Wastewater collection assembly and cleaning device

Abstract

Wastewater detection arrangement, characterized in that it comprises at least one light beam transmitting device (1) and at least two light beam receiving devices, wherein the at least one light beam transmitting device (1) and the at least two light beam receiving devices are arranged around a wastewater flow pipe (2); and the at least two light beam receiving devices each comprise a direct light beam receiving device (3) and a reflected light beam receiving device (4), wherein the at least one light beam transmitting device (1) is arranged opposite the direct light beam receiving device (3), and the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) are arranged on the same side of the wastewater flow pipe (2).

Description

Technical area

[0001] The present application relates to a wastewater detection arrangement and a cleaning device. State of the art

[0002] During operation, the purification device generates a certain amount of wastewater. The purification device can perform different purification controls based on the turbidity of the wastewater. Therefore, the detection accuracy of the wastewater has a significant impact on the control accuracy of the purification device. Content of the invention

[0003] In view of the above-mentioned problem in the prior art, the object of the present application is to provide at least one light beam transmitting device and at least two light beam receiving devices, each comprising a direct light beam receiving device and a reflected light beam receiving device, for detecting wastewater.

[0004] To solve the problem described above, the present application provides a wastewater detection arrangement comprising at least one light beam transmitting device and at least two light beam receiving devices, wherein the at least one light beam transmitting device and the at least two light beam receiving devices are arranged around a wastewater flow pipe; and the at least two light beam receiving devices each comprise a direct light beam receiving device and a reflected light beam receiving device, wherein the at least one light beam transmitting device is arranged opposite the direct light beam receiving device, and the at least one light beam transmitting device and the reflected light beam receiving device are arranged on the same side of the wastewater flow pipe.

[0005] Preferably, the at least one light beam transmitting device is arranged opposite the direct light beam receiving device with respect to the central axis of the wastewater flow pipe.

[0006] Preferably, the at least one light beam transmitting device and the reflected light beam receiving device are arranged on the same edge of the wastewater flow pipe.

[0007] Preferably, the wastewater flow pipe is designed as a round pipe, and the distance between the at least one light beam transmitting device and the direct light beam receiving device is less than or equal to the pipe diameter of the wastewater flow pipe.

[0008] Preferably, the connecting line on which the at least one light beam transmitting device and the reflected light beam receiving device are located runs parallel to the central axis of the wastewater flow pipe.

[0009] Preferably, one of the at least one light beam transmitting device and the reflected light beam receiving device is arranged inside the pipe of the wastewater flow pipe, and the other of the at least one light beam transmitting device and the reflected light beam receiving device is arranged outside the pipe of the wastewater flow pipe.

[0010] Preferably, the wastewater flow pipe is provided with a first fitting element, a second fitting element and a third fitting element, wherein the first fitting element is arranged opposite the second fitting element, and the first fitting element and the third fitting element are located on the same side of the wastewater flow pipe; wherein the at least one light beam transmitting device is detachably connected to the waste water flow pipe via the first installation element, the

[0011] The direct light beam receiving device is detachably connected to the wastewater flow pipe via the second installation element, and the reflected light beam receiving device is detachably connected to the wastewater flow pipe via the third installation element.

[0012] Preferably, the first installation element, the second installation element and the third installation element are each designed as a mounting groove.

[0013] Preferably, the at least one light beam transmitting device and the at least two light beam receiving devices are formed in one piece by a mounting ring, wherein the mounting ring is encased on the channel of the wastewater flow pipe.

[0014] In another aspect, the present application further provides a cleaning device, the device comprising the wastewater detection arrangement described above.

[0015] Due to the technical solutions described above, the wastewater detection arrangement according to the present application has the following advantageous effects: The at least one light beam transmitting device is arranged opposite the direct light beam receiving device, so that the light beams emitted by the at least one light beam transmitting device are received directly by the direct light beam receiving device in order to detect the wastewater color turbidity. In particular, the wastewater color turbidity characterizes the color depth of the wastewater. The at least one light beam transmitting device and the reflected light beam receiving device are arranged on the same side, so that the light beams emitted by the at least one light beam transmitting device can only be received after reflection by the reflected light beam receiving device. In particular, the light beam can be received by the reflected light beam receiving device after reflection by the pipe wall of the wastewater flow pipe or by the

[0016] The reflected light beam receiver can be used to detect wastewater solid turbidity. This means that wastewater solid turbidity can be detected by the reflected light beam receiver, and the solid turbidity characterizes the solid-liquid ratio of the wastewater. The purification device can be controlled based on two aspects: wastewater color turbidity and solid turbidity, improving the control flexibility of the purification device. The detection of both wastewater color turbidity and solid turbidity improves the detection accuracy and thus the control accuracy of the purification device. Brief description of the drawings

[0017] To more clearly explain the technical solutions of the present application, a brief introduction to the drawings necessary for describing the embodiments or the prior art is provided below. It should be understood that the drawings in the following description merely illustrate some embodiments of the present application. Other drawings can be obtained by a person skilled in the art without creative effort. Fig. 1 is a schematic diagram of the structure of a wastewater detection system according to an embodiment of the present application; Fig. 2 is a plan view of a wastewater detection assembly according to an embodiment of the present application; Fig. 3 is a plan view of a wastewater detection assembly according to another embodiment of the present application.

[0018] List of reference symbols: 1-light beam transmitting device, 2-wastewater flow pipe, 3-direct light beam receiving device, 4-reflection light beam receiving device. Detailed description of embodiments

[0019] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Of course, the described embodiments are only a part of the embodiments of the present application and not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without creative work fall within the scope of the present application.

[0020] The term "an embodiment" or "an embodiment" refers herein to a particular feature, structure, or feature that may be included in at least one implementation of the present application. Throughout the description of the present application, it is to be understood that the orientation or positional relationships indicated by the terms "top," "bottom," "left," "right," "upper," "bottom," etc., are based on the orientation or positional relationships illustrated in the drawings. It is provided solely to facilitate the description of the present application and to simplify the description and is not intended to indicate or imply that the mentioned devices or elements have a particular orientation, must be constructed, and operate in a particular orientation, and therefore cannot be construed as limiting the present application.Furthermore, the terms "first" and "second" are for descriptive purposes only and should not be understood to indicate or imply a relative importance or to imply the number of specified technical features. As a result, features defined with "first" and "second" may explicitly or implicitly include one or more of these features. Furthermore, the terms "first," "second," etc., are used to distinguish similar items and do not necessarily describe a particular order or sequence. It should be understood that the data so used are interchangeable, where appropriate, so that the embodiments of the present application described herein may be implemented in an order different from that shown or described herein.

[0021] Combined with Fig. 1, a wastewater detection arrangement according to the exemplary embodiment of the present application is presented, comprising at least one light beam transmitting device 1 and at least two light beam receiving devices, wherein the at least one light beam transmitting device 1 and the at least two light beam receiving devices are arranged around a wastewater flow pipe 2; and the at least two light beam receiving devices each comprise a direct light beam receiving device 3 and a reflected light beam receiving device 4, wherein the at least one light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3, and the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same side of the wastewater flow pipe 2.

[0022] In one embodiment of the present application, the at least one light beam transmitting device 1 serves to emit a detection light beam. In particular, the detection light beam can be a light beam with any output wavelength or a composite light beam with multiple output wavebands. The detection light beam can, for example, be any one or more of an infrared beam, a blue light beam, a green light beam, and an ultraviolet beam, wherein the infrared beam and the ultraviolet beam are invisible light and the blue light beam and the green light beam are visible light. In a further embodiment of the present application, the detection light beam can be a laser light beam.

[0023] In a specific embodiment of the present application, the at least one light beam transmitting device 1 may be a light-emitting diode (LED lamp) and the at least two light beam receiving devices may be one or more of the following: photodiode and phototransistor.

[0024] In one embodiment of the present application, the at least two light beam receiving devices serve to receive the detection light beam emitted by the at least one light beam transmitting device 1; the direct light beam receiving device 3 serves to directly receive the detection light beam emitted by the at least one light beam transmitting device 1, ie the detection light beam emitted by the at least one light beam transmitting device 1 penetrates wastewater and / or air and is then received by the direct light beam receiving device 3; the color depth of the wastewater enables absorption of the detection light beam; the reflection light beam receiving device 4 serves to receive the reflected detection light beam, iethe detection light beam emitted by the at least one light beam transmitting device 1 is received by the reflected light beam receiving device 4 after reflection by the wastewater flow pipe 2 and / or the wastewater solids.

[0025] In one embodiment of the present application, the wastewater flow pipe 2 is understood to mean a pipe for the flow of wastewater, which may be a round pipe or a square pipe, a fully transparent pipe, a locally transparent pipe allowing the penetration of the detection light beam, or a semi-transparent pipe allowing the penetration of the detection light beam.

[0026] In a specific embodiment of the present application, with reference to the Fig.2 to 3, it is assumed that the direction of movement of the cleaning device is defined as the front and back directions, the center of the wastewater flow pipe 2 is defined as the center point, the positive front side is defined as the positive y-axis, the positive right side is defined as the positive x-axis, and the x-axis is defined as the 0° axis. The at least one light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3, which characterizes that the angle between the at least one light beam transmitting device 1 and the direct light beam receiving device 3 is 180°. For example, if it is assumed that the at least one light beam transmitting device 1 is arranged at the position where the 90° axis is located, the direct light beam receiving device 3 is arranged at the position where the 270° axis is located.Assuming that the at least one light beam transmitting device 1 is arranged at the position where the 30° axis is located, the direct light beam receiving device 3 is arranged at the position where the 210° axis is located.

[0027] In a specific embodiment of the present application, it is assumed that the movement direction of the cleaning device is defined as the front and back directions, the center of the wastewater flow pipe 2 is defined as the center point, the positive front side is defined as the positive y-axis, the positive right side is defined as the positive x-axis, and the x-axis is defined as the 0° axis. The at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same side, which characterizes that the angle between the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 is less than or equal to 90°.

[0028] For example, assuming that the at least one light beam transmitting device 1 is arranged at the location where the 90° axis is located, the reflected light beam receiving device 4 is arranged between the 0° axis and the 180° axis. Assuming that the at least one light beam transmitting device 1 is arranged at the location where the 30° axis is located, the reflected light beam receiving device 4 is arranged between the 300° axis and the 120° axis.

[0029] In one embodiment of the present application, the at least one light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3, so that the light beams emitted by the at least one light beam transmitting device 1 are received directly by the direct light beam receiving device 3 to detect the wastewater color turbidity. In particular, the wastewater color turbidity characterizes the color depth of the wastewater.

[0030] The at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same side, so that the light beams emitted by the at least one light beam transmitting device 1 can only be received after reflection by the reflected light beam receiving device 4. In particular, the light beam can be received by the reflected light beam receiving device 4 after reflection by the pipe wall of the wastewater flow pipe 2 or by the reflected light beam receiving device 4 after reflection by solids in the wastewater.

[0031] That is, the detection of wastewater solid turbidity can be achieved by the reflected light beam receiving device 4, where the wastewater solid turbidity characterizes the solid-liquid ratio of the wastewater. The purification device can be controlled based on two aspects: wastewater color turbidity and wastewater solid turbidity, to improve the control flexibility of the purification device. The detection of wastewater color turbidity and wastewater solid turbidity improves the detection accuracy and thus the control accuracy of the purification device.

[0032] In a specific embodiment of the present application, the wastewater type can be determined based on the wastewater color turbidity and the wastewater solids turbidity. For example, the wastewater type is milk, which characterizes low wastewater color turbidity but high wastewater solids turbidity. The wastewater type is cola, which characterizes low wastewater color turbidity and low wastewater solids turbidity.

[0033] In a specific embodiment of the present application, there may be a plurality of light beam transmitting devices 1 and a plurality of direct light beam receiving devices 3 each adapted to the plurality of light beam transmitting devices 1, and the number of reflected light beam receiving devices 4 is set based on specific requirements such as manufacturing cost and detection accuracy.

[0034] In a specific embodiment of the present application, a light beam transmitting device 1 and a direct light beam receiving device 3 may also be present, which is adapted to the light beam transmitting device 1.

[0035] In a specific embodiment of the present application, a light beam transmitting device 1 and a plurality of direct light beam receiving devices 3 adapted to the light beam transmitting device 1 may also be present.

[0036] In a specific embodiment of the present application, several light beam transmitting devices 1 and a

[0037] Direct light beam receiving device 3 may be present which is adapted to a plurality of light beam transmitting devices 1.

[0038] In one embodiment of the present application, the at least one light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3 with respect to the central axis of the wastewater flow pipe 2.

[0039] In one embodiment of the present application, the light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3 with respect to the central axis of the wastewater flow pipe 2, so that it is ensured that the detection light beam can pass through the wastewater flow pipe 2 as far as possible and be received by the direct light beam receiving device 3, thereby improving the detection accuracy of the wastewater color turbidity by the wastewater detection arrangement.

[0040] In one embodiment of the present application, the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same edge of the wastewater flow pipe 2.

[0041] In one embodiment of the present application, it is assumed that the direction of movement of the cleaning device is defined as the front and back directions, the center of the wastewater flow pipe 2 is defined as the center point, the positive front side is defined as the positive y-axis, the positive right side is defined as the positive x-axis, and the x-axis is defined as the 0° axis. The at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same edge of the wastewater flow pipe 2, which characterizes that the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are located on the same axis. For example, it is assumed that the at least one light beam transmitting device 1 is arranged at the position where the 90° axis is located, so the reflected light beam receiving device 4 is arranged at the position where the 90° axis is located.Assuming that the at least one light beam transmitting device 1 is arranged at the position where the 30° axis is located, the reflected light beam receiving device 4 is arranged at the position where the 30° axis is located.

[0042] In one embodiment of the present application, the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same edge of the wastewater flow pipe 2, so that the accuracy of the reflected light beam that can be received by the reflected light beam receiving device 4 is improved, thereby improving the detection accuracy of the wastewater solid turbidity by the wastewater detection arrangement. In one embodiment of the present application, the wastewater flow pipe 2 is designed as a round pipe, and the distance between the at least one light beam transmitting device 1 and the direct light beam receiving device 3 is less than or equal to the pipe diameter of the wastewater flow pipe 2.

[0043] In one embodiment of the present application, at least one of the at least one light beam transmitting device 1 and the direct light beam receiving device 3 is arranged within the pipe of the wastewater flow pipe 2, and the other is arranged on the pipe wall of the wastewater flow pipe 2 if the distance between the at least one light beam transmitting device 1 and the direct light beam receiving device 3 is smaller than the pipe diameter of the wastewater flow pipe 2. In particular, the direct light beam receiving device 3 can be arranged on the pipe wall of the wastewater flow pipe 2, and the direct light beam receiving device 3 can also be arranged within the pipe of the wastewater flow pipe 2 if the at least one light beam transmitting device 1 is arranged within the pipe of the wastewater flow pipe 2.If the direct light beam receiving device 3 is arranged within the pipe of the wastewater flow pipe 2, the at least one light beam transmitting device 1 can also be arranged on the pipe wall of the wastewater flow pipe 2.

[0044] In one embodiment of the present application, the wastewater flow pipe 2 is designed as a round pipe, and the distance between the at least one light beam transmitting device 1 and the direct light beam receiving device 3 is less than or equal to the pipe diameter of the wastewater flow pipe 2, so that not only the detection accuracy of the wastewater color turbidity can be further improved, but also the flexibility of the installation between the at least one light beam transmitting device 1 and the direct light beam receiving device 3 can be improved, thereby improving the flexibility in the arrangement of the wastewater detection arrangement in the cleaning device.

[0045] In one embodiment of the present application, the connecting line on which the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are located runs parallel to the central axis of the wastewater flow pipe 2.

[0046] In one embodiment of the present application, the connecting line on which the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are located runs parallel to the central axis of the wastewater flow pipe 2, which characterizes that the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged simultaneously inside the pipe of the wastewater flow pipe 2 or simultaneously outside the pipe of the wastewater flow pipe 2.

[0047] In one embodiment of the present application, the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged simultaneously inside the pipe of the wastewater flow pipe 2 or simultaneously outside the pipe of the wastewater flow pipe 2, so that while ensuring the detection accuracy of the wastewater solid turbidity, the flexibility in the arrangement of the wastewater detection arrangement in the cleaning device can also be improved.

[0048] In one embodiment of the present application, one of the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 is arranged inside the pipe of the wastewater flow pipe 2, and the other of the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 is arranged outside the pipe of the wastewater flow pipe 2.

[0049] In an embodiment of the present application, one of the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 is arranged inside the pipe of the wastewater flow pipe 2, and the other of the at least one light beam transmitting device 1 and the reflected light beam receiving device 4 is arranged outside the pipe of the wastewater flow pipe 2, so that the flexibility in the arrangement of the wastewater detection device in the purification device can be improved while ensuring the detection accuracy of the wastewater solid turbidity.

[0050] In one embodiment of the present application, the wastewater flow pipe 2 is provided with a first installation element, a second installation element and a third installation element, wherein the first installation element is arranged opposite the second installation element, and the first installation element and the third installation element are located on the same side of the wastewater flow pipe 2, wherein the at least one light beam transmitting device 1 is detachably connected to the wastewater flow pipe 2 via the first installation element, the direct light beam receiving device 3 is detachably connected to the wastewater flow pipe 2 via the second installation element, and the reflected light beam receiving device 4 is detachably connected to the wastewater flow pipe 2 via the third installation element.

[0051] In one embodiment of the present application, the at least one light beam transmitting device 1 is detachably connected to the wastewater flow pipe 2 via the first installation element, the direct light beam receiving device 3 is detachably connected to the wastewater flow pipe 2 via the second installation element, and the reflected light beam receiving device 4 is detachably connected to the wastewater flow pipe 2 via the third installation element, so that the convenience of installation of the at least one light beam transmitting device 1, the direct light beam receiving device 3 and the reflected light beam receiving device 4 is improved and the replacement of the at least one light beam transmitting device 1, the direct light beam receiving device 3 and the reflected light beam receiving device 4 is facilitated, and thus the convenience of maintenance of the cleaning device is improved.

[0052] In one embodiment of the present application, the first installation element, the second installation element and the third installation element are each designed as a mounting groove.

[0053] In one embodiment of the present application, the first mounting element, the second mounting element, and the third mounting element are each formed as a mounting groove, thereby improving the installation stability of the at least one light beam transmitting device 1, the direct light beam receiving device 3, and the reflected light beam receiving device 4, and thus improving the reliability of wastewater detection by the purification device. In one embodiment of the present application, the at least one light beam transmitting device 1 and the at least two light beam receiving devices are integrally formed by a mounting ring, wherein the mounting ring is encased on the channel of the wastewater flow pipe 2.In one embodiment of the present application, the at least one light beam transmitting device 1 and the at least two light beam receiving devices are integrally formed by a mounting ring, so that the wastewater detection assembly and the wastewater flow pipe 2 can be removed based on the mounting ring, thereby improving the convenience of installation of the wastewater detection assembly and improving the convenience of maintenance of the cleaning device.

[0054] The functional principle of the wastewater detection arrangement according to the present application is described below: When wastewater is present within the wastewater flow pipe 2, a detection light beam is emitted by the at least one light beam transmitting device 1. The detection light beam then penetrates the wastewater and is received by the direct light beam receiving device 3 to generate a detection result of the wastewater color turbidity. The detection light beam is reflected by solids in the wastewater or the pipe wall of the wastewater flow pipe 2 and received by the reflected light beam receiving device 4 to generate a detection result of the wastewater solid turbidity. The control of the purification device switches to different operating modes based on the detection result of the wastewater color turbidity and the detection result of the wastewater solid turbidity.

[0055] The wastewater detection arrangement according to the embodiment of the present application has the following advantageous effects: The at least one light beam transmitting device 1 is arranged opposite the direct light beam receiving device 3, so that the light beams emitted by the at least one light beam transmitting device 1 are received directly by the direct light beam receiving device 3 to detect the wastewater color turbidity. In particular, the wastewater color turbidity characterizes the color depth of the wastewater. The at least one light beam transmitting device 1 and the reflected light beam receiving device 4 are arranged on the same side, so that the light beams emitted by the at least one light beam transmitting device 1 can only be received after reflection by the reflected light beam receiving device 4.Specifically, the light beam can be received by the reflected light beam receiving device 4 after being reflected by the pipe wall of the wastewater flow pipe 2, or by the reflected light beam receiving device 4 after being reflected by solids in the wastewater. That is, the detection of wastewater solid turbidity can be achieved by the reflected light beam receiving device 4, where the wastewater solid turbidity characterizes the solid-liquid ratio of the wastewater. The purification device can be controlled based on two aspects: wastewater color turbidity and wastewater solid turbidity, to improve the control flexibility of the purification device. The detection of wastewater color turbidity and wastewater solid turbidity improves the detection accuracy and thus the control accuracy of the purification device.Furthermore, a cleaning device according to the embodiment of the present application is provided, wherein the cleaning device comprises a wastewater detection arrangement according to the embodiment of the present application. The advantageous effects of the cleaning device coincide with the advantageous effects of the wastewater detection arrangement, which will not be explained in detail here.

[0056] In a specific embodiment of the present application, the cleaning device may be a floor sweeping machine and the cleaning device may also be a floor washing machine.

[0057] The foregoing explanation has fully disclosed the specific embodiments of the present application. It should be noted that any changes made by those skilled in the art to the specific embodiments of the present application do not depart from the scope of the claims of the present application. Accordingly, the scope of the claims of the present application is not limited only to the specific embodiments described above.

Claims

[1] Wastewater detection arrangement, characterized by that it comprises at least one light beam transmitting device (1) and at least two light beam receiving devices, wherein the at least one light beam transmitting device (1) and the at least two light beam receiving devices are arranged around a wastewater flow pipe (2); and the at least two light beam receiving devices each comprise a direct light beam receiving device (3) and a reflected light beam receiving device (4), wherein the at least one light beam transmitting device (1) is arranged opposite the direct light beam receiving device (3), and the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) are arranged on the same side of the wastewater flow pipe (2). [2] Wastewater detection arrangement according to claim 1, characterized bythat the angle between the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) is less than or equal to 90 °. [3] Wastewater detection arrangement according to claim 1, characterized by that the at least one light beam transmitting device (1) is arranged opposite the direct light beam receiving device (3) with respect to the central axis of the waste water flow pipe (2). [4] Wastewater detection arrangement according to claim 3, characterized by that the angle between the at least one light beam transmitting device (1) and the direct light beam receiving device (3) is 180 °. [5] Wastewater detection arrangement according to claim 1, characterized by that the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) are arranged on the same edge of the waste water flow pipe (2). [6] Wastewater detection arrangement according to claim 5, characterized bythat the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) are located on the same axis. [7] Wastewater detection arrangement according to claim 6, characterized by that the connecting line on which the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) are located runs parallel to the central axis of the waste water flow pipe (2). [8] Wastewater detection arrangement according to claim 1, characterized by that the waste water flow pipe (2) is designed as a round pipe, and the distance between the at least one light beam transmitting device (1) and the direct light beam receiving device (3) is equal to the pipe diameter of the waste water flow pipe (2). [9] Wastewater detection arrangement according to claim 1, characterized bythat one of the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) is arranged inside the pipe of the wastewater flow pipe (2), and the other of the at least one light beam transmitting device (1) and the reflected light beam receiving device (4) is arranged outside the pipe of the wastewater flow pipe (2). [10] Wastewater detection arrangement according to claim 1, characterized by in that the waste water flow pipe (2) is provided with a first installation element, a second installation element and a third installation element, wherein the first installation element is arranged opposite the second installation element, and the first installation element and the third installation element are located on the same side of the waste water flow pipe (2). [11] Wastewater detection arrangement according to claim 10, characterized bythat the at least one light beam transmitting device (1) is detachably connected to the waste water flow pipe (2) via the first installation element, the direct light beam receiving device (3) is detachably connected to the waste water flow pipe (2) via the second installation element, and the reflected light beam receiving device (4) is detachably connected to the waste water flow pipe (2) via the third installation element. [12] Wastewater detection arrangement according to claim 11, characterized by that the first installation element, the second installation element and the third installation element are each designed as an assembly groove. [13] Wastewater detection arrangement according to claim 1, characterized by that the at least one light beam transmitting device (1) and the at least two light beam receiving devices are formed in one piece by a mounting ring, wherein the mounting ring is encased on the channel of the waste water flow pipe (2). [14] Cleaning device, characterized bythat it comprises a wastewater detection arrangement according to one of claims 1 to 13.

Images