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Singlechip-control all-digital combination instrument

A single-chip microcomputer control and combined instrument technology, applied in the direction of instruments, instrument parts, shells, etc., can solve the problems of difficult processing, high cost, and long development cycle, and achieve a tight overall structure, control production costs, and simple structure Effect

Inactive Publication Date: 2012-03-21
上海星联智创智能科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design has complex structure, poor reliability, difficult processing, high cost and long development cycle

Method used

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  • Singlechip-control all-digital combination instrument
  • Singlechip-control all-digital combination instrument
  • Singlechip-control all-digital combination instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Please refer to Figure 1 to Figure 3 As shown, a single-chip microcomputer-controlled all-digital combination instrument includes a housing 1 provided with a housing cavity, a circuit board 3 held in the housing cavity of the housing 1, and a circuit board 3 located on the circuit board 3 and accommodated in the housing cavity 1 The backing plate 2, the inner wall of the housing cavity of the housing 1 is protrudingly provided with a number of corners 11, the lower surface of the backing plate 2 is extended with a number of corners 21 of the backing plate, preferably three corners 21 of the backing plate, the shell The corner 11 on the backing plate 1 cooperates with the backing plate corner 21 on the lower surface of the backing plate 2 to hold.

[0015] The housing 1 includes a circular bottom surface 10, a side wall 12 extending upward from the edge of the bottom surface 10, the bottom surface 10 and the side wall 12 enclose a storage cavity (not labeled), and an ex...

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PUM

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Abstract

The invention relates to a singlechip-control all-digital combination instrument which comprises a shell, a circuit board and a backing plate, wherein the shell is provided with a containing chamber, the circuit board is clamped in the containing chamber of the shell, and the backing plate is positioned on the circuit board and contained in the containing chamber of the shell; the inner and outeredges of the containing chamber of the shell are provided with fastening corners; the lower surface of the backing plate is extended and provided with backing plate fastening corners; and the fastening corners on the shell and the backing plate fastening corners on the lower surface of the backing plate are cooperatively clamped to fix the circuit board. The invention has the advantages of simplestructure and convenient installation, and effectively controls the production cost.

Description

technical field [0001] The invention relates to the field of instrument and meter manufacturing, in particular to the improvement of a single-chip microcomputer-controlled all-digital combined instrument. Background technique [0002] As the source of the information industry, instrumentation is based on computer and microprocessor technology as the core technology, and computer, network, system, communication, image display, and automatic control theory as the common key technology foundation. The application of these information technologies to instruments and meters has promoted the upgrading of instrument and meter products to intelligent instruments and meters, and developed into a large series of product groups in the field of information industry. Instrumentation products are rapidly moving towards intelligence, miniaturization, networking and virtualization. [0003] As disclosed in Chinese Patent No. 200320127754.0, an improvement of a combination instrument is dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G12B9/02
Inventor 黄兆平陈仙赵兴慧
Owner 上海星联智创智能科技股份有限公司