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Double-load power sensor

A power sensor, dual-load technology, applied in the direction of electric power measurement by thermal method, can solve the problem of limited power benchmark establishment, and achieve the effect of small standing wave ratio, good wave absorption performance, and good environmental adaptability

Active Publication Date: 2016-07-20
NAT INST OF METROLOGY CHINA
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

In the frequency band higher than 110GHz, the current thermoelectric conversion power sensor technology is still blank in the world, which limits the establishment of power reference

Method used

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Embodiment Construction

[0020] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0021] The dual load power sensor according to the embodiment of the present invention will be further described in detail below with reference to the drawings and embodiments.

[0022] refer to Figure 1 to Figure 6 As shown, the dual-load power sensor 100 according to the embodiment of the present invention includes two waveguide arms (namely, the first waveguide arm 1A and the second waveguide arm 1B), two absorbers (ie, the first absorber 2A and second absorber 2B) and waveguide flange 3. Wherein, the structure of the first waveguide arm 1A is the same as that of the second waveguide arm 1B, and the structure of the first wave absorber 2A is the same as tha...

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PUM

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Abstract

The invention discloses a double-load power sensor, which comprises a waveguide flange, two waveguide support arms and two wave absorbers, wherein two installation holes are formed in the waveguide flange, and one installation hole passes through the center of the waveguide flange; one end of each waveguide support arm is inserted in the corresponding installation hole, and the end surface of the other end of each waveguide support arm forms an inclined surface which inclines and extends relative to the axial direction of the waveguide flange; the two wave absorbers are arranged on the two inclined surfaces in one-to-one correspondence, one waveguide support arm (passing through the center of the waveguide flange) and the corresponding wave absorber form a working end, the other waveguide support arm and the corresponding wave absorber form a reference end, each wave absorber comprises a wave absorption layer, a first insulating layer, a circuit layer, a second insulating layer and a shielding layer which are arranged in a laminated manner, the wave absorption layers are in contact with the inclined surfaces, and each circuit layer is provided with a thermistor. The double-load power sensor provided by the embodiment of the invention has the advantages of good broadband matching property, good wave absorbing performance, small standing-wave ratio and good environmental adaptability.

Description

technical field [0001] The present invention relates to the technical fields of microwave, millimeter wave and terahertz power reference and power measurement, in particular to a frequency band that can be applied to frequencies higher than 75 Hz, for example, 110 GHz to 170 GHz, 90 GHz to 140 GHz, 140 GHz to 220 GHz, 220 GHz to 325 GHz, 325 GHz to Dual load power sensors for microcalorimeters in the frequency bands of 500GHz, 500GHz~750GHz, 750GHz~1100GHz, 75GHz~110GHz, 110GHz~170GHz and 170GHz~260GHz. Background technique [0002] In the past two decades, millimeter-wave and terahertz science and technology have flourished globally, and important research results have been achieved, and their applications have expanded to spectrum, imaging, communication, radar, astronomy, meteorology, national defense, aerospace and other fields. At the same time, a large number of millimeter-wave and terahertz test devices, instruments, and instrumentation equipment have emerged at home ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R21/02
CPCG01R21/02
Inventor 崔孝海李劲劲马超钟青袁文泽王雪深李勇
Owner NAT INST OF METROLOGY CHINA
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