CN204767444U - Stage data extraction and transmission control system - Google Patents
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Abstract
The utility model discloses a stage data extraction and transmission control system includes the on -the -spot data extraction unit of cloud central control unit, local cluster control unit, self -adaptation multidimension transfer processing unit, stage equipment data extraction unit, stage personnel data extraction unit and stage, the relevant information of acquireing many equipment of stage and personnel that can real time kinematic has improved the degree of accuracy of stage control, has realized data traffic's control, has reduced the stage potential safety hazard, has promoted the stage and has presented the effect.
Description
Technical Field
The invention relates to the field of stage performance control, in particular to a stage data extraction and transmission control system.
Background
With the increasing abundance of technological elements in large performance scenes, the number of devices and personnel in the scene is also multiplied, and the control and management of the devices and personnel become more and more complex. Among the prior art, the management and control to stage equipment and personnel mostly still stop at manual control or management, and mutual independence between each subsystem of stage is difficult to the coordinated operation, and the data that each subsystem was collected are also mutually independent, have to contend for the bandwidth, and whole data volume is difficult to the aassessment scheduling problem, and this leads to the stage control degree of accuracy lower, and the stage effect is unsatisfactory, still can have the potential safety hazard that is difficult to artifical in time to discover sometimes.
Disclosure of Invention
The purpose of the invention is realized by the following technical scheme.
According to an embodiment of the invention, a stage data extraction and transmission control system is provided, and the system comprises a cloud central control unit, a local cluster control unit, a self-adaptive multi-dimensional transmission processing unit, a stage equipment data extraction unit, a stage personnel data extraction unit and a stage field data extraction unit; the cloud central control unit is connected with the local cluster control unit through a forward link and is connected with the self-adaptive multi-dimensional transmission processing unit through a reverse link, the output end of the local cluster control unit is respectively connected with the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit, and the self-adaptive multi-dimensional transmission processing unit is also respectively connected with the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit; wherein,
the cloud central control unit is used for sending data acquisition and stage correction instructions to the local cluster control unit and receiving stage real-time data uploaded by the self-adaptive multi-dimensional transmission processing unit;
the local cluster control unit is used for receiving a data acquisition instruction sent by the cloud central control unit and respectively forwarding the instruction to the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit;
the self-adaptive multi-dimensional transmission processing unit is used for acquiring data acquired by the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit according to the data transmission instruction of the local cluster control unit and uploading the data to the cloud central control unit;
the stage equipment data extraction unit is used for extracting real-time operation data related to stage equipment;
the stage personnel data extraction unit is used for extracting real-time execution data related to stage performance personnel, and
the stage scene data extraction unit is used for extracting dynamic data related to a stage scene.
According to an embodiment of the present invention, the stage equipment data extraction unit specifically includes: the system comprises a first sub-control unit, a stage equipment data packaging unit, a mechanical component data acquisition subunit, an audio and video data acquisition subunit and a light data acquisition subunit; wherein,
the first sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and indicating the mechanical component data acquisition sub-unit, the audio and video data acquisition sub-unit and the light data acquisition sub-unit to acquire corresponding data according to the instruction;
the stage equipment data packaging unit is used for packaging corresponding data acquired by the mechanical component data acquisition subunit, the audio and video data acquisition subunit and the lighting data acquisition subunit and uploading the data to the self-adaptive multi-dimensional transmission processing unit;
the mechanical component data acquisition subunit is used for periodically acquiring sensing information of a mechanical part connected with the mechanical component data acquisition subunit, wherein the sensing information comprises a stage three-dimensional coordinate and an operation state of the mechanical part;
the audio and video data acquisition subunit is used for acquiring stage audio and video playing information in real time;
and the lighting data acquisition subunit is used for acquiring the stage lighting operation information in real time.
According to an embodiment of the present invention, the stage personnel data extraction unit specifically includes: a second sub-control unit, a stage personnel data packing unit, a high-speed motion image acquisition unit and a data preprocessing unit, wherein,
the second sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and instructing the high-speed motion image acquisition unit to acquire corresponding data according to the instruction;
the high-speed motion image acquisition unit is used for acquiring the body motion state of an actor and recording a video;
the data preprocessing unit is used for receiving the data acquired by the high-speed motion image acquisition unit, extracting action key frames and identifying and comparing action sequences;
and the stage personnel data packing unit is used for packing the corresponding data of the data preprocessing unit and uploading the packed data to the self-adaptive multi-dimensional transmission processing unit.
According to an embodiment of the present invention, the stage scene data extracting unit specifically includes: the system comprises a third control unit, a stage field data packaging unit, a plurality of high-definition intelligent ball machines, a plurality of directional audio pickup units and an audio and video preprocessing unit; wherein,
the third sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and instructing the high-definition intelligent dome camera to acquire corresponding data according to the instruction;
the high-definition intelligent ball machines are used for acquiring real-time images of performance sites;
the plurality of directional audio pickup units are used for collecting background noise of a performance site;
the audio and video preprocessing unit is used for compressing and encoding the acquired audio and video data;
and the stage field data packaging unit is used for packaging the audio and video data compressed and coded by the audio and video preprocessing unit and uploading the audio and video data to the self-adaptive multi-dimensional transmission processing unit.
The stage data extraction and transmission control system comprises a cloud central control unit, a local cluster control unit, a self-adaptive multi-dimensional transmission processing unit, a stage equipment data extraction unit, a stage personnel data extraction unit and a stage field data extraction unit; the method has the advantages that the related information of multiple devices and personnel on the stage can be dynamically acquired in real time, the accuracy of stage control is improved, the control of data flow is realized, the potential safety hazard of the stage is reduced, and the stage presenting effect is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a stage data extraction and transmission control system according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a stage equipment data extraction unit according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a stage personnel data extraction unit according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a stage scene data extraction unit according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an adaptive multidimensional transmission processing unit according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a data amount detection unit according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
According to an embodiment of the present invention, a stage data extraction and transmission control system is provided, as shown in fig. 1, the system includes a cloud central control unit, a local cluster control unit, an adaptive multidimensional transmission processing unit, a stage equipment data extraction unit, a stage personnel data extraction unit, and a stage field data extraction unit; the cloud central control unit is connected with the local cluster control unit through a forward link and is connected with the self-adaptive multi-dimensional transmission processing unit through a reverse link, the output end of the local cluster control unit is respectively connected with the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit, and the self-adaptive multi-dimensional transmission processing unit is also respectively connected with the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit; wherein,
the cloud central control unit is used for sending data acquisition and stage correction instructions to the local cluster control unit and receiving stage real-time data uploaded by the self-adaptive multi-dimensional transmission processing unit;
the local cluster control unit is used for receiving a data acquisition instruction sent by the cloud central control unit and respectively forwarding the instruction to the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit;
the self-adaptive multi-dimensional transmission processing unit is used for acquiring data acquired by the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit according to the data transmission instruction of the local cluster control unit and uploading the data to the cloud central control unit;
the stage equipment data extraction unit is used for extracting real-time operation data related to stage equipment;
the stage personnel data extraction unit is used for extracting real-time execution data related to stage performance personnel, and
the stage scene data extraction unit is used for extracting dynamic data related to a stage scene.
