Automatic blending and filling system for mixed solution

Abstract

The utility model discloses an automatic mixed solution blending and filling system, which is used for automatically blending two solutions with different concentrations, and is characterized in that a first concentration solution tank is connected with an inlet of a circulating pump through a first concentration solution regulating valve and a first solution preparation ball valve; a second concentration solution tank is connected with an inlet of the circulating pump through a second concentration solution regulating valve and a liquid preparation ball valve I; the concentration control solution tank is connected with a second concentration solution tank through an overflow ball valve, is connected with an inlet of the circulating pump through a liquid preparation ball valve I, and is connected with a liquid adding ball valve II through a liquid ball valve II; the first concentration solution adjusting valve and the second concentration solution adjusting valve are matched to adjust the mixing ratio of high-concentration solution and low-concentration solution; the reverser is respectively connected with the first concentration solution regulating valve and the second concentration solution regulating valve, and outputs a control electric signal to control the reverse action of the first concentration solution regulating valve and the second concentration solution regulating valve; the concentration controller outputs different electric signals to the inverter according to the liquid concentration; the concentration meter measures the concentration of the solution in the concentration control solution tank in real time.

Description

Technical Field

[0001] The utility model relates to the industrial field, in particular to an automatic blending and filling system for a mixed solution used in automobile air-conditioning testing. Background Art

[0002] In industrial applications and testing, especially in the automotive industry, many test systems require the addition of chemical mixtures of varying concentrations and ratios. Many mixtures are made by blending pure solutions with distilled / purified water or other solutions, and the blending process is often automated based on the user's actual concentration requirements.

[0003] The existing method for blending liquids of varying concentrations involves adding Solution A, then Solution B, to the system based on experience. After circulating the system, the mixed solution is manually released to measure the concentration. If the concentration of Solution A is too high, Solution B is added to neutralize it. If the concentration of Solution A is too low, Solution A is added again. This cycle is repeated several times to achieve accurate blending. This existing method is cumbersome and extremely inefficient.

[0004] Therefore, there is an urgent need for an automatic blending and filling solution for liquids of different concentrations that can improve blending efficiency and automation. Utility Model Content

[0005] The Summary of the Utility Model introduces a series of simplified concepts, which are simplifications of existing technologies in the field and are further described in detail in the Detailed Description of the Utility Model. The Summary of the Utility Model of this utility model is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0006] The technical problem to be solved by the utility model is to provide a mixed solution automatic blending and filling system which can automatically blend and fill liquids of different concentrations according to required concentrations.

[0007] To solve the above technical problems, the present invention provides an automatic blending and filling system for mixed solutions, which is used to automatically blend two solutions of different concentrations to achieve a solution of the required concentration and to achieve filling, including:

[0008] Circulation pump 11, used to provide circulation power for solution blending and filling;

[0009] The first concentration solution tank 12 is used to store and provide the first concentration solution for blending, which is connected to the inlet of the circulation pump 11 through the first concentration solution regulating valve 15 and the liquid dispensing ball valve 18;

[0010] The second concentration solution tank 13 is used to store and provide the second concentration solution for blending, and at the same time provides an overflow space for the concentration control solution tank. It is connected to the inlet of the circulation pump 11 through the second concentration solution regulating valve 16 and the liquid dispensing ball valve 18;

[0011] The concentration control solution tank 14 is used to store the solution of the required blending concentration and provide the solution of qualified concentration for the system filling. It is connected to the second concentration solution tank 13 through the overflow ball valve 17. It is also connected to the inlet of the circulation pump 11 through the liquid distribution ball valve 18 and connected to the liquid addition ball valve 2 21 through the liquid ball valve 2 19;

[0012] The first concentration solution regulating valve 15 is used to cooperate with the second concentration solution regulating valve 16 to adjust the mixing ratio of the high and low concentration solutions;

[0013] The second concentration solution regulating valve 16 is used to cooperate with the first concentration solution regulating valve 15 to adjust the mixing ratio of the high and low concentration solutions;

[0014] The overflow ball valve 17 is connected between the concentration control solution tank 14 and the second concentration solution tank 13. It is used to overflow the concentration control solution tank 14 into the second concentration solution tank 13 after the blending is completed. It is a normally open valve;

[0015] Liquid dispensing ball valve 18 and liquid dispensing ball valve 2 19 are used to form a blending cycle during the blending stage. They are opened during the blending stage and closed during the filling stage.

[0016] Filling ball valve 1 20 and liquid filling ball valve 2 21 are used to form a filling cycle during the filling stage. They are closed during the blending stage and opened during the filling stage.

[0017] The system connecting pipe 22 is used to connect the components in series to form a complete system blending system;

[0018] The inverter 23 is connected to the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 respectively, and controls the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 to move in opposite directions according to the electric signal output by the concentration controller (24), thereby achieving a reasonable ratio of high and low concentration solutions and blending;

[0019] The concentration controller 24 outputs different electrical signals to the inverter 23 according to the liquid concentration collected by the concentration meter, thereby controlling the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 to move in opposite directions, thereby achieving a reasonable ratio of high and low concentration solutions and blending. The concentration controller 24 can be implemented using hardware such as a PLC circuit, a PLC controller, and a multiplexer.

[0020] The concentration meter is used to measure the concentration of the solution in the concentration control solution tank 14 in real time, and feed it back to the concentration controller 24 to guide the operation of the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16, ultimately achieving accurate concentration blending.

[0021] Preferably, the automatic blending and filling system of the mixed solution is further improved, and the circulating pump 11 is a fixed frequency water pump or a variable frequency water pump. Accordingly, the circulating pump 11 can also be selected from other existing power circulation devices.

[0022] Preferably, the automatic blending and filling system of the mixed solution is further improved, and the first concentration solution tank 12 is the first original solution storage tank, which is a non-metallic tank body, or can be a non-metallic tank body, which is formed into a cylindrical or rectangular or other shaped storage tank, and can be a standard tank body or a homemade tank body.

[0023] Preferably, the automatic blending and filling system of the mixed solution is further improved, and the second concentration solution tank 13 is a second original solution storage tank, which is a non-metallic tank body, or can be a non-metallic tank body, which is formed into a cylindrical or rectangular or other shaped storage tank, and can be a standard tank body or a homemade tank body.

[0024] Preferably, the automatic blending and filling system of the mixed solution is further improved, and the concentration control solution tank 14 is a non-metallic tank body, or a non-metallic tank body, which is formed into a cylinder or a rectangular parallelepiped or other shape liquid storage tank, which can be a standard tank body or a homemade tank body.

[0025] Preferably, the automatic mixed solution blending and filling system is further improved, wherein the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 are electric regulating valves, pneumatic regulating valves, ball valves, or needle valves. Accordingly, the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 may also be other conventional flow control devices.

[0026] Preferably, the automatic mixed solution blending and filling system is further improved, wherein the overflow ball valve 17, the first liquid distribution ball valve 18, the second liquid distribution ball valve 19, the first filling ball valve 20, and the second filling ball valve 21 are ball valves, butterfly valves, or gate valves. Accordingly, the overflow ball valve 17, the first liquid distribution ball valve 18, the second liquid distribution ball valve 19, the first filling ball valve 20, and the second filling ball valve 21 may also be other flow control devices of the prior art.

[0027] Preferably, the automatic blending and filling system for the mixed solution is further improved, and the concentration meter is a volume concentration meter, a mass concentration meter or a density meter.

[0028] Preferably, the automatic blending and filling system of the mixed solution is further improved so that the first concentration is greater than the second concentration.

[0029] The components include a circulation pump 11, a first concentration solution tank 12, a second concentration solution tank 13, a concentration control solution tank 14, a first concentration solution regulating valve 15, a second concentration solution regulating valve 16, an overflow ball valve 17, a first dispensing ball valve 18, a second dispensing ball valve 19, a first filling ball valve 20, a second filling ball valve 21, system connecting pipes 22, a reverser 23, a concentration controller 24, and a concentration meter. These components are neatly and rationally arranged and installed within the equipment frame, forming a complete product. This utility model can automatically blend and fill two solutions of different concentrations in industry, operating stably and reliably, at low cost, and with easy maintenance.

[0030] The working principle of the present invention is as follows: solution A is contained in the first concentration solution tank 12, and solution B is contained in the second concentration solution tank 13, which can be pure water, distilled water or other. The overflow ball valve 17, the liquid dispensing ball valve 18 and the liquid dispensing ball valve 2 19 are opened, the target concentration is set in the concentration controller 24, the circulation pump 11 is turned on, and the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 are automatically adjusted to complete the automatic blending of the target concentration; before the target concentration is reached, the liquid level of the concentration control solution tank 14 is too high, and the solution will flow back to the second concentration solution tank 13 through the overflow ball valve 17 and participate in the blending again until the target concentration is fully reached; then, the circulation pump 11 is stopped, the liquid dispensing ball valve 18 and the liquid dispensing ball valve 2 19 are closed, the filling port of the system is connected to the system that needs to be filled using the system connecting pipe 22, the filling ball valve 1 20 and the liquid dispensing ball valve 2 21 are opened, and the circulation pump 11 is turned on to automatically fill the system.

[0031] The utility model has the advantages of being able to automatically blend mixed solutions and having a filling function, which can effectively improve efficiency and has a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings herein are intended to illustrate the general characteristics of methods, structures, and / or materials used in certain exemplary embodiments of the present invention, supplementing the descriptions in the specification. However, the drawings herein are schematic diagrams not drawn to scale and may not accurately reflect the precise structure or performance characteristics of any given embodiment. The drawings herein should not be interpreted as defining or limiting the range of values ​​or properties encompassed by the exemplary embodiments of the present invention. The present invention is further described in detail below in conjunction with the drawings and specific embodiments:

[0033] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0034] Description of Reference Numerals

[0035] Circulation pump 11

[0036] First concentration solution tank 12

[0037] Second concentration solution tank 13

[0038] Concentration control solution tank 14

[0039] First concentration solution regulating valve 15

[0040] Second concentration solution regulating valve 16

[0041] Overflow ball valve 17

[0042] Liquid distribution ball valve 18

[0043] Liquid distribution ball valve 219

[0044] Filling ball valve 20

[0045] Liquid filling ball valve 21

[0046] System connecting pipe 22

[0047] Inverter 23

[0048] Concentration controller 24. DETAILED DESCRIPTION

[0049] The following describes the embodiments of the present invention through specific embodiments. Those skilled in the art can fully understand the other advantages and technical effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through different specific embodiments, and the details in this specification can also be applied based on different viewpoints, and various modifications or changes can be made without departing from the overall design concept of the invention. It should be noted that, in the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other. The following exemplary embodiments of the present invention can be implemented in a variety of different forms and should not be interpreted as being limited to the specific embodiments described here. It should be understood that these embodiments are provided to make the disclosure of the present invention thorough and complete, and to fully convey the technical solutions of these exemplary embodiments to those skilled in the art. It should be understood that when an element is referred to as being "connected" or "coupled" to another element, the element can be directly connected or coupled to the other element, or there can be an intermediate element. The difference is that when an element is referred to as being "directly connected" or "directly coupled" to another element, there is no intermediate element. In all figures, the same figure numerals always represent the same element. As used herein, the term "and / or" includes any and all combinations of one or more related listed items.

[0050] Example

[0051] refer to Figure 1 As shown, the utility model provides an automatic blending and filling system for mixed solutions, which is used for automatically blending two solutions of different concentrations, for example, the first concentration is greater than the second concentration, and includes:

[0052] Circulation pump 11, used to provide circulation power for solution blending and filling;

[0053] The first concentration solution tank 12 is used to store and provide the first concentration solution for blending, which is connected to the inlet of the circulation pump 11 through the first concentration solution regulating valve 15 and the liquid dispensing ball valve 18;

[0054] The second concentration solution tank 13 is used to store and provide the second concentration solution for blending, and at the same time provides an overflow space for the concentration control solution tank. It is connected to the inlet of the circulation pump 11 through the second concentration solution regulating valve 16 and the liquid dispensing ball valve 18;

[0055] The concentration control solution tank 14 is used to store the solution of the required blending concentration and provide the solution of qualified concentration for the system filling. It is connected to the second concentration solution tank 13 through the overflow ball valve 17. It is also connected to the inlet of the circulation pump 11 through the liquid distribution ball valve 18 and connected to the liquid addition ball valve 2 21 through the liquid ball valve 2 19;

[0056] The first concentration solution regulating valve 15 is used to cooperate with the second concentration solution regulating valve 16 to adjust the mixing ratio of the high and low concentration solutions;

[0057] The second concentration solution regulating valve 16 is used to cooperate with the first concentration solution regulating valve 15 to adjust the mixing ratio of the high and low concentration solutions;

[0058] An overflow ball valve 17 is connected between the concentration control solution tank 14 and the second concentration solution tank 13, and is used to overflow the concentration control solution tank 14 into the second concentration solution tank 13 after the concentration control solution tank 14 is full before blending is completed;

[0059] Liquid dispensing ball valve 18 and liquid dispensing ball valve 2 19 are used to form a blending cycle during the blending stage. They are opened during the blending stage and closed during the filling stage.

[0060] Filling ball valve 1 20 and liquid filling ball valve 2 21 are used to form a filling cycle during the filling stage. They are closed during the blending stage and opened during the filling stage.

[0061] The system connecting pipe 22 is used to connect the components in series to form a complete system blending system;

[0062] The inverter 23 is connected to the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 respectively, and controls the first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 to move in opposite directions according to the electric signal output by the concentration controller (24);

[0063] The concentration controller 24 outputs different electrical signals to the inverter 23 according to the liquid concentration collected by the concentration meter;

[0064] The concentration meter is used to measure the concentration of the solution in the concentration control solution tank 14 in real time.

[0065] Wherein, the circulating pump 11 is a fixed frequency water pump or a variable frequency water pump;

[0066] The first concentration solution tank 12 is a first original solution storage tank, which is a non-metallic tank body, and is formed into a cylinder or a rectangular parallelepiped;

[0067] The second concentration solution tank 13 is a second original solution storage tank, which is a non-metallic tank body, which is formed into a cylinder or a rectangular parallelepiped;

[0068] The concentration control solution tank 14 is a non-metallic tank formed into a cylinder or a rectangular parallelepiped;

[0069] The first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 are electric regulating valves, pneumatic regulating valves, ball valves or needle valves;

[0070] Overflow ball valve 17, liquid distribution ball valve 18, liquid distribution ball valve 2 19, filling ball valve 1 20 and filling ball valve 2 21 are ball valves, butterfly valves or gate valves;

[0071] A concentration meter is a volume concentration meter, a mass concentration meter or a density meter.

[0072] In addition, it should be understood that, although the terms "first", "second", etc. may be used herein to describe different elements, components, regions, layers and / or parts, these elements, components, regions, layers and / or parts should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or part from another element, component, region, layer or part. Therefore, without departing from the teachings of exemplary embodiments of the present invention, the first element, component, region, layer or part discussed below may also be referred to as the second element, component, region, layer or part.

[0073] For example, the present invention is described using the blending and filling of 50% volume concentration (v / v) ethylene glycol in the field of automobile testing as an example:

[0074] A 100% concentration ethylene glycol solution is filled in the first concentration solution tank 12, and pure water is filled in the second concentration solution tank 13. The overflow ball valve 17, the first dosing ball valve 18, and the second dosing ball valve 19 are opened. The target concentration of 50% v / v is set in the concentration controller 24. The circulation pump 11 is turned on. The first concentration solution regulating valve 15 and the second concentration solution regulating valve 16 automatically adjust the flow to complete the automatic blending of 50% volume concentration (v / v) ethylene glycol. Before the target concentration is reached, the liquid level in the concentration control solution tank 14 is too high, and the solution will flow back to the second concentration solution tank 13 through the overflow ball valve 17 and participate in the blending again until the target concentration is fully reached. Then, the circulation pump 11 is stopped, the first dosing ball valve 18 and the second dosing ball valve 19 are closed, the system filling port is connected to the system to be filled using the system connecting pipe 22, the filling ball valve 1 20 and the filling ball valve 2 21 are opened, and the circulation pump 11 is turned on to automatically fill the system.

[0075] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will also be understood that, unless expressly defined herein, terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, rather than being interpreted in an idealized or overly formal sense.

[0076] The present invention has been described in detail above by way of specific embodiments and examples, but these do not constitute limitations of the present invention. Without departing from the principles of the present invention, those skilled in the art may make many variations and improvements, which should also be considered within the scope of protection of the present invention.

Claims

1. A mixed solution automatic blending and filling system, which is used for automatic blending of two solutions of different concentrations, characterized in that: include: A circulation pump (11), used to provide circulation power for solution blending and filling; A first concentration solution tank (12) is used to store and provide a first concentration solution for blending, and is connected to the inlet of the circulation pump (11) through a first concentration solution regulating valve (15) and a liquid dispensing ball valve (18); The second concentration solution tank (13) is used to store and provide the second concentration solution for blending, and at the same time provides an overflow space for the concentration control solution tank, and is connected to the inlet of the circulation pump (11) through the second concentration solution regulating valve (16) and the liquid dispensing ball valve 1 (18); The concentration control solution tank (14) is used to store the solution of the required blending concentration and provide the solution of the qualified concentration for the system filling. It is connected to the second concentration solution tank (13) through the overflow ball valve (17), and is also connected to the inlet of the circulation pump (11) through the first liquid distribution ball valve (18), and is connected to the second liquid addition ball valve (21) through the second liquid ball valve (19); A first concentration solution regulating valve (15) is used to cooperate with a second concentration solution regulating valve (16) to adjust the mixing ratio of the high and low concentration solutions; A second concentration solution regulating valve (16) for cooperating with the first concentration solution regulating valve (15) to adjust the mixing ratio of the high and low concentration solutions; an overflow ball valve (17), connected between the concentration control solution tank (14) and the second concentration solution tank (13), and used for overflowing the concentration control solution tank (14) into the second concentration solution tank (13) after the blending is completed; Liquid dispensing ball valve 1 (18) and liquid dispensing ball valve 2 (19) are used to form a blending cycle in the blending stage, and are opened in the blending stage and closed in the filling stage; Filling ball valve 1 (20) and liquid filling ball valve 2 (21) are used to form a filling cycle in the filling stage, which are closed in the blending stage and opened in the filling stage; An invertor (23), which is connected to the first concentration solution regulating valve (15) and the second concentration solution regulating valve (16), respectively, and controls the first concentration solution regulating valve (15) and the second concentration solution regulating valve (16) to move in reverse according to the electrical signal output of the concentration controller (24); A concentration controller (24) which outputs different electrical signals to the inverter (23) according to the liquid concentration collected by the concentration meter; The concentration meter is used to measure the concentration of the solution in the concentration control solution tank (14) in real time.

2. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The circulation pump (11) is a fixed frequency water pump or a variable frequency water pump.

3. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The first concentration solution tank (12) is a first original solution storage tank, which is a non-metal tank body and is formed into a cylinder or a rectangular parallelepiped.

4. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The second concentration solution tank (13) is a second original solution storage tank, which is a non-metal tank body formed into a cylinder or a rectangular parallelepiped.

5. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The concentration control solution tank (14) is a non-metal tank body formed into a cylinder or a rectangular parallelepiped.

6. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The first concentration solution regulating valve (15) and the second concentration solution regulating valve (16) are electric regulating valves, pneumatic regulating valves, ball valves or needle valves.

7. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: The overflow ball valve (17), the first liquid distribution ball valve (18), the second liquid distribution ball valve (19), the first filling ball valve (20) and the second filling ball valve (21) are ball valves, butterfly valves or gate valves.

8. The automatic blending and filling system for mixed solution according to claim 1, characterized in that: A concentration meter is a volume concentration meter, a mass concentration meter or a density meter.

9. The automatic blending and filling system for mixed solutions according to any one of claims 1 to 8, characterized in that: The first concentration is greater than the second concentration.

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