阅读说明：本技术 模块化室内空调器 (Modularized indoor air conditioner ) 是由 黄孝华 梁辉 吴海明 袁长锋 于 2021-08-31 设计创作，主要内容包括：本申请是关于一种模块化室内空调器。该模块化室内空调器包括：换热模块、排水模块、风机模块和背板。所述背板包括平面端和曲托端,所述曲托端设置在所述平面端的下方,且所述曲托端是相对于所述平面端的平面突出的曲面底托结构；所述风机模块安装在所述曲托端上。所述换热模块和所述排水模块安装在所述平面端上。所述换热模块的底部为内凹的弧面,所述换热模块的底部与所述风机模块的顶部相适配,能够互相搭接。本申请提供的方案,能够在实现空间充分利用的同时,便于各模块的拆装,降低了成本和难度。(The present application relates to a modular indoor air conditioner. The modularized indoor air conditioner includes: heat exchange module, drainage module, fan module and backplate. The back plate comprises a plane end and a curved support end, the curved support end is arranged below the plane end, and the curved support end is a curved surface bottom support structure protruding relative to the plane of the plane end; the fan module is installed on the curved support end. The heat exchange module and the drainage module are mounted on the planar end. The bottom of the heat exchange module is an inwards concave cambered surface, and the bottom of the heat exchange module is matched with the top of the fan module and can be mutually overlapped. The scheme that this application provided can be when realizing space make full use of, and the dismouting of each module of being convenient for has reduced cost and degree of difficulty.)

1. A modular indoor air conditioner, comprising:

the heat exchange module (10), the drainage module (30), the fan module (20) and the back plate (40);

the backplate (40) comprises a planar end (401) and a curved bearing end (402), the curved bearing end (402) is arranged below the planar end (401), and the curved bearing end (402) is a curved surface mounting structure protruding relative to the plane of the planar end (401); the fan module (20) is mounted on the curved support end (402);

the heat exchange module (10) and the drainage module (30) are mounted on the planar end (401);

the bottom of the heat exchange module (10) is an inwards concave arc surface, the bottom of the heat exchange module (10) is matched with the top of the fan module (20), and the bottom of the heat exchange module (10) and the top of the fan module (20) can be mutually overlapped.

2. A modular indoor air conditioner according to claim 1, wherein:

the heat exchange module (10) comprises: the system comprises a three-way valve (101), a heat exchanger pipeline (102) and a heat exchanger (103);

the heat exchanger (103) forms a refrigerant loop with an air conditioner external unit through the heat exchanger pipeline (102), and the three-way valve (101) is installed on the heat exchanger pipeline (102);

the three-way valve (101) comprises: a first port (1013), a second port (1014), and a third port (1015);

the first valve port (1013) and the second valve port (1014) are arranged on the heat exchanger pipeline (102), and the three-way valve (101) can adjust the valve so that the third valve port is closed when communicating with one of the first valve port (1013) or the second valve port (1014);

the third valve opening is provided with a closed valve cap (1011).

3. A modular indoor air conditioner according to claim 2, wherein:

a three-way valve mounting piece (403) is arranged on the curved supporting end (402), and the three-way valve mounting piece (403) is matched with the three-way valve (101); the curved support end (402) is arranged on the other side opposite to the mounting surface of the fan module (20) to form an inner space for accommodating the heat exchanger pipeline (102).

4. A modular indoor air conditioner according to claim 2, wherein:

an inner bolt (1012) is arranged in the three-way valve (101) to cut off the check, and one end of the inner bolt (1012) extends from a valve port, so that the cut-off state of the inner bolt (1012) to the three-way valve (101) can be controlled.

5. A modular indoor air conditioner according to claim 1, wherein:

the fan module (20) is arranged on the curved supporting end (402) through a fan fixing part (4021);

the fan fixing part (4021) is a screw hole base which is distributed on the curved support end (402) and faces to the air outlet structure at the bottom of the fan module (20).

6. A modular indoor air conditioner according to claim 1, wherein:

the heat exchange module (10) is installed on the plane end (401) through a heat exchange fixing part (4011);

the heat exchange fixing part (4011) is a screw hole base, the heat exchange module (10) is provided with a mounting bracket with a screw hole, and the mounting bracket is matched with the screw hole base.

7. A modular indoor air conditioner according to claim 1, wherein:

the drainage module (30) is mounted on the plane end (401) through a drainage fixing part (4012);

the drainage fixing part (4012) is a fixing beam with a screw hole, and a positioning block is arranged on the fixing beam;

the drainage module (30) is provided with a positioning opening (301), and the positioning opening (301) is matched with the positioning block.

8. A modular indoor air conditioner according to claim 7, wherein:

the fixed beam is provided with a slot (40121) which is communicated up and down;

fan module (20) are provided with installation inserted sheet (201), installation inserted sheet (201) with slot (40121) are pegged graft mutually.

9. A modular indoor air conditioner according to claim 1, further comprising a separate drip tray (50);

the independent water pan (50) is arranged at one end of the heat exchange module (10) far away from the back plate (40); the drainage module (30) is connected with the independent drainage disc (50) through a guide pipe (302) and collects condensed water.

10. The modular indoor air conditioner of claim 1, further comprising an air conditioner housing;

the air conditioner shell is connected with the back plate (40), and the structure of the air conditioner shell is matched with the shape of the heat exchange module (10), the drainage module (30) and the fan module (20) after combination.

Technical Field

The application relates to the technical field of air conditioner structures, in particular to a modularized indoor air conditioner.

Background

The demand for air conditioners is not only limited to the satisfaction of cooling and heating functions, but also the demand for ensuring the cleanness and maintenance of the air conditioner. But the structure of current wall-hanging air conditioner is very complicated, need retrieve the refrigerant earlier when the air conditioner is torn open moreover, nevertheless because the refrigerant passes through the pipeline intercommunication at the inside and outside machine, still need operate the outer machine and just can accomplish the refrigerant and retrieve, this not only has increased the loaded down with trivial details degree that the air conditioner was dismantled, has still increased the risk that cost and refrigerant were revealed. These factors make it difficult to fully disassemble and assemble the air conditioner.

In order to solve the problems, an air conditioner indoor unit which is suitable for being hung on a wall and convenient to detach needs to be designed.

Disclosure of Invention

In order to overcome the problems in the related art, the application provides a modularized indoor air conditioner which can fully utilize the space to realize simple disassembly and assembly of the functional module.

The present application provides in a first aspect a modular indoor air conditioner comprising: heat exchange module, drainage module, fan module and backplate. The back plate comprises a plane end and a curved support end, the curved support end is arranged below the plane end, and the curved support end is a curved surface bottom support structure protruding relative to the plane of the plane end; the fan module is installed on the curved support end. The heat exchange module and the drainage module are mounted on the planar end. The bottom of the heat exchange module is an inwards concave cambered surface, and the bottom of the heat exchange module is matched with the top of the fan module and can be mutually overlapped.

In one embodiment, a heat exchange module comprises: three-way valve, heat exchanger pipeline and heat exchanger. The heat exchanger forms a refrigerant loop with an air conditioner external unit through the heat exchanger pipeline, and the three-way valve is installed on the heat exchanger pipeline. The three-way valve includes: the valve comprises a first valve port, a second valve port and a third valve port. The first valve port and the second valve port are arranged on the heat exchanger pipeline, and the three-way valve can adjust the valve to enable the third valve port to be closed when the third valve port is communicated with one of the first valve port and the second valve port. The third valve opening is provided with a closed valve cap.

In one embodiment, a three-way valve mounting piece is arranged on the curved supporting end, and the three-way valve mounting piece is matched with the three-way valve; the curved support end is arranged on the other surface opposite to the fan module mounting surface, and an inner side space is formed for accommodating the heat exchanger pipeline.

In one embodiment, an internal bolt is arranged in the three-way valve to cut off the non-return, and one end of the internal bolt extends from the valve port, so that the cut-off state of the internal bolt on the three-way valve can be controlled.

In one embodiment, the fan module is mounted on the curved support end by a fan mount. The fan fixed part is distributed on the curved support end and faces the screw hole base matched with the air outlet structure at the bottom of the fan module.

In one embodiment, the heat exchange module is mounted on the planar end through a heat exchange fixing part. The heat exchange fixing part is a screw hole base, the heat exchange module is provided with an installation support with a screw hole, and the installation support is matched with the screw hole base.

In one embodiment, the drain module is mounted on the planar end by a drain fixing portion. The drainage fixing part is a fixing beam with a screw hole, and a positioning block is arranged on the fixing beam. The drainage module is provided with a positioning opening, and the positioning opening is matched with the positioning block.

In one embodiment, the fixed beam is provided with slots which are through from top to bottom. The fan module is provided with an installation inserting sheet, and the installation inserting sheet is inserted into the slot.

In one embodiment, the modular indoor air conditioner further comprises an independent water pan. The independent water pan is arranged at one end of the heat exchange module, which is far away from the back plate; the drainage module is connected with the independent drainage tray through a flow guide pipe to collect condensed water.

In one embodiment, the modular room air conditioner further comprises an air conditioner housing. The air conditioner shell is connected with the back plate, and the structure of the air conditioner shell is matched with the appearance of the heat exchange module, the drainage module and the fan module after combination.

The technical scheme provided by the application can comprise the following beneficial effects:

in the application embodiment, the functional components of the air conditioner are modularly divided into a heat exchange module, a drainage module and a fan module. The back plate is used as a mounting base of each module, the fan module is mounted at the bent support end, an air outlet structure of the fan module is supported, the heat exchange module and the drainage module are mounted at the plane end of the back plate through the heat exchange fixing part and the drainage fixing part, and the heat exchange module is in lap joint with the fan module. The air conditioner divides the modules according to functions, and the modules are assembled together by taking the back plate as a base, so that the space is fully utilized, and the modules are convenient to disassemble and assemble independently. The modularized air conditioner using the back plate as the base can solve the problem that the maintenance and cleaning operation of the traditional bottom shell mode air conditioner is complex, and reduces the cleaning cost and the maintenance difficulty.

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 application.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic diagram of the components of a modular room air conditioner as shown in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a back plate according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram illustrating a fan module mounted on a backplane according to an embodiment of the present disclosure;

FIG. 4 is a cross-sectional view AA in FIG. 3, illustrating an embodiment of the present application;

FIG. 5 is a cross-sectional view along the direction BB of FIG. 3, as shown in an embodiment of the present application;

FIG. 6 is a cross-sectional view taken along the line CC of FIG. 3 in accordance with an exemplary embodiment of the present disclosure;

FIG. 7 is a schematic view of the back surface of the back plate when the heat exchange module according to the embodiment of the present application is mounted on the back plate;

FIG. 8 is a side view of a heat exchange module tube valve member shown in an embodiment of the present application;

FIG. 9 is a cross-sectional view of the DD in FIG. 8 in accordance with an embodiment of the present application;

fig. 10 is an exploded view of the split valve member shown in the embodiment of the present application;

FIG. 11 is a schematic view of a drain module and a self-contained drain pan shown in an embodiment of the present application;

FIG. 12 is an installed side view of a modular room air conditioner shown in an embodiment of the present application;

FIG. 13 is a schematic structural diagram of a heat exchange module shown in an embodiment of the present application;

fig. 14 is a schematic structural diagram of a fan module according to an embodiment of the present application.

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Example one

In view of the above problems, embodiments of the present application provide a modular indoor air conditioner, which can make full use of space to realize simple and easy disassembly and assembly of functional modules.

