CN115071466A - Independently cooling new forms of energy rifle that charges - Google Patents
Independently cooling new forms of energy rifle that charges Download PDFInfo
- Publication number
- CN115071466A CN115071466A CN202210856472.1A CN202210856472A CN115071466A CN 115071466 A CN115071466 A CN 115071466A CN 202210856472 A CN202210856472 A CN 202210856472A CN 115071466 A CN115071466 A CN 115071466A
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- China
- Prior art keywords
- gun
- new energy
- heat dissipation
- pins
- extends
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses an autonomous cooling new energy charging gun, relates to the field of charging guns, and aims to solve the problems that a direct current charging gun in the market at the present stage is easy to increase in temperature in the use process, and the charging gun cannot be autonomously cooled so as to cause a high-temperature alarm charging pile to stop charging a new energy automobile and further prevent a user from continuously driving the automobile. The DC +/DC-contact pin cable sleeve aluminum alloy radiating fin arranged inside the automatic cooling new energy charging gun plays a secondary heat radiating role, the fan arranged inside the automatic cooling new energy charging gun blows air towards the aluminum alloy radiating fin, hot air blows out main heat radiation towards the radiating holes below the gun body, and active heat radiation is further achieved.
Description
Technical Field
The invention relates to the field of charging guns, in particular to an autonomous cooling new energy charging gun.
Background
With the gradual progress of carbon neutralization in the world, the reserve of new energy automobiles is continuously increased, and the matched charging system must be technically improved so as to meet the requirements of end users. The number of new energy vehicles is continuously increased, but the charging station, fill electric pile acceleration rate far short of new energy vehicles, consequently can see the charging station to arrange in line and wait for charging at every holiday often, improve charge efficiency this moment, shorten the problem of charge time just at will be very urgent, but the high-power condition that the temperature rise is high of high-power rifle that charges generally exists, and the extension of the high-power direct current rifle of liquid cooling generally not reserved to the charging station on the market, for this market urgently need a section of the high-power rifle that charges of direct current of independently cooling in order to satisfy market demand.
Aiming at the problem that the temperature of a direct current charging gun in the market and used at the present stage is easy to rise in the using process, and the charging gun cannot be cooled autonomously, so that a high-temperature alarm charging pile stops charging a new energy automobile, and a user cannot continue driving the automobile, the autonomous cooling new energy charging gun is provided.
Disclosure of Invention
The invention provides an autonomous cooling new energy charging gun, which solves the problem that a user cannot continuously drive a vehicle because a high-temperature alarm charging pile stops charging a new energy automobile because a charging gun cannot be autonomously cooled under the condition that the temperature is easily increased in the use process of a direct current charging gun existing and used in the market at the present stage.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an independently cool down new forms of energy rifle that charges, includes the body of a gun, one side of the body of a gun is run through and is provided with main cable, just DC end cable has been cup jointed to the inside of main cable, the inside of the body of a gun is provided with heat dissipation frame, just one side interval of heat dissipation frame is provided with and is used for carrying out radiating fan, just the fan is located the top of DC end cable, the opposite side of the body of a gun is provided with the rifle head.
As a further preferable scheme of the invention, a lock hook is arranged at the top of the gun body, a bolt penetrates through the bottom of the lock hook, check rings are symmetrically arranged at two ends of the bolt, the bolt penetrates through the gun body and extends into the gun body, and a fixing buckle is fixedly arranged at one side of the lock hook.
As a further preferable scheme of the invention, a support is arranged at the bottom of the lock hook and is in a Z shape, the support is fixedly connected with the inner wall of the gun body, and one side of the support is fixedly connected with the fan.
As a further preferable scheme of the invention, a waterproof switch is arranged at the bottom of the lock hook, the waterproof switch is positioned on one side of the bracket away from the main cable, and an electronic lock is arranged on the other side of the bracket and connected with the inside of the gun body.
As a further preferable solution of the present invention, the DC terminal cable penetrates through the heat dissipation frame and extends to the outside thereof, the circumferential outside of the heat dissipation frame has a structure with a sheet feature to perform a heat dissipation function, and a sealing gasket is disposed on a side of the heat dissipation frame away from the main cable.
As a further preferable scheme of the invention, a side of the sealing gasket, which is far away from the heat dissipation frame, is provided with a bushing, and a side of the bushing, which is far away from the sealing gasket, is provided with a power pin.
As a further preferable scheme of the invention, the power pin is a DC + pin/DC-pin, one end of the DC + pin/DC-pin penetrates through the bushing and extends to the inside of the heat dissipation frame, the DC + pin/DC-pin is connected with a DC end cable wire, and the other end of the DC + pin/DC-pin penetrates through the gun head and extends to the outside of the gun head.
As a further preferable scheme of the invention, one side of the power pin penetrates through the bushing and extends to the inside of the sealing gasket, and the other end of the power pin penetrates through the gun head and extends to the outside of the gun head.
As a further preferable scheme of the invention, the top of the power contact pin is uniformly provided with signal contact pins, one side of each signal contact pin penetrates through the bushing and extends to the inside of the sealing gasket, the other end of each signal contact pin penetrates through the gun head and extends to the outside of the gun head, the circumferential outer walls of the power contact pin and the signal contact pin are both provided with an O-shaped sealing ring, and the O-shaped sealing rings are matched with the gun head.
As a further preferable scheme of the invention, heat dissipation holes are uniformly formed in the bottom of the gun body, screws are symmetrically arranged on one side of the gun head, the gun head is connected with the gun body through the screws, a locking coil is arranged at the bottom of the gun body, and locking wire clamps are symmetrically arranged on two sides of the locking coil.
The invention has the beneficial effects that:
1. the front end of a gun head pin arranged in the device uses an O-shaped sealing ring, the rear end of the gun head pin uses a silicon rubber sealing gasket to form inner cavity sealing, a waterproof microswitch is used, a switch lead penetrates through the gun head sealing gasket to be sequentially in compression joint with PE \ CC1\ CC2, the protection grade of the position of a gun head (without a gun body) is ensured to reach IP67, and the rest protection grades are IP3XC and above.
2. The DC +/DC-inserting pin cable is sleeved with an aluminum alloy radiating fin to play a secondary radiating role, a row of radiating holes are formed in the lower portion of the gun body, a small fan is assembled above the gun body, the fan blows air towards the aluminum alloy radiating fin, hot air blows out the radiating holes in the lower portion of the gun body to play a main radiating role, and meanwhile the fan is powered through an A +/A-lead.
In conclusion, the DC +/DC-inserting pin cable arranged in the device is sleeved with the aluminum alloy radiating fin to play a secondary radiating role, the fan arranged in the device blows air towards the aluminum alloy radiating fin, hot air blows out of the radiating hole below the gun body to play a main radiating role, active radiating is further achieved, and alarm caused by overhigh temperature in the using process is avoided.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is an exploded view of the structure of the present invention.
Fig. 3 is an exploded view of a connection structure of a fan according to the present invention.
Fig. 4 is an exploded view of the connection structure of the power pin according to the present invention.
Fig. 5 is a schematic structural view of the heat dissipation frame according to the present invention.
Reference numbers in the figures: 1. a gun body; 2. a lock coil; 3. a wire locking clamp; 4. a screw; 5. a main cable; 6. a DC-side cable; 7. an electronic lock; 8. a fan; 9. a support; 10. a bolt; 11. a retainer ring; 12. a latch hook; 13. a fixing buckle; 14. a heat dissipation frame; 15. a gasket; 16. a bushing; 17. a power pin; 18. a signal pin; 19. an O-shaped sealing ring; 20. a gun head; 21. heat dissipation holes; 22. a waterproof switch.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further explained with reference to the drawings.
Referring to fig. 1-5, in an autonomous cooling new energy charging gun, a main cable 5 is provided through one side of a gun body 1, a DC end cable 6 is sleeved inside the main cable 5, a heat dissipation frame 14 is provided inside the gun body 1, fans 8 for dissipating heat are provided at intervals on one side of the heat dissipation frame 14, the fans 8 are located on the top of the DC end cable 6, and a gun head 20 is provided on the other side of the gun body 1.
As shown in fig. 2 and 3, a latch hook 12 is arranged at the top of the gun body 1, a plug pin 10 is arranged at the bottom of the latch hook 12 in a penetrating manner, retaining rings 11 are symmetrically arranged at two ends of the plug pin 10, the plug pin 10 penetrates through the gun body 1 and extends into the gun body 1, a fixing buckle 13 is fixedly mounted at one side of the latch hook 12, a support 9 is arranged at the bottom of the latch hook 12, the support 9 is in a Z shape, the support 9 is fixedly connected with the inner wall of the gun body 1, one side of the support 9 is fixedly connected with a fan 8, a waterproof switch 22 is arranged at the bottom of the latch hook 12, the waterproof switch 22 is positioned at one side of the support 9 far away from the main cable 5, an electronic lock 7 is arranged at the other side of the support 9, and the electronic lock 7 is connected with the inside of the gun body 1;
the bracket 9 is convenient for fixing the fan 8, and the fan 8 is matched with the heat dissipation frame 14 to mainly dissipate heat of the device.
As shown in fig. 2 and 4, the DC terminal cable 6 extends through the heat dissipation frame 14 to the outside thereof, the outer circumference of the heat dissipation frame 14 has a plate-shaped structure for dissipating heat, a sealing pad 15 is disposed on a side of the heat dissipation frame 14 away from the main cable 5, a bushing 16 is disposed on a side of the sealing pad 15 away from the heat dissipation frame 14, a power pin 17 is disposed on a side of the bushing 16 away from the sealing pad 15, the power pin 17 is DC + pin/DC-pin, one end of the DC pin extends through the bushing 16 to the inside of the heat dissipation frame 14, the DC pin is electrically connected to the DC terminal cable 6, the other end of the DC pin extends through the gun head 20 to the outside thereof, one side of the power pin 17 extends through the bushing 16 to the inside of the sealing pad 15, the other end of the power pin 17 extends through the gun head 20 to the outside thereof, the top of the power pin 17 is uniformly provided with a signal pin 18, one side of the signal pin 18 extends through the bushing 16 to the inside of the sealing pad 15, the other end of the signal pin 18 penetrates through the gun head 20 and extends to the outside of the gun head, O-shaped sealing rings 19 are arranged on the circumferential outer walls of the power pin 17 and the signal pin 18, and the O-shaped sealing rings 19 are matched with the gun head 20;
the O-shaped sealing ring 19 is convenient for increasing the sealing degree of the device, and the aluminum alloy radiating fins arranged on the outer side of the radiating frame 14 are convenient for secondary heat radiation.
As shown in fig. 2 and 4, heat dissipation holes 21 are uniformly formed in the bottom of the gun body 1, screws 4 are symmetrically arranged on one side of the gun head 20, the gun head 20 is connected with the gun body 1 through the screws 4, a locking coil 2 is arranged at the bottom of the gun body 1, and locking wire clamps 3 are symmetrically arranged on two sides of the locking coil 2.
The working principle of the invention is as follows: when the device is used, the device is firstly placed at a proper position, when the device needs to be used, the gun head 20 arranged on one side of the gun body 1 is inserted into a charging port of an electric vehicle, and at the moment, a power contact pin 17 and a signal contact pin 18 arranged in the device are in contact with the charging port and exchange information;
when the device is charged, the fan 8 in the device is started, the fan 8 is matched with the heat dissipation holes 21 uniformly formed in the bottom of the gun body 1 to cool the device mainly, and meanwhile, the aluminum alloy heat dissipation fins uniformly arranged outside the heat dissipation frame 14 dissipate heat secondarily.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Other parts of the invention not described in detail are prior art and are not described in detail herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an independently cooling new forms of energy rifle that charges, includes body of a gun (1), its characterized in that, one side of body of a gun (1) is run through and is provided with main cable (5), just DC end cable (6) have been cup jointed to the inside of main cable (5), the inside of body of a gun (1) is provided with heat dissipation frame (14), just one side interval of heat dissipation frame (14) is provided with and is used for carrying out radiating fan (8), just fan (8) are located the top of DC end cable (6), the opposite side of body of a gun (1) is provided with rifle head (20).
2. The automatic cooling new energy charging gun according to claim 1, wherein a locking hook (12) is arranged at the top of the gun body (1), a bolt (10) is arranged at the bottom of the locking hook (12) in a penetrating manner, check rings (11) are symmetrically arranged at two ends of the bolt (10), the bolt (10) extends into the gun body (1) in a penetrating manner, and a fixing buckle (13) is fixedly arranged at one side of the locking hook (12).
3. The automatic cooling new energy charging gun according to claim 2, wherein a support (9) is arranged at the bottom of the locking hook (12), the support (9) is Z-shaped, the support (9) is fixedly connected with the inner wall of the gun body (1), and one side of the support (9) is fixedly connected with the fan (8).
4. The automatic cooling new energy charging gun according to claim 2, characterized in that a waterproof switch (22) is arranged at the bottom of the locking hook (12), the waterproof switch (22) is arranged on one side of the bracket (9) far away from the main cable (5), an electronic lock (7) is arranged on the other side of the bracket (9), and the electronic lock (7) is connected with the inside of the gun body (1).
5. The automatic cooling new energy charging gun according to claim 1, wherein the DC end cable (6) penetrates through the heat dissipation frame (14) and extends to the outside of the heat dissipation frame, the circumference outside of the heat dissipation frame (14) is provided with a sheet-shaped feature structure for heat dissipation, and a sealing gasket (15) is arranged on one side, away from the main cable (5), of the heat dissipation frame (14).
6. The automatic cooling new energy charging gun according to claim 5, wherein a bushing (16) is arranged on one side of the sealing gasket (15) far away from the heat dissipation frame (14), and a power pin (17) is arranged on one side of the bushing (16) far away from the sealing gasket (15).
7. The automatic cooling new energy charging gun as claimed in claim 6, wherein the power pins (17) are DC + pins/DC-pins, one end of the DC + pins/DC-pins extends through the bushing (16) to the inside of the heat dissipation frame (14), the DC + pins/DC-pins are electrically connected with the DC terminal cable (6), and the other end of the DC + pins/DC-pins extends through the gun head (20) to the outside thereof.
8. The automatic cooling new energy charging gun according to claim 7, wherein one side of the power pin (17) extends through the bushing (16) to the inside of the sealing gasket (15), and the other end of the power pin (17) extends through the gun head (20) to the outside.
9. The automatic cooling new energy charging gun according to claim 8, wherein signal pins (18) are uniformly arranged at the top of the power pin (17), one side of each signal pin (18) penetrates through the bushing (16) and extends to the inside of the sealing gasket (15), the other end of each signal pin (18) penetrates through the gun head (20) and extends to the outside of the gun head, O-shaped sealing rings (19) are mounted on the outer circumferential walls of the power pin (17) and the signal pin (18), and the O-shaped sealing rings (19) are matched with the gun head (20).
10. The automatic cooling new energy charging gun according to claim 1, wherein heat dissipation holes (21) are uniformly formed in the bottom of the gun body (1), screws (4) are symmetrically arranged on one side of the gun head (20), the gun head (20) is connected with the gun body (1) through the screws (4), a locking coil (2) is arranged at the bottom of the gun body (1), and locking wire clamps (3) are symmetrically arranged on two sides of the locking coil (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856472.1A CN115071466A (en) | 2022-07-21 | 2022-07-21 | Independently cooling new forms of energy rifle that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856472.1A CN115071466A (en) | 2022-07-21 | 2022-07-21 | Independently cooling new forms of energy rifle that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115071466A true CN115071466A (en) | 2022-09-20 |
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ID=83259361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210856472.1A Pending CN115071466A (en) | 2022-07-21 | 2022-07-21 | Independently cooling new forms of energy rifle that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115071466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117325681A (en) * | 2023-11-16 | 2024-01-02 | 汇工(河北)机械集团有限公司 | Quick-charging gun head convenient for cooling for new energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090104800A1 (en) * | 2007-10-19 | 2009-04-23 | 3M Innovative Properties Company | Electrical connector assembly |
| CN209860261U (en) * | 2019-07-24 | 2019-12-27 | 南京康尼新能源汽车零部件有限公司 | DC charging gun with unlocking function |
| CN112153873A (en) * | 2020-09-30 | 2020-12-29 | 东莞市趣电智能科技有限公司 | Heat radiation module and charging gun and charging seat comprising same |
| CN212257830U (en) * | 2020-06-08 | 2020-12-29 | 深圳市沃尔新能源电气科技股份有限公司 | Rifle head and electric automobile battery charging outfit charge |
| CN215751968U (en) * | 2021-06-04 | 2022-02-08 | 惠州市广顺安新能源科技有限公司 | Safe and reliable's electric automobile direct current rifle that charges |
| CN114709659A (en) * | 2022-04-24 | 2022-07-05 | 四川永贵科技有限公司 | Power contact pin cooling module, charging connector |
-
2022
- 2022-07-21 CN CN202210856472.1A patent/CN115071466A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090104800A1 (en) * | 2007-10-19 | 2009-04-23 | 3M Innovative Properties Company | Electrical connector assembly |
| CN209860261U (en) * | 2019-07-24 | 2019-12-27 | 南京康尼新能源汽车零部件有限公司 | DC charging gun with unlocking function |
| CN212257830U (en) * | 2020-06-08 | 2020-12-29 | 深圳市沃尔新能源电气科技股份有限公司 | Rifle head and electric automobile battery charging outfit charge |
| CN112153873A (en) * | 2020-09-30 | 2020-12-29 | 东莞市趣电智能科技有限公司 | Heat radiation module and charging gun and charging seat comprising same |
| CN215751968U (en) * | 2021-06-04 | 2022-02-08 | 惠州市广顺安新能源科技有限公司 | Safe and reliable's electric automobile direct current rifle that charges |
| CN114709659A (en) * | 2022-04-24 | 2022-07-05 | 四川永贵科技有限公司 | Power contact pin cooling module, charging connector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117325681A (en) * | 2023-11-16 | 2024-01-02 | 汇工(河北)机械集团有限公司 | Quick-charging gun head convenient for cooling for new energy automobile |
| CN117325681B (en) * | 2023-11-16 | 2024-04-12 | 汇工(河北)机械集团有限公司 | Quick-charging gun head convenient for cooling for new energy automobile |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220920 |
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| RJ01 | Rejection of invention patent application after publication |