CN106546391A - A kind of semi-finished product waterproof detection device and its waterproof detection method - Google Patents

Abstract

The invention relates to a semi-finished waterproof detection device and a waterproof detection method thereof. The device includes a sealing structure and a gas detection structure. The sealing structure is provided with a sealing cavity for placing the product to be tested. The sealing structure is connected with a The inflatable pipeline connected to the tested cavity of the product and the external gas source, the gas detection structure and the sealed cavity are connected through the gas outlet pipeline; wherein, the tested product is placed in the sealed groove, and the external gas source is connected to the tested cavity of the tested product through the inflated pipeline. Inflated, when there is an air leak in the detected cavity of the product to be tested, the gas detection structure detects that there is gas discharged from the sealing groove. The invention utilizes the sealing structure and the gas detection structure to realize the detection of the product to be tested, and adjusts the air pressure of different levels to test the waterproof level of the product to be tested. After a semi-finished product is processed, it can detect whether the water leakage or air leakage is accurate, the test speed is improved, and the volume is small, which is easy to operate.

Description

A semi-finished waterproof detection device and waterproof detection method thereof

technical field

The invention relates to the technical field of electronic product production, and more specifically refers to a semi-finished waterproof detection device and a waterproof detection method thereof.

Background technique

For electronic products, water resistance is an important parameter index. However, the existing waterproof test fixture needs to put the product into water and soak for a long time to judge whether it has good waterproofness.

At present, in the process of producing electronic products, air tightness testers are used to test the waterproofness of finished products. When air leakage or water leakage occurs in finished products, water or air leakage may occur in every suspected part, requiring more It takes a lot of time to analyze which part is leaking or air leaking, resulting in low production efficiency and unreliable testing. Moreover, the air tightness tester has a large volume and is inconvenient to operate.

Therefore, it is necessary to design a semi-finished waterproof detection device to ensure that after each semi-finished product is processed, it can detect whether the operation and operation method is correct, whether water leakage or air leakage is accurate, improve production efficiency, increase test speed, and is small in size and easy to operate.

Contents of the invention

The object of the present invention is to overcome the defects of the prior art, and provide a semi-finished waterproof detection device and a waterproof detection method thereof.

In order to achieve the above object, the present invention adopts the following technical solutions: a semi-finished waterproof detection device, including a sealing structure and a gas detection structure, the sealing structure is provided with a sealing cavity for placing the product to be tested, and the sealing structure is There are inflatable pipes connected to the detected cavity and the external gas source of the product to be tested respectively, and the gas detection structure communicates with the sealed groove through the gas outlet pipe; wherein, the product to be tested is placed in the sealed groove, and the external gas source passes through The inflatable pipe is used to inflate the detected cavity of the product to be tested. When the detected cavity of the tested product leaks air, the gas detection structure detects that the gas is discharged from the sealing groove.

Its further technical solution is: the sealing structure includes an upper pressing plate and a bottom plate, and the sealing cavity is formed by enclosing the upper pressing plate and the bottom plate.

Its further technical solution is: the upper pressing plate and/or the bottom plate are provided with a seal, the upper pressing plate and/or the bottom plate are provided with a groove, the gas detection structure communicates with the groove through the gas outlet pipe, and the sealing The ring and the groove are enclosed to form the sealed cavity.

Its further technical solution is: the upper pressing plate and/or the bottom plate are respectively provided with two grooves.

Its further technical solution is: the gas detection structure further includes a container with built-in water, and the container is connected to the groove through an air outlet pipe.

Its further technical solution is: the container is a syringe.

Its further technical solution is: the semi-finished waterproof detection device also includes a power source, the power source is connected to the upper platen, wherein the power source drives the upper platen to move upwards or downwards, so as to Compress or loosen the test object.

Its further technical solution is: the semi-finished waterproof detection device further includes a base, and the sealing structure, the power source and the gas detection structure are respectively located on the base.

The present invention also provides a semi-finished waterproof detection method, the specific steps are as follows: connect the power supply and the inflatable air pipe, set the air pressure and the pressure holding time to be detected by the product to be tested, put the product to be tested in the groove, and the power source Drive the upper platen to move down until the product under test is pressed and stop moving. At the same time, the external air source fills the chamber of the product under test through the inflatable pipe. If the product under test leaks water or air, the gas detection structure detects The flow of gas, after the test, the power source drives the upper platen to move, and then waits for the next test item to be tested.

Its further technical solution is: if there is water or air leakage in the detected cavity of the product to be tested, bubbles will emerge from the container of the gas detection structure, thereby detecting the flow of gas.

