CN106516928A - Elevator acceleration and deceleration detection device and method based on wireless communication technology - Google Patents
Elevator acceleration and deceleration detection device and method based on wireless communication technology Download PDFInfo
- Publication number
- CN106516928A CN106516928A CN201710022622.8A CN201710022622A CN106516928A CN 106516928 A CN106516928 A CN 106516928A CN 201710022622 A CN201710022622 A CN 201710022622A CN 106516928 A CN106516928 A CN 106516928A
- Authority
- CN
- China
- Prior art keywords
- data
- wireless communication
- elevator
- acquisition unit
- mobile touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an elevator acceleration and deceleration detection device and method based on the wireless communication technology. The device comprises a data collection device, a wireless communication module, a power supply module, a data control module and a mobile touch terminal. The data collection device, the data control module, the wireless communication module and the mobile touch terminal are sequentially connected; the power supply module supplies power to the data collection device; the data collection device transmits collected original data to the data control module to be processed, and the data processed through the data control module are transmitted to the mobile touch terminal through the wireless communication module in a wireless manner, and the mobile touch terminal controls starting or stop of the data collected by the data collection device according to the ascending or descending state of an elevator car. The wireless transmission technology is used, separation of the data collection device and the mobile touch terminal is achieved, and a detection person can conveniently carry out watching and control.
Description
Technical field
The present invention relates to the research field of radio detection, more particularly to a kind of elevator acceleration and deceleration based on wireless communication technology
Degree detection means and method.
Background technology
So far, China is surpassing 4,000,000, particularly last decade with elevator, and elevator is incremented by more than 20% every year on average.This
A distinguishing feature of China's elevator is created just：It is young.China is not generally long with elevator service life.In Shanghai,
The current elevator owning amount in Shanghai City surpasses 130,000, is that the whole world possessed the most city of elevator, but wherein service life more than 10 years
Elevator only account for 19%.Just because of the characteristics of China's elevator has " youth ", thus old elevator components are aging, reliability with
Reduce, fault rate increasingly will be highlighted the problems such as increase.Although China was just issued and implemented in 2007《Elevator, help automatically
Ladder and moving sidewalk risk assessment and the method for reducing》GB/T 20900-2007, but it is at present actually used and few.
During elevator " old-age group ", it would be desirable to using corresponding detection means, its safe thing is found and prevents in advance
Therefore occur.On market, to elevator acceleration-deceleration context of detection, external product is mainly still utilized, there is complex operation, can not show
The features such as field is directly viewable testing result, man-machine interaction difference.It is continuously increased in elevator quantity, elevator quick " old-age group " changes process
In, study it is a kind of it is simple to operate, can the real time inspection elevator good with testing result, man-machine interaction is shared acceleration-deceleration detection
Method is particularly significant.
The content of the invention
Present invention is primarily targeted at overcoming the shortcoming and deficiency of prior art, there is provided a kind of to be based on wireless communication technology
Elevator acceleration-deceleration detection means and method, using Radio Transmission Technology, realize data acquisition unit with mobile touch control terminal
Separation, when solving detection in car someone disturbing factor, facilitate testing staff observation and control elevator.
In order to reach above-mentioned purpose, the present invention is employed the following technical solutions：
The invention discloses a kind of elevator acceleration-deceleration detection means based on wireless communication technology, including data acquisition dress
Put, wireless communication module, supply module, data control block and mobile touch control terminal, the data acquisition unit, data
Control module, wireless communication module and mobile touch control terminal are linked in sequence, and the supply module is powered for data acquisition unit；
The original data transmissions of collection are processed by the data acquisition unit to data control block, at data control block
Data after reason are wirelessly transmitted to mobile touch control terminal, the mobile touch control terminal root by wireless communication module
According to the state of lift car upstream or downstream, control data harvester gathered data is started or stoped.
Used as preferred technical scheme, the data acquisition unit includes 3-axis acceleration sensor and sound transducer,
For gathering the initial data of the speed, vibration and sound of three axial directions of lift car, the data acquisition unit has height
Adjustable four support the bases that wedge angle is constituted, the 3-axis acceleration sensor and sound transducer and data control block
Connection.
Used as preferred technical scheme, the data control block includes isolation circuit, filter circuit and memory, number
Filtered by filter circuit being entered into after isolation circuit isolation according to the initial data that harvester is gathered, be then transmit to
Filtering data is reached wireless communication module by memory, memory again.
Used as preferred technical scheme, the wireless communication module is the wireless communication module using WIFI equipment.
Used as preferred technical scheme, the supply module includes lithium battery, charge-discharge circuit and battery detecting list
Unit, the charge-discharge circuit and lithium battery are connected with battery detection unit, and are directly supplied for data acquisition unit by lithium battery
Electricity.
Used as preferred technical scheme, the mobile touch control terminal is smart mobile phone or intelligence PAD.
Present invention also offers a kind of detection method of the elevator acceleration-deceleration detection means based on wireless communication technology, bag
Include following step：
1) data acquisition unit passes through its 3-axis acceleration sensor and sound transducer, gathers three axial directions of lift car
Speed, vibration and sound initial data；
2) data control block is filtered process to the initial data that data acquisition unit is gathered, and draws the electricity after filtering
The measurement data of three axle speeds, vibration and sound of ladder；
3) by wireless communication module, data control block is by the data transfer after process to mobile touch control terminal；
4) measurement data that mobile touch control terminal is received, detects the data processing of APP by elevator acceleration-deceleration, will process
Data are displayed in software interface in real time afterwards, and can preserve, inquire about, wireless printing；Meanwhile, wireless network or mobile network can be passed through
Measurement data is uploaded to into database and other network terminals.
Used as preferred technical scheme, the data control block is filtered to the initial data that data acquisition unit is gathered
What ripple was processed concretely comprises the following steps：
After the initial data that data acquisition unit is gathered is by isolation and filtering process, and data transfer after processing
To memory, data are reached wireless communication module by memory again.
As preferred technical scheme, step 2) in, the data that will be received from control module, by WiFi module and accordingly
Communication protocol, sent to the mobile touch control terminal for having connected in real time.
As preferred technical scheme, step 4) in, touch control terminal is moved by the measurement data of real-time reception, through threshold value
Segmentation and Mathematical Modeling, draw testing result, and are displayed in software interface in real time by figure and greatest measure mode, with figure and
Testing result form is preserved；Wherein, graphical display content includes accelerating curve, rate curve, jerk curve, position
Curve, noise figure change curve are moved, the testing result form of preservation includes that the peak acceleration of elevator, A95 acceleration, maximum subtract
Speed, A95 deceleration, elevator run time, range ability, elevator maximal rate, V95 speed datas；Meanwhile, with inquiry and
Wireless printing；And measurement data can be uploaded to by database and other network terminals by wireless network or mobile network.
The present invention compared with prior art, has the advantage that and beneficial effect：
1st, the present invention utilizes Radio Transmission Technology, realizes that data acquisition unit is separated with mobile touch control terminal, solves
During detection in car someone disturbing factor, facilitate the observation and control of testing staff.
2nd, mobile touch control terminal of the invention is by special-purpose software, show in real time elevator running state various curve maps and
Detection numerical value, realizes live quick analysis testing result, and testing result can be preserved, be checked, on-site wireless is printed, by wireless
Network or mobile network's real-time sharing are to other network terminals；And, mobile touch control terminal can show have using panel computer
Good man-machine interaction characteristic.
3rd, data acquisition unit of the invention has height adjustable and supports wedge angle to be bottom by four that optimum pressure is designed
Seat, preferably can be contacted with car ground, and collection signal is more reliable accurately.
4th, the data acquisition unit of high integration of the present invention and light and handy mobile touch control terminal so that the detection dress of the invention
Put very light；Which adopts Large Copacity power-supply service, and cruising time is long, convenient outgoing detection.
Description of the drawings
Fig. 1 is the principle framework map that elevator of the present invention adds and subtracts speed detector；
Fig. 2 is the enforcement schematic diagram of elevator of the present invention；
Fig. 3 is the flow chart of the inventive method；
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment
As shown in figure 1, a kind of elevator acceleration-deceleration based on wireless communication technology of the present embodiment is detected, including data acquisition
Device, wireless communication module, supply module, data control block and mobile touch control terminal, the data acquisition unit, number
It is linked in sequence according to control module, wireless communication module and mobile touch control terminal, the supply module is supplied for data acquisition unit
Electricity；The original data transmissions of collection are processed by the data acquisition unit to data control block, through Data Control mould
Data after block process are wirelessly transmitted to mobile touch control terminal, the mobile touch-control end by wireless communication module
Hold according to the state of lift car upstream or downstream, control data harvester gathered data is started or stoped.
The data acquisition unit includes 3-axis acceleration sensor and sound transducer, for gathering the three of lift car
The initial data of the speed, vibration and sound of axial direction, the data acquisition unit have the adjustable four supports wedge angle group of height
Into base, the 3-axis acceleration sensor and sound transducer are connected with data control block.In data acquisition unit
Sensor, wireless communication module, supply module, data control block are put.During detection, data acquisition unit is positioned over elevator car
Railway carriage or compartment centre position, opens the special-purpose software of mobile touch control terminal, by wireless communication module pairing connection data acquisition unit with
Touch control terminal.Then, the special-purpose software of mobile touch control terminal is operated, according to lift car upstream or downstream, control data collection
Device gathered data is started or stoped.Using the built-in sensor of data acquisition unit, three axles when elevator runs can be gathered
To the initial data of speed, acceleration and sound, and the initial data of collection is transmitted to data control block.Data Control
The filtering process of module initial data, draws the data after filtering process, and utilizes wireless communication module, by data transfer
To mobile touch control terminal.
The data control block includes isolation circuit, filter circuit and memory, the original of data acquisition unit collection
Beginning data are filtered by entering into filter circuit after isolation circuit isolation, are then transmit to memory, and memory again will
Filtering data reaches wireless communication module.
The wireless communication module includes being the wireless communication module using WIFI equipment
The supply module includes lithium battery, charge-discharge circuit and battery detection unit, the charge-discharge circuit and
Lithium battery is connected with battery detection unit, and is directly powered for data acquisition unit by lithium battery.
The mobile touch control terminal is smart mobile phone or intelligence PAD, naturally it is also possible to for other intelligent terminals.
As shown in Fig. 2 the present invention it is actually used during, data acquisition unit 2 is arranged in elevator cage 1, number
Also communicated with mobile terminal by wireless communication module according to harvester 2, testing staff can be in mobile touch control terminal
Various curve maps and detection numerical value of elevator running state in special-purpose software, are directly shown in real time, and draw testing result.Together
When, wireless network or the mobile network of mobile touch control terminal can be passed through, and testing result can be uploaded or share in real time to other networks
Terminal, also can be by wireless printer, field print testing result.
A kind of elevator acceleration-deceleration detection method based on wireless communication technology of the present embodiment, as shown in figure 3, concrete wrap
Include following steps：
S1, data acquisition unit pass through its 3-axis acceleration sensor and sound transducer, gather three axles of lift car
To speed, vibration and sound initial data.
S2, data control block are filtered process to the initial data that data acquisition unit is gathered, and draw the three of elevator
The measurement data of axle speed, vibration and sound.
S3, by wireless communication module, data control block is by the data transfer after process to mobile touch control terminal.
The measurement data that S4, mobile touch control terminal are received, by the data processing of special-purpose software, after processing, data are real-time
Be displayed in software interface, and can preserve, inquire about, wireless printing；Meanwhile, wireless network or mobile network can be passed through by measurement data
It is uploaded to database and other network terminals.
The measurement data of real-time reception through the threshold segmentation and Mathematical Modeling of special-purpose software, is obtained by mobile touch control terminal
Go out testing result, and software interface is displayed in real time by figure and greatest measure mode, with figure and testing result form
Preserve；Wherein, graphical display content includes that accelerating curve, rate curve, jerk curve, displacement curve, noise figure become
Change curve, the testing result form of preservation include the peak acceleration of elevator, A95 acceleration, maximum deceleration, A95 deceleration,
Elevator run time, range ability, elevator maximal rate, V95 speed datas；Meanwhile, with inquiry and wireless printing；And can lead to
Cross wireless network or mobile network and measurement data is uploaded to into database and other network terminals.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention not by above-described embodiment
Limit, other any Spirit Essences without departing from the present invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of elevator acceleration-deceleration detection means based on wireless communication technology, it is characterised in that including data acquisition unit,
Wireless communication module, supply module, data control block and mobile touch control terminal, the data acquisition unit, Data Control
Module, wireless communication module and mobile touch control terminal are linked in sequence, and the supply module is powered for data acquisition unit；It is described
The original data transmissions of collection are processed by data acquisition unit to data control block, after data control block process
Data by wireless communication module, wirelessly transmit to mobile touch control terminal, the mobile touch control terminal is according to electricity
The state of terraced car upstream or downstream, control data harvester gathered data are started or stoped.
