CN111792480A - Monitoring system for elevator and elevator - Google Patents
Monitoring system for elevator and elevator Download PDFInfo
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- CN111792480A CN111792480A CN202010783239.6A CN202010783239A CN111792480A CN 111792480 A CN111792480 A CN 111792480A CN 202010783239 A CN202010783239 A CN 202010783239A CN 111792480 A CN111792480 A CN 111792480A
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- car
- machine room
- carrier device
- monitoring system
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 78
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Classifications
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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
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
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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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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
A monitoring system for an elevator, the elevator comprising a car and a machine room; the car and the machine room are connected together through a traveling cable; the monitoring system comprises a car side power carrier device arranged in the car and a machine room side power carrier device arranged in the machine room; the car side power carrier device is connected with the machine room side power carrier device through the traveling cable; the monitoring system is arranged to perform bidirectional information transmission and bidirectional power transmission between the car and the machine room; the car-side power carrier device and the machine room-side power carrier device are configured to provide an uninterrupted power supply. The disclosure also relates to an elevator comprising said monitoring system.
Description
Technical Field
The present disclosure relates to a monitoring system for an elevator. The disclosure also relates to an elevator comprising said monitoring system.
Background
In prior art elevator monitoring, the monitoring devices and the car present in the car are supplied with power by alternating current (mains electricity) and the various devices and machine rooms present in the machine room are also supplied with power by alternating current. This solution does not fully meet the requirements of the chinese regulations, i.e. it does not support full-link video and data streams after a failure of the alternating current (mains) for uninterrupted remote monitoring according to some local city regulations.
Disclosure of Invention
In order to address one or more of the above-identified deficiencies in the prior art, according to one aspect of the present disclosure a monitoring system for an elevator is presented, the elevator comprising a car and a machine room.
The car and the machine room are connected together through a traveling cable.
The monitoring system comprises a car side power carrier device arranged in the car and a machine room side power carrier device arranged in the machine room.
The car side power carrier device is connected with the machine room side power carrier device through the traveling cable.
The monitoring system is arranged for bidirectional information transfer and bidirectional power transfer between the car and the machine room.
The car-side power carrier device and the machine room-side power carrier device are configured to provide an uninterrupted power supply.
According to the above aspect of the present disclosure, the machine room-side power carrier device includes a machine room-side power management module.
The machine room-side power management module is switchable between an ac power source and a machine room-side backup power source disposed in the machine room or in the elevator hoistway.
The machine room side power management module is configured to provide power to the machine room through the alternating current power supply when the alternating current power supply is not faulty.
The machine room side power management module is further configured to provide power to the machine room through the machine room side backup power supply when the alternating current power supply fails.
According to the above aspects of the present disclosure, the machine room-side power management module can supply power to the car-side power carrier device through the travelling cable.
The car-side power carrier device supplies the electric power to the car.
According to the above aspects of the present disclosure, the car-side power carrier device includes a car-side power management module.
The car side power management module is switchable between an alternating current power source and a car side backup power source provided in the car.
The car side power management module is configured to provide power to the car through the ac power source when the ac power source is not malfunctioning.
The car side power management module is further configured to provide power to the car through the car side backup power supply when the alternating current power supply fails.
The car side power management module provides power for a display device and a video acquisition device which are arranged in the car.
According to the above aspects of the present disclosure, the machine room-side power carrier apparatus further includes a machine room-side charging module.
The machine room side charging module is configured to charge the machine room side standby power supply by using the alternating current power supply.
According to the above aspects of the present disclosure, the car-side power carrier device further includes a car-side charging module.
The car-side charging module is provided to charge the car-side backup power supply with the alternating-current power supply.
According to the above aspects of the present disclosure, the car-side power carrier device further includes a car-side data acquisition, transmission and reception module.
The car side data acquisition, transmission and receiving module is provided with a car side data acquisition interface and a car side data transmission and receiving interface.
The car side data acquisition, transmission and receiving module acquires car state information detected by a sensor arranged in the car through the car side data acquisition interface.
And the car side data transmission and receiving interface transmits the car state information to the machine room side power line carrier device through the traveling cable.
The car side data acquisition, transmission and receiving module receives control information transmitted by the traveling cable from the machine room side power carrier device through the car side data transmission and receiving interface.
According to the above aspects of the disclosure, the car side data collecting, transmitting and receiving module collects the video data from the video collecting device through the car side data collecting interface.
And the car side data transmission and reception interface transmits the video data to the machine room side power line carrier device through the traveling cable.
According to the above aspects of the disclosure, the car-side data collecting, transmitting and receiving module is further configured to display the car state information on the display device through a car-side data transmitting and receiving interface and display the control information transmitted from the machine room-side power carrier device via the traveling cable.
According to the above aspects of the present disclosure, the car-side data acquisition interface and the car-side data transmission and reception interface are both interfaces based on a local area network protocol.
According to the above aspects of the present disclosure, the room-side power management module supplies power to a video storage device and a Data Transfer Unit (DTU) provided in the room.
According to the above aspects of the present disclosure, the computer room-side power carrier apparatus further includes a computer room-side data transmission and reception module.
The machine room side data transmission and receiving module is provided with a machine room side data transmission and receiving interface.
The machine room side data transmission and receiving module receives car state information transmitted by the traveling cable from the car side power carrier device through the machine room side data transmission and receiving interface.
The machine room side data transmission receiving interface transmits the car state information and the video data to the Data Transmission Unit (DTU).
The computer room side data transmission and receiving interface also transmits the video data to the video storage device.
According to the above aspects of the disclosure, the machine room side data transmission and reception interface is an interface based on a local area network protocol.
According to the above aspects of the present disclosure, the Data Transmission Unit (DTU) can obtain control information from a main controller provided in the machine room.
According to the above aspects of the present disclosure, the data transmission unit transmits the received car state information, the video data, and the control information to a cloud remote platform.
According to the above aspects of the disclosure, the data transmission unit receives the processing information and the voice information from the cloud remote platform and transmits the processing information and the voice information to the car through the machine room side power carrier device, the traveling cable and the car side power carrier device.
The voice information can be played through the video acquisition device.
According to the above aspects of the present disclosure, the control information includes a running speed of the car, a stopping position of the car.
The car state information includes temperature, humidity, noise level and car vibration within the car.
According to the above aspects of the disclosure, the processing information is formed by analyzing and processing the car state information, the video data and the control information by the cloud remote platform.
According to the above aspects of the present disclosure, the trailing cable is a power line.
The power line is configured to enable bidirectional information transmission and bidirectional power transmission between the car-side power carrier device and the machine-room-side power carrier device.
According to another aspect of the present disclosure an elevator is presented, which elevator comprises a monitoring system as described above.
The technical solution according to the present disclosure improves the prior art in several respects:
the remote monitoring system has the capability of remotely monitoring the continuous video and the running state of the conventional standby direct-current power supply elevator. The ability to provide flexibility in placing sensors and video capture devices (e.g., cameras) in the car to meet emerging needs is provided. The information communication between the lift car and the machine room adopts the power line of alternating current illumination, and the cost benefit of installation and maintenance is realized.
So that the manner in which the disclosure is made in detail herein can be better understood, and in which the contributions to the art may be better appreciated, the disclosure has been summarized rather broadly. There are, of course, embodiments of the disclosure that will be described below and which will form the subject matter of the claims appended hereto.
As such, those skilled in the art will appreciate that the conception upon which this disclosure is based may readily be utilized as a basis for the designing of other structures, methods and systems for carrying out the several purposes of the present disclosure. It is important, therefore, that the appended claims be regarded as including such equivalent constructions insofar as they do not depart from the spirit and scope of the present disclosure.
Drawings
The present disclosure will be better understood and its advantages will become more apparent to those skilled in the art from the following drawings. The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations and are not intended to limit the scope of the present disclosure.
Fig. 1 shows a monitoring system for an elevator according to the present disclosure, wherein the elevator comprises a car and a machine room.
Detailed Description
A specific embodiment according to the present disclosure is specifically described below with reference to fig. 1.
According to one embodiment of the present disclosure a monitoring system for an elevator is presented, which elevator comprises a car 1 and a machine room 2.
The car 1 and the machine room 2 are connected together through a traveling cable 3.
The monitoring system comprises a car side power carrier device 1-1 arranged in the car 1 and a machine room side power carrier device 2-1 arranged in the machine room 2.
The car side power carrier device 1-1 is connected with the machine room side power carrier device 2-1 through the traveling cable 3.
The monitoring system is arranged for bidirectional information transmission and bidirectional power transmission between the car 1 and the machine room 2.
The car-side power carrier device 1-1 and the machine room-side power carrier device 2-1 are provided so as to be able to provide uninterrupted power supply.
According to the above embodiment of the present disclosure, the machine room side power carrier device 2-1 includes the machine room side power management module 2-1-1.
The machine room side power management module 2-1-1 is capable of switching between an alternating current power source (AC220V) and a machine room side backup power source 2-2(DC12V) provided in the machine room or in the elevator hoistway.
The machine room side power management module 2-1-1 is configured to supply power to the machine room 2 through the ac power supply when the ac power supply is not malfunctioning.
The machine room side power management module 2-1-1 is further configured to provide power to the machine room 2 through the machine room side backup power supply 2-2 when the ac power supply fails.
According to the above embodiments of the present disclosure, the machine room-side power management module 2-1-1 can provide power to the car-side power carrier device 1-1 through the traveling cable 3.
The car-side power carrier device 1-1 supplies the electric power to the car 1 again.
According to the above embodiments of the present disclosure, the car side power carrier device 1-1 includes the car side power management module 1-1-1.
The car-side power management module 1-1-1 is capable of switching between an alternating current power supply (AC220V) and a car-side backup power supply 1-2(DC12V) provided in the car 1.
The car side power management module 1-1-1 is configured to supply power to the car 1 through the ac power supply when the ac power supply is not malfunctioning.
The car side power management module 1-1-1 is further configured to provide power to the car 1 through the car side backup power supply 1-2 when the ac power supply fails.
The car side power management module 1-1-1 supplies power to a display device 4 and a video capture device 5 provided in the car 1.
According to the above embodiments of the present disclosure, the machine room-side power carrier device 2-1 further includes a machine room-side charging module 2-1-2.
The machine room side charging module 2-1-2 is configured to charge the machine room side backup power supply 2-2 with the alternating current power supply.
According to the above embodiments of the present disclosure, the car-side power carrier device 1-1 further includes a car-side charging module 1-1-2.
The car-side charging module 1-1-2 is provided to charge the car-side backup power supply 1-2 with the alternating-current power supply.
According to the above embodiments of the present disclosure, the car-side power carrier device 1-1 further includes a car-side data acquisition, transmission and reception module 1-1-3.
The car side data acquisition, transmission and receiving module 1-1-3 is provided with a car side data acquisition interface and a car side data transmission and receiving interface.
The car side data acquisition, transmission and reception module 1-1-3 acquires car state information detected by a sensor arranged in the car through the car side data acquisition interface.
And the car side data transmission and receiving interface transmits the car state information to the machine room side power line carrier device 2-1 through the traveling cable.
The car side data acquisition, transmission and receiving module 1-1-3 receives control information transmitted by the traveling cable 3 from the machine room side power carrier device 2-1 through the car side data transmission and receiving interface.
According to the above embodiments of the present disclosure, the car-side data collecting, transmitting and receiving module 1-1-3 collects the video data from the video collecting device 5 through the car-side data collecting interface.
And the data transmission and receiving interface on the car side transmits the video data to the power carrier device 2-1 on the machine room side through the traveling cable.
According to the above embodiments of the present disclosure, the car-side data collecting, transmitting and receiving module 1-1-3 is further configured to display the car state information on the display device 4 through a car-side data transmitting and receiving interface and display the control information transmitted from the machine room-side power carrier device 2-1 via the traveling cable 3.
According to the above embodiments of the present disclosure, the car-side data acquisition interface and the car-side data transmission and reception interface are both local area network protocol (TCP/IP) based interfaces.
According to the above-described respective embodiments of the present disclosure, the room-side power management module 2-1-1 supplies power to the video storage device 6 and the Data Transmission Unit (DTU)7 provided in the room.
According to the above embodiments of the present disclosure, the machine room-side power carrier device 2-1 further includes a machine room-side data transmission and reception module 2-1-3.
The machine room side data transmission and receiving module 2-1-3 is provided with a machine room side data transmission and receiving interface.
The machine room side data transmission and reception module 2-1-3 receives the car state information transmitted by the traveling cable 3 from the car side power carrier device 1-1 through the machine room side data transmission and reception interface.
The machine room side data transmission receiving interface transmits the car state information and the video data to the Data Transmission Unit (DTU) 7.
The machine room side data transmission and reception interface also transmits the video data to the video storage device 6.
According to the above embodiments of the present disclosure, the machine room side data transmission and reception interface is a local area network protocol (TCP/IP) based interface.
According to the above-described respective embodiments of the present disclosure, the Data Transmission Unit (DTU)7 can obtain control information from the main controller 8 provided in the machine room 2.
According to the above embodiments of the present disclosure, the data transmission unit 7 transmits the received car state information, the video data, and the control information to the cloud remote platform 9.
According to the above embodiments of the present disclosure, the data transmission unit 7 receives the processing information and the voice information from the cloud remote platform 9 and transmits the processing information and the voice information to the car 1 through the machine room-side power carrier device 2-1, the traveling cable 3 and the car-side power carrier device 1-1.
The voice information can be played back by the video capture device 5, for example, by a speaker (not shown) provided in the video capture device 5.
A sound pickup device (not shown), such as a microphone, for picking up sounds in the car, such as sounds from passengers, may also be provided in the video pickup device 5.
According to the monitoring system of the present disclosure, continuous video acquisition and operation state remote monitoring capability for the elevator is achieved due to uninterrupted power supply.
According to the above embodiments of the present disclosure, the control information includes, but is not limited to, the running speed of the car 1, the stopping position of the car.
The car state information includes, but is not limited to, temperature, humidity, noise level and car vibration in the car as detected by sensors. This provides the flexibility to place sensors and video capture devices (e.g., cameras) in the car to meet emerging needs.
According to the above embodiments of the present disclosure, the processing information is formed by analyzing and processing the car state information, the video data, and the control information by the cloud remote platform 9.
According to the above-described respective embodiments of the present disclosure, the trailing cable 3 is a power line.
The power line is configured to enable bidirectional information transmission and bidirectional power transmission between the car-side power carrier device 1-1 and the machine room-side power carrier device 2-1, which achieves cost-effectiveness in installation and maintenance.
According to another embodiment of the present disclosure, an elevator is presented, which comprises a monitoring system as described above.
The foregoing disclosure provides illustration and description, but is not intended to be exhaustive or to limit the embodiments to the precise form disclosed. Modifications and variations are possible in light of the above disclosure or may be acquired from practice of the embodiments.
Even though particular combinations of features are recited in the claims and/or disclosed in the specification, these combinations are not intended to limit the disclosure of the various embodiments. In fact, many of these features may be combined in ways not specifically recited in the claims and/or disclosed in the specification. Although each dependent claim listed below may depend directly on only one claim, the disclosure of various embodiments includes each dependent claim in combination with every other claim in the claim set.
No element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such. In addition, as used herein, the articles "a" and "an" are intended to include one or more items, and may be used interchangeably with "one or more". Further, as used herein, the article "the" is intended to include the incorporation of one or more items referenced by the article "the" and may be used interchangeably with "one or more". Further, as used herein, the term "set" is intended to include one or more items (e.g., related items, unrelated items, combinations of related and unrelated items, etc.) and may be used interchangeably with "one or more". Where only one item is intended, the phrase "only one item" or similar language is used. In addition, as used herein, the term "having," variants thereof, and the like are intended to be open-ended terms. Further, the phrase "based on" is intended to mean "based, at least in part, on" unless explicitly stated otherwise. In addition, as used herein, the term "or" when used in series is intended to be inclusive and may be used interchangeably with "and/or" unless specifically stated otherwise (e.g., if used in conjunction with "or" only one of ").
Claims (20)
1. A monitoring system for an elevator, the elevator comprising a car and a machine room;
the car and the machine room are connected together through a traveling cable;
it is characterized in that the preparation method is characterized in that,
the monitoring system comprises a car side power carrier device arranged in the car and a machine room side power carrier device arranged in the machine room;
the car side power carrier device is connected with the machine room side power carrier device through the traveling cable;
the monitoring system is arranged to perform bidirectional information transmission and bidirectional power transmission between the car and the machine room;
the car-side power carrier device and the machine room-side power carrier device are configured to provide an uninterrupted power supply.
2. The monitoring system of claim 1,
the machine room side power carrier device comprises a machine room side power management module;
the machine room side power management module is switchable between an alternating current power source and a machine room side backup power source disposed in the machine room or in an elevator hoistway;
the machine room side power management module is arranged to provide power to the machine room through the alternating current power supply when the alternating current power supply is not in fault;
the machine room side power management module is further configured to provide power to the machine room through the machine room side backup power supply when the alternating current power supply fails.
3. The monitoring system of claim 2,
the machine room side power management module can provide power for the car side power carrier device through the traveling cable;
the car-side power carrier device supplies the electric power to the car.
4. The monitoring system of claim 3,
the car side power carrier device comprises a car side power management module;
the car side power management module is capable of switching between an alternating current power supply and a car side standby power supply arranged in the car;
the car side power management module is configured to provide power to the car through the AC power source when the AC power source is not malfunctioning;
the car side power management module is further configured to provide power to the car through the car side backup power supply when the alternating current power supply fails;
the car side power management module provides power for a display device and a video acquisition device which are arranged in the car.
5. The monitoring system of claim 4,
the machine room side power carrier device also comprises a machine room side charging module;
the machine room side charging module is configured to charge the machine room side standby power supply by using the alternating current power supply.
6. The monitoring system of claim 4,
the car side power carrier device further comprises a car side charging module;
the car-side charging module is provided to charge the car-side backup power supply with the alternating-current power supply.
7. The monitoring system of claim 6,
the car side power carrier device also comprises a car side data acquisition, transmission and receiving module;
the car side data acquisition, transmission and receiving module is provided with a car side data acquisition interface and a car side data transmission and receiving interface;
the car side data acquisition, transmission and reception module acquires car state information detected by a sensor arranged in the car through the car side data acquisition interface;
the car side data transmission and receiving interface transmits the car state information to the machine room side power line carrier device through the traveling cable;
the car side data acquisition, transmission and receiving module receives control information transmitted by the traveling cable from the machine room side power carrier device through the car side data transmission and receiving interface.
8. The monitoring system of claim 7,
the car side data acquisition, transmission and receiving module acquires video data from the video acquisition device through the car side data acquisition interface;
and the car side data transmission and reception interface transmits the video data to the machine room side power line carrier device through the traveling cable.
9. The monitoring system of claim 8,
the car side data acquisition, transmission and receiving module is further configured to display the car state information on the display device through a car side data transmission and receiving interface and display control information transmitted from the machine room side power carrier device through the traveling cable.
10. The monitoring system of claim 9,
the car side data acquisition interface and the car side data transmission receiving interface are both interfaces based on a local area network protocol.
11. The monitoring system of claim 8,
the room-side power management module provides power to a video storage device and a Data Transfer Unit (DTU) disposed in the room.
12. The monitoring system of claim 11,
the machine room side power carrier device also comprises a machine room side data transmission and receiving module;
the machine room side data transmission and receiving module is provided with a machine room side data transmission and receiving interface;
the machine room side data transmission and receiving module receives car state information transmitted by the traveling cable from the car side power carrier device through the machine room side data transmission and receiving interface;
the machine room side data transmission receiving interface transmits the car state information and the video data to the Data Transmission Unit (DTU);
the computer room side data transmission and receiving interface also transmits the video data to the video storage device.
13. The monitoring system of claim 12,
the data transmission and receiving interface at the machine room side is an interface based on a local area network protocol.
14. The monitoring system of claim 13,
the Data Transfer Unit (DTU) is capable of obtaining the control information from a main controller provided in the machine room.
15. The monitoring system of claim 14,
the Data Transmission Unit (DTU) transmits the received car state information, the video data and the control information to a cloud remote platform.
16. The monitoring system of claim 15,
the Data Transmission Unit (DTU) receives processing information and voice information from the cloud remote platform and transmits the processing information and the voice information to the car through the machine room side power carrier device, the traveling cable and the car side power carrier device; wherein
The voice information can be played through the video acquisition device.
17. The monitoring system of claim 16,
the control information comprises the running speed of the car and the stopping position of the car;
the car state information includes temperature, humidity, noise level and car vibration within the car.
18. The monitoring system of claim 17,
the processing information is formed by analyzing and processing the car state information, the video data and the control information by the cloud remote platform.
19. The monitoring system according to any one of claims 1 to 18,
the trailing cable is a power line;
the power line is configured to enable bidirectional information transmission and bidirectional power transmission between the car-side power carrier device and the machine-room-side power carrier device.
20. Elevator, characterized in that it comprises a monitoring system according to one of the preceding claims 1-19.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783239.6A CN111792480A (en) | 2020-08-06 | 2020-08-06 | Monitoring system for elevator and elevator |
| PCT/CN2021/110450 WO2022028446A1 (en) | 2020-08-06 | 2021-08-04 | Monitoring system for elevator, and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010783239.6A CN111792480A (en) | 2020-08-06 | 2020-08-06 | Monitoring system for elevator and elevator |
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| Publication Number | Publication Date |
|---|---|
| CN111792480A true CN111792480A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010783239.6A Pending CN111792480A (en) | 2020-08-06 | 2020-08-06 | Monitoring system for elevator and elevator |
Country Status (2)
| Country | Link |
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| CN (1) | CN111792480A (en) |
| WO (1) | WO2022028446A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028446A1 (en) * | 2020-08-06 | 2022-02-10 | 通力股份公司 | Monitoring system for elevator, and elevator |
| CN114229643A (en) * | 2021-12-20 | 2022-03-25 | 苏州汇川控制技术有限公司 | Well monitoring method, device, equipment and storage medium |
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| CN208684181U (en) * | 2017-11-09 | 2019-04-02 | 哈尔滨工大技术转移有限公司 | A kind of elevator safety room monitoring apparatus |
| CN108773746A (en) * | 2018-07-26 | 2018-11-09 | 通力电梯有限公司 | State of elevator monitoring system and elevator including the system |
| CN212740284U (en) * | 2020-08-06 | 2021-03-19 | 通力电梯有限公司 | Monitoring system for elevator and elevator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022028446A1 (en) * | 2020-08-06 | 2022-02-10 | 通力股份公司 | Monitoring system for elevator, and elevator |
| CN114229643A (en) * | 2021-12-20 | 2022-03-25 | 苏州汇川控制技术有限公司 | Well monitoring method, device, equipment and storage medium |
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| WO2022028446A1 (en) | 2022-02-10 |
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