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Heat exchange system and water heater with the same

A heat exchange system and heat exchanger technology, applied in superheaters, fluid heaters, lighting and heating equipment, etc., can solve problems such as liquid return and overheating under high temperature conditions, so as to avoid liquid shock, improve practicability and reliability performance and improve user experience

Pending Publication Date: 2018-11-13
格力电器(杭州)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a heat exchange system and a water heater with it, so as to solve the problems of liquid return in low temperature working conditions and overheating in high temperature working conditions in the prior art.

Method used

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  • Heat exchange system and water heater with the same

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Embodiment Construction

[0019] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0020] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0021] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present application are used to distinguish similar objects, ...

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Abstract

The invention provides a heat exchange system and a water heater with the same. The heat exchange system comprises an exhaust opening of a compressor, wherein the exhaust opening communicates with a first inlet end of a first heat exchanger, a first outlet end of the first heat exchanger communicates with a first inlet end of a second heat exchanger, the first outlet end of the first heat exchanger communicates with an inlet end of a third heat exchanger, an outlet end of the third heat exchanger communicates with a first inlet end of a gas-liquid separator, and a first outlet end of the gas-liquid separator communicates with an intake opening of the compressor; and a caterpillar pipe and a valve structure are arranged on a pipeline for connecting the second heat exchanger and the third heat exchanger, and the caterpillar pipe and the valve structure are arranged in parallel. By arranging the caterpillar pipe and the valve structure side by side, the low-temperature back-flowing and high-temperature overheating problems of the heat exchange system can be prevented, the liquid impact condition of the compressor is effectively avoided, the practicability and reliability of the heat exchange system are effectively improved, and the use experience of the user is improved.

Description

technical field [0001] The invention relates to the technical field of heat exchange system equipment, in particular, to a heat exchange system and a water heater having the same. Background technique [0002] Existing CO with capillary throttling 2 Heat pump water heaters are prone to liquid back when heating at low temperatures, resulting in compressor liquid hammer. Easy to overheat under high temperature conditions, limiting CO 2 Due to the performance of the refrigerant characteristics, the operating range of the working conditions is small, and the environmental adaptability is poor. Based on the current technical limitations of electronic expansion valves under high pressure conditions, using one electronic expansion valve alone often fails to meet the regulation requirements, and the use of multiple electronic expansion valves will generate cost pressure, thus resulting in poor user experience of heat pump water heaters in the prior art The problem. Contents of ...

Claims

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Application Information

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IPC IPC(8): F25B9/00F25B40/06F25B41/04F25B41/06F25B43/00F25B49/02F24H4/02F25B41/20F25B41/34F25B41/37
CPCF24H4/02F25B9/008F25B40/06F25B43/006F25B49/02F25B2500/28F25B2600/2513F25B41/37F25B41/20F25B41/31
Inventor 朱利锋
Owner 格力电器(杭州)有限公司
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