valve and stretches out and block into the door link plate, the door link plate quilt the electromagnetism system stops the electromagnetic core restriction of valve, the door link plate is fixed in and is located the inboard door track of the entry upper end that corresponds the landing of elevator well, the door frame of layer door passes through the door link plate is fixed in the door track, non professional can't open this layer this moment the layer door.
When the elevator is overhauled and the change-over switch of the maintenance device is changed from off to on state, all the electromagnetic braking valves of the electromagnetic control device are electrified, the electromagnetic iron cores of the electromagnetic braking valves are attracted, and a professional can open the landing door on any floor. Because the change-over switch of the maintenance device is arranged in the machine room and is far away from the elevator system which can prohibit non-professionals from opening the elevator landing door, the error touch of the non-professionals is avoided, and the maintenance device can also be controlled in the machine room by the elevator system which can prohibit the non-professionals from opening the elevator landing door, thereby saving the maintenance time.
Drawings
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is an enlarged view of the dotted circle A in the embodiment of FIG. 1;
FIG. 3 is an enlarged view of the portion encircled by the dotted circle B in the embodiment shown in FIG. 1;
FIG. 4 is a left side view of one embodiment of the present invention;
FIG. 5 is an enlarged view of the portion of the embodiment of FIG. 4 encircled by dotted circle C;
FIG. 6 is a wiring diagram of the electromagnetic control device and the maintenance device in one embodiment of the present invention;
wherein: 1, a lift car; a 2-layer door; 3 an electromagnetic control device; 4, maintaining the device; 21 a door track; 22 door hanging plates; 23 a door frame; 31 an electromagnetic braking stop valve; 32 electromagnetic induction switches; 33 electromagnetic induction trigger baffle; 41 a change-over switch; 42 a fire switch; 51 hooking and locking; 52 unlocking the lock; 53 connecting rods; 221 grooves; 222 a latch tab; 511 a hook body; a door wheel 512.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-6, an elevator system for prohibiting a non-professional person from opening a landing door of an elevator includes a car 1, a landing door 2, an electromagnetic control device 3, and a maintenance device 4;
the car 1 is lifted in an elevator shaft, and the landing door 2 is arranged at the entrance of each landing of the elevator shaft; the landing door 2 comprises a door track 21, a door hanging plate 22 and a door frame 23;
the door rail 21 is fixedly arranged on the inner side of the upper end of an entrance of each landing of the elevator hoistway, a door hanging plate 22 is fixedly arranged at the top end of the door frame 23, and the door frame 23 is movably clamped on the door rail 21 through the door hanging plate 22;
the electromagnetic braking valve 31 of the electromagnetic control device 3 is mounted on the door track 21, and the electromagnetic core of the electromagnetic braking valve 31 faces the door hanging plate 22 of the landing door 2; when the electromagnetic control device 3 is switched off, the electromagnetic iron core of the electromagnetic braking stop valve 31 extends out and is clamped into the door hanging plate 22, and the door hanging plate 22 is fixed on the door track 21; when the electromagnetic control device 3 is powered on, the electromagnet of the electromagnetic braking stop valve 31 wicks and leaves the door hanging plate 22, and the door hanging plate 22 moves along the door track 21;
the electromagnetic control device 3 further comprises an electromagnetic induction switch 32 and an electromagnetic induction trigger baffle 33, wherein the electromagnetic induction switch is used for controlling the on-off of the electromagnetic braking stop valve 31; the electromagnetic induction switch 32 is installed on the door rail 21 of each landing door 2, the induction end of the electromagnetic induction switch 32 faces the inside of an elevator shaft, and the electromagnetic induction trigger baffle 33 is installed on the top of the car 1 and faces the outside of the elevator shaft;
the maintenance device 4 is provided with a change-over switch 41, the change-over switch 41 is arranged in the machine room, and when the change-over switch 41 is closed, the electromagnetic braking stop valve 31 is electrified.
The elevator system capable of prohibiting non-professionals from opening the elevator landing door utilizes the electromagnetic control device 3 to realize that the non-professionals can be prohibited from opening the landing door 2 when the elevator car 1 is not at a landing, and professionals can open the landing door 2 at any time during maintenance, so that the safety of the non-professionals is ensured, and meanwhile, the requirements of the professionals on opening the landing door 2 at any time during elevator maintenance, transformation and updating can be met.
