CN104252769A - Gas-alarm-function-contained information exchange terminal and system - Google Patents

Gas-alarm-function-contained information exchange terminal and system Download PDF

Info

Publication number
CN104252769A
CN104252769A CN201310259313.4A CN201310259313A CN104252769A CN 104252769 A CN104252769 A CN 104252769A CN 201310259313 A CN201310259313 A CN 201310259313A CN 104252769 A CN104252769 A CN 104252769A
Authority
CN
China
Prior art keywords
gas
module
leakage
alarm function
microprocessor
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
Application number
CN201310259313.4A
Other languages
Chinese (zh)
Inventor
何庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAQING ENCH INNOVATION TECHNOLOGY Co Ltd
Original Assignee
DAQING ENCH INNOVATION TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DAQING ENCH INNOVATION TECHNOLOGY Co Ltd filed Critical DAQING ENCH INNOVATION TECHNOLOGY Co Ltd
Priority to CN201310259313.4A priority Critical patent/CN104252769A/en
Publication of CN104252769A publication Critical patent/CN104252769A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a gas-alarm-function-contained information exchange terminal and system. The gas-alarm-function-contained information exchange terminal comprises a leakage detector for detecting combustion gas leakage, a leakage alarm device for receiving an alarm signal, a first microprocessor for receiving a combustion leakage signal sent by the leakage detector and sending the alarm signal, and a remote communicator. The leakage detector and the leakage alarm device are respectively connected with the first microprocessor; the remote communicator and the first microprocessor are connected; and the first microprocessor uploads the combustion gas leakage alarm signal to an external cloud service platform by using the remote communicator. According to the gas-alarm-function-contained information exchange terminal and system, the combustion gas leakage alarm information is uploaded to the cloud service platform by the remote communicator, and the cloud service platform issues the alarm information to a gas consumer and a gas company. Therefore, the gas using security and reliability are improved.

