CN206272000U - A kind of electric power plug socket - Google Patents
A kind of electric power plug socket Download PDFInfo
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- CN206272000U CN206272000U CN201621273106.XU CN201621273106U CN206272000U CN 206272000 U CN206272000 U CN 206272000U CN 201621273106 U CN201621273106 U CN 201621273106U CN 206272000 U CN206272000 U CN 206272000U
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- power supply
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- housing
- plug socket
- detection
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Abstract
The utility model embodiment provides a kind of electric power plug socket, the poor technical problem of the property taken into account when being used to solve present in prior art using socket.The electric power plug socket includes shell, electric supply installation and detection means, and wherein shell includes being formed first housing and the second housing of accommodation space.Electric supply installation, the inner side in the first housing, including power connector end and N number of power supply part, each power supply part in N number of power supply part at least include live prong and zero line pin, and M groups jack corresponding with the N number of power supply part is provided with the second housing；Wherein, M, N are positive integer, and M is less than N.Detection means, in the accommodation space, and is fixedly linked with the first power supply part in N number of power supply part, and detection means includes output block and the detection part for detecting the concentration of at least one gas in air to be detected.
Description
Technical field
The utility model is related to field of electronics, more particularly to a kind of electric power plug socket.
Background technology
With continuing to develop for science and technology, the continuous progress of society, the use of energy charcoal development also since most
Be the natural gas that present every household is all essential, but live it is more and more convenient while, safety problem also one after another and
Extremely.
Such as, in cold winter, because outdoor temperature is extremely low, people are under normal circumstances in order to warm oneself or maintaining indoor
Temperature, often close door and window, in this case, if it is improper to natural gas motorcar or forget close natural gas, hold very much
Natural gas leakage easily is caused, potential safety hazard is caused, or, the south of heating be not provided, many old men like logical due to custom
Cross burn wood or carbon is warmed oneself, because the burning of any energy is not thoroughly all there may be toxic gas, so same
There is also potential safety hazard.
For above-mentioned situation, alarm typically is installed in the place with potential safety hazard at present, alarm can be real-time
The content of the fuel gas or toxic gas in the regional environment is detected, if determine to exist harm according to testing result, i.e.,
Corresponding alarm can be made.But common alarm is required for 220 volts of AC powers in the course of the work, is using power supply
During socket is powered to alarm, it needs to take a socket position, although so ensure that the normal of alarm
Work but the utilization rate of socket in plate can be reduced simultaneously.Or, some users may in order to ensure the utilization rate of socket, and
Alarm is pulled out, although so meeting the use of socket but user can be increased by the dangerous probability of toxic gas.
In summary, in the prior art using socket when the property taken into account it is poor.
Utility model content
The utility model embodiment provides a kind of electric power plug socket, solves and exists in the prior art when using socket simultaneously
The poor technical problem of the property taken into account.
A kind of electric power plug socket, including：
Shell, including the first housing and the second housing, first housing and the second shell body can form accommodating sky
Between；Electric supply installation, the inner side in first housing, the electric supply installation includes power connector end and N number of power supply part, institute
Each power supply part stated in N number of power supply part at least includes live prong and zero line pin, is provided with second housing
M groups jack corresponding with the N number of power supply part；Wherein, M, N are positive integer, and M is less than N；Detection means, positioned at described
In accommodation space, and it is fixedly linked with the first power supply part in N number of power supply part, the detection means includes test section
Part and output block, the detection part are used to detect the concentration of at least one gas in air to be detected；Wherein, when described
Electric power plug socket accesses the in power supply, and described at least one gas of detection part detection by the power connector end
When the concentration of one gas reaches the default density, the output block can export prompt message.
Optionally, it is connected in parallel by electric wire between adjacent two power supply part in N number of power supply part.
Optionally, the detection means also includes accessory power supply, and the accessory power supply is used to be in the electric supply installation
It is that the detection means is powered during off-position.
Optionally, the detection means also includes LED display, and the LED display is used to show the first gas
Existing concentration value.
Optionally, second housing includes at least one detection hole, and at least one detection hole is arranged at described the
Distance is not more than at the position of predeterminable range between the detection part in two housings, the detection part by it is described at least
One detection hole contact outside air.
Optionally, at least one through hole, at least one through hole and the output section are provided with second housing
At least a portion output block of part matches.
Optionally, N number of power supply part also includes earth pin, the earth pin ground connection.
Optionally, the electric power plug socket also includes the switching device being connected with the electric supply installation, and the switching device is used
In the connecting and disconnecting of the power supply for controlling the electric power plug socket.
In the utility model embodiment, there is provided one or more technical schemes, at least have the following technical effect that or excellent
Point：
First, the electric power plug socket provided in the utility model embodiment includes shell, electric supply installation and detection means, its
In, accommodation space can be formed between first housing and the second housing of shell, shell can be used for protection and be located at accommodation space
Interior electric supply installation and detection means.And the supply terminals for passing through electric supply installation can switch on power so that the N of electric supply installation
Individual power supply part can meet the socket use demand of user.In accommodation space and with the first power supply part of electric supply installation
The detection means being fixedly linked, when switching on power, can detect at least one in air to be detected by its detection part
The concentration of gas, and prompt message is exported by output block.By by one of power supply of detection means and electric supply installation
Part is fixedly linked so that in the case where not powering off, detection means can be constantly in working condition to electric power plug socket, to detection
Gas is monitored in real time, and simultaneously, other power supply parts of electric supply installation also ensure that use of the user to socket, from
And solve presence of the prior art due to simultaneously using socket and alarm when the property taken into account it is poor, so as to cause safety
The technical problem of hidden danger, has reached the technique effect for improving security and being user-friendly to.
Second, in the utility model embodiment, due to being that detection means is integrated on power supply part, with power supply part
Live wire and zero line are directly fixedly linked, and will not take the jack of electric power plug socket, so as to improve the utilization of socket in electric power plug socket
Rate, and the potential safety hazard that user exists by random plug detection device is effectively prevent, further increase security.
3rd, because the detection means in the utility model embodiment can also include accessory power supply, the accessory power supply energy
It is enough in when electric supply installation is in off-position as detection means is powered, even if so that there is electric power plug socket and power supply
Suddenly disconnect etc. situation, it is also possible to by accessory power supply for detection means is powered, realize it is continual to air in the first gas
The concentration of body detected, improves security.
4th, the LED display included by detection means can show the existing concentration value of first gas, therefore in inspection
Survey in device detection process, user can in real time understand the concentration value of detection first gas by observing LED display, or even
Can in time be taken safety measures when the concentration value of first gas is higher, so as to avoid the generation of potential safety hazard.
Brief description of the drawings
Fig. 1 is the schematic diagram of electric power plug socket in the utility model embodiment；
Fig. 2 is the side view of electric power plug socket in the utility model embodiment.
Specific embodiment
The utility model embodiment is solved present in prior art due to while making by providing a kind of electric power plug socket
The poor technical problem of the property taken into account during with socket.
Technical scheme in the utility model embodiment is in order to solve the above technical problems, general thought is as follows：
Electric power plug socket in the utility model embodiment includes shell, electric supply installation and detection means.Shell, including can
Form first housing and the second housing of accommodation space.Electric supply installation, the inner side in the first housing, electric supply installation includes power supply
Connection end and N number of power supply part, each power supply part in N number of power supply part at least include live prong and zero line pin, the
M groups jack corresponding with the N number of power supply part is provided with two housings；Wherein, M, N are positive integer, and M is less than N.Detection
Device, in accommodation space, and is fixedly linked with the first power supply part in N number of power supply part, and detection means includes detection
Part and output block, detection part are used to detect the concentration of at least one gas in air to be detected；Wherein, when power supply is inserted
Row is reached pre- by the concentration that power connector end accesses the first gas in power supply, and at least one gas of detection part detection
If during concentration value, output block can export prompt message.Solve presence of the prior art due to while using socket
The property taken into account during with alarm is poor, so as to cause the technical problem of potential safety hazard, has reached raising security and has facilitated user
The technique effect for using.
Electric power plug socket combination accompanying drawing is described in detail below：
Fig. 1 is referred to, the utility model embodiment provides a kind of electric power plug socket, and the electric power plug socket includes shell 10, supplies
Electric installation 20 and detection means 30, wherein, shell 10 includes the first housing 11 and the second housing 12, and the first housing 11 and second
Housing 12 can form accommodation space；Electric supply installation 20, the inner side in the first housing 11, including power connector end and N number of confession
Electric part, for when power supply is accessed by power connector end, power supply being provided to power supply part；Detection means 30, positioned at accommodating
In space, it is fixedly linked with the first power supply part in N number of power supply part, including for detecting at least in air to be detected
The detection part 31 of the concentration of gas is planted, and for exporting the output block 32 of prompt message；Wherein, when electric power plug socket is by electricity
Source connection accesses power supply, and the concentration of the first gas of at least one gas of the detection of detection part 31 reaches the default density
When, output block 32 can export prompt message.
In the utility model embodiment, the material of shell 10 can be heat-resisting, resistant to elevated temperatures insulating materials, such as poly- carbonic acid
Ester material, the equipment that shell 10 can be used in containment vessel, in case it is subject to oxide etch, at the same time it can also avoid people
The potential safety hazard that carries out directly contact and exist with the circuit in equipment in shell 10, improve the security of electricity consumption.
In actual applications, shell 10 can include the first housing 11 and the second housing 12, the first housing 11 and second shell
Accommodation space can be formed between body 12, wherein, the material of the first housing 11 and the second housing 12 can be with difference, such as, first
Housing 11 may can be easier be aoxidized so that be corroded, so the first housing 11 can be used with the earth directly contact
Corrosion-resistant and moistureproof material is made, and due to that can set jack on the second housing 12, the second housing 12 can with
Electric installation directly contact, is easy to produce spark to cause the second housing 12 to burn on the position of contact point, at this moment, the second housing
12 can be made using burning-point material high, so as to avoid the generation of the emergency cases such as fire, further improve electricity consumption
Security；And the shapes and sizes size of shell 10, can set according to the actual requirements, such as, and cuboid, square etc.
Deng not making any limitation in the utility model embodiment.
Electric supply installation 20 in the utility model embodiment may be at the inner side of the first housing 11, i.e. the first housing 11
In the inner surface of accommodation space.Can such as be fixed by screw, electric supply installation 20 is arranged at the first housing by the mode such as gluing
On 11 inner surface.Shell 10 can be provided with connecting hole near the position of power connector end, and the power supply of electric supply installation 20 connects
Connecing end can be connected by the connecting hole with the other end of the electric wire with switch head, and the specification of electric wire can be according to electrical equipment
Demand selected, if family is using high-power more, specification can be selected in the electric wire of more than 1.0mm, for accessing
Power supply.
Optionally, the electric conductor of N number of power supply part can be made using the copper sheet of integral type, and it has caloric value
Less, the advantages of current stability is good and safe, is provided with M group jacks corresponding with N number of power supply part, M, N on the second housing 12
Positive integer is, and M is less than N.
Such as, the live prong and zero line pin of each power supply part can connect conducting strip, and the material of the conducting strip can
To be metal, such as copper, aluminium.
Optionally, still referring to Fig. 1, on the second housing 12 position corresponding with power supply part, it is provided with and power supply
The jack that part matches, such as when a power supply part includes live prong and zero line pin, with it on the second housing 12
Corresponding one group of jack includes two holes, and a hole corresponds to live prong, and another hole corresponds to zero line pin, or, second
Can also be set on housing 12 including three jacks in hole, the jack in addition to the above-mentioned live prong of correspondence and zero line pin,
Also one hole can correspond to earth pin.When electric supply installation 20 accesses power supply by the switch head being connected with power connector end
When, user can use jack according to the structure choice of external plug, realize conducting, so as to provide power supply to extraneous.
Detection means 30 in the utility model embodiment, in accommodation space, can be subject to protecting for shell 10, with
Anti- to be subject to extraneous oxidation and corrosion, the detection means can be detector, flammable gas alarm etc..Can be by weldering
The mode such as connect to be connected the live wire of detection means 30 with the live prong of the first power supply part, by the zero line of detection means 30 and
The zero line pin of one power supply part is connected, you can provide power supply to detection means 30 with by the first power supply part, to ensure
Detection means 30 can be constantly in working condition.
In actual applications, detection means 30 can also include detection part 31 and output block 32, wherein, detection part
31 concentration for being used to detect at least one gas in air to be detected, when detection means 30 is flammable gas alarm, inspection
It can be detector to survey part 31, and output block 32 can be controller, and detector can be used for detecting the combustible gas in air
The concentration of body, it is possible to which the concentration is converted into electric signal, by connected modes such as cables, by the electric signal transmission to controller
In, the concentration value of gas is higher, and electric signal is also stronger, when gas concentration value is set up to or over flammable gas alarm
Alarm point when, controller can send alarm signal, remind user.
Such as, in cold winter, when interior is warmed oneself by coal, may not filled due to burning
Point, atmospheric CO (its chemical formula is CO) poisonous, with flammable, colorless and odorless can be produced, and CO can be by exhaling
Desorption system enters blood of human body, and is easily combined with the hemoglobin in blood, so as to cause body tissue bad because of anoxic
Extremely, the life of people may be then jeopardized when serious；Or, interior using natural gas when, it is more likely that because misoperation or
Neglect so as to cause the leakage of natural gas, and the main component of natural gas is fuel gas methane, is reached in methane is mixed into air
To certain concentration, one meets naked light easily triggers blast, the lives and properties of user are threatened etc..
Therefore, when being in above-mentioned environment, the detection part 31 of the detection means 30 in the utility model embodiment can
To carry out Concentration Testing to CO, methane or other gases for jeopardizing people's safety in real time, and concentration value in these gases reaches
Default concentration value is arrived, the default density can be the critical value that pernicious gas constitutes infringement to human body, if for example, this faces
Dividing value is 100ppm, then the preset concentration for setting can be less than being equal to the critical value, being alarmed in advance, it is to avoid to
Family damages.If the corresponding the default densities of CO for for example setting are 90ppm, if the concentration value of the CO in detection present air
Equal to 90ppm, then can be by output block 32, such as buzzer, warning lamp timely make safety instruction to user, from
And reached the technique effect of the property and life security that improve user.
In actual applications, detection means 30 can also include other fault detection components, such as survey meter, Ke Yiyong
The failure of all parts in electric power plug socket is investigated, such as line short, breaking problem, or detection means 30 breaks down
And the problems such as there is function, with point out user can timing detection means 30 is safeguarded, it is to avoid due to detection means
30 itself break down and the generation of the situation such as output error prompt message, and the safety to user constitutes a threat to.
Optionally, can be connected in parallel by electric wire between adjacent two power supply part in N number of power supply part, on the one hand, N number of
Power supply part can be used for multiple plugs, to meet the need for electricity of user；On the other hand, between two neighboring power supply part
Can be connected in parallel by electric wire, i.e. even if each power supply part in N number of power supply part can be independently operated, N number of power supply
One of power supply part in part or multiple power supply parts break down, all without influenceing remaining power supply part just
Often work, improves the availability of power supply part.
In the utility model embodiment, detection means 30 can also include accessory power supply, and accessory power supply can be common electricity
Pond, or battery, the accessory power supply are used for when electric supply installation 20 is in off-position, are that detection means 30 is powered.
Such as, in the peak period of electricity consumption, such as hot summer, cold winter, supply station, may due to power supply pressure
Take the prescribe a time limit measure of power failure of section to tackle such case, or timing the emergency case such as line maintenance, at this moment, power supply dress
Putting 20 may be for detection means 30 provides power supply.To ensure that detection means 30 remains working condition, in electric supply installation
20 when cannot provide power supply, be powered to detection means 30 by accessory power supply, and the accessory power supply can be replaceable common batteries,
Can also be battery etc., specially not make any limitation in which kind of accessory power supply the utility model embodiment, so,
May insure that detection means 30 is continuously in working condition, it is to avoid because detection means 30 cannot obtain electricity under powering-off state
Source supplies and causes the situation of potential safety hazard, improves security.
Optionally, still referring to Fig. 1, detection means 30 also includes LED display, and the LED display is used to show first
The existing concentration value of gas, such as, the first gas of detection are CO, if existing concentration value is 20ppm, the concentration value will pass through
LED display is shown that user can in real time know the concentration value of the CO in present air by LED display, when CO's
Concentration value is higher but when also not triggering alarm, user can in advance take corresponding measure, reduces what CO was damaged to human body
Possibility.
Optionally, at least one detection hole of the second housing 12 can be arranged in the second housing 12 with detection part 31 it
Between distance be not more than at the position of predeterminable range, the predeterminable range can be related to the sensitivity of detection part 31, detection part
31 can contact outside air by least one detection hole.
Such as, can be not more than in the distance between second housing 12 and detection part 31 of the shell 10 of electric power plug socket pre-
If at the position of distance, one or more exploration hole is set, such as in the second shell that the distance near detection part 31 is 2 millimeters
A little pores are set on body 12, or can also be according to detection part 31, such as sensitivity of inductor or sensor is set
Exploration hole, detection part 31 can be contacted by these exploration holes with the external world, so that the detected gas in detecting outside air,
Such as concentration value of CO, CH4 gas, when concentration value reaches preset value, to trigger output block 32, such as buzzer or
Warning lamp etc., exports the prompt messages such as ear-piercing buzzer or flashing red light, timely to remind user.
In actual applications, the side view that Fig. 2 is electric power plug socket is referred to, is also provided with least on the second housing 12
One through hole, at least one through hole matches with least a portion output block of output block 32.Such as, output block is worked as
32 be warning lamp when, a part of of the warning lamp can be placed in outside the shell 10 of electric power plug socket by the through hole, work as detection part
When the concentration value of 31 gases for detecting has reached alarming value, warning lamp sends flicker, is easy to user timely to find and tackle
Potential safety hazard.
Or, a windowpane matched with through hole can be set on the position of the through hole of the second housing 12, in warning
When lamp sends flicker, warning early warning can be seen through the windowpane.
Optionally, the earth pin ground connection of N number of power supply part, for protection circuit, due in actual applications, patching outward
Head can include live wire and zero line, it is also possible to which, including live wire, zero line and ground wire, earth pin can set according to actual conditions
It is fixed.
Optionally, electric power plug socket can also include the switching device being connected with electric supply installation 20, and the switching device is used to control
The connecting and disconnecting of the power supply of electric power plug socket processed.Such as, interior is unclosed and in the relatively low feelings of the danger coefficients such as ventilation condition
During condition, it is possible to use accessory power supply is powered for detection means 30, at this moment, can close electric power plug socket to save by switching device
Electric energy, the effect of electric energy is saved so as to reach when needing to use by the power supply of switching device power-on insert row again.
Below, the utility model embodiment will be illustrated by way of example electric power plug socket application scenarios in actual applications.
First, the position of CO, such as kitchen or stove are easily produced indoors, and institute in the utility model embodiment is set
The electric power plug socket of offer, electric supply installation 20 and detection means 30, the power supply are provided with because electric power plug socket inside is set simultaneously
Insert row is being used to be detected the concentration of the CO in air when user powers, and LED display
Also the existing concentration value of CO is shown in real time.
Then, when electric power plug socket by supply terminals access power supply, detection means 30 because with electric supply installation 20 in
Power supply part is joined directly together energization, in running order, and by detecting that the concentration of the CO in the air to external world of hole is examined
Survey, when the concentration value of the CO of detection reaches setting value, such as 100ppm, then detection means 30 can be according to the CO concentration values of detection
Height be converted into corresponding electric signal, buzzer can be sent to by the cable that connects or other connectors, to trigger
Buzzer sends ear-piercing buzzer, points out the concentration value of user CO to constitute a threat to.
The utility model embodiment provide electric power plug socket can for user provides power supply while to danger such as CO
Gas is detected, it is to avoid the uncomfortable other security threat for setting alarm and constituting of user, meets the custom of user, is carried
Consumer's Experience high.
The above, all embodiments of the above are only used to the detailed introduction carried out to the technical scheme of the application, and
The explanation of above example is only only intended to help and understands method of the present utility model and its core concept, should not be construed
To restriction of the present utility model.Those skilled in the art, can be easily in the technical scope that the utility model is disclosed
The change expected or replacement, should all cover within protection domain of the present utility model.
Obviously, those skilled in the art can carry out various changing and deformation without deviating from this practicality to the utility model
New spirit and scope.So, if it is of the present utility model these modification and modification belong to the utility model claim and
Within its equivalent technical scope, then the utility model is also intended to comprising these changes and modification.
Claims (8)
1. a kind of electric power plug socket, it is characterised in that including：
Shell, including the first housing and the second housing, first housing and the second shell body can form accommodation space；
Electric supply installation, the inner side in first housing, the electric supply installation includes power connector end and N number of power supply part,
Each power supply part in N number of power supply part at least includes live prong and zero line pin, is set on second housing
There is M groups jack corresponding with the N number of power supply part；Wherein, M, N are positive integer, and M is less than N；
Detection means, in the accommodation space, and is fixedly linked with the first power supply part in N number of power supply part,
The detection means includes detection part and output block, and the detection part is used to detect at least one in air to be detected
The concentration of gas；
Wherein, when the electric power plug socket by the power connector end access power supply, and the detection part detection it is described extremely
When the concentration of the first gas in a kind of few gas reaches the default density, the output block can export prompt message.
2. electric power plug socket as claimed in claim 1, it is characterised in that in N number of power supply part adjacent two power supply part it
Between be connected in parallel by electric wire.
3. electric power plug socket as claimed in claim 2, it is characterised in that the detection means also includes accessory power supply, described auxiliary
Power supply is helped for being that the detection means is powered when the electric supply installation is in off-position.
4. electric power plug socket as claimed in claim 1, it is characterised in that the detection means also includes LED display, described
LED display is used to show the existing concentration value of the first gas.
5. electric power plug socket as claimed in claim 4, it is characterised in that second housing includes at least one detection hole, institute
State the position that at least one detection hole is arranged in second housing distance no more than predeterminable range between the detection part
Place is put, the detection part contacts outside air by described at least one detection hole.
6. electric power plug socket as claimed in claim 5, it is characterised in that be provided with least one through hole on second housing,
At least one through hole matches with least a portion output block of the output block.
7. electric power plug socket as claimed in claim 6, it is characterised in that N number of power supply part also includes earth pin, described
Earth pin is grounded.
8. electric power plug socket as claimed in claim 7, it is characterised in that the electric power plug socket also includes and the electric supply installation phase
Switching device even, the switching device is used for the connecting and disconnecting of the power supply for controlling the electric power plug socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273106.XU CN206272000U (en) | 2016-11-24 | 2016-11-24 | A kind of electric power plug socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273106.XU CN206272000U (en) | 2016-11-24 | 2016-11-24 | A kind of electric power plug socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206272000U true CN206272000U (en) | 2017-06-20 |
Family
ID=59040745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621273106.XU Active CN206272000U (en) | 2016-11-24 | 2016-11-24 | A kind of electric power plug socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206272000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406265A (en) * | 2015-12-04 | 2016-03-16 | 罗古 | Multifunctional modularized socket |
| WO2019033488A1 (en) * | 2017-08-17 | 2019-02-21 | 郑正为 | Extended intelligent sensing socket that facilitates multi-angle plug of electronic cable |
-
2016
- 2016-11-24 CN CN201621273106.XU patent/CN206272000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406265A (en) * | 2015-12-04 | 2016-03-16 | 罗古 | Multifunctional modularized socket |
| WO2019033488A1 (en) * | 2017-08-17 | 2019-02-21 | 郑正为 | Extended intelligent sensing socket that facilitates multi-angle plug of electronic cable |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220601 Address after: 102400 No. 18, Jianshe Road, Kaixuan street, Liangxiang, Fangshan District, Beijing -d17827 (cluster registration) Patentee after: BEIJING JINDIAN CHUANGZHI TECHNOLOGY CO.,LTD. Address before: Room CDE, 22 / F, block a, Linda Building, 8 Dongtucheng Road, Chaoyang District, Beijing 100029 Patentee before: BEIJING GOLDENET IOT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |