Vacuum testing device

Abstract

The utility model relates to a vacuum testing device, comprising a cabinet which is internally provided with a bearing space and is provided with a cabinet door which can be opened and closed; a control surface is formed at the top of the cabinet, a vacuum barrel is arranged on the control surface, a sealing vacuum barrel cover capable of being opened and closed is arranged on the vacuum barrel, and the interior of the vacuum barrel is a test space; the monitoring element is connected into the vacuum barrel in a sealing manner; the display is arranged on the control surface far away from the vacuum barrel, and the display is electrically connected with the monitoring element; the vacuum pump is mounted in the bearing space, and the vacuum pump is connected with the vacuum barrel through a pipeline; the vacuum pump is connected with the switch, the switch, the vacuum pressure gauge and the touch screen are all installed on the control face, the vacuum pressure gauge is connected with the pipeline, the touch screen is provided with a function menu, and the vacuum pressure value and the vacuum pressure holding time can be set. The vacuum test device can quickly perform vacuum test on the product, is simple to operate, and can quickly evaluate the performance change result of the product in a vacuum environment.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum testing, and more specifically to a vacuum testing device. Background Art

[0002] The performance of daily products such as goggles will change due to changes in ambient atmospheric pressure during use, which is an important aspect of product quality control. Although existing manual testing can find some problems on the surface of products, it cannot simulate the impact of changes in air pressure on product performance. In order to more accurately evaluate the performance of products under various air pressure environments, how to provide a vacuum testing device is an urgent problem that technicians in this field need to solve. Utility Model Content

[0003] Therefore, the purpose of the utility model is to provide a vacuum testing device to solve the problem that manual detection in the prior art cannot simulate the influence of air pressure changes on product performance.

[0004] The utility model provides a vacuum testing device, comprising:

[0005] A cabinet having a load-bearing space therein and having a cabinet door that can be opened and closed;

[0006] A vacuum barrel, the top of the cabinet forms a control surface, on which the vacuum barrel is provided, and the vacuum barrel is provided with a sealed vacuum barrel cover that can be opened and closed, and the interior is a test space;

[0007] A monitoring element, the monitoring element being sealed and connected to the vacuum barrel;

[0008] A display, the display is arranged on the control surface away from the vacuum barrel, and the display is electrically connected to the monitoring element;

[0009] A vacuum pump, wherein the vacuum pump is installed in the carrying space and is connected to the vacuum barrel through a pipeline;

[0010] A switch and a touch screen, the vacuum pump is connected to a switch, the switch, the vacuum pressure gauge and the touch screen are all installed on the control surface, the vacuum pressure gauge is connected to the pipeline, and the touch screen has a function menu, which can set the vacuum pressure value and the vacuum pressure holding time.

[0011] Furthermore, the control surface also has an emergency stop switch, and the emergency stop switch is connected to the vacuum pump.

[0012] Furthermore, a vacuum flow meter is connected to the pipeline.

[0013] Furthermore, the switch includes a power switch, a start switch and a stop switch, and the power switch, the start switch and the stop switch are all connected to the vacuum pump.

[0014] Furthermore, the pipeline is connected with a solenoid valve, which can release the vacuum pressure in the vacuum barrel.

[0015] Furthermore, the touch screen has a function menu, which can control the start and stop of the vacuum pump and is electrically connected to the solenoid valve.

[0016] Furthermore, the monitoring element is a camera or a video camera.

[0017] Furthermore, the bottom of the cabinet is provided with a universal wheel set.

[0018] It can be seen from the above technical solution that compared with the prior art, the utility model has the following beneficial effects: the utility model is used to detect products placed in a vacuum barrel, control the vacuum pressure value in the barrel and the time to maintain the vacuum, and observe whether the product has deformed or whether the adhesion structure of the product has cracked through the monitoring element. If a large deformation occurs, the adhesion structure is cracked, and it cannot return to its original state after the vacuum is released, it is judged as unqualified. The utility model can quickly perform a vacuum test on the product, is simple to operate, and can quickly evaluate the performance changes of the product in a vacuum environment.

[0019] The utility model is not limited to the product testing of goggles, but is also applicable to the vacuum testing of other products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a vacuum testing device provided by the utility model;

[0022] Figure 2 The installation position of the vacuum pump is shown schematically, wherein the cabinet only shows the frame structure. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0024] Since daily products such as goggles may experience performance changes due to changes in ambient atmospheric pressure during use, existing manual testing can detect some surface problems of products, but cannot simulate the impact of changes in atmospheric pressure on product performance. In view of this, in order to more accurately evaluate the performance of products under various atmospheric pressure environments, the utility model provides a vacuum testing device, see attached Figure 1 and 2 , including: a cabinet 1, which can be rectangular, with a carrying space inside the cabinet 1 and a cabinet door that can be opened and closed, so as to facilitate the maintenance and installation of the internal structure; a vacuum barrel 2, the top of the cabinet 1 forms a control surface, on which the vacuum barrel 2 is provided, and the vacuum barrel 2 is provided with a sealed vacuum barrel cover 21 that can be opened and closed, and the interior is a test space for placing products; the vacuum barrel cover can be opened and closed for placing or taking out test samples, and can be sealed and connected to the top of the vacuum barrel through a plurality of calipers.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Monitoring element 3, the monitoring element 3 is sealed and connected to the vacuum barrel 2, and is used to observe and record changes in the product during the test; display 4, the display 4 is arranged on the control surface away from the vacuum barrel 2, the display 4 is electrically connected to the monitoring element 3, and the display 4 is used to display the image captured by the monitoring element and the test information, so that the operator can monitor the test process; vacuum pump 5, the vacuum pump 5 is installed in the carrying space, the vacuum pump 5 is connected to the vacuum barrel 2 through a pipeline, and is used to extract the air in the barrel to create a vacuum environment; switch and touch screen 8, the vacuum pump 5 is connected to a switch, the switch and the vacuum pressure gauge 6 and the touch screen 8 are all installed on the control surface, the vacuum pressure gauge 6 is connected to the pipeline, and the touch screen 8 has a function menu, which can set the vacuum pressure value and the vacuum pressure holding time. The monitoring element 3 uses a camera or a camera.

[0027] The above technical solution can simulate different air pressure conditions, which is crucial for verifying the performance and reliability of products such as goggles in different air pressure environments. By using a camera or video camera as a monitoring element, the performance of the product in a vacuum environment can be observed and recorded in real time, so as to evaluate and improve the product design, materials and processes.

[0028] In the present utility model, unless otherwise clearly stipulated and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In an embodiment of the utility model, the control surface further has an emergency stop switch 7, and the emergency stop switch 7 is connected to the vacuum pump 5. It is used to immediately shut down the vacuum pump in an emergency to ensure safety.

[0030] In an embodiment of the utility model, a vacuum flow meter is connected to the pipeline to monitor the air flow in the vacuum system.

[0031] Advantageously, the switch comprises a power switch 11 , a start switch 12 and a stop switch 13 , and the power switch 11 , the start switch 12 and the stop switch 13 are all connected to the vacuum pump 5 .

[0032] In the embodiment of the utility model, the pipeline is connected with a solenoid valve, which can release the vacuum pressure in the vacuum barrel 2. It is used to quickly release the vacuum pressure in the vacuum barrel so that the normal pressure environment can be quickly restored.

[0033] Advantageously, the touch screen 8 has a function menu, which can control the start and stop of the vacuum pump 5 and is electrically connected to the solenoid valve.

[0034] The bottom of the cabinet 1 is provided with a universal wheel set 14, so that the device can be moved and is convenient for use in different locations.

[0035] When working, open the vacuum barrel cover, put the test product into the vacuum barrel, close the vacuum barrel cover, keep it sealed, turn on the power switch, and get the display, touch screen, and monitoring components ready. Set the vacuum pressure value and vacuum pressure holding time. The vacuum pressure gauge displays the vacuum pressure. The tester observes and records the performance of the product in the vacuum environment in real time on the display, so as to evaluate and improve the product design, materials, and processes.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0037] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A vacuum testing device, characterized in that: include: A cabinet (1), wherein the cabinet (1) has a load-bearing space therein and has a cabinet door that can be opened and closed; A vacuum barrel (2), wherein the top of the cabinet (1) forms a control surface, on which the vacuum barrel (2) is disposed, and the vacuum barrel (2) is provided with a sealed vacuum barrel cover (21) that can be opened and closed, and the interior of the vacuum barrel is a test space; A monitoring element (3), the monitoring element (3) being sealed and connected to the inside of the vacuum barrel (2); A display (4), the display (4) being arranged on the control surface away from the vacuum barrel (2), and the display (4) being electrically connected to the monitoring element (3); A vacuum pump (5), wherein the vacuum pump (5) is installed in the carrying space, and the vacuum pump (5) is connected to the vacuum barrel (2) via a pipeline; A switch and a touch screen (8), wherein the vacuum pump (5) is connected to a switch, and the switch, the vacuum pressure gauge (6) and the touch screen (8) are all installed on the control surface, the vacuum pressure gauge (6) is connected to the pipeline, and the touch screen (8) has a function menu, which can set the vacuum pressure value and the vacuum pressure holding time.

2. A vacuum testing device according to claim 1, characterized in that: The control surface also has an emergency stop switch (7), and the emergency stop switch (7) is connected to the vacuum pump (5).

3. A vacuum testing device according to claim 1, characterized in that: The pipeline is connected with a vacuum flow meter.

4. A vacuum testing device according to claim 1, characterized in that: The switch comprises a power switch (11), a start switch (12) and a stop switch (13); the power switch (11), the start switch (12) and the stop switch (13) are all connected to the vacuum pump (5).

5. A vacuum testing device according to claim 1, characterized in that: The pipeline is connected with a solenoid valve, which can release the vacuum pressure in the vacuum barrel (2).

6. A vacuum testing device according to claim 5, characterized in that: The touch screen (8) has a function menu, can control the start and stop of the vacuum pump (5), and is electrically connected to the solenoid valve.

7. A vacuum testing device according to any one of claims 1 to 6, characterized in that: The monitoring element (3) is a camera or a video camera.

8. A vacuum testing device according to any one of claims 1 to 6, characterized in that: The cabinet (1) has a universal wheel set (14) at the bottom.

Images