JPS647840B2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention is a microorganism monitoring system that can automatically adjust the slit width and light intensity of a sample chamber in response to changes in the magnification of a television camera that observes microorganisms in wastewater. Regarding monitors.

[Prior Art] Recently, a microbial monitoring monitor has been proposed in which a waterproof box with a built-in television camera is immersed in wastewater, and the state of microorganisms in wastewater can be directly monitored using the television camera. However, conventional TV cameras have a structure in which the magnification of the lens system cannot be changed automatically, and when changing the magnification, the entire lens system must be replaced. When changing this magnification, the focal length of the lens system changes, so the slit width of the sample chamber must be changed each time.
It was necessary to adjust the light intensity.

[Summary of the invention]

This invention was made in order to solve the above-mentioned conventional drawbacks, and it is possible to change the magnification of the television camera according to the microbial flora. The purpose of the present invention is to provide a microorganism monitoring monitor that can always obtain clear images because it can automatically change the light intensity and adjust the light amount.

[Embodiments of the invention]

An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the present invention includes a waterproof box 1 immersed in sewage (for example, in an aeration tank of an activated sludge treatment facility), a television camera 2 disposed inside the waterproof box 1, and a waterproof A sample chamber 5 formed by a microcontainer 4 is provided on the liquid side of the liquid contact part 3 of the box 1.

A television camera 2 placed inside the waterproof box 1 is connected to a television monitor (not shown). The lens 2a of this television camera 2 is a microscope lens, and an electric zoom lens is used, and the magnification can be remotely controlled by a control unit 7 connected to a zoom lens control cable 6. There is.
Additionally, it is desirable that the focus be automatic. A light source 8 is also arranged inside the waterproof box 1, and is connected to a control unit 7 via a cable 9.
, and automatically adjusts the amount of light in response to changes in the magnification of the television camera 2.

The micro-container 4 is provided on the liquid side of the liquid-contacting part 3, and is detachably attached to the side wall of the waterproof box 1 with attachment screws or the like (not shown). The microcontainer 4 forms a sample chamber 5 that communicates with wastewater. The shape of this sample chamber 5 is such that its thickness a is preferably within 3 mm, and its length b is 5 mm or less, so as not to be affected by the flow rate of waste water.
Form to mm or more.

This sample chamber 5 contains air, water,
A pressure pipe 10 is connected to supply sewage or the like under pressure or to suck sewage from here, and by supplying the sewage in a timely manner, the sewage to be treated can be replaced and the inside of the liquid contact part 3 and the sample chamber 5 can be cleaned. can be carried out effectively. When suctioning wastewater, it is recommended to introduce the wastewater into an aspirator, generate negative pressure, and suction it.

Further, a reflector plate 11 is attached to the side wall of the microcontainer 4, facing the liquid contact part 3, and reflects the light from the light source 9 to remove microorganisms in the wastewater to the television camera 1.
It is now possible to play back clearly. here,
The reflector plate 11 is formed of a motorized member so as to be able to adjust the slit width of the sample chamber 5, that is, the distance to the liquid-contacting part 3, and is capable of changing the magnification of the lens by means of a control unit 7 to which a reflector control cable 12 is connected. It is designed to move.

According to the above configuration, the sewage to be monitored is not affected by the flow rate of the sewage in the sample chamber 5, so that enlarged microorganisms and the like are directly and continuously visualized on the monitor television. Furthermore, the magnification of the TV camera 2 is changed according to the microflora,
Correspondingly, the slit width and light intensity of the sample chamber 5 can be automatically adjusted, so that clear images and accurate microbial flora can be obtained at all times.

For example, the monitor is always monitored at 100x magnification, and the magnification of the TV camera is changed to 500x, 1000x, etc. as necessary. In conjunction with this, the slit width is narrowed and the amount of light is controlled to increase.

Note that when the magnification is high, the slit width is very narrow, so it is preferable to automatically move the reflector and widen the slit width when changing the cleaning sample. Furthermore, if the slit width is narrow, the sample solution will hardly be replaced as it is, so if dye is supplied here and dyeing is performed, it is possible to fix filamentous bacteria, mold, etc.

〔Effect of the invention〕

As described above, according to the present invention, it is possible to change the magnification of the television camera according to the microbial flora to be observed, and the slit width and light intensity of the sample chamber can be automatically adjusted accordingly. It has excellent effects such as accurate observation of phases and the immobilization of microorganisms.

[Brief explanation of drawings]

FIG. 1 shows a sectional view of an embodiment of the invention. DESCRIPTION OF SYMBOLS 1...Waterproof box, 2...TV camera, 3...Liquid contact part, 5...Sample chamber, 7...Control unit, 8...Light source, 11...Reflection plate.

Claims (1)

[Claims] 1. A wetted part for observing microorganisms immersed in sewage, a television camera with variable magnification for photographing microorganisms in the sewage through this wetted part, and a television camera installed on the liquid side of the wetted part, a sample chamber communicating with the sewage, a reflector plate movably provided facing the liquid side of the sample chamber in contact with the liquid, and forming a slit width between the sample chamber and the liquid in contact with the liquid; an adjustable light source that changes the amount of light to the sample chamber in response to a change in magnification, and a control unit that controls movement of the reflector and the amount of light from the light source in conjunction with an operation to change the magnification of the television camera. A microorganism monitoring monitor, characterized in that the slit width and light intensity of the sample chamber are automatically adjusted in response to a change in the magnification of the television camera.