CN221444358U - Air conditioner with dehumidification stoving function - Google Patents

Air conditioner with dehumidification stoving function Download PDF

Info

Publication number
CN221444358U
CN221444358U CN202323510801.6U CN202323510801U CN221444358U CN 221444358 U CN221444358 U CN 221444358U CN 202323510801 U CN202323510801 U CN 202323510801U CN 221444358 U CN221444358 U CN 221444358U
Authority
CN
China
Prior art keywords
air
space
heating
air outlet
dehumidifying
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
CN202323510801.6U
Other languages
Chinese (zh)
Inventor
赖家凤
赵晓非
蔡平雄
毛荣
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.)
Beibu Gulf University
Original Assignee
Beibu Gulf University
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 Beibu Gulf University filed Critical Beibu Gulf University
Priority to CN202323510801.6U priority Critical patent/CN221444358U/en
Application granted granted Critical
Publication of CN221444358U publication Critical patent/CN221444358U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drying Of Solid Materials (AREA)

Abstract

The utility model provides an air conditioner with a dehumidifying and drying function, which comprises a condensing part, a heating part and a first fan, wherein a condensing space is formed around the condensing part, a first air inlet is formed in the condensing part, a condenser is arranged in the condensing space and used for refrigerating and condensing water vapor in air in the condensing space, the heating part is formed around the condensing space, the heating space is communicated with the condensing space through a first air pipe, an evaporator is arranged in the heating space and used for releasing heat to heat the air in the heating space, the first fan is used for blowing the air in the condensing space to the heating space, and a first air outlet is formed in the heating part and used for discharging the air in the heating space into an indoor space. The utility model aims to provide an air conditioner capable of simultaneously dehumidifying and drying.

Description

Air conditioner with dehumidification stoving function
Technical Field
The utility model relates to the technical field of air conditioners, in particular to an air conditioner with a dehumidifying and drying function.
Background
An air conditioner is an apparatus for adjusting and controlling parameters such as temperature, humidity, flow rate and the like of air in a building or a structure by using an artificial means, and along with economic development, the air conditioner has become an indispensable part of people in modern life; dehumidification is one of the main functions of an air conditioning system, and through the air conditioning dehumidification function, indoor environment is not excessively humid, indoor environment comfort can be improved, and meanwhile harmful substances such as bacteria and mold in air are prevented from breeding, so that respiratory tract and skin health of people are protected.
The dehumidification function of the current air conditioner generally compresses low-temperature low-pressure refrigerant gas into high-temperature high-pressure refrigerant gas by a compressor in the air conditioner, then the high-temperature high-pressure refrigerant gas is condensed by a condenser to form normal-temperature high-pressure refrigerant liquid, then the low-temperature low-pressure refrigerant liquid is formed through throttling action of a throttling element, the low-temperature low-pressure refrigerant liquid is changed into low-temperature low-pressure refrigerant gas after passing through an evaporator, heat exchange is carried out between the low-temperature low-pressure refrigerant gas and indoor high-temperature air, refrigeration is achieved, and at the moment, water vapor in an indoor environment is liquefied into small water drops when meeting cold, and flows out of a water outlet of the evaporator, so that dehumidification is achieved. Therefore, in the prior art, the dehumidification mode is realized through air flow obtained by refrigerating a condenser, and when the dehumidification mode is started, a user tends to feel colder and experience bad.
In the environment of the southern rainy weather or the southern rainy weather, people often need to dry while dehumidifying (to clothes and the like), and under the condition of starting a dehumidifying function, the compressor needs to continuously work, the air conditioner can continuously refrigerate and blow out cold air, so that the temperature of an indoor space gradually decreases along with time, and drying is difficult to realize while dehumidifying. Therefore, it is necessary to propose an air conditioner capable of simultaneously dehumidifying and drying.
Disclosure of utility model
The utility model mainly aims to provide an air conditioner with a dehumidifying and drying function.
In order to achieve the above object, the air conditioner with the dehumidifying and drying function provided by the utility model comprises a condensation component, a heating component and a first fan, wherein a condensation space is formed around the condensation component, the condensation component is provided with a first air inlet, a condenser is arranged in the condensation space and is used for refrigerating and condensing water vapor in air in the condensation space, the heating component is formed around the condensation space and is communicated with the heating space through a first air pipe, the heating space is provided with an evaporator, the evaporator is used for heating air in the heating space, the first fan is used for blowing air in the condensation space to the heating space, and the heating component is provided with a first air outlet which is used for discharging air in the heating space into an indoor space.
Preferably, the air conditioner with the dehumidifying and drying function further comprises a first heat exchange component and a second heat exchange component, wherein the first heat exchange component is used for being started in a refrigerating mode so as to absorb and discharge heat generated by the evaporator to an outdoor space; the second heat exchange component is used for being started in a heating mode so as to exchange the cold energy generated by the condenser to the outdoor space.
Preferably, the condensation component is provided with a second air outlet capable of being opened and closed, the second air outlet is used for communicating the condensation space with the indoor space, the first air pipe is provided with a valve, the valve is used for closing the first air pipe when being closed, the second air outlet is used for being opened in a refrigeration mode, and the valve is used for being closed in the refrigeration mode so as to discharge air in the condensation space to the indoor space; the second air outlet is used for being closed in a warm air dehumidification mode, and the valve is used for being opened in the warm air dehumidification mode so as to enable the condensation space to be communicated with the heating space.
Preferably, the air conditioner with the dehumidifying and drying functions further comprises a second fan, the heating part is provided with a second air inlet, the second fan is used for discharging air in the heating space into the indoor space, and the valve is used for sealing the first air pipe when the second fan works.
Preferably, the first air outlet is provided with a first air outlet grid, the second air outlet is provided with a second air outlet grid, the first air outlet grid is used for opening and closing to enable the first air outlet to be opened or closed, and the second air outlet grid is used for opening and closing to enable the second air outlet to be opened or closed.
Preferably, the heating part is further provided with an electric auxiliary heater for being turned on in a warm air dehumidifying mode and a heating mode to heat air in the heating space.
Preferably, the condensation space is provided with a water return port communicated with the condensation space and the external space, and the water return port is used for being communicated with a water return pipe so as to discharge condensed water in the condensation space.
Preferably, the air conditioner with the dehumidifying and drying functions further comprises a second air pipe, two ends of the second air pipe are open, one end of the second air pipe is open and is detachably connected with the first air outlet, and the other end of the second air pipe is used for extending towards the direction deviating from the ground.
Preferably, the first fan is arranged outside the condensation component, and a blowing port of the first fan is used for communicating with the first air inlet to ventilate into the condensation space.
Preferably, the air conditioner with the dehumidifying and drying functions further comprises a case, and the condensing part and the heating part are arranged in the case body of the case.
According to the technical scheme, when dehumidification and drying are needed, the first fan is used for introducing indoor humid air into the condensation space, the condenser is used for refrigerating to condense water vapor in the humid air, and the humid air becomes dry cold air, so that dehumidification is realized; and then the dry cold air passes through the first air pipe under the blowing of the first fan, the evaporator releases heat to heat the dry cold air into dry hot air, and the dry hot air is discharged into a room from the first air outlet, so that the indoor temperature of the dry hot air is not reduced, and the dry cold air can be dried.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of an air conditioner with dehumidifying and drying functions according to the present utility model;
fig. 2 is a schematic structural view of an air conditioner having a dehumidifying and drying function;
FIG. 3 is a schematic view of the air conditioner of FIG. 1 with the shield removed;
Fig. 4 is a schematic view of a structure of the air conditioner removing shield plate shown in fig. 3;
fig. 5 is a schematic view illustrating a structure of the air conditioner shown in fig. 4 with the first fan removed.
Reference numerals illustrate:
1-a condensing unit; 2-heating means; 3-a first fan; 4-a second fan; 5-a first air pipe; 6-a case; 7-shielding case; 11-condensing space; 12-a condenser; 13-a first air inlet; 14-a second air outlet; 21-heating space; 22-an evaporator; 23-a first air outlet; 24-a second air inlet.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. 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 addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
The utility model provides an air conditioner with a dehumidifying and drying function.
Referring to fig. 1 to 5, the air conditioner with dehumidifying and drying functions includes a condensation component 1, a heating component 2 and a first fan 3, wherein a condensation space 11 is formed around the condensation component 1, a first air inlet 13 is provided in the condensation component 1, a condenser 12 is provided in the condensation space 11, the condenser 12 is used for refrigerating and condensing water vapor in air in the condensation space 11, a heating space 21 is formed around the heating component 2, the heating space 21 is communicated with the condensation space 11 through a first air pipe 5, an evaporator 22 is provided in the heating space 21, the evaporator 22 is used for releasing heat to heat the air in the heating space 21, the first fan 3 is used for blowing the air in the condensation space 11 to the heating space 21, and the heating component 2 is provided with a first air outlet 23, and the first air outlet 23 is used for discharging the air in the heating space 21 into an indoor space. In this embodiment, the valve is an electrically controlled valve, and of course, the type of the valve is not limited thereto, and those skilled in the art can adjust the valve according to actual use needs.
In the technical scheme of the utility model, when dehumidification and drying are needed, the first fan 3 introduces indoor humid air into the condensation space 11, the condenser 12 condenses water vapor in the humid air by refrigeration, and the humid air becomes dry cold air, thereby realizing dehumidification; the dry and cool air is then blown by the first fan 3 through the first air duct 5, and the evaporator 22 releases heat to heat the dry and cool air into dry and warm air, which is then discharged into the room from the first air outlet 23, and the dry and warm air does not lower the indoor temperature, and can be dried.
Referring to fig. 4 and 5, the air conditioner with dehumidifying and drying function preferably further includes a first heat exchange member and a second heat exchange member, wherein the first heat exchange member is used for being activated in a cooling mode to absorb and discharge heat generated by the evaporator 22 to an outdoor space; the second heat exchange member is used to be activated in a heating mode to exchange the cold generated by the condenser 12 to the outdoor space. When the indoor temperature is high and the air conditioner needs to perform independent refrigeration (refrigeration mode), the first heat exchange component works to absorb and discharge the heat generated by the evaporator 22 to the outside, and the first fan 3 blows the cold air in the condensation space 11 to the indoor space for refrigeration; when the indoor temperature is low and the air conditioner needs to perform independent heating (heating mode), the second heat exchange component exchanges the cold energy generated by the condenser 12 to the outside, and the first fan 3 blows the hot air in the heating space 21 to the indoor space for heating. Therefore, the technical scheme of the utility model has an independent refrigerating mode, an independent heating mode and a warm air dehumidifying mode. In this embodiment, the air conditioner with the dehumidifying and drying function is provided with the first heat exchange component and the second heat exchange component at the same time, and of course, the first heat exchange component and the second heat exchange component may be selected according to actual situations, for example, the first heat exchange component is installed separately or the second heat exchange component is installed separately; the first heat exchange component is provided to realize an independent cooling mode, the second heat exchange component is provided to realize an independent heating mode, and the air conditioner with the dehumidifying and drying function still has a warm air dehumidifying mode and a dehumidifying and drying function under the condition that the first heat exchange component and the second heat exchange component are not provided.
Referring to fig. 1, 3 and 4, preferably, the condensation unit 1 is provided with a second air outlet 14 capable of being opened and closed, the second air outlet 14 is used for communicating the condensation space 11 with the indoor space, the first air duct 5 is provided with a valve, the valve is closed for closing the first air duct 5, the second air outlet 14 is used for being opened in a cooling mode, and the valve is closed in a cooling mode to discharge air in the condensation space 11 to the indoor space; the second air outlet 14 is configured to be closed in a warm air dehumidifying mode, and the valve is configured to be opened in the warm air dehumidifying mode to communicate the condensation space 11 with the heating space 21. When in the cooling mode, the second air outlet 14 is opened, the valve is closed, the first fan 3 blows the cold air in the condensation space 11 to the indoor space for cooling through the second air outlet 14, so that the air is not required to be directly discharged into the indoor space through the heating space 21, and the cooling effect is improved. When dehumidification and drying (warm air dehumidification mode) are needed, the second air outlet 14 is closed, the valve is opened, and the condensation space 11 is communicated with the heating space 21.
Referring to fig. 3, 4 and 5, preferably, the air conditioner with dehumidifying and drying function further includes a second fan 4, the heating unit 2 is provided with a second air inlet 24, the second fan 4 is used for discharging air in the heating space 21 into the indoor space, and the valve is used for closing the first air duct 5 when the second fan 4 works. When heating alone, the valve is closed to seal the first air pipe 5, the second fan 4 works to discharge the hot air in the heating space 21 from the first air outlet 23 to the indoor space for heating, and the air is directly discharged into the indoor space without passing through the condensation space 11, so that the heating effect is better.
Referring to fig. 3, preferably, the first air outlet 23 is provided with a first air outlet grid, and the second air outlet 14 is provided with a second air outlet grid, and the first air outlet grid is used for opening and closing to open or close the first air outlet 23, and the second air outlet grid is used for opening and closing to open or close the second air outlet 14. In this embodiment, the first air outlet 23 and the second air outlet 14 are respectively provided with a detachable shielding plate, and the first air outlet grid and the second air outlet grid are respectively provided with the shielding plates.
Referring to fig. 1 and 4, the heating unit 2 is preferably further provided with an electric auxiliary heater for heating the air in the heating space 21 by being turned on in a warm air dehumidifying mode and a heating mode. By arranging the electric auxiliary heater, the air in the heating space 21 is further heated so as to improve the heating effect; in this embodiment, the electric auxiliary heater is disposed in the heating space 21, however, the position of the electric auxiliary heater is not limited thereto, and those skilled in the art can adjust the position accordingly according to actual use requirements.
Referring to fig. 4 and 5, preferably, the condensation space 11 is provided with a water return port communicating the condensation space 11 with an external space, and the water return port is used for communicating a water return pipe to drain the condensed water in the condensation space 11. By arranging the water return port, the condensed water in the condensation space 11 is discharged, and damage to the condenser 12 is avoided. In this embodiment, the water return pipe is provided with a flow detection device, the flow detection device is used for detecting the water passing quantity of the water return pipe, and the detection device is further provided with a control module for controlling the running power of the air conditioner; when the indoor space air humidity is higher, the water passing amount of the water return pipe is larger, the water passing amount is higher than a set value, the control module controls the air conditioner to work at full power, the condenser 12 operates at high power to perform refrigeration so as to dehumidify the indoor air rapidly, the indoor air humidity is reduced along with continuous dehumidification of the air conditioner, the water passing amount is reduced to be lower than the set value, and the control module controls the air conditioner to reduce the working power; therefore, the dehumidifying effect is ensured and the energy-saving effect is achieved.
Referring to fig. 3 and 4, preferably, the air conditioner with dehumidifying and drying functions further includes a second air duct, two ends of the second air duct are open, one end of the second air duct is open and is detachably connected with the second air outlet 14, and the other end of the second air duct is used for extending towards the direction away from the ground. By providing the second duct, the air blown out from the condensation space 11 can be discharged to a space higher from the ground.
Referring to fig. 1, 4 and 5, preferably, the first fan 3 is disposed outside the condensation unit 1, and a blowing port of the first fan 3 is used to communicate with the first air inlet 13 to ventilate the condensation space 11. In this embodiment, the first fan 3 is a centrifugal fan, and of course, the types of the first fan 3 and the second fan 4 are not limited thereto, and other types of fans such as an axial flow fan or a cross flow fan may be used.
Referring to fig. 1 and 2, the air conditioner with dehumidifying and drying functions preferably further includes a cabinet 6, wherein the condensing unit 1 and the heating unit 2 are both disposed in the cabinet 6. In this embodiment, the condensation component 1 is disposed at an end of the chassis 6 facing away from the ground, and the heating component 2 is disposed at an end of the chassis 6 facing toward the ground, and the positions of the condensation component 1 and the heating component 2 are not limited thereto; the air conditioner is further provided with an air cabinet, the air cabinet is arranged outside the case 6, an accommodating space is formed around the air cabinet, a clothes hanger is arranged in the accommodating space, and the clothes hanger is arranged at a position corresponding to the first air outlet 23; thus, a user can conveniently hang the clothes on the clothes hanger to dry the clothes. In a preferred embodiment, the air conditioner is further provided with a shielding cover 7, said shielding cover 7 being used for shielding said first fan 3 from said second fan 4.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather utilizing equivalent structural changes made in the present utility model description and drawings or directly/indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (10)

1. The utility model provides an air conditioner with dehumidification stoving function, its characterized in that includes condensation part, heats part and first fan, condensation part surrounds and is formed with the condensation space, the condensation part is provided with first air intake, be provided with the condenser in the condensation space, the condenser is used for refrigerating and will the vapor in the air in the condensation space condenses, heat the part surrounds and forms and heats the space, heat the space with the condensation space passes through first tuber pipe intercommunication, it is provided with the evaporimeter to heat the space, the evaporimeter is used for exothermic in order to heat the air in space with, first fan is used for with the air in condensation space blows to the space heats, the part of heating is provided with first air outlet, first air outlet is used for with the air in space of heating is arranged in indoor space.
2. The air conditioner with a dehumidifying and drying function of claim 1, further comprising a first heat exchange part and a second heat exchange part, wherein the first heat exchange part is used for being started in a cooling mode to absorb and discharge heat generated by the evaporator to an outdoor space; the second heat exchange component is used for being started in a heating mode so as to exchange the cold energy generated by the condenser to the outdoor space.
3. The air conditioner with a dehumidifying and drying function according to claim 2, wherein the condensing part is provided with a second air outlet capable of being opened and closed, the second air outlet is used for communicating the condensing space with the indoor space, the first air duct is provided with a valve, the valve is closed for closing the first air duct, the second air outlet is used for being opened in a refrigerating mode, and the valve is closed in the refrigerating mode to discharge air in the condensing space to the indoor space; the second air outlet is used for being closed in a warm air dehumidification mode, and the valve is used for being opened in the warm air dehumidification mode so as to enable the condensation space to be communicated with the heating space.
4. The air conditioner with dehumidifying and drying function as claimed in claim 3, further comprising a second fan, wherein the heating part is provided with a second air inlet, the second fan is used for discharging air of the heating space into the indoor space, and the valve is used for closing the first air pipe when the second fan works.
5. The air conditioner with a dehumidifying and drying function as claimed in claim 4, wherein a first air outlet is provided with a first air outlet grid, a second air outlet grid is provided at the second air outlet, the first air outlet grid is used for opening and closing to open or close the first air outlet, and the second air outlet grid is used for opening and closing to open or close the second air outlet.
6. The air conditioner with a dehumidifying and drying function as claimed in claim 1, wherein the heating means is further provided with an electric auxiliary heater for being turned on in a warm air dehumidifying mode and a heating mode to heat air in the heating space.
7. The air conditioner with the dehumidifying and drying function according to claim 1, wherein the condensing space is provided with a water return port communicating the condensing space with an external space, the water return port being used for communicating a water return pipe to discharge water condensed in the condensing space.
8. The air conditioner with dehumidifying and drying function according to claim 1, further comprising a second air pipe, wherein two ends of the second air pipe are open, one end of the second air pipe is open and is detachably connected with the first air outlet, and the other end of the second air pipe is used for extending away from the ground.
9. The air conditioner with a dehumidifying and drying function as claimed in claim 1, wherein the first fan is disposed outside the condensing part, and a blowing port of the first fan is used to communicate with the first air inlet to ventilate into the condensing space.
10. The air conditioner with a dehumidifying and drying function as claimed in any one of claims 1 to 9, further comprising a cabinet, wherein the condensing part and the heating part are both disposed in a cabinet body of the cabinet.
CN202323510801.6U 2023-12-21 2023-12-21 Air conditioner with dehumidification stoving function Active CN221444358U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323510801.6U CN221444358U (en) 2023-12-21 2023-12-21 Air conditioner with dehumidification stoving function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323510801.6U CN221444358U (en) 2023-12-21 2023-12-21 Air conditioner with dehumidification stoving function

Publications (1)

Publication Number Publication Date
CN221444358U true CN221444358U (en) 2024-07-30

Family

ID=92060725

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323510801.6U Active CN221444358U (en) 2023-12-21 2023-12-21 Air conditioner with dehumidification stoving function

Country Status (1)

Country Link
CN (1) CN221444358U (en)

Similar Documents

Publication Publication Date Title
CN113432210B (en) Fresh air dehumidification all-in-one
KR101702884B1 (en) Heat Pump-Type Heating and Cooling System
CN213395606U (en) Air conditioner
JP2002508829A (en) Airflow switching type air conditioner for both cooling and heating
CN107894061B (en) Fresh air conditioner, defrosting method and computer readable storage medium
CN201731567U (en) Multifunctional air conditioning device
CN108775725A (en) The indoor unit of three control multi-connected machines and three control multi-connected machines
CN108688434A (en) Air conditioner for vehicles
CN112377986A (en) Air conditioner and control method thereof
CN107062470A (en) A kind of air conditioner and its constant temperature dehumidification control method
CN112984678A (en) Air treatment device
JP7374633B2 (en) Air conditioners and air conditioning systems
CN221444358U (en) Air conditioner with dehumidification stoving function
CN110953699B (en) Air conditioning system and control method thereof
CN108180554B (en) Fan coil and air-conditioning water system
CN213687065U (en) Fresh air conditioning system
CN110207417B (en) Air conditioning system
CN209558567U (en) A kind of swimming pool heat pump dehumidifier
JPH04151324A (en) Automotive air conditioner
CN112555982A (en) Temperature and humidity double-control air conditioning system
CN213687066U (en) Fresh air dehumidification air conditioning system
JPH07120005A (en) Air-conditioning apparatus
CN218972927U (en) Constant-temperature refrigerating system for air conditioning system
JPH035642A (en) Ventilation type air conditioner
CN214949493U (en) Fan assembly

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant