KR910000812B1 - Apparatus for detecting and controlling cleaners of washing solution in a continuous colth washing tank - Google Patents

Abstract

No content.

Description

Cleanliness detection and control device for cleaning liquid in continuous cloth cleaning liquid tank

1 is an explanatory diagram showing a fabric cleaning tank including an example of an optical contamination detection sensor of a cleaning liquid according to the present invention;

2 is a cross-sectional view showing the configuration of the contamination detection sensor.

3 is a cross-sectional view of another contamination detection sensor of the present invention applying the fabric cleaning tank of FIG.

FIG. 4 is an explanatory diagram showing a mechanism for controlling the amount of light received in the light receiver in the detection sensor of FIG.

5 is an explanatory diagram showing an example of a cloth cleaning liquid tank provided with another contamination detection sensor of the present invention.

6 is a cross-sectional view showing the configuration of the contamination detection sensor of FIG.

7 is a characteristic diagram showing the relationship between the turbidity index and the contamination degree of the cleaning liquid.

* Explanation of symbols for main parts of the drawings

1: Jangcheok cloth 2: washing liquid tank

3: guide roller 4: overflow drain

5: drain hole 6: drain bottle

7: solenoid valve 8: valve

9: contamination detection sensor 10: cylinder

11 light emitter 12 light receiver

13: perforation 14: 0 ring

15: projection head 16: light source

17: light emitting lens 18: driver

19: cold air supply port 20: exhaust port

21 condenser lens 22 floodlight

23: photo conversion device 24: control circuit

25: sealing material 26: shading plate

27: drive motor 28: drive gear

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleanness detection and control device for cleaning liquid in a continuous cloth cleaning solution tank. The present invention relates to a cleaning solution for cleaning a cleaning solution tank for continuous cleaning of a cloth. The cleaning effect of the cloth by the cleaning solution in the tank is to be improved.

After the long-length fabric produced industrially is subjected to a treatment such as pretreatment, dyeing treatment or the like, it is necessary to wash the fabric after these treatments. Therefore, conventionally, various cleaning apparatuses for effectively cleaning these long cloths have been developed. The cleaning apparatus of such a conventional apparatus is roughly classified into an immersion type in which a cloth is continuously passed through a washing liquid tank in which the cleaning liquid is full, and in the form of a water flow injecting the cleaning liquid toward the fabric conveyed continuously. In the former immersion type washing apparatus, there is an unreasonable problem that the washing time of the fabric has elapsed, the washing liquid in the liquid tank is contaminated, and the washing effect is lowered to the vehicle. In addition, in the latter type of water flow, fresh water must always be sprayed toward the fabric, so a large amount of fresh water is consumed, and there is a problem in terms of water resources.

In view of such a problem, the inventors of the present invention always detect the degree of contamination of the cleaning liquid in the cleaning liquid tank in which the fabric to be cleaned is immersed in the cleaning liquid by an optical sensor, as proposed in Japanese Patent Application No. 58-218893. When the pollution level is higher than a predetermined set value, fresh water is added to the cleaning liquid to improve the cleaning effect of the fabric and at the same time, a continuous cleaning apparatus for fabrics has been developed to achieve saving of water resources. The contamination level detection sensor in the continuous cleaning apparatus detects the contamination level of the cleaning liquid in the cleaning liquid tank by the light emission amount of the optical sensor composed of a pair of light emitters and light receivers fixed to narrow the cleaning liquid flow path. Since the distance between the light emitter and the light receiver is constant, the cleaning passing between the light emitter and the light receiver When the degree of contamination of the liquid is outside the detectable range, for example, when the degree of contamination is above the above range, there is a problem that the degree of contamination cannot be detected.

SUMMARY OF THE INVENTION The present invention has been made in view of these conventional problems, and an object thereof is to provide an apparatus for detecting and controlling the cleanliness of a cleaning liquid in an extended detection range of contamination in fabric continuous processing. therefore. Even if the pollution degree is high or low, it is possible to accurately detect a wide range of contamination levels, so that the continuous washing of the long cloth can be effectively and excellently performed.

According to the present invention, the cleaning liquid contamination level in the cleaning liquid tank containing the cleaning liquid to wash the fabric is detected by the sensor by the light emitter and the light receiver, and the fresh water is further supplied into the cleaning liquid tank by the contamination detection output from the sensor. In the optical contamination detection sensor of a cleaning liquid which automatically adjusts the cleaning liquid to a desired clear liquid, the sensor includes a pair of light emitters and a light receiver which are installed to be moved in contact with or separated from each other, and a light receiving amount of the light receiver is reduced. If it is detected, it consists of a driver for gradually approaching the light emitter to the light receiver, characterized in that it automatically increases the cleanliness of the cleaning liquid in the sensor to expand the possible contamination detection range in the cleaning liquid.

In a modification of the present invention optical cleaning sensor of a cleaning liquid, a pair of light emitters and light receivers, a pair of light shielding plates for adjusting the rectangular light emitting window opening area installed in the light receiver, and the amount of light received by the light receivers is reduced. When it is detected, it consists of a driver that rotates one of the light blocking plates in stages, and in order to enlarge the possible detection range of contamination in the cleaning liquid, the opening area of the light path is enlarged to automatically increase the light receiving amount in the light receiver. .

In another modification of the sensor of the present invention, the action and effect are the same as the previous sensor, and are characterized by consisting of a plurality of pairs of light emitters and light receivers having different light receiving characteristics, for example.

Therefore, according to the sensor of the present invention, it is possible to accurately and automatically detect the pollution concentration of a wide range of washing water from low pollution concentration to high pollution concentration in the continuous cleaning of long cloth. There is an excellent effect to automatically control the effective fresh water supply by consumption.

Embodiments of the present invention will be described in detail with reference to the drawings showing examples of the present invention as follows. Of course, the present invention is not limited only to these examples.

Example 1

1 is an example of a continuous cleaning apparatus for fabric according to the present invention. (1) is a long cloth to be cleaned, (2) is a cleaning liquid tank through which the fabric (1) is continuously passed, and in this washing water tank (2), a guide for guiding the fabric (1) in a meandering shape. The roll 3 is arrange | positioned. In addition, the washing liquid tank 2 is provided with an overflow drain port 4 and a drain port 5 disposed below the overflow drain port 4, and the drain port 5 is provided with a drain container 6. ) Is connected in a standing state. (7) is a solenoid valve for supplying fresh water into the washing water tank (2), (8) is a valve for waste water for washing water overflowed from the overflow drain (4), (9) The optical contamination degree detection sensor of this invention of the cleaning liquid provided in the middle of (6) is an example.

The configuration of the contamination detection sensor 9 is as shown in FIG. In the drawing, reference numeral 10 denotes a cylinder connected to the middle of the sump 6, and a pair of light emitters 11 and a light receiver 12 are provided at a radially symmetrical position of the cylinder 10. . The light emitter 11 has a projection head 15 which is connected in a radially protruding radial direction to the side surface of the cylinder 10 in a watertight manner through a zero ring 14. A light source 16 is provided inside the light projection head 15, and a light emitting lens 17 is attached to a tip portion of the inner side of the cylinder 15. In addition, the projection head 15 is positioned by the driving force of the driver 18 such as a servo motor or a pulse motor, and the positions of the light emitting lenses 17 (17 ') and (17 ") in broken lines. The head 15 is provided with a cold air supply port 19 and an exhaust port 20 for preventing heating by the light source 16, and inside the light emitter 11. In the light receiver 12, reference numeral 21 denotes a condensing lens provided to face the light emitting lens 17 in the light emitter 11, and a light blocking plate is provided on the rear surface of the light collecting lens 21. The photoelectric conversion element 23 provided adjacent to the light transmission window 22 provided in 26 is provided. (24) (FIG. 1) is based on the light reception amount of the photoelectric conversion element 23 mentioned above. A control circuit for operating the driver 18 and the solenoid valve 7 (FIG. 1), and 25 denotes a sealing material for the lead portion of the lead wire in the light conversion element 23. The deadline.

Although the above is the constitution of the contamination detection sensor 9 of the cleaning liquid of this embodiment, the operation thereof will be described next. In general, the light emitting lens 17 of the sensor 9 is located at the position shown by the solid line in FIG. As a result, the light emitter 11 and the light receiver 12 are relatively separated from each other. Therefore, the fabric 1 is continuously transported while being immersed in the cleaning liquid tank 2, and the fabric 1 is washed. As the cleaning of the fabric proceeds, the cleaning liquid in the cleaning liquid tank 2 is removed from the vehicle. On the other hand, the contaminated cleaning liquid is brought into the sump 6. At this time, since the light source 16 of the light emitter 11 is turned on and is projected by the light receiver 12, when the contamination degree of the washing water in the drain container 6, that is, the turbidity of the washing water is large, the light receiver 12 ), The amount of received light is reduced. When the light receiving amount received by the light receiver 12 is reduced by the control circuit 24, the solenoid valve 7 is opened by this detection signal, and the fresh water is automatically supplied into the cleaning liquid tank 2. will be.

