Multi-station water level automatic control dry and wet bulb temperature measuring system
A technology for controlling the temperature and water level of wet and dry bulbs, which is applied in thermometers, measuring heat, and measuring devices. It can solve the problems of water level rise in the water box, damage to the pressure balance between the plexiglass bottle and the wet ball gauze water box, overflow, etc., to achieve supplementary The effect of distilled water convenience
Active Publication Date: 2021-07-27
CHINA NAT ELECTRIC APP RES INST
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Problems solved by technology
[0008] (3) When the temperature of the air around the dry-wet bulb thermometer rises, the air in the plexiglass bottle expands, destroying the connection between the plexiglass bottle and the wet ball gauze water box. The pressure balance between the tanks will cause the water level of the water tank to rise, or even overflow;
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[0025] see figure 1 , a multi-station water level automatic control wet and dry bulb temperature measurement system in this embodiment includes a centralized water supply device with constant pressure and at least one wet and dry bulb temperature measuring device with a water level control device; the centralized water supply device with constant pressure 1 consists of The water pipe is connected to the distilled water storage tank 1a, self-priming water pump 1b, one-way valve 1c, surge tank 1d and pressure switch 1e in sequence. The water storage tank 1a can use a conventional water dispenser bucket, and the surge tank 1d can be expanded with an air bag Tank, pressure switch 1e can use dry contact type pressure switch. At least one water supply branch pipe 1g can be separated from the terminal water supply main pipe 1f of the centralized and stabilized water supply device 1, and each water supply branch pipe is connected to a wet and dry bulb temperature measuring device 2 wi...
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The invention discloses a multi-station water level automatic control dry and wet bulb temperature measuring system which comprises a centralized pressure stabilizing water supply device and at least one dry and wet bulb temperature measurer with a water level control device. The centralized pressure-stabilizing water supply device can provide stable distilled water supply pressure for the plurality of dry-wet bulb temperature measurers at the same time, and the water level control device automatically controls distilled water to enter wet bulb gauze water boxes of the dry-wet bulb temperature measurers and keeps the water level stable. When the air is at negative temperature, the water level control device automatically empties water stored in the wet bulb gauze water box to prevent frost crack, the water level of the wet bulb gauze water box is not influenced by external temperature, and manual water replenishing and water draining for each dry and wet bulb temperature measurer are not needed.
Description
technical field [0001] The invention relates to an air dry-wet bulb temperature measurement technology, in particular to a dry-wet bulb temperature measurement system with multi-station water level automatic control. Background technique [0002] In the test process of air conditioner enthalpy difference test, high and low temperature environment test, etc., it is necessary to measure the temperature and humidity in the test room, and generally use the wet and dry bulb temperature measuring device for measurement. [0003] The principle of the wet and dry bulb temperature measuring device is: the air temperature dry bulb platinum resistance and the wet bulb platinum resistance are inserted into the air flow channel of the dry and wet bulb temperature measuring device, the fan draws air to flow through the air flow channel, and the dry bulb platinum resistance measures the dry bulb temperature , the wet bulb platinum resistance measures the wet bulb temperature; the end of th...
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IPC IPC(8): G01N25/64G01K7/18
CPCG01N25/64G01K7/18
Inventor 郑毅穗骆毅顾泽波
Owner CHINA NAT ELECTRIC APP RES INST