A light intensity standard lamp for detection
A technology of standard lamps and filaments, applied in the direction of illuminants, shells/tube shells of illuminants, etc., can solve the problems of difficult to observe the filament, poor measurement accuracy, unfavorable centering of the filament, etc. Astigmatism effect, the effect of strong work stability
Active Publication Date: 2016-06-08
ZHEJIANG ZHANZI PHOTOELECTRICITY
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Problems solved by technology
Currently commonly used standard lamps, the filament and the bracket are in the same plane, and the diameter of the bracket is much larger than the diameter of the filament, and viewed from the side, the height of the bracket is greater than the height of the filament, and the diameter of the bracket is much larger than the diameter of the filament. Viewed from a plane, the filament is completely covered by the bracket, and it is difficult to observe whether the projection reflected by the filament coincides with the filament itself, which will have a negative impact on the measurement accuracy and is also unfavorable to the alignment of the filament
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Embodiment Construction
[0012] The present invention will be further described in detail with reference to the accompanying drawings and embodiments. The following embodiments are for explaining the present invention and the present invention is not limited to the following embodiments.
[0013] Such as figure 1 , figure 2 with image 3 A standard light intensity lamp for detection is shown, comprising a lamp cap 1 and a lamp housing 2. The lamp housing 2 has a spherical shape. A glass stem 3 and a filament 4 are arranged in the lamp housing 2, and the glass stem 3 leads out Two guide wires 6, the two ends of the filament 4 are respectively connected to the two guide wires 6, the glass stem 3 also leads out two hollow stents 5, the guide wires 6 are inserted inside the hollow stent 5; The hollow bracket 5 is in a vertical state as a whole. The top of the hollow bracket 5 is bent to form a horizontal section 7. The filament 4 and the guide wire 6 are connected at the front edge of the horizontal section...
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The invention relates to a light intensity standard lamp for detection, which comprises a lamp base and a lamp housing. A glass core column and a filament are arranged inside the lamp housing. The guide wire connection is characterized in that: the glass core column also leads to two hollow supports, and the guide wire is installed inside the hollow support; the hollow support is in a vertical state as a whole, and the top of the hollow support is bent to form a horizontal section. The filament and the guide wire are connected at the front edge of the horizontal section; the filament is in a square wave shape from left to right, and the filaments are all in the same plane, and the distance from the plane to the front and rear lamp housings is equal, and the left end of the filament to the left The distance from the lamp housing is equal to the distance from the right end of the filament to the lamp housing on the right. In the invention, the filament and the support are arranged in different planes, which well solves the defect that the light is blocked by the support, thereby greatly increasing the detection accuracy.
Description
Technical field [0001] The invention belongs to a lamp, and particularly relates to a light intensity standard lamp for detection. Background technique [0002] In optical radiometric measurement, the original standards for reproducing various luminosity and radiometric metrics, such as blackbody furnaces, absolute radiometers, etc., are complicated in technology and expensive, and should not be kept in working condition often, and it is not convenient to use in actual work. Therefore, it is necessary to have a corresponding standard lamp to copy the value of the reproduced position of the original standard as a secondary standard, and transfer the value it holds step by step. Luminous intensity standard lamp is a standard lamp used to reproduce and transmit the unit value of luminous intensity. Its luminous performance is stable, and the filament is in the same plane. The lamp housing has a specific shape, which can well meet the requirements of the inverse square of the dista...
Claims
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IPC IPC(8): H01K1/28H01K1/14
Inventor 詹云翔
Owner ZHEJIANG ZHANZI PHOTOELECTRICITY