CN219934326U - Energy-saving air source heat pump - Google Patents

Energy-saving air source heat pump Download PDF

Info

Publication number
CN219934326U
CN219934326U CN202320893158.0U CN202320893158U CN219934326U CN 219934326 U CN219934326 U CN 219934326U CN 202320893158 U CN202320893158 U CN 202320893158U CN 219934326 U CN219934326 U CN 219934326U
Authority
CN
China
Prior art keywords
shell
energy
fixedly connected
heat pump
source heat
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
CN202320893158.0U
Other languages
Chinese (zh)
Inventor
付红
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.)
Hubei Huiheze Ecological Agriculture Development Co ltd
Original Assignee
Hubei Huiheze Ecological Agriculture Development 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 Hubei Huiheze Ecological Agriculture Development Co ltd filed Critical Hubei Huiheze Ecological Agriculture Development Co ltd
Priority to CN202320893158.0U priority Critical patent/CN219934326U/en
Application granted granted Critical
Publication of CN219934326U publication Critical patent/CN219934326U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses an energy-saving air source heat pump which comprises a shell, wherein an evaporator and a condenser are transversely arranged in the shell at intervals, two connecting pipes are arranged between the evaporator and the condenser at intervals, a throttling device and a compressor are respectively arranged on the two connecting pipes, a solar panel is arranged above the shell, an angle adjusting component is arranged between the shell and the solar panel, a plurality of air outlets are formed in the left side of the shell, a cleaning component extending to the inside of the air outlets is arranged in the shell, a shell is fixedly connected between the front side wall and the rear side wall of the shell, a fan and an electric heating wire are arranged in the shell, and the energy-saving air source heat pump converts solar energy into electric energy to drive the cleaning component, the fan and the electric heating wire to clean and melt snow piles at an air outlet, so that the air outlet is smooth, the heat exchange rate is improved, and the energy-saving air source heat pump has the advantage of saving.

Description

Energy-saving air source heat pump
Technical Field
The utility model relates to the technical field of heat pumps, in particular to an energy-saving air source heat pump.
Background
The air source heat pump is an energy-saving device which utilizes high potential energy to enable heat to flow from low-position heat source air to high-position heat source, is a form of heat pump, and as the name suggests, the heat pump can convert low-position heat energy which cannot be directly utilized into high-position heat energy which can be utilized like a pump, so as to achieve the aim of saving part of high potential energy.
When the existing air source heat pump is operated, external air and internal air are required to circulate for heat exchange, but when a snowy weather is required, snow groups can block the exhaust holes, so that the heat cannot be exchanged, heat is difficult to be absorbed and utilized, the stability of the operation of the equipment is affected, the equipment is more power-consuming, and the energy conservation of the equipment is facilitated.
An energy-saving air source heat pump is proposed to solve the above problems.
Disclosure of Invention
The utility model aims to provide an energy-saving air source heat pump so as to solve the problems.
To achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an energy-saving air source heat pump, includes the shell, the inside horizontal interval of shell is equipped with evaporimeter and condenser, the evaporimeter with the interval is equipped with two connecting pipes between the condenser, two be equipped with throttling arrangement and compressor on the connecting pipe respectively, the top of shell is equipped with solar panel, the shell with be equipped with angle adjusting part between the solar panel, a plurality of gas outlets have been seted up in the left side of shell, be equipped with in the shell and extend to the inside clearance subassembly of gas outlet, fixedly connected with casing between the lateral wall around the shell, be equipped with fan and heating wire in the casing.
Preferably, the angle adjusting component comprises a sliding block, a first screw rod, a supporting rod, a protective shell and a first motor, wherein the top of the shell is fixedly connected with the protective shell positioned on the right of the solar panel, the top of the shell is fixedly connected with the first motor positioned in the protective shell, two front-back spaced sliding blocks are arranged above the shell, the top of the shell is rotationally connected with two front-back spaced first screw rods which penetrate through the two sliding blocks and extend to the interior of the protective shell respectively, the first screw rods are in threaded connection with penetrating parts of the sliding blocks, the two first screw rods extend to one end inside the protective shell, the same transmission component is arranged, and the supporting rod is hinged between the top of the shell and the back of the solar panel.
Preferably, the transmission assembly comprises a gear and a transmission belt, two first screw rods extend to one end inside the protective shell and are fixedly connected with the gear, and the transmission belt is connected between the two gears in a transmission mode.
Preferably, the cleaning assembly comprises a second motor, a second screw rod, a brush head, a connecting plate and a limiting rod, wherein the vertically placed connecting plate is arranged in the shell, the second motor is fixedly connected to the front side wall of the inner cavity of the shell, the output end of the second motor is coaxially and fixedly connected with the second screw rod which penetrates through the connecting plate backwards and is in threaded connection with the connecting plate, the second screw rod penetrates through one end of the connecting plate backwards and is rotationally connected with the rear side wall of the inner cavity of the shell, the limiting rod which penetrates through the lower end of the connecting plate and is in sliding connection with the connecting plate is fixedly connected between the front side wall and the rear side wall of the inner cavity of the shell, and a plurality of brush heads which are vertically distributed at equal intervals and respectively penetrate through a plurality of air outlets are fixedly connected to the left side of the connecting plate.
Preferably, a plurality of ventilation holes are formed in the front side and the rear side of the shell.
Preferably, two through pipes penetrating through the rear part of the shell are arranged on the condenser.
Preferably, the inside of the shell is fixedly connected with two wire meshes positioned on two sides of the electric heating wire.
Compared with the prior art, the utility model has the beneficial effects that: through solar panel, angle adjusting part, the fan, heating wire and clearance subassembly's cooperation, adjust solar panel to suitable angle through angle adjusting part, make solar panel high-efficient conversion electric energy, be used for angle adjusting part, clearance subassembly, fan and heating wire, when in the snowy weather, clear away the snow heap through clearance subassembly to the gas outlet, start the heating wire, the air of blowing through the fan, blow to the snow heap of gas outlet and make it melt, so that clear away, make equipment circulation of air smooth and easy, improve the heat exchange rate, and utilize to turn solar energy into electric energy drive part, make equipment more energy-conserving.
Drawings
The present utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
fig. 3 is a right side cross-sectional view of the housing of the present utility model.
In the accompanying drawings: 1. a housing; 2. an evaporator; 3. a condenser; 4. a connecting pipe; 5. a throttle device; 6. a compressor; 7. a solar panel; 8. an angle adjustment assembly; 81. a slide block; 82. a first screw rod; 83. a support rod; 84. a protective shell; 85. a first motor; 9. a transmission assembly; 91. a gear; 92. a transmission belt; 10. an air outlet; 11. cleaning the assembly; 111. a second motor; 112. a second screw rod; 113. a brush head; 114. a connecting plate; 115. a limit rod; 12. a housing; 13. a fan; 14. heating wires; 15. a vent hole; 16. a through pipe.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model. In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
In this embodiment, as shown in fig. 1-3, an energy-saving air source heat pump comprises a housing 1, an evaporator 2 and a condenser 3 are transversely arranged in the housing 1 at intervals, two connecting pipes 4 are arranged between the evaporator 2 and the condenser 3 at intervals, a throttling device 5 and a compressor 6 are respectively arranged on the two connecting pipes 4, a solar panel 7 is arranged above the housing 1, an angle adjusting component 8 is arranged between the housing 1 and the solar panel 7, a plurality of air outlets 10 are formed in the left side of the housing 1, a cleaning component 11 extending into the air outlets 10 is arranged in the housing 1, a shell 12 is fixedly connected between the front side wall and the rear side wall of the housing 1, and a fan 13 and an electric heating wire 14 are arranged in the shell 12.
In this embodiment, there is the battery through the electric wire connection on the solar panel 7 for storing surplus electric energy, when using, adjust solar panel 7 to suitable angle through angle adjustment subassembly 8, in the time of non-snowy weather, the electric energy of solar panel 7 conversion, a part is used for driving fan 13, drive the circulation of air, improve the heat exchange rate, another part stores in the battery, be used for reserve, when in snowy weather, clear away the snow heap to gas outlet 10 through cleaning component 11, avoid blocking up gas outlet 10, intermittently start heating wire 14, the air of blowing through fan 13, after being heated blows to the evaporimeter and absorbs partial heat, blow to the snow heap of gas outlet 10 and make it melt, so as to clear away, make equipment air circulation smooth and easy, improve the heat exchange rate, make the heat in air more easily absorbed and utilized, utilize solar energy conversion to electric energy drive partial part simultaneously, make equipment more energy-conserving.
The electric energy of the angle adjusting assembly 8, the cleaning assembly 11, the fan 13 and the heating wire 14 comes from the solar panel 7 and the storage battery, and the rest of the equipment comes from household or industrial electricity.
Preferably, as another embodiment of the present utility model, the angle adjusting assembly 8 includes a sliding block 81, a first screw rod 82, a supporting rod 83, a protecting shell 84 and a first motor 85, the top of the housing 1 is fixedly connected with the protecting shell 84 located at the right side of the solar panel 7, the top of the housing 1 is fixedly connected with the first motor 85 located inside the protecting shell 84, two sliding blocks 81 spaced front and back are arranged above the housing 1, the top of the housing 1 is rotatably connected with two first screw rods 82 which are spaced front and back and respectively penetrate through the two sliding blocks 81 and extend into the protecting shell 84, the first screw rods 82 are in threaded connection with penetrating positions of the sliding blocks 81, one end of the two first screw rods 82 extending into the protecting shell 84 is provided with the same transmission assembly 9, the supporting rod 83 is hinged between the top of the housing 1 and the back of the solar panel 7, the transmission assembly 9 includes a gear 91 and a transmission belt 92, one end of the two first screw rods 82 extending into the protecting shell 84 is fixedly connected with the gear 91, and the transmission belt 92 is connected between the two gears 91.
In this embodiment, when in use, the first motor 85 is started to drive the two first screw rods 82 to rotate simultaneously through the cooperation of the gear 91 and the driving belt 92, so that the sliding block 81 connected with the first motor moves left or right, and the solar panel 7 hinged with the first motor moves left or right along with the sliding block, so that the solar panel 7 tilts to a certain angle under the limit and support of the support rod 83.
As another embodiment of the present utility model, the cleaning assembly 11 includes a second motor 111, a second screw rod 112, a brush head 113, a connecting plate 114 and a limiting rod 115, wherein the connecting plate 114 is vertically disposed in the housing 1, the front side wall of the cavity of the housing 1 is fixedly connected with the second motor 111, the output end of the second motor 111 is coaxially and fixedly connected with the second screw rod 112 penetrating through the connecting plate 114 backwards and in threaded connection with the same, one end of the second screw rod 112 penetrating through the connecting plate 114 backwards is rotationally connected with the rear side wall of the cavity of the housing 1, the limiting rod 115 penetrating through the lower end of the connecting plate 114 and in sliding connection with the same is fixedly connected between the front side wall and the rear side wall of the cavity of the housing 1, and the left side of the connecting plate 114 is fixedly connected with a plurality of brush heads 113 which are vertically equidistantly distributed and respectively penetrate through a plurality of air outlets 10.
In this embodiment, the second motor 111 is started to drive the second screw rod 112 to rotate, and the connecting plate 114 in threaded connection with the second screw rod drives the brush head 113 connected with the connecting plate 114 to move forward or backward under the limit of the limit rod 115, so that the snow pile at the air outlet 10 is cleared.
Preferably, as another embodiment of the present utility model, a plurality of ventilation holes 15 are formed at both front and rear sides of the housing 1 for ventilation of external air.
Preferably, as another embodiment of the utility model, the condenser 3 is provided with two through pipes 16 penetrating to the rear of the housing 1.
The upper tube 16 is a water outlet tube for discharging hot water, and the lower tube 16 is a water inlet tube for feeding cold water for subsequent heating.
Preferably, as another embodiment of the present utility model, two wire netting positioned at both sides of the heating wire 14 are fixedly connected to the inside of the housing 12 for filtering the gas passing through the wire netting to prevent foreign materials from sticking to the wire netting.
Working principle: when in use, the solar panel 7 is adjusted to a proper angle through the angle adjusting component 8, the sun irradiates the solar panel 7, electric energy converted by the solar panel 7 is partially stored in the storage battery, the other part is used for driving the fan 13, air circulation is accelerated, the evaporator 2 absorbs heat from environmental heat energy in the air to evaporate heat transfer working medium, pressure and temperature rise after the working medium vapor is compressed by the compressor 6, when the high-temperature vapor is condensed into liquid through the condenser, released heat is transferred to water, heating is realized, the condensed heat transfer working medium returns to the evaporator through the expansion valve, the cycle is repeated, electric energy converted by the solar panel 7 is partially used for driving the fan 13 in a circulating way in a non-snowy weather, the other part is stored in the storage battery for standby, the second motor 111 is started to drive the second screw 112 to rotate, the connecting plate 114 in threaded connection with the second screw rod 114 is driven to move forwards or backwards under the limit of the limit rod 115, thereby removing heat from the air outlet 10, the intermittent air outlet 10 is intermittently started, the electric energy is more smoothly absorbed by the electric heating wire 14 after the fan 13 is used for the heat is blown to the heat exchange, the heat is more smoothly absorbed by the heat exchange equipment, and the heat is more easily absorbed by the heat of the heat exchange equipment after the heat is more smoothly blown to the heat exchange equipment, and the heat is more easily absorbed by the heat is more energy is more easily absorbed by the heat-saving equipment, and the heat is more energy is more easily absorbed by the equipment after the heat is more converted by the heat equipment, and the heat is more energy is more easily absorbed by the heat equipment, and the heat equipment.
In the description of the present specification, the descriptions of the terms "example," "an embodiment," "certain embodiments," "an exemplary embodiment," "an example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of this specification without the exercise of inventive faculty, and such equivalent modifications and alternatives are intended to be included within the scope of the utility model as defined in the claims.

Claims (7)

1. The utility model provides an energy-saving air source heat pump, includes shell (1), the inside horizontal interval of shell (1) is equipped with evaporimeter (2) and condenser (3), evaporimeter (2) with the interval is equipped with two connecting pipes (4) between condenser (3), two be equipped with throttling arrangement (5) and compressor (6) on connecting pipe (4) respectively, its characterized in that: the solar energy power generation device is characterized in that a solar panel (7) is arranged above the shell (1), an angle adjusting assembly (8) is arranged between the shell (1) and the solar panel (7), a plurality of air outlets (10) are formed in the left side of the shell (1), cleaning assemblies (11) extending to the air outlets (10) are arranged in the shell (1), a shell (12) is fixedly connected between the front side wall and the rear side wall of the shell (1), and a fan (13) and an electric heating wire (14) are arranged in the shell (12).
2. An energy-saving air source heat pump according to claim 1, wherein the angle adjusting component (8) comprises a sliding block (81), a first screw rod (82), a supporting rod (83), a protective shell (84) and a first motor (85), the top of the shell (1) is fixedly connected with the protective shell (84) positioned on the right of the solar panel (7), the top of the shell (1) is fixedly connected with the first motor (85) positioned in the protective shell (84), two sliding blocks (81) spaced front and back are arranged above the shell (1), the top of the shell (1) is rotationally connected with two first screw rods (82) which penetrate through the two sliding blocks (81) and extend to the interior of the protective shell (84) respectively, the first screw rods (82) are in threaded connection with penetrating positions of the sliding blocks (81), one end of the two first screw rods (82) extending to the interior of the protective shell (84) is provided with the same transmission component (9), and the top of the shell (1) and the solar panel (7) are hinged with the supporting rod (83).
3. An energy-saving air source heat pump according to claim 2, wherein the transmission assembly (9) comprises a gear (91) and a transmission belt (92), the two first screw rods (82) extend to one end inside the protective shell (84) and are fixedly connected with the gear (91), and the transmission belt (92) is connected between the two gears (91).
4. The energy-saving air source heat pump according to claim 1, wherein the cleaning assembly (11) comprises a second motor (111), a second screw rod (112), a brush head (113), a connecting plate (114) and a limiting rod (115), the connecting plate (114) which is vertically arranged is arranged in the shell (1), the second motor (111) is fixedly connected to the front side wall of the inner cavity of the shell (1), the output end of the second motor (111) is coaxially and fixedly connected with a second screw rod (112) which penetrates through the connecting plate (114) backwards and is in threaded connection with the connecting plate, the second screw rod (112) penetrates through one end of the connecting plate (114) backwards and is in rotary connection with the rear side wall of the inner cavity of the shell (1), the limiting rod (115) which penetrates through the lower end of the connecting plate (114) and is in sliding connection with the connecting plate is fixedly connected between the front side wall and the rear side wall of the inner cavity of the shell (1), and the left side of the connecting plate (114) is fixedly connected with a plurality of brush heads (113) which are vertically distributed equidistantly and respectively penetrate through a plurality of air outlets (10).
5. An energy-efficient air source heat pump according to claim 1, characterized in that the front and rear sides of the housing (1) are provided with a plurality of ventilation holes (15).
6. An energy efficient air source heat pump according to claim 1, characterized in that the condenser (3) is provided with two through pipes (16) penetrating to the rear of the housing (1).
7. An energy-efficient air source heat pump according to claim 1, characterized in that the inside of the housing (12) is fixedly connected with two wire netting located on both sides of the heating wire (14).
CN202320893158.0U 2023-04-20 2023-04-20 Energy-saving air source heat pump Active CN219934326U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320893158.0U CN219934326U (en) 2023-04-20 2023-04-20 Energy-saving air source heat pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320893158.0U CN219934326U (en) 2023-04-20 2023-04-20 Energy-saving air source heat pump

Publications (1)

Publication Number Publication Date
CN219934326U true CN219934326U (en) 2023-10-31

Family

ID=88488857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320893158.0U Active CN219934326U (en) 2023-04-20 2023-04-20 Energy-saving air source heat pump

Country Status (1)

Country Link
CN (1) CN219934326U (en)

Similar Documents

Publication Publication Date Title
CN111934206A (en) Automatic heat dissipation transformer case that can remove dust
KR200408782Y1 (en) The heating system using a solar collector
CN219934326U (en) Energy-saving air source heat pump
CN115332563A (en) Double-effect heat dissipation structure based on multi-stack fuel cells
CN209763390U (en) Refrigerating device with dehumidification function
CN114440474B (en) Combined cooling, heating and power system based on PVT assembly and operation method
CN216244999U (en) Quick heat dissipation device for vertical condenser
CN115411888A (en) Quick cooling device and early warning mechanism for overheat protection of generator
CN211425166U (en) Waste heat recovery utilizes device for polydextrose production
CN212029881U (en) Solar energy and air energy combined type household water heater
CN203719000U (en) Solar heat and cold central air conditioner heating and recycling system
CN206607912U (en) A kind of multifunctional traffic sentry box
CN212511801U (en) Air energy water tank assembly and air energy water heater
CN111256199B (en) Energy-saving intelligent heating system
CN220173686U (en) Novel power station energy-saving device
CN111829208A (en) Noise reduction type heat exchange system of air heat source pump
CN215929745U (en) Combined heating system
CN220958741U (en) Air circulation structure of phase-change energy-storage air conditioner
CN220853217U (en) Antifreezing closed cooling tower
CN110926251A (en) Energy-saving efficient heat exchanger
CN118232791B (en) Direct-drive type heat pump energy storage device for photovoltaic power supply
CN216557758U (en) Full frequency conversion air source heat pump set
CN218733431U (en) Energy storage device for wind power plant
CN212162877U (en) Concentrated charging device cabinet with wind-solar mutual supplementary electric function
CN221649248U (en) Electricity-saving water-saving plate-changing air cooling tower

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant