CN217450034U

CN217450034U - Automatic quantitative liquid dispensing device

Info

Publication number: CN217450034U
Application number: CN202220351051.9U
Authority: CN
Inventors: 米章毅; 张皎; 王雯; 程冲
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-09-20
Anticipated expiration: 2032-02-21

Abstract

The utility model provides an automatic quantitative liquid dispensing device, which comprises a shell, wherein a first water tank, a container and a power supply are arranged in the shell; a controller is arranged outside the shell; the first water tank is connected with the container through a first water delivery hose, and the first water delivery hose is provided with a first one-way water outlet valve, a vibration pump, a flow meter and a water inlet electromagnetic valve; the flow meter, the water inlet electromagnetic valve and the vibration pump are respectively and electrically connected with a power supply, and the water inlet electromagnetic valve, the flow meter and the vibration pump are respectively and electrically connected with the controller; the controller is used for setting up the inflow and controlling opening of electromagnetic valve, flowmeter and the reciprocating pump of intaking, and the flowmeter gives the controller with the flow data transmission who gathers, and when the inflow that the controller set up was reachd to the flow, the controller control electromagnetic valve of intaking and reciprocating pump closed. The utility model discloses a required liquid measure of flowmeter ability accurate determination, required water yield is got to the automatic control volume, guarantees high efficiency and the degree of accuracy height, has solved the problem that traditional laboratory graduated flask beaker can't be many times quantitative preparation liquid fast many times.

Description

Automatic quantitative liquid dispensing device

Technical Field

The utility model belongs to the technical field of experimental facilities, concretely relates to automatic liquid device is joined in marriage to ration.

Background

A solution is a homogeneous, stable mixture of two substances, the dispersed substance (solute) being dispersed as molecular or smaller particles in the other substance (solvent). The aggregate state can be divided into three categories: gaseous solutions, liquid solutions and solid solutions, where liquid solution formulation is the most basic technique that laboratory analysts should possess and is also a must-choice in every day work.

The general solution formulation procedure is as follows: calculating the mass of a solid solute or the volume of a liquid solution required for preparation, weighing the solid mass by using a tray balance, measuring the liquid volume by using a measuring cylinder or a pipette, dissolving or diluting the solute in a beaker, checking whether the volumetric flask leaks water or not when the temperature is reduced to room temperature, carefully pouring the solution cooled in the beaker into the volumetric flask with a certain volume along a glass rod, washing the beaker and the glass rod for 2-3 times by using distilled water, pouring a washing solution into a container, vibrating to uniformly mix the solution, adding water into the volumetric flask to a position 1-2 cm below a scale mark, and adding water by using a rubber head dropper to ensure that the liquid level of the concave solution is just tangent to the scale mark. The bottle stopper is covered, and the bottle stopper is turned upside down repeatedly, so that the solution is mixed uniformly.

The prepared solution needs to be measured, the existing instrument for measuring the solution mainly comprises a beaker, a measuring cylinder and the like, and the solution is put into a required container after being measured or is sucked into a syringe for experiment. The measuring instrument and the method for preparing the solution are suitable for measuring and preparing the solution once. However, to the accurate volume of many times getting, join in marriage liquid repeatedly and join in marriage the more condition of liquid kind, utilize beaker and volumetric flask to carry out artifical repetitive operation and ensure whether the result reaches the experiment demand when, the operating procedure is very loaded down with trivial details, wastes time and energy to there is certain error, in addition, repeatedly with volumetric flask and beaker join in marriage liquid process, can greatly reduced experimental efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the problem that traditional laboratory preparation mode exists, the utility model provides an automatic liquid device is joined in marriage to the ration improves the efficiency of preparing solution to a certain extent, solves traditional laboratory and can not join in marriage liquid automatically and get and prepare the problem of liquid many times to simplify the step of this flow in the experiment.

The utility model discloses a following technical scheme realizes:

the automatic quantitative liquid preparation device comprises a shell, wherein a first water tank, a container and a power supply are arranged in the shell; a controller is arranged outside the shell;

the first water tank is connected with the container through a first water delivery hose, and a first one-way water outlet valve, a vibration pump, a flowmeter and a water inlet electromagnetic valve are arranged on the first water delivery hose;

the flow meter, the water inlet electromagnetic valve and the vibration pump are respectively and electrically connected with a power supply, and the water inlet electromagnetic valve, the flow meter and the vibration pump are respectively and electrically connected with the controller;

the controller is used for setting up the inflow and controlling opening of electromagnetic valve, flowmeter and the reciprocating pump of intaking, and the flowmeter gives the controller with the flow data transmission who gathers, and when the inflow that the controller set up was reachd to the flow, the controller control electromagnetic valve of intaking and reciprocating pump closed.

Preferably, a second water tank is further arranged in the shell, the first water tank is connected with the second water tank through a first water delivery hose, and the second water tank is connected with the container through a second water delivery hose.

Furthermore, a second one-way water outlet valve is arranged on the second water delivery hose.

Preferably, a motor is further arranged in the shell, a stirrer is arranged in the container, and an output shaft of the motor is connected with the stirrer.

Further, be provided with on the lateral wall of shell and put the thing platform, the container is placed and is put the thing bench, and the motor is located and puts thing platform below.

Furthermore, the position department that the shell corresponds with putting the thing platform is provided with the splashproof door, and when the splashproof door was opened, can put into the container and put the thing platform or take out from putting the thing platform.

Further, the motor is electrically connected with a power supply.

Preferably, a component arranging box is arranged on the outer side wall of the shell, and the controller is arranged in the component arranging box.

Preferably, the top of the shell is provided with an upper cover.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses liquid device is joined in marriage to automatic ration disposes the flowmeter, and its effect is the total amount of survey liquid through the solenoid valve after the solenoid valve starts, can accurate determination required liquid measure through the flowmeter, and automatic control volume is got required water yield, need not observe the scale repeatedly, guarantees that high efficiency and degree of accuracy are high, has effectively solved the problem that traditional laboratory graduated flask beaker can't be many times the ration prepare liquid fast. Additionally, the utility model discloses the operation is simple and easy, and all operations do not need other instruments, and the utility model discloses structural design is compact, along with opening the usefulness, need not set up the parameter repeatedly.

Furthermore, the second water tank stores water flow from the flow meter, so that water can be discharged in the container after solute is filled and prepared completely and the second one-way water outlet valve is opened. Meanwhile, the second water tank plays a role of a relay station, so that the condition that a pipeline is blocked due to the fact that the second one-way water outlet valve is not opened after the flowmeter and the vibration pump are started can be avoided.

Furthermore, the container can be put into or taken out through the splash-proof door, and simultaneously, the splash-proof door is closed during the use, and liquid splashes when solution is prepared, and the damage to the environment and operators is avoided.

Drawings

FIG. 1 is a front sectional view of the automatic quantitative liquid dispensing device of the present invention;

FIG. 2 is a left side sectional view of the automatic quantitative liquid dispensing device of the present invention;

in the figure: 1. the water-saving water dispenser comprises an upper cover, a shell, a first water tank, a first electric wire, a second electric wire, a first one-way water outlet valve, a first water delivery hose, a power supply, a power switch, a vibration pump, a third electric wire, a fourth electric wire, a motor, an output shaft, a stirring blade, a container, a second water delivery hose, a second one-way water outlet valve, a second water tank, a water inlet electromagnetic valve, a fifth electric wire, a flowmeter, a flow meter, a component sorting box, an operation button, a sixth electric wire, a flow meter, a motor switch, a splash-proof door and a water-proof baffle, wherein the upper cover is 2, the shell is 3, the first water tank, the second electric wire is 4, the second electric wire is 5, the second electric wire is 6, the first one-way water outlet valve is 7, the first water delivery hose is 8, the power supply is 9, the power supply switch is 10, the vibration pump is 10, the third electric wire, the fourth electric wire is 12, the water inlet electromagnetic valve is 13, the second electric wire is 13, the output shaft is 15, the second water delivery hose is 18, the second one-way water delivery one-way water outlet valve is 18, the second one-way water outlet valve is 18, the second water-way water-one-way water outlet valve is 18, the second water-one-way water-one-way water-one-way water-one-way water-one-way water outlet valve is 18, the second water outlet valve is 18, the one-way water-one-way water outlet valve is 18, the one-.

Detailed Description

For further understanding of the present invention, the present invention will be described with reference to certain embodiments, which are intended to be illustrative of the features and advantages of the present invention, but not limiting to the claims of the present invention.

The utility model discloses automatic liquid device is joined in marriage to ration, as shown in fig. 1 and fig. 2, the device except the accessory that needs external control, other essential elements all concentrate on the inside of shell 2, wholly are a box structure. The upper part of the shell 2 is provided with an upper cover 1, and a first water tank 3, a second water tank 19, a container 16, a power supply 8 and a motor 13 are arranged in the shell. An element arranging box 23 is arranged outside the shell 2, a controller is arranged inside the element arranging box, and an LED display screen and an operating button are arranged outside the element arranging box.

The first water tank 3 is connected to the second water tank 19 by a first water hose 7. The first water delivery hose 7 is provided with a first one-way water outlet valve 6 which is opened and closed by manual control and is also provided with a vibration pump 10, a flowmeter 22 and a water inlet electromagnetic valve 20. The flow meter 22 is connected to the power supply 8 through the second electric wire 5, and the water inlet solenoid valve 20 is connected to the power supply 8 through the first electric wire 4. The controller can control the on-off of the water inlet electromagnetic valve 20 according to the water quantity value set by the flowmeter 22. The vibration pump 10 is connected to the power source 8 through a third electric wire 11. The power switch 9 controls the power supply 8 to be turned on and off, and in order to prevent the risk of water leakage from the first water tank 3, the second water tank 19, the water hose 7 and the like, the power supply 8 and the motor 13 are separated by a water-stop baffle 29.

A second water hose 17 is connected to the lower part of the second water tank 19, and the second water tank 19 is connected to the container 16 through the second water hose 17. The second water delivery hose 17 is provided with a second one-way water outlet valve 18 which is manually opened and closed. The second tank 19 stores the flow from the flow meter 22, ensuring that the second one-way outlet valve 18 is opened to allow water to exit after the solute in the container 16 is filled and ready for completion, while avoiding the second one-way outlet valve 18 not being opened to allow water to enter after the flow meter 22 and the vibration pump 10 are activated, so that the second tank 19 functions as a relay station. The valve switches of the first one-way water outlet valve 6 and the second one-way water outlet valve 18 are arranged outside the shell 2, so that manual control is facilitated. A placing space is arranged below the second water delivery hose 17, a container 16 filled with solute can be placed in the placing space, the solute needs to be weighed outside independently, the container 16 can be taken out by lifting upwards, and when the device is used, the groove at the bottom of the container 16 is aligned with the output shaft 14 of the motor 13 to be installed. The stirrer is arranged in the container 16, the stirrer and the container 16 are integrated, after the container 16 is installed, the stirrer is connected with the output shaft 14, and the output shaft 14 can drive the stirrer in the container to rotate. The side wall of the housing for holding the container 16 is provided with a splash door 28, the splash door 28 is provided with a rotating shaft which can be rotated laterally and opened outwards, and the splash door 28 is closed in use, so that liquid splashing when solution is prepared is avoided, and the environment and operators are prevented from being injured. The output shaft 14 is driven by a motor 13, the motor 13 is connected with the power supply 8 through a fourth wire 12, and the switch 27 can control the on of the motor 13.

The controller is connected with the flowmeter 22 through a sixth wire 25, is connected with the vibration pump 10 through a seventh wire 26, and is connected with the water inlet electromagnetic valve 20 through a fifth wire 21, and the controller can control the opening and closing of the water inlet electromagnetic valve 20 and the vibration pump 10 according to the water quantity value of the flowmeter 22. The function setting of the controller is performed by operating the button 24. The operation buttons 24 function to set flow, delete, confirm, start, and reset.

First water tank and second water tank are PE plastics material, and first water delivery hose and second water delivery hose adopt plastics material, and soft easily crooked not fragile.

The specific structure of the stirrer mainly comprises a stirring part with a stirring blade 15, which is arranged at the bottom of the container.

Each water inlet and outlet valve can be independently controlled and is divided into automatic control and manual control.

When the device is used, all valves are closed, the upper cover 1 is opened, sufficient clear water is poured into the first water tank 3, the water quantity is ensured to meet the requirement of the solution quantity configured at this time, the container 16 is lifted upwards and taken out, weighed solute is put into the container, then the container is put back, the anti-splash door 28 is closed, the switch 9 on the power supply 8 is opened, the numerical value of the required water quantity is set through the controller, the operation button 24 is clicked, the first one-way water outlet valve 6 is opened, the controller transmits signals through the sixth electric wire 25, the seventh electric wire 26 and the fifth electric wire 21, the flow meter 22, the vibration pump 10 and the water inlet electromagnetic valve 20 are started, the water flow transportation is started, the water flow is conveyed into the second water tank 19 through the first water conveying hose 7 by the vibration pump 10, the flow meter 22 measures the flow and transmits the signals to the controller through the sixth electric wire 25, when the water flow reaches the required quantity, the controller transmits the signals through the fifth electric wire 21, the water inlet solenoid valve 20 is closed and the controller transmits a signal to the vibration pump 10 via the seventh wire 26 to close it. Thus, the required amount of clean water is obtained in the second water tank 19, then the second one-way water outlet valve 18 is manually opened to enable the clean water to flow into the container 16 through the second water delivery hose 17, the splash door 28 is closed, then the switch 27 of the motor 13 is opened to enable the output shaft 14 to drive the stirring blade 15 to rotate, so that the solute and the clean water are fully mixed, then the motor switch 27 is closed, the splash door 28 is opened, and the container 16 is taken out, so that the required liquid preparation can be obtained. All valves need to be closed after each time.

At the next liquid preparation, without setting the required water quantity value again, the first one-way water outlet valve 6 and the second one-way water outlet valve 18 which are manually opened are opened, and then the operating button 24 is opened, at this time, the volume of water obtained in the second water tank 19 is the same as the previous time. If it is desired to change the volume of fresh water required, the operator button 24 is clicked directly and the desired value is set. If the water in the first water tank 3 is to be discharged completely, the operation button 24 is directly opened without setting the numerical value displayed on the component arrangement box 23, so that the water flows out from the second one-way water outlet valve 18, and the water flow is guided out through the external water delivery hose. The utility model discloses automatic liquid device is joined in marriage to ration, simple structure, through the accurate numerical value that sets up of flowmeter, the time of volume of catchmenting is got to the saving volume, and each part can separately control, flexible operation.

Claims

1. The automatic quantitative liquid dispensing device is characterized by comprising a shell (2), wherein a first water tank (3), a container (16) and a power supply (8) are arranged in the shell (2); a controller is arranged outside the shell (2);

the first water tank (3) is connected with the container (16) through a first water delivery hose (7), and a first one-way water outlet valve (6), a vibration pump (10), a flow meter (22) and a water inlet electromagnetic valve (20) are arranged on the first water delivery hose (7);

the flow meter (22), the water inlet electromagnetic valve (20) and the vibration pump (10) are respectively and electrically connected with the power supply (8), and the water inlet electromagnetic valve (20), the flow meter (22) and the vibration pump (10) are respectively and electrically connected with the controller;

the controller is used for setting water inflow and controlling the opening of the water inflow electromagnetic valve (20), the flow meter (22) and the vibration pump (10), the flow meter (22) transmits collected flow data to the controller, and when the flow reaches the water inflow set by the controller, the controller controls the water inflow electromagnetic valve (20) and the vibration pump (10) to be closed.

2. An automatic dosing device according to claim 1, characterized in that a second water tank (19) is arranged in the housing (2), the first water tank (3) being connected to the second water tank (19) via a first water hose (7), the second water tank (19) being connected to the container (16) via a second water hose (17).

3. An automatic dosing device according to claim 2, characterised in that the second water hose (17) is provided with a second one-way outlet valve (18).

4. The automatic dosing and dispensing device according to claim 1, characterized in that a motor (13) is further provided in the housing (2), a stirrer is provided in the container (16), and an output shaft (14) of the motor (13) is connected to the stirrer.

5. The apparatus according to claim 4, wherein a stand is provided on a side wall of the housing (2), the container (16) is placed on the stand, and the motor (13) is located below the stand.

6. The automatic metered dose dispensing apparatus of claim 5, wherein the housing (2) is provided with a splash door (28) at a position corresponding to the placement stage, and the container (16) can be placed in or taken out from the placement stage when the splash door (28) is opened.

7. The automatic dosing device according to claim 4, characterized in that the motor (13) is electrically connected to the power source (8).

8. The automatic dosing device according to claim 1, wherein a component arranging box (23) is provided on an outer side wall of the housing, and the controller is provided in the component arranging box (23).

9. The automatic dosing and dispensing device according to claim 1, characterized in that the top of the housing (2) is provided with an upper cover (1).