Description

There is information interchange terminal and the system of gas alarm function
Technical field
The present invention relates to gas safe technical field, particularly, relate to the information interchange terminal and system with gas alarm function.
Background technology
Combustion gas is inflammable and explosive, poisonous and harmful, needs to be strictly on guard against leakage.The solution generally adopted at present installs fuel gas alarm in gas user man.Fuel gas alarm can detect gas leakage in time and automatically close, and ensures and uses gas safety.
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems:
The first, if during gas user stays out, just can not obtain warning message in the very first time and adopt an effective measure in time, gas company equally also cannot obtain the warning message of gas leakage in user family in time, and processes in time; The second, if the power-off of intelligent gas alarm or damage, gas user is neglectful in taking precautions, non-Timeliness coverage alarm fault, and gas company cannot know that alarm is abnormal, and the gas safe of user cannot ensure.
Summary of the invention
The present invention is to overcome the defect that in prior art, fuel gas alarm security is not high enough, according to an aspect of the present invention, proposes a kind of information interchange terminal with gas alarm function.
According to the information interchange terminal with gas alarm function of the embodiment of the present invention, comprising:
Concurrent first microprocessor and the telecommunication device sending alerting signal of gas leakage signal detecting the leakage detector of gas leakage, receive the leakage alarm of alerting signal, receive leakage detector transmission, described leakage detector, leakage alarm are connected with first microprocessor respectively, telecommunication device is connected with first microprocessor, and the alerting signal of gas leakage cloud service platform is externally uploaded by telecommunication device by first microprocessor.
The present invention is to overcome the defect that in prior art, fuel gas alarm security is not high enough, according to an aspect of the present invention, proposes a kind of Information Exchange System with gas alarm function.
According to the Information Exchange System with gas alarm function of the embodiment of the present invention, comprising:
There is information interchange terminal and the cloud service platform of gas alarm function, the information interchange terminal with gas alarm function is connected with cloud service platform is long-range, the information interchange terminal with gas alarm function comprises telecommunication device, and the gas leakage alarm signal self produced is uploaded to described cloud service platform by telecommunication device by the information interchange terminal with gas alarm function.
Information interchange terminal and the system with gas alarm function of the present invention, based on telecommunication device, gas leakage alarm information is uploaded to cloud service platform, by cloud service platform, warning message is distributed to gas user and gas company, improves the safety and reliability using combustion gas.
Information interchange terminal and the system with gas alarm function of the present invention, cloud service platform remote monitoring can also arrange the duty with the information interchange terminal of gas alarm function, as alarm parameter, restart, software upgrading etc., and work state information is distributed to gas user and gas company, ensure that the alarm moment is in safe operation state, be conducive to combustion gas use safety and stable guarantee.
Information interchange terminal and the system with gas alarm function of the present invention, be connected by the communication of the first communicator with the second communicator, ensure that cloud service platform passes through to have the information interchange terminal remote online control gas meter, flow meter of gas alarm function, as remote meter reading, improve the timely acquisition of gas company to gas meter, flow meter running parameter and duty, improve the efficiency of service of gas company, ensure that gas user uses the safety and reliability of combustion gas.
Information interchange terminal and the system with gas alarm function of the present invention, the data of multiple alarm and gas meter, flow meter can be undertaken gathering and adding up by networking among a small circle by cloud service platform, improve validity and the promptness of data analysis, be conducive to the raising of cloud service platform work efficiency.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that the present invention has the information interchange terminal of gas alarm function and the structural representation of system.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Gas leakage can only be detected and valve-closing for existing fuel gas alarm, do not support communication function, the defect that the warning message of gas leakage can not be passed, the present invention relates to fuel gas alarm field, be specially one and embedded remote communicator and the first communicator have been installed, there is the information interchange terminal with gas alarm function of internet of things functional.The information interchange terminal with gas alarm function of the present invention has dual communication function: realize the communication with cloud service platform by telecommunication device, realizes the communication with gas meter, flow meter by the first communicator.In addition, in conjunction with above-mentioned two kinds of communication modes, achieve the communication of cloud service platform and gas meter, flow meter, and finally achieve cloud service platform to the remote meter reading of gas meter, flow meter, telemanagement.
As shown in Figure 1, the information interchange terminal 100 with gas alarm function of the present invention comprises: first microprocessor 140, leakage detector 110, leakage alarm, telecommunication device 150 and power module 130, the data-carrier store 160 etc. stored for data.
Further, leakage alarm can comprise: phonetic alarm 120.
The Information Exchange System with gas alarm function of the present invention comprises: information interchange terminal 100 and the cloud service platform 300 with gas alarm function.
Leakage detector 110 detects gas leakage, the alerting signal of gas leakage is delivered to first microprocessor 140, alerting signal is sent to phonetic alarm 120 by first microprocessor 140, and by telecommunication device 150, the warning message of gas leakage is sent to cloud service platform 300, by cloud service platform 300, the warning message of gas leakage is sent to gas company and gas user.
Operation signal is sent to telecommunication device 150 by cloud service platform 300, telecommunication device 150 forwards this operation signal to first microprocessor 140, first microprocessor 140 responds, and by telecommunication device 150, operation execution result is fed back to cloud service platform 300.
Aforesaid operations signal includes but not limited to: fault diagnosis signal, arrange alarm parameter, restart and the signals such as software upgrading.
Further, the information interchange terminal with gas alarm function also comprises: the first communicator 170, first communicator 170 is connected with first microprocessor 140, and first microprocessor 140 carries out the sending and receiving communication of signal by the first communicator 170 and outside gas meter, flow meter 200.
Further, the Information Exchange System with gas alarm function also comprises: gas meter, flow meter 200, gas meter, flow meter 200 comprises the second microprocessor 220 and the second communicator 210, second communicator 210 of gas meter, flow meter 200 can realize wired or wireless electrical connection with the first communicator 170 of the information interchange terminal 100 with gas alarm function, and the second microprocessor 220 of gas meter, flow meter 200 can by the second communicator 210 and information interchange terminal 100 communication with gas alarm function.
Above-mentioned first communicator 170 can be WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
Above-mentioned second communicator 210 can be WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
Further, the Information Exchange System with gas alarm function also comprises: wireless router 400.
Above-mentioned telecommunication device 150 can be WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
When above-mentioned telecommunication device 150 is WiFi module, bluetooth module, radio short distance communication module, telecommunication device 150 carries out the communication of up-downgoing data message by wireless router 400 and cloud service platform 300.
The standard of above-mentioned 3G module comprises WCDMA standard, CDMA2000 standard, TD-SCDMA standard, WiMax standard.
The standard of above-mentioned 4G module comprises TD-LTE standard or FDD-LTE standard, and the evolution technology EV-DO RevA etc. of the evolution technology HSUPA of the evolution technology TD-HSDPA of TD-SCDMA, WCDMA, CDMA2000.
Those skilled in the art should understand, and above-mentioned first microprocessor 140 and the second microprocessor 220 can be single-chip microcomputer, comprising: 51 series, the kind such as PIC is serial, AVR is serial, freescale is serial, msp is serial.
Cloud service platform 300 is to telecommunication device 150 transmit operation instruction, telecommunication device 150 forwards this operational order to first microprocessor 140, first microprocessor 140 forwards this operational order to the first communicator 170, this operational order is sent to the second communicator 210 of gas meter, flow meter 200 by the first communicator 170, second microprocessor 220 is resolved this operational order and performs, finally will operate execution result by the second communicator 210, first communicator 170, first microprocessor 140, telecommunication device 150, be uploaded to cloud service platform 300.
Aforesaid operations instruction includes but not limited to: check meter, condition monitoring, the instruction such as fault detect.
Cloud service platform 300 is by sending information of voice prompt to wireless router 400, information of voice prompt is sent to telecommunication device 150 by wireless router 400, telecommunication device 150 forwards this information of voice prompt to first microprocessor 140, first microprocessor 140 controls phonetic alarm 120 according to information of voice prompt and issues voice message, can immediately issue, also regularly can issue, can also issue when gas user use next time combustion gas; Can point out once, also can point out repeatedly.After completing voice message, information is fed back to cloud service platform 300 by wireless router 400.
Further, cloud service platform 300 comprises the 3rd communicator 310 receiving 3G or 4G signal, and described wireless router comprises the 4th communicator 410 receiving 3G or 4G signal.
Operational order to telecommunication device 150, or is sent to telecommunication device 150 by wireless router 400 by the direct transmit operation instruction of smart mobile phone, realizes the online management to the information interchange terminal 100 with gas alarm function; Also by having the information interchange terminal 100 transfer operational order of gas alarm function, communication can be set up with gas meter, flow meter 200, realizing the online management to gas meter, flow meter 200; 3G or 4G network and service platform 300 communication can also be utilized, realize gas meter, flow meter 200, there is the transparent transmission of the information interchange terminal 100 of gas alarm function, smart mobile phone, cloud service platform 300, also can realize mobile phone by above-mentioned transparent transmission and the function such as pay the fees online.
Information interchange terminal and the system with gas alarm function of the present invention, based on telecommunication device, gas leakage alarm information is uploaded to cloud service platform, by cloud service platform, warning message is distributed to gas user and gas company, improves the safety and reliability using combustion gas.
Information interchange terminal and the system with gas alarm function of the present invention, cloud service platform remote monitoring can also arrange the duty with the information interchange terminal of gas alarm function, as alarm parameter, restart, software upgrading etc., and work state information is distributed to gas user and gas company, ensure that the alarm moment is in safe operation state, be conducive to combustion gas use safety and stable guarantee.
Information interchange terminal and the system with gas alarm function of the present invention, be connected by the communication of the first communicator with the second communicator, ensure that cloud service platform passes through to have the information interchange terminal remote online control gas meter, flow meter of gas alarm function, as remote meter reading, improve the timely acquisition of gas company to gas meter, flow meter running parameter and duty, improve the efficiency of service of gas company, ensure that gas user uses the safety and reliability of combustion gas.
Information interchange terminal and the system with gas alarm function of the present invention, the data of multiple alarm and gas meter, flow meter can be undertaken gathering and adding up by networking among a small circle by cloud service platform, be stored in data-carrier store 160, timing is unified to be uploaded in cloud service platform 300, improve validity and the promptness of data analysis, be conducive to the raising of cloud service platform work efficiency.
The present invention can have multiple multi-form embodiment; above for Fig. 1 by reference to the accompanying drawings to technical scheme of the present invention explanation for example; this does not also mean that the instantiation that the present invention applies can only be confined in specific flow process or example structure; those of ordinary skill in the art should understand; specific embodiments provided above is some examples in multiple its preferred usage, and the embodiment of any embodiment the claims in the present invention all should within technical solution of the present invention scope required for protection.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (14)

1. one kind has the information interchange terminal of gas alarm function, it is characterized in that, comprise: the leakage detector detecting gas leakage, receive the leakage alarm of alerting signal, receive concurrent first microprocessor and the telecommunication device sending alerting signal of gas leakage signal that described leakage detector sends, described leakage detector, leakage alarm is connected with described first microprocessor respectively, described telecommunication device is connected with first microprocessor, the alerting signal of described gas leakage cloud service platform is externally uploaded by telecommunication device by described first microprocessor.
2. the information interchange terminal with gas alarm function according to claim 1, it is characterized in that, also comprise the first communicator receiving described first microprocessor control signal, described first communicator is connected with first microprocessor, and described first microprocessor carries out the sending and receiving communication of signal by the first communicator and outside gas meter, flow meter.
3. the information interchange terminal with gas alarm function according to claim 1 and 2, is characterized in that, described leakage alarm comprises the phonetic alarm for issuing information of voice prompt.
4. the information interchange terminal with gas alarm function according to claim 1 and 2, is characterized in that, described telecommunication device is WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
5. the information interchange terminal with gas alarm function according to claim 2, is characterized in that, described first communicator is WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
6. one kind has the Information Exchange System of gas alarm function, it is characterized in that, comprise: information interchange terminal and the cloud service platform with gas alarm function, the described information interchange terminal with gas alarm function is connected with cloud service platform is long-range, the described information interchange terminal with gas alarm function comprises telecommunication device, described in there is gas alarm function information interchange terminal the gas leakage alarm signal self produced is uploaded to described cloud service platform by described telecommunication device.
7. the Information Exchange System with gas alarm function according to claim 6, it is characterized in that, also comprise: gas meter, flow meter, described gas meter, flow meter is connected with the information interchange terminal with gas alarm function, the described information interchange terminal with gas alarm function comprises the first communicator, described gas meter, flow meter comprises the second communicator, described in there is gas alarm function information interchange terminal carried out the sending and receiving communication of signal by the second communicator of described first communicator and described gas meter, flow meter.
8. the Information Exchange System with gas alarm function according to claim 6 or 7, it is characterized in that, also comprise: wireless router, described telecommunication device is WiFi module, bluetooth module or radio short distance communication module, and described remote server uploads gas leakage alarm signal by described wireless router to described cloud service platform.
9. the Information Exchange System with gas alarm function according to claim 6 or 7, it is characterized in that, described intelligent gas alarm comprises: the leakage detector detecting gas leakage, receive the leakage alarm of alerting signal, receive concurrent first microprocessor and the telecommunication device sending alerting signal of gas leakage signal that described leakage detector sends, described leakage detector, leakage alarm is connected with described first microprocessor respectively, described telecommunication device is connected with first microprocessor, the alerting signal of described gas leakage is uploaded to described cloud service platform by telecommunication device by described first microprocessor.
10. the information interchange terminal with gas alarm function according to claim 9, is characterized in that, described leakage alarm comprises the phonetic alarm for issuing information of voice prompt.
11. Information Exchange System with gas alarm function according to claim 7, it is characterized in that, described gas meter, flow meter also comprises the second microprocessor performing various operational order, described second microprocessor is connected with described second communicator, and described second microprocessor carries out the sending and receiving communication of signal by described second communicator and the described information interchange terminal with gas alarm function.
12. Information Exchange System with gas alarm function according to claim 6 or 7, it is characterized in that, described telecommunication device is internet module, 3G module or 4G module.
13. Information Exchange System with gas alarm function according to claim 7 or 11, it is characterized in that, described first communicator is WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module, and described second communicator is WiFi module, bluetooth module, radio short distance communication module, internet module, 3G module or 4G module.
14. Information Exchange System with gas alarm function according to claim 8, is characterized in that, described cloud service platform comprises the 3rd communicator receiving 3G or 4G signal, and described wireless router comprises the 4th communicator receiving 3G or 4G signal.
CN201310259313.4A 2013-06-26 2013-06-26 Gas-alarm-function-contained information exchange terminal and system Pending CN104252769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310259313.4A CN104252769A (en) 2013-06-26 2013-06-26 Gas-alarm-function-contained information exchange terminal and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310259313.4A CN104252769A (en) 2013-06-26 2013-06-26 Gas-alarm-function-contained information exchange terminal and system