However, when the light emitter 11 and the light receiver 12 are separated as described above, for example, as shown by the curve " a " in FIG. 7, the contamination index becomes about 0.02% or more. Becomes 100 or more (receiving amount 0), and the contamination degree beyond that cannot be detected. Therefore, in the present embodiment, the turbidity index is detected to reach 100, and the driver 18 is operated as an output from the control circuit 24 to show the light emitting lens 17 of the light emitter 11 in a double-dotted line. Approach receiver 12 at position 17 'as shown. As a result, the light receiving amount by the light receiver 12 increases, and as a result, the contamination degree up to about 0.04% can be detected as shown by the curve "b" in FIG. Similarly, when the turbidity index reaches 100 at the position 17 'of the light emitting lens, the driver 18 is operated again so that the light emitting lens of the light emitter 11 approaches the position of 17 " As shown by the curve “c”, up to about 0.065% contamination is detected.

Alternatively, instead of changing the distance between the light emitter 11 and the light receiver 12, it is possible to change the brightness of the light source 16.

In addition, when the turbidity ratio of the cleaning liquid increases, the light receiver moves toward the light emitter (or vice versa) to accommodate a constant amount of light, and the turbidity ratio is determined based on the amount of movement of the light receiver.

In this method, by using the detection sensor 9 of such a structure, it is possible to detect the contamination degree of the washing | cleaning liquid accurately in a wide range. Therefore, the amount of fresh water added to the washing liquid tank is automatically controlled, and continuous and clean cloths are efficiently and economically performed while saving water resources.

Example 2

The continuous cleaning apparatus of the fabric for use of this embodiment is the same as that of FIG. 1, the optical contamination detection sensor is slightly modified from the embodiment shown in FIG. 2, and the sensor 9 of this embodiment is It is shown in 3 degrees. The light emitter 11 is the same as that of FIG. 2 except that the light emitting head 15 is tightly fixed in the through hole 13 without the application of the 0 ring. The configuration of the light receiver 12 in this embodiment is as follows. 21 is a condensing lens provided to face the light emitting lens 17 of the light emitter 11 as in the first embodiment, and the light condensing lens is provided with a light shielding plate 26 provided with a rectangular light-transmitting window 22. On the rear of this light shielding plate 26, another light shielding plate 26 'provided with a rectangular light-transmitting window 22' is rotatably polymerized. Moreover, the light conversion element 23 which receives the light which passed the light-duration windows 22 and 22 'is provided in the back surface of this light shielding plate 26'. Reference numeral 27 denotes a drive motor for rotating the light shielding plate 26 ', reference numeral 28 denotes a drive gear, and reference numeral 24 (FIG. 1) denotes the drive based on the light reception amount of the light conversion element 23. It is a control circuit for operating the motor 27 and the solenoid valve 7 (FIG. 1), and 25 shows the sealing material of the lead-out part of the lead wire in the light conversion element 23. As shown in FIG.

Although the above is a structure of a present Example, when the action | action is described next, normally, both the rectangular light-transmission windows 22 and 22 'provided in the two light shielding plates 26 and 26' are respectively 4th. As shown in the figure, they are located in a cross shape with each other and are narrowed so that the amount of light emitted by the two light transmission windows 22 and 22 'is minimized. Accordingly, the turbidity ratio of the cleaning liquid in not only the cleaning liquid tank 2 but also the drainage container 6 in the cleaning of the fabric 1 is continuously transferred while the fabric 1 is immersed in the cleaning liquid tank 2. This is detected by the control circuit 24 (FIG. 1), and by the detection signal therein, the solenoid valve 7 (the first to supply fresh water to the cleaning liquid tank 2 as in the first embodiment) is provided. 1 degree). However, as described above, the two rectangular transparent windows 22 and 22 'cross each other and are narrowed so as to reduce the amount of transmitted light from the light emitter 11, for example, to the curve " a " As shown in the figure, when the pollution concentration is about 0.02% or more, the turbidity index becomes 100 or more (light receiving amount 0), and further contamination levels cannot be detected. Therefore, in this embodiment, the turbidity index is detected to reach 100, and the drive motor 27 is operated by the output from the control circuit 24 to turn the light shield plate 26 'of the light receiver 12 to about 45 degrees. Rotate. As a result, the amount of light received by the light receiver 12 is increased by about 2 times. As a result, as shown by the curve " b " in FIG. 7, the degree of contamination up to about 0.04% can be detected. Similarly, when the turbidity index reaches 100 in the state where the light emitting window 22 'crosses the light emitting window 22 by 45 degrees, the driving motor 27 is operated again, so that the light blocking plate 26 of the light receiver 12 is Further, the two light transmitting windows 22 and 22 'coincide with each other to increase the light receiving amount by approximately three times the initial light receiving amount, so that up to about 0.065% as shown by the curve " c " Pollution degree is detected. Thus, the effect of the sensor in this embodiment is the same as in the first embodiment.