2. elevator acceleration-deceleration detection means according to claim 1 based on wireless communication technology, it is characterised in that described
Data acquisition unit includes 3-axis acceleration sensor and sound transducer, for gather three axial directions of lift car speed,
Vibration and the initial data of sound, the data acquisition unit have adjustable four bases for supporting wedge angle composition of height, institute
State 3-axis acceleration sensor and sound transducer is connected with data control block.
3. elevator acceleration-deceleration detection means according to claim 1 based on wireless communication technology, it is characterised in that described
Data control block includes isolation circuit, filter circuit and memory, the initial data of data acquisition unit collection by every
Filter circuit is entered into after circuit isolation to be filtered, memory is then transmit to, filtering data is reached by memory again
Wireless communication module.
4. elevator acceleration-deceleration detection means according to claim 1 based on wireless communication technology, it is characterised in that described
Wireless communication module is the wireless communication module using WIFI equipment.
5. elevator acceleration-deceleration detection means according to claim 1 based on wireless communication technology, it is characterised in that described
Supply module include lithium battery, charge-discharge circuit and battery detection unit, the charge-discharge circuit and lithium battery with electricity
Pond detector unit connection, and directly powered for data acquisition unit by lithium battery.
6. elevator acceleration-deceleration detection means according to claim 1 based on wireless communication technology, it is characterised in that described
Mobile touch control terminal is smart mobile phone or intelligence PAD.
7. the inspection of the elevator acceleration-deceleration detection means based on wireless communication technology according to any one of claim 1-6
Survey method, it is characterised in that comprise the steps：
1) data acquisition unit passes through its 3-axis acceleration sensor and sound transducer, gathers the speed of three axial directions of lift car
The initial data of degree, vibration and sound；
2) data control block is filtered process to the initial data that data acquisition unit is gathered, and draws the elevator after filtering
The measurement data of three axle speeds, vibration and sound；
3) by wireless communication module, data control block is by the data transfer after process to mobile touch control terminal；
4) measurement data that mobile touch control terminal is received, detects the data processing of APP by elevator acceleration-deceleration, number after processing
Be displayed in software interface when factually, and can preserve, inquire about, wireless printing；Meanwhile, wireless network can be passed through or mobile network will survey
Amount data are uploaded to database and other network terminals.
8. detection method according to claim 7, it is characterised in that step 2) in, the data control block is to data
The initial data of harvester collection is filtered concretely comprising the following steps for process：
After the initial data that data acquisition unit is gathered is by isolation and filtering process, and by data transfer after process to depositing
Data are reached wireless communication module by reservoir, memory again.
9. detection method according to claim 7, it is characterised in that step 3) in, wireless communication module will be from control mould
The data that block is received, by WiFi module and corresponding communication protocol, are sent in real time to the mobile touch control terminal for having connected.
10. detection method according to claim 7, it is characterised in that step 4) in, mobile touch control terminal is by real-time reception
Measurement data, through threshold segmentation and Mathematical Modeling, draw testing result, and shown by figure and greatest measure mode in real time
In software interface, preserved with figure and testing result form；Wherein, graphical display content includes accelerating curve, speed
Curve, jerk curve, displacement curve, noise figure change curve, the testing result form of preservation include elevator most greatly
Speed, A95 acceleration, maximum deceleration, A95 deceleration, elevator run time, range ability, elevator maximal rate, V95 are fast
Degrees of data；Meanwhile, with inquiry and wireless printing；And measurement data can be uploaded to by data by wireless network or mobile network
Storehouse and other network terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022622.8A CN106516928A (en) | 2017-01-12 | 2017-01-12 | Elevator acceleration and deceleration detection device and method based on wireless communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022622.8A CN106516928A (en) | 2017-01-12 | 2017-01-12 | Elevator acceleration and deceleration detection device and method based on wireless communication technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106516928A true CN106516928A (en) | 2017-03-22 |
Family
ID=58335432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710022622.8A Pending CN106516928A (en) | 2017-01-12 | 2017-01-12 | Elevator acceleration and deceleration detection device and method based on wireless communication technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106516928A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100795A (en) * | 2017-12-20 | 2018-06-01 | 浙江省特种设备检验研究院 | A kind of detection mancarried device of accidental movement of elevator cage |
| CN108609449A (en) * | 2018-06-22 | 2018-10-02 | 福建省特种设备检验研究院 | A kind of sensor-based intelligent elevator detector and detection method |
| CN108761118A (en) * | 2018-05-28 | 2018-11-06 | 深圳市特种设备安全检验研究院 | A kind of elevator speed measuring instrument, measuring system and measurement method |
| CN108928698A (en) * | 2018-08-16 | 2018-12-04 | 李柔漪 | A kind of used during elevator falling protection system |
| CN110745659A (en) * | 2019-09-20 | 2020-02-04 | 浙江升航电子科技有限公司 | Internet of things system of construction elevator all-in-one machine |
| CN112929332A (en) * | 2021-01-19 | 2021-06-08 | 北京睿芯高通量科技有限公司 | Multi-axis object motion detection system and detection method |
| CN113734929A (en) * | 2021-09-17 | 2021-12-03 | 猫岐智能科技（上海）有限公司 | System and method for continuously acquiring elevator running acceleration data |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602451A (en) * | 2009-04-29 | 2009-12-16 | 苏州新达电扶梯部件有限公司 | Elevator monitoring device |
| GB2477149A (en) * | 2010-01-25 | 2011-07-27 | Mike Dawson | Elevator monitoring system |
| CN202245590U (en) * | 2011-06-03 | 2012-05-30 | 浙江大学城市学院 | Control device for elevator maintenance based on acceleration sensor |
| CN202754650U (en) * | 2012-07-31 | 2013-02-27 | 江苏省特种设备安全监督检验研究院淮安分院 | Elevator balance coefficient measurement instrument |
| CN203095324U (en) * | 2012-12-28 | 2013-07-31 | 杭州亿恒科技有限公司 | Tester of overall performance of elevator |
| CN104925609A (en) * | 2015-06-29 | 2015-09-23 | 周志鸿 | Elevator accelerated speed detection apparatus and system |
| CN204702347U (en) * | 2015-06-08 | 2015-10-14 | 成都纺织高等专科学校 | A kind of elevator safety checking system |
| CN105035899A (en) * | 2015-06-03 | 2015-11-11 | 沈阳市蓝光自动化技术有限公司 | Elevator debugging method based on intelligent mobile phone |
| CN206502480U (en) * | 2017-01-12 | 2017-09-19 | 广东省特种设备检测研究院 | A kind of elevator acceleration-deceleration detection means based on wireless communication technology |
-
2017
- 2017-01-12 CN CN201710022622.8A patent/CN106516928A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101602451A (en) * | 2009-04-29 | 2009-12-16 | 苏州新达电扶梯部件有限公司 | Elevator monitoring device |
| GB2477149A (en) * | 2010-01-25 | 2011-07-27 | Mike Dawson | Elevator monitoring system |
| CN202245590U (en) * | 2011-06-03 | 2012-05-30 | 浙江大学城市学院 | Control device for elevator maintenance based on acceleration sensor |
| CN202754650U (en) * | 2012-07-31 | 2013-02-27 | 江苏省特种设备安全监督检验研究院淮安分院 | Elevator balance coefficient measurement instrument |
| CN203095324U (en) * | 2012-12-28 | 2013-07-31 | 杭州亿恒科技有限公司 | Tester of overall performance of elevator |
| CN105035899A (en) * | 2015-06-03 | 2015-11-11 | 沈阳市蓝光自动化技术有限公司 | Elevator debugging method based on intelligent mobile phone |
| CN204702347U (en) * | 2015-06-08 | 2015-10-14 | 成都纺织高等专科学校 | A kind of elevator safety checking system |
| CN104925609A (en) * | 2015-06-29 | 2015-09-23 | 周志鸿 | Elevator accelerated speed detection apparatus and system |
| CN206502480U (en) * | 2017-01-12 | 2017-09-19 | 广东省特种设备检测研究院 | A kind of elevator acceleration-deceleration detection means based on wireless communication technology |
Non-Patent Citations (1)
| Title |
|---|
| 宴华成: "PLC内部结构", 《电气控制与PLC应用技术项目式教程 三菱机型》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100795A (en) * | 2017-12-20 | 2018-06-01 | 浙江省特种设备检验研究院 | A kind of detection mancarried device of accidental movement of elevator cage |
| CN108761118A (en) * | 2018-05-28 | 2018-11-06 | 深圳市特种设备安全检验研究院 | A kind of elevator speed measuring instrument, measuring system and measurement method |
| CN108609449A (en) * | 2018-06-22 | 2018-10-02 | 福建省特种设备检验研究院 | A kind of sensor-based intelligent elevator detector and detection method |
| CN108609449B (en) * | 2018-06-22 | 2023-09-15 | 福建省特种设备检验研究院 | Intelligent elevator detector based on sensor and detection method |
| CN108928698A (en) * | 2018-08-16 | 2018-12-04 | 李柔漪 | A kind of used during elevator falling protection system |
| CN110745659A (en) * | 2019-09-20 | 2020-02-04 | 浙江升航电子科技有限公司 | Internet of things system of construction elevator all-in-one machine |
| CN112929332A (en) * | 2021-01-19 | 2021-06-08 | 北京睿芯高通量科技有限公司 | Multi-axis object motion detection system and detection method |
| CN113734929A (en) * | 2021-09-17 | 2021-12-03 | 猫岐智能科技（上海）有限公司 | System and method for continuously acquiring elevator running acceleration data |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106516928A (en) | Elevator acceleration and deceleration detection device and method based on wireless communication technology | |
| CN206502480U (en) | A kind of elevator acceleration-deceleration detection means based on wireless communication technology | |
| CN106377253A (en) | Electromyographic signal and inertia information synchronous collection device | |
| CN204008404U (en) | A kind of PM2.5 pick-up unit | |
| CN202189275U (en) | Circuit applied for warehouse autonomous patrol dolly with automatic charging capability | |
| CN105151934A (en) | Safety cloud warning information parameter collection instrument for elevator | |
| CN106515835A (en) | Embedded intelligent baby carriage | |
| CN202306884U (en) | Internet of things experiment system based on wireless sensing network | |
| CN205541274U (en) | Intelligent smoke alarm system | |
| CN107798827A (en) | Landslide early-warning monitoring system and its monitoring method based on Internet of Things | |
| CN203504611U (en) | Novel wireless automobile data recorder with NFC function | |
| CN207192611U (en) | A kind of tower crane intelligent monitor system that early warning is perceived based on Internet of Things | |
| CN106370289A (en) | WiFi-based noise monitoring system | |
| CN103728198B (en) | Remotely atmosphere particle monitoring system | |
| CN102961123A (en) | Cow body temperature monitoring system | |
| CN205656791U (en) | Fork truck system of taking an examination based on difference GPS location | |
| CN207163434U (en) | A kind of real-time security on-Line Monitor Device of high-altitude plank road | |
| CN202497550U (en) | Medical transfusion monitoring system | |
| CN206002883U (en) | A kind of taxi long distance control system | |
| CN211205510U (en) | Stereo garage vibration noise wireless detection device | |
| CN202897704U (en) | Remote monitoring device of elevator traction machine | |
| CN104901420B (en) | Remote transformer monitoring system based on mid-voltage carrier communication and monitoring method | |
| CN204010280U (en) | Automobile acceleration mode information carrying means based on intelligent terminal and mobile terminal | |
| CN203338054U (en) | Agricultural environment monitoring system | |
| CN205304869U (en) | Vehicle -mounted signal collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |