CN208503060U - Turbofan - Google Patents
Turbofan Download PDFInfo
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- CN208503060U CN208503060U CN201820640441.1U CN201820640441U CN208503060U CN 208503060 U CN208503060 U CN 208503060U CN 201820640441 U CN201820640441 U CN 201820640441U CN 208503060 U CN208503060 U CN 208503060U
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- turbofan
- flabellum
- circular arc
- rotor
- storage case
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Abstract
The application provides a kind of turbofan, including rotor storage case and blade structure.The blade structure is arranged around the rotor storage case, and is fixed on the periphery of the rotor storage case, and including multiple along same direction extension and spaced flabellum.The section of the flabellum is circular arc, and the length of the circular arc is the 1/8-1/6 of the circumference of circle where the circular arc.It is the flabellum of circular arc by setting section, when the turbofan is rotated along the corresponding direction of recess of the flabellum, the arcuate structure of the flabellum can push more air, so that air quantity is bigger.Meanwhile the length of the circular arc is the 1/8-1/6 of the circumference of circle where the circular arc, so that the flabellum is had suitable radian, windage can be effectively reduced, and then effectively reduces noise and increase air quantity.
Description
Technical field
This application involves field of radiating, more particularly to a kind of turbofan.
Background technique
In recent years, the breakthrough of artificial intelligence is that information industry brings earth-shaking variation, is based on asic chip, FPGA
The accelerator card of chip is realized faster data and is acquired, at data by intelligent algorithm, especially deep learning algorithm
Reason, classification prediction.Above-mentioned accelerator card realizes the reduction on the order of magnitude in the calculating time.Also hardware calculation power is proposed higher
It is required that however calculate the raising of power, accordingly bring the raising of board power consumption, board radiator structure and the contact surface in the external world are limited, this
Just to the airflow pressure of fan and low noise, more stringent requirements are proposed.
Currently, common board radiator fan has aerofoil fan and two kinds of turbofan, the cooling performance of fan is mainly taken
Certainly in the air quantity of fan and wind pressure.And traditional turbofan increases the revolving speed that air quantity needs to increase fan, can bring make an uproar in this way
The aggravation of sound cannot combine Wind Volume and low noise.
Summary of the invention
Based on this, it is necessary to aiming at the problem that traditional turbofan cannot combine Wind Volume and low noise, provide
A kind of turbofan.
A kind of turbofan, comprising:
Rotor storage case；
Blade structure is arranged around the rotor storage case, and is fixed on the periphery of the rotor storage case, and wraps
Include it is multiple extend along the same direction and spaced flabellum, the section of the flabellum are circular arc, the length of the circular arc is
The 1/8-1/6 of the circumference of circle where the circular arc.
The rotor storage case includes: in one of the embodiments,
Bucket is stored, the storage bucket surrounds and forms a fan propeller storage space, for storing fan propeller；And
The annular connecting plate being fixedly connected with the outer rim of the storage bucket, the blade structure is around the annular connecting plate
Setting, and be fixedly connected with the annular connecting plate.
The storage bucket includes: in one of the embodiments,
Store bucket top plate；
Barrel side plate is stored, is fixed around the edge setting of the storage bucket top plate, and with the edge of the storage bucket top plate
Connection, the annular connecting plate are fixedly installed on the one end of the storage barrel side plate far from the storage bucket top plate.
The storage bucket further includes multiple heat release holes in one of the embodiments, is opened in the storage bucket surface.
The turbofan further includes the annular around rotor storage case setting in one of the embodiments,
Bracket, the ring support are fixedly connected with the multiple flabellum.
The ring support is set to one of the flabellum far from the annular connecting plate in one of the embodiments,
End.
The diameter of the circular arc of the flabellum is the 1/10-1/6 of the blade structure outer diameter in one of the embodiments,.
The axis perpendicular of the flabellum is in the annular connecting plate in one of the embodiments,.
The both ends of the circular arc are respectively the inlet air close to rotor storage case setting in one of the embodiments,
End, and the outlet air end far from the wind inlet end, the wind inlet end are blade-like.
The circular arc is in the tangent line of the outlet air end and the outer rim of the blade structure in institute in one of the embodiments,
The angle for stating the tangent line of outlet air end is acute angle.
Outer rim cutting in the outlet air end of the outlet air end perpendicular to the blade structure in one of the embodiments,
Line.
The turbofan further includes installation chassis in one of the embodiments, including mounting plate and is set to institute
The side plate of mounting plate periphery is stated, the side plate and the mounting plate surround to form a groove, and the side plate offers crossed beam trunking,
The connection that the installation chassis and the rotor storage case relatively rotate.
The turbofan further includes fan terminal in one of the embodiments, comprising:
Linking arm, one end are fixedly connected with the side plate；
Crimping arm, one end are fixedly connected with the linking arm far from one end of the side plate, the other end and the side sheet room
Every setting, the crimping arm and linking arm are generally aligned in the same plane with the mounting plate, and the crimping arm is stored far from the rotor
The surface of shell offers pressuring line groove, and the pressuring line groove is oppositely arranged with the crossed beam trunking.
Turbofan provided by the embodiments of the present application, including rotor storage case and the blade structure being attached thereto.Pass through
The flabellum that section is circular arc is set, it is described when the turbofan is rotated along the corresponding direction of recess of the flabellum
The arcuate structure of flabellum can push more air, so that air quantity is bigger.Meanwhile the length of the circular arc is the circle
The 1/8-1/6 of the circumference of circle where arc, makes the flabellum have suitable radian, windage can be effectively reduced, and then effectively
Ground reduces noise and increases air quantity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the turbofan that one embodiment of the application provides；
Fig. 2 is the schematic top plan view for the turbofan that one embodiment of the application provides；
Fig. 3 is the airflow pressure test effect figure for the turbofan that one embodiment of the application provides；
Fig. 4 is the partial enlargement diagram of Fig. 2 centre circle a-quadrant；
Fig. 5 is the schematic top plan view for the turbofan that another embodiment of the application provides；
Fig. 6 is the bottom substance schematic diagram for the turbofan that one embodiment of the application provides；
Fig. 7 is the decomposition texture schematic diagram for the turbofan that one embodiment of the application provides；
Fig. 8 is the partial enlargement diagram of Fig. 7 centre circle B area.
Drawing reference numeral explanation:
10 turbofan
100 rotor storage cases
110 storage buckets
112 storage bucket top plates
114 storage barrel side plates
116 heat release holes
120 annular connecting plates
200 blade structures
210 flabellums
212 wind inlet ends
214 outlet air ends
300 ring supports
400 installation chassis
410 mounting plates
420 side plates
422 crossed beam trunkings
500 fan terminals
510 linking arms
520 crimping arms
522 pressuring line grooves
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.
Referring to Figure 1 and Fig. 2, the application provide a kind of turbofan 10, including rotor storage case 100 and flabellum knot
Structure 200.The blade structure 200 is arranged around the rotor storage case 100, and is fixed on the rotor storage case 100
Periphery, and including it is multiple along the same direction extend and spaced flabellum 210.The section of the flabellum 210 is circular arc,
The length of the circular arc is the 1/8-1/6 of the circumference of circle where the circular arc.
The material of the rotor storage case 100 is unlimited, as long as being able to maintain shape.In one embodiment, described
The material of rotor storage case 100 can be metal or chemical products.For example, the material of the rotor storage case 100 can be with
For aluminum or aluminum alloy.In one embodiment, the section of the rotor storage case 100 can be circle.The flabellum 210
Material it is unlimited, as long as being able to maintain shape.In one embodiment, the material of the rotor storage case 100 can be
Metal or chemical products.For example, the material of the rotor storage case 100 can be aluminum or aluminum alloy.In one embodiment,
The blade structure 200 is integrally formed with the rotor storage case 100, and overall structure is more stable.
Eccentric axial pair of the multiple flabellums 210 of the blade structure 200 relative to the rotor storage case 100
Claim.The length of the circular arc of 210 section of flabellum is the 1/8-1/6 of the circumference of circle where the circular arc, it will be understood that institute
Stating central angle corresponding to circular arc is 45 ° -60 °.The shape of the flabellum 210 is the 1/8-1/6 of cylinder, is in " tile " shape.?
In one embodiment, the length of the circular arc is 1/7 of the circumference of circle where the circular arc.
In the present embodiment, the turbofan 10 is the flabellum 210 of circular arc by setting section, when the turbine
When fan 10 is rotated along the corresponding direction of recess of the flabellum 210, the arcuate structure of the flabellum 210 can be pushed more
Air, so that air quantity is bigger.Meanwhile the length of the circular arc is the 1/8-1/6 of the circumference of circle where the circular arc, is made
The flabellum 210 has suitable radian, and windage can be effectively reduced, and then effectively reduces noise and increase air quantity.
In one embodiment, the rotor storage case 100 includes storage bucket 110 and stores bucket 110 with described
The annular connecting plate 120 that outer rim is fixedly connected.The storage bucket 110 surrounds and forms a fan propeller storage space, is used for
Store fan propeller.The blade structure 200 around the annular connecting plate 120 be arranged, and with the annular connecting plate 120
It is fixedly connected.
In one embodiment, axle center of the annular connecting plate 120 perpendicular to the storage bucket 110.Implement at one
In example, the blade structure 200 can be spaced with the storage bucket 110 to be arranged.In one embodiment, the blade structure
200 can be fixedly connected with the storage bucket 110.In one embodiment, the annular connecting plate 120 and the storage bucket
110 junction is set as arc, can reduce windage, reduces noise.In one embodiment, the storage bucket 110 and institute
State the integrated molding of annular connecting plate 120, stable structure.
In one embodiment, the storage bucket 110 includes storage bucket top plate 112 and storage barrel side plate 114.The storage
Barrel side plate 114 is arranged around the edge of the storage bucket top plate 112, and is fixedly connected with the edge of the storage bucket top plate 112.
The annular connecting plate 120 is fixedly installed on the one end of the storage barrel side plate 114 far from the storage bucket top plate 112.It is described
When turbofan 10 rotates, air-flow flows through the storage barrel side plate 114 from the storage bucket top plate 112, until the annular
Connecting plate 120.
In one embodiment, the storage bucket 110 further includes multiple heat release holes 116.The multiple heat release hole 116 is opened
Set on 110 surface of storage bucket.In one embodiment, the multiple heat release hole 116 is opened in the storage bucket top plate
112, it can be faster to the rotor heat dissipation in the rotor storage case 100.In one embodiment, the multiple heat release hole
116 are opened in the storage barrel side plate 114.In one embodiment, the heat release hole 116 can be spacedly distributed.It is described to dissipate
The shape of hot hole 116 is unlimited.In one embodiment, the shape of the heat release hole 116 can be round or polygon.Specifically
Ground, the shape of the heat release hole 116 can be triangle, quadrangle or hexagon.In the present embodiment, the heat release hole 116
Inside perforation to the rotor storage case 100, convenient for radiating to rotor.
In one embodiment, the turbofan 10 further includes the annular around the rotor storage case 100 setting
Bracket 300.The ring support 300 is fixedly connected with the multiple flabellum 210.In one embodiment, the ring support
300 are fixedly connected with all flabellums 210 in the blade structure 200.In one embodiment, the ring support
300 are integrally formed with the blade structure 200.In the present embodiment, the ring support 300 makes the blade structure 200 more
Stablize, avoids the flabellum 210 from shaking and generate noise.
In one embodiment, the ring support 300 is set to the flabellum 210 far from the annular connecting plate 120
One end.It is separately fixed at multiple flabellums 210 together at the both ends of the vertical direction of the annular connecting plate 120, makes
The stability of the blade structure 200 is higher, avoids the flabellum 210 from shaking and generates noise.
In one embodiment, the diameter of the flabellum 210 is the 1/10-1/6 of 200 outer diameter of blade structure.One
In a embodiment, the diameter of the flabellum 210 can be the 1/9 of 200 outer diameter of blade structure.In one embodiment, institute
The diameter for stating flabellum 210 can be the 1/8 of 200 outer diameter of blade structure.In one embodiment, the flabellum 210 is straight
Diameter can be the 1/7 of 200 outer diameter of blade structure.In one embodiment, the radian length of 210 section of flabellum can be
6.09mm.In one embodiment, the outer diameter of the blade structure 200 can be 66mm.
In the present embodiment, the flabellum 210 and the size of the turbofan 10 are coordinated, and overall co-ordination is more
Well, the case where making air inlet and the outlet, more balances.So that the air quantity of the wind outlet of the turbofan 10 and wind pressure be made to have reached reason
The effect thought (referring to Fig. 3).In one embodiment, the revolving speed of the turbofan 10 can be 4900rpm.
In one embodiment, the axle center of the flabellum 210 can be perpendicular to the annular connecting plate 120.It is appreciated that
The flabellum 210 is whole perpendicular to the annular connecting plate 120, and the air-out direction for making the turbofan 10 and the annular are even
Fishplate bar 120 is parallel.In one embodiment, the flabellum 210 can be obliquely installed in 120 surface of annular connecting plate.Circle
The flabellum 210 of arcuation has concave face and the projecting surface opposite with the concave face.When the flabellum 210 concave face with
When angle of the annular connecting plate 120 close to the surface of the storage bucket top plate 112 is at an acute angle, the turbofan 10 goes out
Wind direction is concentrated on close to the direction of the annular connecting plate 120.When the concave face and the annular connecting plate of the flabellum 210
120 close to it is described storage bucket top plate 112 surface angle in obtuse angle when, the air-out direction of the turbofan 10 concentrates on far
Direction from the annular connecting plate 120.
Please also refer to Fig. 4.In one embodiment, the both ends of the circular arc are respectively close to the rotor storage case
The wind inlet end 212 of 200 settings, and the outlet air end 214 far from the wind inlet end 212, the wind inlet end 212 are blade-like.It is described
Air-flow caused by turbofan 10 rotates enters the blade structure 200 from the wind inlet end 212, flows from the outlet air end 214
The blade structure 200 out.The wind inlet end 212 enters the fan for intercepting in 200 rotation process of blade structure
The air-flow of impeller structure 200.In the present embodiment, the wind inlet end 212 is set as blade-like, can reduce windage, more convenient to cut
Air-flow is cut, to reduce noise.
In one embodiment, the circular arc is in the tangent line of the outlet air end 214 and the outer rim of the blade structure 200
It is acute angle in the angle of the tangent line of the outlet air end 214.In one embodiment, the angle can be 30 ° -60 °.At one
In embodiment, the angle can be 45 °.
In the present embodiment, the circular arc is in the tangent line of the outlet air end 214 and the outer rim of the blade structure 200 in institute
The angle for stating the tangent line of outlet air end 214 is acute angle, and the axle center of the flabellum 210 can be made close to the rotor storage case 200
Axle center.The flabellum 210 that such angle is arranged can make air-flow more longlasting by the flabellum 210 drive acceleration, thus
It brings and goes out wind velocity faster, increase air quantity.
Please also refer to Fig. 5.In one embodiment, the ring support 300 is set to the outlet air end 214 and institute
The one end of flabellum 210 far from the annular connecting plate 120 is stated, the ring support 300 can play blocking in air-flow outlet air
Effect prevents air-flow from blowing to the direction far from the annular connecting plate 120.In one embodiment, the outlet air end 214 is vertical
In 200 outer rim of blade structure in the tangent line of the outlet air end 214, it is convenient for 10 outlet air of turbofan.
Please also refer to Fig. 6.In one embodiment, the turbofan 10 further includes installation chassis 400.The installation
Chassis 400 includes mounting plate 410 and the side plate 420 for being set to 410 periphery of mounting plate.The side plate 420 and the installation
Plate 410, which surrounds, forms a groove.The side plate 420 offers crossed beam trunking 422.The installation chassis 400 is received with the rotor
The connection that shell 100 of receiving relatively rotates.
In one embodiment, the installation chassis 400 is fixedly installed on a mounting surface.The installation chassis 400 with
The mounting surface can be fixedly connected by screw.Specifically, three are equidistantly provided in the periphery of the installation chassis 400
Screw hole, and linked together with screw and the mounting surface.The material of the installation chassis 400 is unlimited, as long as being able to maintain shape
Shape.In one embodiment, the installation chassis 400 can be metal.Specifically, the installation chassis 400 can be
Aluminum or aluminum alloy is conducive to the heat dissipation of the turbofan 10.The shape of the installation chassis 400 is unlimited.In one embodiment
In, the shape of the installation chassis 400 can be plectane or polygonal panel.In one embodiment, it is spaced in the side plate 420
Multiple cutting edges are set, make the installation chassis 400 in irregular cycle, avoid installation chassis 400 described in production process because
Scale error leads to the problem of install failure.In one embodiment, the side plate 420 is perpendicular to the mounting plate 410.Institute
Groove is stated for accommodating rotor.The crossed beam trunking 422 is used to that the line for connecting rotor to be made to pass through, convenient for assembly.The installation chassis
400 are provided with shaft in shaft core position towards the side of the rotor storage case 100, and fan propeller is installed on the shaft simultaneously
It can be rotated around the shaft.
Please also refer to Fig. 6 and Fig. 7.In one embodiment, the turbofan 10 further includes fan terminal 500.Institute
Stating fan terminal 500 includes linking arm 510 and crimping arm 520.Described 510 one end of linking arm is fixedly connected with the side plate 420.
Described 520 one end of crimping arm is fixedly connected with the linking arm 510 far from one end of the side plate 420, the other end and the side
The setting of the interval of plate 420.The crimping arm 520 and linking arm 510 are generally aligned in the same plane with the mounting plate 410.The crimping arm
520 surfaces far from the rotor storage case 100 offer pressuring line groove 522, the pressuring line groove 522 and the crossed beam trunking 422
It is oppositely arranged.
In one embodiment, the crimping arm 520 and 510 shape of linking arm are at L-shaped.The fan terminal 500 is used
In the connecting line for protecting the turbofan 10.In one embodiment, the shape of the fan terminal 500 can be annular.
The interval of the crimping arm 520 and the side plate 420 forms an opening, and the opening passes through convenient for connecting line hence into institute
It states in fan terminal 500.The pressuring line groove 522 can make to form gap between the fan terminal 500 and the pedestal 100, just
It is passed through in connecting line.In one embodiment, the fan terminal 500 is integrally formed with the installation chassis 400.In a reality
It applies in example, the fan terminal 500 is identical as 400 thickness of installation chassis.
In the present embodiment, the connecting line leads to the pressuring line groove 522 from the crossed beam trunking 422, then draws, can
Connecting line encirclement to be protected.It avoids the turbofan 10 from influencing connecting line when rotating, plays the role of anti-interference.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (13)
1. a kind of turbofan characterized by comprising
Rotor storage case (100)；
Blade structure (200) is arranged around the rotor storage case (100), and is fixed on the rotor storage case (100)
Periphery, and including it is multiple along the same direction extend and spaced flabellum (210), the section of the flabellum (210) be
Circular arc, the length of the circular arc are the 1/8-1/6 of the circumference of circle where the circular arc.
2. turbofan as described in claim 1, which is characterized in that the rotor storage case (100) includes:
It stores bucket (110), a fan propeller storage space is surrounded and formed to the storage bucket (110), turns for storing fan
Son；And
The annular connecting plate (120) being fixedly connected with the outer rim of storage bucket (110), the blade structure (200) is around institute
Annular connecting plate (120) setting is stated, and is fixedly connected with the annular connecting plate (120).
3. turbofan as claimed in claim 2, which is characterized in that the storage bucket (110) includes:
It stores bucket top plate (112)；
Store barrel side plate (114), around it is described storage bucket top plate (112) edge setting, and with the storage bucket top plate (112)
Edge be fixedly connected, the annular connecting plate (120) is fixedly installed on the storage barrel side plate (114) far from the storage bucket
One end of top plate (112).
4. turbofan as claimed in claim 2, which is characterized in that the storage bucket (110) further includes multiple heat release holes
(116), it is opened in storage bucket (110) surface.
5. turbofan as described in claim 1, which is characterized in that further include being set around the rotor storage case (100)
The ring support (300) set, the ring support (300) are fixedly connected with the multiple flabellum (210).
6. turbofan as claimed in claim 5, which is characterized in that the ring support (300) is set to the flabellum
(210) far from the one end of the annular connecting plate (120).
7. turbofan as described in claim 1, which is characterized in that the diameter of the circular arc of the flabellum (210) is the fan
The 1/10-1/6 of impeller structure (200) outer diameter.
8. turbofan as claimed in claim 2, which is characterized in that the axis perpendicular of the flabellum (210) is in the annular
Connecting plate (120).
9. turbofan as described in claim 1, which is characterized in that the both ends of the circular arc are respectively to receive close to the rotor
Receive shell (100) setting wind inlet end (212), and far from the wind inlet end (212) outlet air end (214), the wind inlet end
It (212) is blade-like.
10. turbofan as claimed in claim 9, which is characterized in that the circular arc the outlet air end (214) tangent line with
The angle of tangent line of the outer rim of the blade structure (200) in the outlet air end (214) is acute angle.
11. turbofan as claimed in claim 9, which is characterized in that the outlet air end (214) is perpendicular to the blade structure
(200) tangent line of the outer rim in the outlet air end (214).
12. turbofan as described in claim 1, which is characterized in that further include installation chassis (400), including mounting plate
(410) and it is set to the side plate (420) of the mounting plate (410) periphery, the side plate (420) and the mounting plate (410) are wrapped
It encloses to form a groove, the side plate (420) offers crossed beam trunking (422), and the installation chassis (400) and the rotor are stored
The connection that shell (100) relatively rotates.
13. turbofan as claimed in claim 12, which is characterized in that further include fan terminal (500), comprising:
Linking arm (510), one end are fixedly connected with the side plate (420)；
Crimping arm (520), one end and the linking arm (510) are fixedly connected far from the one end of the side plate (420), the other end with
Side plate (420) interval setting, the crimping arm (520) and linking arm (510) and the mounting plate (410) are located at same flat
Face, the crimping arm (520) offer pressuring line groove (522), the pressuring line groove far from the surface of the rotor storage case (100)
(522) it is oppositely arranged with the crossed beam trunking (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640441.1U CN208503060U (en) | 2018-04-28 | 2018-04-28 | Turbofan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640441.1U CN208503060U (en) | 2018-04-28 | 2018-04-28 | Turbofan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503060U true CN208503060U (en) | 2019-02-15 |
Family
ID=65298113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820640441.1U Active CN208503060U (en) | 2018-04-28 | 2018-04-28 | Turbofan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443182A (en) * | 2018-04-28 | 2018-08-24 | 北京中科寒武纪科技有限公司 | Turbofan |
-
2018
- 2018-04-28 CN CN201820640441.1U patent/CN208503060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443182A (en) * | 2018-04-28 | 2018-08-24 | 北京中科寒武纪科技有限公司 | Turbofan |
| CN108443182B (en) * | 2018-04-28 | 2024-05-03 | 中科寒武纪科技股份有限公司 | Turbofan |
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Address after: 100190 room 644, comprehensive research building, No. 6 South Road, Haidian District Academy of Sciences, Beijing Patentee after: Zhongke Cambrian Technology Co., Ltd Address before: 100190 room 644, comprehensive research building, No. 6 South Road, Haidian District Academy of Sciences, Beijing Patentee before: Beijing Zhongke Cambrian Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |