CN105775946A - Elevator control system and method - Google Patents
Elevator control system and method Download PDFInfo
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- CN105775946A CN105775946A CN201610356086.0A CN201610356086A CN105775946A CN 105775946 A CN105775946 A CN 105775946A CN 201610356086 A CN201610356086 A CN 201610356086A CN 105775946 A CN105775946 A CN 105775946A
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- light curtain
- infrared light
- detection unit
- elevator
- infrared
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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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
- B66B13/146—Control systems or devices electrical method or algorithm for controlling doors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses an elevator control system and method. The control system mainly comprises a first infrared light curtain detection unit, a second infrared light curtain detection unit and a control device, wherein the first infrared light curtain detection unit is used for forming a horizontal infrared light curtain parallel to an elevator door and detecting shielding objects; the second infrared light curtain detection unit is used for forming a longitudinal infrared light curtain parallel to the elevator door and detecting shielding objects; and the control device is used for controlling the opening and closing actions of the elevator according to detection results of the first infrared light curtain detection unit and the second infrared light curtain detection unit. According to the embodiment of the invention, through the adoption of the technical scheme, the longitudinal infrared light curtain is added on the basis of a traditional horizontal infrared light curtain, so that a non-detection zone in a conventional elevator control scheme is effectively decreased, the problems that the elevator door is mistakenly closed due to the large non-detection zone, and the elevator clamps people are solved, and the elevator runs more safely and reliably.
Description
Technical field
The present embodiments relate to elevator technology, particularly relate to a kind of apparatus for controlling elevator and method.
Background technology
Elevator light curtain is a kind of light wire type safety protector of elevator door, it is adaptable to elevator and Cargo Lift, can be used for protecting the safety of elevator passenger.
At present, the elevator light curtain overwhelming majority is plane horizontal detection light curtain, and this kind of light curtain generally comprises the infrared transmitter and infrared remote receiver that are arranged on elevator cage door both sides.It is uniformly distributed along the short transverse of elevator door in infrared transmitter and is provided with multiple (being generally 32 or 16) infrared emission component; infrared receiver component it is correspondingly arranged in infrared remote receiver; when elevator door is in opening, the light that infrared transmitter sends can form an infrared ray protection light curtain.When any of which Ray Of Light is blocked; can learn and shelter be detected; apparatus for controlling elevator can control gate phase down and open; until passenger or obstacle leave after warning region elevator door can normal switching-off; thus reaching safeguard protection purpose, the generation of elevator folder people's accident so can be avoided.
This traditional infrared light curtain detection mode, only just can be detected and control elevator when people or thing occur in and shelter from infrared ray in elevator door plane of motion again to open the door, limited amount because of infrared emission component, bigger space is there is, so the detection based on tradition light curtain can exist blind area between light in light curtain.In the use procedure of elevator, it is frequently encountered shelter and occurs within the scope of blind area and cannot be detected, cause the situation clipping to shelter when elevator door cuts out.Such as people walks one's bicycle when entering car, because tire thickness cannot be detected less than blind area scope, causes that bicycle is knocked；And for example child is crushed by elevator door because being stretched within the scope of blind area by hands.
Summary of the invention
The present invention provides a kind of apparatus for controlling elevator and method, to solve to occur, because check frequency is relatively big, the problem that elevator door cuts out in existing elevator controlling scheme by mistake.
First aspect, embodiments provides a kind of apparatus for controlling elevator, detects unit, the second infrared light curtain detection unit including the first infrared light curtain and controls device；
Described first infrared light curtain detection unit is for being formed in parallel with the horizontal infrared light curtain of elevator door and carrying out shelter detection；
Described second infrared light curtain detection unit is for being formed in parallel with longitudinal infrared light curtain of elevator door and carrying out shelter detection；
Described control device is connected with described first infrared light curtain detection unit and described second infrared light curtain detection unit respectively, for controlling the switch motion of described elevator door according to the testing result of described first infrared light curtain detection unit and described second infrared light curtain detection unit.
Second aspect, embodiments provides a kind of elevator control method, the apparatus for controlling elevator that the method provides based on the embodiment of the present invention, including:
When elevator door is in non-completely closed state, if described first infrared light curtain detection unit is not detected by shelter, and described second infrared light curtain detection unit detects shelter, then control described elevator door and open.
The present invention, by the first infrared light curtain detection unit and the second infrared light curtain detection unit are combined, solves elevator light curtain detection system and causes elevator to be closed the door because blind area is big by mistake, cause elevator to press from both sides the problems such as people, it is achieved that the operation that elevator is more safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of apparatus for controlling elevator that the embodiment of the present invention one provides；
Fig. 2 is the structured flowchart of a kind of apparatus for controlling elevator that the embodiment of the present invention three provides；
Fig. 3 is the schematic flow sheet of a kind of elevator control method that the embodiment of the present invention five provides.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.It is understood that specific embodiment described herein is used only for explaining the present invention, but not limitation of the invention.It also should be noted that, for the ease of describing, accompanying drawing illustrate only part related to the present invention but not entire infrastructure.
Embodiment one
Fig. 1 is the structured flowchart of a kind of apparatus for controlling elevator that the embodiment of the present invention one provides.As it is shown in figure 1, this system includes first infrared light curtain detection unit the 101, second infrared light curtain detection unit 102 and controls device 103.
Wherein, the first infrared light curtain detection unit 101 is for being formed in parallel with the horizontal infrared light curtain of elevator door and carrying out shelter detection；Second infrared light curtain detection unit 102 is for being formed in parallel with longitudinal infrared light curtain of elevator door and carrying out shelter detection；Control device 103 to be connected with the first infrared light curtain detection unit 101 and the second infrared light curtain detection unit 102 respectively, for detecting the switch motion of the testing result control elevator door of unit 101 and the second infrared light curtain detection unit 102 according to the first infrared light curtain.
Exemplary, infrared light curtain detection unit generally comprises infrared transmitter and infrared remote receiver, can include one or more infrared emission component, can include multiple infrared receiver component in infrared remote receiver in infrared transmitter.In the present embodiment, in order to be formed in parallel with the horizontal infrared light curtain of elevator door, infrared transmitter and the infrared remote receiver of the first infrared light curtain detection unit can be respectively arranged in gate both sides, as main detecting device.In order to be formed in parallel with longitudinal infrared light curtain of elevator door, infrared transmitter and the infrared remote receiver of the second infrared light curtain detection unit can be parallel to gate sill and be respectively arranged in the top outside car and bottom, ensure that the infrared light path of light curtain is between hall door and gate, as the detecting device of auxiliary.It is understandable that, the concrete installation site of the first infrared light curtain detection unit and the second infrared light curtain detection unit can be adjusted by elevator design personnel according to practical situation, light curtain second infrared light curtain such as can detect unit be arranged at outside hall door or the position such as inside car, as long as can be formed on the longitudinal direction be parallel to elevator door.
Exemplary, it is in opening or closing process at elevator door, when the light in light curtain is blocked, infrared remote receiver can detect obstacle.First infrared light curtain detection unit and the second infrared light curtain detection unit, by whether detecting that the testing result of obstacle is sent to control device, make control device that the switch motion of elevator door to be controlled.Such as, when any one infrared light curtain detects the testing result of unit for obstacle being detected, controlling device and can control elevator door unlatching, if now elevator door cuts out, then elevator door is understood phase down action and reversely opens, it is prevented that obstacle is clashed into by elevator door.
The apparatus for controlling elevator that the embodiment of the present invention provides, by the first infrared light curtain detection unit and the second infrared light curtain detection unit are combined, traditional horizontal infrared light curtain basis adds longitudinal infrared light curtain, effectively reduce the check frequency in existing elevator controlling scheme, solve and cause elevator to be closed the door because blind area is big by mistake, cause the problems such as elevator folder people, it is achieved that the operation that elevator is more safe and reliable.
Embodiment two
The embodiment of the present invention two is on the basis of embodiment one, and the first infrared light curtain detection unit in embodiment one and the second infrared light curtain detection unit are optimized.
A kind of apparatus for controlling elevator that the embodiment of the present invention provides includes the first infrared light curtain detection unit, the second infrared light curtain detection unit and controls device.First infrared light curtain detection unit is for being formed in parallel with the horizontal infrared light curtain of elevator door and carrying out shelter detection；Second infrared light curtain detection unit is for being formed in parallel with longitudinal infrared light curtain of elevator door and carrying out shelter detection；Control device to be connected with the first infrared light curtain detection unit and the second infrared light curtain detection unit respectively, for detecting the switch motion of the testing result control elevator door of unit and the second infrared light curtain detection unit according to the first infrared light curtain.
Wherein, the first infrared light curtain detection unit includes the first infrared transmitter and the first infrared remote receiver, the first infrared transmitter and the first infrared remote receiver and is parallel to the short transverse of gate and is separately mounted to gate both sides.
Second infrared light curtain detection unit is between gate and hall door, and the second infrared light curtain detection unit includes the second infrared transmitter and the second infrared remote receiver；
Second infrared transmitter is arranged on the top outside car, and the second infrared remote receiver is parallel to the width of gate and is arranged on the bottom outside car；Or, the second infrared transmitter is arranged on the bottom outside car, and the second infrared remote receiver is parallel to the width of gate and is arranged on the top outside car.
Preferably, the installation center of the second infrared transmitter is corresponding with the door center line of gate.So arrange and be advantageous in that, for center opening door, it may be achieved light point symmetry, make the installation center of the second infrared transmitter corresponding with the door center line of gate, accuracy in detection can be improved, also can reduce the quantity of infrared emission component, and then save installing space and reduce cost.Such as, only can installing an infrared emission component centered by door center line, owing to elevator door height is sufficiently high, the light that infrared emission component sends, due to scattering of light, can be received by multiple infrared receiver components on opposite, it is possible to meets longitudinal detection demand.
Further, the length of the second infrared remote receiver can be identical with maximum door opening width.Preferably, the second infrared remote receiver can include the infrared receiver component along gate width non-uniform Distribution.So arrange and be advantageous in that and can configure infrared receiver component according to the needs of practical situation, for instance near elevator door center line, increase packing density, and reducing packing density away from elevator door mid line region, while ensureing accuracy of detection, reduce cost.
The embodiment of the present invention two is on the basis of above-described embodiment, and the mounting means that the first infrared light curtain detects unit and the second infrared light curtain detection unit refines, and can further improve accuracy of detection, reduces installation cost.
Embodiment three
Fig. 2 is the structured flowchart of a kind of apparatus for controlling elevator that the embodiment of the present invention three provides.The embodiment of the present invention is optimized on the basis of above-described embodiment, and this system includes first infrared light curtain detection unit the 201, second infrared light curtain detection unit 202, controls device 203 and detecting device 204.
Wherein, control device to be connected with the first infrared light curtain detection unit and the second infrared light curtain detection unit respectively by detecting device.Detecting device is used for obtaining elevator door position information and elevator door status information, and elevator door position information and elevator door status information are sent to second infrared light curtain detection unit so that second infrared light curtain detection unit detect shelter be positioned at elevator door when being not turned off region output block signal.
Exemplary, the installation site of detecting device is not limit, it is mainly used in carrying out the judgement of a position and state, and these information are passed to the second infrared light curtain detection unit, and the testing result of the first infrared light curtain detection unit and the second infrared light curtain detection unit is sent to control device.Second infrared light curtain detection unit can obtain the positional information of elevator door in real time from detecting device, can constantly reduce detection range, and it is not turned off region according to what the approximate size size of position information confirming shelter and being confirmed whether was positioned at door, detect when shelter is positioned at the region that door is not turned off, provide and block signal (i.e. testing result), detect and can ignore when shelter is located elsewhere, reduce the probability of wrong report.Control device after receiving the testing result that detecting device sends, logical judgment can be passed through, provide switch gate and enable instruction, in addition, also can send information to the Surveillance center that there is correspondence with apparatus for controlling elevator, enable the staff of Surveillance center to understand the operation conditions of elevator in real time.
Preferably, the system of the present embodiment may also include alarming device 205, and alarming device is connected with detecting device, issues out warning for the driving at detecting device.The installation site of alarming device is not limit, and primarily serves warning function, and the mode of warning is not limit, it is possible to be voice broadcast or warning lamp etc..
The apparatus for controlling elevator that the embodiment of the present invention three provides, can optimize the detection of shelter according to elevator door position information and elevator door status information, reduces wrong report, has ensured the security reliability that elevator runs further.
Embodiment four
The embodiment of the present invention four provides a kind of elevator control method, and the method can be performed by apparatus for controlling elevator, and wherein this apparatus for controlling elevator can be realized by software and/or hardware.The method includes: when elevator door is in non-completely closed state, if the second infrared light curtain detection unit detects shelter, then controls elevator door and opens.
Exemplary, elevator door is in non-completely closed state and can include elevator door and be in door opening state, may also include elevator door and is in the state closed.If the first infrared light curtain detection unit and the second infrared light curtain detection unit are all not detected by shelter, can being provided, by controlling device, instruction of closing the door, closing thus controlling elevator door.If the first infrared light curtain detection unit or the second infrared light curtain detection unit detect shelter, door open command can be provided by controlling device, be held open state or phase down thus controlling elevator door and open.
The elevator control method that the embodiment of the present invention four provides, opening elevator door when unit detects shelter can be detected at any one infrared light curtain, reduce the probability that elevator is closed the door by mistake, it is prevented that staff or other shelters are clashed into by door, it is achieved that the operation that elevator is more safe and reliable.
On the basis of above-described embodiment, after controlling elevator door and opening, if may also include that in the first preset duration, the second infrared light curtain detection unit is continuously detected shelter, and calls instruction of closing the door together in being not detected by, then control described elevator door after described first preset duration and close at a slow speed.So arrange and be advantageous in that, if after the regular hour, calling instruction of closing the door in being not detected by together, illustrate to be likely not to have in car passenger, and now the second infrared light curtain detection unit is continuously detected shelter, in order to ensure that elevator can normally use, can attempt closing the door at a slow speed.Close the door at a slow speed and specifically can refer to lower than the speed normally closed the door to close elevator door.Close the door at a slow speed and be advantageous in that, the impulsive force to shelter can be reduced.
On the basis of above-described embodiment, also include: when described second infrared light curtain detection unit detects shelter, send warning.So arrange and be advantageous in that, can reminding passengers occlusion removal thing in time, it is ensured that elevator is properly functioning.
On the basis of above-described embodiment, after controlling elevator door and closing at a slow speed, also include: if calling instruction in being not detected by the second preset duration together or calling outward instruction together, then control elevator door and perform switch gate action；If the second infrared light curtain detection unit detects shelter in same position, then send information to the Surveillance center that there is correspondence with apparatus for controlling elevator.So arrange and be advantageous in that, call instruction in being not detected by the second preset duration together or call outward instruction together, explanation does not have passenger to use elevator, second infrared light curtain detection unit detects that shelter is not removed always on same position, in order to ensure that elevator is properly functioning, need to notify that staff checks detection unit whether fault in time or removes foreign body, it is prevented that elevator cage and gate etc. are caused damage by foreign body.
Embodiment five
Fig. 3 is the schematic flow sheet of a kind of preferred elevator control method that the embodiment of the present invention five provides, as it is shown on figure 3, the method includes:
Step 301, detect that elevator is in non-completely closed state.
Step 302, judge first infrared light curtain detection unit whether shelter detected, if so, then perform step 303；Otherwise, step 304 is performed.
Step 303, control elevator door are opened.
Step 304, judge second infrared light curtain detection unit whether shelter detected, if so, then perform step 305；Otherwise, step 306 is performed.
Step 305, control elevator door open, and send be about to close the door please remove shelter warning, perform step 307.
Exemplary, send warning and may be notified that or reminding passengers enters car or occlusion removal thing as early as possible.
Step 306, control elevator door are closed.
Exemplary, in the process that elevator door cuts out, alarming device can be closed.
Step 307, in T1 duration continue judge second infrared light curtain detection unit whether shelter detected, if so, then execution step 308；Otherwise, step 306 is performed.
Exemplary, if the second infrared light curtain detection unit is not detected by shelter, and the first infrared light curtain detection unit detects shelter, it is possible to perform step 308.
Step 308, judge whether to detect in call instruction of closing the door together, if so, then perform step 306；Otherwise, step 309 is performed.
Exemplary, if in T1 duration, inside call instruction continuously effective of closing the door together, then can control elevator door and close.If before having closed the door, inside call instruction of closing the door together and disappear, elevator door can be controlled and open, play a protective role.
Step 309, after T1 duration control elevator door close at a slow speed, perform step 310.
Exemplary, carrying out at a slow speed at closing time, alarming device also can be driven to provide warning.
Step 310, judge whether to detect in T2 duration inside and outside call information together, if so, then perform step 311；Otherwise, step 312 is performed.
Information is called together inside and outside step 311, control elevator response.
Step 312, execution switch gate action, if the second infrared light curtain detection unit detects shelter in same position, then send information to the Surveillance center that there is correspondence with apparatus for controlling elevator.
Exemplary, if after elevator door cuts out at a slow speed, when calling floor information together and call information together outward in never having in T2 duration, can carry out switch gate reaffirms whether be same position, if second detection device can also detect shelter, then send information to property Surveillance center by controlling device, in order to check in time detection unit whether fault and remove foreign body, it is prevented that elevator cage and gate etc. are caused damage by foreign body.
A kind of elevator control method that the embodiment of the present invention five provides, comprehensive first infrared light curtain detection unit and the second infrared light curtain testing result that detects unit can carry out the switch motion of conservative control elevator door, decrease the generation of elevator door close event by mistake, and in time the shelter hindering elevator door to close can be carried out prompting process, it is ensured that elevator properly functioning.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention being described in further detail by above example, but the present invention is not limited only to above example, when without departing from present inventive concept, other Equivalent embodiments more can also be included, and the scope of the present invention is determined by appended right.
Claims (10)
1. an apparatus for controlling elevator, it is characterised in that include the first infrared light curtain detection unit, the second infrared light curtain detection unit and control device；
Described first infrared light curtain detection unit is for being formed in parallel with the horizontal infrared light curtain of elevator door and carrying out shelter detection；
Described second infrared light curtain detection unit is for being formed in parallel with longitudinal infrared light curtain of elevator door and carrying out shelter detection；
Described control device is connected with described first infrared light curtain detection unit and described second infrared light curtain detection unit respectively, for controlling the switch motion of described elevator door according to the testing result of described first infrared light curtain detection unit and described second infrared light curtain detection unit.
2. system according to claim 1, it is characterized in that, described first infrared light curtain detection unit includes the first infrared transmitter and the first infrared remote receiver, described first infrared transmitter and described first infrared remote receiver and is parallel to the short transverse of gate and is separately mounted to described gate both sides；
Described second infrared light curtain detection unit is between described gate and hall door, and described second infrared light curtain detection unit includes the second infrared transmitter and the second infrared remote receiver；
Described second infrared transmitter is arranged on the top outside car, and described second infrared remote receiver is parallel to the width of described gate and is arranged on the bottom outside described car；Or, described second infrared transmitter is arranged on the bottom outside car, and described second infrared remote receiver is parallel to the width of described gate and is arranged on the top outside described car.
3. system according to claim 2, it is characterised in that the installation center of described second infrared transmitter is corresponding with the door center line of described gate.
4. system according to claim 2, it is characterised in that described second infrared remote receiver includes the infrared receiver component along described gate width non-uniform Distribution.
5. system according to claim 1, it is characterised in that also include detecting device, described control device is connected with described first infrared light curtain detection unit and described second infrared light curtain detection unit respectively by described detecting device；
Described detecting device is used for obtaining elevator door position information and elevator door status information, and described elevator door position information and described elevator door status information are sent to described second infrared light curtain detection unit, so that described second infrared light curtain detection unit is detecting that shelter is positioned at output when being not turned off region of described elevator door and blocks signal.
6. system according to claim 5, it is characterised in that also including alarming device, described alarming device is connected with described detecting device, issues out warning for the driving at described detecting device.
7. an elevator control method, it is characterised in that based on the apparatus for controlling elevator as described in as arbitrary in claim 1-7, including:
When elevator door is in non-completely closed state, if described second infrared light curtain detection unit detects shelter, then controls described elevator door and open.
8. method according to claim 7, it is characterised in that after controlling described elevator door and opening, also include:
If described second infrared light curtain detection unit is continuously detected shelter in the first preset duration, and call instruction of closing the door together in being not detected by, then after described first preset duration, control described elevator door and close at a slow speed.
9. method according to claim 8, it is characterised in that also include:
When described second infrared light curtain detection unit detects shelter, send warning.
10. method according to claim 8, it is characterised in that after controlling described elevator door and closing at a slow speed, also include:
If calling instruction in being not detected by the second preset duration together or calling outward instruction together, then control described elevator door and perform switch gate action；
If described second infrared light curtain detection unit detects shelter in same position, then send information to the Surveillance center that there is correspondence with described apparatus for controlling elevator.
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| CN201610356086.0A CN105775946B (en) | 2016-05-25 | 2016-05-25 | A kind of apparatus for controlling elevator and method |
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Cited By (12)
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| CN107265223A (en) * | 2017-05-20 | 2017-10-20 | 郎野 | Elevator floor calling set infrared detecting device |
| CN107500099A (en) * | 2017-09-07 | 2017-12-22 | 宁波赛福特电子有限公司 | A kind of multifunctional lift light curtain |
| CN109019267A (en) * | 2018-10-26 | 2018-12-18 | 电子科技大学 | A kind of elevator door sub-controlling unit for preventing children from individually taking |
| CN110540121A (en) * | 2019-09-09 | 2019-12-06 | 广州广日电梯工业有限公司 | system and method for identifying foreign matters in sliding groove of elevator sill |
| CN110775753A (en) * | 2018-07-25 | 2020-02-11 | 奥的斯电梯公司 | Method and apparatus for elevator detection of hidden objects and notification of building management system |
| CN110950208A (en) * | 2019-11-12 | 2020-04-03 | 浙江新再灵科技股份有限公司 | Semantic segmentation-based method for prohibiting electric vehicle from entering elevator and going upwards in linkage manner |
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| CN112573316A (en) * | 2020-12-08 | 2021-03-30 | 成都睿瞳科技有限责任公司 | Elevator trapping detection method based on computer vision |
| CN112723115A (en) * | 2020-08-11 | 2021-04-30 | 猫岐智能科技（上海）有限公司 | Elevator and voice recognition method thereof |
| CN112938718A (en) * | 2021-01-28 | 2021-06-11 | 武汉晋松科技有限公司 | Elevator light curtain failure self-checking method and device |
| CN113240865A (en) * | 2021-04-21 | 2021-08-10 | 安徽源泽智能科技有限公司 | Self-service silver-colored pavilion is prevented following peep-proof integration mechanism and system thereof |
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| CN107265223A (en) * | 2017-05-20 | 2017-10-20 | 郎野 | Elevator floor calling set infrared detecting device |
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| CN110775753A (en) * | 2018-07-25 | 2020-02-11 | 奥的斯电梯公司 | Method and apparatus for elevator detection of hidden objects and notification of building management system |
| CN109019267A (en) * | 2018-10-26 | 2018-12-18 | 电子科技大学 | A kind of elevator door sub-controlling unit for preventing children from individually taking |
| CN110540121A (en) * | 2019-09-09 | 2019-12-06 | 广州广日电梯工业有限公司 | system and method for identifying foreign matters in sliding groove of elevator sill |
| CN110950208A (en) * | 2019-11-12 | 2020-04-03 | 浙江新再灵科技股份有限公司 | Semantic segmentation-based method for prohibiting electric vehicle from entering elevator and going upwards in linkage manner |
| CN112723115A (en) * | 2020-08-11 | 2021-04-30 | 猫岐智能科技（上海）有限公司 | Elevator and voice recognition method thereof |
| CN112320525A (en) * | 2020-11-18 | 2021-02-05 | 日立楼宇技术（广州）有限公司 | Method and device for clearing elevator obstacle, computer equipment and storage medium |
| CN112320525B (en) * | 2020-11-18 | 2022-04-29 | 日立楼宇技术（广州）有限公司 | Method and device for clearing elevator obstacle, computer equipment and storage medium |
| CN112573316A (en) * | 2020-12-08 | 2021-03-30 | 成都睿瞳科技有限责任公司 | Elevator trapping detection method based on computer vision |
| CN112938718A (en) * | 2021-01-28 | 2021-06-11 | 武汉晋松科技有限公司 | Elevator light curtain failure self-checking method and device |
| CN113240865A (en) * | 2021-04-21 | 2021-08-10 | 安徽源泽智能科技有限公司 | Self-service silver-colored pavilion is prevented following peep-proof integration mechanism and system thereof |
| CN115924670A (en) * | 2023-01-06 | 2023-04-07 | 广东卓梅尼技术股份有限公司 | Automobile elevator automobile in-place detection system |
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