Because install in the door track 21 of layer door 2 electromagnetic control device 3's electromagnetic induction switch 32 is towards the elevator well, when car 1 stops in the landing, install in the car 1 top electromagnetic induction of electromagnetic control device 3 triggers baffle 33 and outwards faces the elevator well, electromagnetic induction triggers baffle 33 and gets into this layer the detection zone of electromagnetic induction switch 32, this landing electromagnetic induction switch 32 starts immediately, thereby makes this layer electromagnetism system stop valve 31 circular telegram, the electromagnetic core actuation of electromagnetism system stop valve 31, thereby leave the door link plate 22 of layer door 2, door link plate 22 loses the restriction back of the electromagnetic core of electromagnetism system stop valve 31, door link plate 22 moves along the door track 21 that is located the inboard of the entry upper end of the corresponding landing of elevator well, thereby drives the door frame 23 motion of layer door 2, the landing door 2 is opened.
Work as car 1 is not when this layer of landing, electromagnetic induction triggers baffle 33 and keeps away from electromagnetic induction switch 32's detection area, electromagnetic induction switch 32 disconnection, thereby makes electromagnetism system stops the disconnection of valve 31 and must not be electric, electromagnetism system stops the electromagnetic core of valve 31 and stretches out and block into door link plate 22, door link plate 22 quilt electromagnetism system stops the electromagnetic core restriction of valve 31, door link plate 22 is fixed in and is located the inboard door track 21 of the entry upper end in the corresponding layer of elevator well, the door frame 23 of layer door 2 passes through door link plate 22 is fixed in door track 21, non professional can't open this layer this moment layer door 2.
When the elevator is overhauled, when the change-over switch 41 of the maintenance device 4 is changed from the off state to the on state, all the electromagnetic braking stop valves 31 of the electromagnetic control device 3 are electrified, the electromagnetic iron cores of the electromagnetic braking stop valves 31 are attracted, and a professional can open the landing door 2 on any floor. Because the change-over switch 41 of the maintenance device 4 is arranged in the machine room and is far away from the elevator system which can forbid non-professionals from opening the elevator landing door, the error touch of the non-professionals is avoided, the elevator system which can forbid the non-professionals from opening the elevator landing door can be controlled in the machine room, and the maintenance time is saved.
Preferably, one end of the electromagnetic induction switch 32 of each landing door 2 is electrically connected with one end of the electromagnetic braking stop valve 31 of the landing door 2, and the other end of the electromagnetic induction switch 32 of each landing door 2 is connected in parallel and electrically connected with the control cabinet power supply DC;
one end of the electromagnetic brake stop valve 31 of each landing door 2 is connected in parallel and electrically connected to one end of a changeover switch 41 of the maintenance device 4, and the other end of the changeover switch 41 is electrically connected to the control cabinet power supply DC.
The electromagnetic induction switch 32 of each landing door 2 independently controls the electromagnetic braking stop valve 31 of the landing door, so that the opening of the landing door 2 is not disordered; the change-over switch 41 of the maintenance device 4 controls the electromagnetic stop valves 31 of all floors, and a professional can control all the landing doors 2 through one key of the change-over switch 41 of the maintenance device 4, so that the maintenance is facilitated.
Preferably, the maintenance device 4 further includes a fire switch 42, the fire switch 42 is provided at an elevator base station, and the fire switch 42 is connected in parallel with the change-over switch 41.
Closing the fire switch 42 energizes the electromagnetic brake valves 31 of all floors, thereby allowing all the landing doors 2 to open. The fire switch 42 is arranged at an elevator base station, and when a dangerous case happens, a rescue worker closes the fire switch 42 at the first time when entering a floor, so that the landing doors 2 of all the landing stations can be operated.
Preferably, a groove 221 is formed in the surface of the door hanging plate 22 of the landing door 2, and when the electromagnetic braking stop valve 31 is turned off, the electromagnetic core of the electromagnetic braking stop valve 31 is clamped in the groove 221 of the door hanging plate 22 of the landing door 2.
When the electromagnetic control device 3 is switched off, the electromagnetic core of the electromagnetic stop valve 31 of the electromagnetic control device 3 extends out and is clamped in the groove 221 of the door hanging plate 22, and the landing door 2 is forbidden to be opened; when the electromagnetic control device 3 is powered on, the electromagnet of the electromagnetic braking stop valve 31 wicks and leaves the groove 221 of the door hanging plate 22, and the landing door 2 is allowed to be opened. The electromagnetic core of the electromagnetic control device 31 is clamped in the groove 221 of the door hanging plate 22 to fix the door hanging plate 22, so that the door hanging plate is more stable.
Preferably, the recess 221 of the door hanging plate 22 is formed in the upper surface of the door hanging plate 22, the electromagnetic stop valve 31 of the electromagnetic control device 3 is located above the recess 221 of the door hanging plate 22, and the electromagnetic core of the electromagnetic stop valve 31 faces the recess 221 of the door hanging plate 22.
When the electromagnetic braking stop valve 31 of the electromagnetic control device 3 is powered off, the electromagnetic iron core of the electromagnetic braking stop valve 31 extends from top to bottom and is clamped in the groove 221 of the door hanging plate 22 below the electromagnetic braking stop valve 31, so that the landing door 2 cannot be opened. The electromagnetic brake stop valve 31 and the groove 221 of the door hanging plate 22 are arranged up and down, so that the space can be saved.
Preferably, the door hanging plate 22 is provided with a pulley paired with the door rail 21, and the door hanging plate 22 is movably clamped on the door rail 21 through the pulley.
The pulley is matched with the door rail 21 to drive the landing door 2 to be opened or closed, so that the door clamping problem is not easy to occur.
Preferably, the door link plate 22 of landing door 2 is equipped with the latch bulge 222, the inboard activity of the entry upper end in every layer station of elevator well is equipped with hook lock 51, works as when the car 1 is not at this layer station, hook lock 51 block in the latch bulge 222 of door link plate 22 restricts landing door 2 opens, works as when the car arrives at this layer station, latch hook 51 leaves the latch bulge 222 of door link plate 22, landing door 2 opens.
By means of the cooperation of the hook lock 51 and the latch protrusion 222 of the door hanging plate 22, the safety of a user can be guaranteed more conveniently during the operation of the elevator.
Preferably, the hook latch 51 is provided with a hook body 511, and the hook body 511 of the hook latch 51 is matched with the latch protrusion 222 of the door hanging plate 22 and is latched to the latch protrusion 222.
The hook body 511 of the hook lock 51 is clamped on the clamping key protrusion 222 of the door hanging plate 22, so that the door is more stable, the opening of the landing door 2 is more favorably limited, and the safety of a user is guaranteed.
Preferably, the hook lock 51 is movably fixed on the inner side of the upper end of the entrance of each landing of the elevator shaft through a door wheel 512, and the hook lock 51 rotates around the axle center of the door wheel 512;
the door frame 23 of the landing door 2 is provided with an unlocking portion 52, the unlocking portion 52 is connected with the hook lock 51 through a connecting rod 53, the unlocking portion 52 is rotated, the unlocking portion 52 pushes the connecting rod 53 to move, and the connecting rod 53 drives the hook lock 51 to leave the clamping key protruding portion 222 of the door hanging plate 22.
The hook latch 51 rotates around the axis of the door wheel 512, so that the hook 511 of the hook latch 51 is separated from the key protrusion 222 of the door hanging plate 22, and the landing door 2 is opened.
When an accident occurs or maintenance is required, a professional opens the landing door 2 through the unlocking part 52.
The unlocking part 52 is provided with a triangular key lock into which a triangular key is inserted, and after the triangular key is inserted into the triangular key lock and unlocked, the unlocking part 52 can rotate around the axis of the unlocking part.
In order to prevent the unlocking part 52 from being rotated by non-professional personnel, a triangular key lock is arranged and only a professional person holds the triangular key, so that the non-professional personnel cannot open the landing door 2 randomly when the elevator is used.
Preferably, the elevator system capable of prohibiting non-professionals from opening the elevator landing door further comprises a backup power supply and a phase sequence detection device XWJ, wherein the phase sequence detection device XWJ comprises a phase sequence relay XWJ01 and a phase sequence relay XWJ02, a control end of the phase sequence detection device XWJ controls the on and off of the phase sequence relay XWJ01 and the phase sequence relay XWJ02 by using the condition of commercial power, one end of the phase sequence relay XWJ01 is connected with the commercial power, the other end of the phase sequence relay XWJ01 is electrically connected with the control cabinet power supply DC, one end of the phase sequence relay XWJ02 is connected with the backup power supply, and the other end of the phase sequence relay XWJ02 is electrically connected with the control cabinet power supply DC;
when the commercial power is normal, the phase sequence relay XWJ01 is switched on, and the phase sequence relay XWJ02 is switched off; when the commercial power can not supply power, the phase sequence relay XWJ01 is switched off, and the phase sequence relay XWJ02 is switched on.
When the commercial power can not be supplied with power, the phase sequence relay XWJ02 is switched on, and the elevator system fault trapping person who can forbid non-professional to open the elevator landing door is found, and the professional starts the backup power supply, electromagnetic control device 3 with maintenance device 4 normal use, the professional can open any floor through operating maintenance device 4 landing door 2.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An elevator system for prohibiting a non-professional from opening a landing door of an elevator, comprising a car, a landing door, an electromagnetic control device and a maintenance device, characterized in that:
the elevator car is lifted in an elevator shaft, and the landing door is arranged at the entrance of each landing of the elevator shaft; the landing door comprises a door track, a door hanging plate and a door frame;
the door rail is fixedly arranged on the inner side of the upper end of an inlet of each landing of the elevator shaft, a door hanging plate is fixedly arranged at the top end of the door frame, and the door frame is movably clamped on the door rail through the door hanging plate;
an electromagnetic braking valve of the electromagnetic control device is mounted on a door track, and an electromagnetic iron core of the electromagnetic braking valve faces a door hanging plate of the landing door; when the electromagnetic control device is disconnected, an electromagnetic iron core of the electromagnetic braking stop valve extends out and is clamped into the door hanging plate, and the door hanging plate is fixed on the door track; when the electromagnetic control device is electrified, the electromagnet of the electromagnetic braking stop valve is attracted to and separated from the door hanging plate, and the door hanging plate moves along the door track;
the electromagnetic control device also comprises an electromagnetic induction switch and an electromagnetic induction trigger baffle plate, wherein the electromagnetic induction switch is used for controlling the on-off of the electromagnetic brake valve; the electromagnetic induction switch is mounted on a door track of each landing door, an induction end of the electromagnetic induction switch faces into an elevator shaft, and the electromagnetic induction trigger baffle is mounted at the top of the car and faces out of the elevator shaft;
the maintenance device is provided with a change-over switch, the change-over switch is arranged in the machine room, and when the change-over switch is closed, the electromagnetic braking valve is electrified.
2. The elevator system of claim 1 wherein non-professionals are prohibited from opening the landing door, wherein:
one end of the electromagnetic induction switch of each layer door is electrically connected with one end of the electromagnetic braking stop valve of the layer door, and the other end of the electromagnetic induction switch of each layer door is connected in parallel and electrically connected with a control cabinet power supply DC;
one end of the electromagnetic braking stop valve of each layer door is connected in parallel and electrically connected with one end of a change-over switch of the maintenance device, and the other end of the change-over switch is electrically connected with the control cabinet power supply DC.
3. The elevator system of claim 2 wherein non-professionals are prohibited from opening the landing door, wherein:
the maintenance device further comprises a fire switch, the fire switch is arranged at the elevator base station, and the fire switch is connected with the change-over switch in parallel.
4. An elevator system for inhibiting non-professional opening of a landing door of an elevator according to claim 3, wherein:
the surface of the door hanging plate of the landing door is provided with a groove, and when the electromagnetic braking stop valve is disconnected, an electromagnetic iron core of the electromagnetic braking stop valve is clamped in the groove of the door hanging plate of the landing door.
5. The elevator system of claim 4 wherein non-professionals are prohibited from opening the landing door, wherein:
the recess of door link plate is located the upper surface of door link plate, electromagnetic control of electromagnetic control device stops the valve and is located the top of the recess of door link plate and the electromagnetic core that the electromagnetic control stopped the valve faces the recess of door link plate.
6. The elevator system of claim 5 wherein non-professionals are prohibited from opening the landing door, wherein:
the door hanging plate is provided with a pulley which is paired with the door track, and the door hanging plate is movably clamped on the door track through the pulley.
7. The elevator system of claim 6 wherein non-professionals are prohibited from opening the landing door, wherein:
the door link plate of layer door is equipped with the card key bulge, the inboard activity of the entry upper end in every layer station of elevator well is equipped with the hook lock, works as when the car is not at this layer station, the hook lock card in the card key bulge of door link plate restricts the layer door is opened, works as when the car reachs this layer station, the latch hook leaves the card key bulge of door link plate, the layer door is opened.
8. The elevator system of claim 7 wherein non-professionals are prohibited from opening the landing door, wherein: the hook lock is provided with a hook body, and the hook body of the hook lock is matched with the clamping key protruding part of the door hanging plate and clamped in the clamping key protruding part.
9. The elevator system of claim 8 wherein non-professionals are prohibited from opening the landing door, wherein: the hook lock is movably fixed on the inner side of the upper end of the entrance of each landing of the elevator shaft through a door wheel, and the hook lock rotates around the axis of the door wheel;
the door frame of the landing door is provided with an unlocking part, the unlocking part is connected with the hook lock through a connecting rod, the unlocking part is rotated, the unlocking part pushes the connecting rod to move, and the connecting rod drives the hook lock to leave from a clamping key protruding part of the door hanging plate.
10. The elevator system of claim 9 wherein non-professionals are prohibited from opening the landing door, wherein:
the phase sequence detection device XWJ comprises a phase sequence relay XWJ01 and a phase sequence relay XWJ02, wherein the control end of the phase sequence detection device XWJ controls the on-off of the phase sequence relay XWJ01 and the phase sequence relay XWJ02 by using the condition of commercial power, one end of the phase sequence relay XWJ01 is connected with the commercial power, the other end of the phase sequence relay XWJ01 is electrically connected with a control cabinet power supply DC, one end of the phase sequence relay XWJ02 is connected with the backup power supply, and the other end of the phase sequence relay XWJ02 is electrically connected with the control cabinet power supply DC;
when the commercial power is normal, the phase sequence relay XWJ01 is switched on, and the phase sequence relay XWJ02 is switched off; when the commercial power can not supply power, the phase sequence relay XWJ01 is switched off, and the phase sequence relay XWJ02 is switched on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441824.8A CN111453590A (en) | 2020-05-22 | 2020-05-22 | Elevator system capable of prohibiting non-professional persons from opening elevator landing door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010441824.8A CN111453590A (en) | 2020-05-22 | 2020-05-22 | Elevator system capable of prohibiting non-professional persons from opening elevator landing door |
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| CN111453590A true CN111453590A (en) | 2020-07-28 |
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| CN202010441824.8A Pending CN111453590A (en) | 2020-05-22 | 2020-05-22 | Elevator system capable of prohibiting non-professional persons from opening elevator landing door |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0952685A (en) * | 1995-08-15 | 1997-02-25 | Mitsubishi Denki Bill Techno Service Kk | Device for releasing lock of door of landing floor |
| WO2005102900A1 (en) * | 2004-04-20 | 2005-11-03 | Mitsubishi Denki Kabushiki Kaisha | Platform door unlocking device of elevator |
| CN204823544U (en) * | 2015-06-15 | 2015-12-02 | 北京安泰鸿源电梯设计有限公司 | Maintainer gets into safety device of elevator well work |
| CN106744214A (en) * | 2017-03-29 | 2017-05-31 | 日立电梯（中国）有限公司 | A kind of layer door with defencive function is opened |
| CN206384671U (en) * | 2016-12-29 | 2017-08-08 | 菱王电梯股份有限公司 | The anti-car accidental movement device overhauled for machine-roomless lift |
| CN109896376A (en) * | 2017-12-08 | 2019-06-18 | 陕西小溪机电科技有限公司 | A kind of elevator device facilitating passenger self-rescue |
| CN212503553U (en) * | 2020-05-22 | 2021-02-09 | 菱王电梯有限公司 | Elevator system capable of prohibiting non-professional persons from opening elevator landing door |
-
2020
- 2020-05-22 CN CN202010441824.8A patent/CN111453590A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0952685A (en) * | 1995-08-15 | 1997-02-25 | Mitsubishi Denki Bill Techno Service Kk | Device for releasing lock of door of landing floor |
| WO2005102900A1 (en) * | 2004-04-20 | 2005-11-03 | Mitsubishi Denki Kabushiki Kaisha | Platform door unlocking device of elevator |
| CN204823544U (en) * | 2015-06-15 | 2015-12-02 | 北京安泰鸿源电梯设计有限公司 | Maintainer gets into safety device of elevator well work |
| CN206384671U (en) * | 2016-12-29 | 2017-08-08 | 菱王电梯股份有限公司 | The anti-car accidental movement device overhauled for machine-roomless lift |
| CN106744214A (en) * | 2017-03-29 | 2017-05-31 | 日立电梯（中国）有限公司 | A kind of layer door with defencive function is opened |
| CN109896376A (en) * | 2017-12-08 | 2019-06-18 | 陕西小溪机电科技有限公司 | A kind of elevator device facilitating passenger self-rescue |
| CN212503553U (en) * | 2020-05-22 | 2021-02-09 | 菱王电梯有限公司 | Elevator system capable of prohibiting non-professional persons from opening elevator landing door |
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