CN201869228U - Lift state-monitoring and remote rescue-assisting signal transmission device - Google Patents
Lift state-monitoring and remote rescue-assisting signal transmission device Download PDFInfo
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- CN201869228U CN201869228U CN2010206066688U CN201020606668U CN201869228U CN 201869228 U CN201869228 U CN 201869228U CN 2010206066688 U CN2010206066688 U CN 2010206066688U CN 201020606668 U CN201020606668 U CN 201020606668U CN 201869228 U CN201869228 U CN 201869228U
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Abstract
The utility model relates to a lift state-monitoring and remote rescue-assisting signal transmission device, which belongs to the technical field of remote lift monitoring and management systems. The device is characterized in that: the device comprises an ARM (Advanced Reduced Instruction-Set Computer Machine) plus DSP (Digital Signal Processor) dual-core embedded processor, which is connected with and controls a program memory FLASH, a data memory SDRAM (Synchronous Dynamic Random Access Memory) and a power supply module, the ARM plus DSP dual-core embedded processor is provided with an RS232 interface, network communication modules, a video encoding module and an audio coding/encoding module, the RS232 interface and the network communication modules are respectively connected with a lift state monitor and a lift management platform, the video encoding module is connected with a camera in a lift car, and the audio coding/encoding module is connected with a pickup and a speaker in the lift car. The system establishes a stable data transmission channel between lift monitoring and management platforms, thus providing technical support for increasing the lift monitoring and management centralization degree and guaranteeing the safety of the lift in use.
Description
Technical field
The utility model belongs to elevator long-distance monitorng management system technical field, is specifically related to a kind of elevator status monitoring and rescue auxiliary signal remote transmission device based on embedded technology.
Background technology
Elevator is an indispensable vertical transportation instrument in the city, propelling along with capital construction, the use amount of elevator equipment grows with each passing day, nowadays, China has become the whole world maximum elevator manufacture base and elevator market, national elevator recoverable amount in 2008 just surpasses 1,100,000, in metropolitan elevator quantity just to be higher than 10% ratio cumulative year after year.
In order to guarantee the safe handling of elevator, China has formulated strict supervision and management regulations, and each links such as installation, maintenance, use, check and supervision of elevator have been proposed specific requirement, legal liabilities and obligation that clear and definite relevant party be should bear.Yet as a kind of electromechanical equipment of frequent operation of complexity, the probability of Lift out of order is still very big, adds elevator " aging " year by year, enters the multiple phase of fault, has elevator faults to stop ladder and the oppressive accident generation of fault repeatedly.According to statistics, elevator accident accounts for 21% of great special equipment total number of accident, for the elevator in 5 ~ 10 years of operation, No. 36.5 machinery, generic failure such as electric takes place every year on average, rushes to summit, presss from both sides people etc. for 3.3 times to equipment and the bigger accident of personal safety harm.Therefore, the research and the application of elevator status remote monitoring technology become and guarantee one of urgent task that elevator is safe in utilization, and elevator long distance video monitoring and speech talkback Study on Technology and application also provide help for the rescue work of elevator when oppressive.The elevator status monitoring mainly shows with the meaning of rescue auxiliary system: the response speed that improves elevator reparing and emergency relief; For malfunction elimination, exceptional fault elimination and accident analysis identification provide observational data; Elevator is changed to initiatively maintaining from passive maintenance, and the of short duration check during from annual test changes to long-term overall process observation; Video monitoring and speech talkback are not only offered help for emergency relief, can also produce evidence for the illegal act that takes place in the elevator.
At present, elevator condition monitoring system, especially fault monitoring system obtain broad research and interior among a small circle application.Fault monitoring system all is the trouble-monitoring instrument that adopts the embedded system technology design basically.A kind of mode that trouble-monitoring instrument obtains elevator faults information is by RS232/RS485/RS422 interface and elevator main controller communication, directly reads the status data of elevator, and this mode seriously relies on the elevator brand, is mainly adopted by each elevator company oneself; Another kind of mode is to overlap the signal acquiring system that is independent of outside the apparatus for controlling elevator by one, obtain the elevator status signal point-to-pointly, do not rely on concrete elevator brand, has certain universality, but can only the elevator faults information that monitor be sent to remote management platform by GSM note, GPRS network, even only elevator faults information be sent to the short range supervision center by CAN bus, 485 buses.The effective range of video monitoring and speech talkback is relative littler, and video monitoring is the center with building or sub-district mainly, transfers signals to monitoring center in the local scope by video line, and speech talkback mainly adopts tripartite intercommunication or five side's intercommunications to realize.Video monitoring and speech talkback system all are not linked into remote management platform.
Along with computer technology and development of internet technology, wireless telecommunications enter the 3G epoch from the 2G epoch, terminal inserts Internet with the bandwidth of 10Mbps/100Mbps and also popularizes, and 3G network and Internet can transmit relative smooth, audio-video signal clearly.No matter being from building a Harmonious Society, develop the angle of Internet of Things industry, still ensureing angle from the city elevator safety, is that elevator status monitoring and rescue auxiliary system are set up in the unit with the city, has important economic and social benefits.Therefore, adopt embedded system technology design elevator status monitoring and rescue auxiliary signal remote transmission device, foundation is dispersed in the elevator state monitor of each position, city, the stable data transmission channel between rescue servicing unit and the elevator management platform, becomes and improves elevator supervision concentration degree, ensures pressing for of elevator safety use.
Summary of the invention
The utility model aims to provide a kind of elevator status monitoring and rescue auxiliary signal remote transmission device technique scheme based on embedded system technology, to overcome problems of the prior art.
Described elevator status monitoring and rescue auxiliary signal remote transmission device, it is characterized in that comprising ARM+DSP double-core embedded type processor, ARM+DSP double-core embedded type processor and program storage FLASH, data storage SDRAM, the power module control connection, be equipped with on the ARM+DSP double-core embedded type processor and be respectively applied for and the elevator state monitor, the RS232 interface that the elevator management platform connects, network communication module also is equipped with and is used for the screen coding module that is connected with camera in the lift car, be used for lift car in pick-up, the audio coding decoding module that loud speaker connects.
Described elevator status monitoring and rescue auxiliary signal remote transmission device is characterized in that described network communication module is one or both in 3G module, the Ethernet module.
Described elevator status monitoring and rescue auxiliary signal remote transmission device is characterized in that ARM+DSP double-core master controller and video encoding module pass through I
2The C bus is set up communication and is connected, and the screen coding module adopts four tunnel screen signal input structures, adapts to the vision signal of PAL and TSC-system formula automatically, is used for vision signal is carried out preliminary treatment and is converted to digital signal.
Described elevator status monitoring and rescue auxiliary signal remote transmission device, it is characterized in that described ARM+DSP double-core embedded type processor sets up communication with the audio coding decoding module by spi bus and be connected, the audio coding decoding module is supported two-way input, two-way output, built-in high s/n ratio
Modulus and D/A converting circuit, audio frequency input sample frequency can be regulated between the 96kHz at 8kHz.
Above-mentioned elevator status monitoring is novel with rescue auxiliary signal remote transmission device, rational in infrastructure, can receive elevator status data that the elevator state monitor reports and from camera, pick-up, the vision signal that loud speaker obtains, audio signal, and by 3G wireless network and Internet cable network with elevator status data and rescue assistance information transmission to the elevator long distance management platform, between elevator monitoring and management platform, set up the stable data transmission channel, the technical support that makes the elevator long distance supervision have high performance-price ratio is for improving elevator supervision concentration degree, ensure that the elevator safety use provides technical guarantee.
Description of drawings
Fig. 1 is that the utility model structural representation and the utility model are connected the enforcement schematic diagram with external device (ED);
Fig. 2 is the utility model program flow diagram;
Fig. 3 is an application process schematic diagram of the present utility model.
Embodiment
Now, describe embodiment of the present utility model in detail in conjunction with Figure of description:
Be illustrated in figure 1 as the elevator status monitoring and be connected the enforcement schematic diagram with rescue auxiliary signal remote transmission device and with external device (ED).Part 2 shown in the figure is elevator status monitoring and rescue auxiliary signal remote transmission device, generally installs and uses at the elevator end; Part 1 is elevator and state monitoring apparatus, comprises elevator body, camera, pick-up, loud speaker and elevator state monitor, and camera, pick-up and loud speaker are installed in the lift car, and state monitor is installed on elevator sedan-chair top or machine room; The 3rd part is the elevator management platform, is made of the elevator in the centralized management regional extent one group of server and information management system.The elevator status monitoring is core with rescue auxiliary signal remote transmission device with ARM+DSP double-core embedded type processor among the figure, has hardware acceleration engine, H.264 realtime graphic encoding and decoding agreement and network bandwidth adaptive function.ARM+DSP double-core embedded type processor and program storage FLASH, data storage SDRAM, power module control connection; Program storage FLASH adopts expansion high-capacity and high-speed FLASH, is used for deposit operation system kernel, application code and system configuration parameter; Data storage SDRAM adopts expansion high-capacity and high-speed SDRAM, the data storage during as program running.Connect configuration RS232 interface, screen coding module, audio coding decoding module, network communication module on the ARM+DSP double-core embedded type processor; Wherein the RS232 interface is used for being connected with the elevator state monitor, obtains the elevator status data that the elevator state monitor is gathered; ARM+DSP double-core master controller passes through I
2The C bus is set up communication with video encoding module and is connected, the screen coding module is used for being connected with camera in the lift car, can regulate brightness, contrast, the saturation of video input signals, adopt four tunnel screen signal input structures, automatically the vision signal that adapts to PAL and TSC-system formula, be used for vision signal is carried out preliminary treatment and is converted to digital signal, adopt the H.264 video coding of video algorithm realization high compression, low code check, video flowing is supported the bandwidth of 16Kbps ~ 3Mbps, support D1 resolution, the highest frame per second reaches 30fps under the CIF resolution; ARM+DSP double-core embedded type processor is set up communication by spi bus with the audio coding decoding module and is connected, and the audio coding decoding module is supported two-way input, two-way output, built-in high s/n ratio
Modulus and D/A converting circuit, audio frequency input sample frequency can be regulated between the 96kHz at 8kHz, audio signal to input is carried out preliminary treatment and is converted to digital signal, exports to loud speaker after will being converted into analog signal from the digital audio and video signals of remote elevator management platform; Network communication module is one or both in 3G module, the Ethernet module, and the Ethernet adapter that articulates the 10Mbps/100Mbps compatibility is used to insert Internet; Articulate the 3G network module and be used for the 3G network connection; 3G module, Ethernet are applicable to different application scenarios respectively, when elevator place building have broadband networks and cable wiring manufacture when easy, preferentially select the Internet network for use, the 3G communication modes is only good and insert Internet and have under the very big situation of difficult and use at the 3G signal.
The working method of state monitor can be direct and electric life controller communication acquisition elevator status data in the foregoing description; also can be to overlap independently sensor-based system from the information point acquisition state information of apparatus for controlling elevator by one, haveing the current state of elevator according to a series of state information induction then be normally or fault.If fault, fault type should include but not limited to: oppressive, door district is outer, and to stop that ladder, operation are overtime, flat bed opens the door overtime, in service opens gate, in servicely open Room door, the end of rushing to summit, squat, hypervelocity, system power supply fault, stand-by power supply fault.The communications protocol that the utility model is described according to table 1 receives the elevator status data that the elevator state monitor is reported and submitted, and Frame is formed (1 byte) by frame head (1 byte), data length (2 byte), frame category (1 byte), content frame (n byte), check code (2 byte), postamble.During normal condition, frame category is 0x55, and content frame is empty.During malfunction, frame category is 0xaa, and content frame comprises fault type sign indicating number and elevator status signal.Data length is the byte number summation of frame category and content frame.The data check mode is a CRC check, and the verification content comprises data length, frame category and content frame.
Table 1: the communications protocol of the utility model and elevator state monitor
The utility model is pressed the communications protocol reception elevator management platform instruction of table 2 in the foregoing description, Frame is formed (1 byte) and is formed by frame head (1 byte), data length (2 byte), frame category (1 byte), content frame (n byte), check code (2 byte), postamble, frame category comprises: inquire about the elevator state, confirm that data are effective, judgment data is invalid, the configuration-system parameter, during first three kind, content frame is empty, during last kind, content frame is made of at least one parameter name and parameter value.Data length is the byte number summation of frame category and content frame.The data check mode is a CRC check, and the verification content comprises data length, frame category and content frame.
Table 2: the communications protocol of the utility model and elevator management platform
In the foregoing description, operating system of the present utility model adopts built-in Linux, and Linux is the operating system of open source, the embedded with network support, and high modularization is fit to this device very much; The core of (SuSE) Linux OS is cut out step and is comprised that UI cuts out, file system is selected, Kernel cuts out and the driver establishment, and the utility model does not need GUI, therefore only needs to carry out three steps of back; Adopt all user programs of C/C++ language development, comprise core subprograms such as hardware initialization program, software initialization program, network communication program, serial communication program, video processing program, Audio Processing program, adopt the cross-compiler compiling of gcc and g++ to obtain object code, in the Flash memory with object code programming auto levelizer, promptly finish the transplanting of embedded OS and application software.
Fig. 2 is a program flow diagram of the present utility model.After system power-on reset or instruction reset, at first start the operating system, executive system parameter configuration instruction then, system parameters comprises that mainly audio frequency and video parameter, network connect parameter and serial communication parameter.Then, set up the TCP server, wait the fault alarm information of the connection request and the elevator state monitor of elevator management platform.The connection request of elevator management platform mainly comprises request configuration-system parameter, request audio/video flow and request elevator state, when device is received the request of elevator management platform, according to the instruction of management platform, transmission of executive system parameter configuration, audio frequency and video and elevator state such as report at task.When device is received the elevator faults information that the elevator state monitor reports, initiatively connect the elevator management platform immediately, and transmit elevator faults information from the elevator state monitor.By waiting the platform instruction and initiatively being connected the platform dual mode, the transmission of the smoothness of information is effectively monitored the elevator state between assurance device and the elevator management platform.
Fig. 3 is an application process schematic diagram of the present utility model.The utility model is used for elevator status monitoring and rescue auxiliary system.A typical elevator status monitoring comprises signals collecting layer, data transfer layer, centre management layer and user application layer with the rescue auxiliary system.The utility model is positioned at data transfer layer, and the communications protocol that the elevator status signal of signals collecting layer acquisition is described according to table 1 sends the centre management layer to, i.e. the elevator management platform.The command signal of centre management layer also is issued to elevator state monitor and voice system through the utility model simultaneously.Application of the present utility model is enforcement elevator status monitoring in city scope, and carries out rescue work by malfunction monitoring signal and audio-video signal when Lift out of order, and the otherwise effective technique support is provided.
In the foregoing description, the elevator management platform can also can be realized the upgrading of software version and systemic-function by the systems soft ware of network updating device by the running parameter of network configuration elevator status monitoring with rescue auxiliary signal remote transmission device.
Claims (4)
1. elevator status monitoring and rescue auxiliary signal remote transmission device, it is characterized in that comprising ARM+DSP double-core embedded type processor, ARM+DSP double-core embedded type processor and program storage FLASH, data storage SDRAM, the power module control connection, be equipped with on the ARM+DSP double-core embedded type processor and be respectively applied for and the elevator state monitor, the RS232 interface that the elevator management platform connects, network communication module also is equipped with and is used for the screen coding module that is connected with camera in the lift car, be used for lift car in pick-up, the audio coding decoding module that loud speaker connects.
2. elevator status monitoring as claimed in claim 1 and rescue auxiliary signal remote transmission device is characterized in that described network communication module is one or both in 3G module, the Ethernet module.
3. elevator status monitoring as claimed in claim 1 and rescue auxiliary signal remote transmission device is characterized in that ARM+DSP double-core master controller and video encoding module pass through I
2The C bus is set up communication and is connected, and the screen coding module adopts four tunnel screen signal input structures, adapts to the vision signal of PAL and TSC-system formula automatically, is used for vision signal is carried out preliminary treatment and is converted to digital signal.
4. elevator status monitoring as claimed in claim 1 and rescue auxiliary signal remote transmission device, it is characterized in that described ARM+DSP double-core embedded type processor sets up communication with the audio coding decoding module by spi bus and be connected, the audio coding decoding module is supported two-way input, two-way output, built-in high s/n ratio
Modulus and D/A converting circuit, audio frequency input sample frequency can be regulated between the 96kHz at 8kHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206066688U CN201869228U (en) | 2010-11-15 | 2010-11-15 | Lift state-monitoring and remote rescue-assisting signal transmission device |
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| CN2010206066688U CN201869228U (en) | 2010-11-15 | 2010-11-15 | Lift state-monitoring and remote rescue-assisting signal transmission device |
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| CN201869228U true CN201869228U (en) | 2011-06-15 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354182A (en) * | 2011-08-12 | 2012-02-15 | 上海富士电梯有限公司 | Elevator information management system based on 3G network |
| CN102616618A (en) * | 2012-03-27 | 2012-08-01 | 杭州优迈科技有限公司 | Elevator remote monitoring system based on 3G technology |
| CN102689825A (en) * | 2012-04-06 | 2012-09-26 | 苏州默纳克控制技术有限公司 | Elevator floor display panel floor address setting system and method therefor |
| CN102868917A (en) * | 2012-09-12 | 2013-01-09 | 广州日滨科技发展有限公司 | Method and system for simultaneously and remotely monitoring multiple elevator videos |
| CN103248873A (en) * | 2013-05-02 | 2013-08-14 | 大连海创高科信息技术有限公司 | Intelligent elevator and operation method |
| CN104891299A (en) * | 2015-06-16 | 2015-09-09 | 中城建托马斯泰州电梯有限公司 | Intelligent elevator monitoring method and system |
| CN105016157A (en) * | 2015-07-24 | 2015-11-04 | 济南智嵌测控技术有限公司 | Novel elevator accident site state parameter transmission device |
| CN108639890A (en) * | 2018-07-20 | 2018-10-12 | 芜湖职业技术学院 | A kind of elevator monitoring system and software architecture |
| CN110342352A (en) * | 2019-07-01 | 2019-10-18 | 比亦特网络科技（天津）有限公司 | A kind of elevator Internet of Things information interaction system |
-
2010
- 2010-11-15 CN CN2010206066688U patent/CN201869228U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354182A (en) * | 2011-08-12 | 2012-02-15 | 上海富士电梯有限公司 | Elevator information management system based on 3G network |
| CN102616618A (en) * | 2012-03-27 | 2012-08-01 | 杭州优迈科技有限公司 | Elevator remote monitoring system based on 3G technology |
| CN102689825A (en) * | 2012-04-06 | 2012-09-26 | 苏州默纳克控制技术有限公司 | Elevator floor display panel floor address setting system and method therefor |
| CN102868917A (en) * | 2012-09-12 | 2013-01-09 | 广州日滨科技发展有限公司 | Method and system for simultaneously and remotely monitoring multiple elevator videos |
| CN102868917B (en) * | 2012-09-12 | 2015-08-26 | 广州日滨科技发展有限公司 | The method and system of the multiple elevator of remote monitoring simultaneously video |
| CN103248873A (en) * | 2013-05-02 | 2013-08-14 | 大连海创高科信息技术有限公司 | Intelligent elevator and operation method |
| CN103248873B (en) * | 2013-05-02 | 2016-11-23 | 大连海创高科信息技术有限公司 | A kind of intelligent elevator and operation method |
| CN104891299A (en) * | 2015-06-16 | 2015-09-09 | 中城建托马斯泰州电梯有限公司 | Intelligent elevator monitoring method and system |
| CN105016157A (en) * | 2015-07-24 | 2015-11-04 | 济南智嵌测控技术有限公司 | Novel elevator accident site state parameter transmission device |
| CN108639890A (en) * | 2018-07-20 | 2018-10-12 | 芜湖职业技术学院 | A kind of elevator monitoring system and software architecture |
| CN110342352A (en) * | 2019-07-01 | 2019-10-18 | 比亦特网络科技（天津）有限公司 | A kind of elevator Internet of Things information interaction system |
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Granted publication date: 20110615 Termination date: 20111115 |