CN204832555U - Generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination - Google Patents
Generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination Download PDFInfo
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- CN204832555U CN204832555U CN201520508293.4U CN201520508293U CN204832555U CN 204832555 U CN204832555 U CN 204832555U CN 201520508293 U CN201520508293 U CN 201520508293U CN 204832555 U CN204832555 U CN 204832555U
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Abstract
The utility model discloses a generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination, including the examination chamber, the examination chamber can be opened sealing door through the accent setting and formed inclosed intracavity examination environment, and examination intracavity portion passes through adjustment and the control that inlet and exhaust pipe routing control system control formed pressure, humidity and temperature, and wherein, the humidity environment passes through the double -current method or two platen press forms, the cavity in examination chamber is bilayer structure, and the inner bag and the inner space between the urceolus of cavity constitute liquid heat -conducting medium passageway, and this liquid heat -conducting medium passageway forms the heat -conducting medium cover of inner bag, be connected with heater, refrigerator and circulating pump on the outer circulation pipeline of liquid heat -conducting medium passageway through influent stream mouth and backward flow mouthful connection. The beneficial effects of the utility model are that, can provide temperature, humidity and the examination of pressure sensor precision of meteorological trade and calibrate with warm and humid pressure integrated environment, its simple structure, warm and humid pressure parameter adjustment nature is good, stability is high, adjustment accuracy is high.
Description
Technical field
The utility model relates to a kind of assay calibration facility of environment detection instrument, particularly a kind of temperature, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator.
Background technology
The various sensors used in weather monitoring instrument or system have higher accuracy requirement, particularly temperature, humidity and pressure three fundamental sensors requirement higher.But, a great problem in industry is perplexed always to the calibration or verification of these sensors.The response characteristic that calibration or verification refers to the monitor value of sensor and the difference of environment temperature, humidity or pressure actual value or changes with temperature, humidity or pressure, by forming fair curve as sensor resonse characteristic to the record of multiple point value, pass through to utilize family curve to obtain environmental monitoring results more accurately to the conversion of monitor value.At present calibration or verification facility usually all belong to import equipment, not only procurement price is expensive, and install, debugging and maintaining can only rely on foreign technology personnel and carry out, the time cycle is long, maintenance expense is high.Even so, existing import equipment or instrument also can only carry out the joint calibration of single factor test or two factors, as the calibration of temperature humidity, temperature, pressure and humidity stress, and the calibrating of combining of temperature, humidity and pressure three factors can not be realized, there is certain precision deviation hidden danger in its verification result.Combining calibrating for realizing Three factors, needing a kind of temperature and humidity pressure comprehensive generator of homogeneous temperature field, in order to form high-precision temperature and humidity pressure calibrating environment.
Summary of the invention
The purpose of this utility model is exactly for the deficiencies in the prior art, a kind of temperature, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator are provided, this generator both can provide stable and uniform temperature, humidity and pressure comprehensively examine and determine environment, also dynamic and uniform temperature, humidity and force pressure environment can be obtained, sensor calibration accuracy is high, is specially adapted to the calibrating of Temperature Humidity Sensor in Meteorological Field.
For achieving the above object, the utility model adopts following technical scheme:
Temperature and humidity pressure comprehensive generator is used in a kind of temperature, humidity and pressure transducer calibrating, comprise calibrating chamber, calibrating chamber is arranged can be formed in airtight chamber and examine and determine environment by opening encapsulation door by accent, the inner adjustment by air inlet-outlet pipe route control system control mineralization pressure, humidity and temperature in calibrating chamber and control, wherein, humidity environment is formed by double-current method or two platen press; The cavity in calibrating chamber is double-decker, and the inner space between the inner bag of cavity and urceolus forms liquid thermal conductivity media passage, and this liquid thermal conductivity media passage forms the heat-conducting medium cover of inner bag; The external circulation line that liquid thermal conductivity media passage is connected with refluxing opening by influent stream mouth is connected with well heater, refrigerator and ebullator.
Adopt the utility model of preceding solution, because the housing examining and determine chamber is double-decker, form heat-conducting medium passage between calibrating chamber inner bag and urceolus, liquid thermal conductivity media is formed with baric flow by external ebullator and moves in heat-conducting medium passage; The inner bag in calibrating chamber is covered by heat-conducting medium parcel and forms heat-conducting medium cover, make the surface temperature of calibrating chamber inner bag even, calibrating chamber inner bag to be combined with heat exchange pattern by blackbody radiation mode and makes the calibrating environment temperature of inside, calibrating chamber even, form homogeneous temperature field, thus the coherence request that the temperature and the actual temperature that reach calibrating environment temperature reference mark fit like a glove, the effectively accuracy of raising environment temperature simulation.External circulation line is connected with well heater and refrigerator, calibrating chamber realizes the change requirement of the meteorological monitoring of environmental temperature of simulation by refrigerator or well heater.Wherein, refrigerator and well heater can adopt serial or parallel connection mode to be connected, when well heater and refrigerator adopt parallel way to be connected, circulating-pump outlet end is communicated with the entrance point of refrigerator with well heater by threeway simultaneously, or well heater is connected with the entrance point of ebullator by threeway with the endpiece of refrigerator simultaneously; When well heater and refrigerator adopt series system to be connected, circulating-pump outlet end is connected with relative to the entrance point examining and determine chamber well heater far away or refrigerator, or the well heater nearer relative to calibrating chamber or the endpiece of refrigerator are connected with circulating-pump outlet end.Wherein, the double-current method that humidity environment is formed refers to the blending ratio directly being controlled saturated vapor and dry gas by flow controller; Two platen press adopts the blending ratio of pressure controller to the saturated vapor and dry gas that are converted into pressure factor to carry out control mode, and form different humidity variation requirements, its humid control is accurate, and fast response time.
The calibrating installation of application the utility model comprehensive generator is realized the analog operation environmental change of sensor in weather monitoring instrument or system by calibrating chamber environment temperature, humidity and Stress control and is changed accordingly or regulate, by in real time receptions being recorded sensor temperature, humidity and pressure probe value and is examined and determine environment actual value and compare, just can calculate easily and determine the response time of sensor comprehensive detection characteristic and real-time difference, thus determining its resonse characteristic.When sensor practical application, utilize the Real-Time Monitoring value of this family curve to sensor to revise, just can obtain the true value of the temperature of environment residing for sensor, humidity and pressure accurately.
Preferably, the external circulation line of described liquid thermal conductivity media passage is provided with heat exchanger, and another heat exchange access port of this heat exchanger is connected on the air inlet pipeline in calibrating chamber, and this air inlet pipeline is used for the gas providing setting humidity to the calibrating environment in calibrating chamber.The liquid medium heat energy that heat exchanger utilizes refluxing opening to reflux or the dry wet mixture body of cold energy to the setting humidity entered in calibrating chamber carry out preheating or precooling, its temperature is reached or close calibrating cavity temperature, while effectively improving energy utilization rate, the homogeneity of the rear initial temperature of intracavity gas mixing can be improved; In addition, the inner air path pipeline of heat exchanger is beneficial to the abundant mixing of saturated with moisture and dry gas, thus effectively improves the homogeneity of calibrating chamber internal gas humidity.
Preferred further, the inlet end of described air inlet pipeline is connected with saturated with moisture gas circuit and dry gas gas circuit respectively by threeway; Saturated with moisture gas circuit is connected with two air intake openings of described threeway respectively by flow or pressure controller with dry gas gas circuit.Examine and determine the pressure stability of environment by flow or pressure controling mode to entering inside, calibrating chamber and raise adjustment requirement, only needing the controller that in selection control commodity, precision is high can realize high precision control overflow easily.
Further preferred, described saturated with moisture gas circuit is provided with saturator, and the endpiece of saturator connects with the entrance point of corresponding described flow or pressure controller.Saturator is the generating means of saturated with moisture in prior art, comprises column plate type and bubble type.The granted patent that column plate type saturator can adopt Chinese patent Authorization Notice No. CN101619880B to announce, its invention and created name is " column plate type water, hail and air humidifier ".This column plate type saturator utilizes water or ice to form saturated humidified ambient, can is saturated with moisture by humidification when gas enters this saturated humidified ambient.
Preferred further again, described dry gas gas circuit is provided with exsiccator, and the endpiece of exsiccator connects with the entrance point of corresponding described flow or pressure controller, and the inlet ductwork of exsiccator is connected with source of the gas by pressure regulator valve successively.With by the dry gas obtaining pure drying, for the humid control and adjustment examining and determine environment provides reliable guarantee.In this programme, source of the gas is formed by air compressor, preferably system of non heated regeneration dryer is set between pressure regulator valve and the air compressor of source of the gas, to utilize the outstanding drying property of system of non heated regeneration dryer, the gas of pure drying is obtained, for the humid control and adjustment examining and determine environment provides further guarantee by two-stage drying mode.
Preferred further again, the export pipeline of described pressure regulator valve is also formed with a bypass, and the air intake opening that this bypass is provided with described saturator is connected.In order to provide institute's air demand to saturator, outfit of equipment structure is simplified and compact, reduction device fabrication cost.
Preferably, the gas exhaust piping that described calibrating chamber is provided with is connected with vacuum pump, between vacuum pump and calibrating chamber, is provided with exhaust controller.Control system realizes step-down adjustment and the voltage stabilizing pressurize of examining and determine chamber closed test environment by flow or pressure controlled mode, changes corresponding pressure condition to obtain simulated environment.
Preferred further, described heat-conducting medium passage forms the heat-conducting medium cover of setting shape runner by fair water fin.To be made liquid thermal conductivity media form the flowing of setting means on wall of inner container by fair water fin, strengthen heat-conducting effect.Certainly, when not arranging fair water fin, by influent stream mouth and refluxing opening being divided the housing bottom and oral area two ends that are located at calibrating chamber, and make influent stream mouth be positioned at heat-conducting medium beneath galleries, refluxing opening is positioned at heat-conducting medium channel upper, with the leaching obtaining liquid thermal conductivity media overflow formula flowing, can structure be simplified, reduce manufacturing cost.
Further preferred, preferably, described liquid thermal conductivity media passage forms spiral or round flow-type runner by fair water fin.In order to form the type of flow of the setting of heat-conducting medium cover and rule, with at the uniform heat transfer of calibrating periphery, chamber formation temperature, guarantee that cavity temperature is even.
Preferred further again, described round flow-type runner is formed primarily of the fair water fin of " 7 " font, " 7 " shape guide-flow-board is formed with the calibrating inner bag of cavity shell and the pipe sidewall of urceolus and is tightly connected, and the flow channel section of arbitrary fair water fin both sides passes through the staggered change of fair water fin two ends length in being communicated with housing oral area bottom calibrating cavity shell of replacing.To make heat-conducting medium runner form the round flowing reaching faucal at the bottom of shell, improve calibrating chamber wall temperature uniformity effects further, be specially adapted to the generator compared with large gauge calibrating installation.
The beneficial effects of the utility model are, the temperature of Meteorological Field, humidity and Pressure Sensor Precision can be provided to examine and determine and calibration temperature and humidity pressure integrated environment, and its structure is simple, and temperature and humidity pressure parameter adjustment is good, stability is high, Adjustment precision is high.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Fig. 2 examines and determine chamber cavity body structure schematic diagram in the utility model.
Fig. 3 is the calibrating chamber cavity inner bladder outer wall structural representation of embodiment 2 in the utility model, and wherein, arrow direction is liquid thermal conductivity media flow direction, and influent stream joint 3 and backflow fittings 4 only represent its position arranged.
Fig. 4 is the mode of communicating of fair water fin 19 bottom circular inner bladder in embodiment 3 in the utility model.
Fig. 5 is the another kind of mode of communicating of fair water fin 19 bottom right angle quadrilateral inner bag in embodiment 3 in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but therefore the utility model is not limited among described scope of embodiments.
Embodiment 1, see Fig. 1, Fig. 2, temperature and humidity pressure comprehensive generator is used in a kind of temperature, humidity and pressure transducer calibrating, comprise calibrating chamber 1, calibrating chamber 1 is arranged can be formed in airtight chamber and examine and determine environment by opening encapsulation door by accent, and inside, calibrating chamber 1 controls mineralization pressure, the adjustment of humidity and temperature and control by air inlet-outlet pipe route control system.Wherein, humidity environment is formed by double-current method, and the cavity specifically comprising calibrating chamber 1 is double-decker, and the inner space between the inner bag of cavity and urceolus forms liquid thermal conductivity media passage, and this liquid thermal conductivity media passage forms the heat-conducting medium cover of inner bag, the external circulation line that liquid thermal conductivity media passage is connected with refluxing opening 1b by influent stream mouth 1a is provided with well heater 2, refrigerator 3, heat exchanger 4 and ebullator 16, the liquid medium entrance of heat exchanger 4 is connected on refluxing opening 1b, the liquid medium outlet of heat exchanger 4 is connected with ebullator 16 import, ebullator 16 outlet is connected with refrigerator 3, well heater 2 is serially connected between the influent stream mouth 1a of refrigerator 3 and liquid thermal conductivity media passage, the entrance point of ebullator 16 is connected with expansion of liquids container 17, expansion of liquids container 17 is for liquid thermal conductivity media deposit, to guarantee not cause pressure in liquid thermal conductivity media circulation passage to raise because of gradient of temperature or scale of construction deficiency, expansion vessel 17 is provided with safety valve 18, so that the releasing pressure automatically when pressure is elevated to setting value, guarantee use safety, heat exchanger 4 is connected on the air inlet pipeline in calibrating chamber 1 by another heat exchange path, and this air inlet pipeline is used for the gas providing setting humidity to the calibrating environment in calibrating chamber 1.The gas exhaust piping in calibrating chamber 1 is connected with vacuum pump 5, between vacuum pump 5 and calibrating chamber 1, is provided with the exhaust controller 6 be made up of pressure controller.
Wherein, the inlet end of air inlet pipeline is connected with saturated with moisture gas circuit and dry gas gas circuit respectively by threeway; Saturated with moisture gas circuit is connected with two air intake openings of described threeway respectively by flow controller 7 with dry gas gas circuit.Saturated with moisture gas circuit is provided with saturator 8, and the endpiece of saturator 8 connects with the entrance point of corresponding flow controller 7; The intake tunnel of saturator 8 is connected with water tank 11 by retaining valve 9, small pump 10; Dry gas gas circuit is provided with exsiccator 12, and the endpiece of exsiccator 12 connects with the entrance point of corresponding flow controller 7, and the inlet ductwork of exsiccator 12 is connected with the air compressor 15 forming source of the gas by pressure regulator valve 13, system of non heated regeneration dryer 14 successively; The export pipeline of pressure regulator valve 13 is also formed with a bypass, and the air intake opening that this bypass is provided with saturator 8 is connected.
Arranging of well heater 2 in the present embodiment, refrigerator 3 and ebullator 16 sequentially can be exchanged mutually, is followed successively by ebullator 16, well heater 2 and refrigerator 3 as held by refluxing opening 1b to influent stream mouth 1a; Well heater 2, refrigerator 3 and ebullator 16; Well heater 2, ebullator 16 and refrigerator 3; Refrigerator 3, ebullator 16 and well heater 2; Refrigerator 3, well heater 2 and ebullator 16.
Well heater 2 in the present embodiment and refrigerator 3 can not work simultaneously, and during one of them work, another should keep clear.The benefit be arranged in series only a flow controlling unit or flow control element need be adopted to realize flow control, is beneficial to compact devices structure.Certainly, the mode of well heater 2 and refrigerator 3 parallel connection also can be adopted to substitute the scheme of series connection, when adopting parallel arrangement, either-or work, or the two does not all work as required; Wherein liquid thermal conductivity combines and is formed with pressure circulation by heat exchanger 4, ebullator 16, refrigerator 3 or well heater 2 and heat-conducting medium passage successively; Or liquid thermal conductivity media successively by heat exchanger 4, refrigerator 3 or well heater 2, then pumps into heat-conducting medium passage by ebullator 16 pressure and is formed with pressure circulation.
Humidity environment in the present embodiment is also formed by two platen press, and specifically flow controller 7 adopts pressure controller to substitute.
Exhaust controller 6 in the present embodiment also can adopt flow controller to substitute.
Flow control implement body in the present embodiment adopts the mass flow controller that control accuracy is high.
In the present embodiment, also on the inner bladder outer wall in calibrating chamber 1, spiral deflector can be set, to make to form helical flow pattern (illustrating without accompanying drawing) in the heat-conducting medium passage of liquid thermal conductivity media on inner bag.
Embodiment 2, see Fig. 3, described liquid thermal conductivity media passage forms spiral or " crawling " formula runner by fair water fin.Wherein, round flow-type runner is formed primarily of the fair water fin 19 of " 7 " font, " 7 " shape guide-flow-board 19 is formed with the inner bag of calibrating chamber 1 housing and the pipe sidewall of urceolus and is tightly connected, and the flow channel section of arbitrary fair water fin 19 both sides passes through the staggered change of fair water fin 19 two ends length in being communicated with housing oral area at calibrating chamber 1 housing bottom of replacing; And influent stream mouth 1a and refluxing opening 1b is positioned at the top of heat-conducting medium passage or the same position of bottom, influent stream mouth 1a and refluxing opening 1b divides and is located at dividing plate 20 both sides.
All the other structures of the present embodiment are identical with embodiment 1, do not repeat them here.
Embodiment 3, see Fig. 4, Fig. 5, the horizontal sides free end of the fair water fin 19 of described " 7 " font and vertical edge free end length change in staggered, to form round flow-type flow-guiding channel.Wherein, Fig. 4 is the inner bag of calibrating chamber 1 housing and urceolus is circular situation, the situation of Fig. 5 to be the inner bag of calibrating chamber 1 housing and urceolus be right angle quadrilateral.
All the other structures of the present embodiment are identical with embodiment 2, do not repeat them here.
Embodiment of the present utility model is drawings described although combine above, but those of ordinary skill in the art also can recognize in the scope to claims and makes various change or amendment, these modifications and variations are interpreted as within scope of the present utility model and intention.
Claims (10)
1. temperature and humidity pressure comprehensive generator is used in temperature, a humidity and pressure transducer calibrating, comprise calibrating chamber (1), calibrating chamber (1) is arranged can be formed in airtight chamber and examine and determine environment by opening encapsulation door by accent, the inner adjustment by air inlet-outlet pipe route control system control mineralization pressure, humidity and temperature of calibrating chamber (1) and control, wherein, humidity environment is formed by double-current method or two platen press; It is characterized in that, the cavity of described calibrating chamber (1) is double-decker, and the inner space between the inner bag of cavity and urceolus forms liquid thermal conductivity media passage, and this liquid thermal conductivity media passage forms the heat-conducting medium cover of inner bag; The external circulation line that liquid thermal conductivity media passage is connected with refluxing opening (1b) by influent stream mouth (1a) is connected with well heater (2), refrigerator (3) and ebullator (16).
2. temperature according to claim 1, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, the external circulation line of described liquid thermal conductivity media passage is provided with heat exchanger (4), another heat exchange access port of this heat exchanger (4) is connected on the air inlet pipeline of calibrating chamber (1), and this air inlet pipeline is used for the gas providing setting humidity to the calibrating environment of calibrating chamber (1).
3. temperature according to claim 2, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, the inlet end of described air inlet pipeline is connected with saturated with moisture gas circuit and dry gas gas circuit respectively by threeway; Saturated with moisture gas circuit is connected with two air intake openings of described threeway respectively by flow or pressure controller (7) with dry gas gas circuit.
4. temperature according to claim 3, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, described saturated with moisture gas circuit is provided with saturator (8), and the endpiece of saturator (8) connects with the entrance point of corresponding described flow or pressure controller (7).
5. temperature according to claim 4, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, described dry gas gas circuit is provided with exsiccator (12), the endpiece of exsiccator (12) connects with the entrance point of corresponding described flow or pressure controller (7), and the inlet ductwork of exsiccator (12) is connected with source of the gas by pressure regulator valve (13) successively.
6. temperature according to claim 5, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, the export pipeline of described pressure regulator valve (13) is also formed with a bypass, and the air intake opening that this bypass is provided with described saturator (8) is connected.
7. temperature according to claim 1, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, the gas exhaust piping that described calibrating chamber (1) is provided with is connected with vacuum pump (5), between vacuum pump (5) and calibrating chamber (1), is provided with exhaust controller (6).
8. the temperature any one of claim 1 ~ 7 described in claim, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, is characterized in that, described liquid thermal conductivity media passage forms the heat-conducting medium cover of setting shape runner by fair water fin.
9. temperature according to claim 8, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, described liquid thermal conductivity media passage forms spiral or round flow-type runner by fair water fin.
10. temperature according to claim 9, humidity and pressure transducer calibrating temperature and humidity pressure comprehensive generator, it is characterized in that, described round flow-type runner is formed primarily of the fair water fin (19) of " 7 " font, " 7 " shape guide-flow-board (19) is formed with the calibrating inner bag of chamber (1) housing and the pipe sidewall of urceolus and is tightly connected, and the flow channel section of arbitrary fair water fin (19) both sides passes through the staggered change of fair water fin (19) two ends length in being communicated with housing oral area at calibrating chamber (1) housing bottom of replacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508293.4U CN204832555U (en) | 2015-07-14 | 2015-07-14 | Generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508293.4U CN204832555U (en) | 2015-07-14 | 2015-07-14 | Generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination |
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| Publication Number | Publication Date |
|---|---|
| CN204832555U true CN204832555U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520508293.4U Withdrawn - After Issue CN204832555U (en) | 2015-07-14 | 2015-07-14 | Generator is synthesized with warm and humid pressure to temperature, humidity and pressure sensor examination |
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| CN (1) | CN204832555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932038A (en) * | 2015-07-14 | 2015-09-23 | 重庆四达试验设备有限公司 | Temperature-humidity-pressure comprehensive generator used for verifying temperature, humidity and pressure sensors |
| CN108170191A (en) * | 2018-01-18 | 2018-06-15 | 北京化工大学 | A kind of PVT accurately controls artificial muscle |
| CN109779907A (en) * | 2019-03-07 | 2019-05-21 | 西安航天动力研究所 | A kind of dry vacuum pump silencer |
-
2015
- 2015-07-14 CN CN201520508293.4U patent/CN204832555U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932038A (en) * | 2015-07-14 | 2015-09-23 | 重庆四达试验设备有限公司 | Temperature-humidity-pressure comprehensive generator used for verifying temperature, humidity and pressure sensors |
| CN108170191A (en) * | 2018-01-18 | 2018-06-15 | 北京化工大学 | A kind of PVT accurately controls artificial muscle |
| CN109779907A (en) * | 2019-03-07 | 2019-05-21 | 西安航天动力研究所 | A kind of dry vacuum pump silencer |
| CN109779907B (en) * | 2019-03-07 | 2023-12-26 | 西安航天动力研究所 | Silencer for dry vacuum pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170908 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151202 Effective date of abandoning: 20170915 |