The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic assembly view of a modular indoor air conditioner according to an embodiment of the present application, and fig. 1 is a schematic assembly view of the modular indoor air conditioner according to an embodiment of the present application, the modular assembly including: the water-saving device comprises a heat exchange module 10, a drainage module 30, a fan module 20, an independent water pan 50 and a back plate 40. And a three-way valve mount 403 provided on the back plate 40.

Referring to fig. 2, fig. 2 is a schematic structural diagram of a back plate 40 according to an embodiment of the present application. The back plate 40 is shown to include a planar end 401 and a curved bracket end 402, the curved bracket end 402 being disposed below the planar end 401. The curved surface shape of the curved support end 402 is matched with the shape of the air outlet structure at the bottom of the fan module 20, and a fan fixing part 4021 is arranged on the curved support end 402. The disposing on the planar end 401 includes: a heat exchange fixing portion 4011 and a drain fixing portion 4012. The heat exchange fixing part 4011 is a screw hole base, the drain fixing part 4012 is a fixing beam with a screw hole, and the heat exchange fixing part 4011 is disposed above the drain fixing part 4012. The fixed beam is provided with a slot 40121 which is through up and down.

Referring to fig. 14, fig. 14 is a schematic structural diagram of a fan module 20 according to an embodiment of the present disclosure. The main body of the fan module 20 is a cross flow fan 204, the top of the cross flow fan is a cambered surface, an air outlet structure is arranged below the cross flow fan 204, one end of the cross flow fan 204 is provided with a motor, a motor gland 202 is arranged on the motor, and the other end of the cross flow fan 204 is provided with an air duct end cover 203. This air-out structure is the curved surface, need be lifted by the structure with curved support end 402 adaptation, just be convenient for fixed with the stability of fan module 20 installation.

Referring to fig. 3, 4, 5 and 6, fig. 3 is a schematic structural diagram of the fan module 20 shown in the embodiment of the present application, which is mounted on the back plate 40, fig. 4 is a cross-sectional view along AA of fig. 3 shown in the embodiment of the present application, fig. 5 is a cross-sectional view along BB of fig. 3 shown in the embodiment of the present application, and fig. 6 is a cross-sectional view along CC of fig. 3 shown in the embodiment of the present application. It can be seen that the fan module 20 is fixed by the fan fixing portion 4021 on the curved supporting end 402, and these screw hole bases facing the air outlet structure matched with the bottom of the fan module 20 can fix and lift the fan module 20, and it can be seen in fig. 3 that the bottom of the fan module is an air outlet structure in the shape of a spiral line opening, where the spiral line refers to a structure in which the opening of the air outlet structure is gradually enlarged. Use the laminating department of fan module and backplate promptly as the starting point, the spiral enlarges open-ended air-out structure, and its bottom is curved shape, and the orientation and the air-out structure arc bottom surface adaptation of screw base can play stable fixed stay effect to the fan module. Meanwhile, the fan module 20 is provided with the installation insertion sheet 201, and the installation insertion sheet 201 is matched with the slot 40121 on the fixing beam of the drainage fixing part 4012 on the back plate 40, so that the fan module 20 can be fixed by the slot 40121 when the curved supporting end 402 is fixed, and a stable effect is achieved.

Referring to fig. 8, fig. 8 is a side view of a heat exchange module 10 pipe valve according to an embodiment of the present application. It can be seen that the three-way valve 101 and the heat exchanger line 102 are connected together across the back plate 40. The heat exchanger 103 forms a refrigerant loop through the heat exchanger pipeline 102 and the outdoor unit of the air conditioner, and liquid and gaseous refrigerants circulate in the refrigerant loop. The curved end 402 of the back plate 40 forms an inner space on the other side with respect to the fan fixing portion 4021 to accommodate the heat exchanger pipe 102.

Referring to fig. 13, fig. 13 is a schematic structural diagram of a heat exchange module 10 according to an embodiment of the present application. The main body of the heat exchange module 10 is a heat exchanger 103, one end of the heat exchanger 103 is provided with a heat exchanger pipeline 102, and a refrigerant flows in the pipeline. And a mounting bracket is arranged at the back of the heat exchanger 103, and the mounting bracket is matched with the base. The heat exchanger 103 is a curved shape, and although the heat exchanger is mounted on the heat exchange fixing portion 4011 through the mounting bracket, the center of gravity of the heat exchange module 10 is still on the main body of the heat exchanger 103, so the bottom of the heat exchanger 103 needs to be overlapped with the top of the fan module 20, so that the mounting stability is ensured, and the motor gland 202 and the air duct end cover 203 of the fan module 20 are both matched with the bottom of the heat exchanger 103.

Referring to fig. 11, fig. 11 is a schematic view of a drain module 30 and a separate drain pan according to an embodiment of the present application. The drainage fixing part 4012 is a fixing beam with a screw hole, and a positioning block is arranged on the fixing beam. It can be seen that the drainage module 30 is provided with the positioning hole 301, and the positioning hole 301 is matched with the positioning block, so that the drainage module 30 can be quickly installed on the fixing beam of the back plate 40, and the screw holes are aligned. The drainage module 30 is connected to the independent drainage tray through the drainage tube 302, and collects the condensed water, and the drainage tube 302 is also accommodated in the inner space formed by the curved support end 402.

In the embodiment of the present application, the functional components of the air conditioner are divided into the heat exchange module 10, the drainage module 30 and the fan module 20. The back plate 40 is used as a mounting base of each module, the fan module 20 is mounted at the curved supporting end 402 to support the air outlet structure of the fan module 20, the heat exchange module 10 and the drainage module 30 are mounted at the plane end 401 of the back plate 40 through the heat exchange fixing part 4011 and the drainage fixing part 4012, and the heat exchange module 10 is lapped on the fan module 20. The air conditioner is divided into modules according to functions, and the modules are assembled together by taking the back plate 40 as a base, so that the space is fully utilized, and the air conditioner is convenient to disassemble and assemble. The modularized air conditioner using the back plate 40 as the base has the advantages that the problem that the maintenance and cleaning operation of the traditional bottom shell mode air conditioner is complex is solved, and the cost and the difficulty are reduced.

Example two

In the dismantlement in-process to the air conditioner, need collect the refrigerant that flows in heat exchange module 10 earlier, but need the staff to go outdoors in the traditional scheme, close the refrigerant valve at the outdoor machine side, carry out the collection of refrigerant, it is very troublesome, and the three-way valve 101 of this application sets up on indoor set, can cut off and collect indoor the completion of the refrigerant in heat exchanger 103.

Referring to fig. 7 and 8, fig. 7 is a schematic view of the back surface of the back plate 40 when the heat exchange module 10 shown in the embodiment of the present application is mounted on the back plate 40, and fig. 8 is a side view of the pipe valve of the heat exchange module 10 shown in the embodiment of the present application. The heat exchange module 10 includes: three-way valve 101, heat exchanger line 102 and heat exchanger 103. The heat exchanger 103 forms a refrigerant loop with an air conditioner external unit through the heat exchanger pipeline 102, and the three-way valve 101 is installed on the heat exchanger pipeline 102. A three-way valve mounting member 403 is disposed on the curved support end 402, and the three-way valve mounting member 403 is adapted to the three-way valve 101. The curved receiving end 402 forms an inner space on the other side with respect to the fan fixing portion 4021, and receives the heat exchanger pipe 102.

Referring to fig. 9 and 10, fig. 9 is a DD-oriented cross-sectional view of fig. 8 according to an embodiment of the present application, and fig. 10 is an exploded view of a three-way valve 101 according to the embodiment of the present application. The three-way valve 101 includes: a first port 1013, a second port 1014, and a third port. In actual use, two three-way valves 101 are arranged on two heat exchanger pipelines 102 of the refrigerant loop respectively, the two heat exchanger pipelines 102 are a refrigerant liquid pipe and a refrigerant gas collecting pipe respectively, namely, liquid refrigerant flows in the refrigerant liquid pipe, gaseous refrigerant flows in the refrigerant gas collecting pipe, and two ends of the two pipelines are connected with a heat exchanger 103 and an air conditioner outdoor unit. In this embodiment, a split structure with four conduction openings is adopted to realize the function of the three-way valve 101, so that two third openings 1015 are provided, the valve structure of this embodiment is a split structure, the four conduction openings are communicated through the combination of the two communication openings 1016, and the internal bolt 1012 is adopted as a valve to realize the stop check. The valve member of this embodiment is further provided with a mounting fin 1017, and the valve member is mounted on the three-way valve mounting member 403 through the mounting fin 1017, so that the valve member design can be detached and disassembled more conveniently when the heat exchange module is detached. The first valve port 1013 and the second valve port 1014 are disposed on the heat exchanger pipe 102, that is, in fig. 9, the first valve port 1013 and the second valve port 1014 are two ports which are not sealed by the inner bolts 1012 and are communicated with the heat exchanger pipe 102, the first valve port 1013 can be cut off by screwing the inner bolt 1012 close to the first valve port 1013, and the second valve port 1014 can be cut off by screwing the inner bolt 1012 close to the second valve port 1014.

Generally, the collected liquid refrigerant is turned on by the inner bolt 1012 in the three-way valve 101 on the refrigerant machine pipe to cut off the flow of the gaseous refrigerant in the refrigerant gas collecting pipe, and then the inner bolt 1012 on the refrigerant liquid pipe is turned out to open the third valve, so that the refrigerant circuit of the whole air conditioner internal and external units is cut off, and the refrigerant can only flow out as liquid from the third valve.

In the embodiment of the application, the three-way valve 101 is arranged at the indoor unit of the refrigerant loop, and the loop of the refrigerant is cut off by controlling the cutting and the conduction of the three-way valve 101, so that a technician can collect the liquid refrigerant indoors, the air conditioner is more convenient to disassemble, and the outdoor unit is not required to be operated by the technician.

EXAMPLE III

When the air conditioner is actually used, an air conditioner shell is needed, the air conditioner shell is connected with the back plate 40, the heat exchange module 10, the drainage module 30, the fan module 20 and the independent drainage disc are protected inside the air conditioner shell, and the shape of the shell needs to be matched with the modules.

Referring to fig. 12, fig. 12 is an installation side view of a modular indoor air conditioner according to an embodiment of the present application. When the modularized indoor air conditioner needs to be disassembled and assembled, the shell of the air conditioner is firstly disassembled, and the top of the fan module 20 can be seen to be overlapped with the bottom of the heat exchange module 10. After the indoor recovery of completion refrigerant, disconnection honeycomb duct 302 is connected between drainage module 30 and independent drain pan, then loosens heat exchange module 10 and heat transfer fixed part 4011's being connected, can take off whole heat exchange module 10 after dismantling the valve member, is connected with independent water collector 50 on the heat exchange module 10, separately dismantles can. Next, the drainage module 30 is disassembled, the drainage module 30 and the fixing beam of the drainage fixing part 4012 are disassembled, and finally, the fan module 20 and the screw of the fan fixing part 4021 are loosened at the curved supporting end 402 of the back plate 40, so that the fan module 20 can be taken down according to the direction of the installation inserting piece 201, and the disassembly of each module is realized.

The modular air conditioner has the advantages that the modules are fully utilized and installed together, the modules are convenient to disassemble in sequence, and when different functions of the air conditioner are in trouble, the modules are convenient to inspect, replace and maintain in detail.

With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.

The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined, and deleted according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.