CN208386237U - The arc detection protector of built-in wireless communication unit - Google Patents
The arc detection protector of built-in wireless communication unit Download PDFInfo
- Publication number
- CN208386237U CN208386237U CN201820589031.9U CN201820589031U CN208386237U CN 208386237 U CN208386237 U CN 208386237U CN 201820589031 U CN201820589031 U CN 201820589031U CN 208386237 U CN208386237 U CN 208386237U
- Authority
- CN
- China
- Prior art keywords
- wireless communication
- data
- unit
- communication unit
- detection
- 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.)
- Active
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Telephonic Communication Services (AREA)
Abstract
The utility model relates to the arc detection protectors of built-in wireless communication unit, including shell；Detection unit is located in the shell, and the detection unit includes at least fault electric arc detection unit, current detecting unit and voltage detection unit；Acousto-optic warning unit connect with the fault electric arc detection unit and issues alarm signal when the fault electric arc detection unit detects fault electric arc data-signal；Wireless communication unit, the detection unit are equipped with inserting groove, and the communication port of the wireless communication unit is plugged on the inserting groove.The arc detection protector of built-in wireless communication unit provided by the utility model; on the one hand it is more conducive to the problem in analysis circuit; on the one hand more scientific and reasonable electricity consumption plan can be formulated according to the data; ensure Electrical Safety; in addition; the wireless communication unit and the detection unit are installed using the modularization of insertion slot type, convenient for disassembly and assembly, are more advantageous to subsequent safeguarded.
Description
[technical field]
The utility model relates to the electric arc spies of circuit or electronic equipment protection field more particularly to built-in wireless communication unit
Survey protector.
[background technique]
Electric energy belongs to one of industrial production and the essential energy of daily life, with the development of science and technology, application
It is also more and more in the type and quantity of the electrical equipment of production and life.Meanwhile as economic rapid development and the people are raw
Raising living, electricity consumption are also being continuously increased.Electrical Safety, including personal safety and prevent electric leakage or fault electric arc caused by fire
Calamity is increasingly subject to people's attention.Fire caused by fault electric arc accounts for 60% or more in all electrical fires, therefore people are to low
Voltage electrical safety and the attention degree of fault electric arc protection are gradually increased.
Therefore, occur the various equipment for guaranteeing Electrical Safety for fault electric arc in the market, and existing skill
Often function is more single for these equipment in art, it is difficult to the problem in real-time remote monitoring, analysis circuit.
[summary of the invention]
In order to solve the above technical problems, the purpose of this utility model is to provide the arc detections of built-in wireless communication unit
Protector by electronic data such as fault electric arc data, current data, voltage datas in detection circuit and passes through mobile communication
Network is sent to server, and computer or mobile terminal device can obtain data from server efficiently and easily to be counted greatly
According to analysis, it is on the one hand more conducive to the problem in analysis circuit, on the one hand can be formulated according to the data more scientific and reasonable
Electricity consumption plan, it is ensured that Electrical Safety, acousto-optic warning unit can then play the role of intuitively effectively giving warning in advance, in addition,
The wireless communication unit and the detection unit are installed using the modularization of insertion slot type, convenient for disassembly and assembly, be more advantageous to it is subsequent into
Row maintenance.
The utility model is achieved through the following technical solutions:
The arc detection protector of built-in wireless communication unit, comprising:
Shell；
Detection unit is located in the shell, and the detection unit is included at least for the failure electricity in detection circuit
The fault electric arc detection unit of arc data, for the current detecting unit of current data in detection circuit and in detection circuit
The voltage detection unit of voltage data；
Acousto-optic warning unit connect with the fault electric arc detection unit and works as the fault electric arc detection unit detection
Alarm signal is issued when to fault electric arc data；
Setting is in the interior of shell for receiving the fault electric arc data, the current data and the voltage data
And the wireless communication unit of server is sent to by mobile communications network, the detection unit is equipped with inserting groove, the nothing
The communication port of line communication unit is plugged on the inserting groove to receive the fault electric arc data, the current data and institute
State voltage data.
Optionally, the arc detection protector of built-in wireless communication unit as described above, including for receiving the nothing
The first movement communication network data of line communication unit sending and the Mobile communication direct base station for carrying out signal amplification output processing.
