CN201751835U - Natural atmosphere aging exposing-accelerating test device capable of tracking the sun - Google Patents
Natural atmosphere aging exposing-accelerating test device capable of tracking the sun Download PDFInfo
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- CN201751835U CN201751835U CN2010202211428U CN201020221142U CN201751835U CN 201751835 U CN201751835 U CN 201751835U CN 2010202211428 U CN2010202211428 U CN 2010202211428U CN 201020221142 U CN201020221142 U CN 201020221142U CN 201751835 U CN201751835 U CN 201751835U
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- vertical rotating
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- rotating shaft
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Abstract
The utility model discloses a natural atmosphere aging exposing-accelerating test device capable of tracking the sun, which is mainly used for accelerating test devices for naturally aging various non-metal materials and mainly comprises parts such as an automatic sun tracking device, a sample rack, a sun radiation meter, a blackboard temperature meter, a surface wetting sensor, a corresponding recorder, an electric control box and the like. The natural atmosphere aging exposing-accelerating test device can enable a tested sample to receive more sun radiation than that placed traditionally; simultaneously, the temperature of the sample is higher, thus accelerating the aging process; in addition, during the process, the sun radiation, the sample surface temperature and surface wetting test are recorded in real time, thus providing detailed and accurate references for researching the durability of the sample under natural conditions by test.
Description
Technical field
The utility model relates to a kind of acceleration test apparatus that is used for nonmetallic materials such as plastics, rubber, coating and goods unaccelerated aging, belongs to the testing equipment category, relates in particular to a kind of aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun.
Background technology
Nonmetallic materials such as plastics, rubber, coating and goods in use can wear out gradually, these nonmetallic materials and the goods of especially outdoor use, be subjected to long-term Exposure to Sunlight wind and weather, various performances are being degenerated gradually, serious meeting loses use value, so permanance is important techniques performance requirements for these materials.The means of nonmetallic materials such as examination plastics, rubber, coating and goods permanance mainly are the environmental exposure tests.These environmental tests comprise physical environment exposure test and artificial environment exposure test, and these two kinds of environmental exposure tests cut both ways.The nature exposure test is to carry out under selected natural environmental condition, and environmental factor is objective, true, as long as selected test condition is identical or close with product expection environment for use condition, test findings just has very high confidence level.And manual simulation's environmental test is the simulation to physical environment, and often to simulation indivedual or the several environments factor, but test condition is controlled, the good reproducibility of test.Although modern artificial simulated environmental test technology has reached very high level, be subject to height and expensive testing expenses that modern science and technology can reach, manual simulation's environmental test can not substitute the nature exposure test at present fully on using.The nature exposure test its limitation also arranged: the environmental factor in the natural exposure test is a nature, they generally be not subjected to manually operated.Disturbing factor is also many in the nature exposure test process, as typhoon etc.With respect to the artificial environment exposure test, the time of natural exposure test can be longer.So at the weakness of natural exposure test, people are attempting to improve nature exposure test technology all the time.In the research that exposes naturally aspect the accelerated test is one of them.
Exposing naturally aspect the accelerated test, corresponding research is all arranged both at home and abroad, produced some practical test method and test units.Present natural exposure test device, comparatively commonly used has: solar tracking acceleration test apparatus etc. under solar tracking optically focused acceleration test apparatus, the glass.The solar tracking acceleration test apparatus is used for test under the glass, that accept the nonmetallic materials of influenced by solar in the middle of the use under the glass.Solar tracking optically focused acceleration test apparatus can be used for directly being subjected to the test of the nonmetallic materials of environmental influence, and it is higher to quicken multiplying power, but what test specimen was accepted is the reflected light of the sun, and the quality of light is vulnerable to the influence of reflecting mirror material degree of aging in reflecting mirror material quality and the use.Be subjected to the restriction of optically focused target surface size in addition, test specimen is confined to less size.
The utility model content
The purpose of this utility model is to provide a kind of aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun, this device can make test specimen receive more solar radiation than the test unit of traditional fixed placement, make the sample self-temperature higher, thereby accelerate the sample ageing process, and in this process, real time record is carried out in solar radiation, sample surfaces temperature and moistened surface test, for the permanance under natural environmental condition of experimental study sample provides full and accurate foundation.
The purpose of this utility model can realize by following technical measures:
A kind of aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun, comprise specimen holder, it is characterized in that: also comprise vertical rotating mechanism, horizontal rotary mechanism and driving mechanism, be respectively equipped with vertical rotating shaft and feathering axis in described vertical rotating mechanism and the horizontal rotary mechanism, the rotation of described vertical rotating shaft of described driving mechanisms control and feathering axis; Wherein, described vertical rotating mechanism links to each other with the feathering axis of described horizontal rotary mechanism, and rotates along with the rotation of feathering axis; Described specimen holder is located on the described vertical rotating mechanism, and rotates along with the rotation of vertical rotating shaft.
Described specimen holder comprises two specimen holders, and described two specimen holders are installed on the two ends of described vertical rotating shaft respectively.
Described specimen holder comprises two montants and plurality of cross bars, and described cross bar is arranged in parallel and the spacing scalable, and described specimen holder is held between the described cross bar.
Described cross bar side is provided with the groove that is used to insert sample, and the two ends of described cross bar are fixed on the described montant by holding screw and wing nut.
The surface wettability sensor that also is provided with blackboard temperature meter, solar radiation table on the described specimen holder and is used for the surface moisture of test sample, described blackboard temperature meter, solar radiation table and table and Wetness sensors is connected with registering instrument by data line respectively.
Described vertical rotating mechanism comprises a fixed mount, be provided with vertical rotating shaft, motor, speed reduction unit and bearing seat in the described fixed mount, described vertical rotating shaft is supported by described bearing seat, and stretch out respectively outside the both sides of described fixed mount at the two ends of described vertical rotating shaft, described specimen holder is installed on the two ends of described vertical rotating shaft, and a described speed reduction unit is by a described motor-driven and drive described vertical rotating shaft and the specimen holder rotation.
The transition axis that coupling shaft in the middle of described vertical rotating shaft comprises and two ends connect, described transition axis is connected by latch with described coupling shaft, and described transition axis places on the described bearing seat, and described specimen holder is installed on respectively on described two transition axises.
Described horizontal rotary mechanism comprises a bearing, be provided with feathering axis, No. two motors, No. two speed reduction units and bearing seat in the described bearing, described feathering axis places on the described bearing seat, one end of described feathering axis links to each other with described No. two speed reduction units, the other end stretches out the front end of described bearing and links to each other with the fixed mount of described vertical rotating mechanism, and described No. two speed reduction units are by described No. two motor-driven and drive described feathering axis and whole vertical rotating mechanism rotation.Described bearing links to each other with the cement pedestal of fixing.
Described driving mechanism comprises light sensation sensor and electric cabinet, described light sensation sensor is passed to electric cabinet with the illumination signal that receives, described electric cabinet is controlled the rotation amplitude of a described motor or No. two motor rotations according to the illumination signal magnitude, thereby make horizontal rotating shaft or vertical rotation axis rotate corresponding amplitude, finally drive specimen holder and rotate and make sample on the specimen holder over against sunlight.
Described light sensation sensor is installed between two specimen holders of described specimen holder.
This device compared with prior art has following beneficial effect:
1, this device passes through from morning to night the sun to be implemented to follow the tracks of, thereby makes sample fully accept to shine upon, and can receive more solar radiation than the device of fixed placement, makes the sample self-temperature higher to accelerate the aging purpose of sample simultaneously;
2, be provided with solar radiation quantity, blackboard temperature and the measurement of moistened surface time and recording mechanism (registering instrument) in this device, main burn-in effects factor---the concrete detection data of solar radiation, temperature, moisture in can detail record specimen test process are for the permanance under natural environmental condition of experimental study sample provides full and accurate foundation;
3, in addition, the relative one type of prior art syringe of area of this device acceptable test specimen is big, and shape also needn't be very regular, thereby has suitably reduced the requirement to the test pole stock.
Description of drawings
Fig. 1 is the aging accelerated tests device front view that exposes of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 2 is the aging accelerated tests device side view that exposes of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 3 is the aging structural representation that exposes a specimen holder of accelerated tests device of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 4 is the aging partial view that exposes the specimen holder of accelerated tests device of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 5 is a sample scheme of installation in the aging specimen holder that exposes the accelerated tests device of the natural atmosphere of following the tracks of the sun of the present utility model
Fig. 6 is the aging front view that exposes the vertical rotating mechanism of accelerated tests device of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 7 is the aging inner structure synoptic diagram that exposes the vertical rotating mechanism of accelerated tests device of natural atmosphere of following the tracks of the sun of the present utility model;
Fig. 8 is the aging front view that exposes the horizontal rotary mechanism of accelerated tests device of natural atmosphere of following the tracks of the sun of the present utility model.
Embodiment
Fig. 1 to Fig. 2 shows the aging accelerated tests device one-piece construction that exposes of natural atmosphere of following the tracks of the sun of the present utility model, and this device comprises specimen holder 1, vertical rotating mechanism 6, horizontal rotary mechanism 7 and driving mechanism.Be respectively equipped with vertical rotating shaft and feathering axis, the rotation of described vertical rotating shaft of driving mechanisms control and feathering axis in vertical rotating mechanism and 6 horizontal rotary mechanisms 7; Wherein, vertical rotating mechanism links to each other with the feathering axis of horizontal rotary mechanism, and rotates along with the rotation of feathering axis; Specimen holder is fixed on the vertical rotating mechanism by specimen holder bracing frame 8, and rotates along with the rotation of vertical rotating shaft.
To shown in Figure 5, this specimen holder 1 comprises two specimen holders as Fig. 3, and two specimen holders are installed on the two ends of vertical rotating shaft respectively.As shown in Figure 3, this specimen holder comprises two montants 15 and plurality of cross bars 16, in order to adapt to the sample 14 of different sizes, this cross bar 16 is arranged in parallel and the spacing scalable, thereby sample 14 can be clamped between the cross bar 16, and cross bar 16 sides are provided with the groove that is used to insert sample, and sample 14 inserts in groove, and be fixed on the montant 15 by the holding screw 12 and the wing nut 13 at the two ends of cross bar 16, wing nut 13 is provided with liner 11 with cross bar 16.This specimen holder can mount on vertical rotating mechanism 6 by linking up with 18, and hook 18 is installed on the back side of specimen holder by screw 17.The surface wettability sensor 5 that also is provided with blackboard temperature meter 2, solar radiation table 3, light sensation sensor 4 on this specimen holder 1 and is used for the surface moisture of test sample, wherein, light sensation sensor 4 links to each other with driving mechanism and the sunshine illumination signal that senses is passed to driving mechanism, in addition, blackboard temperature meter 2, solar radiation table 3 and surface wettability sensor 5 can be connected with registering instrument respectively, are used to write down test figure.
Extremely shown in Figure 7 as Fig. 6, this vertical rotating mechanism 6 comprises a fixed mount 214, be provided with vertical rotating shaft in the fixed mount 214, a motor 26, vertical rotation axis speed reduction unit 24 and bearing seat 22, the transition axis 21 that coupling shaft 25 in the middle of vertical rotating shaft comprises and coupling shaft two ends connect, transition axis 21 is connected by latch 23 with coupling shaft 25, transition axis 21 is installed on the bearing seat 22, support by bearing seat, two transition axises 21 stretch out respectively outside the two ends of fixed mount 214, and link to each other with a specimen holder respectively, vertical rotation axis speed reduction unit 24 and a motor 26 are installed in the fixed mount 214 by the fixedly angle bar 213 that is installed on fixed mount 214 bottoms.No. one motor 26 links to each other with a speed reduction unit 24 by motor terminal pad 212.Speed reduction unit is by a motor-driven and drive vertical rotating shaft and specimen holder rotates.
As shown in Figure 8, horizontal rotary mechanism 7 comprises a bearing, this bearing comprises upper bracket 32 and the undersetting 37 that is connected, the end of this undersetting 37 links to each other with the cement pedestal of fixing 10, the other end links to each other with upper bracket 32 by screw rod 36, this upper bracket 32 has the outer wall construction of tubular structure, be provided with motor 35 in the upper bracket No. two, No. two speed reduction units 34, No. two motor 35 links to each other with No. two speed reduction units 34 by motor terminal pad 39, these No. two speed reduction units 34 are fixed on the upper bracket by bolt 33, be provided with bearing 31 and the feathering axis 38 that places on the bearing 31 in the upper bracket 32, one end of feathering axis 38 links to each other with No. two speed reduction units 34, and the other end stretches out the front end of upper bracket 32 and links to each other with the installing plate 211 of vertical rotating mechanism 6.No. two speed reduction units are by No. two motor-driven and drive feathering axis and whole vertical rotating mechanism rotates.
Driving mechanism comprises light sensation sensor 4 and electric cabinet 9, electric cabinet can be installed on the bearing outside of horizontal rotary mechanism, the mobile change information of light sensation sensor 4 record solar light, and data are passed to electric cabinet 9, electric cabinet 9 is controlled the rotation amplitude and the angle of a motor 26 and No. two motors 35 according to light sensation sensor 4 resulting illumination signals, and drive vertical rotating shaft and feathering axis rotation by a speed reduction unit and No. two speed reduction units respectively, thereby make sample on the specimen holder all the time over against sunlight, thereby realize that this sample can access the solar radiation of maximum in the limited time, simultaneously, this driving mechanism can be noted blackboard temperature meter 2 simultaneously, the data that solar radiation table 3 and surface wettability sensor 5 are measured are for the permanance under natural environmental condition of experimental study sample provides full and accurate foundation.
The aging exposure of the natural atmosphere accelerated tests device of following the tracks of the sun of the present utility model is not limited to the frame mode of above-mentioned embodiment; suitable modification, replacement or the change done according to the ordinary skill knowledge in this professional domain and customary means on design philosophy of the present utility model all drop within the rights protection scope of the present utility model.
Claims (10)
1. aging accelerated tests device that exposes of the natural atmosphere that can follow the tracks of the sun, comprise specimen holder, it is characterized in that: also comprise vertical rotating mechanism, horizontal rotary mechanism and driving mechanism, be respectively equipped with vertical rotating shaft and feathering axis in described vertical rotating mechanism and the horizontal rotary mechanism, the rotation of described vertical rotating shaft of described driving mechanisms control and feathering axis; Wherein, described vertical rotating mechanism links to each other with the feathering axis of described horizontal rotary mechanism, and rotates along with the rotation of feathering axis; Described specimen holder is located on the described vertical rotating mechanism, and rotates along with the rotation of vertical rotating shaft.
2. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 1, it is characterized in that: described specimen holder comprises two specimen holders, described two specimen holders are installed on the two ends of described vertical rotating shaft respectively.
3. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 2, it is characterized in that: described specimen holder comprises two montants and plurality of cross bars, described cross bar is arranged in parallel and the spacing scalable, and described specimen holder is held between the described cross bar.
4. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 3, it is characterized in that: described cross bar side is provided with the groove that is used to insert sample, and the two ends of described cross bar are fixed on the described montant by holding screw and wing nut.
5. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 1, it is characterized in that: the surface wettability sensor that also is provided with blackboard temperature meter, solar radiation table on the described specimen holder and is used for the surface moisture of test sample, described blackboard temperature meter, solar radiation table and surface wettability sensor are connected with registering instrument by data line respectively.
6. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 1, it is characterized in that: described vertical rotating mechanism comprises a fixed mount, be provided with vertical rotating shaft in the described fixed mount, a motor, speed reduction unit and bearing seat, described vertical rotating shaft is supported by described bearing seat, and stretch out respectively outside the both sides of described fixed mount at the two ends of described vertical rotating shaft, described specimen holder is installed on the two ends of described vertical rotating shaft, and a described speed reduction unit is by a described motor-driven and drive described vertical rotating shaft and the specimen holder rotation.
7. the aging accelerated tests that exposes of natural atmosphere of following the tracks of the sun according to claim 6 is adorned again, it is characterized in that: the transition axis that coupling shaft in the middle of described vertical rotating shaft comprises and two ends connect, described transition axis is connected by latch with described coupling shaft, described transition axis places on the described bearing seat, and described specimen holder is installed on respectively on described two transition axises.
8. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 1, it is characterized in that: described horizontal rotary mechanism comprises a bearing, be provided with feathering axis in the described bearing, No. two motors, No. two speed reduction units and bearing seat, described feathering axis places on the described bearing seat, one end of described feathering axis links to each other with described No. two speed reduction units, the other end stretches out the front end of described bearing and links to each other with the fixed mount of described vertical rotating mechanism, and described No. two speed reduction units are by described No. two motor-driven and drive described feathering axis and whole vertical rotating mechanism rotation.
9. according to claim 1 or the 6 or 8 described aging accelerated tests devices that expose of natural atmosphere of following the tracks of the sun, it is characterized in that: described driving mechanism comprises light sensation sensor and electric cabinet, described light sensation sensor is passed to electric cabinet with the illumination signal that receives, and described electric cabinet is controlled the rotation amplitude of a described motor or No. two motor rotations according to the illumination signal magnitude.
10. the aging accelerated tests device that exposes of natural atmosphere of following the tracks of the sun according to claim 9, it is characterized in that: described light sensation sensor is installed between two specimen holders of described specimen holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202211428U CN201751835U (en) | 2010-06-07 | 2010-06-07 | Natural atmosphere aging exposing-accelerating test device capable of tracking the sun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202211428U CN201751835U (en) | 2010-06-07 | 2010-06-07 | Natural atmosphere aging exposing-accelerating test device capable of tracking the sun |
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| CN201751835U true CN201751835U (en) | 2011-02-23 |
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| CN2010202211428U Expired - Lifetime CN201751835U (en) | 2010-06-07 | 2010-06-07 | Natural atmosphere aging exposing-accelerating test device capable of tracking the sun |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539307A (en) * | 2011-07-12 | 2012-07-04 | 浙江华电器材检测研究所 | Light aging testing method for composite core rod |
| CN103364329A (en) * | 2012-04-10 | 2013-10-23 | 珠海格力电器股份有限公司 | Special tool for natural exposure test |
| CN103424353A (en) * | 2013-07-26 | 2013-12-04 | 宿迁联盛化学有限公司 | Full-automatic intelligent exposure rack |
| CN104296888A (en) * | 2014-09-24 | 2015-01-21 | 中国电器科学研究院有限公司 | High polymer material aging effective temperature calculating method for predicting service life |
| CN104614303A (en) * | 2015-01-15 | 2015-05-13 | 中国电器科学研究院有限公司 | Method for evaluating weather resistance of automotive interior part by adopting sun-tracking condensation accelerated exposure test |
| CN105424585A (en) * | 2015-12-04 | 2016-03-23 | 浙江华电器材检测研究所 | Method for testing natural aging of helmet |
| CN106802273A (en) * | 2015-10-01 | 2017-06-06 | 韩国建设生活环境试验研究院 | Expose the open field test equipment for accelerating |
| CN107876349A (en) * | 2017-12-22 | 2018-04-06 | 奥音科技（镇江）有限公司 | Diaphragm of loudspeaker component for automatic flexible manufacturing line solidifies drying unit |
| CN109580465A (en) * | 2018-12-12 | 2019-04-05 | 中国兵器工业第五九研究所 | A kind of natural environment acceleration test apparatus and its application method for strengthening photo-thermal effect |
| DE102019205598A1 (en) * | 2019-04-17 | 2020-10-22 | Zf Friedrichshafen Ag | Method for determining a reduction in the service life of a machine part, environment detection system of a vehicle and computer program |
| WO2022183691A1 (en) * | 2021-03-02 | 2022-09-09 | 中国电器科学研究院股份有限公司 | High-acceleration aging test device and method for high polymer material |
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2010
- 2010-06-07 CN CN2010202211428U patent/CN201751835U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102539307B (en) * | 2011-07-12 | 2013-12-25 | 浙江华电器材检测研究所 | Light aging testing method for composite core rod |
| CN102539307A (en) * | 2011-07-12 | 2012-07-04 | 浙江华电器材检测研究所 | Light aging testing method for composite core rod |
| CN103364329A (en) * | 2012-04-10 | 2013-10-23 | 珠海格力电器股份有限公司 | Special tool for natural exposure test |
| CN103424353B (en) * | 2013-07-26 | 2015-10-28 | 宿迁联盛化学有限公司 | A kind of Full-automatic intelligent exposure rack |
| CN103424353A (en) * | 2013-07-26 | 2013-12-04 | 宿迁联盛化学有限公司 | Full-automatic intelligent exposure rack |
| CN104296888B (en) * | 2014-09-24 | 2017-02-15 | 中国电器科学研究院有限公司 | High polymer material aging effective temperature calculating method for predicting service life |
| CN104296888A (en) * | 2014-09-24 | 2015-01-21 | 中国电器科学研究院有限公司 | High polymer material aging effective temperature calculating method for predicting service life |
| CN104614303A (en) * | 2015-01-15 | 2015-05-13 | 中国电器科学研究院有限公司 | Method for evaluating weather resistance of automotive interior part by adopting sun-tracking condensation accelerated exposure test |
| CN106802273A (en) * | 2015-10-01 | 2017-06-06 | 韩国建设生活环境试验研究院 | Expose the open field test equipment for accelerating |
| CN106802273B (en) * | 2015-10-01 | 2019-12-31 | 韩国建设生活环境试验研究院 | Outdoor test equipment with accelerated exposure |
| CN105424585A (en) * | 2015-12-04 | 2016-03-23 | 浙江华电器材检测研究所 | Method for testing natural aging of helmet |
| CN107876349A (en) * | 2017-12-22 | 2018-04-06 | 奥音科技（镇江）有限公司 | Diaphragm of loudspeaker component for automatic flexible manufacturing line solidifies drying unit |
| CN109580465A (en) * | 2018-12-12 | 2019-04-05 | 中国兵器工业第五九研究所 | A kind of natural environment acceleration test apparatus and its application method for strengthening photo-thermal effect |
| DE102019205598A1 (en) * | 2019-04-17 | 2020-10-22 | Zf Friedrichshafen Ag | Method for determining a reduction in the service life of a machine part, environment detection system of a vehicle and computer program |
| WO2022183691A1 (en) * | 2021-03-02 | 2022-09-09 | 中国电器科学研究院股份有限公司 | High-acceleration aging test device and method for high polymer material |
| GB2618710A (en) * | 2021-03-02 | 2023-11-15 | China National Electric Apparatus Res Institute Co Ltd | High-acceleration aging test device and method for high polymer material |
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Owner name: GUANGZHOU VKAN CERTIFICATION + TESTING CO., LTD. Free format text: FORMER OWNER: GUANGZHOU ELECTRICAL EQUIPMENT SCIENTIFIC RESEARCH INST. Owner name: CHINA NATIONAL ELECTRIC APPARATUS RESEARCH INSTITU Free format text: FORMER OWNER: CHINA NATIONAL ELECTRIC APPARATUS RESEARCH INSTITUTE Effective date: 20110810 |
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Effective date of registration: 20110810 Address after: 510302 Xingang West Road, Guangdong, China, No. 204, No. Co-patentee after: Guangzhou Vkan Certification & Testing Co.,Ltd. Patentee after: China National Electric Apparatus Research Institute Co., Ltd. Address before: 510302 Xingang West Road, Guangdong, China, No. 204, No. Co-patentee before: Guangzhou Electrical Equipment Scientific Research Inst. Patentee before: China National Electric Apparatus Research Institute |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510302 Xingang West Road, Guangdong, China, No. 204, No. Co-patentee after: Vkan Certification and Testing Co., Ltd. Patentee after: China National Electric Apparatus Research Institute Co., Ltd. Address before: 510302 Xingang West Road, Guangdong, China, No. 204, No. Co-patentee before: Guangzhou Vkan Certification & Testing Co.,Ltd. Patentee before: China National Electric Apparatus Research Institute Co., Ltd. |
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| CP03 | Change of name, title or address |
Address after: 510302 No. 204 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Co-patentee after: Vkan Certification and Testing Co., Ltd. Patentee after: China Electrical Appliance Research Institute Co., Ltd. Address before: 510302 No. 204 West Xingang Road, Guangdong, Guangzhou Co-patentee before: Vkan Certification and Testing Co., Ltd. Patentee before: China National Electric Apparatus Research Institute Co., Ltd. |
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