主要规格及技术指标

1. 适用介质与测试类型
（1）测试介质组合：制冷剂、水、空气之间的两两换热（如制冷剂-水、制冷剂-空气、水-空气）。
（2）测试模式：
蒸发测试（制冷剂蒸发换热）：适用于蒸发器性能测试。
冷凝测试（制冷剂冷凝换热）：适用于冷凝器性能测试。
空气-水换热测试：如冷水盘管、热水盘管性能测试。
（3）兼容制冷剂：R134a、R410A、R454B、R1234ze、R513a、R32等。

2. 系统配置与流程
（1）双系统设计：
大系统：制冷剂流量由制冷剂泵调节，水流量由水泵控制。
小系统：制冷剂流量由膨胀阀调节，水流量由三通阀控制。
（2）关键流程部件：
制冷剂循环：制冷剂泵、质量流量计、加热器、辅助换热器、过冷器。
压力调节：通过辅助换热器的三通调节阀控制出口压力。
（3）干度控制：
蒸发测试：前加热器调节进口干度。
冷凝测试：再加热器调节进口干度。

3. 控制与调节能力
（1）压力控制：换热器出口压力由辅助换热器的三通调节阀调节（依赖低温水箱）。
（2）流量控制：
大系统：制冷剂泵（制冷剂流量）、水泵（水流量）。
小系统：膨胀阀（制冷剂流量）、三通阀（水流量）。
（3）温度与干度控制：
前加热器（蒸发测试）或再加热器（冷凝测试）调节制冷剂进口干度。
出口干度由风侧/水侧换热量决定。

4. 主要设备组成
（1）控制柜：负责系统启停、温度/压力调节阀控制等。
（2）制冷剂系统：制冷剂循环、加热、冷却、压力/温度控制。
（3）风量装置：提供稳定空气环境（风量、干/湿球温度调节）。

5. 数据采集与处理
（1）硬件：计算机、数据采集器、高精度传感器（温度、压力、流量等）。
（2）软件功能（基于Win10平台）：
试验参数设置与调节（通过数字调节器）。
实时数据显示、动态曲线趋势分析。
自动判稳、数据记录、计算及存档。
支持数据检索、曲线回放及打印输出。

1. Applicable media and test types
(1) Test medium combination: heat exchange between refrigerant, water and air (such as refrigerant-water, refrigerant-air, water-air).
(2) Test mode:
Evaporation test (refrigerant evaporation heat exchange): Applicable to evaporator performance test.
Condensation test (refrigerant condensation heat exchange): Applicable to condenser performance test.
Air-water heat exchange test: such as cold water coil and hot water coil performance test.
(3) Compatible refrigerants: R134a, R410A, R454B, R1234ze, R513a, R32, etc.

2. System configuration and process
(1) Dual system design:
Large system: The refrigerant flow is regulated by the refrigerant pump and the water flow is controlled by the water pump.
Small system: The refrigerant flow is regulated by the expansion valve and the water flow is controlled by the three-way valve.
(2) Key process components:
Refrigerant cycle: refrigerant pump, mass flow meter, heater, auxiliary heat exchanger, subcooler.
Pressure regulation: The outlet pressure is controlled by the three-way regulating valve of the auxiliary heat exchanger.
(3) Dryness control:
Evaporation test: The front heater adjusts the inlet dryness.
Condensation test: The reheater adjusts the inlet dryness.

3. Control and regulation capabilities
(1) Pressure control: The outlet pressure of the heat exchanger is adjusted by the three-way regulating valve of the auxiliary heat exchanger (depending on the low-temperature water tank).
(2) Flow control:
Large system: refrigerant pump (refrigerant flow), water pump (water flow).
Small system: expansion valve (refrigerant flow), three-way valve (water flow).
(3) Temperature and dryness control:
The front heater (evaporation test) or reheater (condensation test) adjusts the refrigerant inlet dryness.
The outlet dryness is determined by the air side/water side heat exchange amount.

4. Main equipment components
(1) Control cabinet: responsible for system start and stop, temperature/pressure regulating valve control, etc.
(2) Refrigerant system: refrigerant circulation, heating, cooling, pressure/temperature control.
(3) Air volume device: provide a stable air environment (air volume, dry/wet bulb temperature adjustment).

5. Data acquisition and processing
(1) Hardware: computer, data acquisition device, high-precision sensor (temperature, pressure, flow, etc.).
(2) Software functions (based on Win10 platform):
Test parameter setting and adjustment (through digital regulator).
Real-time data display, dynamic curve trend analysis.
Automatic stability judgment, data recording, calculation and archiving.
Support data retrieval, curve playback and print output.

主要功能及特色

1. 多功能测试能力
支持蒸发、冷凝、空气-水换热等多种测试模式，覆盖广泛的应用场景。
兼容多种制冷剂，适应不同制冷系统的性能验证需求。

2. 高精度控制与调节
采用多级调节（泵、阀、加热器）确保流量、压力、干度的精准控制。
独立的大/小系统设计，灵活适配不同规格的换热器测试。

3. 智能化数据管理
全自动数据采集、计算及存档，减少人工干预误差。
实时趋势曲线显示，支持历史数据回溯与分析。

4. 模块化设计
控制柜、制冷剂系统、风量装置独立模块化，便于维护与升级。
风量装置可模拟不同环境条件（温湿度、风速），增强测试适用性。

1. Multifunctional testing capability
Supports multiple test modes such as evaporation, condensation, air-water heat exchange, etc., covering a wide range of application scenarios.
Compatible with a variety of refrigerants, adapting to the performance verification requirements of different refrigeration systems.

2. High-precision control and regulation
Adopt multi-stage regulation (pump, valve, heater) to ensure accurate control of flow, pressure, and dryness.
Independent large/small system design, flexible adaptation to heat exchanger tests of different specifications.

3. Intelligent data management
Fully automatic data collection, calculation and archiving to reduce manual intervention errors.
Real-time trend curve display, support for historical data backtracking and analysis.

4. Modular design
Control cabinet, refrigerant system, and air volume device are independently modularized for easy maintenance and upgrade.
The air volume device can simulate different environmental conditions (temperature, humidity, wind speed) to enhance the applicability of the test.

主要附件及配置

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