Optionally, the arc detection protector of built-in wireless communication unit as described above, the Mobile communication direct base station
Include:
It is mounted on outdoor for receiving the outdoor logarithm for the second mobile communication network sent by mobile communications network
Periodic antenna；
It is mounted on indoor for receiving the interior for the first movement communication network data sent by the wireless communication unit
Antenna；
Connect with the outdoor log-periodic antenna and the domestic aerial to by the first movement communication network or
Second mobile communication network carries out the signal processor of signal amplification output processing.
Optionally, the arc detection protector of built-in wireless communication unit as described above, the mobile communications network hair
Come the second mobile communication network and the wireless communication unit issue first movement communication network data be can 2G,
The network data communicated on 3G, 4G or 5G mobile communications network.
Optionally, the arc detection protector of built-in wireless communication unit as described above, the detection unit further include
Residual current detection unit for the residual current data in real-time detection circuit.
Optionally, the arc detection protector of built-in wireless communication unit as described above, the detection unit further include
Temperature detecting unit for the temperature data of circuit in shell described in real-time detection.
Optionally, the arc detection protector of built-in wireless communication unit as described above, the interior of shell are additionally provided with
For the power circuit of power supply, the power circuit is connected with the detection unit and the wireless communication unit.
Optionally, the arc detection protector of wireless communication unit as described above built-in, further include be connected to it is detected
The short-circuit protection unit of open circuit protection is carried out in circuit when short circuit occurs for detected circuit.
Compared with prior art, the utility model has the following advantages:
1, by electronic data such as fault electric arc data, current data, voltage datas in detection circuit and pass through movement
Communication network is sent to server, and computer or mobile terminal device can obtain data from server efficiently and easily to carry out
On the one hand big data analysis is more conducive to the problem in analysis circuit, on the one hand can be formulated according to the data more scientific
Reasonable electricity consumption plan, it is ensured that Electrical Safety, acousto-optic warning unit can then play the role of intuitively effectively giving warning in advance, separately
Outside, the wireless communication unit and the detection unit are installed using the modularization of insertion slot type, convenient for disassembly and assembly, are more advantageous to subsequent
It is safeguarded.
2, the setting of the Mobile communication direct base station efficiently solves the problems, such as that respective regions mobile communications network signal is weak,
It not only ensure that the accurate and effective transmission of the electrical signal datas such as fault electric arc data, current data and voltage data, also taken into account hand
The mobile communications network signal of the mobile communication equipments such as machine, facilitates daily life and work significantly.
3, the residual current detection unit can be monitored at any time by the residual current in current transformer detection circuit
Current leakage situation in circuit, the temperature detecting unit can be detected the temperature variations of position with real-time detection, be
Big data, which collects and surveys, provides more reference indexs.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the system block diagram schematic diagram of the preferred embodiment in the utility model；
Fig. 2 is the mounting structure schematic diagram of wireless communication unit and the bracket described in the preferred embodiment in the utility model.
[specific embodiment]
The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
As shown in Figure 1 to Figure 2, the utility model embodiment proposes the arc detection protector of built-in wireless communication unit,
It is characterised by comprising: shell；Detection unit 2 is located in the shell, and the detection unit 2 is included at least for detecting
The fault electric arc detection unit 21 of fault electric arc data in circuit, for the current detecting unit of current data in detection circuit
22 and for voltage data in detection circuit voltage detection unit 23；Acousto-optic warning unit 3 is detected with the fault electric arc
Unit 21 connects and issues alarm signal when the fault electric arc detection unit 21 detects fault electric arc data-signal；Setting
In the interior of shell for receiving the fault electric arc data, the current data and the voltage data and by mobile logical
Communication network is sent to the wireless communication unit 4 of server, and the detection unit 2 is equipped with inserting groove, the wireless communication unit 4
Communication port be plugged on the inserting groove to receive the fault electric arc data, the current data and the voltage number
According to.By electronic data such as fault electric arc data, current data, voltage datas in detection circuit and pass through mobile communications network
It is sent to server, computer or mobile terminal device can obtain data from server efficiently and easily to carry out big data point
On the one hand analysis is more conducive to the problem in analysis circuit, more scientific and reasonable use on the one hand can be formulated according to the data
Electricity plan, it is ensured that Electrical Safety, acousto-optic warning unit can then play the role of intuitively effectively giving warning in advance, in addition, described
Wireless communication unit and the detection unit are installed using the modularization of insertion slot type, convenient for disassembly and assembly, are more advantageous to subsequent tieed up
Shield.
In mountain area, basement or the more place of Adjacent Buildings, mobile communications network is often weaker or even no signal,
Not only bad for the use of the mobile devices such as daily mobile phone, and the data transmit-receive of above-mentioned wireless communication unit is seriously affected, held
Information transmitting is easily caused to cause to use electrification not in time.
In the present embodiment, the wireless communication unit 4 is connected with for receiving that the wireless communication unit 4 issues
One mobile communication network and the Mobile communication direct base station 5 for carrying out signal amplification output processing.The Mobile communication direct base station 5
It include: to be mounted on the outdoor outdoor logarithm period for being used to receive the second mobile communication network sent by mobile communications network
Antenna；It is mounted on indoor for receiving the indoor day for the first movement communication network data sent by the wireless communication unit 4
Line；It is connect with the outdoor log-periodic antenna and the domestic aerial to by the first movement communication network or described
Two mobile communication networks carry out the signal processor of signal amplification output processing.It should be noted that the mobile communication
The first movement communication network data that the second mobile communication network and the wireless communication unit 4 that network is sent issue is
The network data that can be communicated on 2G, 3G, 4G or 5G mobile communications network.
A kind of mode is that unit sends data by wireless communication for fault electric arc data, current data and voltage data
Into mobile communications network, computer or mobile terminal device can easily obtain the data from mobile communications network, when
So, the communication of the wireless communication unit is two-way；Another way is, in the weaker place of signal, fault electric arc data,
After current data and voltage data are transferred to wireless communication unit, the data received are first passed through movement by wireless communication unit
Communication repeater station carries out signal enhanced processing, then sends the amplified data of signal in mobile communications network, computer or
Mobile terminal device can easily obtain the data from mobile communications network, and certainly, Mobile communication direct base station is also double
To communication, data not only can be periodically issued, but also issue data again after can receive order such as querying command.
Therefore, the setting of the Mobile communication direct base station efficiently solves that respective regions mobile communications network signal is weak to ask
Topic, not only ensure that the accurate and effective transmission of the electrical signal datas such as fault electric arc data, current data and voltage data, also takes into account
The mobile communications network signal of the mobile communication equipments such as mobile phone, facilitates daily life and work significantly.
Internet and mobile communications network have been achieved with interconnection and form mobile Internet at present, so that the biography of data-signal
It is defeated more flexible.The wireless communication unit 4 is built-in with the WIFI communication unit in accessible WIFI network, so that data pass
Defeated more diversification is to adapt to the wireless networks of diversified forms.
The present embodiment further includes by the fixed bracket 41 on the wall of the wireless communication unit 4, and the bracket 41 is equipped with
Flat face 414 for being adjacent to the vertical plane 413 being fixed on metope and for placing article, the vertical plane 413 and described
414 one end of flat face is mutually perpendicular to be connected, and the vertical plane 413 is connected with the free end of the flat face 414 by an inclined-plane；
The bracket 41 is equipped with second for accommodating the first accommodating chamber 411 of the wireless communication unit 4 and for accommodating cable
Accommodating chamber 412, first accommodating chamber 411 and second accommodating chamber 412 are upper end opening structure.Wherein, the bracket
It can be fixed on the wall by viscose glue or screw.The bracket can largely facilitate the wireless communication unit
Placement and associated cable storage so that the installation of wireless communication unit is more beautiful and practical, certainly, the institute of the bracket
It states flat face and can simultaneously serve as a platform and store other articles such as photo frame or above-mentioned signal processor etc..
Preferably, the detection unit 2 further includes the residual current for the residual current data in real-time detection circuit
Detection unit 24, the residual current detection unit 24, can be at any time by the residual current in current transformer detection circuit
Current leakage situation in observation circuit provides more reference indexs for big data collection and analysis.
In addition, the detection unit 2 further includes the temperature inspection for the temperature data of circuit in shell described in real-time detection
Unit 25 is surveyed, the temperature detecting unit 25 can be provided more with real-time detection temperature variations for big data collection and analysis
Reference index.
Secondly, the interior of shell is additionally provided with the power circuit 6 for power supply, standby electricity is equipped in the power circuit 6
Source, the backup power source and detected circuit connection simultaneously provide Power Reserve in detected circuit normal operation, so as to work as quilt
The backup power source remains to provide power supply when detection circuit disconnects, and the power circuit 6 can be with the detection unit 2, described
Wireless communication unit 4 is connected with Mobile communication direct base station 5, and provides electric energy for it.
In order to further enhance electrical safety index, the present embodiment further include connection short-circuit protection unit in circuit with
Protection circuit carries out open circuit protection when short circuit occurs.
In conclusion the utility model has the following beneficial effects:
1, by electronic data such as fault electric arc data, current data, voltage datas in detection circuit and pass through movement
Communication network is sent to server, and computer or mobile terminal device can obtain data from server efficiently and easily to carry out
On the one hand big data analysis is more conducive to the problem in analysis circuit, on the one hand can be formulated according to the data more scientific
Reasonable electricity consumption plan, it is ensured that Electrical Safety, acousto-optic warning unit can then play the role of intuitively effectively giving warning in advance, separately
Outside, the wireless communication unit and the detection unit are installed using the modularization of insertion slot type, convenient for disassembly and assembly, are more advantageous to subsequent
It is safeguarded.
2, the setting of the Mobile communication direct base station efficiently solves the problems, such as that respective regions mobile communications network signal is weak,
It not only ensure that the accurate and effective transmission of the electrical signal datas such as fault electric arc data, current data and voltage data, also taken into account hand
The mobile communications network signal of the mobile communication equipments such as machine, facilitates daily life and work significantly.
3, the residual current detection unit can be monitored at any time by the residual current in current transformer detection circuit
Current leakage situation in circuit, the temperature detecting unit can be detected the temperature variations of position with real-time detection, be
Big data, which collects and surveys, provides more reference indexs.
It is the one or more embodiments provided in conjunction with particular content as described above, does not assert the tool of the utility model
Body implementation is only limited to these instructions.It is all approximate with the method for the utility model, structure etc., identical or practical new for this
It makes several technologies under type concept thereof to deduce, or replacement all should be considered as the protection scope of the utility model.
Claims (8)
- The arc detection protector of wireless communication unit built in 1. characterized by comprisingShell；Detection unit (2), is located in the shell, and the detection unit (2) includes at least for the failure in detection circuit The fault electric arc detection unit (21) of arc data, for current data in detection circuit current detecting unit (22) and be used for The voltage detection unit (23) of voltage data in detection circuit；Acousto-optic warning unit (3) is connect and when the fault electric arc detection unit with the fault electric arc detection unit (21) (21) alarm signal is issued when detecting fault electric arc data；Setting is in the interior of shell for receiving the fault electric arc data, the current data and the voltage data and leading to The wireless communication unit (4) that mobile communications network is sent to server is crossed, the detection unit (2) is equipped with inserting groove, described The communication port of wireless communication unit (4) is plugged on the inserting groove to receive the fault electric arc data, the electric current number According to the voltage data；The arc detection protector of the built-in wireless communication unit further includes that the wireless communication unit (4) are fixed on the wall Bracket (41), the bracket (41) be equipped with for being adjacent to the vertical plane being fixed on metope (413) and for placing article Flat face (414), the vertical plane (413) is mutually perpendicular to be connected with the flat face (414) one end, the vertical plane (413) it is connected with the free end of the flat face (414) by an inclined-plane, the bracket (41) is equipped with for accommodating the nothing The first accommodating chamber (411) of line communication unit (4) and the second accommodating chamber (412) for accommodating cable, first accommodating chamber (411) and second accommodating chamber (412) is upper end opening structure.
- 2. the arc detection protector of built-in wireless communication unit according to claim 1, which is characterized in that including being used for It receives the first movement communication network data of the wireless communication unit (4) sending and carries out the movement of signal amplification output processing Communication repeater station (5).
- 3. the arc detection protector of built-in wireless communication unit according to claim 2, which is characterized in that the movement Communication repeater station (5) includes:It is mounted on outdoor for receiving the outdoor logarithm period for the second mobile communication network sent by mobile communications network Antenna；It is mounted on indoor for receiving the indoor day for the first movement communication network data sent by the wireless communication unit (4) Line；It is connect with the outdoor log-periodic antenna and the domestic aerial to by the first movement communication network or described Second mobile communication network carries out the signal processor of signal amplification output processing.
- 4. the arc detection protector of built-in wireless communication unit according to claim 3, which is characterized in that the movement The first movement communication network that the second mobile communication network and the wireless communication unit (4) that communication network is sent issue Data are the network data that can be communicated on 2G, 3G, 4G or 5G mobile communications network.
- 5. the arc detection protector of built-in wireless communication unit according to claim 1, which is characterized in that the detection Unit (2) further includes the residual current detection unit (24) for the residual current data in real-time detection circuit.
- 6. the arc detection protector of built-in wireless communication unit according to claim 1, which is characterized in that the detection Unit (2) further includes the temperature detecting unit (25) for the temperature data of circuit in shell described in real-time detection.
- 7. the arc detection protector of built-in wireless communication unit according to claim 1, which is characterized in that the shell Inside is additionally provided with the power circuit (6) for power supply, the power circuit (6) and the detection unit (2) and the channel radio Letter unit (4) is connected.
- 8. the arc detection protector of built-in wireless communication unit according to claim 1, which is characterized in that further include connecting Connect the short-circuit protection unit (7) for carrying out open circuit protection when short circuit occurs for detected circuit in detected circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589031.9U CN208386237U (en) | 2018-04-23 | 2018-04-23 | The arc detection protector of built-in wireless communication unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820589031.9U CN208386237U (en) | 2018-04-23 | 2018-04-23 | The arc detection protector of built-in wireless communication unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208386237U true CN208386237U (en) | 2019-01-15 |
Family
ID=64972570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820589031.9U Active CN208386237U (en) | 2018-04-23 | 2018-04-23 | The arc detection protector of built-in wireless communication unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208386237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113597039A (en) * | 2021-08-03 | 2021-11-02 | 南京洛仑通讯科技有限公司 | High-safety electric field generator for fault alarm and detection method thereof |
-
2018
- 2018-04-23 CN CN201820589031.9U patent/CN208386237U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113597039A (en) * | 2021-08-03 | 2021-11-02 | 南京洛仑通讯科技有限公司 | High-safety electric field generator for fault alarm and detection method thereof |
| CN113597039B (en) * | 2021-08-03 | 2024-05-17 | 南京洛仑电磁科技有限公司 | High-safety electric field generator with fault alarm function and detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105914535A (en) | Intelligent socket and interactive terminal device | |
| CN204204187U (en) | A kind of electricity consumption based on GSM network gathers intelligent terminal | |
| CN208386237U (en) | The arc detection protector of built-in wireless communication unit | |
| CN205334531U (en) | Intelligent early warning system is in time cleared up to transmission line corridor screen of trees | |
| CN205105003U (en) | Wisdom family terminal | |
| CN203588057U (en) | Wind power monitoring device | |
| CN108199477A (en) | Substation's ac and dc systems fault remote intelligent control method and equipment | |
| CN112117831A (en) | Electrical control cabinet remote monitering system based on internet | |
| CN208384055U (en) | Fault electric arc detects monitoring system | |
| CN206178515U (en) | Household power consumption pacifies full -digital management system | |
| CN102798416A (en) | Monitoring system for power environment in machine room | |
| CN208384056U (en) | Fault electric arc detecting alarm | |
| CN109857617A (en) | A kind of photoelectric parameter real time monitoring communication system | |
| CN202758231U (en) | Monitoring system for power environment in machine room | |
| CN208188988U (en) | Electric arc fireproof alarming signalling means | |
| CN210982588U (en) | Portable adapted electric quantity test terminal | |
| CN210155535U (en) | Be applied to rotating ring monitoring device of basic station or small-size computer lab | |
| CN204360505U (en) | Wireless fire disaster audible-visual annunciator | |
| CN201075736Y (en) | Information acquisition early warning apparatus for communication power supply running conditions | |
| CN209543551U (en) | A kind of microenvironment monitoring device for electrical cabinet | |
| CN204087414U (en) | Electric fire monitoring system | |
| CN207817171U (en) | A kind of power-off protection and alarm set of battery test apparatus | |
| CN201959457U (en) | Intelligent firefighting monitoring prewarning system with wired and wireless bidirectional data communication | |
| CN205595643U (en) | Centralized control type block terminal | |
| CN201126459Y (en) | High voltage wireless temperature monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |