CN104168442A - Construction lift monitoring device based on camera and monitoring method - Google Patents
Construction lift monitoring device based on camera and monitoring method Download PDFInfo
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- CN104168442A CN104168442A CN201310185761.4A CN201310185761A CN104168442A CN 104168442 A CN104168442 A CN 104168442A CN 201310185761 A CN201310185761 A CN 201310185761A CN 104168442 A CN104168442 A CN 104168442A
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Abstract
The invention relates to a construction lift monitoring device based on a camera and a monitoring method. The monitoring device is connected with a supervision center through a communication network. The monitoring device comprises a host, an IC card, the camera and a power module, wherein the host comprises a main control plate and a people counting plate which are connected mutually; the power module is connected with the main control plate and the people counting plate; the people counting plate is connected with the camera; and the IC card is connected with the main control plate. The camera collects internal videos of a lift and transmits the internal videos to the people counting plate; the people counting plate analyzes the video signals to obtain information of the number of people in the lift and sends the information of the number of the people to the main control plate; and the main control plate judges whether the number of people surpasses a preset threshold value, and carries out alarming and locks the lift if the number of people surpasses the preset threshold value. Compared with the prior art, the construction lift monitoring device has the advantages of being easy to install, low in cost, high in precision, and high in safety and the like.
Description
Technical field
The present invention relates to safety detection and control technology field, especially relate to a kind of building hoist supervising device and method for supervising based on camera.
Background technology
Sustainable development along with Chinese national economy, skyscraper increases gradually, build the building hoist quantity sharp increase of skyscraper, building hoist is except being applied in skyscraper, can also be applied in construction, large chemical plant's cooling tower of bridge, the multiple construction occasions such as chimney, broadcasting television tower and colliery in power plant, building hoist has become a kind of requisite plant equipment in building trade.
As the building hoist of bearing vertical transport building material and the dual transport task of personnel, its security performance requires very high.But due to negligent supervision, hysteresis or other reasons, there is more potential safety hazard in the lift of constructing in actual use.For strengthening the safety to the monitoring of lift, guarantee workmen, some safety products on market, have been promoted, such as lift load-carrying monitor, binocular camera shooting head video people counting device, long distance control system etc., state of the art and the problem of existing product are as follows:
1, lay particular emphasis on lift operational factor and environmental monitoring, lack with monitoring administration method and be combined;
2, use binocular camera shooting head to identify number in terraced cage, cost is high;
3, due to binocular camera setting height(from bottom), be subject to the restriction of terraced cage height, difficulty is installed, video statistics blind area is many, causes demographics low precision;
4, demographics and video monitoring disconnect, and do not merge, and conventionally only have video monitoring or demographics;
5, accurately do not measure lift position and time;
6, construction lift is not driven and managed;
7, lack voice message;
8, the powerup issue of not considering construction lift, some safety device cannot directly use in lift, poor practicability;
9, supervisory control system base closed, lacks autgmentability.
Summary of the invention
Object of the present invention is exactly that building hoist supervising device and the method for supervising based on camera of a kind of simple installation, low cost, high accuracy, high security are provided in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions:
A kind of building hoist supervising device based on camera, this supervising device is connected with supervision center by communication network, it is characterized in that, described supervising device comprises main frame, IC-card, camera and power module, described main frame comprises interconnective master control borad and demographics plate, described power module is connected with demographics plate with master control borad respectively, and described demographics plate is connected with camera, and described IC-card is connected with master control borad;
Described camera collection lift interior video, and be transferred to demographics plate, demographics plate analysis vision signal, obtain the inner number information of lift, this number information is sent to master control borad, master control borad judges that whether number surpasses setting threshold, if surpass, reports to the police and locks lift.
Described master control borad comprises a CPU and the power management module, communication module, locating module, LOAD CELLS, IC-card read write line, power supply status Acquisition Circuit, status indicator lamp, memory, RS232 interface, voice warning circuit and the control relay circuit that are connected with a CPU respectively, described power management module is connected with communication module, and described IC-card read write line is connected with IC-card.
Described power management module comprises DC-DC change-over circuit, charge management circuit, reserve battery, power supply switch circuit, a LDO and the 2nd LDO, described DC-DC change-over circuit, charge management circuit, reserve battery, power supply switch circuit connect successively, described power supply switch circuit is connected with DC-DC change-over circuit, a LDO and the 2nd LDO respectively, a described LDO is connected with a CPU, and the 2nd described LDO is connected with communication module.
A described CPU is provided with multichannel DI interface, for gathering main contactor, contactless for hoisting and the decline contactor state of lift, judges the state of lift.
A described CPU is connected with demographics plate by serial port, for obtaining the inner number of lift and controlling demographics plate and take.
Described status indicator lamp comprises power supply indicator, communication indicator light and positioning light.
Described demographics plate comprises the 2nd CPU and the 2nd DC-DC change-over circuit, video processing circuit, Flash circuit, SDRAM circuit, debug i/f circuit and the TF card interface circuit that are connected with the 2nd CPU respectively, and described video processing circuit is connected with camera by video signal interface circuit.
Described power module comprises charger, battery, circuit breaker, line bank and cable fixing head, described cable fixing head is electrically connected to line bank, outside city respectively, described line bank is connected with charger, battery, circuit breaker respectively, and described circuit breaker, charger, battery connect successively.
Described camera is provided with two, is arranged on respectively single file door and the place, duplicate rows doorway of lift ladder cage.
This device is provided with gold-plated standard SMA socket, external positioning antenna.
This device is provided with nickel plating standard SMA socket, external GPRS/GSM antenna.
By being arranged on single file door and duplicate rows doorway in the lifting of lift ladder cage, two video cameras of are respectively set, gather turnover lift interior passenger video, by video identification technology, obtain number of occupants, only have the personnel of turnover ladder door just can be added up.Camera is for passing in and out obtaining of terraced cage image, and the visual angle of the length (L) of terraced cage, wide (W), high (H) and camera is depended in effective supervision district of camera.
The effective visual angle of video camera is c, at terraced cage Width, and visual angle effective depth H1.
H1＝H-0.5*W*tan(90-0.5c)
Conventionally select the wide-angle camera of visual angle 120 degree, visual angle c=120,2.3 meters of terraced cage height, 1.3 meters of width, calculate H1=1.92 rice by above-mentioned formula.Consider camera height 6cm itself, the edge monitoring district, also has 1.86 meters, can meet the requirement of video demographics.
A method for supervising for building hoist supervising device based on camera, is characterized in that, comprises the following steps:
1) master control borad reads IC-card information by IC-card read write line, and judges that whether IC-card information is effective, if yes, and execution step 2), otherwise locking lift, continues execution step 1);
2) master control borad reads elevator locations information, and judges that whether its geographical position is up to specification, if yes, and execution step 3), otherwise locking lift, returns to step 1);
3) judge whether to access load-carrying measuring system, if yes, execution step 4), otherwise, execution step 5);
4) read weight information, and judge whether overload, if yes, voice message overload, locking lift, and return to step 1), otherwise execution step 5);
5) judge whether lift ladder door closes, if yes, execution step 6), otherwise, return to step 1);
6) video camera is taken, and video is sent to demographics plate, and performs step 7);
7) demographics plate calculates number in ladder, and number information is sent to master control borad, master control borad voice broadcast number, and judge whether number surpasses setting threshold, if yes, voice message overload, locking lift, and return to step 5), otherwise carry out step 8);
8) voice message up-downgoing, and demographics result is uploaded to supervision center;
9) remove lift locking, and judge whether lift ladder door closes, as be yes, keep latch-release state, otherwise, return to step 1).
Compared with prior art, the present invention has the following advantages:
1, use common camera but not binocular camera shooting head is identified number in terraced cage, complete demographics, reduced watch-dog cost.
2, monitor that statistical regions is larger than binocular camera shooting head, more than personnel's height at edge, Statistical Area can reach 180cm, statistics more rationally accurately.
3, video demographics is carried out continuously, if passenger adopts certain means to hide demographics, even if lift moves, also the number exceeding is taken pictures, and processes afterwards.
4, video demographics technology and camera function are perfect merges, and not only adds up seats, and when the each up-downgoing of lift starts, has preserved and entered personnel's photo in terraced cage, and photo retains in device TF card.
5, use satellite positioning tech, improve the accuracy of know clearly setup time and positional information.
6, utilize satellite location data positional information, locking lift working range, only in the position of regulation, qualified lift just allows to use on inspection.
7, strengthen IC-card management function, only had qualified effective IC could start lift.
8, the lift that IC-card retains adds up the operating time, duty cycle number of times can be for the assessment in lift life-span.
9, device obtains lift operating state by gathering the idle auxiliary contact of contactor, does not change former lift electric control system, so can not bring potential safety hazard.
10, with speech form prompting lift seats and alarm condition.
11, record data fail safe is good, and work cycle number of times is not only retained in device main frame with accumulative total work, is also retained in IC-card neutralized system.
12, use auxiliary power supply, solve terraced cage whole lift power-off problem when ground, only have the power-off problem that solved, device could be steadily, effectively operation, do not allow user of service wait for.
13, possess communication function, in real time lift seats are reported to Surveillance center, for safety supervision, department provides effective means.
14, built-in reserve battery, when maintenance device externally fed damages, energy and alarm
Accompanying drawing explanation
Fig. 1 is general principles block diagram of the present invention;
Fig. 2 is the theory diagram of master control borad of the present invention;
Fig. 3 is the theory diagram of number statistics plate of the present invention;
Fig. 4 is the theory diagram of power module of the present invention;
Fig. 5 is workflow diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, one building hoist supervising device based on camera, this supervising device is connected with supervision center by communication network, described supervising device comprises main frame, IC-card, camera 4 and power module 1, described main frame comprises interconnective master control borad 2 and demographics plate 3, described power module 1 is connected with demographics plate 3 with master control borad 2 respectively, and described demographics plate 3 is connected with camera 4, and described IC-card is connected with master control borad 2;
Described camera 4 gathers lift interior video, and be transferred to demographics plate 3, demographics plate 3 is analyzed vision signal, obtain the inner number information of lift, this number information is sent to master control borad 2, master control borad 2 judges that whether number surpasses setting threshold, if surpass, reports to the police and locks lift.
IC-card is used for recording lift important parameter and accumulative total operating time, duty cycle number of times.
As shown in Figure 2, described master control borad 2 comprises a CPU201 and the power management module 206, communication module 202, locating module 203, LOAD CELLS 204, IC-card read write line 205, power supply status Acquisition Circuit, status indicator lamp, memory, RS232 interface, voice warning circuit and the control relay circuit that are connected with a CPU201 respectively, described power management module 206 is connected with communication module 202, described IC-card read write line 205 is connected with IC-card, and described memory is ferroelectric/flash.
Described power management module 206 comprises DC-DC change-over circuit 2061, charge management circuit 2062, reserve battery 2063, power supply switch circuit 2064, the one LDO2065 and the 2nd LDO2066, described DC-DC change-over circuit 2061, charge management circuit 2062, reserve battery 2063, power supply switch circuit 2064 connects successively, described power supply switch circuit 2064 respectively with DC-DC change-over circuit 2061, the one LDO2065 is connected with the 2nd LDO2066, a described LDO2065 is connected with a CPU201, the 2nd described LDO2066 is connected with communication module 202.
A described CPU201 is provided with multichannel DI interface, for gathering main contactor, contactless for hoisting and the decline contactor state of lift, judges the state of lift.A described CPU201 is connected with demographics plate by serial port, for obtaining the inner number of lift and controlling demographics plate and take.Described status indicator lamp comprises power supply indicator, communication indicator light and positioning light.
The present embodiment adopts Cortex M332 position MCU, model EFM32G380 is as a CPU, realize IC-card data acquisition and management, satellite positioning information collection and management, lift power supply, rising, lower degradation state acquisition, lift locking, work indication, alarm, telecommunication, monitor data record and communicate with demographics plate, while the state such as not meeting, does not mate position at the super regulation of number, IC-card, locking lift, forbid that lift uses, MCU reserves 2 tunnel LOAD CELLS AI acquisition interface, and overload during practical function expansion is controlled;
Use the DC-DC change-over circuit (TI company's T PS5430 chip) of TI company, DC12V power supply is transformed to DC+5V power supply, inner for master control borad, and before DC-DC circuit, use resettable fuse, piezo-resistance, voltage-stabiliser tube, triode HeIRF company rectifier to complete power supply prime protective circuit;
Use charge management circuit (control chip GS1405) to carry out Charge Management to 3.7V lithium battery, this charging circuit output is for connecting communication module VBAT input;
Use the LDO (5V-3.3V) of band shutoff control respectively to master control borad circuit and the locating interface plate power supply of communicating by letter;
Adopt gsm module to realize the data communication of GPRS mode, the built-in ICP/IP protocol of module and note, module adopts Telit868GL;
Adopt GPS module or the Big Dipper/GPS compatible modules as satellite receiver, while using pure GPS, module adopts TelitN3 module; While using the Big Dipper, adopt and the logical UM220 module of star core;
The synthetic output of support voice (TTS), with speech form prompting lift seats and alarm condition;
Adopt 3.7V, 800mAh lithium battery is as reserce cell;
Adopt Ramtron ferroelectric memory, as fast-sampled data, preserve, collection per second once, retains lift running status more than 10 minutes;
Adopt Flash memory, Atmel AT25DF series is as data record, and recording capacity is greater than lift 100,000 subjob cycle index; Operating state LED indication adopts logical circuit 7414 to drive; Digital controlled signal output adopts signal relay to realize; Switching signal is by light-coupled isolation.
As shown in Figure 3, demographics plate comprises the 2nd CPU301 and the 2nd DC-DC change-over circuit 302, video processing circuit 303, Flash circuit 305, SDRAM circuit 306, working station indicator 307, debug i/f circuit 308 and the TF card interface circuit 309 that are connected with the 2nd CPU301 respectively, and described video processing circuit 303 is connected with camera by video signal interface circuit 304.Demographics plate connects TF card by TF card interface circuit, by serial port circuit, is connected with master control borad, by debug i/f circuit, be connected with external computer,
The 2nd CPU301 of the present embodiment adopts the Samsung S5PV210 of Samsung, based on Cortex-A8, and operation dominant frequency 1Ghz;
Video processing circuit 303 adopts the TVP5150 super low-power consumption Video Decoder of TI company to realize;
Video signal interface circuit 304 adopts 4 core aviation interface connectors to connect camera, analog signal;
Program storage (Flash) adopts 1G Bit, and 1GB MLC NAND Flash adopts Samsung's product;
Internal memory (SDRAM), 512MB DDR2RAM, adopts Samsung's product;
Communication interface protective circuit adopts the realizations such as TVS pipe, piezo-resistance.
As shown in Figure 4, power module comprises charger 104, battery 105, circuit breaker 103, line bank 102 and cable fixing head 101, described cable fixing head 101 is electrically connected to line bank 102, outside city respectively, described line bank 102 is connected with charger 104, battery 105, circuit breaker 103 respectively, and described circuit breaker 103, charger 104, battery 105 connect successively.
Described power module provides continuous DC power supply for main frame, and the present embodiment is used 220V AC charger to carry out floating charge to 12V lithium battery, and lithium battery capacity is 10Ahr; For protection power source, at 220V ac input end, adopt the CB-60 of Zheng Tai company circuit breaker as input protection; Use the drained one-tenth external power source access of terminal and direct current output, and be fixed and water-proofing treatment by nylon cable gland.
This device is provided with gold-plated standard SMA socket, external positioning antenna.This device is provided with nickel plating standard SMA socket, external GPRS/GSM antenna.
As shown in Figure 5, workflow of the present invention is as follows:
1) master control borad reads IC-card information by IC-card read write line, and judges that whether IC-card information is effective, if yes, and execution step 2), otherwise locking lift, continues execution step 1);
2) master control borad reads elevator locations information, and judges that whether its geographical position is up to specification, if yes, and execution step 3), otherwise locking lift, returns to step 1);
3) judge whether to access load-carrying measuring system, if yes, execution step 4), otherwise, execution step 5);
4) read weight information, and judge whether overload, if yes, voice message overload, locking lift, and return to step 1), otherwise execution step 5);
5) judge whether lift ladder door closes, if yes, execution step 6), otherwise, return to step 1);
6) video camera is taken, and video is sent to demographics plate, and performs step 7);
7) demographics plate calculates number in ladder, and number information is sent to master control borad, master control borad voice broadcast number, and judge whether number surpasses setting threshold, if yes, voice message overload, locking lift, and return to step 5), otherwise carry out step 8);
8) voice message up-downgoing, and demographics result is uploaded to supervision center;
9) remove lift locking, and judge whether lift ladder door closes, as be yes, keep latch-release state, otherwise, return to step 1).
Claims (10)
1. the building hoist supervising device based on camera, this supervising device is connected with supervision center by communication network, it is characterized in that, described supervising device comprises main frame, IC-card, camera and power module, described main frame comprises interconnective master control borad and demographics plate, described power module is connected with demographics plate with master control borad respectively, and described demographics plate is connected with camera, and described IC-card is connected with master control borad;
Described camera collection turnover lift video, and be transferred to demographics plate, demographics plate analysis vision signal, obtain the inner number information of lift, this number information is sent to master control borad, master control borad judges that whether number surpasses setting threshold, if surpass, reports to the police and locks lift.
2. a kind of building hoist supervising device based on camera according to claim 1, it is characterized in that, described master control borad comprises a CPU and the power management module, communication module, locating module, LOAD CELLS, IC-card read write line, power supply status Acquisition Circuit, status indicator lamp, memory, RS232 interface, voice warning circuit and the control relay circuit that are connected with a CPU respectively, described power management module is connected with communication module, and described IC-card read write line is connected with IC-card.
3. a kind of building hoist supervising device based on camera according to claim 2, it is characterized in that, described power management module comprises DC-DC change-over circuit, charge management circuit, reserve battery, power supply switch circuit, a LDO and the 2nd LDO, described DC-DC change-over circuit, charge management circuit, reserve battery, power supply switch circuit connect successively, described power supply switch circuit is connected with DC-DC change-over circuit, a LDO and the 2nd LDO respectively, a described LDO is connected with a CPU, and the 2nd described LDO is connected with communication module.
4. a kind of building hoist supervising device based on camera according to claim 2, it is characterized in that, a described CPU is provided with multichannel DI interface, for gathering main contactor, contactless for hoisting and the decline contactor state of lift, judges the state of lift.
5. a kind of building hoist supervising device based on camera according to claim 2, is characterized in that, a described CPU is connected with demographics plate by serial port, for obtaining the inner number of lift and controlling demographics plate and take.
6. a kind of building hoist supervising device based on camera according to claim 2, is characterized in that, described status indicator lamp comprises power supply indicator, communication indicator light and positioning light.
7. a kind of building hoist supervising device based on camera according to claim 1, it is characterized in that, described demographics plate comprises the 2nd CPU and the 2nd DC-DC change-over circuit, video processing circuit, Flash circuit, SDRAM circuit, debug i/f circuit and the TF card interface circuit that are connected with the 2nd CPU respectively, and described video processing circuit is connected with camera by video signal interface circuit.
8. a kind of building hoist supervising device based on camera according to claim 1, it is characterized in that, described power module comprises charger, battery, circuit breaker, line bank and cable fixing head, described cable fixing head is electrically connected to line bank, outside city respectively, described line bank is connected with charger, battery, circuit breaker respectively, and described circuit breaker, charger, battery connect successively.
9. a kind of building hoist supervising device based on camera according to claim 1, is characterized in that, described camera is provided with two, is arranged on respectively single file door and the place, duplicate rows doorway of lift ladder cage.
10. a method for supervising for the building hoist supervising device based on camera as described in claim 2 or 7, is characterized in that, comprises the following steps:
1) master control borad reads IC-card information by IC-card read write line, and judges that whether IC-card information is effective, if yes, and execution step 2), otherwise locking lift, continues execution step 1);
2) master control borad reads elevator locations information, and judges that whether its geographical position is up to specification, if yes, and execution step 3), otherwise locking lift, returns to step 1);
3) judge whether to access load-carrying measuring system, if yes, execution step 4), otherwise, execution step 5);
4) read weight information, and judge whether overload, if yes, voice message overload, locking lift, and return to step 1), otherwise execution step 5);
5) judge whether lift ladder door closes, if yes, execution step 6), otherwise, return to step 1);
6) video camera is taken, and video is sent to demographics plate, and performs step 7);
7) demographics plate calculates number in ladder, and number information is sent to master control borad, master control borad voice broadcast number, and judge whether number surpasses setting threshold, if yes, voice message overload, locking lift, and return to step 5), otherwise carry out step 8);
8) voice message up-downgoing, and demographics result is uploaded to supervision center;
9) remove lift locking, and judge whether lift ladder door closes, as be yes, keep latch-release state, otherwise, return to step 1).
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| CN201310185761.4A CN104168442A (en) | 2013-05-17 | 2013-05-17 | Construction lift monitoring device based on camera and monitoring method |
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| CN201310185761.4A CN104168442A (en) | 2013-05-17 | 2013-05-17 | Construction lift monitoring device based on camera and monitoring method |
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| CN105060059A (en) * | 2015-07-28 | 2015-11-18 | 海安县申菱电器制造有限公司 | Elevator weighing device |
| CN105137205A (en) * | 2015-10-20 | 2015-12-09 | 西华大学 | Electromagnetic pulse electric field measurement system |
| CN105291111A (en) * | 2015-11-27 | 2016-02-03 | 深圳市神州云海智能科技有限公司 | Patrol robot |
| CN107872647A (en) * | 2016-09-26 | 2018-04-03 | 河南星云慧通信技术有限公司 | Security monitoring multi-cam call method |
| CN107973193A (en) * | 2017-11-07 | 2018-05-01 | 广东广业开元科技有限公司 | A kind of gravity sensing elevator monitoring system and control method based on technology of Internet of things |
| CN109205419A (en) * | 2018-11-15 | 2019-01-15 | 枣庄矿业集团高庄煤业有限公司 | A kind of more guidance systems for cage safe operation |
| CN111422717A (en) * | 2020-04-16 | 2020-07-17 | 程霖锋 | Building construction elevator number of people identification system |
| CN114314243A (en) * | 2022-01-10 | 2022-04-12 | 徐工汉云技术股份有限公司 | Elevator overload alarm system and method based on video identification technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105060059A (en) * | 2015-07-28 | 2015-11-18 | 海安县申菱电器制造有限公司 | Elevator weighing device |
| CN105137205A (en) * | 2015-10-20 | 2015-12-09 | 西华大学 | Electromagnetic pulse electric field measurement system |
| CN105291111A (en) * | 2015-11-27 | 2016-02-03 | 深圳市神州云海智能科技有限公司 | Patrol robot |
| CN107872647A (en) * | 2016-09-26 | 2018-04-03 | 河南星云慧通信技术有限公司 | Security monitoring multi-cam call method |
| CN107973193A (en) * | 2017-11-07 | 2018-05-01 | 广东广业开元科技有限公司 | A kind of gravity sensing elevator monitoring system and control method based on technology of Internet of things |
| CN109205419A (en) * | 2018-11-15 | 2019-01-15 | 枣庄矿业集团高庄煤业有限公司 | A kind of more guidance systems for cage safe operation |
| CN111422717A (en) * | 2020-04-16 | 2020-07-17 | 程霖锋 | Building construction elevator number of people identification system |
| CN114314243A (en) * | 2022-01-10 | 2022-04-12 | 徐工汉云技术股份有限公司 | Elevator overload alarm system and method based on video identification technology |
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Application publication date: 20141126 |
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