Adjusting temperature at location within target volume

A technology of target volume and temperature measurement, applied in the direction of temperature control, temperature control, control/regulation system using multiple sensors, can solve the problem of unacceptable temperature difference of isolation container, and achieve the effect of accurate and rapid temperature control

Inactive Publication Date: 2019-11-15
VAKAVA TECH LTD OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] If the gaseous carbon dioxide is not evenly distributed, the tem

Method used

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  • Adjusting temperature at location within target volume
  • Adjusting temperature at location within target volume
  • Adjusting temperature at location within target volume

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Embodiment Construction

[0033] Various embodiments herein relate to temperature regulation within a target volume. Temperature regulation may include cooling and / or heating the target volume by gas flow.

[0034] Certain embodiments describe the use of dry ice as a coolant. Dry ice is carbon dioxide (CO 2 ) in solid form. Dry ice sublimates at -78.5°C at Earth's atmospheric pressure. During sublimation of solid dry ice, the dry ice changes directly from the solid phase to the gas phase without passing through an intermediate liquid phase. In the following, sublimated dry ice refers to dry ice in the gaseous phase. The extreme coldness of solid dry ice makes it dangerous to handle solid dry ice without protection due to freezing (frostbite) leading to burns. Although outgassing from dry ice is generally not very toxic, outgassing from dry ice can lead to hypercapnia due to accumulation in confined spatial locations.

[0035] Certain embodiments describe heating a target volume (eg, a storage con...

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Abstract

There is provided an arrangement for adjusting temperature in at least one location within a target volume (2). The arrangement comprises one or more elements (1202) comprising sound inputs (1204), gas inputs (1206) and gas outputs (1208), said gas outputs (1208) arranged in a plurality of locations in the target volume (2); at least one temperature measurement device capable of determining a temperature of at least one of the locations; a sound wave generator (1210) for modifying gas output to the target volume by one or more sound waves (1212) fed into the sound inputs (1204); a controller connected at least to the temperature measurement device and the sound wave generator (1210) to cause generating one or more sound waves on the basis of the temperature obtained by the temperature measurement device such that the temperature at the location of temperature measurement is caused to decrease or increase towards a target temperature defined for the location.

Description

technical field [0001] The invention relates to adjusting the temperature at a location within a target volume. Background technique [0002] US5363670 discloses a self-contained cooler / freezer device for carrying items in a frozen or refrigerated environment. The device includes an isolation container divided into two parts. The first section is used to store items while the second section houses a pressurized coolant compartment for storing dry ice. The pressurized coolant compartment includes removable insulation panels. Essentially, the pressurized coolant compartment is a controllable heat sink. Within a short period of time, the dry ice begins to sublimate, thereby forming cold gaseous carbon dioxide at high pressure. Cool gaseous carbon dioxide is circulated throughout the isolation vessel via a solenoid-actuated gas supply valve, thereby further cooling the first portion of the isolation vessel. A thermostatic controller activates the gas supply valve based on a...

Claims

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Application Information

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IPC IPC(8): F25D3/12F25D29/00F24V30/00
CPCF25D3/12F25D29/001F25D2700/12G05D23/1928G05D7/0629G05D23/1927B65D81/18F25D11/006F25D17/047G05D7/06G05D23/1919
Inventor 阿托·皮钦基麦卡·奥扬佩雷
Owner VAKAVA TECH LTD OY
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