CN217627232U - Video signal acquisition and transmission system for tower crane - Google Patents
Video signal acquisition and transmission system for tower crane Download PDFInfo
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- CN217627232U CN217627232U CN202221581673.7U CN202221581673U CN217627232U CN 217627232 U CN217627232 U CN 217627232U CN 202221581673 U CN202221581673 U CN 202221581673U CN 217627232 U CN217627232 U CN 217627232U
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Abstract
The utility model discloses a video signal acquisition and transmission system for a tower crane, which comprises a video monitoring background, a ground relay unit and a camera unit arranged on the tower body of the tower crane, wherein the camera unit acquires the hook image of the tower crane in the working process of the tower crane; the output end of the camera shooting unit is connected with the ground relay unit, and the output end of the ground relay unit is connected with the video monitoring background. The utility model discloses utilize the different cameras of a plurality of shooting angles, gather tower crane's lifting hook image from different angles, realization lifting hook video image's that can be comparatively comprehensive collection to data transmission preserves and shows to the backstage, conveniently looks over in video data's long-range and long-term storage.
Description
Technical Field
The utility model relates to a tower crane especially relates to a video signal gathers transmission system for tower crane.
Background
The tower crane is also called tower crane, and belongs to heavy machinery equipment. The method is widely applied to building construction, bridge construction and large-scale engineering construction. In order to guarantee the construction safety, video image monitoring is often needed to be carried out on the lifting hook of the tower crane, but the tower crane is in the operation process, and a camera visual angle blind area can exist due to shielding of building production. Moreover, the monitoring of the current tower crane is mainly field monitoring, which is not convenient for long-term storage and remote viewing of data.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a video signal gathers transmission system for tower crane, utilizes the different camera of a plurality of shooting angles, gathers tower crane's lifting hook image from the angle of difference, can comparatively comprehensive realization lifting hook video image's collection to data transmission preserves and shows to the backstage, conveniently looks over in video data's long-range and long-term storage.
The purpose of the utility model is realized through the following technical scheme: a video signal acquisition and transmission system for a tower crane comprises a video monitoring background, a ground relay unit and a camera unit arranged on a tower body of the tower crane, wherein the camera unit acquires a hook image of the tower crane in the working process of the tower crane; the output end of the camera shooting unit is connected with the ground relay unit, and the output end of the ground relay unit is connected with the video monitoring background.
The camera shooting unit comprises a camera shooting module, a microprocessor and a first WiFi module, the camera shooting module comprises a plurality of cameras with different shooting angles, each camera collects hook images of the tower crane from different angles, the output end of each camera is connected with the microprocessor, the output end of the microprocessor is connected with the first WiFi module, and the output end of the first WiFi module is connected with the ground relay unit.
The ground relay unit comprises a second WiFi module, a relay processor, a video encoder, an encryption module and a relay transmission device;
the input end of the second WiFi module is connected with the output end of the first WiFi module, the output end of the second WiFi module is connected with the relay processor, the output end of the relay processor is connected with the relay transmission device sequentially through the video encoder and the encryption module, and the relay transmission device transmits the received information to the video monitoring background.
The relay transmission device comprises an electro-optical converter, a first optical fiber interface, a cache processor, a timing switch, a cache module and a wireless sending module;
the input ends of the electro-optical converter and the cache processor are both connected with the encryption module, the output end of the electro-optical converter is connected with a first optical fiber interface, and the first optical fiber interface is connected with the video monitoring background through an optical fiber;
the cache processor is connected with the cache module in a bidirectional mode, the output end of the cache processor is further connected with the wireless sending module through the timing switch, and the output end of the wireless sending module is connected with the video monitoring background.
The beneficial effects of the utility model are that: (1) The utility model discloses utilize a plurality of cameras that shoot the angle difference, gather the lifting hook image of tower crane from different angles, can comparatively comprehensive realization lifting hook video image's collection to data transmission saves and shows to the backstage, conveniently looks over in the long-range of video data and long-term storage;
(2) The utility model discloses utilize optic fibre to realize the data real-time transmission of ground relay station and video monitoring backstage to utilize wireless transmission module to realize the timing transmission of data, under the normal condition, the control backstage can be through the data of optic fibre real-time reception relay station and show and preserve, go wrong at the fiber circuit, when leading to unable realization optical fiber transmission, the control backstage can carry out data reception through the monitor switch switching to the wireless transmission route, avoid video data to lose.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following descriptions.
