CN204881713U - Gas flow measuring system - Google Patents
Gas flow measuring system Download PDFInfo
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- CN204881713U CN204881713U CN201520300046.5U CN201520300046U CN204881713U CN 204881713 U CN204881713 U CN 204881713U CN 201520300046 U CN201520300046 U CN 201520300046U CN 204881713 U CN204881713 U CN 204881713U
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- total head
- pressure
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- static
- pipeline
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- 230000003068 static effect Effects 0.000 claims abstract description 93
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 239000007789 gas Substances 0.000 claims description 84
- 238000005259 measurement Methods 0.000 claims description 51
- 230000005856 abnormality Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 238000004088 simulation Methods 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 description 5
- 239000002912 waste gas Substances 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000017574 dry cough Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Abstract
The utility model relates to a system of measurationing technical field provides a gas flow system of measurationing, and the accessible pressure gauge obtains the pressure differential of measurationing environment air current static pressure and total pressure for the flow of environment air current is measurationed in the estimation, still can be online with regularly automatic ground mode, to the detection atmospheric pressure of pressure gauge input simulation, thereby judges whether the pressure gauge is unusual, still can input the detection atmospheric pressure of simulation to the total pressure pipeline even, judges from this whether the total pressure pipeline is unusual.
Description
Technical field
The utility model relates to measurement system technical field, particularly relates to a kind of gas flow measurement system of the pressure differential estimated flow by static pressure and total head.
Background technology
Due to the progress of human industry, the air pollution of living environment little by little aggravates, concerning the mankind, air pollution can affect the health of the mankind, cause the disease of the aspects such as breathing, for example, the allergy of asthma, dry cough, headache and eyes, nose and throat can be caused.
Therefore, how to alleviate air pollution and become the problem that major industrial country is common in the world.In Taiwan; Environmental Protection Administration has required that the discharge of waste gas will carry out the control of flow; make usually can install gas flow measurement system additional in the discharge pipe of waste gas; by the pressure gauge in gas flow measurement system; measure the pressure differential of waste gas static pressure and total head in discharge pipe; and by the conversion formula of pressure differential and flow, the exhaust gas flow in estimation discharge pipe.So, the pressure gauge of gas flow measurement system, there is no effective ways at present and detects online, judge whether normal operation, often needs to be performed by engineering staff scene, so causes the flow management of toxic emission to be implemented.
Therefore, how to solve the pressure gauge in gas flow measurement system, online by the problem carrying out detecting, cannot become the technology subject under discussion that industry is paid close attention to.
Utility model content
In view of the shortcoming of above-mentioned prior art, the utility model provides a kind of gas flow measurement system, has static pressure table, total head table and large gas meter.Static pressure table and total head table are in order to receive static pressure and the total head of the air-flow measuring environment respectively, also there is static line with total head pipeline in order to be communicated with this static pressure table and total head table respectively, have more pressure gauge in order to measure the air pressure connecting static line and total head pipeline, and obtain the pressure differential measuring ambient windstream static pressure and total head, then by the conversion formula of pressure differential and flow, estimation measures the flow of air-flow in environment.Gas flow measurement system of the present utility model also comprises signal piping, pneumatic supply, detection control module and controller.Signal piping and total head pipeline connection.Pneumatic supply can provide gas to this signal piping.Detection control module has barometer in order to measure the air pressure in signal piping.Controller is when carrying out the first abnormality detection, cut-out static pressure table is communicated with static line, and cut off being communicated with of total head table and total head pipeline, and static line is communicated with large gas meter, atmospheric pressure is met to make the air pressure of static line inside, and make pneumatic supply provide gas to signal piping, when the atmospheric pressure value that barometer measures arrives predetermined detection atmospheric pressure value, make pneumatic supply stop meeting detection air pressure to signal piping air feed to make the air pressure of total head channel interior.
Alternative, gas flow measurement system of the present utility model also comprises connecting pipeline, controller is when carrying out the second abnormality detection, cut-out static pressure table is communicated with static line, and cut off being communicated with of total head table and total head pipeline, and static line is communicated with large gas meter with total head pipeline by connecting pipeline, meet atmospheric pressure to make the air pressure of static line and total head channel interior.Controller is when carrying out the 3rd abnormality detection, cut off total head table and pressure gauge being communicated with total head pipeline, and make pneumatic supply provide gas to signal piping, when the atmospheric pressure value that barometer measures arrives predetermined detection atmospheric pressure value, pneumatic supply is made to stop meeting detection air pressure to signal piping air feed to make the air pressure of total head channel interior.
Alternative, gas flow measurement system of the present utility model also comprises cleaning channels, pneumatic supply also can provide gases at high pressure to cleaning channels, controller is in time carrying out clean to static pressure table and total head table, cut off being communicated with of static pressure table and static line, and cut off being communicated with of total head table and total head pipeline, and follow static pressure table to be communicated with total head table cleaning channels, to provide gases at high pressure to static pressure table and total head table, with clean static pressure table and total head table.
Compared to prior art, gas flow measurement system of the present utility model, the gaseous tension can simulated the pressure gauge input of the pressure differential of the static line for measuring ambient windstream and total head pipeline, and can judge that whether pressure gauge is abnormal, cannot by the problem of on-line checkingi to solve pressure gauge.In addition, gas flow measurement system of the present utility model also can provide gases at high pressure to clean to static line and total head pipeline.
Accompanying drawing explanation
Fig. 1 is the calcspar of the first embodiment of the utility model gas flow measurement system;
Fig. 2 is the schematic diagram of static pressure port and total head table in the utility model gas flow measurement system;
Fig. 3 is the calcspar of the second embodiment of the utility model gas flow measurement system.
Embodiment
Following content will be arranged in pairs or groups accompanying drawing, and by particular specific embodiment, technology contents of the present utility model is described, technical personnel familiar with the art the content disclosed by this instructions can understand other advantages of the present utility model and effect easily.The utility model is also implemented by other different specific embodiments or is applied.Every details in this instructions also based on different viewpoints and application, not departing under spirit of the present utility model, can carry out various modification and change.Especially, the proportionate relationship of each assembly and relative position only have an exemplary use in the accompanying drawings, not represent the actual state that the utility model is implemented.
Below enumerate the multiple representational embodiment that possesses skills of the utility model.For simplifying exposure of the present utility model, in cited each embodiment, identical or approximate assembly is adopt identical symbol to be described, and identical or approximate explanation is adopt simplified way to carry out.
First embodiment
Referring to Fig. 1 to Fig. 2, is the schematic diagram of the first embodiment of the utility model gas flow measurement system.As shown in the figure, the gas flow measurement system 1 of the present embodiment can be installed in the discharge pipe of waste gas, has static pressure table 11, total head table 12, large gas meter 14, pressure gauge 15, static line 131 and total head pipeline 132.Wherein, pressure gauge 15 is such as differential pressure gauge.Static pressure table 11 and total head table 12 are in order to receive static pressure and the total head of the air-flow measuring environment respectively, and described measurement environment is the inner space of discharge pipe.Static line 131 and one end of total head pipeline 132 are communicated with static pressure table 11 and total head table 12 respectively, and the other end is communicated with pressure gauge 15 respectively, in order to provide the static pressure and total head that measure ambient windstream to pressure gauge 15, and make pressure gauge 15 can measure the static pressure of air-flow and the pressure differential of total head of measurement environment, by the numerical value of pressure differential, namely by the conversion formula of pressure differential and flow, estimation measures the flow of air-flow in environment.
Specifically, when the utility model gas flow measurement system carries out gas flow measurement, static line 131 is open-minded with the first gate valve 1311 on total head pipeline 132 and the second gate valve 1321, and respectively pressure gauge 15 is provided to static pressure and the total head of the air-flow of measurement environment.As shown in Figure 2, static pressure table 11 has static pressure gas collection mouth 111, and described static pressure gas collection mouth 111 is parallel to the flow direction of ambient windstream 2, thus can obtain the static pressure of the air-flow measuring environment; Total head table 12 has total head gas collection mouth 121, and described total head gas collection mouth 121, perpendicular to the flow direction of ambient windstream 2, thus can obtain the total head of the air-flow measuring environment.
In addition, gas flow measurement system of the present utility model also has pneumatic supply 17, detection control module 18, controller 19, signal piping 133 and air pipeline 136, thus carries out abnormality detection to pressure gauge 15.Pneumatic supply 17 can provide gas to signal piping 133, wherein, signal piping 133 has the 3rd gate valve 1331, controller 19 can make the 3rd gate valve 1331 open-minded, make pneumatic supply 17 can provide gas to signal piping 133, pressure gauge 15 is inputted to the gaseous tension of simulation, the force value measured by pressure gauge 15, judge that whether pressure gauge 15 is abnormal.Detection control module 18 has barometer 181 in order to measure the air pressure of signal piping 133 inside.
Moreover the two ends of air pipeline 136 are communicated with static line 131 with large gas meter 14 respectively, and air pipeline 136 have the 6th gate valve 1361, and controller 19 can make the 6th gate valve 1361 open-minded, makes large gas meter 14 pairs of static lines 131 provide atmospheric pressure.
Below illustrate that gas flow measurement system of the present utility model can carry out first, second abnormality detection to pressure gauge, thus whether checking pressure gauge is normal.
When gas flow measurement system of the present utility model carries out the first abnormality detection, controller 19 can make the first gate valve 1311 and the second gate valve 1321 cut out, thus cut off being communicated with of static pressure table 11 and static line 131, and cut off being communicated with of total head table 12 and total head pipeline 132, and stop the static pressure and the total head that pressure gauge 15 are provided to the air-flow of measurement environment.Then, make the 6th gate valve 1361 of air pipeline 136 open-minded, static line 131 is communicated with large gas meter 14, atmospheric pressure is met to make the air pressure of static line 131 inside, and make pneumatic supply 17 pairs of signal pipings 133 provide gas, until when the atmospheric pressure value that barometer 181 measures arrives predetermined detection atmospheric pressure value, detection control module 18 can make the 3rd gate valve 1331 close, thus stop the lasting air feed of pneumatic supply 17 pairs of signal pipings 133, and make total head pipeline 132 and the air pressure of signal piping 133 inside meet predetermined detection air pressure, namely the gaseous tension of simulation is inputted by signal piping 133 pairs of total head pipelines 132.Now, if the total head pipeline measured by pressure gauge 15 132 is equivalent to predetermined detection air pressure with the draught head of static line 131 inside, then the measurement of representative pressure meter 15 is correct, and is in normally functioning serviceable condition, also represents total head pipeline 132 normal without damaged with static line 131.
In embodiment of the present utility model, on signal piping 133, also can install flow damper 1332 additional, thus slow down the speed that pneumatic supply 17 pairs of signal pipings 133 provide gas, in other words, the detection air pressure for slowing down signal piping 133 arrives the speed of predetermined value.So, pneumatic supply 17 pairs of signal pipings 133 can be avoided to provide the excessive velocities of gas, cause the detection air pressure of signal piping 133 to exceed predetermined value, and affect the result of abnormality detection.Preferably, flow damper 1332 slows down the adjustable flow damper of degree for adjustable.
In addition, signal piping 133 also can install additional and check table 16, between pneumatic supply 17 and signal piping 133, can when carrying out the first abnormality detection, check total head pipeline 132 and whether meet expection with the air pressure of signal piping 133, for the air pressure measurement of the barometer 181 of checking detection control module 18, also can verify that whether the function of barometer 181 is normal, even, total head pipeline 132 can also be checked thus whether abnormal with signal piping 133.What is more, signal piping 133 also can install reduction valve 1333 additional, between pneumatic supply 17 and signal piping 133, for reducing the air pressure that pneumatic supply 17 provides for signal piping 133, to meet predetermined detection air pressure.Preferably, reduction valve 1333 is the adjustable compression release valve of adjustable inspection pressure degree.
Gas flow measurement system of the present utility model also has the connecting pipeline 134 for being communicated with static line 131 and total head pipeline 132, connecting pipeline 134 has the 4th gate valve 1341, controller 19 can make the 4th gate valve 1341 open-minded, and static line 131 is communicated with total head pipeline 132.When gas flow measurement system of the present utility model carries out the second abnormality detection, controller 19 can make the first gate valve 1311 and the second gate valve 1321 cut out, thus cut off being communicated with of static pressure table 11 and static line 131, and cut off being communicated with of total head table 12 and total head pipeline 132, and stop the static pressure and the total head that pressure gauge 15 are provided to the air-flow of measurement environment.Then, controller 19 makes the 4th gate valve 1341 of the 6th gate valve 1361 of air pipeline 136 and connecting pipeline 134 open-minded, and static line 131, total head pipeline 132 are communicated with large gas meter 14, atmospheric pressure is met with the air pressure of total head pipeline 132 inside to make static line 131, now, if the total head pipeline measured by pressure gauge 15 132 is equivalent to atmospheric pressure with the draught head of static line 131 inside, then the pressure measurement function of representative pressure meter 15 is normal.
Therefore, the gas flow measurement system of the present embodiment, can in online by Control Component in timing automatic ground mode, to the gaseous tension of pressure gauge input simulation, the gas pressure value of inputted simulation whether correctly can be sensed by pressure gauge, thus judge that whether pressure gauge is abnormal, and save the trouble that manual site performs detection.
In embodiment of the present utility model, cleaning channels 135 as shown in Figure 1 also can be set, be communicated with pneumatic supply 17 with static pressure table 11, total head table 12 respectively.Cleaning channels 135 has the 5th gate valve 1351, controller 19 can make the 5th gate valve 1351 open-minded, makes pneumatic supply 17 via cleaning channels 135, and static pressure table 11 and total head table 12 are provided to gases at high pressure and clean.Specifically, when carrying out clean to static pressure table 11 and total head table 12, controller 19 can make the first gate valve 1311 and the second gate valve 1321 cut out, thus cuts off being communicated with of static pressure table 11 and static line 131, and being communicated with of cut-out total head table 12 and total head pipeline 132.Then, make the 5th gate valve 1351 on cleaning channels 135 open-minded, so, pneumatic supply 17, by cleaning channels 135, provides gases at high pressure to static pressure table 11 and total head table 12, to be cleaned static pressure table 11 and this total head table 12 by gases at high pressure.
Second embodiment
Referring to Fig. 3, is the schematic diagram of the second embodiment of the utility model gas flow measurement system.The present embodiment and above-mentioned first embodiment main difference are, total head pipeline 132 has additional the 7th gate valve 1322 that general state is opened, and wherein, the 7th gate valve 1322 is close to pressure gauge 15, can being communicated with of cut-out pressure meter 15 and total head pipeline 132.
When gas flow measurement system of the present utility model carries out the 3rd abnormality detection, controller 19 can make the second gate valve 1321 and the 7th gate valve 1322 cut out, thus cuts off total head table 12 and pressure gauge 15 being communicated with total head pipeline 132.Then, make pneumatic supply 17 pairs of signal pipings 133 provide gas, make the air pressure of total head pipeline 132 inside meet predetermined detection air pressure, namely inputted the air pressure of simulation by signal piping 133 pairs of total head pipelines 132.Now, if the air pressure checking total head pipeline 132 inside measured by table 16 is equivalent to above-mentioned predetermined detection air pressure, then represents total head pipeline 132 normal, otherwise then represent exception.
Therefore, the gas flow measurement system of the present embodiment, for the gaseous tension of total head pipeline input simulation, thus can judge that whether total head pipeline is abnormal, and contribute to the maintenance of engineering staff to system.
In sum, gas flow measurement system of the present utility model, the flow measuring of air-flow can be carried out to the measurement environment of pipeline, the pressure differential measuring ambient windstream static pressure and total head is obtained by pressure gauge, obtain pressure differential just by the conversion formula with flow, estimation measures the flow of the air-flow of environment.Gas flow measurement system of the present utility model also in on-line automatic timing, can provide detection air pressure to used pressure gauge and total head pipeline, to carry out abnormality detection.What is more, also gases at high pressure can be provided to clean to static pressure table and total head table.
Above-described embodiment is illustrative principle of the present utility model and effect only, but not for limiting the utility model.Anyly have the knack of technique personnel and all without prejudice under spirit of the present utility model and category, can carry out modifying to above-described embodiment and change.Therefore, rights protection scope of the present utility model, should listed by the utility model claim.
[symbol description]
1 gas flow measurement system
11 static pressure tables
111 static pressure gas collection mouths
12 total head tables
121 total head gas collection mouths
131 static lines
1311 first gate valves
132 total head pipelines
1321 second gate valves
1322 the 7th gate valves
133 signal pipings
1331 the 3rd gate valves
1332 flow dampers
1333 reduction valve
134 connecting pipelines
1341 the 4th gate valves
135 cleaning channels
1351 the 5th gate valves
136 air pipelines
1361 the 6th gate valves
14 large gas meters
15 pressure gauges
16 check table
17 pneumatic supplies
18 detection control modules
181 barometers
19 controllers
Claims (10)
1. a gas flow measurement system, it is characterized in that, there is static pressure table, total head table and large gas meter, described static pressure table and total head table are in order to receive static pressure and the total head of the air-flow measuring environment respectively, also there is static line with total head pipeline in order to be communicated with described static pressure table and total head table respectively, have more pressure gauge in order to measure the air pressure connecting described static line and described total head pipeline, and obtain the pressure differential of described measurement ambient windstream static pressure and total head, then by the conversion formula of pressure differential and flow, estimate the flow of air-flow in described measurement environment, also comprise:
Signal piping, with described total head pipeline connection;
Pneumatic supply, can provide gas to described signal piping;
Detection control module, has barometer in order to measure the air pressure in described signal piping; And
Controller, when carrying out the first abnormality detection, cut off being communicated with of described static pressure table and described static line, and cut off being communicated with of described total head table and described total head pipeline, and described static line is communicated with described large gas meter, atmospheric pressure is met to make the air pressure of described static line inside, and make pneumatic supply provide gas to described signal piping, when the atmospheric pressure value that barometer measures arrives predetermined detection atmospheric pressure value, described pneumatic supply is made to stop meeting described detection air pressure to described signal piping air feed to make the air pressure of described total head channel interior.
2. gas flow measurement system as claimed in claim 1, it is characterized in that, also comprise connecting pipeline, described controller is when carrying out the second abnormality detection, cut off being communicated with of described static pressure table and described static line, and cut off being communicated with of described total head table and described total head pipeline, and described static line and described total head pipeline are communicated with described large gas meter by described connecting pipeline, meet atmospheric pressure to make the air pressure of described static line and described total head channel interior.
3. gas flow measurement system as claimed in claim 1, it is characterized in that, described controller is when carrying out the 3rd abnormality detection, cut off total head table and pressure gauge being communicated with total head pipeline, and make pneumatic supply provide gas to described signal piping, when the atmospheric pressure value that described barometer measures arrives predetermined detection atmospheric pressure value, described pneumatic supply is made to stop meeting described detection air pressure to described signal piping air feed to make the air pressure of described total head channel interior.
4. gas flow measurement system as claimed in claim 1, is characterized in that, also comprise flow damper, and between described pneumatic supply and described signal piping, the detection air pressure for slowing down described signal piping arrives the speed of predetermined value.
5. gas flow measurement system as claimed in claim 4, it is characterized in that, described flow damper is adjustable flow damper.
6. gas flow measurement system as claimed in claim 1, it is characterized in that, described signal piping also has checks table, and when carrying out abnormality detection, whether the air pressure checking described total head pipeline meets expection.
7. gas flow measurement system as claimed in claim 1, it is characterized in that, also comprise reduction valve, between described pneumatic supply and described signal piping, for reducing the air pressure that described pneumatic supply provides described signal piping, to meet predetermined detection air pressure.
8. gas flow measurement system as claimed in claim 1, it is characterized in that, also comprise cleaning channels, described pneumatic supply also can provide gases at high pressure to described cleaning channels, described controller is when carrying out clean to described static pressure table and described total head table, cut off being communicated with of described static pressure table and described static line, and cut off being communicated with of described total head table and described total head pipeline, and described cleaning channels is communicated with described total head table with described static pressure table, to provide gases at high pressure to described static pressure table and described total head table, with clean described static pressure table and described total head table.
9. gas flow measurement system as claimed in claim 1, it is characterized in that, described pressure counts differential pressure gauge.
10. gas flow measurement system as claimed in claim 1, it is characterized in that, described static pressure table has static pressure gas collection mouth, the flow direction of parallel described ambient windstream; Described total head table has total head gas collection mouth, the flow direction of vertical described ambient windstream.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104205581U TWM503559U (en) | 2015-04-14 | 2015-04-14 | Gas flow measurement system |
| TW104205581 | 2015-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204881713U true CN204881713U (en) | 2015-12-16 |
Family
ID=53937650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520300046.5U Withdrawn - After Issue CN204881713U (en) | 2015-04-14 | 2015-05-11 | Gas flow measuring system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204881713U (en) |
| TW (1) | TWM503559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052772A (en) * | 2015-04-14 | 2016-10-26 | 深圳鸿旺环保技术有限公司 | Gas flow measuring system |
| CN106814762A (en) * | 2016-12-28 | 2017-06-09 | 武汉新芯集成电路制造有限公司 | Boiler tube detection means and detection method under a kind of low-pressure state |
-
2015
- 2015-04-14 TW TW104205581U patent/TWM503559U/en unknown
- 2015-05-11 CN CN201520300046.5U patent/CN204881713U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052772A (en) * | 2015-04-14 | 2016-10-26 | 深圳鸿旺环保技术有限公司 | Gas flow measuring system |
| CN106052772B (en) * | 2015-04-14 | 2019-08-27 | 赛默飞世尔（上海）仪器有限公司 | Gas flow measuring system |
| CN106814762A (en) * | 2016-12-28 | 2017-06-09 | 武汉新芯集成电路制造有限公司 | Boiler tube detection means and detection method under a kind of low-pressure state |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM503559U (en) | 2015-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180102 Address after: 201206 east side of the first, second layer of Building No. 211 T71-6, Qin Qiao Road, Pudong New Area free trade test area, Shanghai Patentee after: THERMO FISHER (SHANGHAI) INSTRUMENT CO., LTD. Address before: 518000 Guangdong Shenzhen City, Shenzhen City, Longhua New District Office of industrial West Road, south side dormitory C building Patentee before: SHENZHEN EPTEK TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20190827 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20190827 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |