CN215647973U - Novel temperature control mechanism for control cabinet - Google Patents

Novel temperature control mechanism for control cabinet Download PDF

Info

Publication number
CN215647973U
CN215647973U CN202121740130.0U CN202121740130U CN215647973U CN 215647973 U CN215647973 U CN 215647973U CN 202121740130 U CN202121740130 U CN 202121740130U CN 215647973 U CN215647973 U CN 215647973U
Authority
CN
China
Prior art keywords
control cabinet
fixing
cabinet body
pipe
pipeline
Prior art date
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.)
Active
Application number
CN202121740130.0U
Other languages
Chinese (zh)
Inventor
吴霞虹
刘灿荣
朱东华
陈育青
朱冰怡
陈玉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wujiang Jintongli Electrical Appliance Complete Set Co ltd
Original Assignee
Wujiang Jintongli Electrical Appliance Complete Set Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wujiang Jintongli Electrical Appliance Complete Set Co ltd filed Critical Wujiang Jintongli Electrical Appliance Complete Set Co ltd
Priority to CN202121740130.0U priority Critical patent/CN215647973U/en
Application granted granted Critical
Publication of CN215647973U publication Critical patent/CN215647973U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses: the utility model provides a novel temperature control mechanism for switch board, includes the switch board body, one side fixed mounting of switch board body up end has the hair-dryer, the intermediate position of switch board body up end is equipped with the opening, the opening runs through the inner wall that the up end of switch board body extended to the switch board body, one side of hair-dryer surface is fixed and is equipped with defeated tuber pipe, the inside interconnect of hair-dryer and defeated tuber pipe, defeated tuber pipe extends to the inside of switch board body through the opening, and the both ends that are located the defeated tuber pipe of switch board body inside all are equipped with connecting device, connecting device includes double-end connecting pipe, pipe connection head, pipeline set casing, fixed head, fixed slot, threaded shaft, rectangle fixed block and internal thread groove. The design of the utility model can carry out all-around heat dissipation on the interior of the control cabinet body, thereby improving the heat dissipation efficiency of the temperature control mechanism.

Description

Novel temperature control mechanism for control cabinet
Technical Field
The utility model relates to the technical field of temperature control mechanisms, in particular to a novel temperature control mechanism for a control cabinet.
Background
With the rapid development of socio-economic, temperature control is a process term in terms of temperature. In recent years, with the development of science and technology, the utilization rate of the temperature-adjustable temperature sensor is higher and higher in the aspects of storage and transportation of products, and the basic meaning of the temperature-adjustable temperature sensor is that the temperature value is adjusted to be within a target value or range through technical means.
However, the existing temperature control mechanism for the control cabinet has low heat dissipation efficiency and is too complicated in the installation process of the heat dissipation pipe; therefore, the existing requirements are not met, and a novel temperature control mechanism for the control cabinet is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel temperature control mechanism for a control cabinet, which aims to solve the problems that the heat dissipation efficiency is low, the installation process of a heat dissipation pipe is too complicated and the like in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel temperature control mechanism for a control cabinet comprises a control cabinet body, wherein a blower is fixedly mounted on one side of the upper end face of the control cabinet body, an opening is formed in the middle position of the upper end face of the control cabinet body, the opening penetrates through the upper end face of the control cabinet body and extends to the inner wall of the control cabinet body, an air delivery pipe is fixedly arranged on one side of the outer surface of the blower, the blower is connected with the inside of the air delivery pipe, the air delivery pipe extends to the inside of the control cabinet body through the opening, and connecting devices are arranged at two ends of the air delivery pipe located inside the control cabinet body;
the connecting device comprises a double-end connecting pipe, a pipe connecting head, a pipe fixing shell, a fixing head, a fixing groove, a threaded shaft, a rectangular fixing block and an internal threaded groove, wherein the pipe connecting head is fixedly arranged at both ends of the double-end connecting pipe, the pipe fixing shell is arranged at one side of the outer surface of the pipe connecting head, the fixing head is arranged at both sides of the outer surface of the pipe fixing shell, the fixing groove is arranged at one side of the outer surface of the fixing head, the fixing groove penetrates through the fixing head, the threaded shaft is arranged in the fixing groove, the rectangular fixing block positioned at the outer side of the fixing head is fixedly arranged at one end of the threaded shaft, the other end of the threaded shaft is positioned in the internal threaded groove, the internal threaded groove extends to the inside of the pipe connecting head, the other ends of the two connecting devices are respectively provided with a radiating pipe A, the other ends of the two radiating pipes A are respectively provided with a connecting device, and a radiating pipe B is arranged between the two connecting devices positioned at the lower side in the control cabinet body, the air blowing ports are formed in the surfaces, facing the inside of the control cabinet body, of the radiating pipes A and the radiating pipes B.
Preferably, a cabinet door is arranged on the positive end face of the control cabinet body, and the control cabinet body is connected with the cabinet door through a rotating shaft.
Preferably, the switch board body and power electric connection, the positive terminal surface of cabinet door is equipped with operating panel, operating panel's top is equipped with the display screen that is located cabinet door surface, hair-dryer, display screen and switch board body all with operating panel electric connection.
Preferably, the pipeline connector is connected with the pipeline fixing shell through a rotating shaft, and the pipeline fixing shell is connected with the two fixing heads through the rotating shaft.
Preferably, the external thread of the threaded shaft corresponds to the internal thread of the internal thread groove, and the threaded shaft is connected with the rectangular fixing block through welding.
Preferably, the surface of cooling tube A and cooling tube B all laminates closely with the inner wall of pipe connection head and double-end connecting pipe, through connecting device interconnect between cooling tube B and the cooling tube A.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is characterized in that a blower is fixedly arranged on one side of the upper end surface of a control cabinet body, a through hole is arranged in the middle position of the upper end surface of the control cabinet body, the through hole penetrates through the upper end surface of the control cabinet body and extends to the inner wall of the control cabinet body, an air delivery pipe is fixedly arranged on one side of the outer surface of the blower, the blower is connected with the inside of the air delivery pipe, the air delivery pipe extends to the inside of the control cabinet body through the through hole, two ends of the air delivery pipe positioned in the control cabinet body are respectively provided with a connecting device, the other ends of the two connecting devices are respectively provided with a radiating pipe A, the other ends of the two radiating pipes A are respectively provided with a connecting device, a radiating pipe B is arranged between the two connecting devices positioned at the lower side of the control cabinet body, the insides of the air delivery pipe, the radiating pipes A and the radiating pipes B are communicated, and the surfaces of the radiating pipes A and the radiating pipes B facing the inside of the control cabinet body are respectively distributed with air blowing ports, the blower is electrically connected with the operation panel and the display screen, when the temperature inside the control cabinet body is too high, the blower controlled by the operation panel can be started, wind power can be conveyed to the inside of the wind conveying pipe through the blower, the wind power is conveyed into the two radiating pipes A through the wind conveying pipe, the wind power can penetrate through the radiating pipes A to reach the inside of the radiating pipes B along with the increase of the wind power, the wind power can be sprayed out through the blowing ports in the process of conveying the inside of the radiating pipes A and the inside of the radiating pipes B, the whole-aspect heat dissipation can be carried out on the inside of the control cabinet body through the design, and the heat dissipation efficiency of the temperature control mechanism is improved;
2. the utility model is characterized in that two ends of a wind delivery pipe positioned in the control cabinet body are respectively provided with a connecting device, the other ends of the two connecting devices are respectively provided with a radiating pipe A, the other ends of the two radiating pipes A are respectively provided with a connecting device, a radiating pipe B is arranged between the two connecting devices positioned at the lower side in the control cabinet body, two ends of a double-head connecting pipe are respectively provided with a pipeline connecting head, one side of the outer surface of each pipeline connecting head is provided with a pipeline fixing shell, the pipeline connecting heads are connected with the pipeline fixing shells through two rotating shafts, two sides of the outer surface of each pipeline fixing shell are respectively provided with a fixing head, the pipeline fixing shells are connected with the fixing heads through the rotating shafts, one side of the outer surface of each fixing head is provided with a fixing groove, the fixing groove penetrates through the fixing heads, a threaded shaft is arranged in the fixing groove, one end of the threaded shaft is fixedly provided with a rectangular fixing block positioned at the outer side of the fixing head, the other end of threaded shaft is located the inside of internal thread groove, the internal thread groove extends to the inside of pipe connection head, only need rotate the rectangle fixed block when cooling tube A and cooling tube B are dismantled to needs, rotate the rectangle fixed block to parallel with the fixed slot, can rotate the fixed head when the rectangle fixed block parallels with the fixed slot, can remove the fixed to the pipeline set casing through rotating the fixed head, can rotate the pipeline set casing when the fixed of pipeline set casing is removed, can take out lieing in pipe connection head inner tube through opening the pipeline set casing, dismouting cooling tube A and cooling tube B that can be more convenient and fast through this connecting device, staff's work efficiency has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the internal structure of the whole body of the present invention;
FIG. 3 is a schematic view of the connection device of the present invention in its open configuration as a whole;
FIG. 4 is a schematic view of the internal structure of FIG. 1 at A according to the present invention;
FIG. 5 is a side view taken at A of FIG. 1 in accordance with the present invention;
fig. 6 is a side view at B of fig. 1 of the present invention.
In the figure: 1. a control cabinet body; 2. an operation panel; 3. a display screen; 4. a cabinet door; 5. a blower; 6. a wind delivery pipe; 7. a connecting device; 8. a double-ended connecting pipe; 9. a pipe joint; 10. a pipeline fixing shell; 11. a radiating pipe A; 12. a radiating pipe B; 13. a fixed head; 14. fixing grooves; 15. A threaded shaft; 16. a rectangular fixed block; 17. an internal thread groove; 18. an air blowing port; 19. and (6) a port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The control cabinet body 1 (model number is HNYK), the display screen 3 (model number is LT-K320EW) and the air delivery pipe 6 (model number is 0.63pu) can be purchased from the market or customized by a person.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a novel temperature control mechanism for a control cabinet comprises a control cabinet body 1, wherein a blower 5 is fixedly installed on one side of the upper end face of the control cabinet body 1, an opening 19 is formed in the middle position of the upper end face of the control cabinet body 1, the opening 19 penetrates through the upper end face of the control cabinet body 1 and extends to the inner wall of the control cabinet body 1, an air delivery pipe 6 is fixedly arranged on one side of the outer surface of the blower 5, the blower 5 is connected with the inside of the air delivery pipe 6, the air delivery pipe 6 extends to the inside of the control cabinet body 1 through the opening 19, and connecting devices 7 are arranged at two ends of the air delivery pipe 6 located inside the control cabinet body 1;
the connecting device 7 comprises a double-head connecting pipe 8, a pipe connector 9, a pipe fixing shell 10, a fixing head 13, a fixing groove 14, a threaded shaft 15, a rectangular fixing block 16 and an internal threaded groove 17, the pipe connector 9 is fixedly arranged at both ends of the double-head connecting pipe 8, the pipe fixing shell 10 is arranged at one side of the outer surface of the pipe connector 9, the fixing heads 13 are arranged at both sides of the outer surface of the pipe fixing shell 10, the fixing groove 14 is arranged at one side of the outer surface of the fixing head 13, the fixing groove 14 penetrates through the fixing head 13, the threaded shaft 15 is arranged inside the fixing groove 14, the rectangular fixing block 16 positioned at the outer side of the fixing head 13 is fixedly arranged at one end of the threaded shaft 15, the other end of the threaded shaft 15 is positioned inside the internal threaded groove 17, the internal threaded groove 17 extends to the inside of the pipe connector 9, the other ends of the two connecting devices 7 are both provided with a radiating pipe A11, and the other ends of the two radiating pipes A11 are both provided with the connecting device 7, a heat radiation pipe B12 is arranged between the two connecting devices 7 at the lower side of the interior of the control cabinet body 1, and the air blowing port 18 is distributed on the surfaces of the heat radiation pipe a11 and the heat radiation pipe B12 facing the interior of the control cabinet body 1.
Further, the positive terminal surface of switch board body 1 is equipped with cabinet door 4, is connected through the pivot between switch board body 1 and the cabinet door 4, can open cabinet door 4 through the pivot.
Further, switch board body 1 and power electric connection, the positive terminal surface of cabinet door 4 is equipped with operating panel 2, and operating panel 2's top is equipped with the display screen 3 that is located 4 surfaces of cabinet door, and hair-dryer 5, display screen 3 and switch board body 1 all with operating panel 2 electric connection, can show the inside temperature of switch board body 1 through display screen 3.
Further, the pipeline connector 9 is connected with the pipeline fixing shell 10 through a rotating shaft, the pipeline fixing shell 10 is connected with the two fixing heads 13 through the rotating shaft, and the pipeline fixing shell 10 can be fixed through the fixing heads 13.
Further, the external thread of the threaded shaft 15 corresponds to the internal thread of the internal thread groove 17, the threaded shaft 15 is connected with the rectangular fixing block 16 by welding, and the fixing head 13 can be fixed by the rectangular fixing block 16.
Further, the outer surfaces of the radiating pipe a11 and the radiating pipe B12 are closely attached to the inner walls of the pipe connector 9 and the double-head connecting pipe 8, the radiating pipe B12 and the radiating pipe a11 are connected with each other through the connecting device 7, and the inside of the control cabinet body 1 can be cooled through the radiating pipe B12 and the radiating pipe a 11.
The working principle is as follows: when the air blower is used, the air blower 5 is fixedly installed on one side of the upper end face of the control cabinet body 1, the through hole 19 is formed in the middle position of the upper end face of the control cabinet body 1, the through hole 19 penetrates through the upper end face of the control cabinet body 1 and extends to the inner wall of the control cabinet body 1, the air conveying pipe 6 is fixedly arranged on one side of the outer surface of the air blower 5, the air blower 5 is connected with the inside of the air conveying pipe 6, the air conveying pipe 6 extends to the inside of the control cabinet body 1 through the through hole 19, the connecting devices 7 are arranged at two ends of the air conveying pipe 6 positioned inside the control cabinet body 1, the radiating pipes A11 are arranged at the other ends of the two connecting devices 7, the connecting devices 7 are arranged at the other ends of the two radiating pipes A11, the radiating pipes B12 are arranged between the two connecting devices 7 positioned at the lower side inside the control cabinet body 1, the insides of the air conveying pipe 6, the radiating pipes A11 and the radiating pipes B12 are communicated, and the air blowing ports 18 are distributed on the surfaces of the radiating pipes A11 and B12 facing the inside of the control cabinet body 1, and the blower 5 is electrically connected with the operation panel 2 and the display screen 3, when the temperature in the control cabinet body 1 is too high, the blower 5 controlled by the operation panel 2 is started, the blower 5 can convey wind power to the interior of the wind conveying pipe 6, the wind power is conveyed into the two radiating pipes A11 through the wind conveying pipe 6, the wind power can pass through the radiating pipe A11 to reach the interior of the radiating pipe B12 along with the increase of the wind power, the wind power can be sprayed out through the blowing ports 18 in the process of conveying the interior of the radiating pipe A11 and the radiating pipe B12, the whole-area radiation can be carried out on the interior of the control cabinet body 1 through the design, the radiating efficiency of the temperature control mechanism is improved, the two ends of the wind conveying pipe 6 positioned in the control cabinet body 1 are both provided with one connecting device 7, the other ends of the two connecting devices 7 are both provided with the radiating pipe A11, the other ends of the two radiating pipes A11 are both provided with one connecting device 7, a heat radiation pipe B12 is arranged between two connecting devices 7 at the lower side of the interior of the control cabinet body 1, two ends of the double-head connecting pipe 8 are respectively provided with a pipeline connecting head 9, one side of the outer surface of the pipeline connecting head 9 is provided with a pipeline fixing shell 10, the pipeline connecting head 9 is connected with the pipeline fixing shell 10 through two rotating shafts, two sides of the outer surface of the pipeline fixing shell 10 are respectively provided with a fixing head 13, the pipeline fixing shell 10 is connected with the fixing heads 13 through the rotating shafts, one side of the outer surface of the fixing head 13 is provided with a fixing groove 14, the fixing groove 14 penetrates through the fixing heads 13, a threaded shaft 15 is arranged inside the fixing groove 14, one end of the threaded shaft 15 is fixedly provided with a rectangular fixing block 16 positioned at the outer side of the fixing heads 13, the other end of the threaded shaft 15 is positioned inside an inner threaded groove 17, the inner threaded groove 17 extends to the interior of the pipeline connecting head 9, when the heat radiation pipe A11 and the heat radiation pipe B12 need to be disassembled, rotate rectangle fixed block 16 to being parallel with fixed slot 14, can rotate fixed head 13 when rectangle fixed block 16 parallels with fixed slot 14, can remove the fixed of casing 10 through rotating fixed head 13, can rotate the fixed casing 10 of pipeline when the fixed of casing 10 is removed to the pipeline, can take out lieing in the inside pipeline of pipe connection head 9 through opening the fixed casing 10 of pipeline, dismouting cooling tube A11 and cooling tube B12 that can be more convenient and fast through this connecting device 7, staff's work efficiency has been improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A novel temperature control mechanism for a control cabinet comprises a control cabinet body (1) and is characterized in that a blower (5) is fixedly installed on one side of the upper end face of the control cabinet body (1), a through hole (19) is formed in the middle of the upper end face of the control cabinet body (1), the through hole (19) penetrates through the upper end face of the control cabinet body (1) and extends to the inner wall of the control cabinet body (1), an air conveying pipe (6) is fixedly arranged on one side of the outer surface of the blower (5), the blower (5) is connected with the inside of the air conveying pipe (6) mutually, the air conveying pipe (6) extends to the inside of the control cabinet body (1) through the through hole (19), and connecting devices (7) are arranged at two ends of the air conveying pipe (6) located inside the control cabinet body (1);
the connecting device (7) comprises a double-end connecting pipe (8), a pipeline connecting head (9), a pipeline fixing shell (10), fixing heads (13), fixing grooves (14), threaded shafts (15), rectangular fixing blocks (16) and internal threaded grooves (17), wherein the pipeline connecting head (9) is fixedly arranged at the two ends of the double-end connecting pipe (8), the pipeline fixing shell (10) is arranged at one side of the outer surface of the pipeline connecting head (9), the fixing heads (13) are arranged at the two sides of the outer surface of the pipeline fixing shell (10), the fixing grooves (14) are arranged at one side of the outer surface of the fixing heads (13), the fixing grooves (14) penetrate through the fixing heads (13), the threaded shafts (15) are arranged inside the fixing grooves (14), the rectangular fixing blocks (16) positioned at the outer sides of the fixing heads (13) are fixedly arranged at one ends of the threaded shafts (15), and the other ends of the threaded shafts (15) are positioned inside the internal threaded grooves (17), interior thread groove (17) extends to the inside of pipe connection head (9), two the other end of connecting device (7) all is equipped with cooling tube A (11), two the other end of cooling tube A (11) all is equipped with connecting device (7), is located to be equipped with a cooling tube B (12) between two connecting device (7) of switch board body (1) inside downside, cooling tube A (11) and cooling tube B (12) are all spread all over blowing mouth (18) facing the face of switch board body (1) inside.
2. The novel temperature control mechanism for the control cabinet according to claim 1, characterized in that: the cabinet door (4) is arranged on the positive end face of the control cabinet body (1), and the control cabinet body (1) is connected with the cabinet door (4) through a rotating shaft.
3. The novel temperature control mechanism for the control cabinet according to claim 2, characterized in that: control cabinet body (1) and power electric connection, the positive terminal surface of cabinet door (4) is equipped with operating panel (2), the top of operating panel (2) is equipped with display screen (3) that are located cabinet door (4) surface, hair-dryer (5), display screen (3) and control cabinet body (1) all with operating panel (2) electric connection.
4. The novel temperature control mechanism for the control cabinet according to claim 1, characterized in that: the pipeline connecting head (9) is connected with the pipeline fixing shell (10) through a rotating shaft, and the pipeline fixing shell (10) is connected with the two fixing heads (13) through the rotating shaft.
5. The novel temperature control mechanism for the control cabinet according to claim 1, characterized in that: the external thread of the threaded shaft (15) corresponds to the internal thread of the internal thread groove (17), and the threaded shaft (15) is connected with the rectangular fixing block (16) through welding.
6. The novel temperature control mechanism for the control cabinet according to claim 1, characterized in that: the surface of cooling tube A (11) and cooling tube B (12) all laminates closely with the inner wall of pipe connection head (9) and double-end connecting pipe (8), through connecting device (7) interconnect between cooling tube B (12) and cooling tube A (11).
CN202121740130.0U 2021-07-29 2021-07-29 Novel temperature control mechanism for control cabinet Active CN215647973U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121740130.0U CN215647973U (en) 2021-07-29 2021-07-29 Novel temperature control mechanism for control cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121740130.0U CN215647973U (en) 2021-07-29 2021-07-29 Novel temperature control mechanism for control cabinet

Publications (1)

Publication Number Publication Date
CN215647973U true CN215647973U (en) 2022-01-25

Family

ID=79893173

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121740130.0U Active CN215647973U (en) 2021-07-29 2021-07-29 Novel temperature control mechanism for control cabinet

Country Status (1)

Country Link
CN (1) CN215647973U (en)

Similar Documents

Publication Publication Date Title
CN201515585U (en) Network equipment machine cabinet with cooling system
CN215647973U (en) Novel temperature control mechanism for control cabinet
CN210628746U (en) Rapid cooling type power distribution cabinet
CN209390604U (en) A kind of cabinet with power saving function
CN212304270U (en) Noise reduction type high-voltage power distribution cabinet
CN216218318U (en) Electric automatization cabinet cooling dehydrating unit
CN104080297B (en) Outdoor communication equipment cabinet provided with heat dissipation device
CN214944996U (en) Screw air compressor with built-in cooling system
CN208028389U (en) A kind of electrical cabinet of high heat dispersion
CN215681334U (en) Switch board with heat dissipation function
CN210663108U (en) Cooling mechanism of refrigeration equipment outer unit
CN208754610U (en) Communication cabinet radiator
CN210838647U (en) Combined power distribution cabinet
CN208862123U (en) A kind of electric automobile power battery cooling device
CN206993573U (en) A kind of good electric power equipment cabinet of thermal diffusivity
CN207635637U (en) A kind of energy conservation and environmental protection low temperature water cooling machine
CN211606373U (en) Simplify converter rack of converter control
CN206977440U (en) One kind shielding device
CN216903926U (en) Can realize block terminal of local and surface integration heat dissipation function
CN216290093U (en) Bus heat dissipation temperature control device
CN207200719U (en) A kind of shielding device of convenient disassembly
CN214669250U (en) Three-phase power meter box for electric power engineering construction
CN212485844U (en) Heat dissipation explosion-proof electric power cabinet
CN108989230A (en) A kind of home-use router based on Internet of Things
CN218332500U (en) Computer capable of monitoring temperature in real time and actively dissipating heat

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant