Variable cylinder compressor

Abstract

The utility model discloses a variable cylinder compressor, including compressor body, the upper cylinder and lower cylinder are arranged in the compressor body, the upper cylinder is connected with the liquid accumulator through the upper inlet pipe, and the lower cylinder is connected with the liquid accumulator through the lower inlet pipe, the upper slide tail portion in the upper cylinder is equipped with the upper spring, and the high pressure chamber and low pressure chamber in the upper cylinder are divided by the spring elasticity and the back pressure in the compressor cavity and the upper piston, and the lower slide in the lower cylinder only relies on the back pressure in the compressor cavity and the lower piston to divide the high pressure chamber and low pressure chamber in the lower cylinder, the inlet end of the upper cylinder is also provided with the solenoid valve, and the solenoid valve controls the inlet on-off of the upper cylinder, the variable cylinder compressor structure of the utility model cancels the lower spring in the lower cylinder, and the solenoid valve is additionally arranged on the lower inlet pipe, and the opening and closing of the solenoid valve can realize the single cylinder compression of the compressor from the double cylinder, to save the energy.

Description

Technical Field

[0001] This utility model relates to the field of compressor structure technology, and in particular to a variable cylinder compressor. Background Technology

[0002] Currently, the conventional development concept in the field of rotary compressors is to use a single cylinder for small displacement and a twin cylinder for large displacement. However, twin-cylinder compressors have a problem in actual air conditioning applications: usually, when the operating environment meets the predetermined requirements, the compressor will continue to operate at the set frequency, but at this time, the large displacement of the twin cylinder is not actually needed to compress the refrigerant, which results in energy waste. Utility Model Content

[0003] The purpose of this invention is to provide a variable cylinder compressor, which can change the compressor from a dual-cylinder to a single-cylinder compressor by opening and closing a solenoid valve, thereby saving energy.

[0004] To solve the above-mentioned technical problems, this utility model provides a variable cylinder compressor, including a compressor body, in which an upper cylinder and a lower cylinder are arranged; The upper cylinder is connected to the liquid reservoir via an upper air intake pipe; while the lower cylinder is connected to the liquid reservoir via a lower air intake pipe. The upper sliding vane in the upper cylinder is equipped with an upper spring at its tail. The upper sliding vane follows the upper piston by the spring force and the back pressure in the compressor cavity, thereby separating the high and low pressure chambers in the upper cylinder. The lower sliding vane in the lower cylinder follows the lower piston by the back pressure in the compressor cavity, thereby separating the high and low pressure chambers in the lower cylinder. The upper cylinder is also equipped with a solenoid valve at its air intake end, which controls the air intake of the upper cylinder.

[0005] Preferably, the solenoid valve is installed on the lower air intake pipe between the liquid reservoir and the lower cylinder.

[0006] Compared with the prior art, the beneficial effects of this utility model are: The variable cylinder compressor structure of this utility model eliminates the lower spring in the lower cylinder and adds a solenoid valve on the lower intake pipe; by opening and closing the solenoid valve, the compressor can be changed from a double cylinder to a single cylinder, thereby saving energy. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of the variable cylinder compressor provided by this utility model; Figure 2 This is a schematic diagram of the installation of the solenoid valve in the variable cylinder compressor provided by this utility model.

[0008] In the diagram: 1. Compressor body; 2. Upper cylinder; 3. Lower cylinder; 4. Upper intake pipe; 5. Liquid receiver; 6. Lower intake pipe; 7. Upper vane; 8. Upper spring; 9. Lower vane; 10. Solenoid valve. Detailed Implementation

[0009] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0010] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0011] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0012] This utility model provides a variable cylinder compressor; please refer to [link / reference]. Figure 1 and Figure 2 The compressor includes a compressor body 1, in which an upper cylinder 2 and a lower cylinder 3 are arranged; the upper cylinder 2 is connected to a liquid reservoir 5 through an upper air inlet pipe 4; and the lower cylinder 3 is connected to the liquid reservoir 5 through a lower air inlet pipe 6. The upper sliding vane 7 in the upper cylinder 2 is equipped with an upper spring 8 at its tail. The upper spring force and the back pressure in the compressor cavity cause the upper piston to follow, thereby separating the high and low pressure chambers in the upper cylinder. The lower sliding vane 9 in the lower cylinder 3 follows the lower piston only by the back pressure in the compressor cavity, thereby separating the high and low pressure chambers in the lower cylinder. The air inlet end of the upper cylinder 2 is also equipped with a solenoid valve 10, which controls the air inlet of the upper cylinder 2.

[0013] In this embodiment, as Figure 2 As shown, the solenoid valve 10 is installed on the lower air inlet pipe 6 between the liquid reservoir 5 and the lower cylinder 3.

[0014] The variable cylinder compressor structure of this utility model eliminates the lower spring in the lower cylinder and adds a solenoid valve on the lower intake pipe; by opening and closing the solenoid valve, the compressor can be changed from a double cylinder to a single cylinder, thereby saving energy.

[0015] The above description is only a description of the preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model in any way. Any changes or modifications made by those skilled in the art based on the above disclosure shall fall within the protection scope of the claims.

Claims

1. A variable cylinder compressor, characterized in that, It includes a compressor body (1), and an upper cylinder (2) and a lower cylinder (3) are arranged inside the compressor body (1); The upper cylinder (2) is connected to the liquid reservoir (5) through the upper air inlet pipe (4); while the lower cylinder (3) is connected to the liquid reservoir (5) through the lower air inlet pipe (6); The upper slide plate (7) in the upper cylinder (2) is provided with an upper spring (8) at its tail. The upper spring force and the back pressure in the compressor cavity follow the upper piston to separate the high and low pressure chambers in the upper cylinder. The lower slide plate (9) in the lower cylinder (3) follows the lower piston only by the back pressure in the compressor cavity to separate the high and low pressure chambers in the lower cylinder. The upper cylinder (2) is also equipped with a solenoid valve (10) at the air inlet end, and the air inlet of the upper cylinder (2) is controlled by the solenoid valve (10).

2. A variable cylinder compressor as described in claim 1, characterized in that, The solenoid valve (10) is installed on the lower air inlet pipe (6) between the liquid reservoir (5) and the lower cylinder (3).

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