CN202795672U - Gas alarm - Google Patents
Gas alarm Download PDFInfo
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- CN202795672U CN202795672U CN 201220400788 CN201220400788U CN202795672U CN 202795672 U CN202795672 U CN 202795672U CN 201220400788 CN201220400788 CN 201220400788 CN 201220400788 U CN201220400788 U CN 201220400788U CN 202795672 U CN202795672 U CN 202795672U
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- 238000001514 detection method Methods 0.000 claims abstract description 37
- 230000001143 conditioned effect Effects 0.000 claims description 16
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 4
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- 238000012360 testing method Methods 0.000 description 15
- 238000004891 communication Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
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- 239000004065 semiconductor Substances 0.000 description 5
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- 230000008859 change Effects 0.000 description 4
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- 239000001301 oxygen Substances 0.000 description 4
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- 238000010438 heat treatment Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
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- 230000008569 process Effects 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
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 206010010071 Coma Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
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- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 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
- 229910000037 hydrogen sulfide Inorganic materials 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
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The utility model discloses a gas alarm, which is used for improving information acquisition efficiency. The gas alarm comprises a detection module, a controller, an alarm module and a data interface, wherein the detection module is used for acquiring concentration parameter information for characterizing a gas concentration through detection; the controller is connected with the detection module, and is used for receiving the concentration parameter information, and based on a preset condition, determining whether the concentration parameter information satisfies the preset condition or not, and generating an alarm instruction if the concentration parameter information satisfies the preset condition; the alarm module is connected with the controller, and is used for receiving and executing the alarm instruction and outputting an alarm signal; and the data interface is connected with the controller, and the gas alarm can be connected to a terminal device via the data interface.
Description
Technical field
The utility model relates to communication and electronic applications, particularly a kind of gas alarm.
Background technology
CO gas (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 gas mainly is supply and the utilization that affects oxygen, and gas is larger more than 300 times than the affinity of oxygen and erythrocyte with the affinity of erythrocyte, causes the tissue anoxic.After sucking gas, gas 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 gas alarm (gas leak detector) can effectively prevent dangerous generation.
Existing gas alarm generally can detect the content of gas in bedroom or the bathroom, can change according to gas concentration and carry out alarm.
The present application 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 gas alarm of the prior art is after detecting the result, if the user wants to learn this result, need to obtain from gas alarm, 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, improves the technique effect of the efficient of acquisition of information.
A kind of gas alarm comprises:
Detection module is used for the gas alarm relevant 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 gas alarm relevant information, and pre-conditioned based on one, it is one pre-conditioned to judge that whether described gas alarm relevant information satisfies, and satisfies describedly when pre-conditioned in described gas alarm relevant information, generates an alarm command;
Alarm module is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal;
Data-interface is connected with described controller, and by described data-interface, described gas alarm can be connected to a terminal device.
Better, described data-interface specifically is used for when described gas alarm is connected to described terminal device, by described data-interface the relevant information of described gas alarm is uploaded to described terminal device.
Better, described data-interface specifically is used for by described data-interface, according to a preset rules described gas alarm relevant information being uploaded to described equipment when described gas alarm is connected to described data-interface, wherein, described preset rules is: the default number of times of uploading; Or default uploading the cycle.
Better, described data-interface is specially USB interface, com interface, DB9 interface, DB25 interface, RS232 interface or RS485 interface.
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, described gas alarm also comprises:
One display screen is connected with described controller, is used for showing described gas alarm relevant information.
By the technical scheme among the utility model embodiment, can be achieved as follows technique effect at least:
Because terminal device can obtain by described data-interface the testing result of described gas alarm, be convenient to quick obtaining information, improved the efficient of acquisition of information.
Further, because by described data-interface, can described gas alarm relevant information be uploaded to terminal device according to a preset rules, so, terminal device can obtain according to preset rules the testing result of gas alarm, can improve reliability, the stability of data transmission.And can change the scope of application of gas alarm by adjusting preset rules, satisfy user's particular demands.
Further, because described data-interface is specifically as follows any interface in USB interface, com interface, DB9 interface, DB25 interface, RS232 interface or the RS485 interface, so, has strong adaptability, alternative many advantages, so just so that the user can as required, adopt the data-interface that is fit to type.
Description of drawings
Fig. 1 is the detailed structure view of gas alarm among the utility model embodiment.
Embodiment
Gas alarm among the utility model embodiment comprises: detection module is used for the gas alarm relevant information that obtains to be used for characterizing a gas concentration by detecting; Controller is connected with detection module, is used for receiver gases alarm relevant information, and based on one pre-conditioned, judges that the gas alarm relevant information is whether satisfied one pre-conditioned, satisfies when pre-conditioned in the gas alarm relevant information, generates an alarm command; Alarm unit is connected with controller, is used for receiving and carrying out alarm command, output alarm signal; Data-interface is connected with controller, and by data-interface, gas alarm can be connected to a terminal device.Data-interface is that gas alarm arranges a data-interface, it is inner that this data-interface can be arranged on described gas alarm, it is outside that described gas alarm perhaps also can be set, link to each other with gas alarm, so that terminal device can obtain by data-interface the testing result of gas alarm, 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 data-interface 104.Data-interface 104 among Fig. 1 is to be arranged on gas alarm inside to describe, and this data-interface 104 can also be arranged at the gas alarm outside, can link to each other by serial communication module with gas alarm.Gas alarm can also comprise vent fan 105 and display screen 106.Better, the gas alarm among the utility model embodiment can be carbon monoxide alarm.Gas alarm also can be the flammable and/or toxic air alarm devices such as the natural gas reports to the police machine, biogas alarm, alkanes gas alarm, sulfuretted hydrogen alarm, hydrogen phosphide alarm in another embodiment of the present utility model, and the utility model is not restricted.
Gas 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 gas.Gas alarm is classified by employed sensor, generally be divided into semi-conductor gas alarm, electrochemical gas alarm, infrared gas detection instrument etc., from measuring sensitivity, precision, stability, the interference of anti-intersection gas, what performance was best is the infrared gas detection instrument, but relatively more expensive, be fit to laboratory or industrial application, civilian semi-conductor gas alarm and the electrochemical gas alarm of being generally.
For example, the semi-conductor gas alarm adopts the semi-conductor type gas sensor 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 is subject to easily 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 electrochemical gas alarm adopts the zero-power electrochemical gas 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 gas 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 gas concentration table, portable gas alarm etc.The electrochemical gas 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 gas sensor is generally 3 years, also has 5 years, and longer reach more than 8 years.
For example can select battery powered electrochemical gas 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, pre-conditionedly can be: the corresponding concentration parameter value of gas alarm relevant information be not less than the preset concentration parameter value.Concrete, can preset a preset concentration parameter value, when the corresponding concentration parameter value of gas alarm relevant information that detects when detection module 101 is not less than the preset concentration parameter value, illustrate that the gas in the surrounding environment exceeds standard, then can to determine that the gas alarm relevant information satisfies pre-conditioned for controller 102, can generate 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.
Certainly, among another embodiment of the present utility model, alarm module 103 also can be glory bulb, electromagnetic shaker or its combination, and the utility model is not restricted.
Data-interface 104 is connected with controller 102, can be used for by data-interface 104, and gas alarm can be connected to terminal device by data-interface 104.
Data-interface 104 specifically can be used for when gas alarm is connected to terminal device, by data-interface 104 relevant information of gas alarm is uploaded to terminal device.
For example, data-interface 104 can be uploaded to terminal device with the gas alarm relevant information that detection module 101 detects, and perhaps the different information relevant from gas alarm such as the model of gas alarm, positional information can be uploaded to terminal device.Be that the relevant information of gas alarm can be the on-site positional information of concentration parameter, gas alarm of CO gas and/or the attribute information of gas alarm etc. the information relevant with gas alarm.
Data-interface 104 specifically can be used for when described gas alarm is connected to data-interface 104, by described data-interface 104, according to a preset rules gas alarm relevant information is uploaded to terminal device, wherein, preset rules is: the default number of times of uploading; Or default uploading the cycle.
For example, for fear of packet loss, it is inferior that the information that data-interface 104 can be correlated with gas alarm is uploaded preset times to terminal device, wherein the interval between per twice can be the first duration, preset times can preset, and can the regulation preset times be three times for example, then can upload three times, uploading the response message of no matter whether receiving after three times that terminal device is replied, all stop to upload; Perhaps, after data-interface 104 information that gas alarm is relevant is uploaded, if receive the response message of the affirmation reception that terminal device is replied, then stop to upload, better, when receiving the response message of first affirmation reception that terminal device is replied, can stop to upload, if do not receive the response message of the affirmation reception that terminal device is replied, then proceed to upload; Perhaps, can be after stopping of receiving that terminal device sends send instruction, carry out and stop to send instruction, stop to send the information relevant with gas alarm to terminal device; Perhaps can also stipulate other the mode of uploading.
Or for fear of packet loss, data-interface 104 can be uploaded to terminal device testing result with predetermined period.For example can set one first duration, in the first duration, can with predetermined period to the terminal device uploading data, when surpassing the first duration, then can stop to upload.
Data-interface 104 testing result of detection module 101 is uploaded complete after, data-interface 104 can enter off-state automatically, disconnects with terminal device, can reach like this function of power saving.If data-interface 104 enters off-state after complete in that testing result is uploaded, then when needing uploading data, data-interface 104 can enter connection status again automatically next time.For example, data-interface 104 can be in real time, regularly or when being triggered detection module 101 is monitored, and to have determined whether testing result waiting for transmission, when defining testing result waiting for transmission, data-interface 104 can enter connection status.
Among the utility model embodiment, data-interface 104 can have the function that communicates with terminal device, the communication mode of data-interface 104 can serial data interface, namely adopt the communication mode of the expansion interface of serial communication mode, perhaps the communication mode of data-interface 104 can parallel data grabbing card, namely adopts the communication mode of the expansion interface of parallel communication fashion.Be that data-interface 104 can be that serial data interface also can be parallel data grabbing card.
Data-interface 104 adopts serial data interface, for example be USB(Universal Serial BUS USB (universal serial bus)) interface, USB interface adopts 4 pins (the USB3.0 standard is 9 pins) plug as standard plug, adopt the daisy chain form to couple together gas alarm and terminal device, 127 terminal devices can be connected at most, and bandwidth can not be lost.USB interface can also connect by special USB the machine line and realize the two-shipper interconnection, and can be by the Hub(hub) expand more interface.USB can connect mouse, keyboard, printer, scanner, camera, flash disk, MP3 machine, mobile phone, digital camera, portable hard drive, external smooth floppy drive, USB network interface card, nearly all terminal devices such as ADSL Modem, Cable Modem, it is fast, easy to use to adopt USB interface to have transmission speed, support hot plug, connect flexibly, the advantage such as independently-powered, versatility extensively, transplant the good characteristics of performance.
In another embodiment of the present utility model, serial data interface can be com interface (Component Object Model the Component Object Model), DB25 interface (25 needle interface), DB9 interface (9 needle interface), RS232 interface, RS485 interface etc., and the utility model is not restricted.
Data-interface 104 can comprise different status informations, and for example data-interface 104 can comprise connection status and off-state two states information at least.Can only be in the corresponding state of a kind of status information at a moment data-interface 104.For example, connection status corresponding data interface 104 is in and state on terminal device has been connected, this moment, data-interface 104 can be to the terminal device uploading data, off-state corresponding data interface 104 is in the state that has disconnected with terminal device, and this moment, data-interface 104 can't be to the terminal device uploading data.
Data-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 uploaded to terminal device.
Vent fan 105 is connected with controller 102, can be used for after the exhaust instruction that receives self-controller 102, by carrying out the exhaust instruction, so that the gas in the space, gas alarm place is discharged.
After detection module 101 detections obtain the alarm relevant information, can make display screen 106 that the alarm relevant information is shown, check for the user.
Gas alarm among the utility model embodiment comprises: detection module 101 is used for the alarm relevant information that obtains to be used for characterizing a gas concentration by detecting; Controller 102 is connected with detection module, be used for to receive the alarm relevant information, and based on one pre-conditioned, judges that the alarm relevant information is whether satisfied one pre-conditioned, satisfies when pre-conditioned in the alarm relevant information, generates an alarm command; Alarm unit 103 is connected with controller 102, is used for receiving and carrying out alarm command, output alarm signal; Data-interface data-interface 104 is connected with controller 102, and by data-interface data-interface 104, gas alarm can be by the equipment of network connection in the network.For gas alarm arranges a data-interface 104, this data-interface 104 can be arranged on gas alarm inside, perhaps also the gas alarm outside can be set, link to each other with gas alarm, so that gas alarm can be uploaded to terminal device with the testing result of detection module 101, be convenient to user's obtaining 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, it is more to expend time in, and 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 is not uploaded, and can determine tentatively that then fault has appearred in this gas alarm, is convenient to carry out localization of fault.
By data-interface 104 gas alarm is connected to a equipment in the network, in needs therefrom can be directly by this equipment during obtaining information, obtain, when needs can directly transmit by this equipment 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, data-interface 104 can be uploaded repeatedly when uploading data, avoids packet loss.When uploading complete and not continuing data to be uploaded, data-interface 104 can disconnect and being connected of equipment, and namely can enter off-state by connection status, can save electric energy.
By the technical scheme among the utility model embodiment, can be achieved as follows technique effect at least:
Because terminal device can obtain by described data-interface the testing result of described gas alarm, be convenient to quick obtaining information, improved the efficient of acquisition of information.
Further, because by described data-interface, can described alarm relevant information be uploaded to terminal device according to a preset rules, so, terminal device can obtain according to preset rules the testing result of gas alarm, can improve reliability, the stability of data transmission.And can change the scope of application of gas alarm by adjusting preset rules, satisfy user's particular demands.
Further, because described data-interface is specifically as follows any interface in USB interface, com interface, DB9 interface, DB25 interface, RS232 interface or the RS485 interface, so, has strong adaptability, alternative many advantages, so just so that the user can as required, adopt the data-interface that is fit to type.
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 (8)
1. a gas alarm is characterized in that, comprising:
Detection module is used for the gas alarm relevant 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 gas alarm relevant information, and pre-conditioned based on one, it is one pre-conditioned to judge that whether described gas alarm relevant information satisfies, and satisfies describedly when pre-conditioned in described gas alarm relevant information, generates an alarm command;
Alarm module is connected with described controller, is used for receiving and carrying out described alarm command, output alarm signal;
Data-interface is connected with described controller, and by described data-interface, described gas alarm can be connected to a terminal device.
2. gas alarm as claimed in claim 1, it is characterized in that, described data-interface specifically is used for when described gas alarm is connected to described terminal device, by described data-interface the relevant information of described gas alarm is uploaded to described terminal device.
3. gas alarm as claimed in claim 2, it is characterized in that, described data-interface specifically is used for when described gas alarm is connected to described data-interface, by described data-interface, according to a preset rules described gas alarm relevant information is uploaded to described terminal device, wherein, described preset rules is: the default number of times of uploading; Or default uploading the cycle.
4. gas alarm as claimed in claim 2, it is characterized in that, described data-interface is used for after stopping of receiving that described terminal device sends sends instruction, by carrying out the described instruction that stops to send, to stop to send the relevant information of described and described gas alarm to described terminal device.
5. gas alarm as claimed in claim 1 is characterized in that, described data-interface is specially USB interface, com interface, DB25 interface, DB9 interface, RS232 interface or RS485 interface.
6. such as the described gas alarm of arbitrary claim among the claim 1-5, it is characterized in that described detection module is specially:
Electrochemical sensor; Or
Half conductive gas sensor; Or
Infrared sensor; Or
Catalytic combustion type gas sensor.
7. such as the described gas alarm of arbitrary claim among the claim 1-5, 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.
8. such as the described gas alarm of arbitrary claim among the claim 1-5, it is characterized in that described gas alarm also comprises:
One display screen is connected with described controller, is used for showing described gas alarm relevant information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400788 CN202795672U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400788 CN202795672U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202795672U true CN202795672U (en) | 2013-03-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400788 Expired - Lifetime CN202795672U (en) | 2012-08-13 | 2012-08-13 | Gas alarm |
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| Country | Link |
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| CN (1) | CN202795672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800591A (en) * | 2017-04-27 | 2018-11-13 | 芜湖美的厨卫电器制造有限公司 | The alarm system and water heater of water heater |
-
2012
- 2012-08-13 CN CN 201220400788 patent/CN202795672U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800591A (en) * | 2017-04-27 | 2018-11-13 | 芜湖美的厨卫电器制造有限公司 | The alarm system and water heater of water heater |
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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. |
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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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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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