PIV tracer particle laying device

Abstract

The utility model relates to the technical field of tracer particle laying, and discloses a PIV tracer particle laying device which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is located at the outer end of the main body mechanism, the main body mechanism comprises a machine body, a tracer particle storage box and a control assembly, the tracer particle storage box is fixedly installed at the upper end of the machine body, and the control assembly is located at the lower end of the machine body. The control assembly is fixedly installed on the outer side of the machine body. According to the PIV tracer particle laying device, through installation of a main body mechanism, starting of a transmission motor and driving of a stirrer to rotate, the concentration of a particle solution in a tracer particle storage box is more uniform, a micro pump is started, tracer particles are discharged to an experiment table through a discharge pipe, a user rotates a rotary knob, an extrusion plate downwards pushes a pressing block, and then the tracer particles are laid out; and the pressing block further extrudes the discharging pipe in the discharging cavity, so that the flow speed of the particle solution is increased, the flow speed in the device can be monitored through installation of the flow speed monitoring device, and the practicability of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tracer particle placement, in particular to a PIV tracer particle placement device. Background Art

[0002] A particle imaging velocimeter is an instrument that places tracer particles in a fluid and uses the motion image of particles in the water flow to measure the velocity field (PIV for short). A typical particle imaging velocimeter includes a light source system, a tracer particle placement system, an optical system for receiving and recording particle scattered light, an information processing system, and other parts.

[0003] Existing patent CN110849579A proposes an automated particle spreading device suitable for a towing pool PIV system. The invention comprises a composite particle mixing bin, a particle delivery telescopic pipe, a pressure pump group and a support frame; two particle delivery telescopic pipes are mounted on the support frame and can move horizontally, and are connected to the water outlet of the particle mixing bin through two drainage pressure pumps; the pool water is pumped into the composite particle mixing bin from the water inlet by a pumping pressure pump, and after adding an appropriate amount of tracer particles and stirring them evenly for a second time, the water is sent to the hollow paddle below through the particle delivery telescopic pipe, and the hollow paddle rotates due to the movement of the trailer to evenly discharge the tracer particles, and the particle discharge position and concentration can be controlled according to specific test requirements.

[0004] However, although the existing patent CN110849579A pumps pool water into the composite particle mixing bin from the water inlet through a water pressure pump, adds an appropriate amount of tracer particles, stirs them evenly for a second time, and then sends them to the hollow paddle below through a particle delivery telescopic pipe, the movement of the trailer causes the hollow paddle to rotate and discharge the tracer particles evenly, and the particle discharge position and concentration can be controlled according to specific test requirements, some specific tests may have special requirements for the speed of tracer particle placement, and different placement speeds may achieve differentiated experimental parameters, so the tracer particle placement speed should be controlled to obtain more accurate experimental data. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The purpose of the utility model is to provide a PIV tracer particle placement device to solve the problem that some specific experiments in the above-mentioned technology mentioned in the above-mentioned background technology may have special requirements on the speed of tracer particle placement. Different placement speeds may achieve differentiated experimental parameters, so the tracer particle placement speed is controlled to obtain more accurate experimental data.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PIV tracer particle placing device, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located at the outer end of the main mechanism, the main mechanism comprises a body, a tracer particle storage box and a control component, the tracer particle storage box is fixedly mounted on the upper end of the body, and the control component is fixedly mounted on the outside of the body; the control component comprises a transmission motor, an agitator and a mounting bracket, the transmission motor is fixedly mounted on the left side of the tracer particle storage box, the agitator is movably mounted on the transmission end of the transmission motor, the agitator is movably mounted inside the tracer particle storage box, and the mounting bracket is fixedly mounted on the outside of the body.

[0009] Preferably, the control component also includes a discharge chamber, a side panel, a micro pump, a knob, an extrusion plate, a pressure block, a flow rate monitoring device, a discharge pipe, a laboratory table and a control panel. The discharge chamber is fixedly mounted on the inner side of the mounting frame. The transmission motor is started to drive the agitator to rotate, so that the concentration of the particle solution inside the tracer particle storage box is more uniform.

[0010] Preferably, the side plate is fixedly mounted on the outside of the discharge chamber, the micro pump is fixedly mounted on the outer end of the side plate, the knob is movably mounted on the upper end of the mounting frame, and the micro pump is started to discharge the tracer particles to the experimental table through the discharge pipe.

[0011] Preferably, the extrusion plate is movably mounted on the inner side of the mounting frame, the pressing block is movably mounted on the lower end of the extrusion plate, and the flow rate monitoring device is fixedly mounted on the inner side of the mounting frame. The user turns the knob to make the extrusion plate push the pressing block downward, and the pressing block further squeezes the discharge pipe inside the discharge cavity, thereby increasing the flow rate of the particle solution.

[0012] Preferably, the discharge pipe is fixedly installed on the inner side of the discharge cavity, the experimental table is fixedly arranged on the upper end of the body, the control panel is fixedly installed on the right side of the body, and the control panel signal is connected to the flow rate monitoring device. The installation of the flow rate monitoring device can monitor the flow rate inside the device, thereby effectively improving the practicability of the device.

[0013] Preferably, the auxiliary mechanism includes a servo motor, a ball screw, a ball nut and a visual sensor. The ball screw is movably installed on the right end of the servo motor. When the servo motor is started, it drives the ball screw to rotate, so that the ball nut and the visual sensor move left and right along the ball screw.

[0014] Preferably, the ball nut is movably mounted on the outer end of the ball screw, and the visual sensor is fixedly mounted on the outer end of the ball nut. The visual sensor signal is connected to the control panel. The visual sensor can record the tracer particle placement process, thereby effectively improving the convenience of the device.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The PIV tracer particle placing device, through the installation of the main mechanism, starts the transmission motor, drives the agitator to rotate, so that the concentration of the particle solution inside the tracer particle storage box is more uniform, the micro pump is started, and the tracer particles are discharged to the experimental table through the discharge pipe. The user turns the knob to make the extrusion plate push the pressing block downward, and the pressing block further squeezes the discharge pipe inside the discharge cavity, so that the flow rate of the particle solution becomes faster. The installation of the flow rate monitoring device can monitor the flow rate inside the device, which effectively improves the practicality of the device;

[0017] 2. The PIV tracer particle placement device installs the auxiliary mechanism, starts the servo motor, drives the ball screw to rotate, and makes the ball nut and the visual sensor move left and right along the ball screw. The visual sensor can record the tracer particle placement process, which effectively improves the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal cross-sectional structure of the tracer particle storage box of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0021] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0022] In the figure: 1. main mechanism; 101. machine body; 102. tracer particle storage box; 103. control component; 1031. transmission motor; 1032. agitator; 1033. mounting frame; 1034. discharge chamber; 1035. side panel; 1036. micro pump; 1037. knob; 1038. extrusion plate; 1039. pressing block; 10310. flow rate monitoring device; 10311. discharge pipe; 10312. laboratory table; 10313. control panel; 2. auxiliary mechanism; 201. servo motor; 202. ball screw; 203. ball nut; 204. visual sensor. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 The utility model provides a technical solution: a PIV tracer particle placing device, including a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located at the outer end of the main mechanism 1, the main mechanism 1 includes a body 101, a tracer particle storage box 102 and a control component 103, the tracer particle storage box 102 is fixedly installed at the upper end of the body 101, and the control component 103 is fixedly installed on the outer side of the body 101; the control component 103 includes a transmission motor 1031, a stirrer 1032 and a mounting frame 1033, the transmission motor 1031 is fixedly installed on the left side of the tracer particle storage box 102, the stirrer 1032 is movably installed at the transmission end of the transmission motor 1031, the stirrer 1032 is movably installed in the interior of the tracer particle storage box 102, the mounting frame 1033 is fixedly installed on the outer side of the body 101, and the control component 103 also includes a discharge cavity 1034, a side plate 1035, a micro pump 1036, a knob 1037, an extruder The pressure plate 1038, the pressure block 1039, the flow rate monitoring device 10310, the discharge pipe 10311, the experimental table 10312 and the control panel 10313, the discharge chamber 1034 is fixedly mounted on the inner side of the mounting frame 1033, the side plate 1035 is fixedly mounted on the outer side of the discharge chamber 1034, the micro pump 1036 is fixedly mounted on the outer end of the side plate 1035, the knob 1037 is movably mounted on the upper end of the mounting frame 1033, and the extrusion plate 1038 is movably mounted. On the inner side of the mounting frame 1033, the pressing block 1039 is movably mounted on the lower end of the extrusion plate 1038, the flow rate monitoring device 10310 is fixedly mounted on the inner side of the mounting frame 1033, the discharge pipe 10311 is fixedly mounted on the inner side of the discharge chamber 1034, the experimental table 10312 is fixedly set on the upper end of the body 101, and the control panel 10313 is fixedly mounted on the right side of the body 101, and the control panel 10313 signal is connected to the flow rate monitoring device 10310.

[0025] The auxiliary mechanism 2 includes a servo motor 201, a ball screw 202, a ball nut 203 and a visual sensor 204. The ball screw 202 is movably mounted on the right end of the servo motor 201, the ball nut 203 is movably mounted on the outer end of the ball screw 202, and the visual sensor 204 is fixedly mounted on the outer end of the ball nut 203. The signal of the visual sensor 204 is connected to the control panel 10313. When the PIV tracer particle placing device is used, the transmission motor 1031 is started to drive the agitator 1032 to rotate, so that the concentration of the particle solution inside the tracer particle storage box 102 is more uniform, and the micro pump 1036 is started. The tracer particles are discharged to the experimental table 10312 through the discharge pipe 10311. The user turns the knob 1037 to make the extrusion plate 1038 push the pressure block 1039 downward. The pressure block 1039 further squeezes the discharge pipe 10311 inside the discharge cavity 1034, so that the flow rate of the particle solution becomes faster. The installation of the flow rate monitoring device 10310 can monitor the flow rate inside the device. The servo motor 201 is started to drive the ball screw 202 to rotate, so that the ball nut 203 and the visual sensor 204 move left and right along the ball screw 202. The visual sensor 204 can record the tracer particle placement process.

[0026] Working principle: When using the PIV tracer particle placement device, the transmission motor 1031 is started to drive the agitator 1032 to rotate, so that the concentration of the particle solution inside the tracer particle storage box 102 is more uniform, the micro pump 1036 is started, and the tracer particles are discharged to the experimental table 10312 through the discharge pipe 10311. The user turns the knob 1037 to make the extrusion plate 1038 push the pressure block 1039 downward, and the pressure block 1039 further squeezes the discharge pipe 10311 inside the discharge cavity 1034, so that the flow rate of the particle solution becomes faster. The installation of the flow rate monitoring device 10310 can monitor the flow rate inside the device. The servo motor 201 is started to drive the ball screw 202 to rotate, so that the ball nut 203 and the visual sensor 204 move left and right along the ball screw 202, and the visual sensor 204 can record the tracer particle placement process.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A PIV tracer particle placement device, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located at the outer end of the main mechanism (1); the main mechanism (1) comprises a body (101), a tracer particle storage box (102) and a control component (103); the tracer particle storage box (102) is fixedly mounted on the upper end of the body (101); and the control component (103) is fixedly mounted on the outer side of the body (101); The control component (103) comprises a transmission motor (1031), a stirrer (1032) and a mounting frame (1033); the transmission motor (1031) is fixedly mounted on the left side of the tracer particle storage box (102); the stirrer (1032) is movably mounted on the transmission end of the transmission motor (1031); the stirrer (1032) is movably mounted inside the tracer particle storage box (102); and the mounting frame (1033) is fixedly mounted on the outside of the machine body (101).

2. A PIV tracer particle placement device according to claim 1, characterized in that: The control assembly (103) further includes a discharge chamber (1034), a side panel (1035), a micro pump (1036), a knob (1037), an extrusion plate (1038), a pressure block (1039), a flow rate monitoring device (10310), a discharge pipe (10311), a laboratory table (10312) and a control panel (10313); the discharge chamber (1034) is fixedly mounted on the inner side of the mounting frame (1033).

3. A PIV tracer particle placement device according to claim 2, characterized in that: The side plate (1035) is fixedly mounted on the outside of the discharge chamber (1034), the micro pump (1036) is fixedly mounted on the outer end of the side plate (1035), and the knob (1037) is movably mounted on the upper end of the mounting frame (1033).

4. A PIV tracer particle placement device according to claim 3, characterized in that: The extrusion plate (1038) is movably mounted on the inner side of the mounting frame (1033), the pressing block (1039) is movably mounted on the lower end of the extrusion plate (1038), and the flow rate monitoring device (10310) is fixedly mounted on the inner side of the mounting frame (1033).

5. A PIV tracer particle placement device according to claim 4, characterized in that: The discharge pipe (10311) is fixedly installed on the inner side of the discharge chamber (1034), the experimental table (10312) is fixedly arranged on the upper end of the body (101), the control panel (10313) is fixedly installed on the right side of the body (101), and the control panel (10313) is connected to the flow rate monitoring device (10310) by signal.

6. A PIV tracer particle placement device according to claim 5, characterized in that: The auxiliary mechanism (2) comprises a servo motor (201), a ball screw (202), a ball nut (203) and a visual sensor (204); the ball screw (202) is movably mounted on the right end of the servo motor (201).

7. A PIV tracer particle placement device according to claim 6, characterized in that: The ball nut (203) is movably mounted on the outer end of the ball screw (202), the visual sensor (204) is fixedly mounted on the outer end of the ball nut (203), and the signal of the visual sensor (204) is connected to the control panel (10313).

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