A distributed measurement and control node circuit packaging box
A technology of measurement and control nodes and circuit packaging, which is applied in the direction of casings/cabinets/drawer components, etc., can solve the problems of high hole position accuracy, complicated installation, and the inability to meet the needs of the development of distributed measurement and control technology.
Active Publication Date: 2017-11-21
TSINGHUA UNIV
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Problems solved by technology
[0003] At present, all kinds of circuit installation boxes on the market are not specially designed for the packaging of distributed measurement and control node circuits. They are large or small, have different shapes, and are complicated to install, which cannot meet the needs of the development of modern distributed measurement and control technology.
However, the screw hole fixing method of the conventional circuit packaging box has too high requirements on the hole position accuracy of the industrial field fixing parts, and it cannot be fine-tuned according to the actual wiring requirements of the I / O port of the distributed measurement and control node circuit, especially when installed in a narrow space. more difficult
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[0021] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. 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.
[0022] The invention proposes a circuit packaging box for distributed measurement and control nodes, fully considers its installation and fixation in industrial sites, and has a wide range of applications. The invention can be used not only for the packaging of distributed measurement and control node circuits, but also for the packaging of various sensors, actuator circuits, and common measurement and control circuits in various industrial sites. Dust protection and safety insulation protection.
[0023] Such as figure 1 As sh...
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The present invention proposes a distributed measurement and control node circuit packaging box, comprising: a main box body, the upper and lower inner surfaces of the front end of the main box body are provided with a symmetrical first slot structure, the upper and lower sides of the rear end of the main box body The inner surface is provided with a symmetrical second slot structure, wherein the distributed measurement and control node circuit is packaged in the main box; the first end plate, the inner surface of the first end plate is provided with the first slot. The structure is adapted to the first buckle structure, so as to be detachably connected with the main box body; the second end plate, the inner surface of the second end plate is provided with a groove that is adapted to the second slot structure The second buckle structure is used for detachable connection with the main box body. The invention provides the possibility for high-density distributed measurement and control node circuit packaging, not only can meet the packaging needs of most distributed measurement and control node circuits, but also is particularly suitable for the installation requirements of distributed measurement and control node circuits in narrow industrial control sites.
Description
technical field [0001] The invention relates to the technical field of electronic circuits, in particular to a distributed measurement and control node circuit packaging box. Background technique [0002] Instrument modularization and module informatization are the development trend of modern instrument system design, and distributed measurement and control technology can just provide technical support for the realization of this idea. Distributed measurement and control is a system-level design technology for complex measurement and control objects. A distributed measurement and control system is usually composed of a number of measurement and control nodes with relatively independent functions and relatively dispersed spatial locations and physical links connecting these nodes. Each measurement and control node can form a measurement and control subsystem with relatively independent functions. Form a local measurement and control network. [0003] At present, all kinds o...
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IPC IPC(8): H05K5/02
Inventor 陈非凡蒋珊珊董慧龙
Owner TSINGHUA UNIV