The beneficial effect of the present invention compared with the prior art is: a semi-finished waterproof detection device of the present invention uses a sealing structure and a gas detection structure to realize the detection of the product to be tested, and can adjust different levels of air pressure to correspond to the product to be tested Waterproof level test, the detection of waterproof speed is fast, the waterproof test can be carried out every time the product under test is assembled, to ensure that each semi-finished product can detect whether the operation and operation method is correct, whether the water leakage or air leakage is accurate, improve production efficiency, and improve High test speed and small size, easy to operate.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a three-dimensional structure diagram of a semi-finished waterproof detection device provided by a specific embodiment of the present invention.

reference sign

10 Upper platen 20 Seal

30 groove 40 base plate

50 base 60 container

70 power source

detailed description

In order to fully understand the technical content of the present invention, the technical solutions of the present invention will be further introduced and illustrated below in conjunction with specific examples, but not limited thereto.

As shown in the specific embodiment shown in Figure 1, a semi-finished waterproof detection device provided by this embodiment can be used to detect the waterproofness of electronic products, so as to ensure that each semi-finished product can detect whether the operation and operation method are correct and whether there is water leakage. Or the accuracy of air leakage, improve production efficiency, increase test speed and small size, easy to operate; of course, it can also be used in the waterproof testing process of other products.

A semi-finished waterproof detection device, including a sealing structure and a gas detection structure, the sealing structure is provided with a sealing cavity for placing the product to be tested, and the sealing structure is connected to the detected cavity and the external gas source of the product The gas detection structure is connected with the sealed chamber through the gas outlet pipe; wherein, the product to be tested is placed in the sealed chamber, and the external gas source is used to inflate the product to be tested through the inflatable pipe. When the product to be tested leaks, the gas detection structure Gas escaping from the seal chamber is detected.

By detecting whether there is gas discharge from the tested cavity of the tested product after being inflated, if there is gas discharge, it proves that the tested cavity of the tested product has a defect of air leakage or water leakage. If there is no gas discharge, the tested product Good water resistance.

Furthermore, the sealing structure includes an upper platen 10 and a bottom plate 40, the upper platen 10 and the bottom plate 40 are enclosed to form a sealed cavity, and before the product to be tested is placed, the upper platen 10 is separated from the bottom plate 40, which is convenient for putting in the product to be tested , when the product to be tested is put in, the upper platen 10 presses the product to be tested. On the one hand, the product to be tested is fixed, and on the other hand, it can prevent the false air leakage caused by the movement of the product to be tested during the inflation process. .

In addition, the upper platen 10 and/or the bottom plate 40 are provided with a seal 20, the upper platen 10 and/or the base plate 40 are provided with a groove 30, the gas detection structure is communicated with the groove 30 through the gas outlet pipe, and the seal 20 is surrounded by the groove 30. The sealed cavity is formed by the combination of the sealing member 20 and the groove 30, which can improve the sealing performance of the entire sealed cavity and avoid the failure of the waterproof test due to the incomplete sealing of the sealed cavity.

The aforementioned sealing element 20 may be a complete sealing ring, or may be a half sealing element. Of course, in other embodiments, the sealing element may be replaced by a rubber gasket or a sealing pad.

In order to improve the detection efficiency, the upper platen 10 and/or the bottom plate 40 are respectively provided with two grooves 30, that is, the upper platen 10 is respectively provided with two grooves 30 and/or the bottom plate 40 is respectively provided with two grooves 30, like this, The water resistance of two DUTs can be tested at one time.

Of course, in other embodiments, the number of the above-mentioned grooves 30 may be more than two, so as to test the water resistance of several test objects at one time, so as to improve the detection efficiency.

Correspondingly, the number of seals 20 and gas detection structures is consistent with the number of grooves 30, so that the detection experiments of several DUTs can be separated to avoid interference in the detection process of each other, resulting in One of the DUTs leaks air or water, and it is impossible to know which DUT has a problem in time, resulting in a slow detection rate.

Furthermore, the gas detection structure also includes a container 60 with built-in water, and the container 60 is connected to the groove 30 through an air outlet pipe, and whether there is gas flow is detected by whether the water is bubbling, which is simple and clear.

In this embodiment, the aforementioned container 60 is a syringe.

Of course, in other embodiments, the above-mentioned container 60 can be a sealed container of transparent material, which has two functions, one is to reduce the detection errors caused by the sealing of the container 60, and improve the detection accuracy; the other is to use The transparent material is convenient for viewing whether the water in the container 60 is bubbling.

Further, a semi-finished waterproof detection device also includes a power source 70, the power source 70 is connected to the upper pressing plate 10, wherein the power source 70 drives the upper pressing plate 10 to move upwards or downwards to compress or loosen DUT. The upper pressing plate 10 is driven by the power source 70, and the upper pressing plate 10 exerts pressure on the object to be tested to fix the object to be tested.

In this embodiment, the aforementioned power source 70 is a lift cylinder.

Of course, in other embodiments, the above-mentioned power source 70 can be a hydraulic cylinder, as long as the power source 70 can realize linear movement.

In addition, a semi-finished waterproof detection device further includes a base 50 on which the sealing structure, the power source 70 and the gas detection structure are respectively located.

In other embodiments, the above-mentioned base 50 is provided with a starting button, and a control board is provided inside the base 50, and a valve is provided on the inflation pipeline, and the starting button and the valve are respectively connected with the control board. In this way, when the product to be tested is placed in the groove 30, the start button is pressed, and the power source 70 drives the upper platen 10 to move downward. After pressing the product to be tested, the valve is opened under the control of the control panel, and the product to be tested is inflated. .

The above-mentioned semi-finished waterproof detection device uses a sealing structure and a gas detection structure to realize the detection of the product to be tested, and can adjust different levels of air pressure to test the corresponding waterproof level of the product to be tested. Waterproof testing can be carried out for each assembly to ensure that after each semi-finished product is processed, it can detect whether the operation and operation method is correct, whether water leakage or air leakage is accurate, improve production efficiency, increase test speed, and is small in size and easy to operate.

The present embodiment also provides a waterproof detection method for the product to be tested, the specific steps are as follows: connect the power supply and the inflatable air pipe, set the air pressure and pressure holding time to be detected by the product to be tested, put the product to be tested in the groove 30 Inside, the power source 70 drives the upper platen 10 to move down until the product to be tested is pressed and stops moving. At the same time, the external air source fills the product to be tested through the inflatable pipeline. , the gas detection structure detects the flow of gas, after the test, the power source 70 drives the upper platen 10 to move up, and then waits for the next test object to be tested.

In addition, if there is water or air leakage in the detected chamber of the object to be tested, bubbles will emerge from the container 60 of the gas detection structure, thereby detecting the flow of gas.

The above-mentioned sample to be tested can be a semi-finished product or a finished product.

Furthermore, the inflation time is maintained at about 3 to 5 seconds. The longer the time, the more accurate the water resistance test of the product to be tested. It mainly uses the principle of whether the gas is on or off. The water in the detection structure comes out, if there is no water leakage, there will be no gas discharge, and there will be no air bubbles in the water.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand more easily, but it does not mean that the implementation of the present invention is limited to this, and any technical extension or re-creation done according to the present invention is subject to the present invention. protection of. The protection scope of the present invention shall be determined by the claims.

Claims (10)

1. a kind of semi-finished product waterproof detection device, it is characterised in that including sealing structure and gas detecting structure, the sealing Be provided with structure and interior annular seal space be placed on for product to be tested, be connected with detected with product to be tested respectively in the sealing structure Chamber, the aerating pipe of external air source connection, the gas detecting structure are connected by outlet pipe with the seal groove；Wherein, Product to be tested is placed in seal groove, and external air source is inflated to the detected chamber of product to be tested by aerating pipe, works as product to be tested Detected chamber when leaking air, gas detecting structure detection has gas to discharge in seal groove.

2. a kind of semi-finished product waterproof detection device according to claim 1, it is characterised in that the sealing structure includes Pressing plate and base plate, enclose to form the annular seal space between the top board and the base plate.

3. a kind of semi-finished product waterproof detection device according to claim 2, it is characterised in that the top board and/or bottom Plate is provided with sealing member, and the top board and/or base plate are provided with groove, and the gas detecting structure is recessed with described by outlet pipe Groove is connected, and the sealing ring encloses to form the annular seal space with groove.

4. a kind of semi-finished product waterproof detection device according to claim 3, it is characterised in that the top board and/or bottom Plate is respectively equipped with two grooves.

5. a kind of semi-finished product waterproof detection device according to claim 2, it is characterised in that the gas detecting structure is also Including the container of built-in water, connected by outlet pipe between the container and the groove.

6. a kind of semi-finished product waterproof detection device according to claim 5, it is characterised in that the container is syringe.

7. a kind of semi-finished product waterproof detection device according to any one of claim 2 to 5, it is characterised in that described one kind Semi-finished product waterproof detection device also includes power source, and the power source is connected with the top board, wherein, the power source drives The top board is moved upwardly by or moves down, to compress or unclamp product to be tested.

8. a kind of a kind of semi-finished product waterproof detection device according to claim 7, it is characterised in that semi-finished product waterproof Detection means also includes base, and the sealing structure, the power source and the gas detecting structure are located at the bottom respectively On seat.

9. a kind of semi-finished product waterproof detection method, it is characterised in that comprise the following steps that:Connection power supply and inflation trachea, setting Air pressure and dwell time that product to be tested detected being wanted well, product to be tested being put in groove, power source drives top board to move down, until Stop movement after compressing product to be tested, meanwhile, external air source carries out aerating to the detected chamber of product to be tested by aerating pipe, such as treats Survey product have leak or gas leakage, and the flowing of gas detecting structure detection to gas, after test, is moved on power source drive top board, then Etc. next product to be tested to be tested.

10. a kind of semi-finished product waterproof detection method according to claim 9, it is characterised in that such as being detected for product to be tested There are leak or gas leakage in chamber, has bubble to emerge in the container of gas detecting structure, so as to detect the flowing of gas.