CN100338439C - Multifunction environment monitor - Google Patents
Multifunction environment monitor Download PDFInfo
- Publication number
- CN100338439C CN100338439C CNB2004100604050A CN200410060405A CN100338439C CN 100338439 C CN100338439 C CN 100338439C CN B2004100604050 A CNB2004100604050 A CN B2004100604050A CN 200410060405 A CN200410060405 A CN 200410060405A CN 100338439 C CN100338439 C CN 100338439C
- Authority
- CN
- China
- Prior art keywords
- signal
- pin
- character
- chip
- cpu
- 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
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The present invention relates to a multifunctional environment monitor which is formed by assembling a dustproof and waterproof outer shell body, sensor probes, a power supply source, a radio-frequency emitter, a converter, a protective cover, a microphone, a camera and a loudspeaker. Temperature signals, humidity signals, analogue current input signals and analog voltage input signals detected by all the sensor probes are transferred to a data collection card of the A/D converter and are transferred to a CPU by the A/D converter to be processed; an over proof standard warning signal of environment parameters can be obtained by an LD2 flashtube and a B1 buzzer on site, and when the signal intensity exceeds the limitation of a warning door, the LD2 flashtube and the B1 buzzer can warn. The multifunctional monitor can monitor forests, swamps, epidemic-stricken areas, areas where environment is polluted or where natural disasters frequently occurs and places where people can not easily arrive or can not arrive in time for a long time, and can also carry out the living monitoring of engineering construction sites, such an underground factory building, an ore mine, a mine, a tunnel, a pipeline, etc.
Description
Technical field
The sound, light, image, temperature, humidity, dust, gas, the ray that the present invention relates in the environment monitor observation and control technology field, a kind of multi-functional environment monitor.
Background technology
Existing environmental monitoring, generally more single, or be single image monitoring, or be the mensuration of single gas componant; Perhaps can only measure its sound, light, or its image, and great majority are that measuring equipment such as probe, display device and panalarm are combined into one, perhaps the distance of Fen Liing is enough not far away, cause the scope of supervision to be restricted, this picking up signal that picks up less than, make it lose the purpose of monitoring; Can not implement more in good time, safer environmental monitoring for a long time, at a distance, thereby can not avoid the generation of accident, cause economic, personal very big loss.
Summary of the invention
In order to overcome the shortcoming that above-mentioned technology exists; the purpose of this invention is to provide a kind of ambient sound; light; image; temperature; humidity; dust; gas; the multi-functional environment monitor of ray; make it can be for a long time to forest; the marsh; the epidemic-stricken area; the contaminated area of environment; the place that incident area of disaster and personnel are difficult for arriving or can not in time arriving is monitored; can also realize underground power house; the mine; mine; the tunnel; the live telecast monitoring is carried out at engineering construction scenes such as pipeline; also be applicable to simultaneously inflammable; explosive; perishable; poisonous; dangerous goods storage places such as radiation; the warehouse carries out the protective monitoring, can also be to bank; nuclear power station; the airport; important department office of country carries out protectiveness monitoring timely and effectively.
In order to realize the foregoing invention purpose, the present invention by the following technical solutions:
Described multi-functional environment monitor, it is by the dustproof and waterproof shell body, sensor probe, and power supply, radiofrequency launcher, converter, protective cover, Mike, camera, loudspeaker, dustproof glass and by link, hanging device vertical and that horizontal rotating shaft constitutes assembles, to monitor head and be arranged on monitoring position by hanging device, adjusting hanging device makes camera aim at the target and the scene of monitoring position, the temperature signal that each road sensor probe is detected, moisture signal and analog current input signal, the aanalogvoltage input signal sends the A/D converter data collecting card to, is that digital form sends the CPU processing to by A/D converter with signal Processing; RS232/486 communication interface signal and digital input interface signal send CPU to handle, CPU deposits each road information in data-carrier store EEPROM, when some information of system requirements, CPU accesses required information from data-carrier store EEPROM, CPU handles the signal that accesses again through character chip U2, signal after the processing and gamma camera/Mike collect vision signal, sound signal is sent into character chip U2 and carried out the character stack, signal after will superposeing then is transferred to radiofrequency launcher, is transmitted by radiofrequency launcher and monitors in real time for watch-dog.
The sensor probe of described multi-functional environment monitor, it comprises temperature sensor U10 and humidity sensor U8, by the device J1 that the input of two-way simulating signal is provided, J3 connected has voltage analog signal, the various kinds of sensors of current analog signal output, the various kinds of sensors that is connected by the device J2 that way word signal input is provided with digital signal output, the sensor that is connected by a MAX485 or MAX232 communication interface J4 with communication interface, like this, this equipment just can adapt to various kinds of sensors, can gather 2-6 environment measuring amount simultaneously.
Temperature sensor U10 is ± 0.5 ℃ of other temperature sensor of high precision level DS18B20, it exports to 16 pin of 89C51 single-chip microcomputer U4 with digital signal form by its 2 pin with detected temperature value, and it is medium to be shown that 89C51 single-chip microcomputer U4 leaves this temperature value in the single-chip microcomputer internal RAM after treatment.
Humidity sensor U8 is high-precision humidity sensor HIH3610, it exports to the aanalogvoltage form of 0.9-4.0 volt detected humidity value 1 pin of A/D converter U9 by its 2 pin, carry out the digitizing conversion together, two analog inputs of same J1, J3 terminate to 2,3 pin of U9, carry out the digitizing conversion together; U8, J1, three analog quantitys of J3 are by CPU U4 control carrying out periodic sampling, after each sample conversion is finished, U9 is ready to the 26 pin notice cpu data of U4 by 19 pin, U4 is by the spi bus visit U9 of 24,25,27,28 pin composition then, data after the U9 conversion are read out, and it is medium to be shown to deposit the single-chip microcomputer internal RAM equally after treatment.
The device J2 of one way word signal input is provided, and its digital signal directly inputs to 17 pin of U4 by its 1 pin, and it is medium to be shown to leave internal RAM in after U4 handles this numerical value.
Communication interface J4 is a U11MAX485 or U6MAX232 communication interface, U6 and U11 can only install one, according to must interface type decision, when CPU by this interface U11 1 pin or after 9 pin of U6 receive data, also wherein the sampled signal values of sensor extracts, and it is medium to be shown to leave single-chip microcomputer RAM in.
At first the video input is begun by video inputs VD1, be coupled to 1 pin of character overlap chip U3 through electric capacity E1, export to 2 pin of Sync Separator Chip LM1881U1 again through 7 pin, carrying out signal Synchronization separates, separate the row that obtains, field sync signal is delivered to character chip U2 respectively by 1,3 pin of U1 20,19 pin, carry out the signal stack; Character chip U2 is under these two synchronizing signal effects, according to character pattern to display, the position that character will show, 15 pin output flasher signal by character chip U2, this signal acts on 2 pin of character overlap chip U3, to cut the vision signal of its 1 pin input, character overlap chip U3 interior shape is done the adhesive action, vision signal is outputed to 4 pin of Sync Separator Chip U1 by 11 pin of character chip U2, vision signal and flasher signal are handled through character overlap chip U3,7 pin output by U3 sends video output VD2 to, carries out video output by VD2.
Pick up environment sound intermediate frequency signal by acoustic pickup M1, the audio pulse of the 23 pin output certain frequency of CPU U4, the sound signal that collects and the sound signal of output send audio signal output VD3 to after signal amplifying triode Q6, Q7 amplify, by VD3 warning message is outputed on the video with the character style stack, carry out audio frequency output.
Owing to adopted technical scheme as mentioned above, the present invention has following superiority:
This multi-functional environment monitor is arranged on the position that needs monitoring with the monitoring head by hanging device, adjusts the level and vertical knob of hanging device, the target and the scene of camera being aimed at monitoring position.Temperature signal, moisture signal, digital signal, the aanalogvoltage input signal, the analog current output signal is by the digital sensor collection of difference in functionality, the signal of i.e. probe collection is pooled among the A/D converter U9 together, by code conversion to the signal of each road sensor, form with subtitle superposition, and the radiofrequency signal that camera/Mike collects is transferred in the radiofrequency launcher together, transmit by radiofrequency launcher, the rf repeater received signal, be transmitted to radio frequency again and receive controller, radio frequency receives controller and receives from one or more pilot signals, can select that one or more signal is transferred to video tape recorder and carry out record, be transferred to watch-dog simultaneously, monitor in real time.
Its CPU has had cured when programming needs the Chinese character of demonstration and the dot array data of digital 0-9, so, if in use new needs are arranged, change shown Chinese character, only need the replacing program to get final product.
It is comprehensive that it surveys content, test result is with dynamic title form real-time Transmission, with on-the-spot image and sound real-time Transmission, mode with image (the monitor picture character flashes or colour switching) and sound (alarm song and voice suggestion) light (alarm lamp) is reported to the police, and the prompting field personnel takes emergency measures or withdraws rapidly; Also be implemented in remote safe place as office; the monitoring of Control Room; to forest; the marsh; the epidemic-stricken area; the contaminated area of environment; the place that incident area of disaster and personnel are difficult for arriving or can not in time arriving is carried out round-the-clock; monitoring for a long time; can also realize underground power house; the mine; mine; the tunnel; the live telecast monitoring is carried out at engineering construction scenes such as pipeline; also be applicable to simultaneously inflammable; explosive; perishable; poisonous; dangerous goods storage places such as radiation; the warehouse carries out the protective monitoring, can also be to bank; nuclear power station; the airport; important department office of country carries out protectiveness monitoring timely and effectively.
Because the monitoring function and the transmission method of simple, ripe, stable structure of the present invention, sound, light, video, temperature, gas, dust, ray etc. for the scene, eye-catching display format directly perceived in addition, can be to the on-the-spot organization establishment supervisory system rapidly of the disaster of burst, make departments such as public security, fire-fighting, health, particularly command department, can arrange to implement effective rescue and relief work plan by the understanding of supervisory system to on-the-spot circumstance.
The present invention can also be installed in unmanned aerial vehicle, and unmanned spaceship/spacecraft on the equipment such as robot, arrives the mankind and still is unfamiliar with, or dangerous, or the personnel region that can't arrive, and explores collect intelligence, the activity of the device that eliminates danger etc.
Description of drawings
Fig. 1 is that multi-functional environment monitor integral body is provided with system diagram.
Fig. 2 is multi-functional environment monitor circuit control principle figure.
As shown in fig. 1: 1-antenna, 2-link, 3-vertical rotation axle; the 4-horizontal rotating shaft, 5-alarm lamp, 6-radio frequency line; 7-dustproof and waterproof shell, 8-power supply, 9-radiofrequency launcher; the 10-converter, each road sensor of 11-, 12-protective cover; 13-Mike; the 14-camera, 15-loudspeaker, 16-dustproof glass.
Embodiment
Temperature sensor U10 and humidity sensor U8 that described multi-functional environment monitor is provided with, the sensor that is connected by device J1, J3 that the input of two-way simulating signal is provided with voltage analog signal, current analog signal output; The sensor that is connected by the device J2 that way word signal input is provided with digital signal output; The sensor with communication interface by a MAX485 or MAX232 communication interface J4 are connected can collect 2-6 environment measuring amount.28,27,24,25,26 pin that U8, J1, the digital signal of J3 transducing signal after A/D converter U9 conversion are delivered to single-chip microcomputer U4 respectively by 15,16,17,18,19 pin of U9 are handled signal.Single-chip microcomputer U4 regularly is stored in data converted in the internal RAM, read the character pattern data (will show what character) that will show from storer U5 then by the program decision, again that character data is corresponding one by one with the measurement data among the RAM, for example: 15 ℃ of temperature; Humidity 40% etc., the spi bus formed of 3,7,8 pin by U4 completely outputs to 2,3,4 pin of character chip U2 with these data then, control UPD6453 character chip U2, character that will show and image data are added on the input video source.
CPU can do some and be provided with under the control of shift knob S1, S2, can operate by the mode of screen prompt, and after configuration information was set up, CPU left them among the storer U5 in.These information comprise the alarm threshold of CSD and each measuring-signal etc., and the signal intensity that detects current collection as CPU has surpassed its alarm threshold value, and this moment, system sent sound and light alarm.As follows: the 21 pin output pulse signals of CPU U4 make light emitting diode LD2 flicker; The 22 pin output pulse signals of CPU U4 send hummer B1 and pipe; The sound signal of the 23 pin output pulse signals output certain frequency of CPU U4 outputs to warning message on the video with the character style stack by audio signal output VD3 after signal amplifying triode Q6, Q7 amplify.
The scene can obtain the environment parameter alerting signal that exceeds standard by LD2 speedlight and B1 hummer, and for example: temperature, moisture signal, toxic gas, ray or dust signal when signal intensity exceeds the alarm threshold value, are promptly reported to the police.Again because of the video of equipment output VD2, audio frequency output VD3 receive the looking of wireless modem, audio port, in the looking of the demodulated equipment of far-end, audio frequency output, also know the warning message of equipment like this.Under the alarm free state, acoustic pickup M1 will pick up the sound in the environment, output to audio frequency output VD3 after it is amplified, and far-end can also be heard the on-site ambient sound of equipment at any time like this, so more can reflect ambient conditions.
Claims (8)
1, a kind of multi-functional environment monitor, it is characterized in that: it is by the dustproof and waterproof shell body, sensor probe, and power supply, radiofrequency launcher, converter, protective cover, Mike, camera, loudspeaker, dustproof glass and by link, hanging device vertical and that horizontal rotating shaft constitutes assembles, to monitor head and be arranged on monitoring position by hanging device, adjusting hanging device makes camera aim at the target and the scene of monitoring position, the temperature signal that each road sensor probe is detected, moisture signal and analog current input signal, the aanalogvoltage input signal sends the A/D converter data collecting card to, is that digital form sends the CPU processing to by A/D converter with signal Processing; RS232/486 communication interface signal and digital input interface signal send CPU to handle, CPU deposits each road information in data-carrier store EEPROM, when some information of system requirements, CPU accesses required information from data-carrier store EEPROM, CPU handles the signal that accesses again through character chip U2, signal after the processing and gamma camera/Mike collect vision signal, sound signal is sent into character chip U2 and carried out the character stack, signal after will superposeing then is transferred to radiofrequency launcher, is transmitted by radiofrequency launcher and monitors in real time for watch-dog.
2, multi-functional environment monitor as claimed in claim 1, it is characterized in that: described sensor probe comprises: temperature sensor U10 and humidity sensor U8, by the device J1 that the input of two-way simulating signal is provided, J3 connected has voltage analog signal, the various kinds of sensors of current analog signal output, the various kinds of sensors that is connected by the device J2 that way word signal input is provided with digital signal output, the sensor that is connected by a MAX485 or MAX232 communication interface J4 with communication interface, like this, this equipment just can adapt to various kinds of sensors, can gather 2-6 environment measuring amount simultaneously.
3, multi-functional environment monitor as claimed in claim 1, it is characterized in that: described sensor probe comprises temperature sensor U10, it is ± 0.5 ℃ of other temperature sensor of high precision level DS18B20, it exports to 16 pin of 89C51 single-chip microcomputer U4 with digital signal form by its 2 pin with detected temperature value, and it is medium to be shown that 89C51 single-chip microcomputer U4 leaves this temperature value in the single-chip microcomputer internal RAM after treatment.
4, multi-functional environment monitor as claimed in claim 2, it is characterized in that: described sensor probe comprises humidity sensor U8, it is high-precision humidity sensor HIH3610, it exports to the aanalogvoltage form of 0.9-4.0 volt detected humidity value 1 pin of A/D converter U9 by its 2 pin, carry out the digitizing conversion together, two analog inputs of same J1, J3 terminate to 2,3 pin of U9, carry out the digitizing conversion together; U8, J1, three analog quantitys of J3 are by CPU U4 control carrying out periodic sampling, after each sample conversion is finished, U9 is ready to the 26 pin notice cpu data of U4 by 19 pin, U4 is by the spi bus visit U9 of 24,25,27,28 pin composition then, data after the U9 conversion are read out, and it is medium to be shown to deposit the single-chip microcomputer internal RAM equally after treatment.
5, multi-functional environment monitor as claimed in claim 2, it is characterized in that: described sensor probe, it provides the digital signal of the device J2 of way word signal input directly to input to 17 pin of U4 by its 1 pin, and it is medium to be shown to leave internal RAM in after U4 handles this numerical value.
6, multi-functional environment monitor as claimed in claim 2, it is characterized in that: described sensor probe, its communication interface J4 is a U11 MAX485 or U6 MAX232 communication interface, U6 and U11 can only install one, according to must interface type decision, when CPU by this interface U11 1 pin or after 9 pin of U6 received data, also wherein the sampled signal values of sensor extracted, it is medium to be shown to leave single-chip microcomputer RAM in.
7, multi-functional environment monitor as claimed in claim 1, it is characterized in that: to the Video signal processing of described Environment Monitoring Unit, at first the video input is begun by video inputs VD1, be coupled to 1 pin of character overlap chip U3 through electric capacity E1, export to 2 pin of Sync Separator Chip LM1881 U1 again through 7 pin, carry out signal Synchronization and separate, separate the row that obtains, field sync signal is delivered to character chip U2 respectively by 1,3 pin of U1 20,19 pin, carry out the signal stack; Character chip U2 is under these two synchronizing signal effects, according to character pattern to display, the position that character will show, 15 pin output flasher signal by character chip U2, this signal acts on 2 pin of character overlap chip U3, to cut the vision signal of its 1 pin input, character overlap chip U3 interior shape is done the adhesive action, vision signal is outputed to 4 pin of Sync Separator Chip U1 by 11 pin of character chip U2, vision signal and flasher signal are handled through character overlap chip U3,7 pin output by U3 sends video output VD2 to, carries out video output by VD2.
8, multi-functional environment monitor as claimed in claim 1, it is characterized in that: to the processing of the sound signal of described Environment Monitoring Unit, at first pick up environment sound intermediate frequency signal by acoustic pickup M1, the audio pulse of the 23 pin output certain frequency of CPU U4, the sound signal that collects and the sound signal of output send audio signal output VD3 to after signal amplifying triode Q6, Q7 amplify, by VD3 warning message is outputed on the video with the character style stack, carry out audio frequency output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100604050A CN100338439C (en) | 2004-07-09 | 2004-07-09 | Multifunction environment monitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100604050A CN100338439C (en) | 2004-07-09 | 2004-07-09 | Multifunction environment monitor |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1587915A CN1587915A (en) | 2005-03-02 |
CN100338439C true CN100338439C (en) | 2007-09-19 |
Family
ID=34603447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100604050A Expired - Fee Related CN100338439C (en) | 2004-07-09 | 2004-07-09 | Multifunction environment monitor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100338439C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100365391C (en) * | 2006-03-07 | 2008-01-30 | 北京农业信息技术研究中心 | Greenhouse environment information voice demon and method |
CN102340623B (en) * | 2010-07-22 | 2013-06-05 | 何林海 | Image and picture acquisition device of road monitoring equipment |
CN102701034A (en) * | 2011-03-28 | 2012-10-03 | 中国矿业大学 | Mine skip safety loading monitoring system |
CN102279244A (en) * | 2011-05-10 | 2011-12-14 | 中安金力(北京)安全生产技术研究院 | Multi-parameter sensor for entry lock |
CN102288218A (en) * | 2011-05-10 | 2011-12-21 | 中安金力(北京)安全生产技术研究院 | Multi-parameter sensor device used in survival cabin of underground shelter |
CN102228319A (en) * | 2011-05-25 | 2011-11-02 | 浙江大学 | Multisensor-integrated intelligent helmet |
CN104243852B (en) * | 2013-06-21 | 2019-02-22 | 北京通创华科技发展有限公司 | Traffic monitoring and environment information acquisition system |
CN104217549A (en) * | 2014-09-02 | 2014-12-17 | 南通北城科技创业管理有限公司 | Environment monitoring system |
CN104869292B (en) * | 2015-05-21 | 2019-04-19 | 深圳市拓普视频科技发展有限公司 | It is superimposed the simulation monitoring image capture method and video camera of intelligent signal in video signals |
CN105352548A (en) * | 2015-11-20 | 2016-02-24 | 南京工程学院 | Temperature and humidity measuring device and method |
CN105658003A (en) * | 2016-02-17 | 2016-06-08 | 成都佳美嘉科技有限公司 | Novel dustproof electronic monitoring device |
CN105893878A (en) * | 2016-04-26 | 2016-08-24 | 北京铠博德科技有限公司 | Environmental data black box in sealed space |
CN107796917A (en) * | 2017-09-30 | 2018-03-13 | 南京宏博环保实业有限公司 | A kind of intelligent on-line checking, alarm, prior-warning device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2386451Y (en) * | 1999-07-23 | 2000-07-05 | 广东工业大学 | Intelligent environmental oxygen measuring instrument |
CN1266346A (en) * | 2000-03-23 | 2000-09-13 | 姚存志 | Radio transmission method for base station monitoring-controlling system signal |
CN2486954Y (en) * | 2001-06-26 | 2002-04-17 | 南征 | Intelligent environment monitor |
CN2542010Y (en) * | 2002-06-05 | 2003-03-26 | 北京大恒正智电子科技发展有限公司 | Multifunctional video monitoring signal processor |
-
2004
- 2004-07-09 CN CNB2004100604050A patent/CN100338439C/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2386451Y (en) * | 1999-07-23 | 2000-07-05 | 广东工业大学 | Intelligent environmental oxygen measuring instrument |
CN1266346A (en) * | 2000-03-23 | 2000-09-13 | 姚存志 | Radio transmission method for base station monitoring-controlling system signal |
CN2486954Y (en) * | 2001-06-26 | 2002-04-17 | 南征 | Intelligent environment monitor |
CN2542010Y (en) * | 2002-06-05 | 2003-03-26 | 北京大恒正智电子科技发展有限公司 | Multifunctional video monitoring signal processor |
Also Published As
Publication number | Publication date |
---|---|
CN1587915A (en) | 2005-03-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100338439C (en) | Multifunction environment monitor | |
CN202434011U (en) | Automatic monitoring and alarming system for forest fire | |
CN202472850U (en) | Infrared-thermal-imaging type fire detection and alarm system | |
CN107705494A (en) | A kind of fire alarm fire-fighting system | |
CN106476853B (en) | A kind of urban track traffic low-voltage equipment safety monitoring system | |
CN205388766U (en) | Building engineering safety construction informatization monitoring system | |
CN207472722U (en) | Constructing metro tunnel security information comprehensive management system | |
CN103514702A (en) | Forest fire prevention early warning system | |
CN204270463U (en) | A kind of fire-proof and theft-proof Internet of Things Intelligent Measurement terminal system | |
CN202650177U (en) | Intelligent forest fire early warning command cloud platform system | |
CN203338502U (en) | IOT (Internet of Things) monitoring and early-warning command system for forest fire prevention and ecological prevention | |
CN108765840A (en) | A kind of method for arranging of forest fireproofing early warning system | |
CN104361710A (en) | Field multifunctional GPRS emergency broadcasting and alarming system | |
CN203894423U (en) | Small-scale weather station | |
CN212163520U (en) | High-risk operation video monitoring system | |
CN107990939A (en) | A kind of multipurpose real-time monitoring system for complex environment based on Internet of Things | |
CN210428556U (en) | Multipurpose electronic security inspection system based on unmanned aerial vehicle technology | |
CN203012168U (en) | Agricultural greenhouse environment monitoring system | |
CN204326689U (en) | With the tent of recording function | |
CN210072385U (en) | Gas alarm controller with communication function | |
CN217084853U (en) | Intelligent monitoring device applied to totally-enclosed coal yard | |
CN205334672U (en) | Mountain fire surveys alarm device | |
CN204649326U (en) | Tunnel monitoring device temperature cruising inspection system | |
CN2831282Y (en) | Prewarner of monitoring environment | |
CN113971861A (en) | Intelligent fire monitoring system based on Internet of things |
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 | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070919 Termination date: 20120709 |