CN114216173A - Compressor with fresh air conveying function, air conditioner and control method of air conditioner - Google Patents
Compressor with fresh air conveying function, air conditioner and control method of air conditioner Download PDFInfo
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- CN114216173A CN114216173A CN202111547415.7A CN202111547415A CN114216173A CN 114216173 A CN114216173 A CN 114216173A CN 202111547415 A CN202111547415 A CN 202111547415A CN 114216173 A CN114216173 A CN 114216173A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/08—Compressors specially adapted for separate outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/0236—Ducting arrangements with ducts including air distributors, e.g. air collecting boxes with at least three openings
Abstract
The invention discloses a compressor with a fresh air conveying function, an air conditioner and a control method of the air conditioner. The compressor includes: the compressor body comprises a rotating shaft, and the lower part of the rotating shaft penetrates out of the bottom of the compressor to form the tail end of the rotating shaft; the fresh air cavity is arranged at the bottom of the compressor and covers the outer part of the tail end of the rotating shaft, and an air inlet and an air outlet which are communicated with the inner side and the outer side of the fresh air cavity are formed in the fresh air cavity; the rotor part is arranged at the tail end of the rotating shaft and used for rotating along with the rotating shaft in the rotating process of the rotating shaft so as to suck fresh air into the fresh air cavity through the air inlet and send out the fresh air through the air outlet after pressurization.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a compressor with a fresh air conveying function, an air conditioner and a control method of the air conditioner.
Background
At present, along with the continuous progress of science and technology, the requirement of users on health is improved, and the requirement of a fresh air system of an air conditioner is also gradually improved. The existing air conditioner internal unit with the fresh air system is relatively long in size and relatively high in noise. And the indoor unit is added with a fresh air inlet and outlet pipe, the size of the air conditioner pipeline hole reserved in the house cannot meet the requirement, the user cannot agree to enlarge the pipeline hole to influence the attractiveness of the wall body, and the user selects the air conditioner with the fresh air system.
Disclosure of Invention
In view of the above, the present invention discloses a compressor with fresh air delivery function, an air conditioner and a control method thereof, so as to solve at least one of the above problems.
In order to achieve the above object, the invention adopts the following technical scheme:
the invention discloses a compressor with a fresh air conveying function, which comprises a shell and a rotary driving part arranged in the shell, wherein the rotary driving part comprises a rotating shaft, and the lower end of the rotating shaft penetrates out of the bottom of the rotary driving part to form the tail end of the rotating shaft;
the fresh air cavity is arranged at the bottom of the rotary driving part and is covered outside the tail end of the rotating shaft, and an air inlet and an air outlet which are communicated with the two sides inside and outside the fresh air cavity are formed in the fresh air cavity;
the rotor part is arranged at the tail end of the rotating shaft and used for rotating along with the rotating shaft in the rotating process of the rotating shaft so as to suck fresh air into the fresh air cavity through the air inlet and send out the fresh air through the air outlet after pressurization.
Further optionally, the fresh air cavity is disposed in the casing or outside the casing, and when the fresh air cavity is disposed outside the casing, the lower portion of the rotating shaft penetrates through the casing and is fixed to the rotor portion.
Further optionally, the rotor part is an eccentric part, and hermetically divides a fresh air cavity into an air inlet cavity and an air outlet cavity, the air inlet is arranged on the air inlet cavity, and the air outlet is arranged on the air outlet cavity;
when the rotating shaft drives the rotor part to rotate, the volumes of the air inlet cavity and the air exhaust cavity are changed relatively, when the volume of the air inlet cavity is increased and the volume of the air exhaust cavity is reduced, negative pressure is generated in the air inlet cavity to suck fresh air into the fresh air cavity, and positive pressure is generated in the air exhaust cavity to apply pressure to the fresh air so as to improve the pressure of the fresh air and send the fresh air out.
Further optionally, the rotor portion is a fan, and the fan is a centrifugal fan or a cross-flow fan or an axial flow fan.
A second aspect of the present invention discloses an air conditioner, comprising: a compressor as described above.
Further optionally, the air conditioner further includes:
a condenser and an evaporator;
a multi-way switching valve having a multi-way valve inlet, a multi-way valve first outlet, and a multi-way valve second outlet;
the first pipeline is connected with the multi-way valve inlet and communicated with the air outlet;
the inlet end of the second pipeline is connected with the first outlet of the multi-way valve, and the outlet end of the second pipeline extends to the evaporator; the outer wall of the second pipeline is in contact with the condenser so as to cool the air flowing through the second pipeline when the air conditioner operates in a refrigerating mode;
and one end of the exhaust pipeline is connected with the second outlet of the multi-way valve, and the other end of the exhaust pipeline is communicated with the outside atmosphere.
Further optionally, the air conditioner further includes:
the collector is provided with a first collector inlet, a second collector inlet and a collector outlet, and the collector is connected in the second pipeline through the first collector inlet and the collector outlet;
one end of the third pipeline is connected with the second inlet of the current collector, and the other end of the third pipeline is connected with a third outlet of the multi-way valve of the multi-way switching valve;
when the air conditioner is in heating operation, the multi-way switching valve opens the third outlet of the multi-way valve so as to convey fresh air to the evaporator through the third pipeline for heat exchange.
Further optionally, the air conditioner further includes: a flow splitter having a splitter inlet, a splitter first outlet, and a splitter second outlet;
the flow divider is connected with the second pipeline through a flow divider inlet and a flow divider first outlet and is positioned on the rear side of the flow collector outlet; and the second outlet of the flow divider is connected with a drain pipe of the air conditioner.
Further optionally, the air conditioner includes: the indoor machine shell is arranged on the indoor machine shell,
the indoor unit shell is provided with an installation cavity, and an indoor unit air inlet communicated with the installation cavity is formed in the indoor unit shell;
the evaporator is arranged in the mounting cavity, and the outlet end of the second pipeline is positioned between the evaporator and the air inlet of the internal machine.
The third aspect of the invention discloses a fresh air control method of an air conditioner, which is used for controlling the air conditioner.
Further optionally, the fresh air control method includes:
when the air conditioner runs in a fresh air mode, detecting indoor air pressure and outdoor air pressure and utilizing a compressor to convey fresh air indoors;
and controlling the fresh air quantity conveyed into the room according to the ratio of the indoor air pressure to the outdoor air pressure.
Further optionally, the utilizing the compressor to convey fresh air indoors comprises:
when the air conditioner is in a refrigerating operation state, the fresh air conveyed by the compressor is cooled by the condenser and then conveyed into a room;
when the air conditioner is in a heating operation state, the fresh air conveyed by the compressor is directly conveyed into the room.
Further optionally, the controlling the amount of fresh air delivered indoors according to the ratio of the indoor air pressure to the outdoor air pressure includes:
when the ratio of the indoor air pressure to the outdoor air pressure is smaller than or equal to a first preset ratio, continuously sending fresh air to the room;
when the ratio of the indoor air pressure to the outdoor air pressure is greater than or equal to a second preset ratio, executing a fresh air discharge mode, wherein the fresh air discharge mode comprises the following steps: directly discharging the fresh air or starting an air turbidity discharging mode to discharge the fresh air through a drain pipe of the air conditioner;
and when the ratio of the indoor air pressure to the outdoor air pressure is between the first preset ratio and the second preset ratio, alternately carrying out the mode of sending the fresh air to the indoor and the mode of discharging the fresh air at preset time intervals.
Has the advantages that: the invention provides a compressor with a fresh air conveying function, and a fresh air conditioner adopting the compressor cannot increase the size and the noise of an indoor unit; the structure is added on the compressor, fresh air is sucked and pressurized by utilizing the power of a rotating shaft in the compressor, and the aperture of an air inlet pipe and an air outlet pipe can be greatly reduced by increasing the air pressure; the fresh air generates heat after being pressurized, the fresh air is directly conveyed to the indoor unit under the heating condition of the indoor unit, the high-temperature and high-pressure fresh air is adjusted by the multi-way switching valve and conveyed to the condenser to be cooled into normal-temperature and high-pressure fresh air under the refrigerating condition of the indoor unit, then the fresh air is conveyed to the indoor unit, the pressure of the fresh air is released, the heat absorption capacity is realized in the releasing process, the fresh air is changed into cool air, and the energy efficiency of the air conditioner is improved under the condition that a heat exchanger is not needed. In addition, discharge from the drain pipe through high-pressure fresh air, can prevent drain pipe deposition or long plant stifled hole.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.
FIG. 1 illustrates a schematic bottom pressurized air configuration of a compressor according to an embodiment;
FIG. 2 is a schematic view of a fresh air outlet of the indoor unit according to an embodiment;
FIG. 3 is a schematic view showing a discharge structure of the foul air of the indoor unit according to the embodiment;
FIG. 4 illustrates a logic flow diagram for the fresh air change on operation of an embodiment.
In the figure: 1. a rotating shaft; 2. a rotor portion; 3. a fresh air cavity; 31. an air inlet pipe; 32. an air outlet pipe; 4. an evaporator; 5. a drain pipe; A. a splitter first outlet; B. a second outlet of the flow splitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
After a fresh air structure is added to the existing air-conditioning indoor unit, the length size of the indoor unit is increased, and indoor noise is increased when a fan operates in the indoor unit; in order to achieve the fresh air exchange efficiency, the aperture of a fresh air inlet and outlet pipe is often large, and the size of an air conditioner pipeline hole reserved in a house cannot be met; after the air conditioner starts a fresh air system, the temperature difference exists between the indoor temperature difference and the outdoor temperature difference, a heat exchanger is usually used for improving the energy efficiency, but the cost is high and the efficiency is low; the air conditioner is used for a long time, the drainage pipe is accumulated with dust or long plants block the holes, condensed water cannot be discharged, and the inner machine drips water. Aiming at the problems, the invention improves the air conditioner, in particular to a compressor in the air conditioner, a fresh air cavity is additionally arranged on the compressor, and a rotor part at the tail end of a rotating shaft applies work to the air in the fresh air cavity when the compressor applies work, so that the fresh air can be provided with conveying power and conveyed into a room.
To further illustrate the technical solution of the present invention, the following specific examples are provided as shown in fig. 1 to 4.
Example 1
As shown in fig. 1, in the present embodiment, a compressor with a fresh air supply function is provided, the compressor includes a housing and a rotary driving portion, the rotary driving portion includes a rotating shaft 1, and a lower portion of the rotating shaft 1 penetrates through a bottom of the rotary driving portion to form a rotating shaft end; the fresh air cavity 3 is arranged at the bottom of the rotary driving part and is covered outside the tail end of the rotating shaft, wherein the fresh air cavity 3 is provided with an air inlet and an air outlet which are communicated with the inner side and the outer side of the fresh air cavity 3; the rotor part 2 is arranged at the tail end of the rotating shaft and used for rotating along with the rotating shaft 1 in the rotating process of the rotating shaft 1 so as to suck fresh air into the fresh air cavity 3 through the air inlet and send out the fresh air through the air outlet after pressurization.
As an alternative embodiment of the present invention, the fresh air chamber may be disposed in the casing, and a fresh air chamber is surrounded by the bottom of the rotation driving portion, the bottom wall of the casing, and the peripheral wall of the casing, or may be separately disposed outside the casing and fixed to the bottom of the casing, and when the fresh air chamber is disposed outside the casing, the lower portion of the rotating shaft penetrates outside the casing and is fixed to the rotor portion.
Specifically, as an implementation manner of this embodiment, the rotor portion is an eccentric portion, and hermetically divides a fresh air cavity into an air inlet cavity and an air outlet cavity, the air inlet is disposed on the air inlet cavity, and the air outlet is disposed on the air outlet cavity; when the rotating shaft drives the rotor part to rotate, the volumes of the air inlet cavity and the air exhaust cavity are changed relatively, when the volume of the air inlet cavity is increased and the volume of the air exhaust cavity is reduced, negative pressure is generated in the air inlet cavity to suck fresh air into the fresh air cavity, and positive pressure is generated in the air exhaust cavity to apply pressure to the fresh air so as to improve the pressure of the fresh air and send the fresh air out.
In this embodiment, the compressor has the basic functions of a conventional compressor, and can be used for an outdoor unit of an air conditioner, a fresh air chamber 3 is additionally arranged at the lower part of the compressor of the outdoor unit, the structure of a rotating shaft 1 is improved, a rotor part 2 is additionally arranged at the tail end of the rotating shaft, and fresh air flow is pressurized in the rotating process of the rotating shaft 1 to supply air under high pressure air flow. After the compressor is applied to an air conditioner, the aperture of a fresh air pipeline can be reduced under the condition of the same air supply quantity. In addition, the application of the structure can also cancel a new fan of the indoor unit, and reduce the noise of the indoor unit.
It should be noted that, based on the inventive concept of the present invention, there are other alternative embodiments of the rotor portion, for example, a fan is formed by adding an impeller to the end of the rotating shaft, that is, the rotor portion may be a fan, and the fan is a centrifugal fan or a cross flow fan or an axial flow fan. For such an embodiment, the positions of the air inlet and the air outlet of the fresh air cavity can be designed according to the type of the fan and the characteristics of the formed air flow.
For example, the fan is a cross-flow fan, and air inlet and air outlet openings can be arranged on two opposite radial sides of the fresh air cavity, so that air flow can flow in and flow out in the radial direction;
for example, the fan is a centrifugal fan, the air inlet may be disposed in an axial direction of the fresh air chamber, and the air outlet may be disposed in a radial direction of the fresh air chamber.
For example, the fan is an axial flow fan, and the air inlet and the air outlet can be arranged in the axial direction of the fresh air cavity relatively, so that air flow can axially flow in and axially flow out.
To above-mentioned several kinds of forms of fan, need have alone when the new trend chamber sets up the outside at the casing and separately have a new trend chamber casing, its and compressor housing be connected can be according to the cooling needs of setting up needs and the gyration drive division of air intake whether communicate.
Example 2
As shown in fig. 1 to 4, in the present embodiment, there is provided an air conditioner including: the compressor of example 1. The fresh air conditioner adopting the compressor can not increase the size and the noise of the indoor unit; the structure is added on the compressor, fresh air is sucked and pressurized by utilizing the power of the rotating shaft inside the compressor, and the aperture of the air inlet and outlet pipe can be greatly reduced by improving the air pressure.
The fresh air can generate certain heat after being pressurized, under the refrigeration condition of the indoor unit, the high-temperature and high-pressure fresh air can be adjusted by the multi-way switching valve to be transferred to the condenser to be cooled into normal-temperature and high-pressure fresh air, then the fresh air is conveyed to the indoor unit, the pressure of the fresh air is released, the heat absorption capacity is realized in the releasing process, the fresh air is changed into cool air, and the energy efficiency of the air conditioner is improved under the condition that a heat exchanger is not needed.
Specifically, in some optional manners, the air conditioner further includes: a condenser and evaporator 4; the multi-way switching valve is provided with a multi-way valve inlet, a multi-way valve first outlet and a multi-way valve second outlet; the first pipeline is connected with the inlet of the multi-way valve and communicated with the air outlet; the inlet end of the second pipeline is connected with the first outlet of the multi-way valve, and the outlet end of the second pipeline extends to the evaporator, wherein the outer wall of the second pipeline is in contact with the condenser so as to cool the air flowing through the second pipeline when the air conditioner operates in a refrigerating mode; and one end of the exhaust pipeline is connected with the second outlet of the multi-way valve, and the other end of the exhaust pipeline is communicated with the outside atmosphere. It should be noted that the air conditioner to which the arrangement of the pipeline is applied may be a single-cooling air conditioner. In this case, it is preferable that: the multi-way switching valve is a three-way switching valve.
In some optional modes, in this embodiment, since the fresh air can generate a certain amount of heat after being pressurized, the fresh air can be directly conveyed to the indoor unit in the case of heating the indoor unit. Preferably, the air conditioner in this embodiment further includes: the collector is provided with a first collector inlet, a second collector inlet and a collector outlet, and the collector is connected in the second pipeline through the first collector inlet and the collector outlet; one end of the third pipeline is connected with the second inlet of the current collector, and the other end of the third pipeline is connected with a third outlet of the multi-way valve of the multi-way switching valve; when the air conditioner is in heating operation, the multi-way switching valve opens the third outlet of the multi-way valve so as to convey fresh air to the evaporator through the third pipeline for heat exchange.
In this embodiment, a new fresh air delivery system is formed based on the connection and layout of the compressor, the multi-way switching valve and the pipeline. It should be noted that the fresh air conveying system formed in the air conditioner can be suitable for conveying fresh air in two modes of refrigeration and heating, high-pressure airflow is divided by the multi-way switching valve, the problem that the fresh air is conveyed to an inner machine can be solved, hot air can be fed in and out in winter, and cold air can be fed in summer, so that energy is saved and consumption is reduced. In this case, the multi-way switching valve may be a four-way switching valve.
The air conditioner can produce certain comdenstion water when the operation, for realizing that the comdenstion water is arranged outward, generally can set up drain pipe 5, but the deposition easily appears in drain pipe 5 or long plant scheduling problem.
In some optional manners, the air conditioner further includes: a diverter having a diverter inlet, a diverter first outlet A and a diverter second outlet B; the flow divider is connected with the second pipeline through a flow divider inlet and a flow divider first outlet A and is positioned on the rear side of the flow collector outlet; the second outlet B of the flow divider is connected to the drain pipe 5 of the air conditioner. The air conditioner in this embodiment can discharge from the drain pipe 5 through high-pressure fresh air, can prevent drain pipe 5 deposition or long plant stifled hole.
In some optional manners, the air conditioner includes: indoor unit shell. The indoor unit shell is provided with an installation cavity and an indoor unit air inlet communicated with the installation cavity; the evaporator is arranged in the mounting cavity, and the outlet end of the second pipeline is positioned between the evaporator and the air inlet of the internal machine.
In the air conditioner in the embodiment, the outlet end (serving as a fresh air outlet for conveying fresh air indoors) of the second pipeline is arranged at the upper part of the internal machine evaporator, so that the fresh air is guided onto the air conditioning duct, the fresh air is mixed with the indoor air conditioning air and then is sent out, the uniformity of air supply temperature can be ensured, and the user experience is improved; by controlling the flow divider of the indoor unit, high-pressure air flow can be guided to the drain pipe 5 under specific conditions, indoor foul air can be discharged through the drain pipe 5 under the high-pressure air flow, an air outlet pipe can be reduced, and the problem of water dripping of the indoor unit caused by blockage of the drain pipe 5 due to flowing of the high-pressure air flow in the drain pipe 5 can be prevented.
It should be noted that the specific condition may be combined with the ratio of the indoor air pressure to the outdoor air pressure, that is: when satisfying indoor atmospheric pressure and being greater than outdoor atmospheric pressure and reaching a certain differential pressure ratio, can discharge new trend through drain pipe 5, can wash drain pipe 5 and realize the row of indoor air turbid on the one hand, on the other hand can prevent that indoor atmospheric pressure is too high, influences user experience.
Example 3
In this embodiment, a fresh air control method of an air conditioner is provided, where the fresh air control method is used to control the air conditioner in embodiment 2 to carry out fresh air transportation, and a compressor of an air conditioner outdoor unit is used to absorb fresh air pressure and send the fresh air indoors through a pipeline. The fresh air control method comprises the following steps: when the air conditioner runs in a fresh air mode, detecting indoor air pressure and outdoor air pressure and utilizing a compressor to convey fresh air indoors; and controlling the fresh air quantity delivered into the room according to the ratio of the indoor air pressure to the outdoor air pressure.
In some alternatives, delivering fresh air to the room using the compressor comprises: when the air conditioner is in a refrigerating operation state, the fresh air conveyed by the compressor is cooled by the condenser and then conveyed into a room; when the air conditioner is in a heating operation state, the fresh air conveyed by the compressor is directly conveyed into the room. Controlling the amount of fresh air delivered into the room according to the ratio of the indoor air pressure to the outdoor air pressure comprises: when the ratio of the indoor air pressure to the outdoor air pressure is smaller than or equal to a first preset ratio, continuously sending fresh air to the room; when the ratio of indoor atmospheric pressure and outdoor atmospheric pressure is greater than or equal to the second and predetermines the ratio, then carry out the outer mode of arranging of new trend, the outer mode of arranging of new trend includes: directly discharging the fresh air or starting an air turbidity discharging mode to discharge the fresh air through a drain pipe 5 of the air conditioner; when the ratio of the indoor air pressure to the outdoor air pressure is between a first preset ratio and a second preset ratio, the fresh air supply mode and the fresh air discharge mode are alternately carried out at preset time intervals.
Because this air conditioner adopts one of embodiment 2, it is concrete, as shown in fig. 1, increase a new trend chamber 3 in the compressor bottom, two pipelines of air-supply line 31 and play tuber pipe 32 (can be connected with first pipeline) are welded respectively to new trend chamber 3 both sides, pivot 1 (middle pivot) extension stretches into in new trend chamber 3, rotor portion 2 of pivot 1 is fixed at the pivot end, during compressor refrigeration work, pivot 1 is rotatory to drive rotor portion 2 and is rotatory, it inhales new trend chamber 3 to produce the negative pressure in new trend chamber 3, pivot 1 produces the positive pressure in the play tuber pipe department simultaneously and applys pressure to the new trend, improve new trend atmospheric pressure, produce the heat in the time of the compressed air, the new trend temperature risees this moment. The fresh air state is a high-temperature high-pressure state. The air outlet on the fresh air cavity 3 in the compressor is connected with the multi-way switching valve through a high-temperature and high-pressure resistant pipe, and when the compressor is in a refrigeration mode, fresh air in a high-temperature and high-pressure state flows to the condenser through the multi-way switching valve and is cooled through the condenser, and the fresh air state is in a high-pressure normal-temperature state.
As shown in fig. 4, the collector has two inlets (a first inlet and a second inlet of the collector) and one outlet, wherein one inlet is connected to the multi-way switching valve through a high temperature and high pressure resistant pipe (which may be a plurality of thin pipes) crossing and arranged with the condenser, the other inlet is directly connected to the high temperature and high pressure resistant pipe of the multi-way switching valve (without crossing and contacting with the condenser), and the outlet of the collector is connected to the splitter in the indoor unit through the high temperature and high pressure resistant pipe. The fresh air in a high-pressure normal-temperature state flowing out of the condenser flows into the current divider of the internal machine through the current collector.
The flow divider has an inlet and two outlets (a first flow divider outlet a and a second flow divider outlet B), and as shown in fig. 4, electronic valves are arranged in the first flow divider outlet a and the second flow divider outlet B, and two states are realized by the driving of a main board program. The electronic valve has two states, wherein state 1: the first outlet a of the diverter is open, the second outlet B of the diverter is closed, state 2: the first outlet a of the diverter is closed and the second outlet B of the diverter is open. The air conditioner has two air pressure detectors, one of which detects the indoor air pressure at the internal unit and the other of which detects the outdoor air pressure at the external unit.
An operation of the air conditioner will be described with reference to a specific arrangement structure thereof. In this embodiment, for convenience of describing the present embodiment, it may be adopted that the first preset ratio is set to 1.05, and the second preset ratio is set to 1.1. It should be noted that the first preset ratio and the second preset ratio may also be set to other values according to actual needs. In addition, because most air conditioners have two states of cooling and heating, the values of the corresponding first preset ratio and the second preset ratio during cooling can be the same as or different from the values of the corresponding first preset ratio and the second preset ratio during heating.
When the air conditioner operates in a refrigerating state:
when the indoor air pressure of the indoor unit with the fresh air exchange function is started to be less than or equal to 1.05 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is opened, the second outlet B of the flow divider is closed, high-pressure normal-temperature fresh air is guided to be discharged from the upper end of the evaporator through the air duct of the first outlet A of the flow divider, as shown in figure 2, the temperature of the fresh air with the heat absorbed by the air pressure is reduced when the high-pressure normal-temperature fresh air is released to be under low air pressure, the fresh air is in a low-pressure low-temperature state, the upper end of the evaporator is also an air inlet of the indoor unit of the air conditioner, and the low-temperature fresh air is mixed with the indoor air-conditioning air. At the moment, the air inlet volume of the air conditioner of the inner machine is increased, the content oxygen is increased, the temperature is reduced, and the refrigerating effect of the inner machine can be greatly improved. The fresh air and the indoor air conditioning air are mixed and then sent to the indoor unit by the cross-flow fan blades of the indoor unit, and the air is further sent than the air of the traditional fresh air fan, so that the problem that the existing fresh air and dirty air are easy to short circuit is solved. Traditional new trend is cooled down the new trend by total heat exchange core under the refrigeration condition, and the new trend temperature is higher than indoor air conditioner wind all the time, therefore the new trend function is opened to the tradition, and interior machine refrigeration effect can reduce, solves the tradition simultaneously and opens new fan and blow hot-blast problem summer.
When the indoor air pressure of the indoor unit with the fresh air exchange function is started to be more than or equal to 1.1 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is closed, the second outlet B of the flow divider is opened, high-pressure air flow is guided to the drain pipe 5, as shown in figure 3, indoor foul air can be discharged through the drain pipe 5 under the high-pressure air flow, the difference value between the indoor air pressure and the outdoor air pressure is reduced, the comfort of a user is improved, the problem that the indoor unit drips due to the fact that the drain pipe 5 is blocked can be solved when the high-pressure air flow flows through the drain pipe 5, the exhaust pipe of a traditional fresh air system can be omitted by means of the foul air discharged through the drain pipe 5, the aperture of an air conditioner pipeline is reduced, and the finished product is attractive.
When the indoor air pressure of the indoor unit with the fresh air exchange function is larger than 1.05 times of the outdoor air pressure of the outdoor unit and smaller than 1.1 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is opened, the second outlet B of the flow divider is closed to carry out the fresh air supply function for 10 minutes, and then the functions of closing the first outlet A of the flow divider and opening the second outlet B of the flow divider to carry out the indoor air pressure and exhausting indoor foul air are switched. The switching is carried out every 10 minutes, so that the situation that the comfort of a user is influenced by a large difference value between the indoor air pressure and the outdoor air pressure is avoided.
When the air conditioner is in heating operation:
and when the heating mode is started, the fresh air in a high-temperature and high-pressure state flows to the other inlet of the current collector through the multi-way switching valve, and the outlet of the current collector is connected with the shunt in the indoor unit through a high-temperature and high-pressure resistant pipe. The high-temperature high-pressure fresh air flowing out of the compressor flows into the flow divider of the internal machine through the flow collector.
When the indoor air pressure of the indoor unit with the fresh air exchange function is started to be less than or equal to 1.05 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is opened, the second outlet B of the flow divider is closed, high-temperature and high-pressure fresh air is guided to be discharged from the upper end of the evaporator through the air duct of the first outlet A of the flow divider, as shown in figure 2, the temperature of the fresh air with the heat absorbed by the air pressure becomes low and drops when the high-pressure and normal-temperature fresh air is released to the low air pressure, the fresh air state is a low-pressure and high-temperature state, the upper end of the evaporator is also an air inlet of the indoor unit of the air conditioner, and the low-pressure and high-temperature fresh air is mixed with the indoor air-conditioning air. At the moment, the air inlet amount of the inner machine is increased, the content oxygen is increased, the air temperature of the air conditioner is increased, and the heating effect of the inner machine can be greatly improved. Traditional new trend heats up the new trend by total heat exchange core under the condition of heating, but the new trend temperature is lower than indoor air conditioner wind all the time, therefore the new trend function is opened to the tradition, and interior machine heating effect can reduce, solves the tradition simultaneously and opens new fan winter and blow cold wind problem.
When the indoor air pressure of the indoor unit with the fresh air exchange function is started to be more than or equal to 1.1 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is closed, the second outlet B of the flow divider is opened, high-temperature high-pressure air flow is guided to the drain pipe 5, as shown in fig. 3, indoor foul air can be discharged through the drain pipe 5 under the high-pressure air flow, and the problems that the drain pipe 5 with low temperature is caused to freeze and block and the like can be solved when the high-temperature high-pressure air flow flows through the drain pipe 5.
When the indoor air pressure of the indoor unit with the fresh air exchange function is larger than 1.05 times of the outdoor air pressure of the outdoor unit and smaller than 1.1 times of the outdoor air pressure of the outdoor unit, the first outlet A of the flow divider is opened, the second outlet B of the flow divider is closed to carry out the fresh air supply function for 10 minutes, and then the functions of closing the first outlet A of the flow divider and opening the second outlet B of the flow divider to carry out the indoor air pressure and exhausting indoor foul air are switched. The switching is carried out every 10 minutes, so that the situation that the comfort of a user is influenced by a large difference value between the indoor air pressure and the outdoor air pressure is avoided.
The specific process is that in the two states of cooling and heating, the fresh air is alternately sent to the indoor and discharged at a preset time interval of 10 min. It should be noted that the time intervals may also be different, for example, the time duration that the electronic valve is in the state 1 during the refrigeration may also be longer or shorter than the time duration that the electronic valve is in the state 2; similarly, the time period that the electronic valve is in the state 1 during heating can be longer or shorter than the time period that the electronic valve is in the state 2. The specific time interval can be set according to actual needs.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (13)
1. A compressor with a fresh air conveying function is characterized by comprising a shell and a rotary driving part arranged in the shell, wherein the rotary driving part comprises a rotating shaft, and the lower end of the rotating shaft penetrates out of the bottom of the rotary driving part to form the tail end of the rotating shaft;
the fresh air cavity is arranged at the bottom of the rotary driving part and is covered outside the tail end of the rotating shaft, and an air inlet and an air outlet which are communicated with the two sides inside and outside the fresh air cavity are formed in the fresh air cavity;
the rotor part is arranged at the tail end of the rotating shaft and used for rotating along with the rotating shaft in the rotating process of the rotating shaft so as to suck fresh air into the fresh air cavity through the air inlet and send out the fresh air through the air outlet after pressurization.
2. The compressor of claim 1, wherein the fresh air chamber is disposed in the shell or outside the shell, and when the fresh air chamber is disposed outside the shell, a lower portion of the rotating shaft penetrates the shell and is fixed to the rotor portion.
3. The compressor according to claim 1 or 2, wherein the rotor portion is an eccentric portion that hermetically separates a fresh air chamber into an air intake chamber and an air exhaust chamber, the air intake is provided on the air intake chamber, and the air outlet is provided on the air exhaust chamber;
when the rotating shaft drives the rotor part to rotate, the volumes of the air inlet cavity and the air exhaust cavity are changed relatively, when the volume of the air inlet cavity is increased and the volume of the air exhaust cavity is reduced, negative pressure is generated in the air inlet cavity to suck fresh air into the fresh air cavity, and positive pressure is generated in the air exhaust cavity to apply pressure to the fresh air so as to improve the pressure of the fresh air and send the fresh air out.
4. The compressor according to claim 1 or 2, wherein the rotor portion is a fan, and the fan is a centrifugal fan or a cross flow fan or an axial flow fan.
5. An air conditioner, characterized in that the air conditioner comprises: a compressor as claimed in claim 1 or 2.
6. The air conditioner according to claim 5, further comprising:
a condenser and an evaporator;
a multi-way switching valve having a multi-way valve inlet, a multi-way valve first outlet, and a multi-way valve second outlet;
the first pipeline is connected with the multi-way valve inlet and communicated with the air outlet;
the inlet end of the second pipeline is connected with the first outlet of the multi-way valve, and the outlet end of the second pipeline extends to the evaporator; the outer wall of the second pipeline is in contact with the condenser so as to cool the air flowing through the second pipeline when the air conditioner operates in a refrigerating mode;
and one end of the exhaust pipeline is connected with the second outlet of the multi-way valve, and the other end of the exhaust pipeline is communicated with the outside atmosphere.
7. The air conditioner according to claim 6, further comprising:
the collector is provided with a first collector inlet, a second collector inlet and a collector outlet, and the collector is connected in the second pipeline through the first collector inlet and the collector outlet;
one end of the third pipeline is connected with the second inlet of the current collector, and the other end of the third pipeline is connected with a third outlet of the multi-way valve of the multi-way switching valve;
when the air conditioner is in heating operation, the multi-way switching valve opens the third outlet of the multi-way valve so as to convey fresh air to the evaporator through the third pipeline for heat exchange.
8. The air conditioner according to claim 7, further comprising: a flow splitter having a splitter inlet, a splitter first outlet, and a splitter second outlet;
the flow divider is connected with the second pipeline through a flow divider inlet and a flow divider first outlet and is positioned on the rear side of the flow collector outlet; and the second outlet of the flow divider is connected with a drain pipe of the air conditioner.
9. The air conditioner according to claim 8, wherein the air conditioner comprises: the indoor machine shell is arranged on the indoor machine shell,
the indoor unit shell is provided with an installation cavity, and an indoor unit air inlet communicated with the installation cavity is formed in the indoor unit shell;
the evaporator is arranged in the mounting cavity, and the outlet end of the second pipeline is positioned between the evaporator and the air inlet of the internal machine.
10. A fresh air control method of an air conditioner, characterized in that the fresh air control method is used for controlling the air conditioner as claimed in any one of claims 5 to 9.
11. The fresh air control method according to claim 10, wherein the fresh air control method comprises:
when the air conditioner runs in a fresh air mode, detecting indoor air pressure and outdoor air pressure and utilizing a compressor to convey fresh air indoors;
and controlling the fresh air quantity conveyed into the room according to the ratio of the indoor air pressure to the outdoor air pressure.
12. The fresh air control method according to claim 11, wherein the delivering fresh air to the room by the compressor comprises:
when the air conditioner is in a refrigerating operation state, the fresh air conveyed by the compressor is cooled by the condenser and then conveyed into a room;
when the air conditioner is in a heating operation state, the fresh air conveyed by the compressor is directly conveyed into the room.
13. The fresh air control method according to claim 12, wherein the controlling of the amount of fresh air delivered indoors according to the ratio of the indoor air pressure to the outdoor air pressure comprises:
when the ratio of the indoor air pressure to the outdoor air pressure is smaller than or equal to a first preset ratio, continuously sending fresh air to the room;
when the ratio of the indoor air pressure to the outdoor air pressure is greater than or equal to a second preset ratio, executing a fresh air discharge mode, wherein the fresh air discharge mode comprises the following steps: directly discharging the fresh air or starting an air turbidity discharging mode to discharge the fresh air through a drain pipe of the air conditioner;
and when the ratio of the indoor air pressure to the outdoor air pressure is between the first preset ratio and the second preset ratio, alternately carrying out the mode of sending the fresh air to the indoor and the mode of discharging the fresh air at preset time intervals.
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| CN114216173B (en) | 2023-02-17 |
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