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An integrated structure of power relay and printed board and its installation method

A technology of power relays and printed boards, which is applied in the manufacture of printed circuits, printed circuits assembled with electrical components, printed circuits connected with non-printed electrical components, etc., can solve the development trend that does not meet the high power density of spacecraft power supplies , Increase the volume and weight of the structural parts of the power supply controller, etc., to achieve the effects of reducing weight, good mechanics and temperature adaptability, and meeting environmental requirements

Active Publication Date: 2018-08-10
SHANGHAI INST OF SPACE POWER SOURCES
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AI Technical Summary

Problems solved by technology

As a result, the volume and weight of the entire power controller structure are increased, which does not conform to the current development trend of high power density of spacecraft power supplies

Method used

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  • An integrated structure of power relay and printed board and its installation method

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Embodiment Construction

[0018] The present invention will be further elaborated below in conjunction with the accompanying drawings and embodiments.

[0019] figure 1 Shown is a schematic diagram of an integrated structure of a power relay and a printed board provided by the present invention. The integrated structure of a power relay and a printed board includes: a power controller main structure 5, a power relay 1, a printed board 6. Fastening component 2, insulating gasket 4, U-shaped solder piece 3.

[0020] Among them, the main structure 5 of the power controller is made of magnesium alloy material, which plays the role of overall support and heat dissipation for the power relay 1; the insulating gasket 4 is made of non-metallic material epoxy glass cloth laminated board, and connects the power relay 1 shell with the power control The main structure 5 of the power controller is isolated; the shell of the power relay 1 is connected to the main structure 5 of the power controller through the U-sh...

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Abstract

The invention relates to a power relay and printed board integrated structure and a mounting method thereof. The integrated structure provided by the invention comprises a power supply controller main structure, a power relay, a printed board, a fastening component, an insulation gasket and a U-shaped welding piece, wherein the power relay is connected to the power supply controller main structure through the fastening component, and a pin of the power relay is welded on the printed board; the insulation gasket isolates a housing of the power relay from the power supply controller main structure; a housing of the power relay passes through the U-shaped welding piece and is connected with the power supply controller main structure in a high-resistance grounding way.

Description

technical field [0001] The invention relates to the technical field of aerospace power supply control, in particular to an integrated structure of a power relay and a printed board and an installation method thereof. Background technique [0002] Improving power density is the development trend of spacecraft power systems, especially in the design of power controllers for lunar probes. Compared with previous spacecraft, lunar probes put forward higher requirements on the volume, weight, heat consumption, and mechanical properties of the power controller. Therefore, the relationship between structure and electrical performance should be fully considered in the design process of the power controller of the lunar probe. Among them, the power relay is not only large in size and heavy in weight, but also needs to fully consider its anti-mechanical design and heat generation, which will inevitably have a certain impact on the overall layout and weight control of the power control...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K1/18H05K3/34
CPCH05K1/181H05K3/301H05K2201/10053
Inventor 张婷婷周健侯建文史源郑磊刘勇
Owner SHANGHAI INST OF SPACE POWER SOURCES
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