CN114183357B - Double-cylinder variable-capacity compressor assembly, air conditioner and control method of air conditioner - Google Patents
Double-cylinder variable-capacity compressor assembly, air conditioner and control method of air conditioner Download PDFInfo
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- CN114183357B CN114183357B CN202111545030.7A CN202111545030A CN114183357B CN 114183357 B CN114183357 B CN 114183357B CN 202111545030 A CN202111545030 A CN 202111545030A CN 114183357 B CN114183357 B CN 114183357B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 claims abstract description 118
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a double-cylinder variable-capacity compressor assembly, an air conditioner and a control method of the double-cylinder variable-capacity compressor assembly, which are used for solving the problem that the reliability of the operation of the compressor is influenced because a large amount of accumulated liquid in a variable-capacity pipe generates abnormal sound in the movement process of a sliding vane when the single cylinder and the double cylinders of the traditional double-cylinder variable-capacity compressor assembly are switched. The invention relates to a double-cylinder variable-capacity compressor assembly which comprises a shell, a liquid distributor, a first variable-capacity tube and a second variable-capacity tube, wherein the liquid distributor is arranged on the shell; the shell is provided with a refrigerant exhaust port, a refrigerant air inlet and a variable volume port, the air inlet of the first variable volume tube is communicated with the air inlet on the liquid separator through a first pipeline, and the air inlet of the second variable volume tube is communicated with the refrigerant exhaust port through a second pipeline; the first variable capacitance tube and the second variable capacitance tube can independently lead in a refrigerant into the variable capacitance port. According to the invention, the first varactor and the second varactor are arranged, and the refrigerant is independently introduced into the varactor, so that the problem of large liquid accumulation in the varactor caused by mixed liquefaction of high-temperature refrigerant and low-temperature refrigerant in the prior art is solved.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a double-cylinder variable-capacity compressor assembly, an air conditioner and a control method of the double-cylinder variable-capacity compressor assembly.
Background
At present in order to satisfy the user to the air conditioner product high efficiency, energy-conservation, comfortable requirement, adopt the variable volume compressor to replace traditional inverter compressor, the structure of double-cylinder variable volume compressor is as shown in figure 1, variable volume compressor has two kinds of mode of operation of single cylinder and double-cylinder, when air conditioner load is less, adopt single cylinder mode of operation, satisfy the requirement of user's minimum load and high efficiency simultaneously, when air conditioner load is great, adopt double-cylinder mode of operation, satisfy the demand of user's big cold volume, present variable volume compressor mainly controls the compressor single cylinder with the pin or the double-cylinder operation, when the gleitbretter is died to the pin lock, the idle running of lower cylinder, the single cylinder operation is realized to the compressor, when the pin returns, the operation of compressor double-cylinder. When the compressor operates in a single cylinder, the electromagnetic valve A2 is opened, the electromagnetic valve B3 is closed, the no-load cylinder (lower cylinder) is low-pressure, the interior of the shell is high-pressure, and liquid in the shell can enter the no-load cylinder through the gap of the pump body under the action of pressure difference. But when the compressor single cylinder switches to the double-cylinder operation, A solenoid valve 2 closed, and B solenoid valve 3 opens, and the compressor air suction volume increases in a large number, and exhaust department high temperature gas gets into varactor 1 (connect suction pressure when the single cylinder operation, and the temperature is lower) interior rapid condensation, leads to a large amount of hydrops of varactor, causes in the gleitbretter motion process because the great production abnormal sound of change of pressure, leads to customer experience to feel poor, and the compressor reliability reduces.
Disclosure of Invention
In view of the above, the invention discloses a double-cylinder variable-capacity compressor assembly, an air conditioner and a control method thereof, which are used for solving the problems that when the single cylinder and the double cylinders of the conventional double-cylinder variable-capacity compressor are switched, a large amount of accumulated liquid in a variable-capacity pipe generates abnormal sound in the movement process of a sliding vane to influence the operation reliability of the compressor and influence the experience of a user.
In order to achieve the above object, the invention adopts the following technical scheme:
the invention discloses a double-cylinder variable-capacity compressor assembly, which comprises a shell and a liquid distributor, wherein a refrigerant exhaust port, a refrigerant air inlet and a variable-capacity port are arranged on the shell, and the liquid distributor is used for supplying a refrigerant to the refrigerant air inlet; the dual cylinder variable displacement compressor assembly further comprises: the air inlet of the first variable capacitance tube is communicated with the air inlet on the liquid distributor through a first pipeline, the air outlet of the first variable capacitance tube is communicated with the variable capacitance port, and the air outlet of the first variable capacitance tube is used for introducing a refrigerant into the variable capacitance port; the air inlet of the second variable capacitance tube is communicated with the refrigerant air outlet through a second pipeline, the air outlet of the second variable capacitance tube is communicated with the variable capacitance port, and the air outlet of the second variable capacitance tube is used for introducing a refrigerant into the variable capacitance port; the first variable capacitance tube and the second variable capacitance tube can independently lead refrigerants into the variable capacitance port.
Further optionally, the dual cylinder variable displacement compressor assembly further comprises: a third pipeline through which the first varactor communicates with the varactor port; a fourth pipeline through which the second varactor communicates with the varactor port; and the valve component is used for controlling the refrigerant in the third pipeline to be introduced into the variable volume port, simultaneously preventing the refrigerant in the fourth pipeline from being introduced into the variable volume port, and controlling the refrigerant in the fourth pipeline to be introduced into the variable volume port, simultaneously preventing the refrigerant in the third pipeline from entering the variable volume port.
Further optionally, the valve assembly is a solenoid valve, the solenoid valve has two air inlet ports and an air outlet port, the third pipeline is connected to one of the air inlet ports, the air outlet port is communicated with the variable volume port through a fifth pipeline, the fifth pipeline is used for introducing a refrigerant into the variable volume port, and the fourth pipeline is connected to the other air inlet port;
through controlling the solenoid valve, can make the refrigerant of third pipeline let in the varactor mouth to block the refrigerant of fourth pipeline and get into in the varactor mouth, still can make the refrigerant of fourth pipeline get into the varactor mouth, and block the refrigerant of third pipeline and get into in the varactor mouth.
Further optionally, the solenoid valve is a two-position three-way solenoid valve.
Further optionally, the valve assembly includes a first solenoid valve and a second solenoid valve, the first solenoid valve is disposed on the third pipeline, and the second solenoid valve is disposed on the second pipeline.
Further optionally, the dual cylinder variable displacement compressor assembly further comprises:
the first air cylinder is arranged in the shell, an air outlet is further formed in the first air cylinder, the air outlet is communicated with the refrigerant exhaust port, the refrigerant air inlet is communicated with the first air cylinder, and a first sliding groove is formed in the inner wall of a cylinder body of the first air cylinder;
the first sliding sheet is arranged in the first sliding groove in a sliding mode, a variable-volume cavity is formed in the first sliding groove and is communicated with the variable-volume port, the bottom of the first sliding sheet is provided with a notch, the side wall of the first sliding groove is provided with a pin hole communicated with the variable-volume cavity, and the pin hole is located below the first sliding sheet;
the pin is arranged in the pin hole and forms a closed cavity with the pin hole, and the cavity is communicated with the refrigerant air inlet;
an elastic member disposed within the enclosed chamber;
when the third pipeline leads a refrigerant into the variable volume port and the first sliding sheet moves, the pin is clamped into the notch under the action force of the elastic component;
when the fourth pipeline leads the refrigerant into the variable volume port, the pin is pushed back into the pin hole under the pressure action of the refrigerant, so that the first slide sheet does reciprocating motion in the first sliding groove.
Further optionally, the dual cylinder variable displacement compressor assembly further comprises:
the second cylinder is located above the first cylinder, the second cylinder is provided with a gas outlet communicated with the refrigerant gas outlet, the inner wall of the cylinder body of the second cylinder is provided with a second sliding groove, a second sliding sheet is arranged in the second sliding groove, the liquid separator is provided with two refrigerant feeding pipes, the number of the refrigerant gas inlets is two, the second cylinder is communicated with one refrigerant gas inlet, and the two refrigerant feeding pipes feed the refrigerant to the two refrigerant gas inlets.
In a second aspect, the invention discloses an air conditioner, which comprises the double-cylinder variable capacity compressor assembly of the first aspect.
A third aspect of the present invention discloses a method for controlling an air conditioner according to the second aspect, including:
when the double-cylinder variable-capacitance compressor operates, the operating load of the air conditioner is obtained, the first variable-capacitance tube is selectively controlled to be communicated with the variable-capacitance port according to the operating load, the second variable-capacitance tube is blocked to be communicated with the variable-capacitance port, or the second variable-capacitance tube is communicated with the variable-capacitance port, and the first variable-capacitance tube is blocked to be communicated with the variable-capacitance port.
Further optionally, the selectively controlling the first varactor to be in conduction with the varactor port and blocking conduction between the second varactor and the varactor port, or controlling the second varactor to be in conduction with the varactor port according to the operation load includes:
if the current operating load is lower than a preset operating load, controlling the first variable capacitance tube to be communicated with the variable capacitance port, and blocking the second variable capacitance tube from being communicated with the variable capacitance port;
and if the current operating load is greater than or equal to a preset operating load, controlling a second variable capacitance tube to be communicated with the variable capacitance port, and blocking the first variable capacitance tube from being communicated with the variable capacitance port.
Has the advantages that: according to the invention, the first variable capacitance tube and the second variable capacitance tube are arranged, the refrigerant is independently introduced into the variable capacitance port, the high-temperature refrigerant is stored in the second variable capacitance tube, the low-temperature refrigerant is stored in the first variable capacitance tube, and when the single cylinder is switched to the double cylinders, the high-temperature refrigerant of the second variable capacitance tube directly enters the variable capacitance port, so that the problem of large amount of accumulated liquid in the variable capacitance tube caused by mixing and liquefying of the high-temperature refrigerant and the low-temperature refrigerant due to the fact that one variable capacitance tube is adopted for switching in the prior art is solved.
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 shows a schematic diagram of a prior art two cylinder variable displacement compressor assembly;
FIG. 2 illustrates a schematic diagram of a two cylinder variable displacement compressor assembly in an embodiment of the present invention;
FIG. 3 shows a longitudinal cross-sectional view (from above) of the pin hole communicating with the varactor cavity;
fig. 4 is a flowchart illustrating an air conditioning control method according to an embodiment of the present invention.
Reference numerals:
101-a housing; 102-a liquid separator; 103-a first varactor; 104-a second varactor; 101 a-refrigerant vent; 101 b-a variable volume port; 115-crankshaft; 116-a roller; 107-a first slide; 108-a second slip sheet; 109-pin; 111-pin holes; 110-an elastic member; c-a varactor cavity; 111-a first conduit; 112-a second conduit; 113-a third line; 114-a fourth conduit; 115-solenoid valve; 1-a variable capacitance tube; 2-A electromagnetic valve; 3-B electromagnetic valve.
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 a relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may represent: 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 phrases "comprising one of \8230;" does not exclude the presence of additional like elements in an article or system comprising the element.
Present double-cylinder varactor compressor adopts a varactor to get into the varactor through two valve selectivity control low temperature refrigerant or high temperature refrigerant, so that the refrigeration of the lower cylinder selectivity of double-cylinder varactor compressor subassembly, satisfy different needs, the problem of existence is when single cylinder and double-cylinder switch operation, the high temperature refrigerant gets into in the varactor and mixes with the low temperature refrigerant in the varactor, cause a large amount of hydrops in the varactor, cause the pressure variation of gleitbretter motion in-process varactor intracavity great, make the motion that the gleitbretter can not be steady and produce unusual noise. According to the invention, by arranging the first variable capacitance tube and the second variable capacitance tube, the refrigerant can be independently introduced into the variable capacitance port, so that the problem that a large amount of accumulated liquid in the variable capacitance tube is cooled by a low-temperature refrigerant and a high-temperature refrigerant is solved.
To further illustrate the technical solution of the present invention, the following specific examples are provided with reference to fig. 2 to 4.
Example 1
In the present embodiment, a two cylinder variable displacement compressor assembly is provided, as shown in fig. 2 and 3, comprising a housing 101, a liquid separator 102, a first variable capacitance 103 and a second variable capacitance 104; the housing 101 is provided with a refrigerant outlet 101a, a refrigerant inlet and a variable volume port 101b, and the liquid separator 102 is used for supplying a refrigerant to the refrigerant inlet; an air inlet of the first variable capacitance tube 103 is communicated with an air inlet on the liquid distributor 102 through a first pipeline 111, an air outlet of the first variable capacitance tube 103 is communicated with the variable capacitance port 101b, and an air outlet of the first variable capacitance tube 103 is used for introducing a refrigerant into the variable capacitance port 101 b; an air inlet of the second variable capacitance tube 104 is communicated with a refrigerant air outlet 101a through a second pipeline 112, an air outlet of the second variable capacitance tube 104 is communicated with a variable capacitance port 101b, and an air outlet of the second variable capacitance tube 104 is used for introducing a refrigerant into the variable capacitance port 101 b; the first varactor 103 and the second varactor 104 can independently introduce the refrigerant into the variable capacitance port 101 b.
In this embodiment, the double-cylinder variable-capacity compressor assembly further comprises a first cylinder, a second cylinder, a first sliding vane 107, a second sliding vane 108, a pin 109 and an elastic component 110; the first cylinder is arranged in the shell 101, an air outlet is further formed in the first cylinder and is communicated with a refrigerant air outlet 101a, a refrigerant air inlet is communicated with the first cylinder, a first sliding groove is formed in the inner wall of a cylinder body of the first cylinder, a first sliding piece 107 is arranged in the first sliding groove in a sliding mode, a variable volume cavity c is formed in the first sliding groove and is communicated with a variable volume port 101b, a notch is formed in the bottom of the first sliding piece 107, a pin hole communicated with the variable volume cavity c is formed in the bottom wall of the first sliding groove, the pin hole 111 is located below the first sliding piece 107, a pin 109 is arranged in the pin hole and forms a closed cavity with the pin hole, and the cavity is communicated with the refrigerant air inlet; the elastic member 110 is disposed in the closed chamber, and the elastic member 110 may be a compression spring; the second cylinder is located above the first cylinder, the second cylinder is provided with an air outlet communicated with the refrigerant exhaust port 101a, the inner wall of the cylinder body of the second cylinder is provided with a second sliding chute, a second sliding vane 108 is arranged in the second sliding chute, the liquid separator 102 is provided with two refrigerant feeding pipes, the number of the refrigerant feeding pipes is two, the second cylinder is communicated with one refrigerant feeding port, and the two refrigerant feeding pipes feed the two refrigerant feeding ports with refrigerant. Preferably, in this embodiment, when the first sliding vane 107 moves, the pin hole and the variable volume chamber c are always in a communicated state, so as to control the pin 109 to move up and down by the pressure generated by the low-pressure refrigerant of the first variable volume tube 103 and the high-pressure refrigerant of the second variable volume tube 104, thereby implementing the single-cylinder and double-cylinder switching operation of the compressor. Alternatively, as shown in FIG. 3, the pin hole 111 has a diameter greater than the thickness of the first vane 107.
Further, the dual cylinder variable displacement compressor assembly in this embodiment further comprises a third pipeline 113, a fourth pipeline 114 and a valve assembly; the first varactor 103 communicates with the varactor port 101b through a third line 113; the second varactor 104 communicates with the varactor port 101b via a fourth line 114; the valve assembly is used for controlling the refrigerant in the third pipeline 113 to flow into the variable-volume port 101b, preventing the refrigerant in the fourth pipeline 114 from flowing into the variable-volume port 101b, and controlling the refrigerant in the fourth pipeline 114 to flow into the variable-volume port 101b while preventing the refrigerant in the third pipeline 113 from entering the variable-volume port 101 b. In a preferred embodiment of this embodiment, the valve assembly is a solenoid valve 115, the solenoid valve 115 has two air inlet ports and an air outlet port, the third pipeline 113 is connected to one air inlet port, the air outlet port is communicated with the volume-changing port 101b through a fifth pipeline, the fifth pipeline is used for introducing refrigerant into the volume-changing port 101b, and the fourth pipeline 114 is connected to the other air inlet port; by controlling the solenoid valve 115, the refrigerant of the third pipeline 113 can be introduced into the variable-volume port 101b, and the refrigerant of the fourth pipeline 114 can be blocked from entering the variable-volume port 101b, and the refrigerant of the fourth pipeline 114 can also be caused to enter the variable-volume port 101b, and the refrigerant of the third pipeline 113 can be blocked from entering the variable-volume port 101 b. Optionally, the solenoid valve 115 is a two-position three-way solenoid valve 115. In yet another embodiment of this embodiment, the valve assembly includes a first solenoid valve disposed on the third line 113 and a second solenoid valve disposed on the second line 112. In this embodiment, the electromagnetic valve 115 controls the third pipeline 113 or the third pipeline 113 to open, and only one of the third pipeline 113 and the fourth pipeline 114 is open to introduce the refrigerant into the variable-volume port 101 b.
When the third pipeline 113 introduces a refrigerant into the variable-volume port 101b and the first slide sheet 107 moves, the compressor is in a single-cylinder operation state, namely only the second cylinder is in a refrigeration state, and the pin 109 is clamped into the opening under the action of the elastic component 110; when the fourth pipeline 114 leads the refrigerant into the variable-volume port 101b, the compressor is switched from single cylinder to double-cylinder operation, because the second variable-volume pipe 104 is communicated with the refrigerant exhaust port 101a, and the first variable-volume pipe is communicated with the air inlet of the liquid distributor 102, the pressure of the refrigerant in the second variable-volume pipe 104 is larger than that of the refrigerant in the first variable-volume pipe, the pin 109 is pushed back into the pin hole under the pressure action of the high-temperature refrigerant, and the first slide sheet 107 reciprocates in the first slide groove.
In this embodiment, a cylinder block is disposed in the casing 101, the first cylinder and the second cylinder are formed on the cylinder block, a crankshaft 115 is rotatably disposed on the cylinder block, two eccentric shaft sections are disposed on the crankshaft 115 and respectively located in the first cylinder and the second cylinder, rollers 116 are disposed on the two eccentric shaft sections, the first sliding piece 107 is in contact with one roller 116, and the second sliding piece 108 is in contact with the other roller 116. It is a prior art, and is only briefly described here, and is not detailed in detail, so as to facilitate understanding of the solution of the present embodiment.
Example 2
The present embodiment provides an air conditioner including the dual cylinder variable capacity compressor assembly exemplified in embodiment 1.
Example 3
The present embodiment provides a control method of an air conditioner, taking embodiment 2 as an example, as shown in fig. 4, including:
when the double-cylinder variable-capacitance compressor operates, the operating load of the air conditioner is obtained, the first variable-capacitance tube 103 is selectively controlled to be conducted with the variable-capacitance port 101b according to the operating load, the conduction of the second variable-capacitance tube 104 and the variable-capacitance port 101b is blocked, or the second variable-capacitance tube 104 is conducted with the variable-capacitance port 101b, and the conduction of the first variable-capacitance tube 103 and the variable-capacitance port 101b is blocked.
Selectively control first varactor 103 and varactor mouth 101b according to the operating load and switch on, block switching on of second varactor 104 and varactor mouth 101b, or control second varactor 104 and varactor mouth 101b and switch on, block switching on of first varactor 103 and varactor mouth 101b specifically include:
if the current operation load is lower than the preset operation load, controlling the first variable capacitance tube 103 to be communicated with the variable capacitance port 101b, and blocking the second variable capacitance tube 104 from being communicated with the variable capacitance port 101 b;
if the current operation load is greater than or equal to the preset operation load, the second variable capacitance tube 104 is controlled to be conducted with the variable capacitance port 101b, and the conduction of the first variable capacitance tube 103 and the variable capacitance port 101b is blocked.
Specifically, the on-off of the electromagnetic can be controlled to achieve the above control, taking the valve assembly as the electromagnetic valve 115 as an example, the electromagnetic valve 115 has two air inlet ports (a first air inlet port and a second air inlet port) and an exhaust port, the third pipeline 113 is connected to the first air inlet port, the exhaust port is communicated with the variable volume port 101b through a fifth pipeline, the fifth pipeline is used for introducing a refrigerant into the variable volume port 101b, and the fourth pipeline 114 is connected to the second air inlet port. If the controller on the air conditioner acquires that the operation load of the current air conditioner is lower than the preset operation load, the controller outputs a signal to control the electromagnetic valve 115 to enable the first air inlet port to be communicated with the exhaust port, at the moment, the second air inlet port and the exhaust port are in a non-communicated state, and the compressor operates in a single cylinder; if the controller obtains that the operation load of the current air conditioner is greater than or equal to the preset operation load, the controller outputs a signal to control the electromagnetic valve 115 to enable the second air inlet port to be communicated with the exhaust port, at the moment, the first air inlet port and the exhaust port are in a non-communicated state, and the compressor is switched to operate in a double cylinder from a single cylinder so as to improve the refrigerating or heating performance of the air conditioner.
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 (9)
1. An air conditioner is characterized by comprising a double-cylinder variable-capacity compressor assembly;
the double-cylinder variable volume compressor assembly comprises a double-cylinder variable volume compressor body and a liquid distributor, wherein a shell of the double-cylinder variable volume compressor body is provided with a refrigerant exhaust port, a refrigerant air inlet and a variable volume port, and the liquid distributor is arranged outside the double-cylinder variable volume compressor body and supplies refrigerant to the refrigerant air inlet;
the double-cylinder variable-capacity compressor component further comprises a first variable-capacity pipe, wherein an air inlet of the first variable-capacity pipe is communicated with an air inlet on the liquid separator through a first pipeline, an air outlet of the first variable-capacity pipe is communicated with the variable-capacity port, and the air outlet of the first variable-capacity pipe is used for introducing a refrigerant into the variable-capacity port;
the air inlet of the second variable capacitance tube is communicated with the refrigerant air outlet through a second pipeline, the air outlet of the second variable capacitance tube is communicated with the variable capacitance port, and the air outlet of the second variable capacitance tube is used for introducing a refrigerant into the variable capacitance port;
the first variable capacitance tube and the second variable capacitance tube can independently lead in a refrigerant into the variable capacitance port.
2. The air conditioner of claim 1, wherein the dual cylinder variable displacement compressor assembly further comprises:
a third conduit through which the first varactor communicates with the varactor port;
a fourth conduit through which the second varactor communicates with the varactor port;
and the valve component is used for controlling the refrigerant in the third pipeline to be introduced into the variable volume port, simultaneously preventing the refrigerant in the fourth pipeline from being introduced into the variable volume port, and controlling the refrigerant in the fourth pipeline to be introduced into the variable volume port, simultaneously preventing the refrigerant in the third pipeline from entering the variable volume port.
3. The air conditioner according to claim 2, wherein the valve assembly is a solenoid valve having two inlet ports and an exhaust port, the third pipeline is connected to one of the inlet ports, the exhaust port is communicated with the variable-volume port through a fifth pipeline, the fifth pipeline is used for introducing a refrigerant into the variable-volume port, and the fourth pipeline is connected to the other inlet port;
through controlling the solenoid valve, can make the refrigerant of third pipeline let in the varactor mouth to block the refrigerant of fourth pipeline and get into in the varactor mouth, still can make the refrigerant of fourth pipeline get into the varactor mouth, and block the refrigerant of third pipeline and get into in the varactor mouth.
4. An air conditioner according to claim 3, wherein said solenoid valve is a two-position three-way solenoid valve.
5. An air conditioner according to claim 2 wherein the valve assembly comprises a first solenoid valve and a second solenoid valve, the first solenoid valve being disposed on the third line and the second solenoid valve being disposed on the second line.
6. An air conditioner according to any one of claims 2-5, wherein said twin cylinder variable displacement compressor assembly further comprises:
the first air cylinder is arranged in the shell, an air outlet is further formed in the first air cylinder, the air outlet is communicated with the refrigerant exhaust port, the refrigerant air inlet is communicated with the first air cylinder, and a first sliding groove is formed in the inner wall of a cylinder body of the first air cylinder;
the first sliding sheet is arranged in the first sliding groove in a sliding mode, a variable volume cavity is formed in the first sliding groove and is communicated with the variable volume port, a notch is formed in the bottom of the first sliding sheet, a pin hole communicated with the variable volume cavity is formed in the bottom wall of the first sliding groove, and the pin hole is located below the first sliding sheet;
the pin is arranged in the pin hole and forms a closed cavity with the pin hole, and the cavity is communicated with the refrigerant inlet;
an elastic member disposed within the enclosed chamber;
when the third pipeline leads a refrigerant into the variable volume port and the first slip sheet moves, the pin is clamped into the opening under the action force of the elastic component;
when the fourth pipeline leads the refrigerant into the variable volume port, the pin is pushed back into the pin hole under the pressure action of the refrigerant, so that the first sliding sheet does reciprocating motion in the first sliding groove.
7. An air conditioner according to claim 6, wherein said twin cylinder variable displacement compressor assembly further comprises:
the second cylinder is located above the first cylinder, the second cylinder is provided with a gas outlet communicated with the refrigerant gas outlet, the inner wall of the cylinder body of the second cylinder is provided with a second sliding groove, a second sliding sheet is arranged in the second sliding groove, the liquid separator is provided with two refrigerant feeding pipes, the number of the refrigerant gas inlets is two, the second cylinder is communicated with one refrigerant gas inlet, and the two refrigerant feeding pipes feed the refrigerant to the two refrigerant gas inlets.
8. A control method of an air conditioner according to claim 7, wherein the control method comprises:
when the double-cylinder variable-capacitance compressor operates, the operating load of the air conditioner is obtained, the first variable-capacitance tube is selectively controlled to be communicated with the variable-capacitance port according to the operating load, the second variable-capacitance tube is blocked to be communicated with the variable-capacitance port, or the second variable-capacitance tube is communicated with the variable-capacitance port, and the first variable-capacitance tube is blocked to be communicated with the variable-capacitance port.
9. The control method of claim 8, wherein the selectively controlling the first varactor to conduct with the varactor port, blocking the second varactor from conducting with the varactor port, or controlling the second varactor to conduct with the varactor port according to the operating load comprises:
if the current operating load is lower than a preset operating load, controlling the first variable capacitance tube to be communicated with the variable capacitance port, and blocking the second variable capacitance tube from being communicated with the variable capacitance port;
and if the current operating load is greater than or equal to the preset operating load, controlling a second variable capacitance tube to be communicated with the variable capacitance port, and blocking the first variable capacitance tube from being communicated with the variable capacitance port.
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| CN116951846A (en) * | 2023-07-07 | 2023-10-27 | 青岛海尔空调器有限总公司 | Control method and device for variable capacity compressor air conditioner, variable capacity compressor air conditioner |
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