CN202871029U - Gas alarm - Google Patents
Gas alarm Download PDFInfo
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- CN202871029U CN202871029U CN 201220400755 CN201220400755U CN202871029U CN 202871029 U CN202871029 U CN 202871029U CN 201220400755 CN201220400755 CN 201220400755 CN 201220400755 U CN201220400755 U CN 201220400755U CN 202871029 U CN202871029 U CN 202871029U
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- Prior art keywords
- alarm
- gas
- terminal device
- concentration parameter
- short distance
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- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000001143 conditioned effect Effects 0.000 claims description 16
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 89
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 42
- 229910002091 carbon monoxide Inorganic materials 0.000 description 41
- 238000000034 method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 210000003743 erythrocyte Anatomy 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002341 toxic gas Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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- 239000003034 coal gas Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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- Alarm Systems (AREA)
Abstract
The utility model discloses a gas alarm for improving information acquisition efficiency. The gas alarm comprises a detection module, a controller, an alarm module and a short-distance connection interface, wherein the detection module is used for acquiring concentration parameter information for representing a gas concentration through detection; the controller is connected with the detection module for receiving the concentration parameter information, judging whether the concentration parameter information meets a preset condition based on the preset condition and generating an alarm instruction when the concentration parameter information meets the preset condition; the alarm module is connected with the controller for receiving and executing the alarm instruction and outputting an alarm signal; and the short-distance connection interface is connected with the controller. The gas alarm disclosed by the utility model can be connected onto terminal equipment via the short-distance connection interface.
Description
Technical field
The utility model relates to communication and electronic applications, particularly a kind of gas alarm.
Background technology
Carbon monoxide (CO) gas be a kind of colourless, tasteless, non-stimulated, can't with the toxic gas of face perception, can suppress the oxygen carrying capacity of blood.The toxicity of carbon monoxide mainly is supply and the utilization that affects oxygen, and carbon monoxide is larger more than 300 times than the affinity of oxygen and erythrocyte with the affinity of erythrocyte, causes the tissue anoxic.After sucking CO gas, carbon monoxide enters lung and tries to be the first and be combined with erythrocyte, makes the ability of erythrocyte forfeiture transportation oxygen, causes a plurality of organ anoxics of human body, causes tissue damaged even death.Common people can't the oneself discover when accident is poisoned, and have entered comatose state when often being found, and lead to great bodily injury even death.Therefore it is referred to as " stealthy killer " in the family, at all inundue.
Heating Period in the winter time, door and window closes usually, and airborne coal gas (mainly being CO gas) inconvenience circulation has increased unsafe factor, uses Domestic carbon monoxide alarm (gas leak detector) can effectively prevent dangerous generation.
Existing carbon monoxide alarm generally can detect the content of carbon monoxide in bedroom or the bathroom, can change according to gas concentration and carry out alarm.
The application's utility model people finds to exist in the prior art following technical matters at least in the process that realizes the embodiment of the present application technical scheme:
Each carbon monoxide alarm of the prior art is after detecting the result, if the user wants to learn this result, needs to obtain to this locality at alarm place, and comparatively inconvenience has reduced information acquisition efficiency.
The utility model content
The utility model embodiment provides a kind of gas alarm, is used for solving the not high technical matters of efficient of prior art obtaining information, has realized improving the technique effect of the efficient of acquisition of information.
A kind of gas alarm comprises:
Detection module is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting;
Controller is connected with described detection module, is used for receiving described concentration parameter information, and pre-conditioned based on one, judge that whether described concentration parameter information satisfy one pre-conditioned, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command;
Alarm module is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal;
The short distance connecting interface is connected with described controller, and described gas alarm can be connected to a terminal device by described short distance connecting interface.
Better, described short distance connecting interface specifically is used for when described gas alarm is connected to described terminal device, by described short distance connecting interface the relevant information of described gas alarm is sent to described terminal device.
Better, described short distance connecting interface is specially the RS232 interface of 9 pins.
Better, the relevant information of described gas alarm is specially: the concentration parameter of CO gas, the attribute information of the on-site positional information of carbon monoxide alarm and/or carbon monoxide alarm.
Better, described detection module is specially:
Electrochemical sensor; Or
Half conductive gas sensor; Or
Infrared sensor; Or
Catalytic combustion type gas sensor.
Better, described gas alarm also comprises:
One vent fan is connected with described controller, is used for after the exhaust instruction that receives from described controller, by carrying out described exhaust instruction, so that the gas in the space, described gas alarm place is discharged.
Better, when described relevant information is specially the gas concentration parameter, by described short distance connecting interface described gas concentration parameter is sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.
The one or more technical schemes that provide in the embodiment of the present application have following technique effect or advantage at least:
1, owing to by described short distance connecting interface, described gas concentration parameter can be sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.So, efficiently solve in the prior art when obtaining information, the technical matters that workload is large, and then realized quick obtaining information, the technique effect that the efficient of acquisition of information improves.
2, owing to adopting 9 pin RS232 interfaces, thus efficiently solve described gas alarm can not with the technical matters of terminal device communication, and then realized the effective communication of alarm and terminal device.
3, owing to by 9 pin RS232 interfaces alarm is connected with terminal device, so, efficiently solve in the prior art and can't detect the technical matters that whether breaks down by the terminal device of far-end, and then realized being connected to terminal device by 9 pin RS232 interfaces the technique effect of the particular location that is broken down according to the data effective location gas alarm that sends by terminal device.
4, owing to the employing vent fan, so, efficiently solve the technical matters that too much causes alarm to break down owing to gas concentration in the prior art, and then realized the discharge toxic gas, the technique effect of avoiding alarm to break down.
Description of drawings
Fig. 1 is the detailed structure view of gas alarm among the utility model embodiment;
Fig. 2 is the network structure that gas alarm is connected with terminal device among the utility model embodiment.
Embodiment
Gas alarm among the utility model embodiment comprises: detection module is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting; Controller is connected with described detection module, is used for receiving described concentration parameter information, and pre-conditioned based on one, judge that whether described concentration parameter information satisfy one pre-conditioned, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command; Alarm module is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal; The short distance connecting interface is connected with described controller, and described gas alarm can be connected to a terminal device by described short distance connecting interface.By described short distance connecting interface described gas concentration parameter is sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.Be convenient to quick obtaining information, improved the efficient of acquisition of information.
Referring to Fig. 1, the gas alarm among the utility model embodiment can comprise detection module 101, controller 102, alarm module 103 and short distance connecting interface 104.It is outside that short distance connecting interface 104 among Fig. 1 is arranged at described gas alarm, by described short distance connecting interface so that described gas alarm link to each other with a terminal device.Better, the described gas alarm among the utility model embodiment can be carbon monoxide alarm.Described gas alarm can also comprise vent fan 105.
Described carbon monoxide alarm is that the concentration by sensor sensing CO in Air gas is transformed into electric signal, and the size of electric signal is relevant with the concentration of carbon monoxide.Carbon monoxide alarm is classified by employed sensor, generally be divided into semiconductor carbon monoxide alarm, galvanochemistry carbon monoxide alarm, Infrared Carbon Monoxide Detection instrument etc., from measuring sensitivity, precision, stability, the interference of anti-intersection gas, what performance was best is the Infrared Carbon Monoxide Detection instrument, but relatively more expensive, be fit to laboratory or industrial application, civilian semiconductor carbon monoxide alarm and the galvanochemistry carbon monoxide alarm of being generally.
For example, the semiconductor carbon monoxide alarm adopts the semi-conductor type carbon monoxide transducer as sensitive element, require its sensitive element constant temperature when 200 ℃ of left and right sides, can respond fast, therefore will increase electric-heating-wire-heating to it, so larger electric current will be provided, accurately measurement is very unfavorable to it greatly when temperature, humidity even wind change, be exactly that the intersection that easily is subject to other gas is disturbed in addition, such as the interference of the gases such as alcohol, oxides of nitrogen, hydrogen, alkanes, easily wrong report, but it is inexpensive.The normal operation life-span can reach 5 years.
