Liquid Pump Cooling Assembly for Dual-Mode Refrigerant Flow
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Solution Overview
Problem
Current refrigeration systems require additional reservoirs to manage excess refrigerants, increasing system volume and cost, and pose environmental risks due to refrigerant leaks, while also inefficient in energy consumption.
Innovation Solution
A refrigeration system with a liquid pump cooling assembly that integrates a housing and liquid pump, allowing for direct expansion and refrigerant pumping energy-efficiency modes, reducing the need for separate reservoirs and optimizing refrigerant flow through one-way valves and pipelines, enabling efficient energy use and compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a reservoir is added to balance refrigerant amounts between compressor and fluorine pump cycles, then the refrigeration system can operate with two refrigeration cycles, but the system volume and cost increase
Solution Approach 1:
The patent merges the reservoir function into the liquid pump cooling assembly by integrating a liquid reservoir within the housing of the liquid pump. This allows the same component to serve dual purposes: pumping liquid refrigerant and storing excess refrigerant, thereby eliminating the need for a separate reservoir and reducing overall system volume.
Solution Approach 2:
The liquid pump cooling assembly is designed with multi-functionality, serving as both a pumping device and a refrigerant storage reservoir. The housing of the liquid pump contains a liquid reservoir that can hold excess refrigerant, allowing one component to perform multiple functions that previously required separate components.
2Adaptability or versatility
If a reservoir is added to balance refrigerant amounts between compressor and fluorine pump cycles, then the refrigeration system can operate with two refrigeration cycles, but the system cost increases
Solution Approach 1:
The patent merges the reservoir function into the liquid pump cooling assembly by integrating a liquid reservoir within the housing of the liquid pump. This allows the same component to serve dual purposes: pumping liquid refrigerant and storing excess refrigerant, thereby eliminating the need for a separate reservoir and reducing overall system volume.
Solution Approach 2:
The liquid pump cooling assembly is designed with multi-functionality, serving as both a pumping device and a refrigerant storage reservoir. The housing of the liquid pump contains a liquid reservoir that can hold excess refrigerant, allowing one component to perform multiple functions that previously required separate components.
3Quantity of substance
If a large volume reservoir is added to store excess refrigerant, then the system can balance refrigerant amounts, but the entire refrigeration system volume increases
Solution Approach 1:
The patent applies the nesting principle by placing the liquid reservoir inside the housing of the liquid pump cooling assembly. The reservoir is nested within the existing structural envelope of the pump housing, utilizing the available internal space rather than adding external volume, thereby storing excess refrigerant without increasing overall system size.
Solution Approach 2:
The patent merges the reservoir function into the liquid pump cooling assembly by integrating a liquid reservoir within the housing of the liquid pump. This allows the same component to serve dual purposes: pumping liquid refrigerant and storing excess refrigerant, thereby eliminating the need for a separate reservoir and reducing overall system volume.
4Adaptability or versatility
If a reservoir is added to balance refrigerant amounts, then the system can operate with two refrigeration cycles, but refrigerant leak impact on environment increases
Solution Approach 1:
The patent merges the reservoir function into the liquid pump cooling assembly by integrating a liquid reservoir within the housing of the liquid pump. This allows the same component to serve dual purposes: pumping liquid refrigerant and storing excess refrigerant, thereby eliminating the need for a separate reservoir and reducing overall system volume.
Solution Approach 2:
The patent extracts the separate reservoir component from the system and eliminates it by integrating its function into the liquid pump cooling assembly. This reduction in the number of separate refrigerant-containing components decreases potential leak points and reduces the overall environmental impact of refrigerant leaks.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system reduces energy consumption and costs by integrating two refrigeration modes on a single circuit, minimizing refrigerant charge and eliminating the need for additional reservoirs, thus enhancing operational efficiency and environmental sustainability.
Implementation Method 1
a liquid pump cooling assembly, arranged on the cooling circuit and located between the condenser assembly and the evaporator assembly, the liquid pump cooling assembly includes a housing and a liquid pump arranged in the housing
Implementation Method 2
the compressor is in an open state and compresses the refrigerant that is in a vapor phase
Implementation Method 3
the refrigerant flowing out from the outlet of the condenser assembly enters into the evaporator assembly
Implementation Method 4
the outlet of the condenser assembly connects with the refrigerant inlet
Data Source
AI summary
A refrigeration system and a control method of the refrigeration system are provided. The refrigeration system includes a cooling circuit and a compressor, an evaporator assembly, and a condenser assembly sequentially arranged on the cooling circuit, and the refrigeration system further includes: a liquid pump cooling assembly, arranged on the cooling circuit and located between the condenser assembly and the evaporator assembly, the liquid pump cooling assembly includes a housing and a liquid pump arranged in the housing, the housing defines a cavity having a liquid reserving function, a refrigerant inlet, a first outlet connected to the cavity and a second outlet connected to the liquid pump, an outlet of the condenser assembly is in connected with the refrigerant inlet, and both the first and second outlets are connected with an inlet of the evaporator assembly; a control assembly, connected with the compressor and the liquid pump.