CN109905655B - Method, device and equipment for acquiring elevator car video and storage medium - Google Patents
Method, device and equipment for acquiring elevator car video and storage medium Download PDFInfo
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- CN109905655B CN109905655B CN201711310335.3A CN201711310335A CN109905655B CN 109905655 B CN109905655 B CN 109905655B CN 201711310335 A CN201711310335 A CN 201711310335A CN 109905655 B CN109905655 B CN 109905655B
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Abstract
The embodiment of the invention discloses a method, a device, equipment and a storage medium for acquiring an elevator car video. The method comprises the following steps: acquiring a video signal acquired by a digital camera in at least one elevator car; and sending the video signal to a local signal converter through a cable, so that the local signal converter transmits the video signal to a video server through a local area network. According to the technical scheme of the embodiment of the invention, the digital camera in the elevator car is used for acquiring the video signal, the video signal is transferred through the machine room of the elevator and finally uploaded to the video server, so that all the video signals in the elevator car are stored in the video server, other equipment can acquire the video signal through interaction with the video server when the video server has an acquisition requirement, and the information acquisition efficiency is improved.
Description
Technical Field
The embodiment of the invention relates to an elevator data transmission technology, in particular to a method, a device, equipment and a storage medium for acquiring an elevator car video.
Background
With the continuous development of economic society, high-rise buildings, even super high-rise buildings, are generally present in working and living places of people, and elevators become essential lifting tools for people. How to improve the convenience of elevator use and how to ensure the safety of people using elevators are the problems that various large elevator manufacturers and technicians pay attention to all the time. In the prior art, the elevator waiting personnel outside the hall can not know the conditions of passengers in the elevator car, and can not select a reasonable elevator taking mode according to the actual conditions. In addition, when the elevator is trapped and breaks down, the rescue workers outside the hall are difficult to know the specific situation in the elevator car, and cannot rapidly make proper rescue measures. Therefore, the existing elevator has some inconveniences in use and needs to be improved.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for acquiring an elevator car video, so as to acquire a video picture in an elevator car.
In a first aspect, an embodiment of the present invention provides a method for acquiring an elevator car video, where the method includes: acquiring a video signal acquired by a digital camera in at least one elevator car;
and sending the video signal to a local signal converter through a cable, so that the local signal converter transmits the video signal to a video server through a local area network.
Further, after obtaining the video signal that digital camera in at least one elevator car gathered, still include:
carrying out format conversion on the video signal to obtain a first video signal;
the sending the video signal to a local signal converter through a cable so that the local signal converter uploads the video signal to a video server through a local area network includes:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
In a second aspect, an embodiment of the present invention further provides a method for acquiring an elevator car video, where the method includes:
when receiving a query instruction of a user through an external calling board, establishing network connection with a video server through a local area network;
sending a signal reading instruction to the video server to trigger the video server to send a video signal corresponding to the car where the outer calling board is located to the outer calling board;
and receiving the video signal, generating at least one frame of video image according to the video signal, and displaying the video image on the external calling board.
Further, the establishing a network connection with the video server through the local area network includes:
sending a network connection request to a video server through a local area network to trigger the video server to feed back the network connection request;
and after the feedback information of the video server is obtained, establishing network connection with the video server.
Further, the sending a signal reading instruction to the video server through an external calling board to trigger the video server to send a video signal corresponding to the car where the external calling board is located includes:
and sending a signal reading instruction to the video server to trigger the video server to acquire the number of the outer calling board, determining a video signal corresponding to the car where the outer calling board is located according to the number, and sending the video signal to the outer calling board.
In a third aspect, an embodiment of the present invention further provides an elevator car video obtaining device, including:
the video signal acquisition module is used for acquiring video signals acquired by a digital camera in at least one elevator car;
and the video signal sending module is used for sending the video signal to the local signal converter through a cable so that the local signal converter can transmit the video signal to the video server through the local area network.
Further, the system further comprises a format conversion module, specifically configured to:
after a video signal acquired by a digital camera in at least one elevator car is acquired, carrying out format conversion on the video signal to obtain a first video signal;
the video signal sending module is specifically configured to:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
In a fourth aspect, an embodiment of the present invention further provides an elevator car video obtaining apparatus, including:
the network connection module is used for establishing network connection with the video server through the local area network when receiving a query instruction of a user through the external calling board;
the reading instruction sending module is used for sending a signal reading instruction to the video server so as to trigger the video server to send the video signal corresponding to the car where the outer calling board is located to the outer calling board;
and the video signal receiving module is used for receiving the video signal, generating at least one frame of video image according to the video signal and displaying the video image on the calling board.
In a fifth aspect, an embodiment of the present invention provides an electronic device, where the electronic device includes:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a method of obtaining elevator car video as described in any of the embodiments of the invention.
In a sixth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, implements the method for acquiring an elevator car video according to any one of the embodiments of the present invention.
According to the technical scheme of the embodiment of the invention, the digital camera in the elevator car is used for acquiring the video signal, the video signal is transferred through the machine room of the elevator and finally uploaded to the video server, so that all the video signals in the elevator car are stored in the video server, other equipment can acquire the video signal through interaction with the video server when the video server has an acquisition requirement, and the information acquisition efficiency is improved.
Drawings
Fig. 1 is a flowchart of a method for acquiring an elevator car video according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for acquiring an elevator car video according to a second embodiment of the present invention;
fig. 3a is a flowchart of a method for acquiring an elevator car video according to a third embodiment of the present invention;
fig. 3b is a system framework diagram in a method for acquiring an elevator car video according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an elevator car video acquisition device according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of an elevator car video acquisition device provided by a fifth embodiment of the invention;
fig. 6 is a schematic diagram of a hardware structure of an electronic device according to a sixth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a method for acquiring an elevator car video according to an embodiment of the present invention, where the embodiment is applicable to a situation of acquiring an elevator car video, and the method can be executed by an apparatus for acquiring an elevator car video, where the apparatus can be implemented by software and/or hardware, and specifically includes the following steps:
and S110, acquiring video signals collected by a digital camera in at least one elevator car.
Among them, elevators are widely used in buildings such as office buildings or residential buildings. Each building may contain one or more elevators, each of which may correspond to an elevator car. An elevator car is a box-shaped space used by an elevator to carry and transport people or materials. Generally, the elevator comprises main components such as a car bottom, a car wall, a car roof, a car door and the like. Each car can contain one or more digital cameras, the video signals in the whole car can be acquired by one digital camera, and the video signals can also be acquired by a plurality of digital cameras which can be distributed at different positions in the car to acquire the video signals at different positions in the car.
And S120, sending the video signal to a local signal converter through a cable, so that the local signal converter transmits the video signal to a video server through a local area network.
Wherein, the elevator cable adopts special structural design, long service life, furthest improves elevator manufacturing enterprise's operating efficiency. In the embodiment of the invention, the elevator can be transmitted to the machine room of the elevator along with the common cable in the cable, and the machine room of the elevator can comprise a traction machine, a control cabinet, a speed limiter and the like and is generally positioned at the top layer of a building. In the embodiment of the invention, the video signal can be sent to a local signal converter of a machine room, and specifically can be sent to a PLC module in the machine room. And after receiving the video signal, the PLC module uploads the video signal to a video server through a local area network. It should be noted that the location of the video server is not limited, and one or more video servers may be provided, all cars may correspond to one video server, a group of cars may correspond to one video server, or cars and video servers may correspond one to one, which is not limited in the embodiment of the present invention. The video server can store the video signals of all the cars, and can perform processing such as information superposition or forwarding on the video signals.
According to the technical scheme of the embodiment of the invention, the digital camera in the elevator car is used for acquiring the video signal, the video signal is transferred through the machine room of the elevator and finally uploaded to the video server, so that all the video signals in the elevator car are stored in the video server, other equipment can acquire the video signal through interaction with the video server when the video server has an acquisition requirement, and the information acquisition efficiency is improved.
On the basis of the technical scheme, after the video signal that digital camera in obtaining at least one elevator car gathered, still include:
carrying out format conversion on the video signal to obtain a first video signal;
the sending the video signal to a local signal converter through a cable so that the local signal converter uploads the video signal to a video server through a local area network includes:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
The digital camera can acquire digital signals, and the digital signals can be transmitted only through optical fibers, so that after the video signals acquired by the digital camera are acquired, format conversion can be performed on the video signals, the digital signals are converted into a signal format which can be transmitted through a cable, the first video signals obtained through format conversion are sent to the PLC module, the PLC module performs format inverse conversion on the first video signals to obtain second video signals, the second video signals are digital video signals in format, the second video signals can be transmitted through a network, and the second video signals are uploaded to the video server through the local area network. By format conversion and inverse conversion of the video signal, a signal format convenient for transmission can be obtained, the realizability of the scheme is improved, and obstacles are avoided in the signal transmission process.
Example two
Fig. 2 is a flowchart of an elevator car video obtaining method according to a second embodiment of the present invention, where this embodiment is applicable to the case of obtaining an elevator car video, and the method can be executed by an elevator car video obtaining device, where the device can be implemented by software and/or hardware, and specifically includes the following steps:
s210, when receiving a query instruction of a user through the external calling board, establishing network connection with the video server through the local area network.
The elevator external calling board is one of indispensable parts of an elevator, and specifically comprises a display screen, a touch button or a mechanical button and the like. The user can input a calling command through the buttons on the external calling board to achieve the purpose of calling the elevator. The user can also input an inquiry command in the external calling board, so that the purpose of inquiring the manned condition in the car is realized. Generally, the same car can be provided with an external calling board at each floor. When one or more external calling boards receive the query instruction, the external calling boards and the video server can be connected through the local area network, so that communication can be established through the local area network. Wherein, the video server can store the video signals in all elevator cars.
Optionally, the establishing a network connection with the video server through the local area network includes:
sending a network connection request to a video server through a local area network to trigger the video server to feed back the network connection request;
and after the feedback information of the video server is obtained, establishing network connection with the video server.
The external calling board may send a network connection request to the video server through the local area network, and the video server feeds back the request signal when receiving the request signal, and specifically may select to approve the establishment of the connection or reject the establishment of the connection. And when the video server agrees to establish the connection, the external calling board establishes network connection with the video server.
S220, sending a signal reading instruction to the video server to trigger the video server to send the video signal corresponding to the car where the outer calling board is located to the outer calling board.
The outer calling board can send a signal reading instruction to the video server through the local area network and the video server, and the video server sends a video signal in the car corresponding to the outer calling board after receiving the instruction. The video server can determine the car where the outer calling board is located according to the identity information of the outer calling board sending the video signal, and the identity information can be address information or serial numbers and the like. Optionally, call the board through the outside to video server sends signal reading instruction, in order to trigger video server sends call the video signal that the board place car corresponds outward, include: and sending a signal reading instruction to the video server to trigger the video server to acquire the number of the outer calling board, determining a video signal corresponding to the car where the outer calling board is located according to the number, and sending the video signal to the outer calling board. Specifically, a matching relationship can exist between the outer calling board and the car, and the car where the outer calling board is located can be determined through the number of the outer calling board. Generally, when a user uses a certain external calling board to input an inquiry command, the specific situation in the car corresponding to the external calling board is required to be inquired, so that the video server can accurately send the video signal required by the user to the corresponding external calling board by using the above mode.
And S230, receiving the video signal, generating at least one frame of video image according to the video signal, and displaying the video image on the external calling board.
The display screen of the external calling board can be a liquid crystal display with a display function. After receiving the video signal, the external calling board may store the video image in a frame buffer of the system according to at least one frame of video image of the video signal, and then obtain a final image to be displayed through a composition operation, and transmit the image to be displayed to display hardware, where the display hardware may include a display controller and a display screen, so that the image to be displayed is finally displayed on the display screen.
The specific application scenario of the embodiment of the invention can be that when the elevator breaks down, rescue workers outside the hall can input a query instruction through the outer calling board to obtain the actual situation in the elevator car, and then quickly make a proper rescue measure according to the actual situation, so that secondary accidents are avoided, the rescue time is saved, and the rescue workers outside the hall can also input the query instruction through the touch buttons or the mechanical buttons on the outer calling board to query the passenger carrying situation in the elevator car. And selecting a more reasonable travel mode according to the passenger carrying condition. For example, when there is only one elevator, the elevator can be called or the walking stairs can be adopted according to the actual situation. When a plurality of elevators which can be dispatched independently can be selected, the passenger carrying conditions in a plurality of elevator cars can be inquired, and the appropriate elevator can be selected by synthesizing the conditions in the plurality of elevators.
According to the technical scheme of the embodiment of the invention, the external calling board is connected with the video server through the local area network, so that the video signal in the elevator car can be obtained, people outside a hall can visually know the internal situation of the car, reference conditions are provided for a user to select a reasonable travel scheme, and a maintenance worker can conveniently establish a proper rescue mode according to the obtained video signal under the condition that the elevator breaks down. The technical scheme provides convenience for the user, can better meet the actual requirements of the user, improves the user experience, and has strong practicability.
EXAMPLE III
Fig. 3a is a flowchart of an elevator car video obtaining method provided by a third embodiment of the present invention, where the third embodiment of the present invention provides a preferred embodiment, and the present embodiment is applicable to the case of obtaining an elevator car video, and the method can be executed by an elevator car video obtaining device, which can be implemented by software and/or hardware, and specifically includes the following steps:
s310, a camera collects a car video signal.
And S320, transmitting the video signal to a PLC module of the car top.
S330, the PLC module on the car roof transmits the video signal to the PLC module of the machine room through the accompanying cable.
And S340, transmitting the video signal to a video server through a local area network by the PLC module of the machine room.
And S350, all the external calling boards acquire video signals from the video server to display.
Fig. 3b is a system framework diagram in a method for acquiring an elevator car video according to a third embodiment of the present invention. The camera is installed in elevator car for acquire video signal, video signal is transmitted to the PLC module of computer lab along with the cable by the elevator after PLC module conversion, and the PLC module of computer lab inserts video signal into the LAN, uploads video signal to video server, and video server can handle the video signal of all cameras. The external calling board is accessed to the local area network, and acquires corresponding video signals from the video server for displaying.
Example four
Fig. 4 is a schematic structural diagram of an elevator car video acquisition device provided in a fourth embodiment of the present invention, which can execute any elevator car video acquisition method provided in the fourth embodiment of the present invention, and can be implemented by software and/or hardware, and the device includes:
the video signal acquisition module 410 is used for acquiring video signals acquired by a digital camera in at least one elevator car;
the video signal sending module 420 is configured to send the video signal to a local signal converter through a cable, so that the local signal converter transmits the video signal to a video server through a local area network.
Further, the system further comprises a format conversion module, specifically configured to:
after a video signal acquired by a digital camera in at least one elevator car is acquired, carrying out format conversion on the video signal to obtain a first video signal;
the video signal sending module 420 is specifically configured to:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
The elevator car video acquisition device can execute the elevator car video acquisition method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the elevator car video acquisition method.
EXAMPLE five
Fig. 5 is a schematic structural diagram of an elevator car video acquisition device provided in a fifth embodiment of the present invention, which can execute any elevator car video acquisition method provided in the fifth embodiment of the present invention, and can be implemented by software and/or hardware, and the device includes:
a network connection module 510, configured to establish a network connection with a video server through a local area network when receiving a query instruction of a user through an external call board;
a reading instruction sending module 520, configured to send a signal reading instruction to the video server, so as to trigger the video server to send a video signal corresponding to the car where the external calling board is located to the external calling board;
a video signal receiving module 530, configured to receive the video signal, generate at least one frame of video image according to the video signal, and display the video image on the external calling board.
Further, the network connection module 510 is specifically configured to:
sending a network connection request to a video server through a local area network to trigger the video server to feed back the network connection request;
and after the feedback information of the video server is obtained, establishing network connection with the video server.
Further, the video signal receiving module 530 is specifically configured to:
and sending a signal reading instruction to the video server to trigger the video server to acquire the number of the outer calling board, determining a video signal corresponding to the car where the outer calling board is located according to the number, and sending the video signal to the outer calling board.
The elevator car video acquisition device can execute the elevator car video acquisition method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the elevator car video acquisition method.
EXAMPLE six
Fig. 6 is a schematic diagram of a hardware structure of an electronic device according to a sixth embodiment of the present invention, and as shown in fig. 6, the electronic device includes:
one or more processors 610, one processor 610 being exemplified in fig. 6;
a memory 620;
the electronic device may further include: an input device 630 and an output device 640.
The processor 610, the memory 620, the input device 630 and the output device 640 in the electronic device may be connected by a bus or other means, and fig. 6 illustrates an example of connection by a bus.
The memory 620, as a non-transitory computer-readable storage medium, can be used for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to an elevator car video acquisition method in the embodiment of the present application (for example, the video signal acquisition module 410 and the video signal transmission module 420 shown in fig. 4, or the network connection module 510 and the read instruction transmission module 520 shown in fig. 5). The processor 610 executes various functional applications and data processing of the elevator control system or the elevator external calling board by operating software programs, instructions and modules stored in the memory 620, that is, implements the method for acquiring the elevator car video applied to the elevator control system of the above method embodiment, or implements the method for acquiring the elevator car video applied to the elevator external calling board of the above method embodiment.
The memory 620 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the electronic device, and the like. Further, the memory 620 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 620 optionally includes memory located remotely from processor 610, which may be connected to the terminal device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 630 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the electronic device. The output device 640 may include a display device such as a display screen.
EXAMPLE seven
The seventh embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for acquiring the video of the elevator car applied to the elevator control system as provided in all the embodiments of the present invention of the present application. The method comprises the following steps:
acquiring a video signal acquired by a digital camera in at least one elevator car;
and sending the video signal to a local signal converter through a cable, so that the local signal converter transmits the video signal to a video server through a local area network.
The method for acquiring the elevator car video applied to the elevator outer calling board can be further realized. The method comprises the following steps:
when receiving a query instruction of a user through an external calling board, establishing network connection with a video server through a local area network;
sending a signal reading instruction to the video server to trigger the video server to send a video signal corresponding to the car where the outer calling board is located to the outer calling board;
and receiving the video signal, generating at least one frame of video image according to the video signal, and displaying the video image on the external calling board.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. An elevator car video acquisition method is characterized by comprising the following steps:
acquiring a video signal acquired by a digital camera in at least one elevator car;
sending the video signal to a local signal converter located in a machine room through a cable, so that the local signal converter transmits the video signal to a video server through a local area network; the method comprises the steps that a video server receives a signal reading instruction generated according to an inquiry instruction initiated by a user through an outer calling board, acquires the number of the outer calling board, determines a video signal corresponding to a car where the outer calling board is located according to the number, and returns the video signal through a local area network, so that a video image generated according to the video signal is displayed in the outer calling board, and a display screen of the outer calling board is a liquid crystal display with a display function.
2. The method of claim 1, after acquiring the video signals collected by the digital cameras in the at least one elevator car, further comprising:
carrying out format conversion on the video signal to obtain a first video signal;
the sending the video signal to a local signal converter through a cable so that the local signal converter uploads the video signal to a video server through a local area network includes:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
3. An elevator car video acquisition method is characterized by comprising the following steps:
when receiving a query instruction of a user through an external calling board, establishing network connection with a video server through a local area network;
sending a signal reading instruction to the video server to trigger the video server to send a video signal corresponding to the car where the outer calling board is located to the outer calling board, wherein the video signal stored in the video server is from a local signal converter of an elevator machine room, and the local signal converter receives the video signal collected by a digital camera in the elevator car through a cable and uploads the video signal to the video server through a local area network;
receiving the video signal, generating at least one frame of video image according to the video signal, and displaying the video image on the external calling board, wherein a display screen of the external calling board is a liquid crystal display with a display function;
the to video server sends signal reading instruction to trigger video server will call the video signal that board place car corresponds outward and send to call the board outward, include:
and sending a signal reading instruction to the video server to trigger the video server to acquire the number of the outer calling board, determining a video signal corresponding to the car where the outer calling board is located according to the number, and sending the video signal to the outer calling board.
4. The method of claim 3, wherein establishing the network connection with the video server via the local area network comprises:
sending a network connection request to a video server through a local area network to trigger the video server to feed back the network connection request;
and after the feedback information of the video server is obtained, establishing network connection with the video server.
5. An elevator car video acquisition device, comprising:
the video signal acquisition module is used for acquiring video signals acquired by a digital camera in at least one elevator car;
the video signal sending module is used for sending the video signal to a local signal converter located in a machine room through a cable so that the local signal converter can transmit the video signal to a video server through a local area network; the method comprises the steps that a video server receives a signal reading instruction generated according to an inquiry instruction initiated by a user through an outer calling board, acquires the number of the outer calling board, determines a video signal corresponding to a car where the outer calling board is located according to the number, and returns the video signal through a local area network, so that a video image generated according to the video signal is displayed in the outer calling board, and a display screen of the outer calling board is a liquid crystal display with a display function.
6. The apparatus of claim 5, further comprising a format conversion module, specifically configured to:
after a video signal acquired by a digital camera in at least one elevator car is acquired, carrying out format conversion on the video signal to obtain a first video signal;
the video signal sending module is specifically configured to:
and sending the first video signal to a local signal converter through a cable, so that the local signal converter performs format inverse conversion on the first video signal to obtain a second video signal, and uploading the second video signal to a video server through a local area network.
7. An elevator car video acquisition device, comprising:
the network connection module is used for establishing network connection with the video server through the local area network when receiving a query instruction of a user through the external calling board;
the reading instruction sending module is used for sending a signal reading instruction to the video server so as to trigger the video server to send a video signal corresponding to the car where the outer calling board is located to the outer calling board, wherein the video signal stored in the video server is from a local signal converter of an elevator machine room, and the local signal converter receives the video signal collected by a digital camera in the elevator car through a cable and uploads the video signal to the video server through a local area network;
the video signal receiving module is used for receiving the video signal, generating at least one frame of video image according to the video signal and displaying the video image on the external calling board, wherein a display screen of the external calling board is a liquid crystal display with a display function;
the video signal receiving module is specifically configured to:
and sending a signal reading instruction to the video server to trigger the video server to acquire the number of the outer calling board, determining a video signal corresponding to the car where the outer calling board is located according to the number, and sending the video signal to the outer calling board.
8. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method of obtaining elevator car video of any of claims 1-4.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out the method of acquiring elevator car video according to any one of claims 1 to 4.
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| CN102096985A (en) * | 2010-12-31 | 2011-06-15 | 朱继山 | Community security protection control system |
| CN204022170U (en) * | 2014-06-11 | 2014-12-17 | 谢琮玖 | For the supervisory system of elevator |
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| KR20030047343A (en) * | 2001-12-10 | 2003-06-18 | 삼우정보기술 주식회사 | System for watch and management using internet |
| CN1889681A (en) * | 2005-07-29 | 2007-01-03 | 上海新时达电气有限公司 | Elevator long-distance monitorng device based on TCP/IP technology |
| KR101023153B1 (en) * | 2009-03-31 | 2011-03-18 | 신광엘리베이터(주) | Observation system for dangerous situation in elevator car |
| CN205076587U (en) * | 2015-11-11 | 2016-03-09 | 四川汇辰精密机械有限公司 | Humanized design's vertical lift elevator |
| CN106210671A (en) * | 2016-09-13 | 2016-12-07 | 成都创慧科达科技有限公司 | A kind of lift car video signal transmission system and method |
| CN206720508U (en) * | 2017-04-07 | 2017-12-08 | 江苏富泰物联网科技有限公司 | Internet of Things intelligent elevator safety monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102096985A (en) * | 2010-12-31 | 2011-06-15 | 朱继山 | Community security protection control system |
| CN204022170U (en) * | 2014-06-11 | 2014-12-17 | 谢琮玖 | For the supervisory system of elevator |
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