CN109905654B - 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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Abstract
The embodiment of the invention discloses a method, a device, equipment and a storage medium for acquiring an elevator car video. Accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network, wherein one of the at least two outer calling boards is a first outer calling board; acquiring a video signal acquired by the digital camera through the first external calling board; and broadcasting the video signal through the subnet where the first external calling board is located, so that other external calling boards can acquire the video signal when meeting the video signal receiving requirement. According to the technical scheme of the embodiment of the invention, the external calling boards and the digital camera are accessed into the same subnet in the local area network, one of the external calling boards is utilized to acquire the video signal from the digital camera and broadcast the video signal in the subnet, so that all the external calling boards can acquire the video signal, the information acquisition efficiency is improved, the requirements of users are better met, and the user experience 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:
accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network, wherein one of the at least two outer calling boards is a first outer calling board;
acquiring a video signal acquired by the digital camera through the first external calling board;
and broadcasting the video signal through the subnet where the first external calling board is located, so that other external calling boards can acquire the video signal when meeting the video signal receiving requirement.
Further, still include:
and when the external calling board acquires the video signal, generating and displaying at least one frame of video image according to the video signal.
Further, still include:
when detecting that an external calling board receives a user query instruction, determining that the external calling board has video signal receiving requirements.
In a second aspect, an embodiment of the present invention further provides a method for acquiring an elevator car video, where the method includes:
accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network;
sequentially numbering the at least two outer calling boards;
and acquiring the video signal acquired by the digital camera through a first number calling board, and sequentially requesting the video signal to a previous number calling board through other calling boards.
Further, the requesting the video signal from the previous numbered external calling board sequentially through other external calling boards includes:
and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction.
In a third aspect, an embodiment of the present invention further provides an elevator car video obtaining device, where the device includes:
the system comprises a network access module, a first external calling board and a second external calling board, wherein the network access module is used for accessing at least two external calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network, and one of the at least two external calling boards is the first external calling board;
the video signal acquisition module is used for acquiring the video signal acquired by the digital camera through the first external calling board;
and the video signal broadcasting module is used for broadcasting the video signal through the subnet where the first external calling board is located so as to enable other external calling boards to acquire the video signal when the video signal receiving requirement is met.
Further, the device also comprises an image display module used for:
and when the external calling board acquires the video signal, generating and displaying at least one frame of video image according to the video signal.
Further, still include: a query instruction detection module to:
when detecting that an external calling board receives a user query instruction, determining that the external calling board has video signal receiving requirements.
In a fourth aspect, an embodiment of the present invention further provides an elevator car video obtaining apparatus, where the apparatus includes:
the network connection module is used for connecting at least two outer calling boards corresponding to the same elevator car and the digital cameras in the elevator car into the same subnet of the local area network;
the outer calling board numbering module is used for numbering the at least two outer calling boards in sequence;
and the video signal request module is used for acquiring the video signals collected by the digital camera through the first number outer calling board and sequentially requesting the video signals to the previous number outer calling board through other outer calling boards.
Further, the video signal request module is specifically configured to:
and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction.
In a fifth aspect, an embodiment of the present invention further 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 embodiments of the present invention further provide 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 obtaining the 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 external calling boards and the digital camera are accessed into the same subnet in the local area network, one of the external calling boards is utilized to acquire the video signal from the digital camera and broadcast the video signal in the subnet, so that all the external calling boards can acquire the video signal, the information acquisition efficiency is improved, the requirements of users are better met, and the user experience is improved.
Drawings
Fig. 1a is a flowchart of a method for acquiring an elevator car video according to an embodiment of the present invention;
fig. 1b is a system framework diagram 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. 3 is a schematic structural diagram of an elevator car video acquisition device provided by a third embodiment of the invention;
fig. 4 is a schematic structural diagram of an elevator car video acquisition device provided by a fourth embodiment of the invention;
fig. 5 is a schematic diagram of a hardware structure of an electronic device according to a fifth 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. 1a is a flowchart of an elevator car video obtaining method according to an embodiment of the present invention, where the present embodiment is applicable to the case of elevator car video obtaining, the method may be executed by an elevator car video obtaining device, the device may be implemented by software and/or hardware, the device may be integrated in an elevator control system, and the method includes the following steps:
and S110, accessing at least two outer calling boards corresponding to the same elevator car and the digital cameras in the elevator car into the same subnet of the local area network.
Wherein one of the at least two outer calling boards is a first outer calling board. The selection of the first external calling board can be adjusted according to actual requirements, for example, the external calling board corresponding to the lowest floor can be selected as the first external calling board.
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. The elevator external calling board is one of indispensable parts of an elevator, and specifically can comprise 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. Generally, the same car can be provided with an external calling board at each floor. In addition, each car can contain one or more digital cameras, one digital camera can acquire video signals in the whole car, and a plurality of digital cameras can acquire the video signals, and the digital cameras can be distributed at different positions in the car to acquire the video signals at different positions in the car.
For the same elevator car, the external calling board corresponding to the elevator car and the digital cameras in the elevator car are connected into a local area network, and all the external calling boards and the digital cameras belong to the same subnet, so that network connection is established, and communication between the external calling boards and the digital cameras is realized.
And S120, acquiring the video signal acquired by the digital camera through the first external calling board.
The first external calling board and the digital camera may transmit information through a local area network, and specifically, when the first external calling board sends a video signal request to the digital camera, the digital camera responds to the request and sends the acquired video signal to the first external calling board.
S130, broadcasting the video signal through the subnet where the first external calling board is located, so that other external calling boards can acquire the video signal when the video signal receiving requirement is met.
The first external calling board may broadcast the video signal in the subnet where the first external calling board is located, and specifically, the first external calling board broadcasts the video signal to the IP with the address of 255.255.255.255 in a UDP (User Datagram Protocol) manner. All other external calling boards (such as external calling board 2#, external calling board 3# and the like) in the same subnet can receive the broadcast information, and when the other external calling boards have a video signal receiving requirement, the broadcast information can be responded to, and the video signal can be received. Optionally, when it is detected that the external calling board receives a user query instruction, it is determined that the external calling board has a video signal receiving requirement. When the user has the requirement of inquiring the manned condition in the car, the user can input an inquiry command in the outer calling board.
According to the technical scheme of the embodiment of the invention, the external calling boards and the digital camera are accessed into the same subnet in the local area network, one of the external calling boards is utilized to acquire the video signal from the digital camera and broadcast the video signal in the subnet, so that all the external calling boards can acquire the video signal, the information acquisition efficiency is improved, the requirements of users are better met, and the user experience is improved.
On the basis of the technical scheme, the method further comprises the following steps:
and when the external calling board acquires the video signal, generating and displaying at least one frame of video image according to the video signal.
The external calling board can be any accidental calling board including the first external calling board. The display screen of the outer 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.
Specifically, fig. 1b is a system framework diagram in a method for acquiring an elevator car video according to an 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 first outer board of calling, and first outer board of calling acquires corresponding video signal and shows, and this video signal of broadcast in the LAN, so that other outer boards of calling acquire when possessing video signal receiving demand video signal.
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 elevator car video obtaining, and the method can be executed by an elevator car video obtaining device, which can be implemented by software and/or hardware, and can be generally integrated in an elevator control system, and the method includes the following steps:
s210, at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car are connected to the same subnet of a local area network.
S220, numbering the at least two outer calling boards in sequence.
When numbering the external calling boards, the numbers can be carried out in various ways, and the numbers can be carried out by referring to the positions of the external calling boards or combining the use frequency of each external calling board. The numbering result needs to represent the sequence relationship among all external calling boards, and the numbering can be 1#, 2#. N #, for example.
And S230, acquiring the video signal acquired by the digital camera through the first number external calling board, and sequentially requesting the video signal to the previous number external calling board through other external calling boards.
The first number calling board is connected with a digital camera in the car, and video signals are acquired from the digital camera and displayed. And the other external calling boards are sequentially connected with the external calling board with the previous number, and request the video signal from the external calling board with the previous number. Optionally, the requesting, by other external calling boards, the video signal from the previous external calling board with the number one in sequence includes: and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction. Illustratively, the external calling board 1# obtains a video signal at the digital camera, the external calling board 2# establishes a connection with the external calling board 1# and requests the video signal when receiving a query instruction of a user, and the external calling board 1# sends the video signal to the external calling board 2# after responding to the request. The connection between the external calling board 1# and a camera of the car can be established, video signals are acquired from the camera to be displayed, the connection between the external calling board 2# and the external calling board 1# is established, and the external calling board 1# forwards the video signals to the external calling board 2# while the video signals are acquired from the camera; similarly, the connection between the external calling board 3# and the external calling board 2# is established, the external calling board 2# forwards the video signals to the external calling board 3# while obtaining the video signals, and so on, and all other external calling boards obtain the video signals in the mode to display.
According to the technical scheme of the embodiment of the invention, the external calling boards are numbered sequentially, the video signal is acquired from the digital camera through the external calling board with the first number, and the video signal is acquired from the external calling board with the previous number through the sequence of other external calling boards, so that the video signal is quickly acquired, the information acquisition efficiency is improved, the practicability is better, other equipment is not required to be added, and the cost is low.
EXAMPLE III
Fig. 3 is a schematic structural diagram of an elevator car video acquisition device provided in a third embodiment of the present invention, which can be used in the elevator car video acquisition method provided in any embodiment of the present invention, and the device can be implemented by software and/or hardware, and can be generally integrated in an elevator control system, and the device includes:
the system comprises a network access module 310, a first external calling board and a second external calling board, wherein the network access module 310 is used for accessing at least two external calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network, and one of the at least two external calling boards is the first external calling board;
a video signal acquiring module 320, configured to acquire, through the first external calling board, a video signal acquired by the digital camera;
the video signal broadcasting module 330 is configured to broadcast the video signal through the subnet where the first external calling board is located, so that other external calling boards acquire the video signal when meeting a video signal receiving requirement.
Further, the device also comprises an image display module used for:
and when the external calling board acquires the video signal, generating and displaying at least one frame of video image according to the video signal.
Further, still include: a query instruction detection module to:
when detecting that an external calling board receives a user query instruction, determining that the external calling board has video signal receiving requirements.
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 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 be used in the elevator car video acquisition method provided in any embodiment of the present invention, and the device can be implemented by software and/or hardware, and can be generally integrated in an elevator control system, and the device includes:
the network connection module 410 is used for connecting at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network;
an outer calling board numbering module 420, configured to number the at least two outer calling boards sequentially;
and the video signal request module 430 is configured to acquire a video signal acquired by the digital camera through a first number outer call board, and sequentially request the video signal from a previous number outer call board through other outer call boards.
Further, the video signal requesting module 430 is specifically configured to:
and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction.
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 diagram of a hardware structure of an electronic device according to a fifth embodiment of the present invention, and as shown in fig. 5, the electronic device includes:
one or more processors 510, one processor 510 being illustrated in FIG. 5;
a memory 520;
the electronic device may further include: an input device 530 and an output device 540.
The processor 510, the memory 520, the input device 530 and the output device 540 in the electronic apparatus may be connected by a bus or other means, and fig. 5 illustrates the connection by the bus as an example.
The memory 520 is a non-transitory computer readable storage medium, and can be used to store software programs, computer executable programs, and modules, such as program instructions/modules corresponding to the elevator car video acquisition method in the embodiment of the present application (for example, the network access module 310, the video signal acquisition module 320, and the video signal broadcasting module 330 shown in fig. 3, or the network connection module 410, the outer call board numbering module 420, and the video signal requesting module 430 shown in fig. 4). The processor 510 executes various functional applications and data processing of the elevator control system by executing software programs, instructions and modules stored in the memory 520, namely, implements the method for acquiring the elevator car video in the above-described method embodiment.
The memory 520 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 520 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 520 may optionally include memory located remotely from processor 510, which may be connected to a 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 device 530 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 apparatus. The output device 540 may include a display device such as a display screen.
EXAMPLE six
Sixth 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 obtaining the elevator car video provided in all embodiments of the present invention. The method comprises the following steps:
accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network, wherein one of the at least two outer calling boards is a first outer calling board;
acquiring a video signal acquired by the digital camera through the first external calling board;
and broadcasting the video signal through the subnet where the first external calling board is located, so that other external calling boards can acquire the video signal when meeting the video signal receiving requirement.
The method for acquiring the elevator car video provided by all the invention embodiments of the application can also be realized, and the method comprises the following steps:
accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network;
sequentially numbering the at least two outer calling boards;
and acquiring the video signal acquired by the digital camera through a first number calling board, and sequentially requesting the video signal to a previous number calling board through other calling boards.
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 (4)
1. An elevator car video acquisition method is characterized by comprising the following steps:
accessing at least two outer calling boards corresponding to the same elevator car and a digital camera in the elevator car into the same subnet of a local area network;
combining the use frequency of each external calling board to carry out sequential numbering on the at least two external calling boards;
acquiring a video signal acquired by the digital camera through a first numbered external calling board, and sequentially requesting the video signal to a previous numbered external calling board through other external calling boards;
the said calling board to call the said video signal outside the previous number in proper order through other, include:
and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction.
2. An elevator car video acquisition device, comprising:
the network connection module is used for connecting at least two outer calling boards corresponding to the same elevator car and the digital cameras in the elevator car into the same subnet of the local area network;
the outer calling board numbering module is used for sequentially numbering the at least two outer calling boards by combining the use frequency of each outer calling board;
the video signal request module is used for acquiring video signals collected by the digital camera through a first outer calling board, and sequentially requesting the video signals to a previous outer calling board through other outer calling boards;
the video signal request module is specifically configured to:
and sending a request instruction to a previous numbered external calling board through other external calling boards so that the previous numbered external calling board sends the video signal to other external calling boards after responding to the request instruction.
3. 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 claim 1.
4. A computer-readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, carries out the method of obtaining elevator car video as claimed in claim 1.
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