CN216155239U - Elevator audio and video synchronous transmission system - Google Patents
Elevator audio and video synchronous transmission system Download PDFInfo
- Publication number
- CN216155239U CN216155239U CN202120242785.9U CN202120242785U CN216155239U CN 216155239 U CN216155239 U CN 216155239U CN 202120242785 U CN202120242785 U CN 202120242785U CN 216155239 U CN216155239 U CN 216155239U
- Authority
- CN
- China
- Prior art keywords
- elevator
- video
- carrier communication
- terminal
- audio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides an elevator audio and video synchronous transmission system which comprises an elevator car internal acquisition module, a carrier terminal transmitting end, a carrier terminal receiving end, an industrial switch, a cloud server and a remote module, wherein the elevator car internal acquisition module is connected with the carrier terminal transmitting end; the data collected by the collection module is transmitted to a carrier communication transmitting terminal through a network cable to carry out format conversion of compression and coding; the carrier communication transmitting terminal transmits the signal to a carrier communication receiving terminal in the elevator machine room through a non-shielding double-core cable for format conversion of decompression and decoding; the output end of the carrier communication receiving terminal is connected to the industrial switch through a network cable, and information is transmitted to the cloud server and the remote module through the industrial switch. The utility model has the characteristics of low cost, strong anti-interference capability, long transmission distance and capacity expansion support of the front end.
Description
Technical Field
The utility model mainly relates to the field of elevator information transmission, in particular to an elevator audio and video synchronous transmission system.
Background
In practical application, by using the elevator audio and video synchronous transmission system, a manager can check the condition in the elevator car, realize face-to-face communication with passengers, and pacify the passengers when the elevator is trapped in people and fails, so that panic of the passengers is avoided. At present, the main transmission modes from the elevator car to the elevator machine room comprise wireless transmission and wired transmission. The wireless transmission transmits signals by installing equipment such as a wireless bridge and the like on the top of a car roof and the top of an elevator shaft, and although the installation is convenient, the problems of interference, packet loss, blockage and the like caused by the complex environment of the shaft are not stable; the wired transmission is that the net wire is arranged in the traveling cable to connect the lift car and the elevator machine room, the transmission distance of the net wire is limited to be less than 100 meters, and the arrangement of optical fibers needs fiber melting, so that the cost is high.
Published chinese utility model patent, application No. CN201921726639.2, patent name: elevator video communication appearance, application date: 2019-10-15, the utility model relates to the technical field of communication devices, in particular to an elevator video communication instrument which is arranged on the inner wall of an elevator car, wherein a first sliding rail is arranged on the inner wall of the elevator car, the elevator video communication instrument comprises a display, the rear side of the display is in sliding connection with the first sliding rail, a display height control device is also arranged on the inner wall of the elevator car and is connected with the display, the display height control device comprises a second sliding rail, an adjusting block and an adjusting shaft, the second sliding rail is arranged on the inner wall of the elevator car, a plurality of clamping grooves are formed in the second sliding rail, the adjusting block is movably arranged on the second sliding rail, the adjusting block is hinged to one end of the adjusting shaft, and the other end of the adjusting shaft is hinged to the rear side of the display; the utility model aims to provide an elevator video communication instrument which can monitor the internal condition of an elevator in real time and is suitable for different people when the elevator breaks down. But the structure is complex and relatively costly.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an elevator audio and video synchronous transmission system which comprises an elevator car internal acquisition module, a carrier terminal transmitting end, a carrier terminal receiving end, an industrial switch, a cloud server and a remote module, wherein the elevator car internal acquisition module is connected with the carrier terminal transmitting end;
the data collected by the collecting module is transmitted to a carrier communication transmitting terminal through a network cable to carry out format conversion of compression and coding;
the carrier communication transmitting terminal transmits signals to a carrier communication receiving terminal in an elevator machine room through a non-shielding double-core cable to carry out format conversion of decompression and decoding;
the output end of the carrier communication receiving terminal is connected to the industrial switch through a network cable, and transmits information to the cloud server and the remote module through the industrial switch.
Preferably, the acquisition module comprises an elevator internet of things monitoring device, an audio acquisition device, an emergency alarm device and a video acquisition device.
Preferably, the audio acquisition device adopts a sound pickup device, and the video acquisition device adopts a camera.
Preferably, the unshielded twin cable is arranged along the trailing cable.
Preferably, the carrier communication transmitting terminal is converted into a differential signal of the UTP interface from an ethernet signal of the RJ45 interface, and the carrier communication receiving terminal is converted into an ethernet signal of the RJ45 interface from a differential signal of the UTP interface.
Preferably, the output end of the industrial switch is connected to the cloud server through a broadband or 4G/5G router, the output end of the industrial switch is connected to the network video recorder through a network cable, and the network video recorder transmits information to the LCD splicing screen through a video cable.
Preferably, the input of the industrial switch is connected to a plurality of cameras through serial multipoint or parallel multipoint.
The utility model has the beneficial effects that:
1. the cost is low: the unshielded two-core cable used by the carrier communication terminal can use the cable in the elevator traveling cable without additional wiring, and the scheme solves the defects of high price, difficult wiring and easy breakage;
2. the anti-interference capability is strong: the anti-interference function is added in the wired transmission part, so that the power supply interference is filtered, and the interference of a core wire is absorbed;
3. the transmission distance is long: the maximum transmission distance of the carrier equipment can reach 5000 m;
4. front-end capacity expansion is supported: by accessing multiple cameras in serial multipoint or parallel multipoint mode, the serial multipoint access can simultaneously support 64 cameras at most. The machine room is only provided with 1 carrier communication device, so that the equipment purchase quantity is reduced, the engineering quantity is reduced, and the cost is saved.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a flow chart of the present invention;
in the figure, the position of the upper end of the main shaft,
1. an audio acquisition device and a video acquisition device; 2. a carrier terminal transmitting end; 3. a carrier terminal receiving end; 4. an elevator; 5. a traveling cable.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the utility model only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the present invention includes: the system comprises an elevator car internal acquisition module, a carrier terminal transmitting end, a carrier terminal receiving end, an industrial switch, a cloud server and a remote module;
the data collected by the collecting module is transmitted to a carrier communication transmitting terminal through a network cable to carry out format conversion of compression and coding;
the carrier communication transmitting terminal transmits signals to a carrier communication receiving terminal in an elevator machine room through a non-shielding double-core cable to carry out format conversion of decompression and decoding;
the output end of the carrier communication receiving terminal is connected to the industrial switch through a network cable, and transmits information to the cloud server and the remote module through the industrial switch.
In this implementation, it is preferred that the acquisition module includes elevator thing networking monitoring devices, audio acquisition device, emergency alarm device and video acquisition device.
In this embodiment, the audio capturing device preferably employs a sound pickup, and the video capturing device preferably employs a video camera.
In this embodiment, it is preferred that the unshielded twin cable is arranged along the trailing cable.
The embodiment has the characteristic of low cost, the unshielded two-core cable used by the carrier communication terminal can use the cable in the elevator traveling cable without additional wiring, and the scheme solves the defects of high price, difficult wiring and easy breakage.
In this embodiment, preferably, the carrier communication transmitting terminal is converted from the ethernet signal of the RJ45 interface to the differential signal of the UTP interface, and the carrier communication receiving terminal is converted from the differential signal of the UTP interface to the ethernet signal of the RJ45 interface.
By the aid of the structure, the anti-interference capacity is high through conversion of data formats, an anti-interference function is added in a wired transmission part, power supply interference is filtered, and interference of core wires is absorbed.
In this implementation, preferably, the output end of the industrial switch is connected to the cloud server through a broadband or 4G/5G router, the output end of the industrial switch is connected to the network video recorder through a network cable, and the network video recorder transmits information to the LCD splicing screen through a video cable.
By adopting the above structure, the present embodiment further has a characteristic of long transmission distance, and the maximum transmission distance of the carrier device can reach 5000 m.
In this embodiment, the input of the industrial switch is preferably connected to a plurality of cameras via serial multipoint or parallel multipoint connections.
In the embodiment, front-end capacity expansion is supported, a plurality of cameras are accessed through serial multipoint or parallel multipoint, and the serial multipoint access can simultaneously support 64 paths of cameras at most. The machine room is only provided with 1 carrier communication device, so that the equipment purchase quantity is reduced, the engineering quantity is reduced, and the cost is saved.
The embodiment comprises the following process steps in use:
the method comprises the following steps: collecting audio and video of an elevator car;
step two: the audio and video data is converted into differential signals from Ethernet signals through a carrier communication transmitting terminal;
step three: the data signal is transmitted to a carrier communication receiving end of the elevator machine room along a double-core cable in the trailing cable;
step four: the data signal is converted into an Ethernet signal from a differential signal through a carrier communication receiving end and is accessed to a switch or NVR for use.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. An elevator audio and video synchronous transmission system is characterized by comprising an elevator car internal acquisition module, a carrier terminal transmitting end, a carrier terminal receiving end, an industrial switch, a cloud server and a remote module;
the data collected by the collecting module is transmitted to a carrier communication transmitting terminal through a network cable to carry out format conversion of compression and coding;
the carrier communication transmitting terminal transmits signals to a carrier communication receiving terminal in an elevator machine room through a non-shielding double-core cable to carry out format conversion of decompression and decoding;
the output end of the carrier communication receiving terminal is connected to the industrial switch through a network cable, and transmits information to the cloud server and the remote module through the industrial switch.
2. The elevator audio and video synchronous transmission system according to claim 1, characterized in that: the acquisition module comprises an elevator Internet of things monitoring device, an audio acquisition device, an emergency alarm device and a video acquisition device.
3. The elevator audio and video synchronous transmission system according to claim 2, characterized in that: the audio acquisition device adopts a sound pick-up, and the video acquisition device adopts a camera.
4. The elevator audio and video synchronous transmission system according to claim 3, characterized in that: the unshielded dual core cable is disposed along the trailing cable.
5. The elevator audio and video synchronous transmission system according to claim 4, characterized in that: the carrier communication transmitting terminal is converted into a differential signal of the UTP interface from an Ethernet signal of the RJ45 interface, and the carrier communication receiving terminal is converted into an Ethernet signal of the RJ45 interface from a differential signal of the UTP interface.
6. The elevator audio and video synchronous transmission system according to claim 5, characterized in that: the output end of the industrial switch is connected to a cloud server through a broadband or 4G/5G router, the output end of the industrial switch is connected to the network video recorder through a network cable, and the network video recorder transmits information to the LCD splicing screen through a video cable.
7. The elevator audio and video synchronous transmission system according to claim 6, characterized in that: the input end of the industrial exchanger is connected with a plurality of cameras through serial multipoint or parallel multipoint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242785.9U CN216155239U (en) | 2021-01-28 | 2021-01-28 | Elevator audio and video synchronous transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120242785.9U CN216155239U (en) | 2021-01-28 | 2021-01-28 | Elevator audio and video synchronous transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216155239U true CN216155239U (en) | 2022-04-01 |
Family
ID=80834413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120242785.9U Active CN216155239U (en) | 2021-01-28 | 2021-01-28 | Elevator audio and video synchronous transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216155239U (en) |
-
2021
- 2021-01-28 CN CN202120242785.9U patent/CN216155239U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201699712U (en) | Multi-service switching-on optical transceiver | |
| CN103442205B (en) | Monitoring system commonly used for power distribution cabinet | |
| CN201282528Y (en) | Video optical transmitter-receiver with Ethernet interface | |
| CN216155239U (en) | Elevator audio and video synchronous transmission system | |
| CN207251819U (en) | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference | |
| CN201585043U (en) | 3g video camera | |
| CN201699894U (en) | Sixteen-path optical video transmitter and receiver | |
| CN209805823U (en) | Network transmission equipment for co-cable transmission of data and power supply | |
| CN202026425U (en) | Server with 3rd generation (3G) and wireless fidelity (WIFI) network video function | |
| CN104427299A (en) | Ultra high definition video camera composite communication system and method | |
| CN210112190U (en) | Optical fiber intelligent distribution monitoring and management system | |
| CN206115239U (en) | Anti -interference control system is used to MVR technology | |
| CN203912097U (en) | Substation infrared monitoring device | |
| CN203278821U (en) | High-definition monitoring digital power line carrier system and data exchange device | |
| CN212463395U (en) | Signal separation device, connection device, network switch and audio and video monitoring system | |
| CN201699713U (en) | Light transmission server | |
| CN212677260U (en) | Play controller supporting single-fiber bidirectional transmission based on x86 architecture | |
| CN215268479U (en) | Tunnel monitoring system | |
| CN207235017U (en) | Intelligent wiring system | |
| CN220570586U (en) | Portable HDMI video wireless remote transmission device | |
| CN203675237U (en) | HD-SDI optical terminal | |
| CN2657309Y (en) | Optical fibre network camera | |
| CN110796850A (en) | Online method and system for electricity consumption information acquisition equipment in no-signal area | |
| CN217116263U (en) | Wavelength division multiplexing optical fiber transmission system | |
| CN217037319U (en) | Vehicle-mounted Ethernet camera system for asymmetric transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |