CN205879256U - Gas table electrification sampling device - Google Patents
Gas table electrification sampling device Download PDFInfo
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- CN205879256U CN205879256U CN201620700605.6U CN201620700605U CN205879256U CN 205879256 U CN205879256 U CN 205879256U CN 201620700605 U CN201620700605 U CN 201620700605U CN 205879256 U CN205879256 U CN 205879256U
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- signal
- flow meter
- gas meter
- sampling
- sampling element
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Abstract
The utility model provides a gas table inductance sampling device, the gas table is including the counter, the counter includes frame and counter wheel, counter wheel installs in the frame, gas table inductance sampling device includes the signalling subassembly, sampling element and treater, sampling element installs on counter wheel, the signalling unit mount is in the frame, a signal for gathering sampling element produces, signalling subassembly signal connection is in the treater, the signal that sampling element that the treater is used for obtaining according to the collection produced is counted. Simple structure is reasonable for this sampling device, and manufacturing is convenient, and the manufacturing is low with installation cost, and use cost is low, and simultaneously, this gas table inductance sampling device receives the environmental impact in the external world little, and job stabilization is reliable, has improved the accuracy of measurement, is fit for using widely on a large scale.
Description
Technical field
This utility model relates to gas meter, flow meter field of measuring techniques, in particular to a kind of gas meter, flow meter electrification sampling apparatus.
Background technology
The at present gas meter, flow meter metering principle using tongue tube counting more, the magnetic field i.e. using magnet steel to produce make tongue tube inhale and
Realize counting.Counter wheel is provided with magnet steel, when the magnet steel on counter wheel forwards the position close to tongue tube to, at magnet steel
Under effect, two sheet metals of tongue tube inhale and, remember a number, when counter wheel turns around, when magnet steel is again close to tongue tube again
Remember second number, thus realize the metering of combustion gas.
Inventor finds under study for action, and traditional gas meter, flow meter measurement structure the most at least has the disadvantage that；
Traditional gas meter, flow meter metering method, relies on magnetic force to carry out technology, and this metering method is easily subject to external magnetic field
Interference, affects count results, and then have impact on the accuracy of technology.
Utility model content
The purpose of this utility model is to provide a kind of gas meter, flow meter electrification sampling apparatus, and it is simple and reasonable, work side
Formula is safe and reliable, is not easily susceptible to the impact of extraneous factor, and metric results accurately and reliably, improves the accuracy of metering.
Embodiment of the present utility model is achieved in that
Based on above-mentioned purpose, this utility model provides a kind of gas meter, flow meter electrification sampling apparatus, and described gas meter, flow meter includes meter
Number device, described enumerator includes that frame and counter wheel, described counter wheel are installed in described frame, and described gas meter, flow meter inductance is adopted
Sampling device includes that signal transmission component, sampling element and processor, described sampling element are installed on described counter wheel, described
Signal transmission component is installed in described frame, for gathering the signal that described sampling element produces, described signal transmission component
Signal is connected to described processor, and described processor is based on the signal produced according to the described sampling element collected is carried out
Number.
In this utility model preferred embodiment, described signal transmission component includes for gathering described sampling element product
The raw probe of signal, signal emission module and control module, wherein, described signal emission module electrically connects described probe,
Described probe electrically connects described control module, and described control module electrically connects described processor.
In this utility model preferred embodiment, described signal transmission component also includes signal amplifier and for inciting somebody to action
The metering signal of described signal transmission component is converted into the driving output circuit of square-wave signal, and described control module electrically connects institute
Stating signal amplifier, described signal amplifier electrically connects described driving output circuit, and the electrical connection of described driving output circuit is described
Processor.
In this utility model preferred embodiment, described control module includes the analysis mould for guaranteeing signal reliability
Block, described analysis module electrically connects described probe.
In this utility model preferred embodiment, described control module also includes the benchmark electricity for providing reference voltage
Die block, for providing the agitator of stable operating frequency.
In this utility model preferred embodiment, described counter wheel includes two wheel faces being oppositely arranged, one of them
Being provided with groove on wheel face, described sampling element is installed in described groove, and sets between described sampling element and described groove
Being equipped with elastic wall, the axis of described probe is perpendicular to described wheel face, and the axis of described probe is positioned at the rotation of described sampling element
On path.
In this utility model preferred embodiment, described sampling element is coaxially disposed with described probe.
In this utility model preferred embodiment, the signal transmitting terminal of described signal emission module is perpendicular to described wheel
Face, described signal transmitting terminal is positioned on the rotation path of described sampling element.
In this utility model preferred embodiment, described gas meter, flow meter inductance sampling apparatus also includes housing, described signal
Emitting module and described processor are installed on described housing, and described housing is provided with the signal for described signal transmission component and wears
The through hole crossed.
In this utility model preferred embodiment, described housing is installed on described frame.
This utility model embodiment provides the benefit that:
In sum, this utility model provides a kind of gas meter, flow meter inductance sampling apparatus, and this sampling apparatus simple in construction is closed
Reason, convenient processing and manufacture, manufacture low with installation cost, use cost is low, and meanwhile, this gas meter, flow meter inductance sampling apparatus is by the external world
Environmental effect is little, stable and reliable in work, improves the accuracy of metering, is suitable for large range promotion use.Specific as follows:
This gas meter, flow meter includes enumerator, and enumerator is the structure of the amount of gas flowing in metering gas table, and enumerator includes
Having counter wheel, during gas uses, the flowing of gas can drive counter wheel to rotate, thus measures.Counter wheel is pacified
Being contained in frame, counter wheel rotates in frame, and counter wheel is provided with sampling element, and frame is provided with signal transmitting group
Part, signal transmission component launches signal towards counter wheel, in counter wheel rotation process, the signal meeting that signal transmission component is launched
Falling on sampling element, the signaling reflex through sampling element returns to signal transmission component, signal transmission component signal junction
Reason device, the signal reflected back is delivered to processor, through the function of processor, it is achieved counting.Processor can measure
The signal that signal transmission component is launched, through the number of times of sampling element, is then calculated turning of counter wheel by the frequency of signal
Dynamic speed and the rotation number of turns, it is achieved thereby that machinery metering and the conversion of electronic measurement.In this metering process, whole device is subject to
Little to external influence factor, metering accuracy is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic diagram of this utility model embodiment gas meter, flow meter inductance sampling apparatus；
Fig. 2 is the schematic diagram of this utility model embodiment counter wheel；
Fig. 3 is the sectional view of this utility model embodiment counter wheel.
In figure:
Counter wheel 100, groove 101, elastic layer 102,
Signal transmission component 200, probe 201, signal emission module 202, control module 203, signal amplifier 204, drives
Dynamic output circuit 205, reference voltage module 206, analysis module 207, agitator 208,
Sampling element 300,
Processor 400.
Detailed description of the invention
The at present gas meter, flow meter metering principle using tongue tube counting more, the magnetic field i.e. using magnet steel to produce make tongue tube inhale and
Realize counting.Counter wheel is provided with magnet steel, when the magnet steel on counter wheel forwards the position close to tongue tube to, at magnet steel
Under effect, two sheet metals of tongue tube inhale and, remember a number, when counter wheel turns around, when magnet steel is again close to tongue tube again
Remember second number, thus realize the metering of combustion gas.This metering method is easily subject to the interference of external magnetic field, impact counting knot
Really, and then have impact on the accuracy of technology.
In consideration of it, this utility model designer devises a kind of gas meter, flow meter inductance sampling apparatus, this sampling apparatus structure letter
Single reasonable, by the process of signal is measured, it is achieved that machinery metering and the conversion of electronic measurement, in work process not
It is vulnerable to the impact of extraneous factor, does not interferes with the accuracy of its work, safe and reliable.
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that term " level ", " " center ", "left", "right", " interior ",
Orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product
The orientation usually put during use or position relationship, be for only for ease of description this utility model and simplify description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.
Additionally, " term such as level is not offered as requiring parts abswolute level or pendency, but can be slightly tilted.Such as " water
Flat " only refer to for its direction " vertically " relatively more level, it is not that this structure of expression must be perfectly level, but can
To be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
Embodiment
Referring to Fig. 1, the arrow in Fig. 1 represents the direction of transfer of signal, the gas meter, flow meter that this utility model embodiment provides
Inductance sampling apparatus, the metering of the gas during gas meter, flow meter uses, gas meter, flow meter includes that enumerator, enumerator include counting
Wheel 100 and frame, counter wheel 100 is installed in frame, and gas meter, flow meter in the course of the work, drives counter wheel by the flowing of gas
100 rotate in frame, it is achieved the output of numerical value, it is simple to metering.The inductance sampling apparatus that the present embodiment provides, sends out including signal
Penetrate assembly 200, sampling element 300, processor 400 and housing.
Sampling element 300 is arranged on counter wheel 100, sampling element 300 and counter wheel 100 synchronous axial system, and signal is launched
The signal that assembly 200 sends is delivered on sampling element 300, is sampled element 300 and blocks, and causes the change of signal, sampling
The signaling reflex of change is returned signal transmission component 200 by element 300, and signal transmission component 200 electrically connects with processor 400, place
The signal being transmitted back to is processed by reason device 400, can be calculated the rotation speed of counter wheel 100 by the signal frequency of this signal
Degree and the rotation number of turns, and then achieve metering, it is achieved that the conversion of electronic measurement it is metered into from machinery.This metering method is difficult to
Being affected by external environment, the process of metering is simple and reliable, and accuracy is high.
Counter wheel 100 is discoid, and the rotating shaft of counter wheel 100 is its central shaft, i.e. the rotating shaft of counter wheel 100 is crossed wherein
The heart, the rotation of counter wheel 100 is convenient, slow-roll stabilization, and is easy to the installation of counter wheel 100.During gas meter, flow meter work, counter wheel 100
Central shaft be horizontally disposed with, counter wheel 100 includes two wheel faces being oppositely arranged, for revolver face and right wheel face.During actual installation,
Sampling element 300 is installed on the wheel face of counter wheel 100, can be on any one wheel face, so be easy to sampling element 300
Install, simultaneously, it is simple to the installation of signal transmission component 200, it is simple to signal is delivered on sampling element 300.Certainly, sampling element
The position of 300 needs certain requirement, is delivered on sampling element 300 for the ease of signal, is preferably arranged to, sampling element
The 300 outer wheel faces being positioned at counter wheel 100, i.e. counter wheel 100 are that, when other digit wheel is in transmission connection, digit wheel is positioned at
The side of one wheel face of counter wheel 100, another wheel face of counter wheel 100 does not connect digit wheel, does not connect the wheel of digit wheel
Face is outer wheel face, after sampling element 300 is installed, it is simple to install the position of signal transmission component 200, signal transmission component 200
The signal gone out is easy to be delivered on sampling element 300.
Refer to Fig. 2, for the ease of the installation of sampling element 300, be preferably arranged to, in one of them of counter wheel 100
Arranging groove 101 on wheel face, the on-demand setting of planform of groove 101, can be rectangular channel, circular trough, accordingly, and sampling unit
Part 300 is set to the element of rectangular-shaped element or toroidal, it is simple to matching use in groove 101, sampling element 300 is pacified
After being loaded in groove 101, the position of sampling element 300 is difficult to variation, and the position installed is accurately reliable, in use,
The signal that signal transmission component 200 sends can be received accurately, it is simple to the transmission of signal.The position peace of sampling element 300
After dress, need to further ensure that the installation site of signal transmission component 200, signal transmission component 200 are installed on frame, frame and
The position of counter wheel 100 is certain, then when installing signal transmission component 200, it is ensured that signal transmission component 200 and the position of frame
Certain, and then ensure that counter wheel 100 is corresponding with the position of signal transmission component 200.
Referring to Fig. 3, further, be provided with elastic layer 102 on the inwall of groove 101, elastic layer 102 has one
Fixed elastic force effect, after sampling element 300 is arranged on groove 101, sampling element 300 extruded elastomeric layer 102 so that elastic layer
102 there is certain deformation, and fixing of sampling element 300 is more firm, and elastic layer 102 is soft, is difficult to scratch sampling first
Part 300, the use of sampling element 300 is more safe and reliable.
Adding man-hour actual, can install the position of signal transmission component 200 in the place of presetting in frame, so, inductance is adopted
The compact conformation of sampling device, it is simple to install, after installation, the positional accuracy of signal transmission component 200 and counter wheel 100 is high, makes
Used time is more accurate.Being preferably arranged to, arrange installing hole in frame, for passing for screw, i.e. signal transmission component 200 leads to
Crossing that screw and frame are fixing to be connected, the mode being spirally connected is simple and reliable, it is simple to installation and removal, changes and facilitates.Signal transmission component
During 200 installation, depressed part or protuberance can be set in frame, for determining the installation site of signal transmission component 200,
On depressed part and protuberance or be arranged around installing hole, after installation, the accuracy of position is higher.
In the course of the work, sampling element 300 is along with counter wheel 100 synchronous axial system, and therefore, sampling element 300 has circle
The movement locus of shape, it is ensured that the signal that signal transmission component 200 sends, can on the movement locus of sampling element 300
Enough ensure that sampling element 300 effectively collects the signal that signal transmission component 200 sends, it is achieved the reception of signal and feedback.
Being preferably arranged to, sampling element 300 is provided in round signal that shape, sampling element 300 and signal transmission component 200 send and adopts
Sample element 300 is coaxial.The collection of signal is more accurate, and the transmission of signal is more accurate.
Signal transmission component 200 is used for launching signal, and signal transmission component 200 includes producing for gathering sampling element 300
The raw probe 201 of signal, signal emission module 202, control module 203, signal amplifier 204 and driving output circuit
205。
Signal emission module 202 is preferably attached in frame, and signal emission module 202 transmits signals on counter wheel 100,
When real work, the invariant position of signal emission module 202, the rotation that counter wheel 100 is the most stable, counter wheel
100 when rotating, and the position that the signal that signal emission module 202 sends falls on counter wheel 100 constantly changes.Meter
Sampling element 300 on number wheel 100 is arranged on its wheel face, and the generation end of signal emission module 202 is perpendicular to wheel face, and signal is sent out
The movement locus penetrating the signal that module 202 sends is straight line, and this straight line is perpendicular to wheel face.The letter that signal emission module 202 sends
Number on the movement locus of sampling element 300, signal emission module 202 sends signal, when counter wheel 100 is when rotating, and sampling
Element 300 synchronous axial system, the signal that can send through signal emission module 202 in sampling element 300 rotation process, and then should
Signal blocker, causes the change of signal, the signaling reflex that sampling element 300 just changes to return the probe of signal transmission component 200
201, the signal of sampling element 300 reflection is identified by probe 201, then this signal is passed to control module 203, controls
Module 203 electrically connects processor 400, and last signal passes to processor 400, processes.Probe 201 is preferably arranged to and adopts
Sample element 300 is coaxially disposed, it is simple to gather the signal that sampling element 300 fires back.
In signal transduction process, the strong and weak processing speed easily affecting signal of signal and process accuracy, therefore, this is real
Executing in the preferred version of example, signal transmission component 200 also includes that signal amplifier 204, signal amplifier 204 electrical connection control mould
Block 203, is amplified the signal of the output of control module 203, increases the intensity of signal, it is simple to processor 400 processes.
Further, output circuit 205 is driven the metering signal of signal emission module 202 can be passed through stable rectangle
Ripple signal exports to processor 400, and the driving force of enhancing signal and capacity of resisting disturbance, it is ensured that the stability of output signal and
Reliability.
Control module 203 includes analyzing module 207, reference voltage module 206 and agitator 208.
When control module 203 carries out signal transmission, need signal is judged, it is ensured that the reliability of signal, therefore, control
Molding block 203 includes analyzing module 207, analyzes module 207 and electrically connects probe 201, and it is anti-that probe 201 receives sampling element 300
By analyzing the function of module 207 after the signal being emitted back towards, the signal fired back is compared with reference value, it is judged that
Whether the signal reflected meets requirement, it is ensured that the reliability of signal.Concrete, analysis module is comparator, is used for judging
Whether the signal intensity that controller collection comes meets requirement, it is ensured that the reliability of signal, comparator is prior art, the present embodiment
In for its mechanism is improved, in order to avoid narration repeat burden, be not described in detail.
Reference voltage module 206 is for providing reference voltage to control module 203, and agitator 208 is for control module
203 provide stable work efficiency.
Housing is to install signal transmission component 200 and the structure of processor 400, and the probe 201 of emitting module and signal are sent out
Penetrate module 202 to be arranged on housing, housing is provided with the through hole that a signal passes, the signal that signal emission module 202 sends
Being delivered on counter wheel 100 after this through hole, when counter wheel 100 moves, sampling element 300 constantly stops this signal, causes
The change of signal, the signal of change can be popped one's head in by through hole and 201 be collected, it is achieved that the generation of signal and reflection.Housing
Integrally-built compactedness can be increased, save the space installed, meanwhile, be also convenient for the installation of multiple parts, by multiple parts
After being arranged on housing, then housing is arranged in frame, easy for installation.The size of housing and the installation cavity of Qi Nei is on-demand sets
Put, it is ensured that enough, the shape of housing is not entered in the space that the installing space of all parts and overall housing set when installing
Row describes in detail, it is simple to install.Housing and frame preferably employ the fixing connection of screw, and connected mode is simple and reliable, it is simple to
Dismounting and maintenance.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a gas meter, flow meter inductance sampling apparatus, described gas meter, flow meter includes that enumerator, described enumerator include frame and counting
Wheel, described counter wheel is installed in described frame, it is characterised in that described gas meter, flow meter inductance sampling apparatus includes signal transmitting group
Part, sampling element and processor, described sampling element is installed on described counter wheel, and described signal transmission component is installed on institute
Stating in frame, for gathering the signal that described sampling element produces, described signal transmission component signal is connected to described processor,
Described processor counts for the signal produced according to the described sampling element collected.
Gas meter, flow meter inductance sampling apparatus the most according to claim 1, it is characterised in that described signal transmission component includes using
In gathering the probe of signal, signal emission module and the control module that described sampling element produces, wherein, described signal is launched
Module electrically connects described probe, and described probe electrically connects described control module, and described control module electrically connects described processor.
Gas meter, flow meter inductance sampling apparatus the most according to claim 2, it is characterised in that described signal transmission component also includes
Signal amplifier and for the metering signal of described signal transmission component being converted into the driving output circuit of square-wave signal,
Described control module electrically connect described signal amplifier, described signal amplifier electrically connect described driving output circuit, described in drive
Dynamic output circuit electrically connects described processor.
Gas meter, flow meter inductance sampling apparatus the most according to claim 3, it is characterised in that described control module includes for really
Protecting the analysis module of signal reliability, described analysis module electrically connects described probe.
Gas meter, flow meter inductance sampling apparatus the most according to claim 4, it is characterised in that described control module also include for
The reference voltage module of reference voltage is provided, is used for providing the agitator of stable operating frequency.
Gas meter, flow meter inductance sampling apparatus the most according to claim 2, it is characterised in that described counter wheel includes being oppositely arranged
Two wheel faces, one of them wheel face is provided with groove, described sampling element is installed in described groove, and described sampling unit
Being provided with elastic wall between part and described groove, the axis of described probe is perpendicular to described wheel face, and the axis of described probe is positioned at
On the rotation path of described sampling element.
Gas meter, flow meter inductance sampling apparatus the most according to claim 6, it is characterised in that described sampling element and described probe
It is coaxially disposed.
Gas meter, flow meter inductance sampling apparatus the most according to claim 6, it is characterised in that the signal of described signal emission module
Transmitting terminal is perpendicular to described wheel face, and described signal transmitting terminal is positioned on the rotation path of described sampling element.
Gas meter, flow meter inductance sampling apparatus the most according to claim 8, it is characterised in that described gas meter, flow meter inductance sampling apparatus
Also including that housing, described signal transmission component and described processor are installed on described housing, described housing is provided with for described
The through hole that the signal of signal transmission component passes.
Gas meter, flow meter inductance sampling apparatus the most according to claim 9, it is characterised in that described housing is installed on described machine
Frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700605.6U CN205879256U (en) | 2016-07-05 | 2016-07-05 | Gas table electrification sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620700605.6U CN205879256U (en) | 2016-07-05 | 2016-07-05 | Gas table electrification sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879256U true CN205879256U (en) | 2017-01-11 |
Family
ID=57695442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620700605.6U Active CN205879256U (en) | 2016-07-05 | 2016-07-05 | Gas table electrification sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001787A (en) * | 2020-07-17 | 2022-02-01 | 成都秦川物联网科技股份有限公司 | Double-speed photoelectric sampling method for Internet of things intelligent gas meter |
| CN114018355A (en) * | 2020-07-17 | 2022-02-08 | 成都秦川物联网科技股份有限公司 | Double-speed photoelectric sampling device for intelligent gas meter based on Internet of things |
-
2016
- 2016-07-05 CN CN201620700605.6U patent/CN205879256U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001787A (en) * | 2020-07-17 | 2022-02-01 | 成都秦川物联网科技股份有限公司 | Double-speed photoelectric sampling method for Internet of things intelligent gas meter |
| CN114018355A (en) * | 2020-07-17 | 2022-02-08 | 成都秦川物联网科技股份有限公司 | Double-speed photoelectric sampling device for intelligent gas meter based on Internet of things |
| CN114001787B (en) * | 2020-07-17 | 2023-05-05 | 成都秦川物联网科技股份有限公司 | Dual-speed photoelectric sampling method for intelligent gas meter of Internet of things |
| CN114018355B (en) * | 2020-07-17 | 2023-05-09 | 成都秦川物联网科技股份有限公司 | Internet of things intelligent gas meter double-speed photoelectric sampling device |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610000 Longquanyi, Sichuan Province Industrial Park licensing Patentee before: Chengdu Taichuan Technology Development Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |