Stepless zooming microscopic inspection device for full-automatic arena analyzer

Abstract

The invention discloses a stepless zooming microscopic inspection device for a full-automatic arena analyzer. The stepless zooming microscopic inspection device comprises a microscopic light-gathering system, a counting pond, a zooming objective lens barrel, a microscopic objective lens and a video camera, wherein the microscopic objective lens and the video camera are arranged on the zooming objective lens barrel; a zooming stepping motor is fixedly arranged on the zooming objective lens barrel; a transmission gear is arranged on an output shaft of the zooming stepping motor, and is meshed with a zooming gear which is sleeved on the zooming objective lens barrel; and a spacing ring is fixed on the zooming gear, and is matched with an optical coupler which is fixed on the zooming objective lens barrel through a supporting seat. Compared with the prior art, the invention has the advantages that: the stepless zooming microscopic inspection device has a simple structure and low cost; continuous stepless adjustment of optical magnification times between 20 and 100 can be realized only by using one microscopic objective lens with a fixed magnification time without replacing any lens; the microscopic inspection device can be connected with a CCD (Charge Coupled Device) video camera for quickly and continuously shooting samples in a certain area in the counting pond to provide continuous and clear images; and moreover, sampling imaging is clear in the continuous zooming process, and refocusing is not required.

Description

technical field [0001] The invention relates to a fully automatic urine sediment analyzer, in particular to a stepless variable magnification microscopic detection device of the fully automatic urine sediment analyzer. Background technique [0002] At present, many hospitals in China still manually complete the microscopic examination of urine sediment. During manual microscopic examination, it is necessary to collect samples first, and then switch the lens for observation according to the actual situation of the sample. Each time the lens is switched, the focus and light source brightness need to be readjusted. It is cumbersome and slow, and it is also likely to mix up the patient's urine sample. [0003] Most of the existing urine sediment analyzers also use a microscopic detection device with switching lenses, which need to be equipped with multiple objective lenses, and their magnifications are fixed and cannot be adjusted. Contents of the invention [0004] The techn...

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Problems solved by technology

[0002] At present, many hospitals in China still manually complete the microscopic examination of urine sediment. During manual microscopic examination, samples need to be collected first, and then the lens is switched for observation according to the actual situation of the sample. Each time the lens is switched, the focus and light source brightness need to be re-adjusted. Cumbersome and slow, with a high risk of confusing patients' urine samples

[0003] Most of the existing urine sediment analyzers also use a microscopic detection device with switching lenses, which need to be equipped with multiple objective lenses, and their magnifications are fixed and cannot be adjusted.

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