阅读说明：本技术 过滤机构、空调室内机、空调器及杂质清除方法 (Filtering mechanism, air conditioner indoor unit, air conditioner and impurity removing method ) 是由 李林蒲 刘展宁 周升栋 高维瑞 郑乐博 任浩然 于 2021-07-13 设计创作，主要内容包括：涉及过滤技术领域,本申请公开一种过滤机构,其特征在于,包括：过滤组件；以及,制冷组件,与所述过滤组件连接,以调节所述过滤组件温度,以此调整所述过滤组件的对目标物质的过滤效率。通过制冷组件对过滤组件进行冷却处理,强化过滤组件过滤效果；被冷却的过滤组件,改变原杂质物态形式,如,气体混合物流经被冷却的过滤组件时,混合物中的杂质受到过滤组件低温影响,被冷却呈液态或固态,进而使使杂质而从原气态混合物中分离出来,达到过滤目的。用于厨房空气除油烟时,被冷却的过滤组件将气态的油烟冷却成液态油滴,继而将油滴从空气中分离出。(Relate to and filter technical field, the application discloses a filtering mechanism, its characterized in that includes: a filter assembly; and the refrigerating assembly is connected with the filtering assembly so as to adjust the temperature of the filtering assembly, so that the filtering efficiency of the filtering assembly on the target substance is adjusted. Cooling the filtering component through the refrigerating component to strengthen the filtering effect of the filtering component; the cooled filter assembly changes the physical form of the original impurities, for example, when the gas mixture flows through the cooled filter assembly, the impurities in the mixture are influenced by the low temperature of the filter assembly and are cooled to be liquid or solid, and then the impurities are separated from the original gaseous mixture, thereby achieving the purpose of filtering. When the cooling filter assembly is used for removing oil smoke from kitchen air, the cooled filter assembly cools gaseous oil smoke into liquid oil drops, and then the oil drops are separated from the air.)

1. A filter mechanism, comprising:

a filter assembly; and the number of the first and second groups,

and the refrigerating assembly is connected with the filtering assembly so as to adjust the temperature of the filtering assembly, so that the filtering efficiency of the filtering assembly on the target substance is adjusted.

2. The filter mechanism of claim 1, wherein the refrigeration assembly is thermally coupled to the filter assembly via a cooling medium.

3. The filter mechanism of claim 2, wherein the refrigeration assembly comprises:

the filter assembly is arranged at an opening of the liquid storage tank;

a refrigerating structure installed in the liquid storage tank to cool a cooling medium stored in the liquid storage tank;

and the spraying structure is arranged on one side of the filtering component, which is far away from the liquid storage tank, and is connected with the liquid storage tank through a water pump, so that cooled cooling media are conveyed to the filtering component through the spraying structure, and the filtering component is cooled.

4. A filter mechanism as claimed in claim 3, wherein a drip pan is mounted at the opening of the reservoir, the filter assembly being in communication with the reservoir via the drip pan.

5. The filter mechanism of claim 3, wherein a high water level warning mechanism is further disposed within the reservoir.

6. The filter mechanism of claim 5, wherein a low water level warning mechanism is further disposed within the reservoir.

7. The filter mechanism of claim 2, wherein the density of the impurities is different from the density of the cooling medium.

8. The filter mechanism of claim 1, wherein the filter assembly is provided as a water curtain arrangement.

9. A filter mechanism as claimed in claim 3, wherein the cooling structure is provided as a semiconductor cooling plate.

10. An indoor unit of an air conditioner, comprising: the filter mechanism of any of claims 1-9, mounted at an air intake.

11. An air conditioner, comprising: an outdoor unit and an indoor unit of an air conditioner as claimed in claim 8.

12. A method of impurity removal, the method comprising:

cooling the filtering component through the refrigerating component;

and if the temperature of the filter assembly is detected to be reduced to the preset temperature, performing filtering operation, so that impurities with low freezing points are left on the filter assembly when the substance to be filtered flows through the filter assembly.

13. The method for removing impurities according to claim 12, wherein the step of performing the filtering operation if it is detected that the temperature of the filter assembly has dropped to a predetermined temperature includes:

if detect the coolant temperature in the liquid reserve tank and when reaching preset temperature, then carry the coolant who will be cooled through the water pump to spray in the structure and to the filter assembly blowout, in order to right filter assembly cools off for the lower impurity of freezing point leaves over in filter assembly.

14. The impurity removing method according to claim 13, further comprising:

if the filtering operation is detected to be completed, the self-cleaning mode is executed.

15. The method of removing impurities as claimed in claim 14, wherein the step of performing the self-cleaning mode if it is detected that the filtering operation is completed comprises:

if the filtering operation is detected to be finished, the power of the water pump is increased to a preset value, so that impurities left on the surface of the filtering component are washed into the liquid storage tank.

Technical Field

The application relates to the technical field of air conditioners in general, and particularly relates to a filtering mechanism, an air conditioner indoor unit, an air conditioner and an impurity removing method.

Background

Air conditioners, i.e., air conditioners, are devices for adjusting and controlling parameters such as temperature, humidity, and flow rate of ambient air in buildings or structures by manual means, and air conditioners are widely used in association with improvement of living standards of people.

Wherein the kitchen is because of the space is narrow and small, the heat gauge that the culinary art operation produced is high, is the key area who uses the air conditioner, and the inventor discovers, when using the air conditioner in the kitchen, the gaseous state oil smoke that produces in the kitchen mixes together with the air, through conventional filter screen, is difficult to clear away the oil smoke, and the oil smoke will cause the pollution to heat transfer parts such as the evaporimeter that set up in the air conditioner indoor set in entering air conditioner indoor set via the air intake, seriously influences air conditioner work efficiency and life.

Disclosure of Invention

In order to solve the technical problem that the performance of air conditioning and oil smoke removal is not good in the prior art, the application provides a filtering mechanism, an air conditioner oil collecting system and a kitchen oil collecting method.

In order to achieve the purpose of the invention, the following technical scheme is adopted in the application:

a filter mechanism comprising:

a filter assembly; and the number of the first and second groups,

and the refrigerating assembly is connected with the filtering assembly so as to adjust the temperature of the filtering assembly, so that the filtering efficiency of the filtering assembly on the target substance is adjusted.

Optionally, the refrigeration assembly is connected to the filter assembly by a cooling medium in a heat transfer manner.

Optionally, the refrigeration assembly comprises:

the filter assembly is arranged at an opening of the liquid storage tank;

a refrigerating structure installed in the liquid storage tank to cool a cooling medium stored in the liquid storage tank;

and the spraying structure is arranged on one side of the filtering component, which is far away from the liquid storage tank, and is connected with the liquid storage tank through a water pump, so that cooled cooling media are conveyed to the filtering component through the spraying structure, and the filtering component is cooled.

Optionally, a liquid collecting disc is installed at an opening of the liquid storage tank, and the filtering assembly is communicated with the liquid storage tank through the liquid collecting disc.

Optionally, a high water level early warning mechanism is further arranged in the liquid storage tank.

Optionally, a low water level early warning mechanism is further arranged in the liquid storage tank.

Optionally, the density of the impurities is different from the density of the cooling medium.

Optionally, the filter assembly is provided as a water curtain structure.

Optionally, the refrigeration structure is a semiconductor refrigeration piece.

An indoor unit of an air conditioner, comprising: the filter mechanism of any preceding claim, the filter mechanism is mounted at the air inlet.

An air conditioner comprising: outdoor unit and above-mentioned air conditioning indoor set.

A method of impurity removal, the method comprising:

cooling the filtering component through the refrigerating component;

and if the temperature of the filter assembly is detected to be reduced to the preset temperature, performing filtering operation, so that impurities with low freezing points are left on the filter assembly when the substance to be filtered flows through the filter assembly.

Optionally, if it is detected that the temperature of the filtering assembly is reduced to the preset temperature, the step of performing the filtering operation specifically includes:

if detect the coolant temperature in the liquid reserve tank and when reaching preset temperature, then carry the coolant who will be cooled through the water pump to spray in the structure and to the filter assembly blowout, in order to right filter assembly cools off for the lower impurity of freezing point leaves over in filter assembly.

Optionally, the method further includes:

if the filtering operation is detected to be completed, the self-cleaning mode is executed.

Optionally, if it is detected that the filtering operation is completed, the step of executing the self-cleaning mode specifically includes:

if the filtering operation is detected to be finished, the power of the water pump is increased to a preset value, so that impurities left on the surface of the filtering component are washed into the liquid storage tank.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

on the one hand, liquid and solid substances are more convenient for people to process than invisible and non-solid gases. On the other hand, in three states of gas, liquid and solid, two substances with different states are easier to separate compared with two substances with the same state. To this end, the present application provides a filter mechanism, and a method of removing impurities. Wherein the content of the first and second substances,

the filtering mechanism comprises a filtering component; and the refrigerating assembly is connected with the filtering assembly and is used for cooling the filtering assembly so as to leave impurities with lower freezing points on the filtering assembly when the substances to be filtered flow through the filtering assembly. The refrigeration subassembly cools off filter assembly, and then cools off the material of waiting to filter that flows through filter assembly, is liquid or solid-state with the gaseous impurity cooling, compares in former gaseous state impurity, filters liquid or solid-state, and it is more simple and convenient and filter effect is better to implement the process.

The impurity removal method includes: cooling the filtering component through the refrigerating component; and if the temperature of the filter assembly is detected to be reduced to the preset temperature, performing filtering operation, so that impurities with low freezing points are left on the filter assembly when the substance to be filtered flows through the filter assembly. The refrigeration assembly cools the filter assembly, and then cools the substance to be filtered flowing through the filter assembly, cools the gas impurities into liquid or solid, and separates the impurities from the original gaseous mixture to achieve a good filtering effect.

When being used for the interior air conditioner air intake in kitchen to remove the oil smoke, refrigeration subassembly cools off filter assembly, and filter assembly under the cooling state condenses the gaseous state oil smoke in the air into liquid oil and drips, and other gases in the air are still gaseous state, and liquid oil drips and leave over in filter assembly, and other gaseous normal flows through filter assembly, and the completion kitchen is filtered by the oil smoke.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of an exemplary embodiment of a filter mechanism;

FIG. 2 is a schematic diagram of an embodiment of the refrigeration assembly provided by the present invention;

FIG. 3 is a schematic diagram of one possible implementation of the drip pan provided by the present invention;

fig. 4 is a schematic structural diagram of an implementation of the spray structure provided by the present invention.

Wherein the reference numerals are as follows:

1. a filter assembly; 2. a refrigeration assembly; 21. a liquid storage tank; 211, defining a maximum liquid level; 212, defining a minimum liquid level; 22. a refrigeration structure; 23. a spraying structure; 24. a water pump; 3. a liquid collecting tray; 31. a water through hole; 4. an early warning device; 5. and (4) floating blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Air conditioners, i.e., air conditioners, are devices for adjusting and controlling parameters such as temperature, humidity, and flow rate of ambient air in buildings or structures by manual means, and air conditioners are widely used in association with improvement of living standards of people. The kitchen is a key area for using the air conditioner due to the fact that the space of the kitchen is small, the heat quantity generated by cooking operation is high, the inventor finds that when the air conditioner is used in the kitchen, oil smoke generated in the kitchen enters the indoor unit of the air conditioner through the air inlet, and pollutes heat exchange components such as an evaporator arranged in the indoor unit of the air conditioner, so that the cleaning difficulty and the cleaning frequency of the interior of the indoor unit are increased.

For a more particular understanding of the technical idea of the present application, exemplary embodiments are described below with reference to the accompanying drawings:

for a more particular understanding of the technical idea of the present application, exemplary embodiments are described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of an exemplary embodiment of a filter mechanism; FIG. 2 is a schematic diagram of an embodiment of the refrigeration assembly provided by the present invention; FIG. 3 is a schematic diagram of one possible implementation of the drip pan provided by the present invention; fig. 4 is a schematic structural diagram of an implementation of the spray structure provided by the present invention. As shown in fig. 1-4, the invention provides a filtering mechanism, an air conditioner indoor unit, an air conditioner and a method for removing impurities. The filter mechanism includes: a filter assembly 1; and the refrigerating assembly 2 is connected with the filtering assembly 1 so as to adjust the temperature of the filtering assembly 1, thereby adjusting the filtering efficiency of the filtering assembly 1 on the target substance.

The air-conditioning indoor unit comprises: the filtering mechanism is arranged at the air inlet. The air conditioner includes: outdoor unit and above-mentioned air conditioning indoor set.

Utilize refrigeration subassembly 2 to cool off filter assembly 1, filter assembly 1 sets up in the wind gap department, and under the condition of cooling module refrigeration operation, the air current that flows through filter assembly 1 can be cooled off equally. After precooling gaseous oil mixed in the air, the gaseous oil is condensed into liquid oil drops, the liquid oil drops are filtered by the filter element, and the air passing through the filter component 1 is clean air without oil smoke.

Wherein, filtering mechanism can be used to and not only be limited to, the interior air conditioner of kitchen filters the oil smoke. The application provides a filter mechanism uses the mixture that various gaseous state condensation is different for liquid critical temperature, liquid condensation is different for solid-state critical temperature, the gaseous state condensation is the mixture that solid-state critical temperature is different, is cooled temperature through regulation and control filter assembly 1, makes the different material in the mixture present different attitude, and then filters the edulcoration. If the initial state of the substances A and B is a gaseous mixture, the refrigerating assembly 2 cools the filtering assembly 1, the filtering assembly 1 cools the mixture of the substances A and B, the substances A become liquid or solid after cooling, the substances B are still gaseous, the substances A are intercepted by the filtering assembly 1, and the substances B normally flow through the filtering assembly 1 to finish filtering; or the initial state of the substance C and the substance D is a liquid mixture, the refrigerating assembly 2 cools the filtering assembly 1, the filtering assembly 1 cools the mixture of the substance C and the substance D, the substance C becomes a solid state after cooling, the substance D is still liquid, the substance C is intercepted by the filtering assembly 1, and the substance D normally flows through the filtering assembly 1 to finish filtering. The substance A, the substance B, the substance C and the substance D can be single substances or mixtures.

In addition, the filtering mechanism is also suitable for the mixture with the same critical temperature for the state transition. For example, substance E, substance F initial state are gaseous mixture, and the filtering means filters gaseous mixture with higher cost at present, and the filtering mechanism that can utilize this application to provide cools filter assembly 1 through refrigeration subassembly 2, and filter assembly 1 cools substance E, substance F's mixture, with substance E, substance F, unify and turn into liquid, is keeping standstill the mode of layering and is separating substance E, substance F.

As an alternative embodiment of the invention, the refrigeration assembly 2 comprises: a liquid storage tank 21, a refrigeration structure 22, and a spray structure 23; the liquid storage tank 21 is characterized in that the filter assembly 1 is arranged at an opening of the liquid storage tank 21; the refrigeration structure 22 is installed in the liquid storage tank 21 to cool the cooling medium stored in the liquid storage tank 21; the spraying structure 23 is installed on one side of the filtering assembly 1 far away from the liquid storage tank 21, and is connected with the liquid storage tank 21 through a water pump 24, so that the cooled cooling medium is conveyed to the filtering assembly 1 through the spraying structure 23, and the filtering assembly 1 is cooled. The filter assembly 1 is arranged in a water curtain structure.

When the water curtain is used for removing oil smoke in air, the water curtain is used as the filtering component 1, and has outstanding advantages in the aspects of filtering air and cooling by the refrigerating component 2. In the unit space, the contact area of the water curtain and the air is extremely large, the air flowing through can be fully cooled, and oil drops formed by condensing the oil smoke are intercepted. The thickness of the curtain body of the water curtain is thin, and cooling medium can carry out rapid cooling to the water curtain after flowing through the water curtain.

In addition, when a water curtain structure is adopted, the cooling medium can also play a role in filtering and cleaning at the same time. Firstly, cooling medium flows on the surface of the water curtain, the cooling medium is lower than the air temperature outside the liquid storage tank 21 in the later cooling period through the refrigeration structure 22, after the air is contacted with the cooling medium on the water curtain, the cooling effect of the cooling medium is received, the oil smoke in the air is condensed into oil drops, the oil drops are attached to the cooling medium, and at the moment, the cooling medium plays a role of filtering oil drops in the air as a part of the water curtain besides being used as a medium for transferring the temperature of the refrigeration structure 22. Secondly, the cooling medium plays the effect of cleaning the water curtain, after the oil smoke in the air condenses into oil drops, part of the oil drops can be attached to the surface of the water curtain, after the oil drops are washed by the cooling medium, the residual oil drops attached to the surface of the water curtain can be washed away to the water curtain, the water yield of the spraying structure 23 can be increased by means of increasing the power of the water pump 24, and the washing effect of the cooling medium on the water curtain can be enhanced.

In an alternative embodiment of the present invention, the drip pan 3 is mounted at the opening of the liquid storage tank 21, the water through hole 31 is formed in the drip pan 3, the liquid storage tank 21 is disposed below the drip pan 3, and the opening of the drip pan is vertically opposite to the water through hole 31 of the drip pan 3. The cooling medium passes through water pump 24 and is pumped to filter assembly 1 by liquid reserve tank 21, and the cooling medium flows through filter assembly 1 back, by liquid catch tray 3 assembles the collection, and liquid catch tray 3 and liquid reserve tank 21 communicate, and the cooling medium that liquid catch tray 3 collected is leading-in to liquid reserve tank 21, accomplishes cooling medium's duty cycle, and in the technical scheme disclosed in this application, cooling medium is used by the circulation, reduces equipment running cost.

Specifically, the cooling medium and the filtered impurities are immiscible, the densities of the cooling medium and the filtered impurities are different, and the cooling medium and the filtered impurities are layered in a standing state. When the density of the impurities is less than that of the filter medium, the water pump 24 is arranged at the bottom or the middle lower part in the liquid storage tank 21; when the density of impurities is higher than that of the filter medium, the water pump 24 is arranged at the middle upper part in the liquid storage tank 21; when more than two kinds of impurities are filtered simultaneously, the density of part of the impurities is smaller than that of the filter medium, and the density of part of the impurities is larger than that of the filter medium, the water pump 24 is arranged in the middle of the liquid storage tank 21. The liquid storage tank 21 has two functions, that is, a function of storing the cooling medium in a container as the cooling medium and a function of storing the filtered impurities in the container. Carry out cyclic utilization to the coolant in the liquid reserve tank 21 incasement, need to ensure water pump 24 and by filterable impurity liquid surface course contactless, will send filter component 1 to impurity liquid pumpingly after water pump 24 contacts impurity liquid surface course, influence filter component 1's filter effect. The water pump 24 is provided at an appropriate position in the liquid storage tank 21 according to the density difference between the coolant and the impurity to be filtered, and the water pump 24 can be always kept in the coolant. In addition, can also adopt the mode with the direct discharge of coolant, need not to consider coolant and wait to filter impurity density, whether problem that dissolves mutually, the scope of optional coolant is wider, need not to save space more to impurity storage.

As an optional embodiment of the present invention, a high water level early warning mechanism and a low water level early warning mechanism are further disposed in the liquid storage tank 21.

The cooling medium in the liquid storage tank 21 can be gradually volatilized in the process of equipment use operation, when the volatilization amount of the cooling medium is too much, the normal operation of the equipment is influenced, and when a low water level early warning mechanism detects a dangerous low water level, the early warning is timely carried out to remind a user of timely supplementing the cooling medium.

Cooling medium is cooled down by refrigeration structure 22 and is handled, cooling medium, the temperature of filtering component 1 is less than external environment, cooling medium, filtering component 1 contacts the back with the outside air, can be with treating that impurity cold condensation becomes liquid form, also can be with the steam condensate water in the air simultaneously, liquid total amount in the liquid reserve tank 21 probably keeps together equipment continuous operation change more and more, for avoiding liquid in the liquid reserve tank 21 too much exceed the capacity of liquid reserve tank 21, set up high water level early warning mechanism, when detecting dangerous high water level, in time the early warning reminds the user in time to clear up liquid reserve tank 21.

The high water level early warning mechanism and the low water level early warning mechanism can adopt and are not limited to the following structural forms, when the cooling medium adopts water, the filtered impurities are oil smoke in the air:

high water level early warning mechanism, including floating block 5, first stroke inductive switch and first precaution device 4, oil floats 5 settings in liquid reserve tank 21, and floating block 5 chooses for use the oil to float, and the density that the oil floated is less than the density of fluid, floats on the fluid surface, first stroke switch detects the height that the oil floated when the fluid surface reaches the highest liquid level 211 of injecing, the circuit of first stroke inductive switch intercommunication first precaution device 4 in time carries out high liquid level early warning to the user, and wherein the selectable speech precaution device of precaution device 4 or photoelectricity precaution device.

Low water level early warning mechanism, including floating block 5, second stroke inductive switch and first precaution device 4, water floats 5 settings in the liquid reserve tank 21, and floating block 5 selects the water to float, and the density of water float is less than the density of water and is greater than the density of fluid, floats at the water surface, second stroke switch detects the height of water float, when the water surface reached the minimum liquid level 212 of injecing, the circuit of second stroke inductive switch intercommunication second precaution device 4 in time carries out low liquid level early warning to the user, wherein the optional voice precaution device or the photoelectricity precaution device of precaution device 4.

As an alternative embodiment of the present invention, the refrigeration structure 22 may be not limited to semiconductor refrigeration sheets, condensers, evaporators, and refrigerators.

As an optional implementation mode of the invention, the technical scheme provided by the application can be used for air dehumidification. The cooling medium is cooled down by refrigeration structure 22, and the temperature of cooling medium, filter assembly 1 is less than external environment, and cooling medium, filter assembly 1 contact with the outside air after, can condense into water with the steam in the air, reach dehumidification effect.

Filter component 1 can select for use and is not limited to the pipe network, and in the refrigeration medium was pumped to the pipe network by water pump 24 in liquid reserve tank 21, the refrigeration medium circulated in the pipe network, cools off the pipe network simultaneously, and when the outside air flowed through the pipe network, vapor in the air will condense into the water droplet at the pipe network surface, reaches the effect of air dehumidification.

Optional refrigeration structure 22 can set up in the liquid reserve tank 21, and most liquid stays in the liquid reserve tank 21 in the equipment, establishes the structure setting in the liquid reserve tank 21 with refrigerating, is convenient for carry out abundant cooling to coolant. In addition, the refrigeration structure 22 can be arranged in the pipeline network, the refrigeration medium flows through the pipeline network to achieve working benefits, the refrigeration structure 22 is arranged in the pipeline network to perform key cooling on the cooling medium in the pipeline network, and energy waste is reduced.

The invention also provides an impurity removal method, which comprises the following steps: cooling the filter assembly 1 through the refrigeration assembly 2; if it is detected that the temperature of the filter assembly 1 has dropped to a predetermined temperature, a filtering operation is performed such that impurities having a low freezing point are left on the filter assembly 1 while the material to be filtered passes through the filter assembly 1.

As an alternative embodiment of the present invention, the self-cleaning mode is performed if it is detected that the filtering operation is completed. If the filtering operation is detected to be finished, the power of the water pump is increased to a preset value so as to flush impurities left on the surface of the filtering component into the liquid storage tank. The method can also be adopted, the filtering component 1 is transferred to a cleaning workshop, cleaning liquid is firstly adopted in the cleaning workshop, filtered impurities are dissolved in the cleaning liquid and then washed by clean water; or blowing off impurities attached to the filter component 1 by adopting high-pressure airflow; or, a brush body cleaning mode is utilized.

It is noted that in the description and claims of the present application and in the above-mentioned drawings, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Also, the terms "comprises," "comprising," and "having," as well as any variations thereof or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications and changes to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.