Solar jet-refrigeration auxiliary air-conditioning unit and control method

A technology for air conditioning units and solar energy, which is applied to refrigerators, refrigeration components, and control inputs involving air characteristics, etc., can solve the problems of high refrigeration energy consumption, low power utilization rate, and insufficient energy saving.

Inactive Publication Date: 2017-08-18
NINGBO AUX ELECTRIC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned electric drive compression air conditioners generally have low power utilization rate, high cooling energy consumption, and insufficient energy saving.

Method used

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  • Solar jet-refrigeration auxiliary air-conditioning unit and control method

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 As shown, the solar jet refrigeration auxiliary air conditioner unit of the present invention includes a main engine circulation system connected in sequence by a compressor 1, an indoor heat exchanger 2, a first throttle valve 3 and an outdoor heat exchanger 4.

[0019] An auxiliary heat exchanger 5 is also provided between the first throttle valve 3 and the outdoor heat exchanger 4 .

[0020] The unit also includes a solar auxiliary circulation system composed of a circulation pump 6 , a solar heat collector 7 , an ejector 9 , an intermediate heat exchanger 10 and a second throttle valve 8 .

[0021] The outlet of circulation pump 6 is connected with the inlet of solar heat collector 7, the outlet of solar heat collector 7 is connected with the inlet of ejector 9, the outlet of ejector 9 is connected with the inlet of...

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Abstract

The invention discloses a solar jet-refrigeration auxiliary air-conditioning unit and a control method. The solar jet-refrigeration auxiliary air-conditioning unit comprises a main unit circulating system and a solar auxiliary circulating system. An auxiliary heat exchanger (5) is arranged between a first throttling valve (3) and an outdoor heat exchanger (4) of the main unit circulating system. An outlet of a circulating pump (6) communicates with an inlet of a solar heat collector (7), an outlet of the solar heat collector (7) communicates with an inlet of an ejector (9), an outlet of the ejector (9) communicates with an inlet of an intermediate heat exchanger (10), an outlet of the intermediate heat exchanger (10) communicates with an inlet of the circulating pump (6), the outlet of the intermediate heat exchanger (10) further communicates with an inlet of a second throttling valve (8), an outlet of the second throttling valve (8) communicates with an inlet of the auxiliary heat exchanger (5), and an outlet of the auxiliary heat exchanger (5) communicates with an inlet of the ejector (9). The key of the method lies in that when the outdoor environment temperature is higher than the critical value, a fan of the outdoor heat exchanger (4) operates at a low air gear. By adoption of the unit and the method, refrigeration energy consumption can be reduced.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to a solar jet cooling auxiliary air conditioning unit and a control method. Background technique [0002] Energy saving has always been an important goal and research and development direction of the air-conditioning industry, and the use of solar energy as the driving energy for air-conditioning can greatly reduce operating costs, so solar air-conditioning has always been a research and development hotspot in the air-conditioning industry. However, the current solar air conditioners generally have three problems. First, if solar energy is fully used, a large-area solar energy collection device needs to be installed. The collection device is expensive and occupies a large area; The third is that if you want to achieve stable and reliable operation, you must add an energy storage device, which will further complicate the system and further increase the cost. [0003] Therefore, the ...

Claims

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Application Information

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IPC IPC(8): F24F5/00F25B25/00F25B41/06F25B49/02F24F11/00F25B41/30
CPCF24F5/0046F24F11/30F24F11/62F24F11/77F24F2110/10F25B25/00F25B49/02F24F11/64F24F2005/0064F25B41/30Y02B30/70
Inventor 涂虬侯丽峰邓晨冕朱代斌
Owner NINGBO AUX ELECTRIC
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