Precise flow control gas circuit conveying device

Abstract

The utility model relates to the field of gas path conveying, and discloses a precise flow control gas path conveying device which comprises a main gas inlet, the outer wall of the main gas inlet is fixedly connected with a gas inlet precise switching module, and a safety relief valve is arranged in the gas inlet precise switching module. And one end of the main air inlet is fixedly connected to the interior of the safety relief valve, an air channel hose is fixedly connected to the interior of the air inlet precision switching module, and one end of the air channel hose is fixedly connected to the interior of the safety relief valve. According to the utility model, the gas inlet precision switching module is connected with the main gas inlet, the safety relief valve and the gas path hose and is of a three-way structure, gas passes through the safety relief valve in the gas inlet precision switching module and then enters the gas path hose from the inside of the gas inlet precision switching module for transmission, and the process adopts a modular structure; a plurality of air paths can be freely selected and additionally arranged, the safety pressure relief valve automatically relieves pressure when reaching the maximum value, and the air pressure safety is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of gas path transportation, in particular to a precise flow control gas path transportation device. Background Art

[0002] A precision flow control gas delivery device is a device used to deliver gas. Its main function is to accurately control gas flow to meet specific application requirements. These devices are usually used in medical, laboratory, industrial and other fields, where gas flow needs to be precisely controlled and adjusted. The device can control the gas flow with extremely high precision, usually fine-tuning within a very small range to meet the requirements of specific applications. Users can adjust the flow as needed to adapt it to different experiments, treatments or industrial processes. A precision flow control gas delivery device is a high-precision, stable gas delivery device used to accurately control gas flow to meet various application requirements.

[0003] Traditional precision flow control gas line conveying devices usually do not adopt a modular structure, which makes it inconvenient to freely choose to install multiple gas lines. In addition, the safety pressure relief valve is not easy to automatically release pressure when it reaches the maximum value, so further improvement is needed to ensure the safety of air pressure. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a precision flow control gas circuit conveying device, aiming to improve the problem that the prior art is not convenient for freely selecting and installing multiple gas circuits, and the safety pressure relief valve is not convenient for automatic pressure relief when reaching the maximum value to ensure the safety of air pressure.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A precision flow control air path delivery device comprises a main air inlet, an outer wall of the main air inlet is fixedly connected to an air inlet precision adapter module, a safety pressure relief valve is arranged inside the air inlet precision adapter module, one end of the main air inlet is fixedly connected to the inside of the safety pressure relief valve, an air path hose is fixedly connected to the inside of the air inlet precision adapter module, one end of the air path hose is fixedly connected to the inside of the safety pressure relief valve, and an adapter assembly is arranged on one end of the air path hose.

[0007] Preferably, the adapter assembly comprises a precision regulating valve, an outer wall of the precision regulating valve is fixedly connected to one end of an air hose, and an air outlet precision adapter module is arranged inside the precision regulating valve.

[0008] Preferably, a precision solenoid valve is provided on the outer wall of the air outlet precision adapter module.

[0009] Preferably, the interior of the air outlet precision adapter module is fixedly connected with a main air outlet.

[0010] Preferably, a precision flow meter is provided on the outer wall of the air outlet precision adapter module.

[0011] Preferably, the top end of the main air outlet is fixedly connected to a cavity.

[0012] Preferably, an electric control box is fixedly connected to the outer wall of the precision solenoid valve.

[0013] Preferably, a human-machine interaction screen is arranged inside the electric control box, and the outer wall of the precision solenoid valve is fixedly connected to the inside of the electric control box.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the air inlet precision adapter module connects the main air inlet, the safety pressure relief valve and the air hose, and is a three-way structure. When the gas is connected to the air hose through the air inlet precision adapter module, the gas passes through the safety pressure relief valve inside the air inlet precision adapter module and then enters the air hose from the inside of the air inlet precision adapter module for transmission. This process adopts a modular structure, and multiple air circuits can be freely selected and installed. The safety pressure relief valve automatically releases pressure when it reaches the highest value to ensure air pressure safety.

[0016] 2. In the utility model, the gas passes through the gas hose and then through the precision regulating valve into the gas outlet precision adapter module. The gas outlet precision adapter module is connected to the precision flow meter, precision solenoid valve, precision regulating valve and main gas outlet. In this process, the flow of each gas path can be separately regulated by the regulating valve without interfering with each other. In addition, mixed input of multiple gas paths in different proportions can be realized, enriching the diversity of operations.

[0017] 3. In the utility model, the precision flow meter, precision solenoid valve are connected with the electric control box and the human-machine interactive screen, and the gas enters the cavity through the main outlet of the gas delivery path. This process is controlled by a microcomputer and is an automated process. The number of gas path openings and closings, multi-gas path switching, ventilation time and other parameters can be set independently. The operation is simple, convenient and worry-free. In addition, the flow is displayed digitally, and the flow setting value is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a precision flow control gas path conveying device proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of an electric control box for a precision flow control gas path delivery device proposed by the utility model;

[0020] Figure 3 A schematic diagram of a precision flow meter for a precision flow control gas path conveying device proposed by the utility model.

[0021] Legend:

[0022] 1. Main air inlet; 2. Air inlet precision adapter module; 3. Safety pressure relief valve; 4. Air line hose; 5. Precision solenoid valve; 6. Air outlet precision adapter module; 7. Cavity; 8. Main air outlet; 9. Precision flow meter; 10. Precision regulating valve; 11. Electric control box; 12. Human-computer interaction screen. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings of the specification 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 of 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] Reference Figure 1 The utility model provides an embodiment: a precision flow control air conveying device, comprising a main air inlet 1, an air inlet precision adapter module 2 is fixedly connected to the outer wall of the main air inlet 1, a safety pressure relief valve 3 is arranged inside the air inlet precision adapter module 2, one end of the main air inlet 1 is fixedly connected to the inside of the safety pressure relief valve 3, an air circuit hose 4 is fixedly connected to the inside of the air inlet precision adapter module 2, one end of the air circuit hose 4 is fixedly connected to the inside of the safety pressure relief valve 3, and an adapter assembly is arranged at one end of the air circuit hose 4;

[0025] Specifically, the main air inlet 1, the safety pressure relief valve 3 and the air circuit hose 4 are interconnected. The safety pressure relief valve 3 mainly plays a role of pressure relief. When the transported gas reaches the maximum pressure, the safety pressure relief valve 3 takes effect to ensure the safety of the air pressure. When the gas is connected to the air circuit hose 4 through the air inlet precision adapter module 2, the gas passes through the safety pressure relief valve 3 inside the air inlet precision adapter module 2 and then enters the inside of the air circuit hose 4 from the inside of the air inlet precision adapter module 2 for transmission. The air inlet precision adapter module 2 plays a fixing role for the safety pressure relief valve 3.

[0026] Reference Figure 1 The adapter assembly includes a precision regulating valve 10, the outer wall of the precision regulating valve 10 is fixedly connected to one end of the air hose 4, and the interior of the precision regulating valve 10 is provided with a gas outlet precision adapter module 6; the outer wall of the gas outlet precision adapter module 6 is provided with a precision solenoid valve 5; the interior of the gas outlet precision adapter module 6 is fixedly connected with a main gas outlet 8; the outer wall of the gas outlet precision adapter module 6 is provided with a precision flowmeter 9; the top of the main gas outlet 8 is fixedly connected with a cavity 7;

[0027] Specifically, the gas passes through the gas circuit hose 4 and then through the precision regulating valve 10 into the gas outlet precision adapter module 6. The gas outlet precision adapter module 6 is connected to the precision flow meter 9, the precision solenoid valve 5, the precision regulating valve 10 and the main gas outlet 8. The process can be carried out by separately adjusting the flow size of each gas circuit through the precision regulating valve 10 without interfering with each other. Moreover, the precision regulating valve 10 can also realize mixed input of multiple gas circuits in different proportions.

[0028] Reference Figure 1 - Figure 3 The outer wall of the precision solenoid valve 5 is fixedly connected to an electric control box 11; a human-machine interaction screen 12 is arranged inside the electric control box 11, and the outer wall of the precision solenoid valve 5 is fixedly connected to the inside of the electric control box 11;

[0029] Specifically, the precision flow meter 9, the precision solenoid valve 5 are connected with the electric control box 11 and the human-machine interaction screen 12, and enter the cavity 7 through the main air outlet 8 of the gas delivery path. When the gas passes through the precision flow meter 9, the flow information is transmitted to the electric control box 11, and the electric control box 11 displays the information on the human-machine interaction screen 12. The operator can also transmit the adjustment parameters to the electric control box 11 through the human-machine interaction screen 12, and the electric control box 11 controls the precision solenoid valve 5. This process is controlled by a microcomputer and is an automated process. The parameters such as the number of gas circuit openings and closings, multi-gas circuit switching, and ventilation time can be set independently. The operation is simple, convenient, and worry-free. In addition, the flow is displayed digitally, and the flow constant is more accurate.

[0030] Working principle: the gas to be transported is connected to the gas path device through the main air inlet 1, and is connected to the gas path hose 4 through the air inlet precision adapter module 2. The air inlet precision adapter module 2 is connected to the main air inlet 1. The main air inlet 1, the safety pressure relief valve 3 and the gas path hose 4 are a three-way structure. When the gas is connected to the gas path hose 4 through the air inlet precision adapter module 2, the gas passes through the safety pressure relief valve 3 inside the air inlet precision adapter module 2 and then enters the gas path hose 4 from the inside of the air inlet precision adapter module 2 for transmission. This process adopts a modular structure, and multiple air paths can be freely selected and installed. The safety pressure relief valve 3 automatically releases pressure when it reaches the highest value to ensure air pressure safety. The gas passes through the air path hose 4 and then enters the air outlet precision adapter module 6 through the precision regulating valve 10. The air outlet precision adapter module 6 is connected to the precision flow meter 9, the precision solenoid valve 5, the precision regulating valve 10 and the main air outlet 8. In this process, the flow of each air path can be separately regulated by the regulating valve without interfering with each other. The device can realize the mixed input of multiple gas circuits in different proportions, enrich the diversification of operation, the precision flow meter 9, the precision solenoid valve 5 are connected with the electric control box 11 and the human-machine interaction screen 12, and enter the cavity 7 through the main outlet 8 of the conveying gas circuit. This process is controlled by a microcomputer and the process is automated. The parameters such as the number of gas circuit openings and closings, the switching of multiple gas circuits, and the ventilation time can be set independently. The operation is simple, convenient and worry-free. Moreover, the flow is displayed digitally, and the flow setting value is more accurate. The device can not only achieve the effect of freely selecting and installing multiple gas circuits, and the safety pressure relief valve 3 automatically releases the pressure when it reaches the maximum value to ensure the safety of the air pressure, but also can achieve the effect of separately regulating the flow of each gas circuit without interfering with each other, and can realize the mixed input of multiple gas circuits in different proportions, enrich the diversification of operation, and can also independently set the number of gas circuit openings and closings, the switching of multiple gas circuits, and the ventilation time. The operation is simple, convenient and worry-free, and the flow is displayed digitally, and the flow setting value is more accurate.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A precision flow control gas path delivery device, comprising a main gas inlet (1), characterized in that: An air inlet precision adapter module (2) is fixedly connected to the outer wall of the main air inlet (1), a safety pressure relief valve (3) is arranged inside the air inlet precision adapter module (2), one end of the main air inlet (1) is fixedly connected to the inside of the safety pressure relief valve (3), an air line hose (4) is fixedly connected to the inside of the air inlet precision adapter module (2), one end of the air line hose (4) is fixedly connected to the inside of the safety pressure relief valve (3), and an adapter assembly is arranged at one end of the air line hose (4).

2. A precise flow control gas path conveying device according to claim 1, characterized in that: The adapter assembly comprises a precision regulating valve (10), the outer wall of the precision regulating valve (10) being fixedly connected to one end of an air hose (4), and an air outlet precision adapter module (6) being arranged inside the precision regulating valve (10).

3. A precise flow control gas path conveying device according to claim 2, characterized in that: The outer wall of the air outlet precision adapter module (6) is provided with a precision solenoid valve (5).

4. A precise flow control gas path conveying device according to claim 2, characterized in that: The air outlet precision adapter module (6) is internally fixedly connected with a main air outlet (8).

5. A precise flow control gas path conveying device according to claim 2, characterized in that: The outer wall of the air outlet precision adapter module (6) is provided with a precision flow meter (9).

6. A precise flow control gas path conveying device according to claim 4, characterized in that: The top end of the main air outlet (8) is fixedly connected to the cavity (7).

7. A precise flow control gas path conveying device according to claim 3, characterized in that: An electric control box (11) is fixedly connected to the outer wall of the precision solenoid valve (5).

8. A precise flow control gas path conveying device according to claim 7, characterized in that: A human-machine interaction screen (12) is arranged inside the electric control box (11), and the outer wall of the precision solenoid valve (5) is fixedly connected to the inside of the electric control box (11).

Images