Application patent number CN200420003594.3
Date of patent application: February 2004.17
The name is a cold meter used to detect the freezing temperature of water droplets.
Announcementno. CN2674444
Release date (announcement): 2005.438+0.26
Category physics
Certification date
right of priority
Apply for (patent right) China Institute of Meteorological Science.
Address 10008 1 No.46 Zhongguancun South Street, Haidian District, Beijing
Inventor (Designer) Yang; Tan daxiong
International application
International announcement
date of entry
Patent Agent Beijing Fan Hua Ye Wei Intellectual Property Agency Co., Ltd.
Agent Wang Fenghua
abstract
The utility model relates to a cooling bed used for detecting the freezing temperature of water droplets in weather modification experiments, which comprises a cooling bed box consisting of an upper cooling tank and a lower cooling tank, wherein a cavity supported by a thermal insulation material is arranged between the two cooling tanks, and upper and lower cooling plates consisting of more than four series-connected semiconductor refrigeration elements are respectively stuck on the surfaces of the two cooling tanks in the cavity, and frozen drop induction plates consisting of more than four series-connected semiconductor refrigeration elements are respectively stuck on the cold surfaces of the cooling plates, and are coated with heat-conducting silicone grease; The cold faces of the freezing drop sensor plate are opposite, and the copper plate with a thickness of 65438±0mm is coated with heat-conducting silicone grease respectively; On the cold surface of the copper plate below, a temperature sensing element is placed to induce linear cooling as the input of the thermometer; The other temperature sensing element is arranged between the refrigeration upper plate and the frozen drop sensing upper plate as the input of the temperature controller; Refrigerant consisting of a mixture of water and ethylene glycol is filled in the two radiating grooves, and a liquid inlet and a liquid outlet are arranged on the groove walls; The upper and lower refrigeration plates are connected in series, and then connected in parallel to the temperature control loop.
Sovereignty terms
1. A cooling bed for detecting the freezing temperature of water droplets comprises a cooling bed box (1) and a temperature measuring instrument (5); Characterized in that the cold desk box (1) is composed of upper and lower metal radiating grooves (8, 8'), a heat insulation material bracket (9) is arranged between the two radiating grooves, and the upper and lower radiating plates formed by connecting more than (4) semiconductor refrigeration elements in series are bonded to the opposite surfaces of the two radiating grooves (8, 8') in the cavity by heat-conducting silicone grease. The cold surfaces of the refrigeration sheets (10, 10') are opposite, and the freezing drop induction sheet (1 1') composed of more than four semiconductor refrigeration elements connected in series is respectively bonded with heat-conducting silicone grease; The cold faces of two frozen drop sensing plates (1 1, 1 1') are opposite, and the copper plates are coated with heat-conducting silicone grease respectively, and a cold cavity (12) for containing water drops is formed between them; The temperature sensing element (13') is attached to the cold surface of the copper lower plate; A temperature sensing element (13) is arranged between the refrigeration upper plate (10) and the frozen drop sensing upper plate (1 1); The two radiating grooves (8, 8') are filled with refrigerant (14) composed of a mixture of water and ethylene glycol, and the groove walls are provided with a liquid inlet and a liquid outlet (3); The upper and lower refrigeration plates are connected to the temperature control loop in parallel.
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