According to an embodiment of the present invention, as shown in fig. 2, the stage equipment data extracting unit specifically includes: the system comprises a first sub-control unit, a stage equipment data packaging unit, a mechanical component data acquisition subunit, an audio and video data acquisition subunit and a light data acquisition subunit; wherein,
the first sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and indicating the mechanical component data acquisition sub-unit, the audio and video data acquisition sub-unit and the light data acquisition sub-unit to acquire corresponding data according to the instruction;
the stage equipment data packaging unit is used for packaging corresponding data acquired by the mechanical component data acquisition subunit, the audio and video data acquisition subunit and the lighting data acquisition subunit and uploading the data to the self-adaptive multi-dimensional transmission processing unit;
the mechanical component data acquisition subunit is used for periodically acquiring sensing information of a mechanical part connected with the mechanical component data acquisition subunit, wherein the sensing information comprises a stage three-dimensional coordinate and an operation state of the mechanical part;
the audio and video data acquisition subunit is used for acquiring stage audio and video playing information in real time;
and the lighting data acquisition subunit is used for acquiring the stage lighting operation information in real time.
According to a preferred embodiment of the present invention, the mechanical component data acquiring subunit specifically includes:
the angular motion detection unit is connected with the vehicle platform and used for calculating the position and the speed of the vehicle platform in real time and sending the position and the speed of the vehicle platform as sensing information to the stage equipment data packaging unit;
the limiting sensing unit is used for sending limiting alarm information to the stage equipment data packaging unit when detecting that the position of the corresponding vehicle platform reaches a limiting height;
the safety rope sensing unit is used for sending rope loosening alarm information to the stage equipment data packaging unit when the tightness degree of the safety rope corresponding to the vehicle platform is detected to reach a set threshold value;
the stage equipment data packing unit reports the received limit alarm information or the rope loosening alarm information to the cloud central control unit through the self-adaptive multi-dimensional transmission processing unit;
and the cloud central control unit is also used for stopping the operation of the vehicle platform after receiving the limit alarm information or the rope loosening alarm information.
According to a preferred embodiment of the present invention, the audio/video data acquiring subunit specifically includes: an audio playing real-time parameter acquisition unit, a video playing real-time parameter acquisition unit, an audio and video pre-programming parameter acquisition unit and a first parameter comparison unit, wherein,
the audio playing real-time parameter acquisition unit and the video playing real-time parameter acquisition unit are used for acquiring audio and video parameters played in the stage performance in real time, and the parameters can be, but are not limited to, information such as tone, sound breaking, height, delay, synchronization and the like;
the audio and video pre-programming parameter acquisition unit is used for acquiring audio and video related parameters needing to be played in the current performance from the cloud central control unit in advance;
the first parameter comparison unit is used for comparing the acquired audio and video real-time parameters with pre-acquired audio and video pre-programmed parameters, generating audio and video playing abnormal information when the parameters are not corresponding, and reporting the audio and video playing abnormal information and the audio and video real-time parameters to the cloud central control unit through the self-adaptive multi-dimensional transmission processing unit;
the cloud central control unit is also used for correcting the audio and video playing parameters after receiving the audio and video playing abnormal information and the audio and video real-time parameters and sending the audio and video playing parameters to the audio and video playing unit.
According to a preferred embodiment of the present invention, the light data acquiring subunit specifically includes: a light real-time parameter acquisition unit, a light pre-programmed parameter acquisition unit and a second parameter comparison unit, wherein,
the light real-time parameter acquisition unit is used for acquiring light real-time parameters used in stage performance, and the parameters can be, but are not limited to, information such as brightness, color, synchronization, light chasing position and the like;
the light pre-programming parameter acquisition unit is used for acquiring light related parameters required by the current performance from the cloud central control unit in advance;
the second parameter comparison unit is used for comparing the acquired real-time lamplight parameters with pre-acquired pre-programmed lamplight parameters, generating abnormal lamplight information when the parameters are not corresponding, and reporting the abnormal lamplight information and the real-time lamplight parameters to the cloud central control unit through the self-adaptive multi-dimensional transmission processing unit;
and the cloud central control unit is also used for correcting the lighting parameters after receiving the lighting abnormal information and the lighting real-time parameters and transmitting the lighting parameters to each stage lighting unit.
