CN115490122A - Elevator discharging platform protective door and elevator circuit linkage device and control method thereof - Google Patents
Elevator discharging platform protective door and elevator circuit linkage device and control method thereof Download PDFInfo
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- CN115490122A CN115490122A CN202211123518.5A CN202211123518A CN115490122A CN 115490122 A CN115490122 A CN 115490122A CN 202211123518 A CN202211123518 A CN 202211123518A CN 115490122 A CN115490122 A CN 115490122A
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- elevator
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- door
- receiving device
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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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- 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
- B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
- B66B13/185—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors electrical
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
Abstract
The invention relates to a linkage device of an elevator discharging platform protective door and an elevator circuit and a control method thereof, belonging to the technical field of building construction and comprising the following steps: a master control box: is in signal connection with an electric cabinet of the elevator; the signal receiving device: is electrically connected with the main control box; a limit switch: is electrically connected with the main control box; the signal transmitting device: the signal receiving device is in signal connection with the signal receiving device; contact opening and closing device: the contact opening and closing device is closed after the protective door body in the floor is closed, and a door closing signal is transmitted to the signal receiving device through the signal transmitting device; when the protective door body in the floor is opened, the cut-off loop of the signal transmitting device is disconnected, and the signal transmitting device does not work. The invention can monitor whether the protective door is used safely in real time, and eliminates the potential safety hazard caused by starting the elevator when the protective door is not closed completely.
Description
Technical Field
The invention relates to an elevator discharging platform protective door and elevator circuit linkage device and a control method thereof, and belongs to the technical field of building construction.
Background
As a vertical transportation tool of a construction site, an operator frequently enters and exits from each floor in the process of using the construction elevator, and whether a floor protection door of the construction elevator is closed in time or not is generally controlled by adopting a manual management system. But the management system of finding good or detailed in the real production process is also finished by depending on the consciousness of the execution of related personnel, and there are always situations of lucky psychology or negligence of managers or elevator drivers. When the manager does not timely patrol the non-compliance condition or timely correct the deviation, the potential safety hazard will inevitably appear, and along with the continuous increase of the number of related safety accidents, the accidents caused by the defects of improper manual control and the like occupy a considerable proportion all the year round, so the improvement is urgently needed.
The construction elevator protective door disclosed in the Chinese utility model patent with the publication number of CN210236831U comprises door edge protective rods fixed on the structural plate surface of a construction floor and a first protective door arranged between the door edge protective rods, wherein the first protective door comprises a first protective door frame and a protective door leaf; the first protective door frame comprises two first upright posts and a first cross rod, the protective door leaf is movably fixed between the two first upright posts, and the first upright posts are fixedly connected with the door edge protective rod; the place ahead of first protection door frame is provided with second protection door frame, and second protection door frame is connected through the guard plate including being fixed in two second stands on the construction floor structure face between second stand and the first stand that corresponds one side, and the bottom of first stand is connected through first fortune flitch with the bottom of second stand.
The construction elevator protective door disclosed in the reference example prompts the situation that the protective door is closed abnormally through the alarm lamp, certain potential safety hazards still exist, the elevator is not limited, the situation that the protective door is not closed but the elevator is still started possibly exists, and certain dangerousness still exists for operators.
Disclosure of Invention
In order to overcome the defects that the existing protective door for the floor of the construction elevator is low in use safety, large in potential safety hazard caused by artificial control and the like, the invention designs the linkage device of the protective door for the elevator discharging platform and the elevator circuit and the control method thereof, which can monitor whether the protective door is safely used or not in real time and eliminate the potential safety hazard caused by starting the elevator when the protective door is not completely closed.
In order to achieve the purpose, the invention adopts the following technical scheme:
technical scheme one
The utility model provides an elevator discharge carriage guard gate and elevator circuit aggregate unit, includes: a main control box: the elevator starting control system is in signal connection with an electric cabinet of the elevator and is used for transmitting an elevator starting signal to the electric cabinet to control the starting of the elevator;
the signal receiving device: the elevator starting device is electrically connected with the main control box and is used for transmitting an elevator starting signal to the main control box after receiving a door closing signal;
a limit switch: the control circuit is electrically connected with the main control box, is closed after the discharge door of the elevator is opened and is used for communicating with the signal receiving device;
the signal transmitting device: the door closing signal transmission device is in signal connection with the signal receiving device and is used for transmitting a door closing signal to the signal receiving device;
contact opening and closing device: the contact opening and closing device is closed after the protective door body in the floor is closed, and a door closing signal is transmitted to the signal receiving device through the signal transmitting device; when the protective door body in the floor is opened, the cut-off loop of the signal transmitting device is disconnected, and the signal transmitting device does not work.
Furthermore, a first protective shell is arranged outside the main control box, and a functional switch for controlling the on-off of a control circuit of the signal receiving device is arranged on the first protective shell.
Furthermore, a second protective shell is arranged outside the signal receiving device.
Furthermore, the signal transmitting devices are installed on one side, close to the elevator, of the protective door body of each floor, third protective shells are arranged outside the signal transmitting devices, and the signal transmitting devices are connected in parallel and are electrically connected with a branch power supply.
Further, a fourth protective case is provided outside the contact opening and closing device.
Further, the installation height of the signal transmitting device in each floor is consistent with the vertical height of the signal receiving device when the elevator stops in the corresponding floor.
Furthermore, first protecting crust is the plastics material, and second protecting crust, third protecting crust and fourth protecting crust are galvanized iron sheet box.
Furthermore, the main control box and the limit switch, the main control box and the signal receiving device and the main control box and the electric control box are electrically connected through four-core cables, and PCV electrical sleeves are sleeved outside the four-core cables.
Technical scheme two
The control method of the elevator unloading platform protective door and elevator circuit linkage device based on the technical scheme I is characterized in that: the method comprises the following steps:
s1: when the elevator stops at a certain floor and the discharge door of the elevator is opened, the limit switch is closed, the control circuit of the signal receiving device is communicated, and the signal receiving device starts to work;
s2: during operation, the protective door body in the floor is opened, the cut-off loop of the signal transmitting device is disconnected, and the signal transmitting device does not work;
s3: when the protective door body in the floor is closed after the operation is finished, the open-close loop of the signal transmitting device is communicated, and the signal transmitting device works and transmits a door closing signal to the signal receiving device;
s4: and (4) after the signal receiving device receives the door closing signal in the step (S3), transmitting an elevator starting signal to the main control box to start the elevator to continue to operate.
Further, the method also comprises the step S5: when the elevator needs to be added, the functional switch is switched off, and the control circuit of the signal receiving device is switched off and does not work.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
the invention utilizes the signal transmitting device and the signal receiving device to detect the closing condition of the protective door body, the signal transmitting device can send a signal only when the protective door body is completely closed, the signal is transmitted by the signal receiving device and the main control box and then is used for controlling the original starting circuit of the elevator, meanwhile, the limit switch can be closed to form a control loop only after the discharge door of the elevator is completely closed, the starting circuit of the original elevator can be started, otherwise, the original starting circuit of the elevator can not be started for operation, therefore, the situations of happy psychology and negligence of elevator operating personnel can be thoroughly eradicated, the passivity of the elevator after knowing in management is avoided, meanwhile, whether the protective door body is safely used in real time, and the potential safety hazard caused by the incomplete closing of the protective door body and the starting operation of the elevator due to the discharge receipt is eliminated.
Drawings
FIG. 1 is a schematic view of the overall connection of the present invention;
FIG. 2 is a schematic view of the installation of the master control box of the present invention;
FIG. 3 is a schematic view of the installation of the signal receiving device of the present invention;
FIG. 4 is a schematic view of the installation of the signal emitting device of the present invention;
fig. 5 is a schematic view showing the installation of the contact opening and closing device of the present invention;
fig. 6 is a control circuit diagram of the signal receiving apparatus of the present invention;
FIG. 7 is a circuit diagram of the open circuit of the signal transmitting device of the present invention;
FIG. 8 is a flowchart of a method according to a second embodiment of the present invention.
Wherein the reference numbers are: 1. a master control box; 101. a relay; 103. a function switch; 104. a sensor signal receiving power supply; 105. a first protective shell; 2. a signal receiving device; 201. a sensor signal receiver; 202. a second protective shell; 3. a signal transmitting device; 301. a sensor signal emitter; 303. a third protective shell; 4. a limit switch; 5. a contact opening and closing device; 501. a contact switch; 502. a fourth protective cover; 6. an electric cabinet; 7. a protective door body; 8. a rectifier bridge; 9. a transformer.
Detailed Description
The present invention will be described in more detail with reference to examples.
Example one
As shown in fig. 1 to 7, an elevator discharge table guard door and elevator circuit linkage device includes: main control box 1: is in signal connection with an electric cabinet 6 of the elevator and is used for transmitting an elevator starting signal to the electric cabinet 6 to control the starting of the elevator;
the signal receiving apparatus 2: the door closing device is electrically connected with the main control box 1 and is used for transmitting an elevator starting signal to the main control box 1 after receiving a door closing signal;
and a limit switch 4: the control circuit is electrically connected with the main control box 1, is closed after the discharge door of the elevator is opened and is used for communicating with the signal receiving device 2;
the signal transmitting device 3: the door closing signal transmission device is in signal connection with the signal receiving device 2 and is used for transmitting a door closing signal to the signal receiving device 2;
contact opening/closing device 5: the opening and closing device 5 is closed after the protective door body 7 in the floor is closed, and a door closing signal is transmitted to the signal receiving device 2 through the signal transmitting device 3; when the protective door body 7 in the floor is opened, the open circuit of the signal transmitting device 3 is disconnected, and the signal transmitting device 3 does not work.
The protective door bodies 7 are arranged in floors, each floor is provided with a protective door body 7, the discharge door of the elevator is connected with the elevator to seal the elevator, and the discharging operation can be realized only when the protective door bodies 7 and the discharge doors are opened; only when the keeper of guard gate body 7 dials into the safe position in keyhole, guard gate body 7 just is in the closed condition, and contact switching device 5 just is in the closed condition simultaneously, otherwise guard gate body 7 all is in the open mode, and contact switching device 5 is in the off-state.
From the above description, the invention has the beneficial effects that the invention utilizes the signal emitting device 3 and the signal receiving device 2 to detect the closing condition of the protective door body 7, only when the protective door body 7 is completely closed, the signal emitting device 3 can emit a signal, the signal is transmitted by the signal receiving device 2 and the main control box 1 and then is used for controlling the original starting circuit of the elevator, and only when the discharge door of the elevator is completely closed, the limit switch 4 can be closed to form a control loop, the starting circuit of the elevator can be started, otherwise the original starting circuit of the elevator can not be started to run, so that the situations of luck and psychological negligence of elevator operating personnel can be completely eradicated, the perceived passiveness after management is avoided, meanwhile, whether the protective door body 7 is safely used or not can be monitored in real time, and the potential safety hazard caused by the fact that the protective door body 7 is completely closed to start the elevator and run incompletely due to discharge strips is eliminated.
Further, a first protective shell 105 is arranged outside the main control box 1, a function switch 103 used for controlling the on-off of a control circuit of the signal receiving device 2 is arranged on the first protective shell 105, a sensor signal receiving power supply 104 and a plurality of relays 101 used for protecting the circuit are further arranged in the first protective shell 105, the voltage of the sensor signal receiving power supply 104 is 220V and is connected to an electric control box in the construction elevator, and the sensor signal receiving power supply 104 comprises a rectifier bridge 8, a transformer 9 and an aluminum foil.
As can be seen from the above description, the setting of the functional switch 103 can directly disconnect the loop, and when the elevator needs to be added or other special conditions do not require the sensor device to work, the functional switch 103 can be disconnected, so as to adapt to different working states and ensure the normal operation of construction, and the setting of the first protective shell 105 is used for protecting internal circuits and components, and is also convenient to install and fix; the sensor signal receiving power supply 104 is used to supply power to the signal receiving device 2 while converting alternating current to direct current for use by the signal receiving device 2.
Further, a second protective shell 202 is arranged outside the signal receiving device 2, and the signal receiving device 2 comprises a sensor signal receiver 201.
As can be seen from the above description, the second protective shell 202 is provided to protect the sensor signal receiver 201, and is also convenient to install, thereby improving the applicability of the device.
Further, signal emission device 3 is all installed to one side that the guard gate body 7 of every floor is close to the elevator, and all is provided with third protecting crust 303 outside each signal emission device 3, and each signal emission device 3 is parallelly connected each other and all is connected with a branch power supply electricity, and signal emission device 3 includes sensor signal transmitter 301.
It can be known from the above description that each signal emission device 3 is parallelly connected to each other to supply power through the branch power supply that the outside set up, only need connect the wiring on floor side, alleviate the wiring burden, reduce the wiring cost, each signal emission device 3 sets up with each intraformational contact switching device 5 one-to-one and forms the return circuit, guarantees the real time monitoring of the guard gate body 7 of each floor, and then guarantees the security, and third protective housing 303 plays the effect of protection and easy to assemble.
Further, a fourth shield case 502 is provided outside the contact opening/closing device 5, and the contact opening/closing device 5 includes a contact switch 501.
As can be seen from the above description, the fourth protective case 502 serves to protect the contact switch 501 and to facilitate installation.
Further, the installation height of the signal emitting device 3 in each floor is consistent with the vertical height of the signal receiving device 2 when the elevator is stopped in the corresponding floor.
From the above description, when the elevator stops at a certain floor, the vertical heights of the signal receiving device 2 and the signal transmitting device 3 are ensured to be consistent, the distance between the signal receiving device 2 and the signal transmitting device 3 is shortened, and meanwhile, the signal induction can be kept on a horizontal straight line, so that the quality and the speed of signal transmission are ensured.
Further, the first protective shell 105 is made of plastic, and the second protective shell 202, the third protective shell 303 and the fourth protective shell 502 are all galvanized iron boxes with a wall thickness of 1 mm.
As can be seen from the above description, the first protective shell 105 is made of plastic, and has the advantages of light weight, good flame retardant property, and easy installation; the second protective shell 202, the third protective shell 303 and the fourth protective shell 502 are all galvanized iron sheet boxes with the wall thickness of 1mm, and the galvanized iron sheet boxes have the advantages of strong applicability and simple and easily-obtained materials.
Furthermore, the main control box 1 and the limit switch 4, the main control box 1 and the signal receiving device 2, and the main control box 1 and the electric control box 6 are electrically connected through four-core cables, and PCV electrical sleeves are sleeved outside the four-core cables.
As can be seen from the above description, the quad cable is used for connection between connection devices and signal transmission, and the PCV electrical sleeve protects the cable, improving safety and the service life of the cable.
Example two
As shown in fig. 7, the control method based on the elevator discharge platform guard door and elevator circuit linkage device in the first embodiment is characterized in that: the method comprises the following steps:
s1: when the elevator stops at a certain floor and the discharge door of the elevator is opened, the limit switch 4 is closed, the control circuit of the signal receiving device 2 is communicated, and the signal receiving device 2 starts to work;
s2: during operation, the protective door body 7 in the floor is opened, the open circuit of the signal transmitting device 3 is disconnected, and the signal transmitting device 3 does not work;
s3: after the operation is finished, the protective door body 7 in the floor is closed, the open loop of the signal transmitting device 3 is communicated, and the signal transmitting device 3 works and transmits a door closing signal to the signal receiving device 2;
s4: after receiving the door closing signal in step S3, the signal receiving device 2 transmits an elevator start signal to the master control box 1 to start the elevator to continue operating.
