CN103996264B - A kind of intelligent movable security system based on WLAN communication - Google Patents
A kind of intelligent movable security system based on WLAN communication Download PDFInfo
- Publication number
- CN103996264B CN103996264B CN201410192779.1A CN201410192779A CN103996264B CN 103996264 B CN103996264 B CN 103996264B CN 201410192779 A CN201410192779 A CN 201410192779A CN 103996264 B CN103996264 B CN 103996264B
- Authority
- CN
- China
- Prior art keywords
- security
- accident
- car
- security car
- array
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of intelligent movable security system based on WLAN communication, this system is reacted accident by infrared temperature sensor array and sound collection array and analytical equipment, background processing system is carried out analysis to place where the accident occurred point and is judged, security car carries out detecting and transmitting front accident conditions at the scene, thus form a security system, background processing system positions accident point according to certain intelligent algorithm, and according to circumstances intelligently security car is sent to the instruction at the scene arrived at the soonest.This security system is at sensing system, and security car, wireless power supply three subsystems carry out the security operations basis that communicates completed to a certain region by wireless communication system and background processing system.
Description
Technical field
The present invention relates to a kind of intelligent movable security system based on WLAN communication.
Background technology
The security work at night in the place such as present most of markets office building and warehouse mainly relies on manpower, and this greatly improves cost, and human resources have security poor effect in limited time.Although comparatively novel dollying head security system decreases cost to a certain extent, but shortage selectivity, by all videos monitor data upload server in the working time, cause the inessential information of a large amount of storage in server, cause the waste of storage space.
Summary of the invention
The present invention is in order to solve the problem; propose a kind of intelligent movable security system based on WLAN communication; this system by the infrared temperature sensor array in protected space and sound collection array and analytical equipment to the monitoring abnormal state in this space; by background processing system, analyzing and positioning is carried out to accident point when accident occurs; and instruction is sent to security car; spot is gone to check; improve on the basis of security system automaticity and security, reduce unnecessary electric power and the use of server storage.
To achieve these goals, the present invention adopts following technical scheme:
Based on an intelligent movable security system for WLAN communication, comprise sensing system, background processing system, security car, wireless communication module and wireless power supply, wherein:
Described sensing system, comprise sound collection array and analytical equipment and infrared temperature sensor array, described sound collection array and analytical equipment are for the voice signal in the protected field analyzing noise reduction microphone and gather, and the relative angle of the microphone group utilizing array to arrange to accident point and sensor mounting points accurately measures;
Described infrared temperature sensor array, for exercising supervision to the temperature conditions in protected space, and with a judgment means cooperating, illegally enter two kinds of accidents for fire and personnel and protect;
Described judgment means is the device that a kind of basis presets threshold value and judges signal, whether reach accident level for signal collected by real-time judge, take local mounted mode, be installed in sensor side, directly transmit data by data line, thus ensure the ageing of data;
Described background processing system, for the data that mathematical computations sensing system gathers, passes to security car by result of calculation by wireless communication module;
Described security car, for accepting the control information of background processing system, completes control command;
Described wireless power supply, for providing electricity and judging dump energy to security car.
Described security car, comprise wireless remote control receiver module, controller, communication system, motor and battery management system, wherein, controller connects motor drive module, motor drive module connects motor, battery management system and controller two-way communication, battery management system is connected with accumulator and wireless charging module, controller and communication system two-way communication.
Described controller is connected with camera and audio collecting device, and described communication system comprises WiFi module.
Based on the implementation method of above-mentioned intelligent movable security system, specifically comprise the following steps:
(1) security car is gathered the voice signal in protected field by noise reduction microphone, and transfer data in acoustic wave analysis device and analyze, analytical equipment is analyzed sound wave by FastICA algorithm, when non-ambient composition magnitudes of acoustic waves is greater than set threshold value, and the duration is greater than the acceptable disturbance maximum duration, then analytical equipment judgement accident occurs;
(2) reach the mistiming of the sensor of sound collection array according to sound wave, the angle of sound collection array apparatus relative to sound source, calculates the distance of sound source range sensor;
(3) infrared temperature sensor array experiences the temperature that human body or fire send, and the standard according to presetting judges, and accurately measures the relative angle of accident point and sensor mounting points;
(4) background processing system accepts the analysis result of infrared temperature sensor array and acoustic wave analysis device, by the Distance geometry time of induction, determine accident point, security car coordinate, calculate and select shortest path, steering order is sent to security car, sends the instruction along this route;
(5) battery management system on security car find security car electricity too low not enough time, background processing system will be dispatched according to other security car dump energy arrangements, the execution scene of the accident is coordinated to check task, when security car is got back to and to be awaited orders, the battery management system on car judges whether to start wireless charging device according to dump energy.
In described step (2), the method for arranging of the sensor of described sound collection array is: at least arrange three sound collection sensors, according to place situation difference in size adjustment sensor, quantity is installed, when protected field is not a cubic space, but the region combined by multiple cube, then need in each cube, install one group of standalone sensor; Because the sensitiveest angle of array-type sensor is limited in scope; so large measuring error can be produced when taking measurement of an angle too small; therefore when the height of a certain shielded cubic space is less than the minimum sensitive angle of sensor array with the ratio of bottom surface catercorner length; need the quantity increasing sensor mounting points; make its cooperating, thus reduce the responsible region of each sensor.
In described step (2), if there is mounting article in space, in advance its coordinate and size are inputted in background processing system.
In described step (3), when there being personnel illegally to enter, infrared temperature sensor array will experience the heat radiation that human body gives out, and passes in judgment means by these data, and judgment means makes according to the standard preset the judgement that personnel illegally enter accident.
In described step (3), when there being fire to occur, infrared temperature sensor array experiences the temperature of flame in the very first time, and data is passed in judgment means.
In described step (5), in security car driving process, sensing system continues to monitor accident, if accident disappears, then security car is sent to the instruction returning and await orders a little on the way.
In described step (5), WiFi module, camera and audio collecting device on security car are open mode, field data is transferred on server by WiFi and stores, if ensure that security car receives damage when performing accident point and checking task, the data of the scene of the accident is also retained.
Beneficial effect of the present invention is:
1. by using sensor to coordinate with security car, can reduce the human resources needed for the security of a larger space, and this security system can free of discontinuities work, the security flaw that the intermittence avoiding manual patrol causes;
2. improve the dirigibility of route selection, when patrol route there being barrier, security car can get around and move on, and hunting robot then can only wait for blockage dissipates and this will increase the workload of night watchman, reduces automaticity.；
3. decrease the cost installing camera quantity and line related laying, wireless network is used to carry out the transmission of Audio and Video data, greatly save and transformation is installed and keeps in repair the cost of nursing, and improve to decrease the unnecessary of place is taken, can enhance productivity from the side;
4. accurately judging place where the accident occurred point by calculating, facilitating operator on duty and taking measures, improve security effect.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present invention;
Fig. 2 is schematic flow sheet of the present invention;
Fig. 3 is accident point localization method schematic diagram of the present invention;
Fig. 4 is distance-finding method schematic diagram of the present invention;
Fig. 5 is security bassinet structure schematic diagram of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As Figure 1-Figure 4, a kind of intelligent movable security system based on WLAN communication, comprising:
1, sensing system:
1.1 sound collection array and analytical equipments
This device comprises sound collection array and acoustic wave analysis two parts.By noise reduction microphone, the voice signal in protected field is gathered, and transfer data in acoustic wave analysis device and analyze.Because the working time is night, so voice signal is very weak when accident free occurs, but sound of the wind or other short time disturbance can be there is.The microphone group of array arrangement can accurately measure the relative angle of accident point and sensor mounting points in addition.Analytical equipment is analyzed sound wave by FastICA algorithm, when non-ambient composition magnitudes of acoustic waves is greater than set threshold value, and the duration be greater than the acceptable disturbance maximum duration, then analytical equipment judgement accident occur.Now arrange 3 sound collection sensors, and reach three sensor time differences according to sound wave, the angle θ s1 of sound collection array apparatus relative to source of students, θ s2, θ s3 can calculate the distance Ds1 of sound source distance three sensors, Ds2, Ds3.
Computing formula is as follows:
D
s2＝D
s1+Δt
12×v
s(2)
D
s3＝D
s1+Δt
13×v
s(3)
1.2 infrared temperature sensor arrays
This device be used for the temperature conditions in protected space is exercised supervision, and with a judgment means cooperating, illegally enter two kinds of accidents for fire and personnel and protect.When there being personnel illegally to enter, infrared temperature sensor array will experience the heat radiation that human body gives out, and passes in judgment means by these data, and judgment means makes according to the standard preset the judgement that personnel illegally enter accident.When there being fire to occur, infrared temperature sensor array can experience the temperature of flame in the very first time, and data is passed in judgment means.Judgment means makes the judgement of fire failure according to the standard preset.Because the thermal radiation temperature difference of the heat radiation of human body and flame is obvious, so the accuracy of judgment means is very high.The infrared temperature sensor group of array arrangement can accurately measure the relative angle of accident point and sensor mounting points in addition.When above-mentioned two kinds of accidents occur, the mistiming can surveyed according to three sensors and the thermal source recorded and infrared temperature sensor array relative angle θ t1, θ t2, θ t3 can calculate the distance DT1 of thermal source distance three sensors, DT2, DT3, Computing Principle is the same with analytical equipment with sound collection array.
Computing formula is as follows:
D
t2＝D
t1+Δt
12×v
l(5)
D
t3＝D
t1+Δt
13×v
l(6)
2, background processing system:
The analytical calculation of accident origination point is as follows:
When A point has an accident, 1,2, sound collection array on 3 three angles and analytical equipment and infrared temperature sensor array can sense the distance (time) of distance accident point respectively, when the length (L) wide (W) high (H) in space is determined, A point can be calculated
Coordinate (X
a, Y
a, Z
a)
In like manner, the sensor on security car and three, corner sensor interact, and the coordinate of security car also can be determined.Background processing system just can send instruction to security car, makes it close to accident point.
If there is mounting article in space, as desk sales counter etc., can in advance by its coordinate and size input system, thus facilitate processor determination security car close to the route of target.
For different places, space structure is different, and above-mentioned algorithm is only applicable in a cylinder space, so often need to suit measures to local conditions in the security system design of reality.Such as bulk storage plant space structure is comparatively simple, therefore the design of its security system can substantially according to above-mentioned algorithm, and market or office space are often made up of multiple less space, need in principle to distinguish sensor installation array.Higher cost can be brought like this.Not enough for this, the measure that we take is to the use acoustic control of less space and temperature control sensor unit but not sensor array.Because if can determine that accident point is in a certain room, just can scout accident as long as security car enters room, so there is no need the particular location using sensor array determination accident.And the Distance Judgment accuracy of array-type sensor to accident point is also lower in a less space.
2.1 pairs of security cars send steering order
After the coordinate determining mounting article in security car coordinate (generally for security car is awaited orders a little), accident point coordinate and space and size, background processing system can calculate and select shortest path, and security car is issued in the instruction along this route.And by reaching its location, calibration result is carried out to travel route in security car driving process.
In security car driving process, sensing system continues to monitor accident, if accident disappears, then security car is sent to the instruction returning and await orders a little on the way.
When multiple accident occurs simultaneously, background processing system carries out rational management according to an accident point security car dump energy located of awaiting orders different from the Distance geometry that several security car is awaited orders a little to security car, realizes the fastest processing speed to accident.
3, security car:
The reception of 3.1 control signals and execution
Security car is loaded with microwave wireless remote control reception module, the steering order sent by background processing system can be received.Signal receiving module is by the Signal transmissions that receives in the processor of security car, and this processor sends corresponding control signal according to the control signal of background processing system to motor drive module, thus completes the instruction that will perform.
The transmission of 3.2 Audio and Video data
Security car is provided with camera and microphone to be used for gathering Audio and Video data.Security car is also provided with WiFi module, the WiFi be used in connection space.Camera and microphone to be transferred to data on server by WiFi and to store.Even if security car receives damage when performing accident point and checking task like this, the data of the scene of the accident also can be retained.
3.3 battery management system
The supporting battery management system of battery on security car, electricity is monitored, and in real time dump energy information is sent to background processing system, if a certain security car electricity is too low be not enough to the task of checking, background processing system will be dispatched according to other security car dump energy arrangements, coordinate the execution scene of the accident to check task.
4, security car is awaited orders a little:
4.1 wireless charging device
Security car relies on motor as driving force, and camera and wireless communication module etc. all need Power supply, so security car needs to charge to battery in time.Finish the work, security car will be got back to and await orders a little at every turn.So we have installed wireless charging device awaiting orders.To await orders an embedded underground WiTri charge coil, WiTri receiving coil is installed bottom security car.When security car get back to await orders some time, the battery management system on car judges whether to start wireless charging device according to dump energy.Wireless charging carries out the plug of attaching plug to security car without the need to professional, therefore save human resources, improves the automaticity of system.
5, wireless communication system (WiFi):
Use the LAN (Local Area Network) based on IEEE802.11 serial protocols, in this security system working range, build a WLAN, realize the communication between subsystems.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. based on an intelligent movable security system for WLAN communication, it is characterized in that: comprise sensing system, background processing system, security car, wireless communication module and wireless power supply, wherein:
Described sensing system, comprise sound collection array and analytical equipment and infrared temperature sensor array, described sound collection array and analytical equipment are for the voice signal in the protected field analyzing noise reduction microphone and gather, and the relative angle of the microphone group utilizing array to arrange to accident point and sensor mounting points accurately measures;
Described infrared temperature sensor array, for exercising supervision to the temperature conditions in protected space, and with a judgment means cooperating, illegally enter two kinds of accidents for fire and personnel and protect;
Described judgment means is the device that a kind of basis presets threshold value and judges signal, whether reach accident level for signal collected by real-time judge, take local mounted mode, be installed in sensor side, directly transmit data by data line, thus ensure the ageing of data;
Described background processing system, for the data that mathematical computations sensing system gathers, passes to security car by result of calculation by wireless communication module;
Described security car, for accepting the control information of background processing system, completes control command;
Described wireless power supply, for providing electricity and judging dump energy to security car.
2. a kind of intelligent movable security system based on WLAN communication as claimed in claim 1, it is characterized in that: described security car, comprise wireless remote control receiver module, controller, communication system, motor and battery management system, wherein, controller connects motor drive module, and motor drive module connects motor, battery management system and controller two-way communication, battery management system is connected with accumulator and wireless charging module, controller and communication system two-way communication.
3. a kind of intelligent movable security system based on WLAN communication as claimed in claim 2, it is characterized in that: described controller is connected with camera and audio collecting device, described communication system comprises WiFi module.
4., based on the implementation method of the intelligent movable security system in claim 1-3 described in any one, it is characterized in that: specifically comprise the following steps:
(1) security car is gathered the voice signal in protected field by noise reduction microphone, and transfer data in acoustic wave analysis device and analyze, analytical equipment is analyzed sound wave by FastICA algorithm, when non-ambient composition magnitudes of acoustic waves is greater than set threshold value, and the duration is greater than the acceptable disturbance maximum duration, then analytical equipment judgement accident occurs;
(2) reach the mistiming of the sensor of sound collection array according to sound wave, the angle of sound collection array apparatus relative to sound source, calculates the distance of sound source range sensor;
(3) infrared temperature sensor array experiences the temperature that human body or fire send, and the standard according to presetting judges, and accurately measures the relative angle of accident point and sensor mounting points;
(4) background processing system accepts the analysis result of infrared temperature sensor array and acoustic wave analysis device, by the Distance geometry time of induction, determine accident point, security car coordinate, calculate and select shortest path, steering order is sent to security car, sends the instruction along this route;
(5) battery management system on security car find security car electricity too low not enough time, background processing system will be dispatched according to other security car dump energy arrangements, the execution scene of the accident is coordinated to check task, when security car is got back to and to be awaited orders, the battery management system on car judges whether to start wireless charging device according to dump energy.
5. implementation method as claimed in claim 4, it is characterized in that: in described step (2), the method for arranging of the sensor of described sound collection array is: at least arrange three sound collection sensors, according to place situation difference in size adjustment sensor, quantity is installed, when protected field is not a cubic space, but the region combined by multiple cube, then need in each cube, install one group of standalone sensor; Because the sensitiveest angle of array-type sensor is limited in scope; so large measuring error can be produced when taking measurement of an angle too small; therefore when the height of a certain shielded cubic space is less than the minimum sensitive angle of sensor array with the ratio of bottom surface catercorner length; need the quantity increasing sensor mounting points; make its cooperating, thus reduce the responsible region of each sensor.
6. implementation method as claimed in claim 5, is characterized in that: in described step (2), if there is mounting article in space, its coordinate and size is inputted in background processing system in advance.
7. implementation method as claimed in claim 4, it is characterized in that: in described step (3), when there being personnel illegally to enter, infrared temperature sensor array will experience the heat radiation that human body gives out, and these data are passed in judgment means, judgment means makes according to the standard preset the judgement that personnel illegally enter accident.
8. implementation method as claimed in claim 4, is characterized in that: in described step (3), when there being fire to occur, infrared temperature sensor array experiences the temperature of flame in the very first time, and data is passed in judgment means.
9. implementation method as claimed in claim 4, is characterized in that: in described step (5), and in security car driving process, sensing system continues to monitor accident, if accident disappears, then security car is sent to the instruction returning and await orders a little on the way.
10. implementation method as claimed in claim 9, it is characterized in that: in described step (5), WiFi module, camera and audio collecting device on security car are open mode, field data is transferred on server by WiFi and stores, if ensure that security car receives damage when performing accident point and checking task, the data of the scene of the accident is also retained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192779.1A CN103996264B (en) | 2014-05-08 | 2014-05-08 | A kind of intelligent movable security system based on WLAN communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410192779.1A CN103996264B (en) | 2014-05-08 | 2014-05-08 | A kind of intelligent movable security system based on WLAN communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103996264A CN103996264A (en) | 2014-08-20 |
| CN103996264B true CN103996264B (en) | 2016-04-20 |
Family
ID=51310414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410192779.1A Expired - Fee Related CN103996264B (en) | 2014-05-08 | 2014-05-08 | A kind of intelligent movable security system based on WLAN communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103996264B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106056820A (en) * | 2016-07-15 | 2016-10-26 | 珠海格力电器股份有限公司 | Home security device, control method thereof, home security system and air conditioner |
| CN108877141A (en) * | 2017-05-09 | 2018-11-23 | 同方威视科技江苏有限公司 | Safety zone monitoring system and method |
| CN109035679A (en) * | 2018-08-15 | 2018-12-18 | 成都理工大学 | Ad hoc network dynamic security direction board system based on technology of Internet of things |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068437A (en) * | 1991-07-10 | 1993-01-27 | 三星电子株式会社 | Mobile monitoring device |
| CN1753040A (en) * | 2004-09-24 | 2006-03-29 | Lg电子株式会社 | Trespass detecting system and method |
| CN201251702Y (en) * | 2008-08-06 | 2009-06-03 | 北京晋科光技术有限公司 | Movable monitoring robot |
| CN102176270A (en) * | 2011-02-25 | 2011-09-07 | 广州飒特电力红外技术有限公司 | Safety monitoring and fire alarming integrated system and method |
