CN113910999A - Integrated valve pump assembly device and pneumatic adjusting system for automobile seat - Google Patents
Integrated valve pump assembly device and pneumatic adjusting system for automobile seat Download PDFInfo
- Publication number
- CN113910999A CN113910999A CN202111289309.3A CN202111289309A CN113910999A CN 113910999 A CN113910999 A CN 113910999A CN 202111289309 A CN202111289309 A CN 202111289309A CN 113910999 A CN113910999 A CN 113910999A
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- Prior art keywords
- overflow
- micropore
- pump assembly
- integrated valve
- assembly apparatus
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/665—Lumbar supports using inflatable bladders
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/914—Hydro-pneumatic adjustments of the shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/976—Details or parts not otherwise provided for massaging systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/986—Side-rests
- B60N2/99—Side-rests adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The application discloses integral type valve pump assembly device includes: the air supply device comprises a pump body part for supplying air and at least one valve group part connected with the pump body part; a gas distribution layer is arranged at the joint of the pump body part and the valve group part, a micropore overflow channel is arranged on the gas distribution layer, one end of the micropore overflow channel is communicated with the inside of the pump body part, and the other end of the micropore overflow channel is communicated with the outside atmosphere; the device can effectively dissipate heat generated during actuation, thereby preventing the internal temperature from being too high, leading to component aging and prolonging the service life. The application also discloses a pneumatic adjustment system for car seat, include an integral type valve pump assembly device, still include at least one gasbag body and connecting line.
Description
Technical Field
The present disclosure relates generally to the field of automotive pneumatic control technology, and more particularly to an integrated valve pump assembly device and a pneumatic adjustment system for an automotive seat.
Background
In a vehicle seat, a pneumatic control system for the vehicle seat is generally provided, which is constituted by a pump body portion and a valve block portion located at an upper end of the pump body portion. Compared with the prior pneumatic control system with the air pump and the air valve controller separated, the pump valve assembly has the technical advantages of low cost, compact structure and easy arrangement in the internal space of a narrow seat; when the pneumatic system works, the pump body part is used as the air flow generated by the air source body and enters the control valve of each air path of the valve group part through the air distribution layer.
However, in this technique, since the air pump and the pneumatic electromagnetic control element are integrated at the same time, there is often caused a problem of heat dissipation during actuation, such as pneumatic operation such as a long-time massage function of a multi-air bag body, pneumatic waist support body position adjustment of a large-sized air bag body, pneumatic leg support adjustment, and the like. Most of the gas circuit control valve group of the integrated pump valve is covered by the containing shell; the situation that the heat is difficult to be dissipated and the internal accumulated temperature rises is more obvious. The long-time action can lead to the problem that the heat accumulation of the integrated pump valve assembly is difficult to dissipate, and the service life of the system can be seriously influenced by accelerating the electrical aging of the control valve set containing the plastic device.
Disclosure of Invention
In view of the above-mentioned deficiencies or inadequacies in the prior art, it would be desirable to provide an integrated valve pump assembly apparatus and pneumatic adjustment system for an automotive seat.
An integrated valve pump assembly apparatus, comprising: the air supply device comprises a pump body part for supplying air and at least one valve group part connected with the pump body part; and a gas distribution layer is arranged at the joint of the pump body part and the valve group part, a micropore overflow channel is arranged on the gas distribution layer, one end of the micropore overflow channel is communicated with the inside of the pump body part, and the other end of the micropore overflow channel is communicated with the outside atmosphere.
According to the technical scheme provided by the embodiment of the application, the gas distribution layer is provided with an overflow groove, and the overflow groove is communicated with the interior of the micropore overflow channel.
According to the technical scheme provided by the embodiment of the application, the air-permeable damping body is arranged in the overflow groove.
According to the technical scheme provided by the embodiment of the application, the valve assembly further comprises a containing shell, wherein the containing shell is arranged on the outer side of the valve assembly in a coating mode, and the micropore overflow channel is arranged inside the containing shell.
According to the technical scheme provided by the embodiment of the application, the containing shell is provided with a shell overflow hole communicated with the outside.
According to the technical scheme provided by the embodiment of the application, the device further comprises a silencing sheath arranged on the outer sides of the pump body part and the containing shell, the silencing sheath is arranged in a closed mode, and at least one air release channel is arranged on the silencing sheath; the noise reduction jacket is used for isolating noise.
According to the technical scheme provided by the embodiment of the application, the micropore overflow channel is arranged into one or more than one.
According to the technical scheme provided by the embodiment of the application, the total overflow cross section area of the micropore overflow channel is compared with the cross section area of the air outlet of the pump body part, and the overflow proportion is less than 5%.
According to the technical scheme provided by the embodiment of the application, the total cross-sectional area of the micropore overflow channel is not more than 0.2 square millimeter.
A pneumatic adjusting system for an automobile seat comprises the integrated valve pump assembly device, at least one air bag body and a connecting pipeline.
In summary, the technical scheme of the application can better solve the heating problem by arranging the micro-pore overflow channel; when the device is used, the micropore overflow channel and the overflow channel are arranged at the front end of each pneumatic valve body of the valve group part, so that the air pressure leakage of an air passage and a pneumatic cavity controlled by each pneumatic valve body is not influenced, and the function actuation of each pneumatic loop is not influenced; during actuation, the trickle flow flowing out of the micropore overflow channel can flow out of the internal space of the valve group part through the gaps in the valve group part at the air outlet of each air passage valve group; at this time, the outflow air flow also takes away heat generated by the operation of the valve assembly portion, and the exhaust hot air flow flows into the atmosphere in the vehicle.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3-5 are schematic structural diagrams of the present application.
Reference numbers in the figures: 1. a pump body portion; 2. a valve group part; 3. a housing; 4. a gas distribution layer; 5. a micro-pore spillway; 6. an overflow trough; 7. a housing overflow aperture; 8. a sound-deadening sheath; 9. an air escape channel; 10. a breathable damping body.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example one
An integrated valve pump assembly apparatus, comprising: the air supply device comprises a pump body part 1 for supplying air, and at least one valve group part 2 connected with the pump body part 1; the pump body part 1 is provided with a gas distribution layer 4 at the joint with the valve group part 2, the gas distribution layer 4 is provided with a micropore overflow channel 5, one end of the micropore overflow channel 5 is communicated with the inside of the pump body part 1, and the other end is communicated with the outside atmosphere.
When the device is used, as shown in fig. 1-3, the micropore overflow channels 5 and the overflow channels 6 are arranged at the front ends of the air inlets of the pneumatic valve bodies of the valve group part 2, the air paths from the air distribution layer 4 to the front ends of the air inlets of the valve group part 2 are communicated (at this time, the pump body part 1 can output high-pressure air), and at least one micropore overflow channel 5 can be arranged at any position on the whole air path; when the air pressure is high, the speed of the gas passing through the micropore overflow channel 5 is increased under the influence of the pressure, the overflowing gas is increased, and the pressure of the gas distribution layer 4 and the air inlet end of the valve group part 2 is regulated to be stabilized in a certain range; on the contrary, when the air pressure is relatively low, the gas velocity passing through the micropore overflow channel 5 is reduced, the volume of the overflowing gas is reduced, and the pressure of the gas distribution layer 4 and the air inlet end of the valve group part 2 is regulated to be stabilized in a certain range; the pump body part 1 continuously generates gas, the gas overflowing is limited under the influence of the area of the micropore overflow channel 5, the overflowing gas is smaller than the gas generated by the pump body part 1, and the function action of each pneumatic loop cannot be influenced; during actuation, the trickle flow flowing out of the micropore overflow channel 5 can overflow through the gaps positioned at the air outlets of the air circuit valve blocks in the valve group part 2 and flow out of the inner space of the valve group part 2 through the gaps on the containing shell 3; at this time, the outflow air flow also takes away the heat generated by the valve group part 2 when in operation, and the exhausted hot air flow flows into the atmosphere in the vehicle; the gas supply quantity of the valve group part 2 by the pump body part 1 is not obviously influenced by controlling the size of the gap of the micropore overflow channel 5, and the overflow quantity of the micropore overflow channel 5 is not more than 5% of the gas transmission quantity of the valve group part 2; the air pump in the pump body part 1 can be a diaphragm pump, a plunger pump or an impeller pump, the valve group part 2 is at least provided with a two-position three-way electromagnetic valve, a memory alloy controlled valve body or a two-position three-way electronic valve group connected in series, as shown in fig. 5, the valve group part 2 is formed by communicating a two-position two-way electromagnetic valve and a two-position three-way electromagnetic valve, the functions of inflation, deflation and pressure maintaining can be realized, and meanwhile, the valve body controlled by the memory alloy can be used.
In conclusion, the device can effectively dissipate heat generated during actuation, thereby preventing the internal temperature from being overhigh and causing the aging of components and prolonging the service life.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the gas distribution layer 4 is provided with an overflow groove 6, and the overflow groove 6 is communicated with the inside of the micropore overflow channel 5.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the overflow groove 6 is internally provided with a ventilation damping body 10.
In the present embodiment, as shown in fig. 1 to 3, the gas flows through the overflow tank 6 via the micropore overflow 5 and then flows into the atmosphere via the gas-permeable damping body 10, wherein the overflow tank 6 can prevent the micropore overflow 5 from being clogged, and therefore the gas-permeable damping body 10 is provided not only to contribute to controlling and reducing the overflow noise at the micropore overflow 5 but also to control the flow rate of the gas overflowing from the micropore overflow 5; wherein, the material can be selected from sponge block, felt pad, porous sintered body, etc.; the volume of the air-permeable damping body 10 is larger than that of the overflow trough 6 containing the air-permeable damping body in a natural state, and the air-permeable damping body is arranged in an interference manner and fixed in the overflow trough 6 in a limiting way.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the valve group part 2 is characterized by further comprising a containing shell 3, wherein the containing shell 3 is arranged on the outer side of the valve group part 2 in a coating mode, and the micropore overflow channel 5 is arranged inside the containing shell 3. The micro-void spillway 5 is capable of carrying away a portion of the heat generated by the valve stack portion 2.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and a shell overflow hole 7 communicated with the outside is formed in the containing shell 3. As shown in fig. 1, the housing overflow hole 7 is disposed at a position above the deflection valve assembly portion 2, which further contributes to utilizing the chimney effect of the hot air flow to make the heat flow out to the outside; meanwhile, the containing shell 3 is also provided with a plurality of gaps on the structure, so that heat can flow out.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the silencer is characterized by further comprising a silencing sheath 8 arranged on the outer sides of the pump body part 1 and the containing shell 3, wherein the silencing sheath 8 is arranged in a closed mode, and at least one air release channel 9 is arranged on the silencing sheath 8; the sound-damping sheathing 8 serves to insulate noise. As shown in fig. 4, after the hot gas flows out through the micropore overflow passage 5 and the casing overflow hole 7, the air release passage 9 of the silencing jacket 8 can be used as a discharge passage for the hot gas to flow to the atmosphere, and the valve group part 2 shown in fig. 4 is a two-position three-way electromagnetic valve capable of realizing inflation and deflation.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the micropore overflow channels 5 are arranged into one or more than one.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the total overflow cross-sectional area of the micro-pore overflow channel 5 is less than 5% of the cross-sectional area of the air outlet of the pump body part 1.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the total cross-sectional area of the micropore overflow 5 is no more than 0.2 square millimeters.
In the present embodiment, when the total overflow sectional area of the micropore overflow 5 does not satisfy the condition of less than 5% of the sectional area of the outlet port of the pump body 1 or less than 0.2 mm square, it can be adjusted by the air-permeable damping body 10 so that the total air-permeable area satisfies either of the above two values.
A pneumatic adjusting system for an automobile seat comprises the integrated valve pump assembly device, at least one air bag body and a connecting pipeline. In this embodiment, the pneumatic adjustment system may be provided as a pneumatic lumbar support adjustment system, or a pneumatic massage system, or a pneumatic wing support system, or a pneumatic leg support system. In other embodiments, the integrated valve pump assembly device may also be used in furniture seats.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. An integral type valve pump assembly device which characterized in that: the method comprises the following steps: a pump body part (1) used for supplying air, and at least one valve group part (2) connected with the pump body part (1); the pump is characterized in that a gas distribution layer (4) is arranged at the joint of the pump body part (1) and the valve group part (2), a micropore overflow channel (5) is arranged on the gas distribution layer (4), one end of the micropore overflow channel (5) is communicated with the inside of the pump body part (1), and the other end of the micropore overflow channel is communicated with the outside atmosphere.
2. An integrated valve pump assembly apparatus as defined in claim 1, wherein: an overflow groove (6) is arranged on the gas distribution layer (4), and the overflow groove (6) is communicated with the inside of the micropore overflow channel (5).
3. An integrated valve pump assembly apparatus as defined in claim 2, wherein: and a breathable damping body (10) is arranged in the overflow groove (6).
4. An integrated valve pump assembly apparatus as defined in claim 1, wherein: the valve group part is characterized by further comprising a containing shell (3), wherein the containing shell (3) is arranged on the outer side of the valve group part (2) in a covering mode, and the micropore overflow channel (5) is arranged inside the containing shell (3).
5. An integrated valve pump assembly apparatus as defined in claim 4, wherein: and a shell overflow hole (7) communicated with the outside is formed in the containing shell (3).
6. An integrated valve pump assembly apparatus as defined in claim 1, wherein: the silencer is characterized by further comprising a silencing sheath (8) arranged on the outer sides of the pump body part (1) and the containing shell (3), wherein the silencing sheath (8) is arranged in a closed mode, and at least one air release channel (9) is arranged on the silencing sheath (8); the sound-absorbing sheath (8) is used for isolating noise.
7. An integrated valve pump assembly apparatus as defined in claim 1, wherein: the micropore overflow channels (5) are arranged into one or more than one.
8. An integrated valve pump assembly apparatus as defined in claim 1, wherein: the total overflow cross-sectional area of the micropore overflow channel (5) is less than 5% of the cross-sectional area of the outlet of the pump body (1).
9. An integrated valve pump assembly apparatus as defined in claim 1, wherein: the total cross-sectional area of the micropore overflow (5) is no more than 0.2 square millimeters.
10. A pneumatic adjustment system for a vehicle seat, characterized by: an integrated valve pump assembly apparatus comprising the integrated valve pump assembly apparatus of claims 1-9, further comprising at least one bladder and connecting tubing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011552902 | 2020-12-24 | ||
| CN2020115529028 | 2020-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113910999A true CN113910999A (en) | 2022-01-11 |
| CN113910999B CN113910999B (en) | 2022-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111289309.3A Active CN113910999B (en) | 2020-12-24 | 2021-11-02 | Integrated valve pump assembly device and pneumatic adjusting system for automobile seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN113910999B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161321A (en) * | 2010-02-17 | 2011-08-24 | L&P瑞士持有股份有限公司 | Adjusting device for a seat and method of operating an adjusting device |
| CN206458652U (en) * | 2017-01-14 | 2017-09-01 | 上海凯风暖通设备有限公司 | The silencing means and axial-flow type smoke exhaust fan of a kind of axial-flow type smoke exhaust fan |
| CN109296806A (en) * | 2017-07-25 | 2019-02-01 | 艾福迈精密部件公司 | Valve and valve gear |
| CN109318770A (en) * | 2018-11-27 | 2019-02-12 | 宁波拓普集团股份有限公司 | A kind of more air bag comfort systems of seat of integrated lumbar support and multiple spot massage |
| US20190049026A1 (en) * | 2017-08-08 | 2019-02-14 | Conti Temic Microelectronic Gmbh | Pneumatic valve |
| US20200100599A1 (en) * | 2018-09-27 | 2020-04-02 | Koge Micro Tech Co., Ltd. | Pump and valve combination for bladder adjustment |
| CN111284378A (en) * | 2018-12-10 | 2020-06-16 | 宁波拓普集团股份有限公司 | Waist support control system integrating control part and air pump |
| EP3733450A1 (en) * | 2019-04-30 | 2020-11-04 | KA Group AG | Valve for controlling pressurized air flow |
| CN112046372A (en) * | 2020-09-24 | 2020-12-08 | 东莞市安海思精密电子有限公司 | Pump and valve integrated pneumatic control module, massage system and automobile seat |
| CN112066032A (en) * | 2020-09-24 | 2020-12-11 | 东莞市安海思精密电子有限公司 | Pneumatic control's massage valve unit and ally oneself with pneumatic control unit more |
| CN112066040A (en) * | 2020-09-24 | 2020-12-11 | 东莞市安海思精密电子有限公司 | Pneumatic control valve group, pneumatic massage control valve and multi-connected pneumatic control unit |
-
2021
- 2021-11-02 CN CN202111289309.3A patent/CN113910999B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161321A (en) * | 2010-02-17 | 2011-08-24 | L&P瑞士持有股份有限公司 | Adjusting device for a seat and method of operating an adjusting device |
| CN206458652U (en) * | 2017-01-14 | 2017-09-01 | 上海凯风暖通设备有限公司 | The silencing means and axial-flow type smoke exhaust fan of a kind of axial-flow type smoke exhaust fan |
| CN109296806A (en) * | 2017-07-25 | 2019-02-01 | 艾福迈精密部件公司 | Valve and valve gear |
| US20190049033A1 (en) * | 2017-07-25 | 2019-02-14 | Alfmeier Präzision SE | Valve and Valve Arrangement |
| US20190049026A1 (en) * | 2017-08-08 | 2019-02-14 | Conti Temic Microelectronic Gmbh | Pneumatic valve |
| US20200100599A1 (en) * | 2018-09-27 | 2020-04-02 | Koge Micro Tech Co., Ltd. | Pump and valve combination for bladder adjustment |
| CN109318770A (en) * | 2018-11-27 | 2019-02-12 | 宁波拓普集团股份有限公司 | A kind of more air bag comfort systems of seat of integrated lumbar support and multiple spot massage |
| CN111284378A (en) * | 2018-12-10 | 2020-06-16 | 宁波拓普集团股份有限公司 | Waist support control system integrating control part and air pump |
| EP3733450A1 (en) * | 2019-04-30 | 2020-11-04 | KA Group AG | Valve for controlling pressurized air flow |
| CN112046372A (en) * | 2020-09-24 | 2020-12-08 | 东莞市安海思精密电子有限公司 | Pump and valve integrated pneumatic control module, massage system and automobile seat |
| CN112066032A (en) * | 2020-09-24 | 2020-12-11 | 东莞市安海思精密电子有限公司 | Pneumatic control's massage valve unit and ally oneself with pneumatic control unit more |
| CN112066040A (en) * | 2020-09-24 | 2020-12-11 | 东莞市安海思精密电子有限公司 | Pneumatic control valve group, pneumatic massage control valve and multi-connected pneumatic control unit |
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| Publication number | Publication date |
|---|---|
| CN113910999B (en) | 2022-12-13 |
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