Further, the method also comprises the step S5: when the elevator needs to be added, the functional switch 103 is switched off, and the control circuit of the signal receiving device 2 is switched off and does not work.
Particularly, when the elevator normally runs, the connection of the open loop of the signal transmitting device 3 is in a dormant state, and the circuit does not work at the moment.
The working principle of the invention is as follows: after the elevator cage runs to a specified floor and stops, the discharge door of the elevator is opened, the limit normally open contact of the discharge door of the elevator is triggered as the limit switch 4, the control circuit of the signal receiving device 2 is communicated, the protective door body 7 of the discharging platform in the floor is opened during operation, and the cut-off loop of the signal transmitting device 3 is disconnected;
after the operation is finished, the protective door 7 is closed, the door bolt is pushed into the safety position of the bolt hole, the contact opening and closing device 5 is closed, the open loop of the signal transmitting device 3 is communicated, the signal transmitting device 3 sends a door closing signal, the signal receiving device 2 receives the door closing signal and then transmits the door closing signal to the main control box 1, and the main control box 1 transmits an elevator starting signal to the electric control box 6 of the elevator to control the starting of the elevator;
if the protective door 7 is not closed according to the requirement, namely the door bolt is not pushed into the safety position of the bolt hole, the contact opening and closing device 5 is disconnected, the open loop of the signal transmitting device 3 is still in the disconnected state, the door closing signal cannot be sent, and at the moment, even if the discharge door of the elevator is closed, the elevator cannot be started to run.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides an elevator unloading platform guard gate and elevator circuit aggregate unit which characterized in that: the method comprises the following steps: master control box (1): the elevator starting control device is in signal connection with an electric control box (6) of the elevator and is used for transmitting an elevator starting signal to the electric control box (6) to control the starting of the elevator;
signal receiving apparatus (2): the door closing device is electrically connected with the main control box (1) and is used for transmitting an elevator starting signal to the main control box (1) after receiving a door closing signal;
limit switch (4): the control circuit is electrically connected with the main control box (1), is closed after the discharge door of the elevator is opened, and is used for communicating with the signal receiving device (2);
signal transmitting device (3): the door closing signal transmission device is in signal connection with the signal receiving device (2) and is used for transmitting a door closing signal to the signal receiving device (2);
contact opening/closing device (5): the opening and closing device (5) is closed after the protective door body (7) in the floor is closed, and a door closing signal is transmitted to the signal receiving device (2) through the signal transmitting device (3); when the protective door body (7) in the floor is opened, the open circuit of the signal transmitting device (3) is disconnected, and the signal transmitting device (3) does not work.
2. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: a first protective shell (105) is arranged outside the main control box (1), and a functional switch (103) for controlling the on-off of a control circuit of the signal receiving device (2) is arranged on the first protective shell (105).
3. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: the second protective shell (202) is arranged outside the signal receiving device (2).
4. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: the signal emitting devices (3) are mounted on one side, close to the elevator, of the protective door body (7) of each floor, third protective shells (303) are arranged outside the signal emitting devices (3), and the signal emitting devices (3) are connected in parallel and are electrically connected with a branch power supply (302).
5. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: a fourth protective case (502) is provided outside the contact opening/closing device (5).
6. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: the installation height of the signal emitting device (3) in each floor is consistent with the vertical height of the signal receiving device (2) when the elevator stops in the corresponding floor.
7. The elevator discharge platform guard door and elevator circuit linkage according to any one of claims 2-6, characterized in that: the first protective shell (105) is made of plastic, and the second protective shell (202), the third protective shell (303) and the fourth protective shell (502) are all galvanized iron sheet boxes.
8. The elevator discharge platform guard door and elevator circuit linkage of claim 1, wherein: the main control box (1) and the limit switch (4), the main control box (1) and the signal receiving device (2) and the main control box (1) and the electric control box (6) are electrically connected through four-core cables, and PCV electrical sleeves are sleeved outside the four-core cables.
9. The control method of the elevator discharge platform protective door and elevator circuit linkage device based on any one of claims 1-4 is characterized in that: the method comprises the following steps:
s1: when the elevator stops at a certain floor and the discharge door of the elevator is opened, the limit switch (4) is closed, the control circuit of the signal receiving device (2) is communicated, and the signal receiving device (2) starts to work;
s2: during operation, the protective door body (7) in the floor is opened, the on-off loop of the signal transmitting device (3) is disconnected, and the signal transmitting device (3) does not work;
s3: when the operation is finished, the protective door body (7) in the floor is closed, the open-close loop of the signal transmitting device (3) is communicated, and the signal transmitting device (3) works and transmits a door closing signal to the signal receiving device (2);
s4: and after receiving the door closing signal in the step S3, the signal receiving device (2) transmits an elevator starting signal to the main control box (1) to start the elevator to continue to operate.
10. The method of claim 9 for controlling an elevator discharge platform guard door and elevator circuit linkage, wherein: further comprising step S5: when the elevator needs to be added, the functional switch (103) is switched off, and the control circuit of the signal receiving device (2) is switched off and does not work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211123518.5A CN115490122B (en) | 2022-09-15 | 2022-09-15 | Elevator unloading platform protective door and elevator circuit linkage device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211123518.5A CN115490122B (en) | 2022-09-15 | 2022-09-15 | Elevator unloading platform protective door and elevator circuit linkage device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115490122A true CN115490122A (en) | 2022-12-20 |
| CN115490122B CN115490122B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211123518.5A Active CN115490122B (en) | 2022-09-15 | 2022-09-15 | Elevator unloading platform protective door and elevator circuit linkage device and control method thereof |
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| Country | Link |
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| CN (1) | CN115490122B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184283A (en) * | 2007-01-30 | 2008-08-14 | Mitsubishi Electric Corp | Door controller of elevator |
| JP2011032028A (en) * | 2009-07-31 | 2011-02-17 | Toshiba Elevator Co Ltd | Elevator safety device |
| CN204237415U (en) * | 2014-10-28 | 2015-04-01 | 中建海峡建设发展有限公司 | Building hoist protection door |
| CN104756406A (en) * | 2012-10-31 | 2015-07-01 | 因温特奥股份公司 | Input device and method for generating a control signal |
| CN105384039A (en) * | 2014-08-22 | 2016-03-09 | 通力股份公司 | Method and arrangement for closing doors of an elevator |
| CN213622820U (en) * | 2020-11-23 | 2021-07-06 | 航天建筑设计研究院有限公司 | Control system for floor protective door of construction elevator |
-
2022
- 2022-09-15 CN CN202211123518.5A patent/CN115490122B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184283A (en) * | 2007-01-30 | 2008-08-14 | Mitsubishi Electric Corp | Door controller of elevator |
| JP2011032028A (en) * | 2009-07-31 | 2011-02-17 | Toshiba Elevator Co Ltd | Elevator safety device |
| CN104756406A (en) * | 2012-10-31 | 2015-07-01 | 因温特奥股份公司 | Input device and method for generating a control signal |
| CN105384039A (en) * | 2014-08-22 | 2016-03-09 | 通力股份公司 | Method and arrangement for closing doors of an elevator |
| CN204237415U (en) * | 2014-10-28 | 2015-04-01 | 中建海峡建设发展有限公司 | Building hoist protection door |
| CN213622820U (en) * | 2020-11-23 | 2021-07-06 | 航天建筑设计研究院有限公司 | Control system for floor protective door of construction elevator |
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| Publication number | Publication date |
|---|---|
| CN115490122B (en) | 2023-06-30 |
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