CN107170554B - Dustproof mesh enclosure of radiator - Google Patents
Dustproof mesh enclosure of radiator Download PDFInfo
- Publication number
- CN107170554B CN107170554B CN201710486368.7A CN201710486368A CN107170554B CN 107170554 B CN107170554 B CN 107170554B CN 201710486368 A CN201710486368 A CN 201710486368A CN 107170554 B CN107170554 B CN 107170554B
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- radiator
- shaped guide
- dustproof
- dust screen
- guide groove
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
According to the dustproof mesh cover for the radiator, the dustproof mesh which can be unfolded, shielded or folded and stacked is arranged in front of the air inlet of the radiator, the pulley and the reversing wheel are arranged through the fixed plate, the winch is driven by the motor control box to retract and release the steel wire rope to control the dustproof mesh to be unfolded upwards or folded downwards and stacked along the U-shaped guide groove, sundries such as dust, grass scraps, poplar flocks and insects are blocked through the dustproof mesh, the adsorption and accumulation of sundries by the radiator fins of the transformer are reduced, the network of the radiator is smooth, and the radiating effect of the radiator is improved; the dustproof mesh cover of the radiator can be folded and unfolded, so that the dustproof mesh cover of the radiator is convenient to assemble, disassemble, clean and maintain; the dustproof net of the radiator adopts an assembled structure, so that the radiator is convenient and simple to install; the installation mode of the dustproof mesh enclosure of the radiator adopts a special C-shaped clamp to be fixedly connected with the radiator, the original radiator structure is not changed, punching and welding processes are not needed in the installation process, and the original component structure of the radiator is not affected.
Description
Technical Field
The invention relates to a dustproof mesh cover of a radiator.
Background
The transformer of the power equipment generates heat during normal working energy conversion, the temperature of the transformer is increased to increase internal consumption, the output efficiency is affected, the transformer is burnt due to overhigh temperature, and the heat must be dissipated through a heat dissipation device to prevent the temperature of the transformer from rising too high; particularly, the radiator of the large-capacity transformer is exposed in the air for a long time, dirt is easily accumulated due to factors such as static electricity, and the like, and in addition, when the powerful fan is used for exhausting, radiating and circulating, foreign matters such as external dust, grass scraps, poplar flocks, insects and the like can be sucked into the rear part of the finned tube to form a layer of flocculent matters, and the radiating of the transformer is influenced after the flocculent matters are accumulated seriously.
Disclosure of Invention
The invention aims to solve the technical problems of providing the radiator dustproof net cover which reduces the adsorption and accumulation of impurities, prevents and reduces the blockage of a radiating network, is convenient to clean and maintain, improves the radiating effect of a radiator, and solves the problem that the original radiator is not influenced and damaged by the installation mode of the radiator dustproof net cover.
The invention discloses a dustproof mesh cover of a radiator, which comprises a dustproof mesh arranged on the radiator and is characterized in that: the dustproof net is arranged in front of the air inlet of the radiator; the top of the radiator is provided with a fixing plate with a roughly L-shaped section, two ends of the top edge of the fixing plate are bent downwards to form an end plate, the end plate is provided with a mounting lug, and the fixing plate is fixedly connected with the radiator frame through the mounting lug; a hoisting pulley is arranged on the inner side of the middle part of the fixed plate, a reversing wheel is arranged on the outer side of the end plate, a tensioning wheel is arranged at the bottom position of the radiator frame below the reversing wheel, a winch is arranged in front of the tensioning wheel, the winch is connected with a motor control box, and the motor control box is arranged at the bottom of the radiator;
the front of the frames at the two sides of the radiator is provided with a U-shaped guide groove, and the two sides of the dust screen are clamped in the U-shaped guide groove and can move up and down along the U-shaped guide groove; at least one lifting hook is arranged at the top of the dust screen, the lifting hook is connected with a steel wire rope, the steel wire rope sequentially bypasses a lifting pulley, a reversing wheel and a tensioning wheel and then is connected to a winch, a motor control box provides rotary power for the winch, the winch can positively rotate and wind up the steel wire rope and drive the dust screen to upwards move along a U-shaped guide groove to be unfolded and blocked in front of an air inlet of a radiator through the lifting hook, or reversely rotate and loosen the steel wire rope, so that the dust screen downwards moves along the U-shaped guide groove to be folded and stacked and then is exposed out of the air inlet of the radiator; a travel switch is arranged on the side edge of the fixed plate, and the travel switch is connected with a motor control box in a communication manner;
the dustproof net comprises a plurality of dustproof plates which are connected end to end through hinges, and the hinges on two sides of each dustproof plate are arranged in a staggered way; the lifting hook is arranged on the upper side edge of the first dust-proof plate on the uppermost layer, can drive the first dust-proof plate to move upwards along the U-shaped guide groove, and sequentially drives the subsequent dust-proof plate to move upwards along the U-shaped guide groove through the hinge to be unfolded and shielded in front of the air inlet of the radiator; when the dustproof net moves downwards, the dustproof plates can be folded in sequence through the hinges and stacked at the bottom of the radiator;
a distance is reserved between the bottom end of the U-shaped guide groove and the supporting leg at the bottom of the radiator, and the distance between the bottom end of the U-shaped guide groove and the supporting leg at the bottom of the radiator is larger than the folded and stacked height of the dust screen;
the motor control box is internally provided with a motor, a control circuit and a speed regulating circuit, and is connected with an external remote controller through wireless communication;
each dust-proof plate comprises a rectangular installation frame, and a screen is arranged in the installation frame;
a U-shaped buffer adhesive tape which is matched with the U-shaped guide groove in shape is arranged in the U-shaped guide groove;
the mounting lugs of the U-shaped guide grooves and the fixing plates are fixedly connected with the radiator frame through C-shaped clamps;
the lower side of the fixed plate is provided with an outward folded edge, the upper edge of the first dust-proof plate at the uppermost layer of the dust-proof net is fixedly connected with a hanging plate, and the hanging hook is connected to the hanging plate;
the mounting frame material is steel.
According to the dustproof mesh cover for the radiator, the dustproof mesh which can be unfolded and blocked or folded and piled up is arranged in front of the air inlet of the radiator of the transformer, sundries such as dust, grass scraps, poplar batting and insects can be blocked by unfolding and blocking the front of the air inlet of the radiator, the adsorption accumulation of the sundries is reduced, the network of the radiator is smooth, the radiating effect of the radiator is improved, the radiator is convenient to disassemble, assemble, clean and maintain after being folded and piled up, the cleaning and maintenance are convenient, the original radiator structure is not changed, punching and welding processes are not needed in the installation process, and the original component structure of the radiator is not affected.
Drawings
Fig. 1 is a schematic perspective view of a dust guard of a radiator according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a dust screen of a radiator according to an embodiment of the present invention after being unfolded;
FIG. 3 is an enlarged schematic view of the top of a three-dimensional structure of a dust screen of a radiator according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the bottom of a three-dimensional structure of a dust guard of a radiator according to an embodiment of the present invention;
fig. 5 is an enlarged schematic view of a dust-proof mesh enclosure of a radiator according to an embodiment of the invention;
fig. 6 is an enlarged schematic view of a plane structure of a dust screen of a radiator according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-6, the dustproof mesh cover of the radiator comprises a dustproof mesh arranged on the radiator 1 of the transformer, wherein the dustproof mesh is arranged in front of an air inlet of the radiator, and impurities such as dust, grass scraps, poplar cotton fibers and insects are blocked by the dustproof mesh, so that the adsorption and accumulation of the impurities by the radiator fins of the transformer are reduced; the top of the radiator 1 is provided with the fixing plate 2 which is approximately L-shaped with the top section of the radiator 1, two ends of the top edge of the fixing plate 2 are bent downwards to form the end plate, the end plate is provided with the mounting lugs, the fixing plate 2 is fixedly connected with the radiator frame through the mounting lugs, the mounting lugs of the fixing plate 2 are fixedly connected with the radiator frame through the C-shaped clamp 4, the punching and welding processes are not required to be added, and the original structure of the radiator frame is not damaged.
