工业仪表与自动化装置
工業儀錶與自動化裝置
공업의표여자동화장치
INDUSTRIAL INSTRUMENTATION & AUTOMATION
2014年
4期
43-46,77
,共5页
热力膨胀阀%开度%流量%容量测试
熱力膨脹閥%開度%流量%容量測試
열력팽창벌%개도%류량%용량측시
thermal expansion valve%opening%flow%capacity test
针对目前热力膨胀阀容量测试设备自动化程度低、测试精度低等缺点，依据国标QC/T 663-2000的测试方法，设计了一套热力膨胀阀容量测试系统。在硬件设计上，该系统由开度测试装置、制冷剂流量测试装置和控制模块组成。在软件设计上，利用Visual Basic 6.0开发了一套可视化的测试软件。容量测试结果表明，该系统能较好地实现热力膨胀阀的容量测试，其测试精度达到了1.0%。
針對目前熱力膨脹閥容量測試設備自動化程度低、測試精度低等缺點，依據國標QC/T 663-2000的測試方法，設計瞭一套熱力膨脹閥容量測試繫統。在硬件設計上，該繫統由開度測試裝置、製冷劑流量測試裝置和控製模塊組成。在軟件設計上，利用Visual Basic 6.0開髮瞭一套可視化的測試軟件。容量測試結果錶明，該繫統能較好地實現熱力膨脹閥的容量測試，其測試精度達到瞭1.0%。
침대목전열력팽창벌용량측시설비자동화정도저、측시정도저등결점，의거국표QC/T 663-2000적측시방법，설계료일투열력팽창벌용량측시계통。재경건설계상，해계통유개도측시장치、제랭제류량측시장치화공제모괴조성。재연건설계상，이용Visual Basic 6.0개발료일투가시화적측시연건。용량측시결과표명，해계통능교호지실현열력팽창벌적용량측시，기측시정도체도료1.0%。
In order to deal with the shortcomings of the capacity detection device for thermal expan-sion valve, such as low automatic level and poor test accuracy, a capacity test system for thermal expan-sion valve is designed according to the test method which is provided by the national standard QC/T 663-2000. On the hardware design, the system consists of opening test device, refrigerant flow test device and control module. On the software design, this paper use Visual Basic 6. 0 developed a set of visual test software. The experimental results of capacity test showed that the system could well realize the ca-pacity test of the thermal expansion valve, and its test accuracy had reached 1. 0%.