| CN103399577A (en) * | 2013-08-02 | 2013-11-20 | 哈尔滨工程大学 | Detection sensing system for remotely operating rescue robot |
| CN103700231A (en) * | 2013-12-25 | 2014-04-02 | 惠州市茂荣智能科技有限公司 | Method for remote network digitalized acoustic image alarming and safety protection and control |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3900870B2 (en) * | 2001-08-07 | 2007-04-04 | オムロン株式会社 | Information collection device, information collection method, and information collection system |
| KR100652587B1 (en) * | 2004-09-23 | 2006-12-06 | 엘지전자 주식회사 | Fire alarm inform system and method in using robot cleaner |
-
2014
- 2014-05-08 CN CN201410192779.1A patent/CN103996264B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068437A (en) * | 1991-07-10 | 1993-01-27 | 三星电子株式会社 | Mobile monitoring device |
| CN1753040A (en) * | 2004-09-24 | 2006-03-29 | Lg电子株式会社 | Trespass detecting system and method |
| CN201251702Y (en) * | 2008-08-06 | 2009-06-03 | 北京晋科光技术有限公司 | Movable monitoring robot |
| CN102176270A (en) * | 2011-02-25 | 2011-09-07 | 广州飒特电力红外技术有限公司 | Safety monitoring and fire alarming integrated system and method |
| CN103399577A (en) * | 2013-08-02 | 2013-11-20 | 哈尔滨工程大学 | Detection sensing system for remotely operating rescue robot |
| CN103700231A (en) * | 2013-12-25 | 2014-04-02 | 惠州市茂荣智能科技有限公司 | Method for remote network digitalized acoustic image alarming and safety protection and control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103996264A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104284151B (en) | A kind of transformer station ground method for inspecting and cruising inspection system | |
| CN202153615U (en) | Robot for transformer station device inspection tour | |
| CN103523055B (en) | Large gradient shield tunnel inner transport cart anti-collision pre-warning system and working method thereof | |
| CN204069209U (en) | A kind of transformer station ground cruising inspection system | |
| CN106444588A (en) | Inspection system and inspection method of valve hall robot based on video monitoring linkage system | |
| CN103996264B (en) | A kind of intelligent movable security system based on WLAN communication | |
| CN110488153B (en) | Autonomous underground cable surveying and protecting system and method based on machine learning | |
| CN106383518A (en) | Multi-sensor tunnel robot obstacle avoidance control system and method | |
| CN112581645A (en) | Cable tunnel collaborative inspection method and system | |
| CN104953709A (en) | Intelligent patrol robot of transformer substation | |
| CN207268846U (en) | Electric inspection process robot | |
| CN104731092A (en) | Multi-directional barrier avoiding system of mobile robot | |
| CN103513241A (en) | Moving object detecting device based on microwave transducer and ultrasonic transducer | |
| CN202837484U (en) | Ultrasonic partial discharge detection system with intelligent substation inspection robot | |
| CN103398781A (en) | Temperature detection device for electric equipment | |
| CN108801343A (en) | A kind of intelligent car systems applied to atmosphere environment supervision | |
| CN207090714U (en) | Elevator brake distance test instrument | |
| KR100883055B1 (en) | Portable roadway detector evaluation system and method for processing the same | |
| CN201975857U (en) | Intelligent robot inspection system for security detection of transformer station | |
| CN103335676A (en) | Novel cable detection information acquisition system based on mixed ranging of infrared sound waves | |
| CN102879718A (en) | Wired-loop-based entire-station monitoring and positioning system and positioning method for partial discharge | |
| CN204270146U (en) | The multi-faceted obstacle avoidance system of a kind of mobile robot | |
| CN106767683A (en) | Measurement apparatus and method of a kind of unmanned plane of electronic information field to ground level | |
| CN203366398U (en) | Temperature inspection tour trolley for operation equipment of transformer station | |
| CN104913851A (en) | On-line infrared temperature-measurement expert diagnosis system for electric equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 |