The inner side of the middle part of the fixed plate 2 is provided with a lifting pulley 7, the outside of the end plate is provided with a reversing wheel 8, the bottom of the radiator frame below the reversing wheel 8 is provided with a tensioning wheel 16, the front of the tensioning wheel 16 is provided with a winch 11, the winch 11 is connected with a motor control box 10, the motor control box 10 is arranged at the bottom of the radiator, and the radiator frame is arranged on the side face of a supporting leg in this example; the front of the frames at two sides of the radiator is provided with a U-shaped guide groove 3, and two side edges of the dust screen are clamped in the U-shaped guide groove 3 and can move up and down along the U-shaped guide groove 3; the top of the dust screen is provided with at least one lifting hook 13, one lifting hook 13 can be arranged in the middle of the top of the dust screen, two lifting hooks 13 can be arranged at the symmetrical positions of two sides, and one middle lifting hook 13 is also arranged to be combined with two mutually symmetrical lifting hooks 13; the lifting hook 13 is connected with the steel wire rope 9, the steel wire rope 9 sequentially bypasses the lifting pulley 7, the reversing pulley 8 and the tensioning pulley 16 and then is connected to the winch 11, the motor control box 10 provides rotary power for the winch 11, the winch 11 can positively rotate to wind and tighten the steel wire rope 9 and drive the dust screen to move upwards along the U-shaped guide groove 3 to be unfolded and blocked in front of the air inlet of the radiator through the lifting hook 13, or reversely rotate to loosen the steel wire rope 9, so that the dust screen moves downwards along the U-shaped guide groove 3 to be folded and piled up and then expose the air inlet of the radiator; and a travel switch 12 is arranged on the side edge of the fixed plate 2, after the upper edge of the dust screen touches the travel switch 12 when the dust screen moves upwards along the U-shaped guide groove 3, the travel switch 12 is in communication connection with a motor control box 10, the winch 11 is controlled to stop rotating through the motor control box 10, and the dust screen is fixedly shielded in front of an air inlet of the radiator.
The dustproof net comprises a plurality of dustproof plates 5 which are connected end to end through hinges, and hinges 6 on two sides of each dustproof plate 5 are arranged in a positive-to-negative staggered manner; the lifting hook 13 of the embodiment is arranged in the middle position of the upper side edge of the first dust-proof plate 5 at the uppermost layer, the lifting hook 13 drives the first dust-proof plate 5 to move upwards along the U-shaped guide groove 3, and the hinge 6 sequentially drives the subsequent dust-proof plate 5 to move upwards along the U-shaped guide groove 3 to be unfolded and shielded in front of the air inlet of the radiator; when the dustproof net moves downwards, the dustproof plates 5 can be folded in sequence through the hinges 6 and stacked at the bottom of the radiator, and the dustproof net is stacked above the supporting legs, so that the dustproof net is convenient to clean and maintain after being detached; the lower side edge of the fixed plate 2 is square and provided with an outward folded edge which is equivalent to a hat brim structure, and the folded edge is mainly used for installing a travel switch and controlling the lifting height of the dust screen; the lifting plate 15 is fixedly connected to the upper edge of the first dust-proof plate 5 on the uppermost layer of the dust-proof net, the lifting plate 15 is provided with a bending shape which is matched with the lower side edge of the fixed plate 2, the lifting hook is connected to the lifting plate 15, and when the winch drives the lifting hook to drive the dust-proof net to move upwards through the steel wire rope, the upper edge of the lifting plate 15 is contacted with the travel 12 switch, and the travel switch sends out a command signal to control the winch to stop rotating.
The distance between the bottom end of the U-shaped guide groove and the supporting leg at the bottom of the radiator is greater than the folded and stacked height of the dust screen, and the dust screen is provided with a disassembly and installation space, so that the disassembly and installation are convenient.
The motor control box 10 is internally provided with a motor, a control circuit and a speed regulating circuit, a remote controller can be arranged outside the motor control box, the motor control box is connected with an external remote controller through wireless communication, the on-off state of the motor is controlled through the external remote controller, and the rotating speed and the rotating direction of the winch are controlled through the control circuit and the speed regulating circuit; buttons can be arranged outside the motor control box 10, the on-off state of the motor can be controlled through the on-site button operation, and the rotating speed and the rotating direction of the winch can be controlled through a control circuit and a speed regulating circuit.
Each dust guard 5 comprises a rectangular installation frame, a screen is arranged in the installation frame, the installation frame is made of steel, the screen material is fixed according to the field environment and the field state, steel materials or other materials can be adopted, the screen material of the embodiment is made of steel, dust, grass scraps, poplar, insects and other sundries are blocked by the steel screen, and the steel screen has good high temperature resistance and corrosion resistance; the U-shaped buffer adhesive tape which is matched with the U-shaped guide groove in shape is arranged in the U-shaped guide groove, so that collision between the dust screen and the U-shaped guide groove can be buffered, and noise is reduced; the U-shaped guide groove and the mounting lug of the fixing plate are fixedly connected with the radiator frame through the C-shaped clamp, punching and welding processes are not needed, the original component structure of the radiator is not damaged, and the installation is convenient.
According to the dustproof mesh cover for the radiator, the dustproof mesh which can be unfolded and blocked or folded and piled up is arranged in front of the air inlet of the radiator of the transformer, sundries such as dust, grass scraps, poplar battles and insects can be blocked by unfolding and blocking the front of the air inlet of the radiator, the adsorption and accumulation of the sundries by the radiator fins of the transformer are reduced, the network of the radiator is unobstructed, the radiating effect of the radiator is improved, the radiator is convenient to disassemble, assemble, clean and maintain after being folded and piled up, the cleaning and maintenance are convenient, the original radiator structure is not changed, punching and welding processes are not needed in the installation process, and the original component structure of the radiator is not affected.
1. The fan of the radiator of the main transformer can be additionally provided with a dust-proof net before the air intake of the radiator, and impurities such as dust, grass scraps, poplar flocks, insects and the like are filtered.
2. The main transformer dust screen in operation is convenient to assemble, disassemble, clean and maintain.
3. The main transformer can be dustproof and covered at any time and can also be withdrawn from the cover during operation.
4. The control requirements for the dust screen can be folded.
5. The installation of the dustproof net has no structural influence and structural damage to the original assembly of the radiator.
The combined dust screen is formed by combining and processing the steel screen and the steel frame, and has the characteristics of large ventilation quantity, simplicity, attractive appearance and reliable structure. The combined dustproof net is connected end to end by using a hinge, and is installed in a positive and negative way.
According to the dustproof folding assembled special dustproof mesh cover for the radiator of the main transformer, a structure in dustproof use and a structure in which the dustproof assembled special dustproof mesh cover is retracted after the dustproof use are adopted, buffer rubber strips 14 are arranged in the U-shaped guide grooves 3, the U-shaped guide grooves 3 are arranged on the side frames of the two sides of the main transformer radiator 1 body, the C-shaped clamp 4 is arranged and used for fastening the side frames of the two sides of the main transformer radiator 1 body, the combined dustproof mesh moves up and down in the U-shaped guide grooves 3, when the main transformer radiator body needs to be dustproof protection, a motor control box 10 is controlled by a worker in a remote mode, a motor in the motor control box 10 rotates to drive a winch 11 to roll, a lifting steel wire rope 9 on the winch 11 reaches a central lifting pulley 7 through a steel wire tensioning pulley block 16, a lifting steel wire rope 9 pulls or loosens a lifting hook 13 on the lifting steel wire rope 9, the combined dustproof mesh is lifted or loosened again by the lifting hook 13, when the combined dustproof mesh is lifted to a set height, a travel switch 12 arranged on a fixed plate 2 is touched when the combined dustproof mesh is lifted, the motor is automatically stopped, and a self-locking mechanism of the motor is completed.
When the combined dust screen is required to be cleaned and maintained, a worker remotely controls the motor control box 10 to enable the motor to reversely descend, the combined dust screen slowly descends due to self weight, and as each dust screen 5 of the combined dust screen is connected through one positive and one negative mounting of the hinge 6, namely, the front dust screen is mounted in the positive direction by the hinge 6, the lower dust screen is mounted in the reverse direction by the hinge 6, and the combined dust screens can be automatically stacked together automatically or by means of a small amount of external force when falling, so that the combined dust screen is convenient for the worker to take out.
The inner surface of the top plate of the fixed plate 2 is attached to the top of the transformer radiator 1, and the mounting lugs on two sides of the fixed plate 2 are erected on transverse ribs at a slightly lower position of the upper part of the frame of the transformer radiator 1 and are fastened by using C-shaped clamps 4; the U-shaped guide groove 3 is arranged on the side frames of the two sides of the transformer radiator 1, and is fastened with the side frames by using the C-shaped clamp 4; the motor control box 10 is internally provided with a motor, a control circuit and a speed regulating circuit, the motor control box 10 of the embodiment is arranged on a structural member at the bottom of the main transformer radiator, is fixedly connected by using a hoop, is convenient to clean and maintain, does not change the original radiator structure, does not need to increase punching and welding processes in the installation process, and has no influence on the original radiator assembly structure.
Claims (9)
1. The utility model provides a radiator dust screen cover, includes the dust screen that sets up on the radiator of transformer, its characterized in that: the dustproof net is arranged in front of an air inlet of the radiator (1); the top of the radiator (1) is provided with a fixing plate (2) with a roughly L-shaped section, two ends of the top edge of the fixing plate (2) are bent downwards to form an end plate, the end plate is provided with mounting lugs, and the fixing plate (2) is fixedly connected with the radiator frame through the mounting lugs; a lifting pulley (7) is arranged on the inner side of the middle part of the fixed plate (2), a reversing wheel (8) is arranged on the outer side of the end plate, a tensioning wheel (16) is arranged at the bottom position of the radiator frame below the reversing wheel (8), a winch (11) is arranged in front of the tensioning wheel (16), a motor control box (10) is connected with the winch (11), and the motor control box (10) is arranged at the bottom of the radiator (1);
the front of the frames at two sides of the radiator is provided with a U-shaped guide groove (3), and two sides of the dust screen are clamped in the U-shaped guide groove (3) and can move up and down along the U-shaped guide groove (3); at least one lifting hook (13) is arranged at the top of the dustproof net, the lifting hook (13) is connected with a steel wire rope (9), the steel wire rope (9) sequentially bypasses a lifting pulley (7), a reversing wheel (8) and a tensioning wheel (16) and then is connected to a winch (11), a motor control box (10) provides rotary power for the winch (11), the winch (11) can positively rotate to wind and tighten the steel wire rope (9) and drive the dustproof net to upwards move along a U-shaped guide groove (3) to be unfolded and blocked in front of an air inlet of a radiator through the lifting hook (13), or reversely rotate to loosen the steel wire rope (9) so that the dustproof net moves downwards along the U-shaped guide groove (3) to be folded and stacked and then expose the air inlet of the radiator; a travel switch (12) is arranged on the side edge of the fixed plate (2), and the travel switch (12) is in communication connection with the motor control box (10).
2. The radiator dust screen of claim 1, wherein: the dustproof net comprises a plurality of dustproof plates (5) which are connected end to end through hinges (6), and the hinges (6) on two sides of each dustproof plate (5) are arranged in a staggered way; the lifting hook (13) is arranged on the upper side edge of the first dust-proof plate (5) at the uppermost layer, the lifting hook (13) can drive the first dust-proof plate (5) to move upwards along the U-shaped guide groove (3), and the follow-up dust-proof plate (5) is sequentially driven to move upwards along the U-shaped guide groove (3) through the hinge (6) to be unfolded and shielded in front of the air inlet of the radiator; when the dustproof net moves downwards, the dustproof plates (5) can be folded in sequence through the hinges (6) and then stacked at the bottom of the radiator.
3. The radiator dust screen of claim 1, wherein: the distance between the bottom end of the U-shaped guide groove (3) and the supporting leg at the bottom of the radiator is larger than the folded and stacked height of the dust screen.
4. The radiator dust screen of claim 1, wherein: the motor control box (10) is internally provided with a motor, a control circuit and a speed regulating circuit, and the motor control box (10) is connected with an external remote controller through wireless communication.
5. The radiator dust screen of claim 2, wherein: each dust guard (5) comprises a rectangular installation frame, and a screen is arranged in the installation frame.
6. The radiator dust screen of claim 1, wherein: u-shaped buffer rubber strips (14) which are matched with the U-shaped guide grooves (3) in shape are arranged in the U-shaped guide grooves (3).
7. The radiator dust screen of claim 1, wherein: the U-shaped guide groove (3) and the mounting lug of the fixing plate (2) are fixedly connected with the radiator frame through the C-shaped clamp (4).
8. The radiator dust screen of claim 2, wherein: the lower side of the fixed plate (2) is provided with an outward folded edge, the upper edge of the first dustproof plate (5) at the uppermost layer of the dustproof net is fixedly connected with a hanging plate (15), and the hanging hook (13) is connected to the hanging plate (15).
9. The radiator dust screen of claim 5, wherein: the mounting frame material is steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486368.7A CN107170554B (en) | 2017-06-23 | 2017-06-23 | Dustproof mesh enclosure of radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486368.7A CN107170554B (en) | 2017-06-23 | 2017-06-23 | Dustproof mesh enclosure of radiator |
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| Publication Number | Publication Date |
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| CN107170554A CN107170554A (en) | 2017-09-15 |
| CN107170554B true CN107170554B (en) | 2023-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710486368.7A Active CN107170554B (en) | 2017-06-23 | 2017-06-23 | Dustproof mesh enclosure of radiator |
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| CN (1) | CN107170554B (en) |
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| CN107938847A (en) * | 2017-11-14 | 2018-04-20 | 覃其伦 | A kind of environmental-protection coal canopy |
| CN110198036A (en) * | 2019-06-14 | 2019-09-03 | 国网新疆电力有限公司喀什供电公司 | A kind of comprehensive harmonic elimination apparatus and its harmonic elimination method |
| CN110360196A (en) * | 2019-07-23 | 2019-10-22 | 国网江苏省电力有限公司检修分公司 | A kind of guide assembly |
| CN110474394B (en) * | 2019-08-21 | 2020-10-30 | 深圳睿蚁科技有限公司 | Heat dissipation formula charger |
| CN112594741A (en) * | 2020-12-23 | 2021-04-02 | 危晶英 | Energy-saving gas stove capable of reducing heat loss |
| CN116474479B (en) * | 2023-04-27 | 2024-03-15 | 深圳同创新科技工程有限公司 | Air quality detection system and detection method based on environmental protection |
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| CN204034460U (en) * | 2014-08-18 | 2014-12-24 | 国家电网公司 | Transformer cooler dustproof filtering device |
| CN205004133U (en) * | 2015-10-12 | 2016-01-27 | 国网新疆电力公司检修公司 | Be suitable for 750 kilovolts of main transformer cooling arrangement's of transformer substation dust keeper |
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- 2017-06-23 CN CN201710486368.7A patent/CN107170554B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202615971U (en) * | 2012-04-01 | 2012-12-19 | 山西太钢不锈钢股份有限公司 | Transformer radiator dust-proof device |
| CN203038748U (en) * | 2012-12-11 | 2013-07-03 | 山东电力集团公司济宁供电公司 | Protective cover apparatus for forced-oil circulation cooler |
| CN204034460U (en) * | 2014-08-18 | 2014-12-24 | 国家电网公司 | Transformer cooler dustproof filtering device |
| CN205004133U (en) * | 2015-10-12 | 2016-01-27 | 国网新疆电力公司检修公司 | Be suitable for 750 kilovolts of main transformer cooling arrangement's of transformer substation dust keeper |
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Inventor after: Zhang Zhaojun Inventor after: Qian Cong Inventor after: Ji Junpeng Inventor after: Wang Di Inventor after: Dai Jie Inventor after: Tang Xiaozheng Inventor after: Yu Chunlei Inventor after: Wu Xingquan Inventor after: Hua Wei Inventor after: Zhou Binquan Inventor after: Cheng Shiping Inventor after: Yang Guisheng Inventor after: Wang Zhijun Inventor before: Zhang Zhaojun Inventor before: Qian Cong Inventor before: Ji Junpeng Inventor before: Wang Di Inventor before: Dai Jie Inventor before: Tang Xiaozheng Inventor before: Yu Chunlei Inventor before: Wu Xingquan Inventor before: Hua Wei Inventor before: Zhou Binquan Inventor before: Chen Shiping Inventor before: Yang Guisheng Inventor before: Wang Zhijun |
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