Thermoelectric refrigeration system for single-photon detection

A single-photon detection and thermoelectric cooling technology, applied in instruments and other directions, can solve problems such as energy waste and increase power input, and achieve the effect of improving operating power and improving heat dissipation efficiency.

Pending Publication Date: 2017-12-12
ZHEJIANG QUANTUM TECH CO LTD
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Problems solved by technology

[0003] The purpose of the present invention is to provide a thermoelectric cooling system for single photon detection, to solve the problem that the thermoelectric cooling sheet used for detector cooling in the

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  • Thermoelectric refrigeration system for single-photon detection

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[0013] Hereinafter, the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.

[0014] Such as figure 1 As shown, a thermoelectric refrigeration system for single photon detection includes a first thermoelectric refrigeration sheet 100 with a refrigerating surface attached to a single photon detector, and a heating surface 110 of the first thermoelectric refrigeration sheet 100 is attached to a thermally conductive metal plate 200. The thermally conductive metal plate 200 is divided into a heat dissipation section 210 and a power generation section 220. The heat dissipation section 210 is attached to the heating surface 110 of the first thermoelectric cooling fin 100, and the power generation section 220 is attached to the second thermoelectric cooling fin 300. The positive and negative ends of the second thermoelectric cooling fin 300 are connected to a voltage stabilizer 400 through wi...

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Abstract

The invention discloses a thermoelectric refrigeration system for single-photon detection. The thermoelectric refrigeration system comprises a first thermoelectric refrigeration plate, wherein a refrigerating surface of the first thermoelectric refrigeration plate is close to a single-photon detector; a heating surface of the first thermoelectric refrigeration plate is attached to a heat-conducting metal plate; the heat-conducting metal plate comprises a heat dissipation section and a power generation section; the heat dissipation section is close to the heating surface of the first thermoelectric refrigeration plate; the power generation section is attached to a second thermoelectric refrigeration plate; positive and negative ends of the second thermoelectric refrigeration plate are connected with a voltage stabilizer through leads; the output end of the voltage stabilizer is connected with a heat dissipater used for heat dissipation of the heat dissipation section. Compared with the prior art, the thermoelectric refrigeration system disclosed by the invention has the advantages that one part of heat on the heating surface of one thermoelectric refrigeration plate is conducted to another thermoelectric refrigeration plate and is used for manufacturing a temperature difference so as to generate power; with the adoption of an electric energy driven fan and other heat dissipaters, the heat dissipation efficiency of the heat dissipation section is improved; a closed temperature control loop is formed, and the temperature on the heating surface of the thermoelectric refrigeration plate can be controlled to fluctuate in a certain range.

Description

technical field [0001] The invention relates to the technical field of single-photon detection refrigeration, in particular to a thermoelectric refrigeration system for single-photon detection. Background technique [0002] In quantum information technology, single photon detection is indispensable as an important component. Due to the influence of dark current and thermal noise during the detection process, it is necessary to place the single photon detector at an ambient temperature of -30° to -50° Work in order to improve the detection efficiency. At present, most single-photon detectors use thermoelectric cooling sheets to cool down. When the thermoelectric cooling sheet is fed with current, the cooling surface will create a low-temperature environment required by the detector, and at the same time, the heating surface will also generate a lot of heat. Generally, it passes directly through the heat sink The heat from the heating surface is dissipated, but the heat dissi...

Claims

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Application Information

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IPC IPC(8): G01J11/00
CPCG01J11/00
Inventor 吴剑锋曹文钊赵义博
Owner ZHEJIANG QUANTUM TECH CO LTD
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