Photoelectricity voltage setter
A technology of photoelectric voltage and given device, which is used in instruments, optical devices, measuring devices, etc., to achieve the effect of good linearity, no noise, and low discreteness requirements.
Inactive Publication Date: 2008-08-27
湘潭新昕通用电气有限公司
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Problems solved by technology
The disadvantage of the analog photoelectric setter is that it must be used in a fully sealed environment
Method used
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[0015] Referring to the accompanying drawings, a photoelectric voltage setter includes a light source receiving circuit board 2 arranged on the left side of the bottom of the inner cavity of the housing 1, a light source circuit board 3 arranged on the right side of the inner cavity of the housing 1 and fixed on the housing. The microswitch 4 of the right arm of the inner chamber of the body 1 and the linkage control device connected with them. The linkage control device includes a main shaft 51 that is placed on the left and right side chamber walls of the housing 1, a light shield 52 fixed on the main shaft 51 in the inner chamber of the housing 1 in turn, a return spring 53, a positioning coupling sleeve 5 and fixed on the housing 1. A cammed arm or pedal 55 on a spindle 51 outside the wall of the housing 1 . The positioning coupling sleeve 5 is fixed on the main shaft 51 with bolts. The main shaft 51 is limited on the left and right chamber walls of the housing 1 to preve...
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The invention relates a photoelectric voltage setter comprising a light source receiving circuit board arranged in the left side of the bottom of a casing cavity, a light source circuit board arranged in the right bottom of the casing innercavity, a micro-switch fixed on a right side arm in the casing innercavity, and a linkage control device connected with the light source receiving circuit board, the light source circuit board and the micro-switch. Through the technical proposal of setting the light source receiving circuit board, the light source circuit board and the micro-switch in the casing innercavity, the photoelectric voltage setter overcomes the defects of higher requirements on a light source and a light receiving element, high difficulty in production and debugging, correct debugging only in a completely dark environment, and operation only in a wholly sealed environment. The photoelectric voltage setter has a simple and compact structure, good linearity, and reliable use without wave noise; the photoelectric voltage setter is convenient to operate, easy to manufacture and maintain with a long service life; the photoelectric voltage setter has a high percent of one-shot pass and lower requirements on the parameters of elements without operational requirements on special environments. The photoelectric voltage setter is widely applicable to various electronic speed adjusting devices such as chopping speed regulation and frequency conversion speed regulation for various electric vehicles.
Description
technical field [0001] The invention relates to a photoelectric voltage setter, in particular to a photoelectric voltage setter which realizes output voltage by controlling the photosensitive angle through a linkage control device. Background technique [0002] The existing given devices are classified according to the structure type, including potentiometer type, magnetic induction type, analog photoelectric type and so on. The potentiometer-type setter has good linearity, but it is a contact type, which has noise when used, short service life, and is easy to damage. The linearity of the magnetic induction type setter is very poor, and the manufacturing discreteness is large. The analog photoelectric setter is a non-contact type, which has the advantages of good linearity, no noise, long service life, etc., but because it determines the output voltage according to changing the intensity of light, so the light source and light receiving element The requirements are particu...
Claims
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Inventor 陈友林
Owner 湘潭新昕通用电气有限公司