High-concentration particle signal collecting device

Abstract

The utility model discloses a high-concentration particle signal collecting device which comprises a signal collector body, an incident light laser is arranged on the signal collector body, the incident light laser is close to the inner wall of one side of the signal collector body, a flow cell is arranged in the signal collector body, and the flow cell is communicated with the signal collector body. And a light reduction detector and a light scattering detector are arranged on one side, opposite to the incident light laser, of the signal collector body. When the high-concentration particle signal collecting device provided by the utility model is used for detecting, a larger dynamic particle size range can be obtained through the light reduction detector, the sensitivity of obtaining smaller particles is increased through the light scattering detector, and a composite pulse is formed under the organic combination of the physical actions of the light scattering detector and the light reduction detector, so that the high-concentration particle signal is obtained. The particle size and concentration are accurately measured, the detection advantage of large particles at the tail end is improved, the detection range of the detected particle size is expanded to 0.3-400 micrometers, the detection range is expanded, and use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the particle detection technical field, concretely relates to a high concentration particle signal collection device. BACKGROUND

[0002] In the prior art, the effective particle size range detected by the device and method for detecting particle size and quantity is 1.8-400 microns, due to the instantaneous passage of a single particle through a very narrow 35-micron light sensing area, the instantaneous drop in light intensity is generated, and the transmission is carried out through the liquid flow path, under the influence of physical factors such as light refraction (offset), light absorption and light scattering (very small particles), the particle size range detected by the traditional light blocking method is fixed, and the detection of particles smaller than 1.8 microns is still in the bottleneck stage, which is not conducive to the detection of smaller particles.

[0003] Therefore, compared with the technical problems in the prior art, the particle detection work is solved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high concentration particle signal collection device to solve the problem that the detection of particles smaller than 1.8 microns is difficult and is not conducive to the detection of smaller particles.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high concentration particle signal collection device, comprising a signal collector body, an incident light laser is arranged on the signal collector body, the incident light laser is close to the inner wall of the side of the signal collector body, a flow cell is arranged in the signal collector body, a light reduction detector and a light scattering detector are arranged on the side of the signal collector body opposite to the incident light laser.

[0006] Preferably, the light reduction detector is vertically arranged on one side of the flow cell, and the light scattering detector is obliquely arranged on one side of the flow cell.

[0007] Preferably, the included angle between the light reduction detector and the light scattering detector is 20.7 degrees.

[0008] Preferably, liquid flow ports are arranged on the outer walls of the opposite sides of the signal collector body, and the liquid flow ports are respectively fixedly connected with the two ends of the flow cell.

[0009] Preferably, a data line interface is fixedly installed on one side of the signal collector body.

[0010] Preferably, a top cover is fixedly installed on the upper side of the signal collector body.

[0011] The utility model discloses a technical effect and advantage: be provided with the flow cell on the signal collector body, be provided with incident light laser on one side of flow cell, and the opposite side is provided with light scattering detector and light reduction detector, and light reduction detector is perpendicular with flow cell, and the included angle between light scattering detector and light reduction detector is 20.7 °, when detecting, can obtain greater dynamic particle size range through light reduction detector, increase the sensitivity of smaller particle through light scattering detector, under the physical action organic combination of light scattering detector and light reduction detector, form a composite pulse, accurate measurement particle size and concentration, improve the detection advantage of tail end big particle, make the detection range of detection particle size expand to 0.3-400 microns, improve the detection range, so as to facilitate using. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the existing particle detection principle diagram of the utility model;

[0013] Figure 2 It is the three-dimensional structure schematic diagram of the utility model;

[0014] Figure 3 It is the signal collector body inside schematic diagram of the utility model;

[0015] Figure 4 It is the signal collector body working principle diagram of the utility model.

[0016] In the drawing: 1, signal collector body;2, incident light laser;3, flow cell;4, light reduction detector;5, light scattering detector;6, liquid flow port;7, data line interface;8, top cover;100, particle. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0018] The utility model provides a kind of particle detection device, including signal collector body, incident light laser, flow cell, light reduction detector and light scattering detector, particle detection device, it is characterized by: the signal collector body is provided with the flow cell, and the flow cell is provided with incident light laser on one side, and the opposite side is provided with light scattering detector and light reduction detector, and light reduction detector is perpendicular with flow cell, and the included angle between light scattering detector and light reduction detector is 20.7 °. Figure 2 、 3The high-concentration particle signal collection device shown includes a signal collector body 1, on which an incident laser 2 is mounted. The incident laser 2 is located near the inner wall of the signal collector body 1. A flow cell 3 is disposed inside the signal collector body 1. A light attenuation detector 4 and a light scattering detector 5 are disposed on the side of the signal collector body 1 opposite to the incident laser 2. The light attenuation detector 4 is vertically disposed on one side of the flow cell 3, and the light scattering detector 5 is tilted on one side of the flow cell 3. The angle between the light attenuation detector 4 and the light scattering detector 5 is 20.7 degrees. A data cable interface 7 is fixedly installed on one side of the signal collector body 1. The flow cell 3 is disposed on the signal collector body 1. The incident laser 2 is disposed on one side of the flow cell 3, and the light scattering detector 5 and the light attenuation detector 4 are disposed on the opposite side. The light attenuation detector 4 is perpendicular to the flow cell 3, and the angle between the light scattering detector 5 and the light attenuation detector 4 is set to 20.7°. The working principle during detection can be referred to the appendix. Figure 4 As shown, after supplying liquid to the flow cell 3, a larger dynamic particle size range can be obtained through the light attenuation detector 4, and the sensitivity for detecting smaller particles can be increased through the light scattering detector 5. The combined physical action of the light scattering detector 5 and the light attenuation detector 4 forms a composite pulse, accurately measuring the particle size and concentration, improving the detection advantage for larger particles at the tail end, and expanding the detection range of particle size to 0.3-400 micrometers, thus improving detection efficiency; see attached diagram. Figure 1 The existing detection principle diagram shown is compared to Figure 4 The device shown in the diagram uses a light attenuation detector 4 and a light scattering detector 5 to detect different particle sizes. The two work together to expand the detection range of particle size and improve the efficiency and convenience of particle size detection, thus facilitating the detection work.

[0019] Specifically, the outer walls of the signal collector body 1 on opposite sides are provided with liquid flow ports 6, which are fixedly connected to both ends of the flow pool 3. A top cover 8 is fixedly installed on the upper side of the signal collector body 1. (See attached diagram.) Figure 2The liquid flow ports 6 arranged on the signal collector body 1 are used to supply liquid into the flow cell 3, and the liquid flow ports 6 are arranged protruding from the signal collector body 1, so that when detecting liquid particles, liquid pipes are connected at the protruding ends of the two liquid flow ports 6 respectively, one end is used to supply liquid, and the other end is used to collect the detected liquid, so as to facilitate the detection work; the top cover 8 is fixedly connected to the outer wall of the upper side of the signal collector body 1, and the top cover 8 is used to separate the space inside the signal collector body 1 from the outside, so as to ensure that the inside remains stable when detecting liquid, and facilitate the detection work, and to a certain extent, ensure the accuracy of the detection data; the data connection port arranged on one side of the signal collector body 1 is used to install a connecting line when detecting particles, so as to convert the detection data of the signal collector body 1 into computer recognizable data and transmit it to the computer end, so that the staff can check the detection results.

[0020] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or the equivalent replacement of part of the technical features, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the present application.

Claims

1. A high-concentration particle signal collection device, characterized in that: The system includes a signal collector body (1), on which an incident laser (2) is disposed. The incident laser (2) is located on the inner wall of the side of the signal collector body (1). A flow cell (3) is disposed inside the signal collector body (1). A light attenuation detector (4) and a light scattering detector (5) are disposed on the side of the signal collector body (1) opposite to the incident laser (2).

2. The high-concentration particle signal collection device according to claim 1, characterized in that: The light attenuation detector (4) is vertically disposed on one side of the flow cell (3), and the light scattering detector (5) is tilted on one side of the flow cell (3).

3. The high-concentration particle signal collection device according to claim 2, characterized in that: The angle between the light attenuation detector (4) and the light scattering detector (5) is 20.7 degrees.

4. The high-concentration particle signal collection device according to claim 1, characterized in that: The outer walls of the signal collector body (1) on both sides are provided with liquid flow ports (6), and the liquid flow ports (6) are fixedly connected to the two ends of the flow pool (3).

5. A high-concentration particle signal collection device according to claim 1, characterized in that: A data cable interface (7) is fixedly installed on one side of the signal collector body (1).

6. The high-concentration particle signal collection device according to claim 1, characterized in that: A top cover (8) is fixedly installed on the upper side of the signal collector body (1).

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