Turbo chiller

A technology of refrigerators and turbines, which is applied to refrigerators, compressors, refrigeration components, etc., can solve problems such as the decline in the reliability of turbo refrigerators, and achieve the effects of improving control responsiveness and reducing manufacturing costs

Active Publication Date: 2014-04-16
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] On the other hand, when the turbo refrigerator is initially started, when the load fluctuates or when the set temperature fluctuates, the refrigerant liquid level of the above-mentioned condenser will fluctuate, and when the refrigerant liquid level of the condenser cannot be maintained at the specified level, a The problem of decreased reliability of turbo chillers

Method used

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Embodiment Construction

[0039] Hereinafter, a turbo refrigerator according to an embodiment of the present invention will be described in detail with reference to the drawings. The accompanying drawings are used to illustrate the exemplary manner of the present invention, and are only provided for explaining the present invention in more detail, and the technical scope claimed in the present invention is not limited thereto.

[0040] In addition, regardless of the reference numerals, the same or corresponding structural elements are given the same reference numerals, and repeated description thereof is omitted. For convenience of description, the size and shape of each structural member shown may be enlarged or reduced.

[0041] On the other hand, terms including ordinal numbers such as first or second may be used to describe various structural elements, but the above structural elements are not limited by the above terms, and the above terms are only used for the purpose of distinguishing between the...

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Abstract

The invention refers to a turbo chiller, concretely a turbo chiller which can easily detect and adjust the refrigerant liquid level of a condenser. The turbo chiller comprises a compressor comprising impellers used for compressing a refrigerant; a condenser used for performing heat exchange on the refrigerant flowing from the compressor and cooling water; an evaporator used for performing heat exchange on the refrigerant discharged from the condenser and the cool water; an expansion valve arranged between the condenser and the evaporator; more than two sensors arranged at different heights in increasing direction of the refrigerant liquid level and used for detecting the refrigerant liquid level in the condenser; and a controlling part used for adjusting the aperture of the expansion valve in dependence on the refrigerant liquid level detected by the sensors.

Description

technical field [0001] The present invention relates to a turbo refrigerator, and more particularly to a turbo refrigerator capable of easily detecting and adjusting the refrigerant liquid level of a condenser. Background technique [0002] Generally, a turbo refrigerator is a device that performs heat exchange between cold water and cooling water using a refrigerant, and includes a compressor, an evaporator, a condenser, and an expansion valve. [0003] The above-mentioned compressor may include an impeller (Impeller), a shroud (Shroud), and a variable diffuser (Diffuser), wherein the impeller is rotated by the driving force of the drive motor, the shroud is used to accommodate the impeller, and the variable diffuser is used to move the impeller along with the impeller. The kinetic energy of the rotating and discharged fluid is converted into pressure energy. [0004] As an embodiment of the above-mentioned evaporator and condenser, there may be a shell-in-tube structure, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B1/00F25B1/10F25B41/06F25B49/02
CPCF25B1/053F25B2600/2513F25B2600/05F25B2341/068F25B41/315
Inventor 张星民
Owner LG ELECTRONICS INC
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