The galvanochemistry carbon monoxide alarm adopts the zero-power electrochemical carbon monoxide sensor as sensitive element, mostly adopt the constant potentiometric electrolysis principle in the electrochemical process, utilize constant potentiometric electrolysis to carry out the redox electrochemical reaction, detect the concentration that dissufion current just can draw CO gas, and good linear measurement range and very high selectivity are arranged, and anti-intersection gas interference performance is also very strong.Electrochemical carbon monoxide sensor is the zero-power type, need not heating, is fit to very much cooperate the testing circuit of low-power consumption to adopt powered battery, makes carbonomonoxide concentration table, portable carbon monoxide alarm etc.The electrochemical carbon monoxide sensor long term exposure can affect its sensitivity and life-span in the pungency solvents such as oxygenless gas sample, alcohol, paint, even can lose efficacy.The aerial use of electrochemical carbon monoxide sensor is generally 3 years, also has 5 years, and longer reach more than 8 years.
For example can select battery powered galvanochemistry carbon monoxide alarm, its rate of false alarm is low, and is low in energy consumption, even and mains failure do not affect use yet.
For example, among the utility model embodiment, describedly pre-conditionedly can be: the corresponding concentration parameter value of described concentration parameter information be not less than the preset concentration parameter value.Concrete, can preset a preset concentration parameter value, when the corresponding described concentration parameter value of described concentration parameter information that detects when detection module 101 is not less than described preset concentration parameter value, illustrate that the carbon monoxide in the surrounding environment exceeds standard, then can to determine that described concentration parameter information satisfies described pre-conditioned for controller 102, can generate described alarm command.
For example, alarm module 103 can be a loudspeaker, and when detection module 101 notice alarm modules 103 were reported to the police, this loudspeaker can be sounded, with reminding user.For example, can set the warning duration, for example can set the warning duration is 5s, and then the sounding duration of loudspeaker can continue 5s.
Short distance connecting interface 104 is connected with described controller 102, can be used for by described short distance connecting interface 104, and described gas alarm can be connected to a terminal device by the short distance connecting interface.
Referring to Fig. 2, the gas alarm 201 among the utility model embodiment links to each other with peripheral hardware terminal device 202 by short distance connecting interface 104.
Short distance connecting interface 104 specifically can be used for when described gas alarm 201 need to be connected to described terminal device 202, by described short distance connecting interface 104 relevant information of described gas alarm 201 is sent to described terminal device 202.
For example, short distance connecting interface 104 can be sent to described terminal device 202 with the described concentration parameter information that detection module 101 detects, and perhaps the model of described gas alarm 201, positional information etc. and described gas alarm 201 relevant different information can be sent to described terminal device 202.That is, the described gas alarm 201 relevant information information relevant with described gas alarm 201 that can be the on-site positional information of concentration parameter, carbon monoxide alarm of CO gas and/or attribute information of carbon monoxide alarm etc.
For fear of packet loss, described gas alarm 201 relevant information can be sent preset times to described terminal device 202 by short distance connecting interface 104 inferior, wherein the interval between per twice can be the first duration, described preset times can preset, for example can stipulate that described preset times is three times, then can send three times, sending no matter whether receive the response message that terminal device 202 sides are replied after three times, all stop to send; Perhaps, after by short distance connecting interface 104 described gas alarm 201 relevant information being sent to terminal device 202, if receive the response message of the affirmation reception that described terminal device 202 is replied, then stop to send, better, when receiving the response message of first affirmation reception that described terminal device 202 is replied, can stop to send, if do not receive the response message that the described affirmation of described terminal device 202 answers receives, then proceed transmission; Perhaps, can after stopping of receiving that described terminal device 202 sends sends instruction, carry out the described instruction that stops to send, stop to the relevant information of described terminal device 202 transmissions and described gas alarm 201; Perhaps can also stipulate other send mode.
Or, for fear of packet loss, described testing result can be sent with predetermined period to terminal device 202 by short distance connecting interface 104.For example can set one first duration, in described the first duration, can send data to terminal device 202 sides with described predetermined period, when surpassing described the first duration, then can stop to send.
Among the utility model embodiment, can have the function that communicates with terminal device 202 sides by short distance connecting interface 104, the connected mode of short distance connecting interface 104 can be that the RS232 that uses 9 pins connects.Because the RS232 interface is for general duplex communication, only need several signal line just can realize, send line such as one, one receives line and a ground wire, and, the message transmission rate that the RS232 interface is stipulated be per second up to the 20k baud, maximum communication distance is 15m.Adopt 9 pin RS232 interfaces to have transmission speed fast, easy to use, support hot plug, connect the advantages such as flexible, independently-powered, versatility is extensive, the good characteristics of transplanting performance.
Short distance connecting interface 104 can comprise different states, and for example short distance connecting interface 104 can comprise connection status and off-state two states at least.Can only be in a kind of state at a moment short distance connecting interface 104.For example, the corresponding short distance connecting interface 104 of described connection status is in and state on terminal device 202 has been connected, can send data to terminal device 202 this moment by short distance connecting interface 104, the corresponding short distance connecting interface 104 of described off-state is in the state that has disconnected with terminal device 202, and can't to terminal device 202 send data by short distance connecting interface 104 this moment.
Short distance connecting interface 104 can enter connection status automatically after the testing result that gets access to detection module 101, in order to the testing result of detection module 101 is sent to terminal device 202.
Come back in the gas alarm shown in Figure 1, vent fan 105 is connected with described controller 102, can be used for after the exhaust instruction that receives from described controller 102, by carrying out described exhaust instruction, so that the gas in the space, described gas alarm place is discharged.
In Fig. 2, described terminal device 202 links to each other with gas alarm 201 by described short distance connecting interface 104, can be for showing described gas solubility parameter information, thus prompting user has warning message, does not check when this locality for the user.
Carbon monoxide alarm among the utility model embodiment comprises: detection module 101 is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting; Controller 102 is connected with described detection module, is used for receiving described concentration parameter information, and pre-conditioned based on one, judge that whether described concentration parameter information satisfy one pre-conditioned, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command; Alarm module 103 is connected with described controller 102, is used for receiving and carrying out described alarm command, output alarm signal; Short distance connecting interface 104 is connected with described controller 102, and described gas alarm can be connected to described terminal device by the short distance connecting interface.By described short distance connecting interface described gas concentration parameter is sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.Be convenient to quick obtaining information, improved the efficient of acquisition of information.If a plurality of gas alarms are particularly arranged, if the user wants to obtain its testing result in the prior art, need in each gas alarm, to obtain respectively, expend time in more, process is comparatively complicated loaded down with trivial details.And after adopting the scheme of the utility model embodiment, can obtain from the terminal device unification, simple and fast has improved the efficient of acquisition of information.And if terminal device will obtain data from certain gas alarm, and this gas alarm does not send data, can determine tentatively that then fault has appearred in this gas alarm, is convenient to carry out localization of fault.
By short distance connecting interface 104 described gas alarm 201 is connected to terminal device 202, in needs therefrom can be directly by this terminal device 202 during obtaining information, obtain, when needs also can directly transmit by this terminal device 202 during to its transmission information, the speed of obvious obtaining information, efficient is higher, and particularly under the more environment of gas alarm, be convenient to a plurality of gas alarms are carried out unified management.
And, among the utility model embodiment, can send repeatedly when sending data by short distance connecting interface 104, avoid packet loss.When being sent and do not continue data to be sent, short distance connecting interface 104 can disconnect and being connected of described terminal device 202, and namely can enter off-state by connection status, can save electric energy.
The one or more technical schemes that provide in the embodiment of the present application have following technique effect or advantage at least:
1, owing to by described short distance connecting interface, described gas concentration parameter can be sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.So, efficiently solve in the prior art when obtaining information, the technical matters that workload is large, and then realized quick obtaining information, the technique effect that the efficient of acquisition of information improves.
2, owing to adopting 9 pin RS232 interfaces, thus efficiently solve described gas alarm can not with the technical matters of terminal device communication, and then realized the effective communication of alarm and terminal device.
3, owing to by 9 pin RS232 interfaces alarm is connected with terminal device, so, efficiently solve in the prior art and can't detect the technical matters that whether breaks down by the terminal device of far-end, and then realized being connected to terminal device by 9 pin RS232 interfaces the technique effect of the particular location that is broken down according to the data effective location gas alarm that sends by terminal device.
4, owing to the employing vent fan, so, efficiently solve the technical matters that too much causes alarm to break down owing to gas concentration in the prior art, and then realized the discharge toxic gas, the technique effect of avoiding alarm to break down.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (7)
1. a gas alarm is characterized in that, comprising:
Detection module is used for the concentration parameter information that obtains to be used for characterizing a gas concentration by detecting;
Controller is connected with described detection module, is used for receiving described concentration parameter information, and pre-conditioned based on one, judge that whether described concentration parameter information satisfy one pre-conditioned, satisfy describedly when pre-conditioned in described concentration parameter information, generate an alarm command;
Alarm module is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal;
The short distance connecting interface is connected with described controller, and described gas alarm can be connected to a terminal device by described short distance connecting interface.
2. gas alarm as claimed in claim 1, it is characterized in that, described short distance connecting interface specifically is used for when described gas alarm is connected to described terminal device, by described short distance connecting interface the relevant information of described gas alarm is sent to described terminal device.
3. gas alarm as claimed in claim 2 is characterized in that, described short distance connecting interface is specially the RS232 interface of 9 pins.
4. such as the described gas alarm of each claim among the claim 1-3, it is characterized in that, described detection module specifically comprises:
Sensor is used for obtaining first simulating signal corresponding with described gas concentration;
Amplifier is connected with described sensor, is used for amplifying described the first simulating signal, obtains the second simulating signal;
The analog-to-digital conversion device links to each other with described amplifier, is used for described the second simulating signal is converted into the concentration parameter information that is used for characterizing a gas concentration of digital signals format.
5. gas alarm as claimed in claim 4 is characterized in that, described detection module is specially:
Electrochemical sensor; Or
Half conductive gas sensor; Or
Catalytic combustion type gas sensor.
6. such as the described gas alarm of arbitrary claim among the claim 1-3, it is characterized in that, described gas alarm also comprises:
One vent fan is connected with described controller, is used for after the exhaust instruction that receives from described controller, by carrying out described exhaust instruction, so that the gas in the space, described gas alarm place is discharged.
7. such as the described gas alarm of arbitrary claim among the claim 1-3, it is characterized in that, when described relevant information is specially the gas concentration parameter, by described short distance connecting interface described gas concentration parameter is sent to described terminal device, so that described terminal device can show described gas concentration parameter information, thereby prompting user has warning message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400755 CN202871029U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400755 CN202871029U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871029U true CN202871029U (en) | 2013-04-10 |
Family
ID=48037727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400755 Expired - Lifetime CN202871029U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202871029U (en) |
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2012
- 2012-08-13 CN CN 201220400755 patent/CN202871029U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING GOLDENET IOT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GOLDENET COMMUNICATION TECHNOLOGY BEIJING CO., LTD. Owner name: BEIJING GREAT WALL GOLDENET INTERNET OF THINGS TEC Free format text: FORMER NAME: BEIJING GOLDENET IOT TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Room 22 building CDE No. 8 Linda Building A 100029 Beijing city Chaoyang District Dongtucheng Road Patentee after: BEIJING GOLDENET IOT TECHNOLOGY Co.,Ltd. Address before: Room 22 building CDE No. 8 Linda Building A 100029 Beijing city Chaoyang District Dongtucheng Road Patentee before: GoldeNet Communication Technology (Beijing) Co.,Ltd. Address after: Room 22 building CDE No. 8 Linda Building A 100029 Beijing city Chaoyang District Dongtucheng Road Patentee after: BEIJING GOLDENET IOT TECHNOLOGY Co.,Ltd. Address before: Room 22 building CDE No. 8 Linda Building A 100029 Beijing city Chaoyang District Dongtucheng Road Patentee before: BEIJING GOLDENET IOT TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |