CN111689350A - Intelligent elevator landing door device - Google Patents
Intelligent elevator landing door device Download PDFInfo
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- CN111689350A CN111689350A CN201910180331.0A CN201910180331A CN111689350A CN 111689350 A CN111689350 A CN 111689350A CN 201910180331 A CN201910180331 A CN 201910180331A CN 111689350 A CN111689350 A CN 111689350A
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- Prior art keywords
- door
- layer
- landing door
- forced
- contact
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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
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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
Abstract
The invention discloses an intelligent elevator landing door device, which comprises a door forced opening and closing auxiliary device and a main control cabinet; the door forced opening and closing auxiliary device comprises a controller and a motor; the floor door of each layer is respectively provided with a forced door opening and closing auxiliary device and a floor door contact, and the floor door contacts are connected in series to a floor door safety loop; when the first floor door is not closed in place, the contact of the first floor door corresponding to the first floor door is disconnected, and the safety loop of the first floor door is disconnected; when the first floor door is closed in place, the layer door contact corresponding to the layer door is connected, when each layer door is closed in place, the layer door contact is connected, and the layer door safety loop is connected; when the controller is in a working state, when the car door safety loop is switched on, if the landing door safety loop is switched off, the controllers of all the layers respectively detect whether the landing door contacts of the corresponding layers are switched off; and if the door is disconnected, controlling the corresponding motor to work to drive the landing door to be closed until the landing door contact of the corresponding floor is connected. This intelligence elevator layer door gear can ensure that the layer door reliably closes in place in time.
Description
Technical Field
The invention relates to an elevator technology, in particular to an intelligent elevator landing door device.
Background
When the elevator arrives at a landing, the elevator landing door device is driven by the car door device, and the car door and the landing door are linked and then opened for passengers to come in and go out. After the car leaves the flat position, the landing door should be able to close and lock automatically, prevent that the passenger from opening the landing door easily and falling the well. However, sometimes, the landing door is subjected to unexpected resistance and cannot be closed in time, so that the elevator cannot run normally. Or forgetting to confirm that the landing door is closed in the maintenance period, so as to cause the subsequent accident of falling down the well.
The existing scheme for automatically closing and locking the landing door is to arrange a heavy hammer or a spring and other forced door closing devices on the landing door of the elevator, and when strong wind blows the landing door, the forced door closing devices cannot normally and automatically close the landing door under sudden resistance, so that the landing door is not locked, and the danger of falling down a hoistway is caused.
Another existing scheme for automatically closing and locking the landing door is to use a spring type forced door closing device for the elevator, and because the spring is in mechanical fatigue after long use, the rigidity has a reduced risk, and it is difficult to detect whether the forced door closing capability of the spring type forced door closing device is obviously reduced during maintenance, so that danger is easily caused in the subsequent process.
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent elevator landing door device, which can ensure that a landing door is timely and reliably closed in place, ensure the normal operation of an elevator and avoid the accident of falling of personnel into a hoistway.
In order to solve the technical problem, the invention provides an intelligent elevator landing door device, which comprises an auxiliary device for forcedly opening and closing a door and a main control cabinet;
the landing door safety loop and the car door safety loop are respectively connected with the main control cabinet;
the door forced opening and closing auxiliary device comprises a controller and a motor;
the controller is used for controlling the motor to work so as to open or close the landing door;
the floor door of each layer is respectively provided with a forced door opening and closing auxiliary device and a floor door contact, and the floor door contacts are connected in series to a floor door safety loop;
when the first floor door is not closed in place, the contact of the first floor door corresponding to the first floor door is disconnected, and the safety loop of the first floor door is disconnected;
when the first floor door is closed in place, the layer door contact corresponding to the layer door is connected, when each layer door is closed in place, the layer door contact is connected, and the layer door safety loop is connected;
when the controller of the door forced opening and closing auxiliary device is in a working state:
when the car door safety loop is disconnected, the controllers of the forced door opening and closing auxiliary devices of all layers control the corresponding motors to not work;
when the car door safety loop is connected, if the landing door safety loop is connected, the controllers of the forced door opening and closing auxiliary devices of each floor control the corresponding motors to not work;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the controllers of the forced door opening and closing auxiliary devices of each floor respectively detect whether the landing door contacts of the corresponding floor are switched off; and if the door is disconnected, the controller of the door forced opening and closing auxiliary device of the corresponding floor controls the corresponding motor to start working to drive the floor door to close until the floor door contact of the corresponding floor is connected.
Preferably, the intelligent elevator landing door device further comprises an upper sill frame body, a door guide rail and a door forced closing main device; the landing door comprises a driving side door hanging plate and a driven side door hanging plate; the door guide rail is fixedly arranged on the upper ridge frame body; the driving side door hanging plate and the driven side door hanging plate are respectively provided with a hanging wheel; the driving side door hanging plate and the driven side door hanging plate respectively slide along the door guide rail in a straight line through a change gear; the forced door closing main device is used for automatically driving the landing door to close and lock after the lift car leaves the flat position;
the door forced opening and closing auxiliary device also comprises a first rope return wheel and a second rope return wheel;
the first rope return wheel and the second rope return wheel are respectively arranged at two ends of the upper sill frame body;
the linkage steel wire rope respectively bypasses the first return rope wheel and the second return rope wheel, two ends of the linkage steel wire rope are respectively connected with the driving side and the driven side of the driving side door hanging plate, and the middle part of the linkage steel wire rope is fixedly connected with the driven side door hanging plate through a steel wire rope clamp;
the motor is installed and fixed on the upper sill frame body;
the motor drives the first return rope wheel to rotate through a driving wheel of the motor.
Preferably, the intelligent elevator landing door device further comprises a door full-opening preventing device 15;
the door full-open preventing device 15 is installed on the upper sill body 7 at the far end of the two sides of the door guide rail 8 and used for preventing the hanging wheel from being separated from the door guide rail 8 due to overlarge opening degree of the landing door.
Preferably, the landing door lock switch is used as a landing door lock contact.
Preferably, the forced opening and closing door auxiliary devices 1 of each layer share a controller with multiple outputs.
Preferably, the door guide rail 8 and the upper sill frame body 7 are integrally formed.
Preferably, the motor 3 is fixedly installed on the upper sill frame body 7 through the installation seat and is close to the first rope return wheel 4 side.
Preferably, the motor 3 is installed and fixed inside the upper sill frame body 7.
Preferably, the main control cabinet is in serial communication with the controller 2 of each door forced opening and closing auxiliary device 1.
Preferably, the door closing forcing device 12 is a weight type door closing forcing device;
the main device 12 for forced door closing comprises a guide wheel, a heavy hammer steel wire rope and a heavy hammer;
the guide wheel is fixed on a door hanging plate;
the heavy hammer steel wire rope bypasses the guide wheel, one end of the heavy hammer steel wire rope is connected and fixed to the steel wire rope fixing piece of the other door hanging plate, and the other end of the heavy hammer steel wire rope is connected and fixed to the heavy hammer;
the weight provides constant force for the landing door to close.
Preferably, the main door closing forcing device 12 is a spring-type door closing forcing device;
the door closing forcing main device 12 comprises a spring;
one end of the spring is fixed on the driving side door hanging plate 9, and the other end of the spring is installed and fixed on the upper sill frame body 7.
Preferably, the door forced opening and closing auxiliary device 1 further comprises a transmission wheel 5;
the driving wheel 5 and the first return rope wheel 4 use the same transmission shaft, and power is transmitted through keys.
Preferably, the driving wheel 20 of the motor 3 drives the driving wheel 5 to rotate through a belt drive or a chain drive.
Preferably, the door forced opening and closing auxiliary device 1 further comprises a transmission wheel 5;
the transmission wheel 5 is a gear and is coaxially and fixedly arranged on one side of the first return rope wheel 4;
the driving wheel 20 of the motor 3 is a gear;
the driving wheel 20 of the motor 3 is meshed with the driving wheel 5, and the power of the motor 3 is transmitted to the first return rope wheel 4.
Preferably, the controller 2 can be set to be in three states, namely, an off state, a sleep state or a working state;
when the controller 2 is in the closed state or the dormant state, the controller 2 controls the motor 3 not to work regardless of whether the landing door contact is opened or not.
Preferably, when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet outputs detection control signals to the controllers 2 of the corresponding door forced opening and closing auxiliary devices 1 layer by layer according to the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving a landing door contact switching-on signal sent by the current landing controller 2, the main control cabinet outputs the detection control signals to the controller 2 of the next door forced opening and closing auxiliary device 1;
after the controller 2 of the door forced opening and closing auxiliary device 1 receives the detection control signal, if the voltage of the power supply negative side of the layer of door contact is detected to be 0, the layer of door contact is judged to be disconnected, and a layer of door contact disconnection signal is sent to the main control cabinet; if the voltage on the negative side of the power supply of the layer door contact is detected to be the power supply voltage of the layer door safety loop, judging that the layer door contact is connected, and sending a layer door contact connection signal to the main control cabinet;
if the contact of the landing door is disconnected, the controller 2 of the door forced opening and closing auxiliary device 1 of the corresponding landing door controls the corresponding motor 3 to start working and rotate towards the door closing direction of the landing door until the voltage on the power supply negative side of the contact of the landing door is detected to be the detection power supply voltage.
Preferably, the power supply voltage of the landing door safety loop is DC 48V.
Preferably, the controller 2 of each forced door opening and closing auxiliary device 1 is provided with a detection power supply;
detecting that the power supply voltage is different from the power supply voltage of a landing door safety loop;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet cuts off the landing door safety loop, and outputs detection control signals to the controllers 2 of the corresponding door forced opening and closing auxiliary devices 1 layer by layer according to the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving a landing door contact switching-on signal sent by the current landing controller 2, the main control cabinet outputs the detection control signals to the controller 2 of the next door forced opening and closing auxiliary device 1;
after receiving the detection control signal, the controller 2 of the door forced opening and closing auxiliary device 1 applies a detection power supply voltage to the positive side of the power supply of the corresponding layer of door contact, if the voltage of the negative side of the power supply of the layer of door contact is detected to be 0, the layer of door contact is judged to be disconnected, and a layer of door contact disconnection signal is sent to the main control cabinet; if the voltage of the negative side of the power supply of the layer of door contact is detected to be the voltage of the detection power supply, judging that the layer of door contact is connected, and sending a layer of door contact connection signal to the main control cabinet;
if the contact of the landing door is disconnected, the controller 2 of the door forced opening and closing auxiliary device 1 of the corresponding landing door controls the corresponding motor 3 to start working and rotate towards the door closing direction of the landing door until the voltage of the negative side of the power supply of the contact of the landing door is detected to be the detection power supply voltage;
if the floor door contact is connected, the controller 2 of the forced opening and closing door auxiliary device 1 of the corresponding floor controls the detection power supply to be turned off.
Preferably, after receiving a layer door contact disconnection signal sent by the controller 2 of the door opening and closing assisting device 1, the main control cabinet outputs a detection control signal to the controller 2 of the door opening and closing assisting device 1 again after a set delay time.
Preferably, the power supply voltage of the landing door safety loop is DC48V, and the detection power supply voltage of the controller 2 of the forced opening and closing door auxiliary device 1 is DC 12V.
Preferably, when the car door safety circuit is switched on and the landing door safety circuit is switched off for a set time, the main control cabinet outputs a detection control signal to the controller 2 of each forced door opening and closing auxiliary device 1.
According to the intelligent elevator landing door device, the forced door opening and closing auxiliary device 1 with the controller 2 and the motor 3 is additionally arranged on each landing door, whether the landing door is closed in place or not is judged by detecting the connection or disconnection of the landing door contact of the corresponding landing door through the controller 2, and when the corresponding landing door is not closed in place, the controller 2 of the forced door opening and closing auxiliary device 1 controls the motor 3 to work in time to output door closing torque to close the corresponding landing door, so that the landing door can be closed in place reliably in time, the elevator can be ensured to run normally, and accidents caused by people falling off a hoistway can be avoided.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of an intelligent elevator landing door apparatus of the present invention;
fig. 2 is a schematic structural view of another embodiment of an intelligent elevator landing door apparatus of the present invention;
fig. 3 is a schematic circuit diagram of an embodiment of an intelligent elevator landing door apparatus of the present invention;
fig. 4 is a schematic circuit diagram of another embodiment of an intelligent elevator landing door apparatus of the present invention.
The invention discloses an intelligent elevator landing door device.
Description of the reference numerals
1 forced door opening and closing auxiliary device; 2, a controller; 3, a motor; 4 a first return rope wheel; 5, a driving wheel; 7, mounting the ridge frame body; 8 door guide rails; 9 driving a side door hanging plate; 10, hanging a driven side door; 11 a second return sheave; 12 a main device for forced door closing; 15 door full open preventing device; 16 linkage wire rope; 17 a main control cabinet; 20 motor driving wheels; 21 layers of door contacts.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, 2, 3 and 4, the intelligent elevator landing door device includes a sill body 7, a door guide rail 8, a landing door, and a door closing forcing main device 12; the landing door comprises a driving side door hanging plate 9 and a driven side door hanging plate 10; the door guide rail 8 is fixedly arranged on the upper ridge frame body 7; the driving side door hanging plate 9 and the driven side door hanging plate 10 are respectively provided with a hanging wheel; the driving side door hanging plate 9 and the driven side door hanging plate 10 respectively slide along the door guide rail 8 through the change gear in a straight line; the door closing forcing main device 12 is used for automatically driving the landing door to close and lock after the lift car leaves the flat position;
the elevator landing door device also comprises a forced door opening and closing auxiliary device 1 and a main control cabinet 17;
the landing door safety loop and the car door safety loop are respectively connected with the main control cabinet 17;
the door forced opening and closing auxiliary device 1 comprises a controller 2 and a motor 3;
the motor 3 is fixedly arranged on the upper sill frame body 7;
the controller 2 is used for controlling the motor 3 to work so as to open or close the landing door;
the door forced opening and closing auxiliary device 1 and the door contact 21 are respectively arranged at the door of each layer, and the door contact 21 of each layer is connected in series to the door safety loop;
when the first floor door is not closed in place, the landing door contact 21 corresponding to the first floor door is disconnected, and the landing door safety loop is disconnected;
when the first floor door is closed in place, the layer door contact 21 corresponding to the layer door is switched on, when each layer door is closed in place, each layer door contact 21 is switched on, and the layer door safety loop is switched on;
when the controller 2 of the door forced opening and closing auxiliary device 1 is in the working state:
when the car door safety loop is disconnected, the controllers 2 of the forced door opening and closing auxiliary devices 1 of all layers control the corresponding motors to not work;
when the car door safety loop is connected, if the landing door safety loop is connected, the controllers 2 of the forced door opening and closing auxiliary devices 1 of each floor control the corresponding motors to stop working, and the elevator is allowed to run up and down;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the controller 2 of the forced door opening and closing auxiliary device 1 of each floor respectively detects whether the landing door contact of the corresponding floor is switched off; if the door is disconnected, the controller 2 of the door forcing switch auxiliary device 1 of the corresponding floor controls the corresponding motor 3 to start working to drive the floor door to be closed until the floor door contact of the corresponding floor is connected.
The intelligent elevator landing door device of the first embodiment is characterized in that a forced door opening and closing auxiliary device 1 with a controller 2 and a motor 3 is additionally arranged on each landing door, the controller 2 is used for detecting the connection or disconnection of the landing door contact of the corresponding landing door to judge whether the landing door is closed in place, when the corresponding landing door is not closed in place, the controller 2 of the forced door opening and closing auxiliary device 1 controls the motor 3 to work in time to output door closing torque to close the corresponding landing door, so that the landing door can be ensured to be closed in place in time and reliably, the normal operation of an elevator is ensured, and the accident that personnel fall off a hoistway is avoided.
Example two
Based on the intelligent elevator landing door device of the first embodiment, the door forced opening and closing auxiliary device 1 further comprises a first return rope wheel 4 and a second return rope wheel 11;
the first rope return wheel 4 and the second rope return wheel 11 are respectively arranged at two ends of the upper sill frame body 7;
the linkage steel wire rope 16 respectively bypasses the first return rope wheel 4 and the second return rope wheel 11, two ends of the linkage steel wire rope 16 are respectively connected with the driving side and the driven side of the driving side door hanging plate 9, and the middle part of the linkage steel wire rope 16 is fixedly connected with the driven side door hanging plate through a steel wire rope clamp;
the motor 3 drives the first return rope wheel 4 to rotate through a driving wheel 20 thereof.
Preferably, the intelligent elevator landing door device further comprises a door full-opening preventing device 15;
the door full-open preventing device 15 is installed on the upper sill body 7 at the far end of the two sides of the door guide rail 8 and used for preventing the hanging wheel from being separated from the door guide rail 8 due to overlarge opening degree of the landing door.
Preferably, the landing door lock switch is used as a landing door lock contact.
Preferably, the forced opening and closing door auxiliary devices 1 of each layer share a controller with multiple outputs.
Preferably, the door guide rail 8 and the upper sill frame body 7 are integrally formed.
Preferably, the motor 3 is fixedly installed on the upper sill frame body 7 through the installation seat and is close to the first rope return wheel 4 side.
Preferably, the motor 3 is installed and fixed inside the upper sill frame body 7, the upper surface of the upper sill frame can shield water falling, and the waterproof capability is improved.
Preferably, the main control cabinet is in serial communication with the controller 2 of each door forced opening and closing auxiliary device 1.
EXAMPLE III
Based on the intelligent elevator landing door device of the first embodiment, the door closing forcing main device 12 is a weight type door closing forcing device;
the main device 12 for forced door closing comprises a guide wheel, a heavy hammer steel wire rope and a heavy hammer;
the guide wheel is fixed on a door hanging plate;
the heavy hammer steel wire rope bypasses the guide wheel, one end of the heavy hammer steel wire rope is connected and fixed to the steel wire rope fixing piece of the other door hanging plate, and the other end of the heavy hammer steel wire rope is connected and fixed to the heavy hammer;
the weight provides constant force for the landing door to close.
Example four
Based on the intelligent elevator landing door device of the first embodiment, the door closing forcing main device 12 is a spring type door closing forcing device;
the door closing forcing main device 12 comprises a spring;
one end of the spring is fixed on the driving side door hanging plate 9, and the other end of the spring is installed and fixed on the upper sill frame body 7.
EXAMPLE five
Based on the intelligent elevator landing door device of the first embodiment, the auxiliary device 1 for forcibly opening and closing the door further comprises a driving wheel 5;
the transmission wheel 5 and the first return rope wheel 4 use the same transmission shaft to transmit power through keys, as shown in fig. 1.
Preferably, the driving wheel 20 of the motor drives the driving wheel 5 to rotate through a belt drive or a chain drive.
EXAMPLE six
Based on the intelligent elevator landing door device of the first embodiment, the forced door opening and closing auxiliary device 1 further comprises a transmission wheel 5;
as shown in fig. 2, the transmission wheel 5 is a gear and is coaxially and fixedly arranged on one side of the first return rope wheel 4;
the driving wheel 20 of the motor 3 is a gear;
the driving wheel 20 of the motor 3 is meshed with the driving wheel 5, and the power of the motor 3 is transmitted to the first return rope wheel 4.
In the elevator landing door device according to the sixth embodiment, the transmission wheel 5 of the door opening and closing assisting device 1 is not coaxial with the first return sheave 4, the driving wheel 20 of the motor 3 of the door opening and closing assisting device 1 is a gear, the driving wheel 20 of the motor 3 transmits force to the first return sheave 4 in a gear meshing transmission mode, and the transmission efficiency of the gear transmission is high.
EXAMPLE seven
Based on the intelligent elevator landing door device of the first embodiment, the controller 2 can be set to be in three states, namely, a closed state, a dormant state and a working state.
When the controller is in a closed state or a dormant state, no matter whether the contact of the landing door is disconnected or not, the controller 2 controls the corresponding motor 3 not to work, and the door opening and closing auxiliary device 1 is forced not to interfere with the opening and closing of the landing door.
When the controller is in a closed state, the controller is in a power-off state;
when the controller is in a dormant state, the controller is powered on, but does not respond to the on-off state of the landing door safety loop. The dormant state is mainly used for purposely opening landing doors and maintaining components in a hoistway or on a car during maintenance.
Example eight
Based on the intelligent elevator landing door device of the first embodiment, as shown in fig. 3, when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet 17 outputs detection control signals to the controller 2 of the corresponding door forced opening and closing auxiliary device 1 layer by layer in the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving the landing door contact switching-on signal sent by the current-layer controller 2, the main control cabinet 17 outputs the detection control signals to the controller 2 of the next door forced opening and closing auxiliary device 1;
after the controller 2 of the door forced opening and closing auxiliary device 1 receives the detection control signal, if the voltage of the power supply negative side of the layer of door contact is detected to be 0, the layer of door contact is judged to be disconnected, and a layer of door contact disconnection signal is sent to the main control cabinet; if the voltage on the negative side of the power supply of the layer door contact is detected to be the power supply voltage of the layer door safety loop, judging that the layer door contact is connected, and sending a layer door contact connection signal to the main control cabinet;
if the contact of the landing door is disconnected, the controller 2 of the door forced opening and closing auxiliary device 1 of the corresponding landing door controls the corresponding motor 3 to start working and rotate towards the door closing direction of the landing door until the voltage on the power supply negative side of the contact of the landing door is detected to be the detection power supply voltage.
Preferably, the power supply voltage of the landing door safety loop is DC 48V.
The intelligent elevator landing door device of the eighth embodiment enables the controller 2 of the forced door opening and closing auxiliary device 1 to directly detect the on-off state of the corresponding landing door contact.
Example nine
Based on the intelligent elevator landing door device of the first embodiment, as shown in fig. 4, the controller 2 of each forced door opening and closing auxiliary device 1 is provided with a detection power supply;
detecting that the power supply voltage is different from the power supply voltage of a landing door safety loop;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet cuts off the landing door safety loop, and outputs detection control signals to the controllers 2 of the corresponding door forced opening and closing auxiliary devices 1 layer by layer according to the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving a landing door contact switching-on signal sent by the current landing controller 2, the main control cabinet outputs the detection control signals to the controller 2 of the next door forced opening and closing auxiliary device 1;
after receiving the detection control signal, the controller 2 of the door forced opening and closing auxiliary device 1 applies a detection power supply voltage to the positive side of the power supply of the corresponding layer of door contact, if the voltage of the negative side of the power supply of the layer of door contact is detected to be 0, the layer of door contact is judged to be disconnected, and a layer of door contact disconnection signal is sent to the main control cabinet; if the voltage of the negative side of the power supply of the layer of door contact is detected to be the voltage of the detection power supply, judging that the layer of door contact is connected, and sending a layer of door contact connection signal to the main control cabinet;
if the contact of the landing door is disconnected, the controller 2 of the door forced opening and closing auxiliary device 1 of the corresponding landing door controls the corresponding motor 3 to start working and rotate towards the door closing direction of the landing door until the voltage of the power supply negative side of the contact of the landing door is detected to be the detection power supply voltage (the contact of the landing door of the corresponding landing door is connected);
if the floor door contact is connected, the controller 2 of the forced opening and closing door auxiliary device 1 of the corresponding floor controls the detection power supply to be turned off.
Preferably, after the main control cabinet receives a floor door contact opening signal sent by the controller 2 of the door forced opening and closing assisting device 1 and a set delay time (for example, 1 second), the main control cabinet outputs a detection control signal to the controller 2 of the door forced opening and closing assisting device 1 again, and outputs a detection control signal to the controller 2 of the door forced opening and closing assisting device 1 again.
Preferably, the power supply voltage of the landing door safety loop is DC48V, and the detection power supply voltage of the controller 2 of the forced opening and closing door auxiliary device 1 is DC 12V.
In the intelligent elevator landing door device of the ninth embodiment, the controller 2 of the door forced opening and closing auxiliary device 1 is provided with an independent detection power supply for independently detecting landing door contacts.
Example ten
Based on the intelligent elevator landing door device of the eighth or ninth embodiment, when the car door safety circuit is switched on and the landing door safety circuit is switched off for a set time (e.g., 3 seconds), the main control cabinet outputs a detection control signal to the controller 2 of each forced door opening and closing auxiliary device 1.
Preferably, the controller 2 of each forced door opening and closing auxiliary device 1 also sends the floor number information of the corresponding floor to the main control cabinet.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (21)
1. An intelligent elevator landing door device is characterized by comprising an auxiliary device (1) for forcedly opening and closing a door and a main control cabinet (17);
the landing door safety loop and the car door safety loop are respectively connected with the main control cabinet;
the forced door opening and closing auxiliary device (1) comprises a controller (2) and a motor (3);
the controller (2) is used for controlling the motor (3) to work so as to open or close the landing door;
the floor door of each layer is respectively provided with a forced door opening and closing auxiliary device (1) and a floor door contact, and the floor door contacts are connected in series to a floor door safety loop;
when the first floor door is not closed in place, the floor door contact (21) corresponding to the first floor door is disconnected, and the safety loop of the first floor door is disconnected;
when the first floor door is closed in place, the layer door contact (21) corresponding to the layer door is connected, when each layer door is closed in place, each layer door contact (21) is connected, and the layer door safety loop is connected;
when the controller (2) of the door forced opening and closing auxiliary device (1) is in a working state:
when the car door safety loop is disconnected, the controllers (2) of the forced door opening and closing auxiliary devices (1) of each layer control the corresponding motors to not work;
when the car door safety loop is connected, if the landing door safety loop is connected, the controllers (2) of the forced door opening and closing auxiliary devices (1) of each floor control the corresponding motors to not work;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the controller (2) of the forced door opening and closing auxiliary device (1) of each floor respectively detects whether the landing door contact of the corresponding floor is switched off; if the door is disconnected, the controller (2) of the door forced opening and closing auxiliary device (1) of the corresponding floor controls the corresponding motor (3) to start working to drive the floor door to close until the floor door contact (21) of the corresponding floor is connected.
2. Intelligent elevator landing door arrangement according to claim 1,
the intelligent elevator landing door device also comprises an upper sill frame body (7), a door guide rail (8) and a main door forced closing device (12); the landing door comprises a driving side door hanging plate (9) and a driven side door hanging plate (10); the door guide rail (8) is fixedly arranged on the upper sill frame body (7); hanging wheels are respectively arranged on the driving side door hanging plate (9) and the driven side door hanging plate (10); the driving side door hanging plate (9) and the driven side door hanging plate (10) respectively slide along the door guide rail (8) through the change gear in a straight line; the door closing forcing main device (12) is used for automatically driving the landing door to close and lock after the elevator car leaves the flat position;
the door forced opening and closing auxiliary device (1) also comprises a first rope return wheel (4) and a second rope return wheel (11);
the first rope return wheel (4) and the second rope return wheel (11) are respectively arranged at two ends of the upper sill frame body (7);
the linkage steel wire rope (16) respectively bypasses the first return rope wheel (4) and the second return rope wheel (11), two ends of the linkage steel wire rope (16) are respectively connected with the driving side and the driven side of the driving side door hanging plate (9), and the middle part of the linkage steel wire rope (16) is fixedly connected with the driven side door hanging plate through a steel wire rope clamp;
the motor (3) is installed and fixed on the upper sill frame body (7);
the motor (3) drives the first return rope wheel (4) to rotate through a driving wheel (20) of the motor.
3. Intelligent elevator landing door arrangement according to claim 2,
the intelligent elevator landing door device also comprises a door full-opening preventing device (15);
the door full-open stopping device (15) is arranged on the upper sill frame body (7) at the far ends of the two sides of the door guide rail (8) and used for preventing the hanging wheel from being separated from the door guide rail (8) due to overlarge opening degree of the landing door.
4. Intelligent elevator landing door arrangement according to claim 1,
the landing door lock switch is used as a landing door lock contact.
5. Intelligent elevator landing door arrangement according to claim 1,
the forced door opening and closing auxiliary devices (1) of each layer share a controller with multiple outputs.
6. Intelligent elevator landing door arrangement according to claim 2,
the door guide rail (8) and the upper sill frame body (7) are integrally formed.
7. Intelligent elevator landing door arrangement according to claim 2,
the motor (3) is fixedly arranged on the upper sill frame body (7) close to the side of the first return rope wheel (4) through a mounting seat.
8. Intelligent elevator landing door arrangement according to claim 2,
the motor (3) is installed and fixed inside the upper sill frame body (7).
9. Intelligent elevator landing door arrangement according to claim 1,
the main control cabinet is in serial communication with the controllers (2) of the forced door opening and closing auxiliary devices (1).
10. Intelligent elevator landing door arrangement according to claim 2,
the main door closing forcing device (12) is a weight type door closing forcing device;
the forced door closing main device (12) comprises a guide wheel, a heavy hammer steel wire rope and a heavy hammer;
the guide wheel is fixed on a door hanging plate;
the heavy hammer steel wire rope bypasses the guide wheel, one end of the heavy hammer steel wire rope is connected and fixed to the steel wire rope fixing piece of the other door hanging plate, and the other end of the heavy hammer steel wire rope is connected and fixed to the heavy hammer;
the weight provides constant force for the landing door to close.
11. Intelligent elevator landing door arrangement according to claim 2,
the main door closing forcing device (12) is a spring type door closing forcing device;
the door closing forcing main device (12) comprises a spring;
one end of the spring is fixed on the driving side door hanging plate (9), and the other end of the spring is installed and fixed on the upper sill frame body (7).
12. Intelligent elevator landing door arrangement according to claim 2,
the door forced opening and closing auxiliary device (1) also comprises a transmission wheel (5);
the transmission wheel (5) and the first return rope wheel (4) use the same transmission shaft, and power is transmitted through keys.
13. Intelligent elevator landing door apparatus according to claim 11,
and a driving wheel (20) of the motor (3) drives the driving wheel (5) to rotate through belt transmission or chain transmission.
14. Intelligent elevator landing door arrangement according to claim 2,
the door forced opening and closing auxiliary device (1) further comprises a transmission wheel (5);
the transmission wheel (5) is a gear and is coaxially and fixedly arranged on one side of the first return rope wheel (4);
the driving wheel (20) of the motor (3) is a gear;
and a driving wheel (20) of the motor (3) is meshed with the driving wheel (5) to transmit the power of the motor (3) to the first return rope wheel (4).
15. Intelligent elevator landing door arrangement according to claim 1,
the controller (2) can be set to be in an off state, a dormant state or a working state;
when the controller (2) is in a closed state or a dormant state, the controller (2) controls the motor (3) not to work no matter whether the landing door contact is disconnected or not.
16. Intelligent elevator landing door arrangement according to claim 1,
when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet outputs detection control signals to the controllers (2) of the corresponding door forced opening and closing auxiliary devices (1) layer by layer according to the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving a landing door contact switching-on signal sent by the current landing controller (2), the main control cabinet outputs the detection control signals to the controller (2) of the next door forced opening and closing auxiliary device (1);
after the controller (2) of the door forced opening and closing auxiliary device (1) receives the detection control signal, if the voltage of the power supply negative side of the layer of door contact is detected to be 0, the layer of door contact (21) is judged to be disconnected, and a layer of door contact disconnection signal is sent to the main control cabinet; if the voltage on the negative side of the power supply of the layer door contact (21) is detected to be the power supply voltage of the layer door safety loop, the layer door contact (21) is judged to be connected, and a layer door contact connecting signal is sent to the main control cabinet;
if the contact of the landing door is disconnected, the controller (2) of the door forced opening and closing auxiliary device (1) of the corresponding landing door controls the corresponding motor (3) to start working and rotate towards the door closing direction of the landing door until the voltage of the power supply negative side of the contact of the landing door is detected to be the detection power supply voltage.
17. Intelligent elevator landing door apparatus according to claim 16,
the supply voltage for the landing door safety loop is DC 48V.
18. Intelligent elevator landing door arrangement according to claim 1,
the controller (2) of each forced door opening and closing auxiliary device (1) is provided with a detection power supply;
detecting that the power supply voltage is different from the power supply voltage of a landing door safety loop;
when the car door safety loop is switched on, if the landing door safety loop is switched off, the main control cabinet cuts off the landing door safety loop, and outputs detection control signals to the controller (2) of the corresponding door forced opening and closing auxiliary device (1) layer by layer according to the sequence from the top layer to the bottom layer or from the bottom layer to the top layer, and after receiving a landing door contact switching-on signal sent by the current landing controller (2), the main control cabinet outputs the detection control signals to the controller (2) of the next door forced opening and closing auxiliary device (1);
after receiving the detection control signal, the controller (2) of the forced door opening and closing auxiliary device (1) applies a detection power supply voltage to the positive side of the power supply of the corresponding layer door contact (21), if the voltage of the negative side of the power supply of the layer door contact (21) is detected to be 0, the layer door contact (21) is judged to be disconnected, and a layer door contact disconnection signal is sent to the main control cabinet; if the voltage of the power supply negative side of the layer of door contact (21) is detected to be the detected power supply voltage, the layer of door contact (21) is judged to be connected, and a layer of door contact connection signal is sent to the main control cabinet;
if the contact of the landing door is disconnected, the controller (2) of the door forced opening and closing auxiliary device (1) of the corresponding landing door controls the corresponding motor (3) to start working and rotate towards the door closing direction of the landing door until the voltage of the power supply negative side of the contact of the landing door is detected to be the detection power supply voltage;
if the floor door contact (21) is connected, the controller (2) of the forced door opening and closing auxiliary device (1) of the corresponding floor controls the closing of the detection power supply.
19. Intelligent elevator landing door apparatus according to claim 18,
after receiving a layer door contact disconnection signal sent by a controller (2) of a forced door opening and closing auxiliary device (1), the main control cabinet outputs a detection control signal to the controller (2) of the forced door opening and closing auxiliary device (1) again after a set delay time.
20. Intelligent elevator landing door apparatus according to claim 18,
the power supply voltage of the safety loop of the landing door is DC48V, and the detection power supply voltage of the controller (2) of the forced opening and closing door auxiliary device (1) is DC 12V.
21. Intelligent elevator landing door apparatus according to claim 16 or 18,
when the car door safety loop is switched on and the landing door safety loop is switched off for a set time, the main control cabinet outputs detection control signals to the controllers (2) of the forced door opening and closing auxiliary devices (1).
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| CN201910180331.0A CN111689350B (en) | 2019-03-11 | 2019-03-11 | Intelligent elevator landing door device |
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