Device for measuring number of liquid particles

Abstract

The utility model discloses a device for measuring the number of liquid particles, which comprises a light resistance method counter main body, a detection plug is arranged at the top end of the light resistance method counter main body, and the light resistance method counter main body and the detection plug are matched to count the number of particles carried by liquid; an industrial computer is arranged on the front face of the light resistance method counter body and used for receiving statistical data of the light resistance method counter body. A high-transparency colorless detection glass tube is fixedly mounted in the protective connecting cylinder, a plug mounting frame is integrally formed in the middle of the front surface of the protective connecting cylinder, and the detection plug is inserted into the plug mounting frame. According to the utility model, the detection glass tube and the U-shaped connecting frame made of glass are used for constructing a flowing pool for liquid flowing, so that the negative influence of liquid can be effectively resisted, the replacement is convenient, and the use effect of the device is not influenced; the number of liquid on the two sides of the U-shaped connecting frame is large and equal, so that the liquid in the sensitive area flows stably, particles are more uniform, and particle counting is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid particle quantity measurement technical field especially relates to a device of measuring liquid particle quantity. BACKGROUND

[0002] In prior art, liquid particle quantity measurement is the technology that special instrument carries out quantitative analysis to the particle size, quantity and distribution of the suspended particle in liquid.

[0003] The principle of light blocking method (light shielding method) is that the particle blocks the light source when flowing through the detection area, resulting in the change of light intensity. The particle quantity and particle size are calculated by analyzing the amplitude and frequency of light intensity change.

[0004] The principle of light scattering method is that the signal generated by the particle scattering laser is used to judge the particle size and quantity by detecting the scattering light intensity. Application scope: small particles of tens of nanometers to tens of microns, suitable for high-precision fields such as semiconductors and electronic chemicals.

[0005] In the process of measuring the quantity of liquid particles, the corresponding liquid needs to be stably introduced into the measuring device, so that after the measurement is completed, there will be liquid remaining in the measuring device. Non-corrosive liquid will not affect the device, but some corrosive liquid or other harmful liquid will adversely affect the device and affect the actual service life of the device. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in prior art and provides a device for measuring the quantity of liquid particles.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A device for measuring the quantity of liquid particles comprises:

[0009] The light blocking method counter body is provided with a detection plug at the top end, and the two cooperate to count the quantity of particles carried by the liquid. The front of the light blocking method counter body is provided with an industrial computer for receiving the statistical data of the light blocking method counter body.

[0010] The protection connecting barrel is internally fixedly installed with a high-transparency colorless detection glass tube, and the front middle part of the protection connecting barrel is integrally formed with a plug mounting frame. The detection plug is inserted into the plug mounting frame and is attached to the detection glass tube.

[0011] The both ends of the protective connecting cylinder are fixedly installed with sealed connecting square cylinders, the bottom end of the sealed connecting square cylinder is provided with a control connecting valve, the end of one of the control connecting valves is fixedly installed with a cleaning water supply pump, and the end of the other control connecting valve is fixedly installed with a waste liquid discharge pipe.

[0012] As a further scheme of the utility model: the top end of the control connecting valve is fixedly installed with a waste liquid guide pipe, and the waste liquid guide pipe is welded to the bottom end of the sealed connecting square cylinder.

[0013] As a further scheme of the utility model: the end of the sealed connecting square cylinder is fixedly installed with a variable-diameter flow guide square cylinder, and one end of the variable-diameter flow guide square cylinder is fixedly connected with a flow guide connecting pipe.

[0014] As a further scheme of the utility model: the top end of the variable-diameter flow guide square cylinder is fixedly connected with a positioning installation cylinder, and the inside of the positioning installation cylinder is fixedly installed with a liquid flow meter.

[0015] As a further scheme of the utility model: the both ends of the inside of the detection glass tube are fixedly installed with installation square cylinders, and the inner wall of the installation square cylinder is fixedly connected with a choke net cover.

[0016] As a further scheme of the utility model: the bottom end of the industrial computer is fixedly installed with a bearing base.

[0017] As a further scheme of the utility model: the bottom end of the protective connecting cylinder is fixedly connected with a plurality of fixed supporting columns, and the fixed supporting columns are fixedly installed at the top end of the bearing base.

[0018] As a further scheme of the utility model: the detection plug comprises a light source, a U-shaped connecting frame and a photoelectric detector, the U-shaped connecting frame is arranged inside the detection glass tube, and the photoelectric detector is arranged inside the U-shaped connecting frame.

[0019] Compared with the prior art, the utility model provides a device for measuring the number of liquid particles, which has the following beneficial effects:

[0020] 1. The device for measuring the number of liquid particles, the flow cell of liquid flow is constructed by the detection glass tube and the U-shaped connecting frame made of glass, which can effectively resist the negative influence of the liquid, is convenient to replace and does not affect the use effect of the device; the number of liquid on both sides of the U-shaped connecting frame is large and the same, so that the liquid flow in the sensitive area is stable and the particles are more uniform, which is convenient for particle counting.

[0021] 2. The device for measuring the number of liquid particles, the detection glass tube can be quickly cleaned by the waste liquid guide pipe, the control connecting valve, the cleaning water supply pump and the waste liquid discharge pipe, so that the influence of the liquid on the whole is reduced.

[0022] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a simple structure and is easy to operate. Attached Figure Description

[0023] Figure 1 Schematic diagram of the three-dimensional structure of the overall assembly of this utility model Figure 1 ;

[0024] Figure 2 Schematic diagram of the three-dimensional structure of the overall assembly of this utility model Figure 2 ;

[0025] Figure 3 This is a partial cross-sectional view of the overall assembly of this utility model.

[0026] Figure 4 This utility model Figure 3 A magnified schematic diagram of the structure at point A in the middle.

[0027] In the diagram: 1. Support base; 2. Industrial computer; 3. Main body of optical resist counter; 4. Detection plug; 5. Fixed support column; 6. Protective connecting cylinder; 7. Plug mounting frame; 8. Sealed connecting cylinder; 9. Variable diameter guide cylinder; 10. Guide connecting pipe; 11. Positioning mounting cylinder; 12. Liquid flow meter; 13. Control connecting valve; 14. Cleaning water supply pump; 15. Waste liquid discharge pipe; 16. Detection glass tube; 17. Waste liquid guide pipe; 18. Flow-blocking mesh cover; 19. Fixed mounting pin; 20. Connecting wire. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] A device for measuring the number of liquid particles, such as Figures 1 to 4 As shown, it includes: an industrial computer 2 and a photoresist counter body 3, which are fixedly installed on the top of the support base 1. The industrial computer 2 is located on the front of the photoresist counter body 3, and a protective connecting cylinder 6 is provided on the back of the photoresist counter body 3.

[0030] A connecting wire 20 is fixedly installed at the top of the main body 3 of the optical obscuration counter, and a detection plug 4 is fixedly installed at the top of the connecting wire 20. The two work together to count the number of particles carried by the liquid.

[0031] The inside of the protection connecting cylinder 6 is fixedly installed with a high-transparent colorless detection glass tube 16, and the front of the protection connecting cylinder 6 is integrally formed with a plug mounting frame 7, the inner cavity of the plug mounting frame 7 is communicated with the inner cavity of the protection connecting cylinder 6; and the two ends of the bottom of the protection connecting cylinder 6 are fixedly installed with a plurality of fixed support columns 5, which are fixedly installed at the top end of the bearing base 1.

[0032] As shown in Figure 3 The detection plug 4 includes a light source, a U-shaped connecting frame and a photoelectric detector; the light source is arranged to use a laser diode or a high-stability light beam source to generate focused parallel light; the U-shaped connecting frame is made of high-transparent colorless glass and is arranged inside the detection glass tube 16, the two arms of which are bonded to the inner wall of the back of the detection glass tube 16, and the front end of which forms a narrow gap with the inner wall of the front end of the detection glass tube 16, which is the sensitive area for the liquid to pass through; the photoelectric detector is arranged inside the groove of the U-shaped connecting frame and is located opposite to the light source to capture the light intensity attenuation signal in real time and convert it into an electric pulse.

[0033] The detection plug 4 transmits the particle number detection data of the liquid (the electric pulse converted by the photoelectric detector) to the light resistance method counter body 3, which converts the detection data into specific digital data and performs statistics; the industrial computer 2 is used to receive the statistical data of the light resistance method counter body 3.

[0034] A plurality of fixed mounting pins 19 are equidistantly welded at the two ends of the protection connecting cylinder 6, and the two ends of the detection glass tube 16 extend out of the protection connecting cylinder 6.

[0035] The two ends of the protection connecting cylinder 6 are provided with sealed connecting square cylinders 8, and the two ends of each sealed connecting square cylinder 8 are integrally formed with a plurality of perforated connecting convex edges, one of which is fixed by a nut and a fixed mounting pin 19, and one end of the sealed connecting square cylinder 8 is sleeved on the end of the detection glass tube 16.

[0036] The bottom end of the sealed connecting square cylinder 8 is welded with a waste liquid guide pipe 17, the bottom end of which is fixedly installed with a control connecting valve 13, one end of one of the control connecting valves 13 is fixedly installed with a cleaning water supply pump 14, and one end of the other control connecting valve 13 is fixedly installed with a waste liquid discharge pipe 15.

[0037] The end of the sealed connecting square cylinder 8 is fixedly installed with a variable-diameter flow guide square cylinder 9, the large inner diameter end of which is fixedly connected with the sealed connecting square cylinder 8, and the small diameter end is fixedly connected with a flow guide connecting pipe 10, which is used to connect components such as a precision plunger pump and a flow controller to stably deliver the detection liquid to the sensitive area.

[0038] The top end of the small-diameter end of the variable-diameter flow guide square cylinder 9 is fixedly connected with a positioning installation cylinder 11, and the inside of the positioning installation cylinder 11 is fixedly installed with a liquid flow meter 12 for measuring liquid and cooperating with a flow controller to accurately control the quantity of liquid supply.

[0039] The two ends of the inner cavity of the detection glass tube 16 are fixedly installed with installation square cylinders, the inner walls of the installation square cylinders are fixedly connected with flow resistance mesh covers 18, the flow resistance mesh covers 18 are used for reducing the flow rate of liquid and making the liquid stably pass through the sensitive area, and the two flow resistance mesh covers 18 are symmetrically arranged.

[0040] Working principle:

[0041] Please refer to Figures 1 to 4 Assemble the device as shown in the figure.

[0042] One of the flow guide connecting pipes 10 is connected with a liquid supply device, and the other flow guide connecting pipe 10 is connected with a liquid collection state; then the industrial computer 2 starts the liquid supply device and the photoresistance method counter main body 3, and the photoresistance method counter main body 3 starts the detection plug 4; the liquid supply device guides liquid into the detection glass tube 16 through the flow guide connecting pipe 10, the variable-diameter flow guide square cylinder 9 and the sealing connection square cylinder 8, enters the sensitive area, and the detection plug 4 counts the number of particles in the sensitive area.

[0043] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A device for measuring the number of liquid particles, characterized in that, include: The main body (3) of the optical obscuration counter is equipped with a detection plug (4) at its top. The two work together to count the number of particles carried by the liquid. An industrial computer (2) is provided on the front of the photoresist counter body (3) for receiving statistical data from the photoresist counter body (3); The protective connecting tube (6) has a highly transparent and colorless detection glass tube (16) fixedly installed inside it, and a plug mounting frame (7) is integrally formed in the center of the front side of the protective connecting tube (6). The detection plug (4) is inserted into the plug mounting frame (7) and fits against the detection glass tube (16). Both ends of the protective connecting cylinder (6) are fixedly installed with sealing connecting square cylinders (8). A control connecting valve (13) is provided at the bottom end of the sealing connecting square cylinder (8). A cleaning water supply pump (14) is fixedly installed at the end of one of the control connecting valves (13), and a waste liquid discharge pipe (15) is fixedly installed at the end of the other control connecting valve (13).

2. The device for measuring the number of liquid particles according to claim 1, characterized in that: Waste liquid guide pipe (17) is fixedly installed at the top of the control connection valve (13), and the waste liquid guide pipe (17) is welded to the bottom of the sealing connection tube (8).

3. The device for measuring the number of liquid particles according to claim 1, characterized in that: A variable diameter guide tube (9) is fixedly installed at the end of the sealing connection tube (8), and a guide tube (10) is fixedly connected to one end of the variable diameter guide tube (9).

4. The device for measuring the number of liquid particles according to claim 3, characterized in that: The top end of the variable diameter guide tube (9) is fixedly connected to a positioning installation tube (11), and a liquid flow meter (12) is fixedly installed inside the positioning installation tube (11).

5. The device for measuring the number of liquid particles according to claim 1, characterized in that: The two ends of the inner cavity of the detection glass tube (16) are fixedly installed with mounting tubes, and the inner wall of the mounting tubes is fixedly connected with a flow-blocking mesh cover (18).

6. The device for measuring the number of liquid particles according to claim 1, characterized in that: The industrial computer (2) is fixedly mounted on a support base (1) at its bottom.

7. The device for measuring the number of liquid particles according to claim 1, characterized in that: The bottom end of the protective connecting cylinder (6) is fixedly connected to a plurality of fixed support columns (5), and the fixed support columns (5) are fixedly installed on the top of the bearing base (1).

8. The device for measuring the number of liquid particles according to claim 1, characterized in that: The detection plug (4) includes a light source, a U-shaped connector and a photodetector. The U-shaped connector is located inside the detection glass tube (16) and the photodetector is located inside the U-shaped connector.

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