CN221299446U

CN221299446U - Compressor assembly and air conditioning system

Info

Publication number: CN221299446U
Application number: CN202323255232.5U
Authority: CN
Inventors: 李江; 阙沛祯; 董辉
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-09
Anticipated expiration: 2033-11-30

Abstract

The utility model provides a compressor assembly and an air conditioning system. The compressor assembly comprises a compressor and an impeller assembly, the impeller assembly is provided with a first chamber and a second chamber, an exhaust port of the compressor is communicated with the first chamber, an air inlet of the compressor is communicated with the second chamber, a first impeller is arranged in the first chamber, a second impeller is arranged in the second chamber, exhaust gas from the exhaust port of the compressor can drive the first impeller to rotate, the first impeller is connected with the second impeller, and the first impeller and the second impeller synchronously rotate. According to the utility model, the defects of high energy consumption of the compressor and high performance of the compressor caused by lower cooling temperature, density and pressure in the air inlet part of the compressor when the air conditioner heats in the prior art can be overcome.

Description

Compressor assembly and air conditioning system

Technical Field

The utility model belongs to the technical field of air conditioners, and particularly relates to a compressor assembly and an air conditioning system.

Background

The influence on the operation of the air conditioner comprises the ambient temperature of the external machine part and the operation condition of the air conditioner during operation. The former directly affects the density, pressure, and associated cooling effect of the refrigerant in the compressor inlet passage. The latter compressor operating condition determines the compressor motor current, power level. When the external environment temperature is lower, the air conditioner needs to perform high-frequency heating, and at the moment, the cooling temperature, density and pressure in the air inlet part of the compressor are lower, and the situation directly leads to the increase of the energy consumption of the compressor.

Because the temperature, density and pressure of the cooling component in the air inlet part of the compressor are low when the air conditioner heats in the prior art, the energy consumption of the compressor is increased and the like, the utility model designs a compressor assembly and an air conditioning system.

Disclosure of utility model

Therefore, the utility model aims to overcome the defects that the energy consumption is increased due to lower temperature, density and pressure in the air inlet component of the compressor when the air conditioner heats in the prior art, thereby providing a compressor component and an air conditioning system.

In order to solve the problems, the utility model provides a compressor assembly, which comprises a compressor and an impeller assembly, wherein the impeller assembly is provided with a first chamber and a second chamber, an exhaust port of the compressor is communicated with the first chamber, an air inlet of the compressor is communicated with the second chamber, a first impeller is arranged in the first chamber, a second impeller is arranged in the second chamber, gas exhausted from the exhaust port of the compressor can drive the first impeller to rotate, the first impeller is connected with the second impeller, and the first impeller and the second impeller synchronously rotate.

In some embodiments, the impeller assembly includes two housings, one housing having the first chamber therein and the other housing having the second chamber therein, and a mounting shaft having one end extending into the first chamber to be connected to the first impeller and the other end extending into the second chamber to be rotatably connected to the second impeller.

In some embodiments, the assembly shaft is connected with the shell through a bearing, the shell is provided with an inlet and an outlet, and the central axis of the inlet is coincident with the central axis of the outlet.

In some embodiments, the outlet central axis of one of the housings is located below the outlet central axis of the other housing in a vertical direction.

In some embodiments, the first impeller has a blade direction opposite to the airflow direction in the first chamber, the second impeller has a blade direction opposite to the airflow direction in the second chamber, and the first impeller has a blade direction opposite to the second impeller.

The invention also provides an air conditioning system comprising the compressor assembly according to any one of the preceding claims.

In some embodiments, the air conditioning system further comprises a first heat exchanger, a throttling element and a second heat exchanger which are sequentially connected, wherein one end of the first heat exchanger is connected with the throttling element, and the other end of the first heat exchanger is communicated with the second chamber; one end of the second heat exchanger is connected with the throttling piece, and the other end of the second heat exchanger is communicated with the first chamber.

In some embodiments, the air conditioning system further comprises a flash evaporator, one end of the flash evaporator is communicated with the first heat exchanger, the other end of the flash evaporator is communicated with the first heat exchanger, and the flash evaporator is communicated with the first heat exchanger through the throttling piece.

In some embodiments, the air conditioning system further comprises a liquid separator, one end of the liquid separator is communicated with the compressor, the other end of the liquid separator is communicated with the second chamber, the other end of the first heat exchanger is provided with a second valve body, the second valve body is provided with a first end, a second end and a third end, the first end is communicated with the first heat exchanger, the second end is communicated with the liquid separator, the third end is communicated with the second chamber, and the first end is optionally communicated with the second end or the third end.

In some embodiments, the compressor discharge port is provided with a first valve body having a fourth end in communication with the compressor discharge port, a fifth end in communication with the second heat exchanger, and a sixth end in communication with the first chamber, the fourth end being in selectable communication with either the fifth end or the sixth end.

The compressor assembly and the air conditioning system provided by the utility model have the following beneficial effects:

Under the condition that the external environment temperature is lower, when the compressor heats, high-pressure gas exhausted by the compressor pushes the first impeller to rotate, so that the first impeller drives the second impeller to synchronously rotate, the gas at the air inlet of the compressor is pressurized through the second impeller, and resistance is generated to the first impeller relatively when the second impeller rotates, and then resistance is generated to the exhaust of the compressor, and the exhaust is pressurized relatively, so that the working resistance of the compressor is reduced, and the energy consumption of the compressor is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

Fig. 1 is a schematic structural view of an air conditioning system when a compressor assembly according to an embodiment of the present utility model is applied to the air conditioning system;

FIG. 2 is a perspective view of an impeller assembly of a compressor assembly according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of an impeller assembly of a compressor assembly according to an embodiment of the present utility model;

Fig. 4 is a schematic view of the impeller assembly of the compressor assembly according to the embodiment of the present utility model.

The reference numerals are expressed as:

1. A first impeller; 2. a bearing; 3. a housing; 4. assembling a shaft; 5. a second impeller; 6. a compressor; 7. a knockout; 8. a first valve body; 9. an impeller assembly; 10. a second valve body; 11. a first heat exchanger; 12. a flash evaporator; 13. a throttle member; 14. and a second heat exchanger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

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

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Referring to fig. 1 to 4 in combination, according to an embodiment of the present utility model, there is provided a compressor assembly including a compressor 6 and an impeller assembly 9, the impeller assembly 9 having a first chamber and a second chamber, an exhaust port of the compressor 6 being in communication with the first chamber, an intake port of the compressor 6 being in communication with the second chamber, a first impeller 1 being disposed in the first chamber, a second impeller 5 being disposed in the second chamber, and gas discharged from the exhaust port of the compressor 6 being capable of driving the first impeller 1 to rotate, the first impeller 1 being connected to the second impeller 5, the first impeller 1 and the second impeller 5 being rotated synchronously. In the technical scheme, when the external environment temperature is lower, the high-pressure gas exhausted by the compressor pushes the first impeller 1 to rotate when the compressor heats, so that the first impeller 1 drives the second impeller 5 to synchronously rotate, the gas at the air inlet of the compressor 6 is pressurized through the second impeller 5, and the second impeller 5 relatively generates resistance to the first impeller 1 when rotating, and then generates resistance to the exhaust of the compressor 6, and the exhaust is relatively pressurized, so that the working resistance of the compressor is reduced, and the energy consumption of the compressor is reduced.

In some embodiments, the impeller assembly 9 includes two housings 3 and a mounting shaft 4, one housing 3 has the first chamber therein, the other housing 3 has the second chamber therein, one end of the mounting shaft 4 extends into the first chamber to be connected with the first impeller 1, and the other end of the mounting shaft 4 extends into the second chamber to be rotatably connected with the second impeller 5. In this technical scheme, through two casings 3 for first cavity and second cavity mutually independent, compressor 6 intake and exhaust do not influence each other, utilize assembly shaft 4, make first impeller 1 with the synchronous rotation of second impeller 5.

In some embodiments, the assembly shaft 4 is connected with the housing 3 through a bearing 2, and the housing 3 is provided with an inlet and an outlet, and the central axis of the inlet is coincident with the central axis of the outlet. In the technical scheme, the assembly shaft 4 is in interference fit with the inner circle of the bearing 2, and in order to reduce the influence of assembly on the bearing, hydraulic press installation or hot-set insertion can be adopted; the bearing 2 is in interference fit with the shell 3, and the hydraulic machine can be adopted for installation or hot-set insertion in consideration of the exhaust pressure range of the compressor; the impellers at two ends can be installed by adopting a hydraulic machine; the sealing protecting covers at the two ends and the middle part of the protecting cover are welded and sealed, and the air tightness is checked, so that the sealing requirement is consistent with that of the compressor. By means of the two housings 3, the first chamber and the second chamber are independent of each other, the air intake and the air exhaust of the compressor 6 are not affected by each other, and the first impeller 1 and the second impeller 5 are rotated synchronously by means of the assembly shaft 4. The shell 3 is provided with an inlet and an outlet, and the central axis of the inlet is coincident with the central axis of the outlet. So that the flow path of the air flow entering the housing 3 is increased by the impeller, so that the intake supercharging efficiency is improved.

In some embodiments, the outlet central axis of one of the housings 3 is located below the outlet central axis of the other housing 3 in the vertical direction. In this solution, the outlet central axis of one housing 3 is located below the outlet central axis of the other housing 3 by being in the vertical direction. The air flow of the air inlet of the compressor 6 is located above the assembly shaft 4, and the air flow of the air outlet of the compressor 6 is located above the assembly shaft 4, so that the first impeller 1 and the second impeller 5 are respectively driven in two directions, the assembly shaft 4 rotates more smoothly, the rotating speed of the assembly shaft 4 is further improved, and the supercharging effect is improved.

In some embodiments, the direction of the blades of the first impeller 1 is opposite to the direction of the air flow in the first chamber, the direction of the blades of the second impeller 5 is opposite to the direction of the air flow in the second chamber, and the direction of the blades of the first impeller 1 is opposite to the direction of the blades of the second impeller 5. In this technical scheme, the blade direction is the one end that the blade was carried away from assembly axle 4, through the blade direction of first impeller 1 with the air current flow direction in the first cavity is opposite, the blade direction of second impeller 5 with the air current flow direction in the second cavity is opposite, the blade direction of first impeller 1 and second impeller 5 is opposite for the effort of air inlet air current and exhaust air current to the blade is biggest, further improves the rotational speed of first impeller 1 and second impeller 5, promotes the supercharging effect.

The invention also provides an air conditioning system which is characterized by comprising the compressor assembly.

In some embodiments, the air conditioning system further comprises a first heat exchanger 11, a throttling element 13 and a second heat exchanger 14 which are sequentially connected, wherein one end of the first heat exchanger 11 is connected with the throttling element 13, and the other end of the first heat exchanger 11 is communicated with the second chamber; one end of the second heat exchanger 14 is connected with the throttling element 13, and the other end of the second heat exchanger 14 is communicated with the first chamber. The air conditioning system further comprises a flash evaporator 12, one end of the flash evaporator 12 is communicated with the first heat exchanger 11, the other end of the flash evaporator 12 is communicated with the first heat exchanger 11, and the flash evaporator 12 is communicated with the first heat exchanger 11 through a throttling piece 13.

In some embodiments, the air conditioning system further comprises a liquid separator 7, one end of the liquid separator 7 is communicated with the compressor 6, the other end of the liquid separator 7 is communicated with the second chamber, the other end of the first heat exchanger 11 is provided with a second valve body 10, the second valve body 10 has a first end, a second end and a third end, the first end is communicated with the first heat exchanger 11, the second end is communicated with the liquid separator 7, the third end is communicated with the second chamber, and the first end is optionally communicated with the second end or the third end. In this technical scheme, the second valve body 10 adopts the three-way valve, and the compressor is initially operated or under the softer condition of operating mode, then need not to carry out the pressure boost that admits air, consequently make first end with the second end is linked together, and first end and third end disconnection, and the air current in the first heat exchanger 11 directly flows into the knockout 7, and the compressor is inhaled the route and is not different with normal compressor this moment.

In some embodiments, the discharge port of the compressor 6 is provided with a first valve body 8, the first valve body 8 having a fourth end, a fifth end and a sixth end, the fourth end being in communication with the discharge port of the compressor 6, the fifth end being in communication with the second heat exchanger 14, the sixth end being in communication with the first chamber, the fourth end being in selectable communication with either the fifth end or the sixth end. In this technical scheme, the first valve body 8 adopts the three-way valve, and the compressor is initially operated or under the softer condition of operating mode, then need not to carry out the pressure boost that admits air, consequently makes the fourth end with the fifth end is linked together, and four ends and sixth end disconnection, and the gaseous direct inflow of compressor 6 exhaust is in the second heat exchanger 14, and the compressor is inhaled the route of discharging and is not different with normal compressor this moment.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a compressor assembly, its characterized in that, includes compressor (6) and impeller subassembly (9), impeller subassembly (9) have first cavity and second cavity, the gas vent of compressor (6) with first cavity is linked together, the air inlet of compressor (6) with the second cavity is linked together, be provided with first impeller (1) in the first cavity, set up second impeller (5) in the second cavity, the gas energy of the gas vent exhaust of compressor (6) drives first impeller (1) rotate, first impeller (1) with second impeller (5) are connected, first impeller (1) with second impeller (5) synchronous rotation.

2. A compressor assembly according to claim 1, wherein the impeller assembly (9) comprises two housings (3) and a mounting shaft (4), one of the housings (3) having the first chamber therein and the other housing (3) having the second chamber therein, one end of the mounting shaft (4) extending into the first chamber to be connected to the first impeller (1) and the other end of the mounting shaft (4) extending into the second chamber to be rotatably connected to the second impeller (5).

3. A compressor assembly according to claim 2, wherein the mounting shaft (4) is connected to the housing (3) by means of a bearing (2), the housing (3) having an inlet and an outlet, the central axis of the inlet coinciding with the central axis of the outlet.

4. A compressor assembly according to claim 3, wherein the outlet centre axis of one housing (3) is located below the outlet centre axis of the other housing (3) in a vertical direction.

5. A compressor assembly according to claim 1, wherein the direction of the blades of the first impeller (1) is opposite to the direction of the air flow in the first chamber, the direction of the blades of the second impeller (5) is opposite to the direction of the air flow in the second chamber, and the direction of the blades of the first impeller (1) is opposite to the direction of the blades of the second impeller (5).

6. An air conditioning system comprising the compressor assembly of any one of claims 1 to 5.

7. An air conditioning system according to claim 6, further comprising a first heat exchanger (11), a throttling element (13) and a second heat exchanger (14) connected in sequence, wherein one end of the first heat exchanger (11) is connected to the throttling element (13), and the other end of the first heat exchanger (11) is communicated with the second chamber; one end of the second heat exchanger (14) is connected with the throttling element (13), and the other end of the second heat exchanger (14) is communicated with the first chamber.

8. An air conditioning system according to claim 7, further comprising a flash evaporator (12), one end of the flash evaporator (12) being in communication with the first heat exchanger (11), the other end of the flash evaporator (12) being in communication with the first heat exchanger (11), the flash evaporator (12) being in communication with the first heat exchanger (11) and the flash evaporator (12) being in communication with the first heat exchanger (11) via the throttle (13).

9. An air conditioning system according to claim 7, characterized in that the air conditioning system further comprises a liquid separator (7), one end of the liquid separator (7) is communicated with the compressor (6), the other end of the liquid separator (7) is communicated with the second chamber, the other end of the first heat exchanger (11) is provided with a second valve body (10), the second valve body (10) is provided with a first end, a second end and a third end, the first end is communicated with the first heat exchanger (11), the second end is communicated with the liquid separator (7), the third end is communicated with the second chamber, and the first end is optionally communicated with the second end or the third end.

10. An air conditioning system according to claim 7, characterized in that the discharge opening of the compressor (6) is provided with a first valve body (8), the first valve body (8) having a fourth end, a fifth end and a sixth end, the fourth end being in communication with the discharge opening of the compressor (6), the fifth end being in communication with the second heat exchanger (14), the sixth end being in communication with the first chamber, the fourth end being optionally in communication with the fifth end or the sixth end.