Thermoelectric refrigerating/heating system

A thermoelectric cooling and heating system technology, applied in air conditioning, cooling/heating fields, can solve the problems of increasing cost and complexity, adding power electronic drive circuits, etc.

Active Publication Date: 2013-12-18
BEIJING HONGYAN RONGCHANG ENERGY SAVING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But doing so requires the addition of a large amount of power electronic drive circuitry (including DC-DC converters), which increases the cost and complexity significantly

Method used

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  • Thermoelectric refrigerating/heating system
  • Thermoelectric refrigerating/heating system
  • Thermoelectric refrigerating/heating system

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] figure 1 It is a schematic diagram of the working principle of a thermoelectric cooling / heating system according to an embodiment of the present invention; the thermoelectric cooling / heating system includes: a plurality of thermoelectric modules ( figure 1 There are N*M thermoelectric modules in China, where N and M are natural numbers), a switch matrix consisting of multiple controllable switches, temperature sensors, power electronic drive circuits, a...

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Abstract

The invention discloses a thermoelectric refrigerating/heating system. The thermoelectric refrigerating/heating system is characterized in that at least a part of multiple thermoelectric modules are connected into a switch matrix, so that the access thermoelectric modules can be variably electrically connected with one another under on and off actions of various controllable switches in the switch matrix, and direct-current electricity can be provided for each thermoelectric module; on or off of each controllable switch is controlled by a central controller; temperature sensors are used for measuring surface temperatures of cooled/heated objects at the corresponding thermoelectric modules and transmitting measured temperature data to the central controller connected with the temperature sensors; the central controller performs computation according to stored target temperatures and the received surface temperature data of the cooled/heated targets to obtain on or off instructions for the various controllable switches in the switch matrix, so that the surface temperatures of the cooled/heated objects can reach the target temperatures, and power of a power source is minimized; on or off states of the various controllable switches are controlled by the central controller according to the on or off instructions for the various controllable switches in the switch matrix.

Description

technical field [0001] The invention relates to the fields of refrigeration / heating and air conditioning, in particular to a thermoelectric refrigeration / heating system. Background technique [0002] The semiconductor refrigerator / heater based on the thermoelectric effect can be cooled and heated in a short period of time by adding a DC power supply and a heat sink, and only need to change the direction of the current to achieve two purposes of cooling or heating. It does not use refrigerant, does not pollute the environment, and does not have the problem of refrigerant leakage. No mechanical rotation, no wear, reliable operation, long service life, easy maintenance, and stronger adaptability to harsh environments such as car dealerships. Maintenance is also convenient. No noise. Compact structure, small size and light weight. Therefore, the thermoelectric cooler / heater has a very broad application prospect. [0003] Taking refrigeration as an example, the cooling capac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B21/02F25B49/00
Inventor 陈旻董文革陈树泉
Owner BEIJING HONGYAN RONGCHANG ENERGY SAVING TECH
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