Adjusting device for automatically adjusting vacuum degree of pipeline

Abstract

The utility model discloses an adjusting device for automatically adjusting the vacuum degree of a pipeline, which belongs to the technical field of vacuum adjustment, and is characterized in that the adjusting device for automatically adjusting the vacuum degree of the pipeline comprises a pipeline, and the middle of the pipeline is fixedly communicated with a vacuum proportion adjusting valve; the top of the vacuum proportioning valve is fixedly connected with an electronic vacuum meter, and one side of the vacuum proportioning valve is fixedly communicated with an electromagnetic valve. The device has the effects that the adjusting precision of the pipeline vacuum degree can be obviously improved; a plurality of electromagnetic valves with fixed apertures are sequentially opened to assist in pressure relief, so that the vacuum degree in the pipeline can be more stably maintained within a target range; the electronic control system and the electromagnetic valve group have longer service life, and the requirement for regular maintenance is reduced; the auxiliary valves can be increased or decreased according to the air suction amount needed by the equipment, stepless gentle adjustment of the vacuum degree of the pipeline is achieved, and the device adapts to different application scenes.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum regulation, and in particular relates to a regulating device for automatically regulating the vacuum degree of a pipeline. Background Art

[0002] Traditional regulating valves typically use spring tension to adjust the valve opening to maintain the desired vacuum level (between -40 kPa and -50 kPa). However, this mechanical structure is susceptible to spring fatigue over time, leading to a decrease in regulation accuracy. Furthermore, vent valves typically use a rubber diaphragm to open and close for pressure relief, but aging of the rubber also reduces regulation accuracy, necessitating regular inspection and maintenance. Utility Model Content

[0003] The purpose of the utility model is to provide a regulating device for automatically regulating the vacuum degree of a pipeline, so as to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A regulating device for automatically regulating the vacuum degree of a pipeline comprises a pipeline, wherein a vacuum proportional regulating valve is fixedly connected in the middle of the pipeline, an electronic vacuum gauge is fixedly connected to the top of the vacuum proportional regulating valve, and a solenoid valve is fixedly connected to one side of the vacuum proportional regulating valve.

[0006] Preferably, the vacuum proportional regulating valve is electrically connected to a control processor externally, the control processor is electrically connected to an electronic vacuum meter, and the electronic vacuum meter is electrically connected to the solenoid valve.

[0007] Preferably, there are several solenoid valves.

[0008] Preferably, the solenoid valve has a fixed aperture.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the present invention, the electronic vacuum meter is used to monitor the pressure in real time, and the precise control of the vacuum proportional regulating valve and the solenoid valve group is combined to significantly improve the adjustment accuracy of the pipeline vacuum degree.

[0011] 2. In the present invention, a plurality of solenoid valves are provided, and multiple solenoid valves with fixed apertures are opened in sequence to assist in pressure relief, thereby being able to more stably maintain the vacuum degree in the pipeline within the target range.

[0012] 3. Compared with the traditional spring and rubber diaphragm structure, the electronic control system and solenoid valve group of the present invention have a longer service life and reduce the need for regular inspection and maintenance.

[0013] 4. This utility model can add or reduce auxiliary valves according to the required air extraction volume of the equipment, thereby realizing stepless and smooth adjustment of the vacuum degree of the pipeline and adapting to different application scenarios.

[0014] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following is a detailed description of the preferred embodiments of the present invention with the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 This is an overall structural diagram of a regulating device for automatically regulating the vacuum degree of a pipeline according to the utility model.

[0017] Figure 2 This is a diagram of a regulating device for automatically regulating the vacuum degree of a pipeline according to the utility model.

[0018] In the figure: 1. Pipeline; 2. Vacuum proportional control valve; 3. Electronic vacuum meter; 4. Control processor; 5. Solenoid valve. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-2 The principles and features of the present invention are described, and the examples provided are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. The following paragraphs describe the present invention in more detail by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description and claims. It should be noted that the drawings are greatly simplified and not to exact scale, and are intended solely to facilitate and clearly illustrate the embodiments of the present invention.

[0020] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0022] Reference Figures 1 to 2 ,

[0023] The utility model provides a regulating device for automatically regulating the vacuum degree of a pipeline for further explanation.

[0024] A device for automatically adjusting the vacuum level in a pipeline comprises a pipeline 1, with a vacuum proportional control valve 2 fixedly connected in the middle of the pipeline. The valve is used to automatically detect the pressure value in the pipeline and proportionally open and close the valve according to the detected pressure value to achieve precise regulation of the pipeline vacuum level. An electronic vacuum gauge 3 is fixedly connected to the top of the vacuum proportional control valve 2 to monitor the vacuum level in the pipeline in real time and transmit the monitoring data to the vacuum proportional control valve 2 and a solenoid valve 5 for precise control. A solenoid valve 5 is fixedly connected to one side of the vacuum proportional control valve 2. Several solenoid valves 5 are connected in series downstream of the vacuum proportional control valve 2. These solenoid valves 5 open sequentially according to the vacuum level in the pipeline, assisting in pressure relief and ensuring that the vacuum level remains stable within the target range.

[0025] The vacuum proportional regulating valve 2 is externally electrically connected to a control processor 4, which is used to receive monitoring data from an electronic vacuum meter and automatically adjust the opening and closing degree of the vacuum proportional regulating valve 2 and the opening state of the solenoid valve 5 according to a preset vacuum target value, thereby achieving stepless and smooth adjustment of the pipeline vacuum degree; the control processor 4 is electrically connected to the electronic vacuum meter 3, and the electronic vacuum meter 3 is electrically connected to the solenoid valve 5.

[0026] There are several solenoid valves 5 .

[0027] The solenoid valve 5 has a fixed aperture.

[0028] It should be noted that the standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are all connected by conventional means such as mature bolts, rivets, welding, etc. in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, and no specific description will be given here.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for automatically adjusting the vacuum degree of a pipeline, characterized in that: The invention comprises a pipeline (1), wherein the middle of the pipeline (1) is fixedly connected to a vacuum proportional regulating valve (2), the top of the vacuum proportional regulating valve (2) is fixedly connected to an electronic vacuum meter (3), and one side of the vacuum proportional regulating valve (2) is fixedly connected to a solenoid valve (5).

2. The device for automatically adjusting the vacuum degree of a pipeline according to claim 1, characterized in that: The vacuum proportional regulating valve (2) is electrically connected to a control processor (4) externally, the control processor (4) is electrically connected to an electronic vacuum meter (3), and the electronic vacuum meter (3) is electrically connected to a solenoid valve (5).

3. The device for automatically adjusting the vacuum degree of a pipeline according to claim 1, characterized in that: There are several solenoid valves (5).

4. The device for automatically adjusting the vacuum degree of a pipeline according to claim 1, characterized in that: The solenoid valve (5) has a fixed aperture.

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