Heat flow transducer for thermal surveys专利检索-热电堆变压器和转换设备专利检索查询-专利查询网

Heat flow transducer for thermal surveys

阅读：79发布：2021-11-13

专利汇可以提供Heat flow transducer for thermal surveys专利检索，专利查询，专利分析的服务。并且Heat flow transducer for use in measuring the geothermal heat flow in the earth. The transducer utilizes copper alloy flexible wire bundles at opposite ends of an elongated body to conduct heat from the strata surrounding a bore hole, into the body of the transducer, and through thermally conductive elements, into contact with a solid state thermopile. The thermopile includes a plurality of semi-conductor elements, electrically in series and thermally in parallel, to produce a usable electrical output at very low heat flows. Multiple modules of semi-conductor elements are employed. The modules are separated by a heat conductive, but electrically insulated layer between modules.，下面是Heat flow transducer for thermal surveys专利的具体信息内容。

权利要求

1. A heat flow transducer for use in thermal surveys to measure that flow in a bore hole, that enables instantaneous heat flow measurement at a single transducer position, comprising, an elongated body, means positioned at opposite ends of said body, said means for maintaining heat conducting contact with the walls of said bore hole, thermal conductor means for transmitting heat flow from said flexible means to the opposite sides of thermopile means, said thermopile means for converting heat flow into an electrical signal, whereby heat flow resulting from temperature gradients at least as small as 2 X 10 6* C. per centimeter may be utilized in conjunction with known parameters to determine either variations to total heat flow or local thermal conductivity.

2. The heat flow transducer of claim 1 wherein, said means is additionally for maintaining said body in spaced relation from the walls of said bore, each of said means comprising a plurality of flexible heat conducting fiber bundles.

3. The heat flow transducer of claim 2 wherein, said fiber bundles comprises a quantity of copper alloy wires secured together at one end of said bundle.

4. The heat flow transducer of claim 2 further comprising, head means for receiving and retaining said bundles and for conducting heat between said bundles and said thermal conductor means.

5. The heat flow transducer of claim 4 wherein, said body comprises an elongate cylindrical shell of heat insulative material, said head means being received in opposite ends of said shell.

6. The heat flow transducer of claim 1 wherein, said thermopile means comprises a plurality of semi-conductor junctions connected electrically in series and thermally in parallel.

7. The heat flow transducer of claim 6 wherein, a plurality of said semi-conductor junctions are connected together to form a module, a plurality of said modules are stacked with adjacent modules being separated by a layer of heat conductive and electrically insulating material.

8. The heat flow transducer of claim 7 wherein, said heat conductive and electrically insulating material is comprised of ceramic.

9. The heat flow transducer of claim 7 wherein, said heat conductive and electrically insulating material is comprised of polycrystaline alumina.

10. The heat flow transducer of claim 6 wherein, said semi-conductor junctions comprise N and P type bismuth/tellurium elements.

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Heat flow transducer for thermal surveys

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