As shown in fig. 1, a video signal acquisition and transmission system for a tower crane is characterized in that: the system comprises a video monitoring background, a ground relay unit and a camera unit arranged on a tower body of the tower crane, wherein the camera unit is used for acquiring a hook image of the tower crane in the working process of the tower crane; the output end of the camera shooting unit is connected with the ground relay unit, and the output end of the ground relay unit is connected with the video monitoring background.
In the embodiment of this application, the unit of making a video recording includes camera module, microprocessor and first wiFi module, camera module includes the different camera of a plurality of shooting angles, and the lifting hook image of tower crane is gathered from the angle of difference to each camera, and the output of each camera all is connected with microprocessor, microprocessor's output and first wiFi module are connected, the output and the ground relay unit of first wiFi module are connected.
In an embodiment of the present application, the terrestrial relay unit includes a second WiFi module, a relay processor, a video encoder, an encryption module, and a relay transmission device;
the input end of the second WiFi module is connected with the output end of the first WiFi module, the output end of the second WiFi module is connected with the relay processor, the output end of the relay processor is connected with the relay transmission device sequentially through the video encoder and the encryption module, and the relay transmission device transmits the received information to the video monitoring background.
The ground relay unit also comprises a storage module and a display module, wherein the storage module and the display module are both connected with the relay processor.
In the above embodiment, the relay transmission device includes an electrical-to-optical converter, a first optical fiber interface, a buffer processor, a timing switch, a buffer module, and a wireless transmission module;
the input ends of the electro-optical converter and the cache processor are connected with the encryption module, the output end of the electro-optical converter is connected with a first optical fiber interface, and the first optical fiber interface is connected with the video monitoring background through an optical fiber;
the cache processor is connected with the cache module in a two-way mode, the output end of the cache processor is further connected with the wireless sending module through the timing switch, and the output end of the wireless sending module is connected with the video monitoring background.
In the above embodiment, after the video images stored in the cache module reach the maximum capacity, each time a new image is stored, the oldest image needs to be deleted, so as to implement the continuous update of the images in the cache module. And the maximum capacity of the cache module is slightly larger than the image output by the encryption module in the starting interval of the timing switch, so that no video image loss is caused.
In an embodiment of the application, the video monitoring background comprises a second optical fiber interface, a photoelectric converter, a wireless receiving module, a change-over switch, a decryption module, a video decoding module, a background processor, a background display module and a background storage module;
the second optical fiber interface is connected with the first optical fiber interface through an optical fiber, the input end of the photoelectric converter is connected with the second optical fiber interface, the output end of the photoelectric converter is connected with the first input end of the change-over switch, the input end of the wireless receiving module is connected with the output end of the wireless sending module, the output end of the wireless receiving module is connected with the second input end of the change-over switch, the output end of the change-over switch is connected to the background processor sequentially through the decryption module and the video decoding module, and the background processor is further connected with the background display module and the background storage module respectively.
In the embodiment of the application, the encryption module adopts the same key for encryption as the decryption module adopts for decryption, and the key is configured in the encryption module and the decryption module in advance. The change-over switch is a button type change-over switch or a knob type change-over switch. In the embodiment of the application, power supply modules are arranged in the video monitoring background, the ground relay unit and the camera unit so as to supply power to all parts in the system.
The working principle of the utility model is as follows, when the tower crane works, a plurality of cameras in the camera module collect hook images of the tower crane from different angles, and transmit the collected images to the microprocessor, the microprocessor transmits the images to the ground relay unit through the first WiFi module, in the ground relay unit, the second WiFi module receives signals output by the first WiFi module and transmits the signals to the relay processor, the relay processor stores the received video images in the storage module locally (so that even if a background fault occurs, the data can be searched from the ground relay unit, the disaster tolerance of the video data is effectively improved), and the received video images are displayed in the display module; meanwhile, before sending data to a video monitoring background, a relay processor encodes and encrypts the data, then realizes real-time data transmission between a ground relay station and the video monitoring background by using an optical fiber, and realizes timing data transmission by using a wireless transmission module, under normal conditions, the monitoring background can receive the data of the relay station in real time through the optical fiber and display and store the data, when an optical fiber line has problems and the optical fiber transmission cannot be realized (the background cannot receive the data), the monitoring background can switch to a wireless transmission path through a monitoring switch to receive the data, so that video data loss is avoided, that is, the wireless transmission path is only used as a standby, but as signals are sent at regular time, the standby branch can avoid large energy loss when the data are lost; the monitoring background decrypts and decrypts the received data, and displays and stores the data, so that the data can be conveniently and remotely checked and monitored, and meanwhile, the data can be centralized and stored for a long time; moreover, due to the existence of the encryption and decryption module, the data is not easy to intercept and recognize during uploading, and the safety of data transmission is effectively ensured.
Finally, it is to be understood that the above description illustrates and describes the preferred embodiment of the invention, but as before, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A video signal acquisition and transmission system for a tower crane is characterized in that: the system comprises a video monitoring background, a ground relay unit and a camera unit arranged on a tower body of the tower crane, wherein the camera unit is used for acquiring a hook image of the tower crane in the working process of the tower crane; the output end of the camera shooting unit is connected with the ground relay unit, and the output end of the ground relay unit is connected with the video monitoring background.
2. The video signal acquisition and transmission system for the tower crane according to claim 1, wherein: the camera shooting unit comprises a camera shooting module, a microprocessor and a first WiFi module, the camera shooting module comprises a plurality of cameras with different shooting angles, each camera collects hook images of the tower crane from different angles, the output end of each camera is connected with the microprocessor, the output end of the microprocessor is connected with the first WiFi module, and the output end of the first WiFi module is connected with the ground relay unit.
3. The video signal acquisition and transmission system for the tower crane according to claim 1, wherein: the ground relay unit comprises a second WiFi module, a relay processor, a video encoder, an encryption module and a relay transmission device;
the input end of the second WiFi module is connected with the output end of the first WiFi module, the output end of the second WiFi module is connected with the relay processor, the output end of the relay processor is connected with the relay transmission device sequentially through the video encoder and the encryption module, and the relay transmission device transmits the received information to the video monitoring background.
4. The video signal acquisition and transmission system for the tower crane according to claim 1, wherein: the ground relay unit also comprises a storage module and a display module, wherein the storage module and the display module are both connected with the relay processor.
5. The video signal acquisition and transmission system for the tower crane according to claim 3, wherein: the relay transmission device comprises an electro-optical converter, a first optical fiber interface, a cache processor, a timing switch, a cache module and a wireless sending module;
the input ends of the electro-optical converter and the cache processor are connected with the encryption module, the output end of the electro-optical converter is connected with a first optical fiber interface, and the first optical fiber interface is connected with the video monitoring background through an optical fiber;
the cache processor is connected with the cache module in a two-way mode, the output end of the cache processor is further connected with the wireless sending module through the timing switch, and the output end of the wireless sending module is connected with the video monitoring background.
6. The video signal acquisition and transmission system for the tower crane according to claim 5, wherein: the video monitoring background comprises a second optical fiber interface, a photoelectric converter, a wireless receiving module, a selector switch, a decryption module, a video decoding module, a background processor, a background display module and a background storage module;
the second optical fiber interface is connected with the first optical fiber interface through an optical fiber, the input end of the photoelectric converter is connected with the second optical fiber interface, the output end of the photoelectric converter is connected with the first input end of the change-over switch, the input end of the wireless receiving module is connected with the output end of the wireless sending module, the output end of the wireless receiving module is connected with the second input end of the change-over switch, the output end of the change-over switch is connected to the background processor sequentially through the decryption module and the video decoding module, and the background processor is further connected with the background display module and the background storage module respectively.
7. The video signal acquisition and transmission system for the tower crane according to claim 6, wherein: the encryption module adopts the same key for encryption as the decryption module adopts for decryption, and the key is configured in the encryption module and the decryption module in advance.
8. The video signal acquisition and transmission system for the tower crane according to claim 6, wherein: the change-over switch is a button type change-over switch or a knob type change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221581673.7U CN217627232U (en) | 2022-06-23 | 2022-06-23 | Video signal acquisition and transmission system for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221581673.7U CN217627232U (en) | 2022-06-23 | 2022-06-23 | Video signal acquisition and transmission system for tower crane |
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| Publication Number | Publication Date |
|---|---|
| CN217627232U true CN217627232U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221581673.7U Active CN217627232U (en) | 2022-06-23 | 2022-06-23 | Video signal acquisition and transmission system for tower crane |
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| CN (1) | CN217627232U (en) |
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2022
- 2022-06-23 CN CN202221581673.7U patent/CN217627232U/en active Active
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