Example 3

The main body of the cloth continuous cleaning apparatus in this embodiment is the same as that of FIG. 1, but the pollution degree detector 9 has a plurality of members (9-a) as shown in FIG. ), (9-b) and (9-c), the detailed structure of which is shown in FIG. Each sensor is composed of a pair of light emitters 11 and a light receiver 12 as in the first and second embodiments. Each of the light emitters is the same as that of FIG. 2, and each of the light receivers is the same as that of the first embodiment. However, the opening area of the light transmitting window 22 provided in the light shielding plate 26 is the lowest in the sensor 9-a provided at the lowest position, and then in the order of (9-b) and (9-c). Increasingly, the light sensitivity is continuously increased. The control circuit 24 selectively selects each sensor 9 as well as the solenoid valve 7 based on the amount of light received by the light conversion element 23 by the signal from the light conversion element 23. It is installed to work as Other representations in the drawing portions are the same as in FIG. 2 and FIG.

In the operation of the contamination detection sensor of this embodiment, first, the sensor 9-a provided with the light transmitting window 22 having the smallest opening area is washed water detected by the light conversion element 23 in the same manner as in the above-described embodiment. The corresponding light source 16 is used to continuously clean the fabric in the cleaning liquid tank 2 by supplying fresh water to the cleaning liquid tank 2 via the solenoid valve 7 according to the signal from the control circuit 24 according to the degree of contamination. ), And when the turbidity index of the cleaning liquid reaches 100 by this sensor (9-a), at this time, the light source of the sensor (9-b) is turned on, and the sensor is a signal from the control circuit (24). If necessary, the sensor 9-e operates more continuously as in the first and second embodiments. Therefore, the effect of the sensor of this embodiment is also the same as the above-described embodiments.

Claims (3)

The contamination level of the cleaning liquid in the cleaning liquid tank containing the cleaning liquid to clean the cloth is detected by the sensor by the light emitter and the light receiver, and the fresh water is further supplied into the cleaning liquid tank by the contamination detection output from the sensor. In the optical contamination detection sensor of the cleaning liquid that automatically adjusts to the clear liquid, the sensor is a pair of light emitters and light receivers installed so as to be in contact with or separated from each other, the drive to move one or both of the light emitters and light receivers Means and a control circuit for controlling the driving of the driving means based on the amount of light received by the light receiver. The degree of contamination of the cleaning liquid in the cleaning liquid tank containing the cleaning liquid for cleaning the fabric is detected by the sensor by the light emitter and the light receiver, and the fresh water is further supplied into the cleaning liquid tank by the contamination detection output from the sensor to supply the cleaning liquid in the cleaning liquid tank. An optical contamination detection sensor of a cleaning liquid that automatically adjusts to a clear liquid, wherein the sensor includes a pair of light emitters and a light receiver, a pair of light shielding plates for adjusting a rectangular floodlight opening area installed in the light receiver, and a light receiving amount of the light receiver. The cleanliness detection and control apparatus of the cleaning liquid in a continuous cloth cleaning liquid tank characterized by comprising a driver for rotating one of the light blocking plates in stages when this reduction is detected. The cleaning liquid contamination level of the cleaning liquid tank containing the cleaning liquid to wash the cloth is detected by the sensor by the light emitter and the light receiver, and the fresh water is further supplied into the cleaning liquid tank by the contamination detection output from the sensor. In the optical contamination detection sensor of the cleaning liquid which is automatically adjusted by the sensor, the sensor comprises a plurality of pairs of light emitters and light receivers having different light emission or light reception characteristics, and a pair of light emitters and light receivers based on the amount of light received by one of the light receivers. An apparatus for detecting and controlling the cleanliness of a cleaning liquid in a continuous cloth cleaning liquid tank, characterized in that it comprises an operating means for selectively operating.

Images