According to an embodiment of the present invention, as shown in fig. 3, the stage personnel data extracting unit specifically includes:
a second sub-control unit, a stage personnel data packing unit, a high-speed motion image acquisition unit and a data preprocessing unit, wherein,
the second sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and instructing the high-speed motion image acquisition unit to acquire corresponding data according to the instruction;
the high-speed motion image acquisition unit is used for acquiring the body motion state of an actor and recording a video;
the data preprocessing unit is used for receiving the data acquired by the high-speed motion image acquisition unit, extracting action key frames and identifying and comparing action sequences;
and the stage personnel data packing unit is used for packing the corresponding data of the data preprocessing unit and uploading the packed data to the self-adaptive multi-dimensional transmission processing unit.
According to a preferred embodiment of the present invention, the data preprocessing unit includes:
the system comprises a pre-programmed action acquisition unit, a cloud central control unit and a pre-programmed action acquisition unit, wherein the pre-programmed action acquisition unit is used for acquiring an actor standard action sequence required by the current performance from the cloud central control unit;
the action sequence identification unit is used for angulating the body motion state data acquired by the high-speed motion image acquisition unit and extracting action key frames;
the action compiling unit is used for compiling the action of the actor by utilizing the action key frames extracted by the action sequence identification unit;
the action comparison unit is used for comparing the compiled action with the standard action sequence acquired by the pre-programmed action acquisition unit, and reporting a corresponding action key frame and a comparison result to the cloud central control unit through the self-adaptive multi-dimensional transmission processing unit when the comparison is unsuccessful;
the cloud central control unit is further used for storing the action key frames after receiving the comparison result so as to improve learning subsequently.
According to an embodiment of the present invention, as shown in fig. 4, the stage scene data extracting unit specifically includes: the system comprises a third control unit, a stage field data packaging unit, a plurality of high-definition intelligent ball machines, a plurality of directional audio pickup units and an audio and video preprocessing unit; wherein,
the third sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and instructing the high-definition intelligent dome camera to acquire corresponding data according to the instruction;
the high-definition intelligent ball machines are used for acquiring real-time images of performance sites and acquiring related information including audience flow, crowd density and the like;
the plurality of directional audio pickup units are used for acquiring background noise of a performance site and acquiring related information including noise intensity, noise positioning and the like;
the audio and video preprocessing unit is used for compressing and encoding the acquired audio and video data;
and the stage field data packaging unit is used for packaging the audio and video data compressed and coded by the audio and video preprocessing unit and uploading the audio and video data to the self-adaptive multi-dimensional transmission processing unit.
According to an embodiment of the present invention, as shown in fig. 5, the adaptive multi-dimensional transmission processing unit includes: a direct memory access unit, a plurality of relay memory units, a data type identification unit, an IP address matching unit and a data amount detection unit, wherein,
the direct storage access unit is used for receiving a data transmission instruction of the local cluster control unit and controlling the transfer storage unit, the data type identification unit, the IP address matching unit and the data volume detection unit;
the data type identification unit is used for identifying the data type of the received data, such as personnel data, equipment data and the like;
the IP address matching unit is used for matching the received data with a pre-allocated IPv6 address so as to determine an accurate data source; and
the transfer storage unit is used for storing data submitted by the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit according to the data type and the matched IPv6 address in a classified manner;
a data amount detection unit for performing data amount detection on the transmitted data;
a first data transmission channel is arranged between the transfer storage unit and the direct storage access unit; each data extraction unit, namely a stage equipment data extraction unit, a stage personnel data extraction unit and a stage field data extraction unit, is provided with a second data transmission channel with the direct storage access unit; a third data transmission channel is arranged between the transit storage unit and the cloud central control unit; a fourth data transmission path is arranged between the direct storage access unit and the local cluster control unit;
according to a preferred embodiment of the present invention, the direct memory access unit is composed of a buffer relay unit, a limited high-speed memory set, and an interface control sequence unit, wherein,
the buffer relay unit consists of a first-in first-out buffer and a second first-in first-out buffer, wherein the first-in first-out buffer is used for buffering data read from the transit storage unit to the cloud central control unit, the second first-in first-out buffer is used for buffering data written from each data extraction unit to the transit storage unit, and the first-in first-out buffer or the second first-in first-out buffer is used when data streams are communicated among the transit storage units;
the limited high-speed storage set is composed of two groups of configuration registers and a group of state limited high-speed storage set, wherein the two groups of configuration registers are used for controlling each data stream communication of the self-adaptive multi-dimensional transmission processing unit in turn, and each group of configuration registers are at least used for configuring the data stream channel type, the data extraction unit type, the sending address or/and the receiving address of the transfer storage unit and the transmission data length in each data stream communication; a group of state registers is used for starting the self-adaptive multidimensional transmission processing unit and reflecting the transmission state of the self-adaptive multidimensional transmission processing unit, wherein the transmission state at least reflects whether the current transmission is finished;
the interface control sequence unit is composed of a state recognizer, when the self-adaptive multi-dimensional transmission processing unit accesses the data extraction unit, the state recognizer directly controls interface signals of data sent or received by the data extraction unit according to various states and state jumps, and detects the working state of the data extraction unit in real time.
According to a preferred embodiment of the present invention, as shown in fig. 6, the data amount detection unit specifically includes: the device comprises a transmission flow table establishing unit, a characteristic sequence acquiring unit, a memory, an analyzing unit, a first judging unit, a second judging unit and a third judging unit; wherein,
the transmission flow table establishing unit is used for establishing a transmission flow table, and the attributes of the table structure of the transmission flow table comprise: transmitting node type, protocol type, source IP, source port, destination IP, destination port, packet direction of data packet and data message length of data packet;
the characteristic sequence acquisition unit is used for acquiring characteristic sequences of various monitored transport streams in a transmission layer and storing the characteristic sequences in a memory;
the analysis unit is used for analyzing the packet header of the intercepted data packet to obtain the protocol type, the source IP, the source port, the destination IP, the destination port and the data message length of the data packet;
the first judging unit is used for inquiring whether a source IP, a source port, a destination IP and a destination port of a transmission stream record exist in the transmission stream table under the same protocol type and the source IP, the source port, the destination IP and the destination port in the data packet are the same;
the second judging unit is used for judging whether the transmission node type of the transmission stream is calibrated or not when the first judging unit judges that the same condition is stored, and recording the packet direction and the data message length of the data packet in the transmission stream and loading the data packet into a transmission stream table if the transmission node type of the transmission stream is not calibrated; and
the third judging unit is used for judging whether the data packet record of the network data stream reaches the set data packet number threshold value N, and if the threshold value N is reached, the data transmission quantity of the stage is recorded.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A stage data extraction and transmission control system is characterized by comprising a cloud central control unit, a local cluster control unit, a self-adaptive multi-dimensional transmission processing unit, a stage equipment data extraction unit, a stage personnel data extraction unit and a stage field data extraction unit; the cloud central control unit is connected with the local cluster control unit through a forward link and is connected with the self-adaptive multi-dimensional transmission processing unit through a reverse link, the output end of the local cluster control unit is respectively connected with the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit, and the self-adaptive multi-dimensional transmission processing unit is also respectively connected with the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit; wherein,
the cloud central control unit is used for sending data acquisition and stage correction instructions to the local cluster control unit and receiving stage real-time data uploaded by the self-adaptive multi-dimensional transmission processing unit;
the local cluster control unit is used for receiving a data acquisition instruction sent by the cloud central control unit and respectively forwarding the instruction to the self-adaptive multi-dimensional transmission processing unit, the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit;
the self-adaptive multi-dimensional transmission processing unit is used for acquiring data acquired by the stage equipment data extraction unit, the stage personnel data extraction unit and the stage field data extraction unit according to the data transmission instruction of the local cluster control unit and uploading the data to the cloud central control unit;
the stage equipment data extraction unit is used for extracting real-time operation data related to stage equipment;
the stage personnel data extraction unit is used for extracting real-time execution data related to stage performance personnel, and
the stage scene data extraction unit is used for extracting dynamic data related to a stage scene.
2. The system according to claim 1, wherein the stage equipment data extraction unit specifically includes: the system comprises a first sub-control unit, a stage equipment data packaging unit, a mechanical component data acquisition subunit, an audio and video data acquisition subunit and a light data acquisition subunit; wherein,
the first sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and indicating the mechanical component data acquisition sub-unit, the audio and video data acquisition sub-unit and the light data acquisition sub-unit to acquire corresponding data according to the instruction;
the stage equipment data packaging unit is used for packaging corresponding data acquired by the mechanical component data acquisition subunit, the audio and video data acquisition subunit and the lighting data acquisition subunit and uploading the data to the self-adaptive multi-dimensional transmission processing unit;
the mechanical component data acquisition subunit is used for periodically acquiring sensing information of a mechanical part connected with the mechanical component data acquisition subunit, wherein the sensing information comprises a stage three-dimensional coordinate and an operation state of the mechanical part;
the audio and video data acquisition subunit is used for acquiring stage audio and video playing information in real time;
and the lighting data acquisition subunit is used for acquiring the stage lighting operation information in real time.
3. The system according to claim 2, wherein the stage personnel data extraction unit specifically comprises: a second sub-control unit, a stage personnel data packing unit, a high-speed motion image acquisition unit and a data preprocessing unit, wherein,
the second sub-control unit is used for receiving a data acquisition instruction sent by the local cluster control unit and instructing the high-speed motion image acquisition unit to acquire corresponding data according to the instruction;
the high-speed motion image acquisition unit is used for acquiring the body motion state of an actor and recording a video;
the data preprocessing unit is used for receiving the data acquired by the high-speed motion image acquisition unit, extracting action key frames and identifying and comparing action sequences;
and the stage personnel data packing unit is used for packing the corresponding data of the data preprocessing unit and uploading the packed data to the self-adaptive multi-dimensional transmission processing unit.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031942A (en) * | 2015-07-22 | 2015-11-11 | 浙江大丰实业股份有限公司 | Stage data extraction and transmission control system |
| CN109224341A (en) * | 2018-08-14 | 2019-01-18 | 浙江大丰实业股份有限公司 | Fire Curtain isolation effect verifying bench |
| CN109238225A (en) * | 2018-09-03 | 2019-01-18 | 浙江大丰实业股份有限公司 | Mobile ride highly guards platform in real time |
| CN112347847A (en) * | 2020-09-27 | 2021-02-09 | 浙江大丰实业股份有限公司 | Automatic positioning system for stage safety monitoring |
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2015
- 2015-07-22 CN CN201520535409.3U patent/CN204767444U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105031942A (en) * | 2015-07-22 | 2015-11-11 | 浙江大丰实业股份有限公司 | Stage data extraction and transmission control system |
| CN109224341A (en) * | 2018-08-14 | 2019-01-18 | 浙江大丰实业股份有限公司 | Fire Curtain isolation effect verifying bench |
| CN109224341B (en) * | 2018-08-14 | 2020-08-07 | 浙江大丰实业股份有限公司 | Platform for testing isolation effect of fireproof isolation screen |
| CN109238225A (en) * | 2018-09-03 | 2019-01-18 | 浙江大丰实业股份有限公司 | Mobile ride highly guards platform in real time |
| CN109238225B (en) * | 2018-09-03 | 2021-02-05 | 浙江大丰实业股份有限公司 | Mobile platform real-time height monitoring platform |
| CN112347847A (en) * | 2020-09-27 | 2021-02-09 | 浙江大丰实业股份有限公司 | Automatic positioning system for stage safety monitoring |
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