Publications (1)

Publication Number Publication Date
CN104252769A true CN104252769A (en) 2014-12-31

Family

ID=52187623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310259313.4A Pending CN104252769A (en) 2013-06-26 2013-06-26 Gas-alarm-function-contained information exchange terminal and system

Country Status (1)

Country Link
CN (1) CN104252769A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105320124A (en) * 2015-10-12 2016-02-10 武汉钢铁(集团)公司 Method and intelligent terminal used for pushing alarm information
CN105824277A (en) * 2016-03-08 2016-08-03 厦门合创成电子科技有限公司 Remote monitoring linkage gas alarm system
CN105894760A (en) * 2015-02-17 2016-08-24 霍尼韦尔国际公司 Alternative inexpensive cloud-based mass market alarm system with alarm monitoring and reporting
CN107644513A (en) * 2017-10-24 2018-01-30 发达新材料有限公司 A kind of natural gas leaking monitoring system
CN108629951A (en) * 2018-05-21 2018-10-09 浙江千亿家和智慧能源科技有限公司 A kind of Intelligent combustible gas alarm system
CN110886897A (en) * 2019-11-20 2020-03-17 熙家智能系统(深圳)有限公司 Valve closing device and matching method thereof
CN110930655A (en) * 2019-11-20 2020-03-27 熙家智能系统(深圳)有限公司 Gas meter with automatic valve closing function and pairing method thereof
CN111024173A (en) * 2019-11-20 2020-04-17 熙家智能系统(深圳)有限公司 Gas meter with automatic valve closing function and pairing method thereof
CN111091693A (en) * 2019-11-20 2020-05-01 熙家智能系统(深圳)有限公司 Detection alarm and pairing method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101070830B1 (en) * 2009-09-29 2011-10-06 포항공과대학교 산학협력단 Waste gas leak detection system and control method using the same
CN202093376U (en) * 2011-04-26 2011-12-28 耕者有田科技(北京)有限公司 City combustion gas monitoring alarm system
CN102509422A (en) * 2011-10-17 2012-06-20 大连海事大学 Fuel gas monitoring system
CN202422367U (en) * 2011-12-22 2012-09-05 洛阳理工学院 Fuel gas detecting and alarming device based on GSM (global system for mobile) moudle message sending
CN103065438A (en) * 2012-11-30 2013-04-24 上海万康无线智能控制系统有限公司 Gas alarm system with wireless communication function
CN203366500U (en) * 2013-06-26 2013-12-25 大庆英辰创新科技有限公司 Information exchange terminal with combustion gas alarm function, and system thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101070830B1 (en) * 2009-09-29 2011-10-06 포항공과대학교 산학협력단 Waste gas leak detection system and control method using the same
CN202093376U (en) * 2011-04-26 2011-12-28 耕者有田科技(北京)有限公司 City combustion gas monitoring alarm system
CN102509422A (en) * 2011-10-17 2012-06-20 大连海事大学 Fuel gas monitoring system
CN202422367U (en) * 2011-12-22 2012-09-05 洛阳理工学院 Fuel gas detecting and alarming device based on GSM (global system for mobile) moudle message sending
CN103065438A (en) * 2012-11-30 2013-04-24 上海万康无线智能控制系统有限公司 Gas alarm system with wireless communication function
CN203366500U (en) * 2013-06-26 2013-12-25 大庆英辰创新科技有限公司 Information exchange terminal with combustion gas alarm function, and system thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105894760A (en) * 2015-02-17 2016-08-24 霍尼韦尔国际公司 Alternative inexpensive cloud-based mass market alarm system with alarm monitoring and reporting
CN105320124A (en) * 2015-10-12 2016-02-10 武汉钢铁(集团)公司 Method and intelligent terminal used for pushing alarm information
CN105824277A (en) * 2016-03-08 2016-08-03 厦门合创成电子科技有限公司 Remote monitoring linkage gas alarm system
CN107644513A (en) * 2017-10-24 2018-01-30 发达新材料有限公司 A kind of natural gas leaking monitoring system
CN108629951A (en) * 2018-05-21 2018-10-09 浙江千亿家和智慧能源科技有限公司 A kind of Intelligent combustible gas alarm system
CN110886897A (en) * 2019-11-20 2020-03-17 熙家智能系统(深圳)有限公司 Valve closing device and matching method thereof
CN110930655A (en) * 2019-11-20 2020-03-27 熙家智能系统(深圳)有限公司 Gas meter with automatic valve closing function and pairing method thereof
CN111024173A (en) * 2019-11-20 2020-04-17 熙家智能系统(深圳)有限公司 Gas meter with automatic valve closing function and pairing method thereof
CN111091693A (en) * 2019-11-20 2020-05-01 熙家智能系统(深圳)有限公司 Detection alarm and pairing method thereof

Similar Documents

Publication Publication Date Title
CN104252769A (en) Gas-alarm-function-contained information exchange terminal and system
CN204740714U (en) Combustible gas leaks alarm system
CN202422367U (en) Fuel gas detecting and alarming device based on GSM (global system for mobile) moudle message sending
CN202677594U (en) Watt-hour meter collector capable of initiatively reporting incidents
CN203366500U (en) Information exchange terminal with combustion gas alarm function, and system thereof
CN207064215U (en) A kind of control system of intelligent water pump
CN102509422A (en) Fuel gas monitoring system
CN103034936A (en) High-risk item management and control system
CN202929668U (en) Management and control system for highly hazardous article
CN203242151U (en) Ultra-low power consumption GPRS (general packet radio service) remote water meter device
CN202904206U (en) Portable projection device capable of avoiding faulty starting
CN109384113A (en) A kind of elevator faults monitoring system based on wireless communication
CN204965728U (en) IoT (Internet of things) data acquisition terminal
CN204576759U (en) Based on the smoke alarm unit of wireless network
CN203276498U (en) Intelligent natural gas alarm
CN204117343U (en) Arcola security of operation IDT
CN203306866U (en) Automatic detecting system for elevator maintenance
CN203193738U (en) CDMA-based short message alarm device
CN104899977A (en) Intelligent IC card gas meter mainboard automatic-detection system
CN202257864U (en) Hydrogen sulfide leakage alarm device based on short messages
CN104407558A (en) Battery monitoring system for electric automobile
CN108037457A (en) A kind of battery dynamic monitoring system
CN204515407U (en) Overhead type fault detector
CN203929839U (en) Anti-infrared telepilot electricity filching device, intelligent electric meter system
CN203786228U (en) RS485 interface inspection apparatus for electric energy meter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into 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: 20141231