CN209877178U - Heat exchange member, heat exchanger, air condensing units and air conditioner - Google Patents

Heat exchange member, heat exchanger, air condensing units and air conditioner Download PDF

Info

Publication number
CN209877178U
CN209877178U CN201822248874.5U CN201822248874U CN209877178U CN 209877178 U CN209877178 U CN 209877178U CN 201822248874 U CN201822248874 U CN 201822248874U CN 209877178 U CN209877178 U CN 209877178U
Authority
CN
China
Prior art keywords
heat exchange
linear
main pipe
inlet
outlet
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
CN201822248874.5U
Other languages
Chinese (zh)
Inventor
袁俊军
王飞
丁爽
许文明
李阳
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.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp 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 Qingdao Haier Air Conditioner Gen Corp Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN201822248874.5U priority Critical patent/CN209877178U/en
Application granted granted Critical
Publication of CN209877178U publication Critical patent/CN209877178U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The utility model belongs to air conditioner heat transfer field discloses a heat transfer component, heat exchanger, air condensing units and air conditioner. Wherein, the heat transfer component includes: the heat exchanger comprises an inlet connecting piece, an outlet connecting piece and a plurality of linear heat exchange elements, wherein the inlet connecting piece, the outlet connecting piece and the plurality of linear heat exchange elements are communicated to form a parallel passage, each linear heat exchange element comprises a main pipe and a shoveling type fin arranged on the surface of the main pipe, the main pipe at least comprises two surfaces, and the shoveling type fins are arranged on the two surfaces of the main pipe. The utility model provides a heat transfer component, with the parallelly connected setting of a plurality of linear type heat transfer component, the adjacent shovel formula fin of being responsible for is difficult for causing the fin clearance, has prevented heat transfer area's waste, and then has improved heat transfer ability.

Description

Heat exchange member, heat exchanger, air condensing units and air conditioner
Technical Field
The utility model relates to an air conditioner heat transfer technical field, in particular to heat transfer component, heat exchanger, air condensing units and air conditioner.
Background
The main pipe is provided with a plurality of grooves, the main pipe is provided with a plurality of main pipes, the main pipe is provided with a plurality of main tubes, the main pipe is provided with a plurality of fins, and the main pipe is provided with a plurality of main tubes.
The existing heat exchange component has certain requirements on the hardness and thickness of the material of the main pipe due to the requirement on the processing performance, so that the heat exchanger cannot be transversely bent and can only complete a flow path by longitudinally bending, and in the bending process, the main body has high strength, rebounds after being bent for 180 degrees, needs external force for fixing, easily causes the fin gaps between adjacent fins, and wastes heat exchange area.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a heat transfer component, heat exchanger, air condensing units and air conditioner to form the fin clearance easily between the adjacent person in charge in solving fin formula heat transfer component, extravagant heat transfer area's problem. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to the utility model discloses the first aspect of the embodiment provides a heat transfer component.
In some optional embodiments, the heat exchange member comprises: the heat exchanger comprises an inlet connecting piece, an outlet connecting piece and a plurality of linear heat exchange elements, wherein the inlet connecting piece, the outlet connecting piece and the plurality of linear heat exchange elements are communicated to form a parallel passage, each linear heat exchange element comprises a main pipe and a shoveling type fin arranged on the surface of the main pipe, the main pipe at least comprises two surfaces, and the shoveling type fins are arranged on the two surfaces of the main pipe. Compare with the heat transfer element of snakelike shovel formula fin, the embodiment of the utility model provides an among the heat transfer component, adopt a plurality of linear type heat transfer elements, and a plurality of linear type heat transfer elements are the parallel, a plurality of linear type heat transfer elements adopt entry linkage spare and exit linkage spare intercommunication, need not to buckle, and the fin that adjacent was responsible for is difficult for causing the fin clearance, has prevented heat transfer area's waste, and then has improved heat transfer capacity.
In some optional embodiments, the heat exchange member defines that two adjacent linear heat exchange elements are a first linear heat exchange element and a second linear heat exchange element, wherein the main tube of the first linear heat exchange element includes at least a first surface and a second surface which are opposite to each other, the main tube of the second linear heat exchange element includes at least a third surface and a fourth surface which are opposite to each other, the first surface is provided with a first shoveling fin group, the second surface is provided with a second shoveling fin group, the third surface is provided with a third shoveling fin group, the fourth surface is provided with a fourth shoveling fin group, and a plurality of fins in the second shoveling fin group are respectively in contact with a plurality of fins in the third shoveling fin group.
In some optional embodiments, the heat exchange member, the main tube, is a hollow structure, and includes a tube wall and a through hole, wherein the cross section of the tube wall is polygonal, or the cross section of the through hole is polygonal, circular, or elliptical.
In some optional embodiments, the heat exchange member, the tube wall has a thickness greater than 0.3 mm.
In some optional embodiments, the heat exchange member, the plurality of linear heat exchange elements are arranged in parallel; or the main pipes of the plurality of linear heat exchange elements are arranged at equal intervals.
In some optional embodiments, the heat exchange member, the inlet connector comprises a first inlet, a first outlet set, and a first communication element communicating the first inlet and the first outlet set, wherein the first communication element comprises a first end and a second end opposite to each other, the first inlet is disposed at an intermediate position of the first end, and the plurality of outlets of the first outlet set are disposed at equal intervals at the second end.
In some optional embodiments, the heat exchange member, the outlet connection member comprises a second outlet, a second inlet group, and a second communication element communicating the second outlet and the second inlet group, wherein the second communication element comprises a third end and a fourth end opposite to each other, the second outlet is disposed at an intermediate position of the third end, and the plurality of inlets in the second inlet group are disposed at equal intervals at the fourth end.
According to the utility model discloses the second aspect of the embodiment provides a heat exchanger.
In some alternative embodiments, the heat exchanger comprises the heat exchange member of any one of the preceding claims.
According to the third aspect of the embodiment of the present invention, an outdoor unit of an air conditioner is provided.
In some optional embodiments, the outdoor unit of the air conditioner comprises the heat exchanger.
According to the utility model discloses the fourth method of embodiment provides an air conditioner.
In some optional embodiments, the air conditioner includes the air conditioner outdoor unit.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
the embodiment of the utility model provides a heat exchange component contains a plurality of both sides all is equipped with the linear type heat transfer component of shovel formula fin, and entry linkage spare and export linkage spare can regard as the fixed limit pipe of a plurality of linear type heat transfer components, fix a plurality of linear type heat transfer components, have improved the stability of the contact of shovel formula fin on two adjacent linear type heat transfer components, have effectively prevented the production in shovel formula fin clearance, have improved heat transfer component's heat transfer ability; compare with current snakelike component, the utility model provides a parallel heat transfer component need not to buckle, and more effectual heat transfer area that utilizes has prevented heat transfer area's waste, has further improved heat transfer component's heat transfer ability.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view illustrating a heat exchange member according to an exemplary embodiment.
Fig. 2 is a schematic structural view illustrating two adjacent linear heat exchange elements according to an exemplary embodiment.
FIG. 3 is a schematic diagram illustrating the construction of an inlet connector according to an exemplary embodiment.
FIG. 4 is a schematic diagram illustrating the construction of an outlet connection according to an exemplary embodiment.
1 inlet connecting piece, 101 first inlet, 102 first outlet group, 103 first communicating element, 2 outlet connecting piece, 201 second outlet, 202 second inlet group, 203 second communicating element, 3 linear heat exchanging element, 31 main pipe, 32 scraping type fin, 3011 first linear heat exchanging element, 3012 second linear heat exchanging element.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full ambit of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a structure, device or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations and positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the 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 therefore should not be construed as limiting the invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.
Herein, the term "plurality" means two or more, unless otherwise specified.
Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.
Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
An embodiment of the utility model provides a heat transfer component, as shown in fig. 1, include: the inlet connecting piece 1, the outlet connecting piece 2, and, a plurality of linear type heat exchange element 3(3 represents one among a plurality of linear type heat exchange element), wherein, inlet connecting piece, outlet connecting piece and a plurality of linear type heat exchange element intercommunication form the parallel connection route, and linear type heat exchange element is including being responsible for 31, and, set up in the shovel formula fin 32 of being responsible for the surface, is responsible for including two surfaces at least, and two surfaces of being responsible for all have a shovel formula fin.
The embodiment of the utility model provides a heat transfer component adopts entry connecting piece and exit linkage parallelly connected with a plurality of linear type heat transfer component, obtains the heat transfer component of a plurality of linear type heat transfer component parallel. The embodiment of the utility model provides an among the heat transfer component, a plurality of linear type heat transfer component are parallelly connected, compare with current snakelike heat transfer component, need not to buckle, just, the embodiment of the utility model provides a connected mode for connection between a plurality of linear type heat transfer component is more stable, non-deformable, and the shovel formula fin contact on two adjacent being responsible for is inseparable, has prevented heat radiating area's waste. The embodiment of the utility model provides a linear type heat transfer element's person in charge is both ends open-ended tubular structure. The embodiment of the present invention does not specifically limit the specific shape of the cross section of the main pipe, for example, the shape of the cross section of the main pipe may be a polygon such as a square, a rectangle, and a hexagon. Furthermore, the embodiment of the present invention does not specifically limit the length of the main pipe and the number of the shoveling fins. The utility model discloses linear type heat exchange element's material is the alloy that single metal or multiple metal constitute, and is specific, can be copper or aluminum alloy.
The utility model provides an entry linkage's structure can be: a tubular structure comprising an inlet and a plurality of outlets, the inlet communicating with the plurality of outlets, and similarly, the outlet connection may be of the same construction as the inlet connection.
Specifically, when the heat exchange member includes N linear heat exchange elements, the inlet connection member may be connected to the plurality of linear heat exchange elements in a manner of including a first connection port, a second connection port, a third connection port, … …, an nth connection port (the first connection port, the second connection port, the third connection port, … …, the nth connection port may be a plurality of outlets in a first outlet group, which will be described later), the first connection port using the inlet connection member is connected to the inlet of the first linear heat exchange element, the second connection port using the inlet connection member is connected to the inlet of the second linear heat exchange element, the third connection port using the inlet connection member is connected to the inlet of the third linear heat exchange element, … …, the nth connection port using the inlet connection member is connected to the inlet of the nth linear heat exchange element. Similarly, the outlet connector may communicate with the plurality of linear heat exchange elements in a manner that the outlet connector includes a first connector, a second connector, a third connector, … …, an nth connector (the first connector, the second connector, the third connector, … …, the nth connector, which may be a plurality of inlets of a second inlet group, which will be described later), the first connector using the outlet connector communicates with the outlet of the first linear heat exchange element, the second connector using the outlet connector communicates with the outlet of the second linear heat exchange element, the third connector using the outlet connector communicates with the outlet of the third linear heat exchange element, … …, the nth connector using the outlet connector communicates with the outlet of the nth linear heat exchange element.
In the embodiment of the present invention, the expression "set in" the scraping fin set on the surface of the main pipe "means a positional relationship between the scraping fin and the main pipe, that is, the scraping fin is located on the surface of the main pipe, and further, as described above, the scraping fin is formed by scraping the surface of the main pipe.
The embodiment of the utility model provides a heat exchange member, as shown in fig. 2 (in fig. 2, entry connection spare and exit linkage spare are not shown), two adjacent linear heat transfer component of definition are first linear heat transfer component 3011 and second linear heat transfer component 3012, wherein, first linear heat transfer component's the person in charge includes relative first surface and second surface at least, second linear heat transfer component's the person in charge includes relative third surface and fourth surface at least, the first surface is provided with first shovel formula fin group, the second surface is provided with second shovel formula fin group, the third surface is provided with third shovel formula fin group, the fourth surface is provided with fourth shovel formula fin group, a plurality of fins in the second shovel formula fin group contact with a plurality of fins in the third shovel formula fin group respectively, as shown in fig. 2.
The embodiment of the utility model provides a linear type heat exchange element's the cross section of being responsible for can be the polygon, for example, square, rectangle, hexagon, etc. The embodiment of the utility model provides a linear type heat transfer element, the formula fin of shoveling can be two-sided setting, for example, sets up the formula fin of shoveling on two relative surfaces of the person in charge of linear type heat transfer element. When the cross section of the main pipe is square, the shoveling fins can be arranged on two opposite surfaces of the main pipe, and similarly, when the cross section of the main pipe is rectangular, the shoveling fins can be arranged on two opposite surfaces where two 'rectangular long' positions are located.
Further, the embodiment of the utility model provides a single linear heat exchange element's the person in charge's of two surfaces the quantity of the formula fin of cutting equals, and, every two adjacent distances between the formula fin of cutting equals, for example, first linear heat exchange element's first surface is at least including the first formula fin of cutting, second formula fin of cutting and the third formula fin of cutting of arranging in proper order, and first formula fin of cutting and the distance between the formula fin of cutting of second equals the distance between formula fin of cutting and the third formula fin of cutting. Furthermore, the number and the arrangement mode of the shoveled fins on the surface of the main pipe of the plurality of linear heat exchange elements are the same.
The embodiment of the utility model provides an among the heat transfer component, be responsible for hollow structure, including pipe wall and through-hole, wherein, the cross section of pipe wall is the polygon, perhaps, the cross section of through-hole is polygon, circular or oval.
Specifically, the cross-sectional shape of the tube wall may be square, rectangular, hexagonal, etc. Further, the inner diameter of the through hole in the pipe wall is small, so that the main pipe forms a micro-channel form, and particularly, the inner diameter of the through hole can be less than 0.3 mm. Further, the thickness of the pipe wall is more than 0.3 mm.
In the heat exchange member provided by the embodiment of the utility model, a plurality of linear heat exchange elements are arranged in parallel; alternatively, the plurality of linear heat exchange elements are arranged at equal intervals.
Specifically, the arrangement of the heat exchange elements described in the "parallel arrangement of a plurality of linear heat exchange elements" may be: every two adjacent linear type elements are parallel to each other, and further, the same sides of the linear type heat exchange elements are positioned on the same plane; the arrangement method of the heat exchange elements described in the description of the equidistant arrangement of the main pipes of the plurality of linear heat exchange elements can be as follows: the plurality of linear heat exchange elements are defined to at least comprise a first linear heat exchange element, a second linear heat exchange element and a third linear heat exchange element, and the parallel distance between a main pipe of the first linear heat exchange element and a main pipe of the second linear heat exchange element is equal to the parallel distance between a main pipe of the second linear heat exchange element and a main pipe of the third linear heat exchange element.
The embodiment of the utility model provides an among the heat exchange member, as shown in fig. 3, the entry connecting piece includes first entry 101, first export group 102, and, the first communicating element 103 of intercommunication first entry and first export group, wherein, first communicating element includes relative first end and second end, and first entry sets up in the intermediate position of first end, and a plurality of exports in the first export group set up at second end equidistance.
In the embodiment of the present invention, the first end and the second end of the first communicating member describe two sides of the first communicating member. The first inlet is arranged in the middle of the first end, so that the refrigerant flowing in from the first inlet can be uniformly distributed in the first communicating element, and further, the outlets in the first outlet group are equidistantly arranged at the second end of the first communicating element, so that the refrigerant in the first communicating element can uniformly flow out from the outlets in the first outlet group, and then uniformly flows into the linear heat exchange elements, and the uniformity of the distribution of the refrigerant among the linear heat exchange elements is improved.
The embodiment of the utility model provides an among the heat exchange member, as shown in FIG. 4, the exit linkage spare includes that the second exports 201, second entry group 202, and, the second intercommunication component 203 of intercommunication second export and second entry group, wherein, the second intercommunication component includes relative third tip and fourth tip, and the second export sets up in the intermediate position of third tip, and a plurality of entries in the second entry group are at fourth tip equidistance setting.
Similarly, the third end and the fourth end of the second communicating member in the embodiment of the present invention describe both sides of the second communicating member. In order to improve the uniformity of the outflow of the refrigerant in the linear heat exchange elements, the inlets of the second inlet group are equidistantly arranged at the fourth end, and further, the second outlet is arranged at the middle position of the third end.
The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. A heat exchange member, comprising: an inlet connection, an outlet connection, and, a plurality of linear heat exchange elements,
wherein the inlet connecting piece, the outlet connecting piece and the plurality of linear heat exchange elements are communicated to form a parallel passage,
the linear type heat exchange element comprises a main pipe and scraping fins arranged on the surface of the main pipe, the main pipe at least comprises two surfaces, the scraping fins are arranged on the two surfaces of the main pipe, and the quantity of the scraping fins on the two surfaces of the main pipe is equal.
2. The heat exchange member according to claim 1,
defining two adjacent linear heat exchange elements as a first linear heat exchange element and a second linear heat exchange element, wherein the main pipe of the first linear heat exchange element at least comprises a first surface and a second surface which are opposite, the main pipe of the second linear heat exchange element at least comprises a third surface and a fourth surface which are opposite,
the first surface is provided with a first shoveling type fin group, the second surface is provided with a second shoveling type fin group, the third surface is provided with a third shoveling type fin group, the fourth surface is provided with a fourth shoveling type fin group, and a plurality of fins in the second shoveling type fin group are respectively contacted with a plurality of fins in the third shoveling type fin group.
3. The heat exchange member according to claim 1,
the main pipe is a hollow structure and comprises a pipe wall and a through hole, wherein,
the cross section of the pipe wall is a polygon,
alternatively, the first and second electrodes may be,
the cross section of the through hole is polygonal, circular or elliptical.
4. The heat exchange member according to claim 3,
the thickness of the pipe wall is more than 0.3 mm.
5. The heat exchange member according to claim 1,
the plurality of linear heat exchange elements are arranged in parallel;
alternatively, the first and second electrodes may be,
the main pipes of the linear heat exchange elements are arranged at equal intervals.
6. The heat exchange member according to claim 1,
the inlet connection member includes a first inlet, a first outlet set, and a first communication element communicating the first inlet and the first outlet set,
wherein the first communicating element comprises a first end and a second end opposite to each other, the first inlet is arranged at a middle position of the first end, and the plurality of outlets in the first outlet group are arranged at equal intervals at the second end.
7. The heat exchange member according to claim 1,
the outlet connection member includes a second outlet, a second inlet group, and a second communication member communicating the second outlet and the second inlet group,
wherein the second communication element comprises third and fourth opposing ends, the second outlet is disposed at an intermediate position of the third end, and the plurality of inlets of the second inlet set are disposed equidistantly at the fourth end.
8. A heat exchanger, characterized by comprising the heat exchange member according to any one of claims 1 to 7.
9. An outdoor unit of an air conditioner, comprising the heat exchanger as recited in claim 8.
10. An air conditioner comprising the outdoor unit of claim 9.
CN201822248874.5U 2018-12-29 2018-12-29 Heat exchange member, heat exchanger, air condensing units and air conditioner Active CN209877178U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822248874.5U CN209877178U (en) 2018-12-29 2018-12-29 Heat exchange member, heat exchanger, air condensing units and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822248874.5U CN209877178U (en) 2018-12-29 2018-12-29 Heat exchange member, heat exchanger, air condensing units and air conditioner

Publications (1)

Publication Number Publication Date
CN209877178U true CN209877178U (en) 2019-12-31

Family

ID=68949911

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822248874.5U Active CN209877178U (en) 2018-12-29 2018-12-29 Heat exchange member, heat exchanger, air condensing units and air conditioner

Country Status (1)

Country Link
CN (1) CN209877178U (en)

Similar Documents

Publication Publication Date Title
WO2011132608A1 (en) Header tank for heat exchanger
CN102767922A (en) Distributing pipe for micro-channel heat exchanger and micro-channel heat exchanger
CN103411446A (en) Heat exchanger
EP3370019B1 (en) Heat exchanger
CN202734640U (en) Micro-channel heat exchanger and foamed metal fin thereof
CN202792701U (en) Distribution pipe and microchannel heat exchanger used for microchannel heat exchanger
CN105277040B (en) Heat exchanger
CN102878851A (en) Micro-channel heat exchanger and foam metal fins thereof
CN203908113U (en) Microchannel heat exchanger and heat exchanging device
CN209877178U (en) Heat exchange member, heat exchanger, air condensing units and air conditioner
US20140332188A1 (en) Heat exchanger
CN209877177U (en) Heat exchanger, air condensing units and air conditioner
CN210399235U (en) Heat exchange member, heat exchanger, air condensing units and air conditioner
CN209877175U (en) Heat exchanger, air condensing units and air conditioner
CN210321335U (en) Heat exchanger
CN210051186U (en) Three-medium heat exchanger
CN209877179U (en) Heat exchange member, heat exchanger, air condensing units and air conditioner
CN202041023U (en) Surface air cooler of air conditioner
CN215810397U (en) Micro-channel heat exchange structure
CN206160567U (en) Condenser
CN105571348B (en) The heat exchanger that a kind of finned tube angle is gradually changed
CN212620242U (en) Radiating tube structure with wavy flying wings
CN105627789B (en) A kind of heat exchanger of intercommunicating pore number change
CN111520934A (en) Heat exchanger and air conditioner with same
CN108344210B (en) Parallel flow heat exchange system for improving heat exchange efficiency

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant