CN223400774U - Viscosity coefficient measuring device based on spring vibrator - Google Patents

Abstract

The utility model discloses a viscosity coefficient measuring device based on a spring oscillator, comprising a base, a vertical support rod disposed at the upper end of the base, a horizontal support member disposed at the upper end of the support rod, a spring oscillator disposed vertically downward on the support member, a metal sphere at the lower end of the spring oscillator disposed within a transparent test container, the test container having an open upper end and a lower end fixed to the base, an electromagnet disposed at the bottom of the test container, a laser ranging sensor disposed between the test container and the support member, a light baffle disposed on the spring oscillator, the light baffle and the laser ranging sensor cooperating to measure the vertical vibration data of the spring oscillator within the test container, and the laser ranging sensor and the electromagnet being electrically connected to a controller. This solution can effectively reduce test data collection errors caused by human intervention during the test process, and the entire device is highly intelligent, easy to use, and simple.

Description

Viscosity coefficient measuring device based on spring vibrator

Technical Field

The utility model relates to the field of viscosity coefficient research, in particular to a viscosity coefficient measuring device based on a spring vibrator.

Background

The viscosity coefficient is an important physical property of the fluid, and knowledge of the viscosity coefficient of the fluid not only contributes to physical property research, but also has important practical significance in industrial production and scientific research. Therefore, measurement of fluid viscosity coefficients is increasingly important in many fields. In 1687, newtons first proposed the concept of viscosity in fluid mechanics when applying fluid mechanics to problems in astronomical mechanics. He defined the ratio of the resistance experienced by the surface of the unit fluid to the velocity gradient along the normal to that surface as the viscosity coefficient of the fluid.

In the prior art, a common measurement method of viscosity coefficient is a ball falling method, but a measurement device used by the method is difficult to ensure that a small ball can fall along a central line and fall at a constant speed. During the use, a measurer needs to manually count through a stopwatch, and the accurate measurement of time is difficult, so that the existing device for measuring the viscosity coefficient has the defects of larger error and inconvenient use.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides a viscosity coefficient measuring device based on a spring vibrator.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

The utility model provides a viscous coefficient measuring device based on spring oscillator, it includes the base, the upper end of base is provided with vertical bracing piece, the upper end of bracing piece is provided with horizontally support piece, be provided with vertical decurrent spring oscillator on the support piece, the metal spheroid of spring oscillator lower extreme sets up in transparent test container, the upper end opening of test container, the lower extreme is fixed on the base, test container's bottom is provided with the electro-magnet, be provided with laser range finding sensor between test container and the support piece, be provided with the light barrier on the spring oscillator, the light barrier is provided with the upper and lower vibration data of laser range finding sensor cooperation measurement spring oscillator in test container, laser range finding sensor, the electro-magnet is all connected with the controller electricity.

Further, the laser ranging sensor is installed on the telescopic rod which is horizontally arranged through the clamping piece, and the laser ranging sensor is located right above the light barrier.

Further, the end part of the telescopic rod is fixed on the first sliding sleeve, the first sliding sleeve is arranged on the supporting rod in a sliding sleeve mode, and a limiting screw used for limiting is arranged on the first sliding sleeve and is in threaded connection with the first sliding sleeve.

Further, the end part of the support rod is fixed on the second sliding sleeve, the second sliding sleeve is arranged on the support rod in a sliding sleeve mode, and a limiting screw used for limiting is also arranged on the second sliding sleeve and is in threaded connection with the second sliding sleeve.

Further, the cross section of the support piece is of an L-shaped structure, a plurality of through holes are formed in the horizontal end of the support piece along the length direction, and the spring vibrator is hung on the through holes.

Further, the spring vibrator includes the spring of vertical setting, and the upper end of spring hangs on the through-hole through the couple, and the lower extreme of spring is provided with movable block, and the barn door is fixed on the movable block, and the lower extreme of movable block is provided with vertical stereoplasm haulage rope, and the lower extreme of stereoplasm haulage rope is provided with the net, is provided with metal spheroid in the net.

Further, the lower end of the movable block is also provided with a hook, and the upper end of the hard hauling rope is hung on the hook of the movable block through a pull ring.

Further, the device also comprises a liquid storage container arranged on the base, the bottom of the liquid storage container is connected with the bottom of the test container through a water pipe, a control valve and a bidirectional water pump are arranged on the water pipe, and the control valve is electrically connected with a bidirectional water pump uniformity controller.

Further, the intelligent remote control system also comprises a power module and a remote controller, wherein the power module is electrically connected with the controller, and the remote controller is electrically connected with the controller through a wireless module.

The measuring device has the beneficial effects that the measuring device can realize automatic spring vibration starting and vibration displacement distance measurement, the laser distance measurement sensor is used for distance measurement, the test data acquisition error caused by human participation in the test process can be effectively reduced, the intelligent degree of the whole device is high, an operator can operate by holding a remote controller, the test difficulty is greatly reduced, the measuring efficiency and accuracy are improved, and the use is convenient and concise.

Drawings

Fig. 1 is a block diagram of a device for measuring the viscosity coefficient based on a spring vibrator.

Fig. 2 is a control schematic diagram of a spring vibrator-based viscosity coefficient measuring device.

Wherein, 1 part of liquid storage container, 2 parts of support rod, 3 parts of base, 4 parts of electromagnet, 5 parts of water pipe, 6 parts of bidirectional water pump, 7 parts of control valve, 8 parts of test container, 9 parts of net, 10 parts of hard traction rope, 11, movable blocks, 12, springs, 13, supporting pieces, 14, first sliding sleeves, 15, light barrier, 16, laser ranging sensors, 17, telescopic rods, 18 and second sliding sleeves.

Detailed Description

The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1 and 2, a viscosity coefficient measuring device based on a spring vibrator, the device comprises a base 3, a vertical supporting rod 2 is arranged at the upper end of the base 3, a horizontal supporting piece 13 is arranged at the upper end of the supporting rod 2, a vertically downward spring 12 vibrator is arranged on the supporting piece 13, a metal ball at the lower end of the spring 12 vibrator is arranged in a transparent test container 8, an upper end opening and a lower end of the test container 8 are fixed on the base 3, an electromagnet 4 is arranged at the bottom of the test container 8, a laser ranging sensor 16 is arranged between the test container 8 and the supporting piece 13, a light barrier 15 is arranged on the spring 12 vibrator, the light barrier 15 is matched with the laser ranging sensor 16 to measure up-down vibration data of the spring 12 vibrator in the test container 8, and the laser ranging sensor 16 and the electromagnet 4 are electrically connected with a controller.

In this embodiment, the laser ranging sensor 16 is a KJT-KELR-TE40 type high-precision laser ranging sensor 16, and the controller is a PCB board with an STM32 single-chip microcomputer.

In this embodiment, the laser ranging sensor 16 is mounted on the telescopic rod 17 horizontally arranged through the clamping member, the laser ranging sensor 16 is located right above the light barrier 15, the telescopic rod 17 facilitates adjustment of the relative position of the laser ranging sensor 16, and alignment of the laser ranging sensor 16 and the light barrier 15 is ensured.

In this embodiment, the end of the telescopic rod 17 is fixed on the first sliding sleeve 14, the first sliding sleeve 14 is slidably sleeved on the supporting rod 2, and a limiting screw for limiting is arranged on the first sliding sleeve 14 and is in threaded connection with the first sliding sleeve 14. The relative height of the laser ranging sensor 16 can be adjusted through the first sliding sleeve 14, so that the laser ranging sensor 16 and the light barrier 15 are at a reasonable distance.

In this embodiment, the end of the support rod 2 is fixed on the second sliding sleeve 18, the second sliding sleeve 18 is slidably sleeved on the support rod 2, and a limiting screw for limiting is also arranged on the second sliding sleeve 18, and the limiting screw is in threaded connection with the second sliding sleeve 18. The relative height of the spring 12 vibrator can be adjusted through the second sliding sleeve 18, so that the spring 12 vibrator is ensured to be in a proper position in the test container 8.

In this embodiment, the cross section of the supporting member 13 is in an L-shaped structure, the horizontal end of the supporting member 13 is provided with a plurality of through holes along the length direction, and the vibrator of the spring 12 is suspended on the through holes. Through the through holes of changing different positions, the relative positions of the spring 12 vibrators in the horizontal direction are facilitated, and the spring 12 vibrators are ensured to be positioned at proper positions in the test container 8.

In this embodiment, the spring 12 oscillator includes the spring 12 of vertical setting, and the upper end of spring 12 hangs on the through-hole through the couple, and the lower extreme of spring 12 is provided with movable block 11, and the light barrier 15 is fixed on movable block 11, and the lower extreme of movable block 11 is provided with vertical stereoplasm haulage rope 10, and the lower extreme of stereoplasm haulage rope 10 is provided with net 9, is provided with the metal spheroid in the net 9.

In this embodiment, the lower end of the movable block 11 is also provided with a hook, and the upper end of the hard traction rope 10 is suspended on the hook of the movable block 11 through a pull ring, so that the installation and the disassembly are convenient.

In this embodiment, still include setting up the stock solution container 1 on base 3, the bottom of stock solution container 1 passes through water pipe 5 with the bottom of test container 8 and is connected, is provided with control valve 7 and two-way water pump 6 on the water pipe 5, and control valve 7 and two-way water pump 6 even controller electricity are connected, and control valve 7 adopts the solenoid valve. Before the test starts, water can be injected into the test container 8 through the two-way water pump 6, and after the test is finished, the test container 8 can be pumped into the liquid storage container 1 for storage.

In this embodiment, the remote controller further comprises a power module and a remote controller, wherein the power module is electrically connected with the controller, and the remote controller is electrically connected with the controller through a wireless module.

The method for carrying out measurement test by using the measuring device comprises the following steps:

S1, firstly, assembling a measuring device;

S2, electrifying the electromagnet 4, and pulling the metal sphere to move downwards and be absorbed and held by the electromagnet 4;

S3, starting a bidirectional water pump 6, opening a control valve 7, and extracting the fluid to be tested in the liquid storage container 1, so as to ensure that the height of the fluid to be tested in the test container 8 can enable the metal ball body to vibrate in the fluid to be tested completely;

s4, electrifying and powering off the electromagnet 4, performing weak damping vibration on the metal sphere in the fluid to be measured under the action of the elasticity of the spring 12, and acquiring and measuring displacement change of the metal sphere in the weak damping vibration process by the laser ranging sensor 16;

And S5, the acquired displacement change data are stored in an upper computer, so that the viscosity coefficient of the measured fluid can be conveniently analyzed subsequently.

According to the measuring device, automatic spring 12 vibration starting and vibration displacement ranging can be achieved, the laser ranging sensor 16 is used for ranging, test data acquisition errors brought by human participation in a test process can be effectively reduced, the intelligent degree of the whole device is high, an operator can operate a remote controller by hand, the test difficulty is greatly reduced, the measuring efficiency and accuracy are improved, and the measuring device is convenient and concise to use.

Claims (9)

1. The utility model provides a viscous coefficient measuring device based on spring oscillator, its characterized in that, includes the base, the upper end of base is provided with vertical bracing piece, the upper end of bracing piece is provided with horizontally support piece, be provided with the vertically decurrent spring oscillator on the support piece, the metal spheroid of spring oscillator lower extreme sets up in transparent test container, the upper end opening, the lower extreme of test container are fixed on the base, the bottom of test container is provided with the electro-magnet, be provided with laser ranging sensor between test container and the support piece, be provided with the barn door on the spring oscillator, the barn door cooperates the upper and lower vibration data of measuring spring oscillator in test container with laser ranging sensor, electro-magnet all are connected with the controller electricity.

2. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 1, wherein the laser ranging sensor is installed on a horizontally arranged telescopic rod through a clamping piece, and the laser ranging sensor is located right above the light barrier.

3. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 2, wherein the end part of the telescopic rod is fixed on the first sliding sleeve, the first sliding sleeve is arranged on the supporting rod in a sliding sleeve mode, and a limiting screw used for limiting is arranged on the first sliding sleeve and is in threaded connection with the first sliding sleeve.

4. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 1, wherein the end portion of the supporting rod is fixed on the second sliding sleeve, the second sliding sleeve is slidably sleeved on the supporting rod, and a limiting screw for limiting is also arranged on the second sliding sleeve and is in threaded connection with the second sliding sleeve.

5. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 1, wherein the cross section of the supporting member is in an L-shaped structure, the horizontal end of the supporting member is provided with a plurality of through holes along the length direction, and the spring vibrator is hung on the through holes.

6. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 5, wherein the spring vibrator comprises a vertically arranged spring, the upper end of the spring is hung on the through hole through a hook, a movable block is arranged at the lower end of the spring, the light barrier is fixed on the movable block, a vertical hard traction rope is arranged at the lower end of the movable block, a net is arranged at the lower end of the hard traction rope, and a metal ball is arranged in the net.

7. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 6, wherein the lower end of the movable block is also provided with a hook, and the upper end of the hard traction rope is hung on the hook of the movable block through a pull ring.

8. The device for measuring the viscosity coefficient based on the spring vibrator according to claim 1, further comprising a liquid storage container arranged on the base, wherein the bottom of the liquid storage container is connected with the bottom of the test container through a water pipe, a control valve and a bidirectional water pump are arranged on the water pipe, and the control valve is electrically connected with a bidirectional water pump uniformity controller.

9. The spring vibrator-based viscosity coefficient measuring device of claim 1, further comprising a power module and a remote controller, wherein the power module is electrically connected with the controller, and the remote controller is electrically connected with the controller through a wireless module.