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CN-224231564-U - On-line detection device for turbidity of water body

CN224231564UCN 224231564 UCN224231564 UCN 224231564UCN-224231564-U

Abstract

The utility model belongs to the technical field of water turbidity detection, and discloses a water turbidity online detection device, wherein a volume space for accommodating a water body is formed by surrounding the inner wall of a shell, a water inlet and a water outlet which are respectively communicated with the volume space are formed in the inner wall of the shell, a light source device is fixedly connected to the inner wall of the shell and is used for emitting light waves irradiating the water body, a PD detector is fixedly connected to the inner wall of the shell and is vertically arranged relative to the light source device, the extinction assembly comprises an extinction shell, the extinction shell is fixed to the inner wall of the shell, an extinction cavity is arranged in the extinction shell, an extinction through hole which is communicated with the extinction cavity and is opposite to the light source device is formed in the extinction shell, and when the light waves emitted by the light source device do not irradiate suspension in the water body to generate lateral light, the light waves can enter the extinction cavity through the extinction through holes and are continuously reflected in the extinction cavity, and the light waves are dissipated in a reflection process, and the PD detector is not irradiated any more.

Inventors

  • TAN YIMING
  • LI ZHIQIANG
  • CHEN TIANYI

Assignees

  • 南京一目智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250425

Claims (11)

  1. 1. An on-line detection device for turbidity of water body, which is used for detecting the turbidity of the water body in real time, and is characterized by comprising: The water treatment device comprises a shell (1), wherein a volume space (11) for accommodating the water body is formed by surrounding the inner wall of the shell (1), and a water inlet (12) and a water outlet (13) which are respectively communicated with the volume space (11) are formed in the inner wall of the shell (1); The light source device (2) is fixedly connected to the inner wall of the shell (1) and is used for emitting light waves for irradiating the water body; The PD detector (3) is fixedly connected to the inner wall of the shell (1) and is vertically arranged relative to the light source device (2); Extinction subassembly (4), extinction subassembly (4) include extinction casing (41), extinction casing (41) are fixed in on the inner wall of shell (1), be provided with extinction chamber (411) in extinction casing (41), extinction casing (41) are last still offered with extinction chamber (411) intercommunication just right extinction through-hole (412) of light source device (2).
  2. 2. The on-line detection device for turbidity of water body according to claim 1, wherein the extinction component (4) further comprises a reflecting member (43), the reflecting member (43) is fixedly connected to the inner wall of the extinction shell (41) and is located in the extinction cavity (411), the reflecting member (43) is provided with a reflecting wall corresponding to the extinction through hole (412), and a perpendicular line of the reflecting wall is intersected with a hole axis of the extinction through hole (412).
  3. 3. The water turbidity online detection device according to claim 1, wherein one inner wall of the extinction housing (41) is a reflecting wall which is provided corresponding to the extinction through hole (412) and of which a perpendicular line intersects with a hole axis of the extinction through hole (412).
  4. 4. The on-line detection device for turbidity of water body according to claim 1, wherein the extinction component (4) further comprises an extinction threaded cone (42), the extinction threaded cone (42) is fixedly connected to the inner wall of the extinction shell (41) and is located in the extinction cavity (411), a cone tip of the extinction threaded cone (42) is opposite to the light source device (2), and the light waves irradiate onto the extinction threaded cone (42) to generate diffuse reflection.
  5. 5. The on-line water turbidity detection device according to claim 4, wherein a first connecting hole (421) is formed in the extinction threaded cone (42), a first fixing hole (413) corresponding to the first connecting hole (421) is formed in a side wall of the extinction shell (41), and the extinction threaded cone (42) is fixedly connected to the extinction shell (41) by penetrating through the first connecting hole (421) through a locking piece and being connected with the first fixing hole (413) in a matching manner.
  6. 6. The on-line detection device for turbidity of water body according to claim 5, wherein a gasket is further arranged at the connection position of the extinction thread cone (42) and the extinction shell (41).
  7. 7. The water turbidity online detection device according to claim 1, wherein the extinction housing (41) further comprises a first housing (414) and a second housing (415), the extinction through hole (412) is formed in the second housing (415), and the first housing (414) and the second housing (415) are mutually buckled to form the extinction cavity (411).
  8. 8. The on-line detection device for turbidity of water body according to claim 7, wherein the extinction housing (41) comprises at least two second housings (415), the extinction through holes (412) of the different second housings (415) have different inner diameters, and the first housing (414) and one of the at least two second housings (415) are buckled with each other to form the extinction cavity (411).
  9. 9. The on-line water turbidity detection device according to claim 7, wherein the first housing (414) is made of a hydrophilic material and/or the second housing (415) is made of a hydrophilic material.
  10. 10. The on-line water turbidity detection device according to claim 7, wherein the surface of the first housing (414) is a diffuse reflection surface and/or the surface of the second housing (415) is a diffuse reflection surface.
  11. 11. The on-line detection device of turbidity of a body of water according to any of the claims 1-10, characterized in that the inner wall of the housing (1) is a diffuse reflecting surface.

Description

On-line detection device for turbidity of water body Technical Field The utility model relates to the technical field of water turbidity detection, in particular to a water turbidity online detection device. Background The turbidity is an important water quality parameter reflecting the content of suspended matters in the water body, the on-line water turbidity detector can detect the turbidity of the water body in real time, is suitable for places needing to detect the water quality in real time such as sewage treatment plants, water works and the like, irradiates the water body flowing into the on-line water turbidity detector through a light source, and the PD detector (Photodiodes Detector, photoelectric detector) detects side scattered light mapped by the suspended matters in the water body to measure and calculate the turbidity of the water body. However, when the light waves emitted by the light source do not irradiate suspended matters in the water body, the light waves are continuously reflected inside the water body turbidity on-line detector and irradiate into the detection end of the PD detector, so that the detection result of the side scattered light of the PD detector is distorted, and the detection precision of the water body turbidity is reduced. Disclosure of utility model The utility model aims to provide an online water turbidity detection device, which can prevent light wave reflection of suspended matters in water from being irradiated into a detection end of a PD detector, so that the detection precision of the PD detector is influenced, and further the detection precision of the online water turbidity detection device is ensured. To achieve the purpose, the utility model adopts the following technical scheme: The utility model provides a turbidity on-line measuring device of water for the turbidity of real-time detection water includes: The inner wall of the shell is surrounded to form a volume space for accommodating the water body, and the inner wall of the shell is provided with a water inlet and a water outlet which are respectively communicated with the volume space; The light source device is fixedly connected to the inner wall of the shell and used for emitting light waves for irradiating the water body; The PD detector is fixedly connected to the inner wall of the shell and is vertically arranged relative to the light source device; The extinction assembly comprises an extinction shell, the extinction shell is fixed on the inner wall of the shell, an extinction cavity is arranged in the extinction shell, and an extinction through hole which is communicated with the extinction cavity and is right opposite to the light source device is further formed in the extinction shell. Preferably, the extinction assembly further comprises a reflecting piece, the reflecting piece is fixedly connected to the inner wall of the extinction shell and located in the extinction cavity, the reflecting piece is provided with a reflecting wall corresponding to the extinction through hole, and a perpendicular line of the reflecting wall is intersected with a hole axis of the extinction through hole. Preferably, one inner wall of the extinction shell is a reflecting wall which is arranged corresponding to the extinction through hole and the perpendicular line is intersected with the hole axis of the extinction through hole. Preferably, the extinction assembly further comprises an extinction thread cone, the extinction thread cone is fixedly connected to the inner wall of the extinction shell and located in the extinction cavity, the cone tip of the extinction thread cone is opposite to the light source device, and the light waves irradiate to the extinction thread cone to be diffusely reflected. Preferably, a first connecting hole is formed in the extinction thread cone, a first fixing hole corresponding to the first connecting hole is formed in the side wall of the extinction shell, and the extinction thread cone is fixedly connected to the extinction shell through the locking piece penetrating through the first connecting hole to be connected with the first fixing hole in a matched mode. Preferably, a gasket is further arranged at the connection position of the extinction thread cone and the extinction shell. Preferably, the extinction shell further comprises a first shell and a second shell, the extinction through hole is formed in the second shell, and the first shell and the second shell are mutually buckled to form the extinction cavity. Preferably, the extinction shell comprises at least two second shells, the inner diameters of extinction through holes of different second shells are different, and the first shell and one of the at least two second shells are mutually buckled to form the extinction cavity. Preferably, the first housing is made of a hydrophilic material and/or the second housing is made of a hydrophilic material. Preferably, the surface of the first shell is a diffuse reflection