CN114993597B - Novel buffer gas column pad packaging test device and method - Google Patents

Abstract

The invention relates to the field of packaging and testing, and particularly discloses a novel buffer gas column pad packaging and testing device and method. According to the invention, the tightness of the air column cushion is detected during package storage test by adopting the ranging sensor, the falling impact curve of the package falling test is collected by adopting the impact curve recorder, the ranging sensor is attached to the surface of the server, the impact curve recorder is arranged in the server, the ranging sensor and the impact curve recorder are in wireless communication with the test monitoring terminal, the air column cushion is not required to be cut, the package strength is not influenced, and the test accuracy and efficiency are improved.

Description

A new type of cushioning air column cushion packaging testing device and method

Technical field

The invention relates to the field of packaging testing, and in particular to a new type of cushioning air column cushion packaging testing device and method.

Background technique

With the rapid development of the Internet and surrounding industries, cushioning air column cushions have gradually replaced EPE packaging due to their advantages such as low cost, space saving, recyclability, reduced packaging process, and good earthquake resistance. The server package air column cushion is placed in the packaging box and needs to be tested for packaging storage and packaging drop testing. However, the current packaging test for air column cushions has the following defects: the existing packaging storage test only checks the outer packaging after the test and performs functional inspection on the prototype, but lacks detection of the surface strength of the air column cushion; in addition, when the package is dropped, Before the test, the accelerometer needs to be pasted on the surface of the chassis, and it needs to be connected to the outside world by a line. For air column cushion packaging, it is necessary to cut several air cushion columns to paste the accelerometer. On the one hand, it will weaken the overall packaging strength and easily cause damage to the chassis on that side. , especially the damage to the ear part. On the other hand, it is also a challenge for testers to operate. It is difficult to grasp the accuracy, there is a risk of cuts, the test quality cannot be guaranteed, and the work efficiency is also low.

Contents of the invention

In order to solve the above problems, the present invention provides a new type of cushioning air column cushion packaging testing device and method, which uses a distance measuring sensor to detect the strength of the air column cushion during the packaging storage test, and uses an impact curve recorder to collect the drop impact curve of the packaging drop test. The ranging sensor and impact curve recorder communicate wirelessly with the test monitoring terminal, eliminating the need to cut the air column cushion, avoiding affecting the packaging strength, and improving test accuracy and efficiency.

In the first aspect, the technical solution of the present invention provides a new type of cushioning air column cushion packaging testing device, which includes a server, a packaging box and an air column cushion. The server is wrapped with an air column cushion and placed in the packaging box. The testing device also includes a number of ranging sensors. , impact curve recorder and test monitoring terminal, the ranging sensor is installed on the upper surface and/or lower surface of the server, located between the server and the air column cushion, and is used to measure the distance from the server surface to the inner side of the packaging box during the packaging storage test. to reflect the height of the air column cushion; the distance sensor communicates wirelessly with the test monitoring terminal, and transmits the measurement data to the test monitoring terminal for display; the impact curve recorder is installed in the server, and the impact curve recorder is connected to the test monitoring terminal Wireless communication, during the packaging drop test, the impact recorder records the drop impact curve and sends it to the test monitoring terminal for display.

Further, the test device includes at least four ranging sensors located at four corners of the server.

Further, the ranging sensor is a laser displacement sensor.

In a second aspect, the technical solution of the present invention provides a new type of cushioning air column cushion packaging testing method. The testing method includes the following steps:

Install the impact curve recorder in the server, and debug the wireless communication between the impact curve recorder and the test monitoring terminal;

Install the ranging sensor on the upper surface and/or lower surface of the server, and debug the wireless communication between the ranging sensor and the test monitoring terminal;

Wrap the server with an air column cushion and place it in the packaging box;

Start the ranging sensor, measure the initial value of the distance between the server surface and the inner side of the packaging box, and transmit it to the test monitoring terminal for storage;

Start the packaging storage test, and the distance sensor records the distance between the server surface and the inner side of the packaging box during the measurement process, and transmits it to the test monitoring terminal for storage;

After the packaging storage test is completed, the test monitoring terminal analyzes the strength of the air column cushion based on the initial ranging value and the ranging value during the test, and obtains the air column cushion strength test results;

Start the impact curve recorder and conduct the packaging drop test;

During the packaging drop test, the drop impact curve is recorded by the impact recorder and sent to the test monitoring terminal for display;

Analyze the drop impact curve to determine whether the package passes the drop test.

Furthermore, the test method also includes the following steps:

After the packaging and storage test, use an infrared flaw detector to conduct a flaw detection test on the air column cushion to observe whether there are any traces of defects to evaluate the sealing performance of the air column cushion.

Further, the test method uses at least four ranging sensors located at four corners of the server.

Further, the test method specifically includes: taking the average value of the values measured by all ranging sensors to evaluate the strength of the air column cushion.

Further, the ranging sensor is a laser displacement sensor.

The invention provides a new type of cushioning air column cushion packaging testing device and method. Compared with the existing technology, it has the following beneficial effects: a distance measuring sensor is used to detect the strength of the air column cushion during packaging storage testing, and an impact curve recorder is used to collect the packaging For the drop impact curve of the drop test, the ranging sensor is attached to the surface of the server, and the impact curve recorder is installed inside the server. The ranging sensor and impact curve recorder communicate wirelessly with the test monitoring terminal. There is no need to cut the air column cushion to avoid impact. Packaging strength, improve testing accuracy and efficiency.

Description of the drawings

In order to more clearly explain the embodiments of the present application or the technical solutions of the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, the drawings in the following description are only For some embodiments of the present application, those of ordinary skill in the art can also obtain other drawings based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a new type of cushioning air column cushion packaging testing device provided by an embodiment of the present invention.

Figure 2 is a schematic diagram of the drop impact curve recorded by the impact curve recorder.

Figure 3 is a schematic flow chart of a new type of cushioning air column cushion packaging testing method provided by an embodiment of the present invention.

In the picture, 1-packing box, 2-air column cushion, 3-server, 4-range sensor, 5-impact curve recorder.

Detailed ways

The terms used in the present invention are explained below.

Cushioning air column cushion: a new packaging material filled with natural air.

Packaging storage test: Verify the ability of the product (including packaging) to maintain product performance when encountering the stress of temperature and humidity changes during transportation and storage.

Packaging drop test: Verify the impact stress damage of product packaging products during product handling, loading and unloading, and test whether the packaging design of the entire machine can prevent the harm to the product caused by overstress during handling.

In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of this application.

The invention provides a new type of cushioning air column cushion packaging testing device, which is used for server 3 packaging testing. The strength and sealing properties of the air column cushion 2 are tested during the packaging storage test. During the packaging drop test, the air column cushion 2 is avoided from being cut and damaged. Affects packaging strength. Considering that the strength of the air column cushion 2 is mainly related to the air pressure of the internal gas, if you want to know the surface strength in real time, you can measure it from the height of the air column cushion 2. Considering that the server 3 and the air column cushion 2 are tightly compressed, you can A ranging sensor 4 is installed on the surface of the server 3 for ranging. The ranging sensor 4 can measure with an accuracy within 10um, so small changes can be seen. Considering that in order to avoid the need to cut the air column cushion 2 for pasting the accelerometer, an impact curve recorder 5 can be installed inside the server 3 to record the packaging drop test by recording the curve, so that the drop impact curve can be obtained Proper recording can also avoid cutting the air column cushion 2, which will affect the overall packaging strength and affect the test results.

Figure 1 is a schematic structural diagram of a new type of cushioning air column cushion packaging and testing device provided by an embodiment of the present invention. It includes a server 3, a packaging box 1 and an air column cushion 2. The server 3 wraps the air column cushion 2 and places it in the packaging box 1.

In order to realize the packaging storage test and packaging drop test, the device also includes a number of ranging sensors 4, impact curve recorders 5 and test monitoring terminals. The ranging sensors 4 are used to test the strength of the air column cushion 2 during the packaging storage test. The impact curve recorder 5 is used to record the drop impact curve during the packaging drop test.

The ranging sensor 4 is installed on the upper surface and/or lower surface of the server 3, located between the server 3 and the air column cushion 2, and is used to measure the distance between the surface of the server 3 and the inner surface of the packaging box 1 during the packaging storage test. To reflect the height of the air column cushion 2. The ranging sensor 4 communicates wirelessly with the test monitoring terminal and transmits the measurement data to the test monitoring terminal for display. Preferably, the ranging sensor 4 is installed on the lower surface of the server 3. During the packaging storage test, if the air column cushion 2 deflates, its air pressure decreases, the distance between the upper and lower sides of the air column decreases, and the server 3 moves downward. Then, the distance between the lower surface of the server 3 and the inner surface of the packaging box 1 is reduced, and the reduced distance can be measured by the distance sensor 4 .

Considering the area of the server 3 , only testing the sealing and strength of the air column cushion 2 at one place may easily lead to inaccurate measurement results. Therefore, multiple ranging sensors 4 need to be installed and distributed at different positions to detect the strength of the air column cushion 2 . Considering that the four corners of the server 3 generally have a greater impact, the device includes at least four ranging sensors 4 respectively located at the four corners of the server 3 , that is, at least the ranging sensors 4 are provided at the four corners of the server 3 .

During specific implementation, the ranging sensor 4 can use a laser displacement sensor to measure the distance through a laser, a light projection lens, a light projection element, a cmos chip and a light receiving lens, and can measure the displacement with an accuracy within 10um.

The impact curve recorder 5 is installed in the server 3. The impact curve recorder 5 communicates wirelessly with the test monitoring terminal. During the packaging drop test, the impact recorder records the drop impact curve and sends it to the test monitoring terminal for display.

The packaging drop test generally conducts a drop test on one corner, three edges and six sides, with a total of ten curves. Figure 2 is a schematic diagram of a drop impact curve. The three curves in the figure correspond to the triangular curves. Based on the curve, it is judged whether the peak value exceeds the threshold. If it exceeds the threshold, the test fails.

A new type of cushioning air column cushion packaging testing device provided by the embodiment of the present invention uses a distance sensor 4 to detect the strength of the air column cushion 2 during the packaging storage test, and uses an impact curve recorder 5 to collect the drop impact curve of the packaging drop test. The distance sensor 4 is attached to the surface of the server 3, and the impact curve recorder 5 is installed in the server 3. The distance sensor 4 and the impact curve recorder 5 communicate wirelessly with the test monitoring terminal without cutting the air column cushion 2 to avoid affecting the packaging. Strength, improve test accuracy and efficiency.

The embodiments of a new type of cushioning air column cushion packaging testing device are described in detail above. Based on the new type of cushioning air column cushion packaging testing device described in the above embodiments, embodiments of the present invention also provide a kind of packaging testing device corresponding to the device. New cushioning air column cushion 2 packaging test method.

Figure 3 is a schematic flow chart of a new type of cushioning air column cushion packaging testing method provided by an embodiment of the present invention. As shown in Figure 3, the method includes the following steps.

S101, install the impact curve recorder 5 in the server 3, and debug the wireless communication between the impact curve recorder 5 and the test monitoring terminal.

S102. Install the ranging sensor 4 on the upper surface and/or lower surface of the server 3, and debug the wireless communication between the ranging sensor 4 and the test monitoring terminal.

S103: Wrap the server 3 with the air column cushion 2 and place it in the packaging box 1.

S104, start the ranging sensor 4, measure the initial value of the distance between the surface of the server 3 and the inner side of the packaging box 1, and transmit it to the test monitoring terminal for storage.

S105, start the packaging storage test, and the distance sensor 4 records the distance between the surface of the server 3 and the inner side of the packaging box 1 during the measurement process, and transmits it to the test monitoring terminal for storage.

S106. After the packaging storage test is completed, the test monitoring terminal analyzes the strength of the air column cushion 2 based on the initial ranging value and the ranging value during the test, and obtains the strength test result of the air column cushion 2.

S107, start the impact curve recorder 5 to perform the packaging drop test.

S108, during the packaging drop test, the drop impact curve is recorded by the impact recorder and sent to the test monitoring terminal for display.

S109: Analyze the drop impact curve to determine whether the package passes the drop test.

Based on the above embodiments, as a preferred implementation, this testing method uses at least four ranging sensors 4 respectively located at the four corners of the server 3 . A laser displacement sensor can be used as the distance sensor 4. The final test result can be detected by taking the average value of multiple sensor measurements.

Based on the above embodiments, as a preferred implementation, after the packaging storage test is completed, an infrared flaw detector is used to conduct a flaw detection test on the air column cushion 2 to observe whether there are traces of defects to evaluate the sealing performance of the air column cushion 2 .

Before the packaging storage test begins, the laser displacement sensor is fixed at the corresponding position on the surface of the server 3 and the initial value is recorded. During the packaging storage test, the height value of the air column cushion 2 can be observed in real time through the data transmitted to the computer, thereby measuring the air pressure. The surface strength of column pad 2 is well documented, making testing more accurate. At the end of the packaging and storage, conduct a flaw detection test on the air column cushion 2 with a red flaw detection agent to observe whether there are traces of defects, and further test and evaluate the sealing performance of the air column cushion 2.

After the packaging storage test is completed, the packaging drop test is performed, and the impact curve recorder 5 records the drop impact curve. The recorded drop impact curve is transmitted to the test monitoring terminal for viewing, and the curve can also be viewed through a mobile phone. The impact curve recorder 5 is placed in the server 3 and communicates wirelessly with the backend, which can avoid cutting the air column cushion 2, avoid affecting the overall packaging strength, and improve the testing efficiency and accuracy.

A new type of cushioning air column cushion packaging testing method provided by the embodiment of the present invention uses a distance sensor 4 to detect the strength of the air column cushion 2 during the packaging storage test, and uses an impact curve recorder 5 to collect the drop impact curve of the packaging drop test. The distance sensor 4 is attached to the surface of the server 3, and the impact curve recorder 5 is installed in the server 3. The distance sensor 4 and the impact curve recorder 5 communicate wirelessly with the test monitoring terminal without cutting the air column cushion 2 to avoid affecting the packaging. Strength, improve test accuracy and efficiency.

The new cushioning air column cushion packaging testing method of this embodiment is implemented based on the aforementioned new cushioning air column cushion 2 packaging testing device. Therefore, the specific implementation of the device can be referred to the description of the corresponding embodiments, and will not be introduced here. .

What is disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited thereto. Any non-creative changes that those skilled in the art can think of, as well as several improvements and modifications made without departing from the principles of the present invention can be made. , should all fall within the protection scope of the present invention.

Claims (6)

1. The novel buffer gas column pad packaging and testing device comprises a server, a packaging box and a gas column pad, wherein the server wraps the gas column pad and is placed in the packaging box; the ranging sensor is in wireless communication with the test monitoring terminal, and transmits measurement data to the test monitoring terminal for display; the impact curve recorder is arranged in the server, the impact curve recorder is in wireless communication with the test monitoring terminal, and when the package is subjected to drop test, the impact curve recorder records the drop impact curve and sends the drop impact curve to the test monitoring terminal for display;

the testing device at least comprises four ranging sensors respectively positioned at four corners of the server.

2. The novel cushion packaging and testing device according to claim 1, wherein the ranging sensor is a laser displacement sensor.

3. The novel buffer gas column pad packaging test method is characterized by comprising the following steps of:

installing an impact curve recorder in a server, and debugging the impact curve recorder to wirelessly communicate with a test monitoring terminal;

installing a ranging sensor on the upper surface and/or the lower surface of the server, and debugging the ranging sensor to wirelessly communicate with the test monitoring terminal; wherein at least four ranging sensors respectively positioned at four corners of the server are used;

wrapping the server with an air column pad, and then placing the server in a packaging box;

starting a ranging sensor, measuring a ranging initial value from the surface of a server to the inner side surface of a packaging box, and transmitting the ranging initial value to a test monitoring terminal for storage;

starting a packaging storage test, recording the distance from the surface of the server to the inner side surface of the packaging box in the measurement process by a ranging sensor, and transmitting the distance to a test monitoring terminal for storage;

after the packaging, storing and testing are finished, the testing and monitoring terminal analyzes the strength of the air column cushion based on the ranging initial value and the ranging value in the testing process to obtain a testing result of the strength of the air column cushion;

starting an impact curve recorder to perform package drop test;

in the package drop test, an impact recorder records a drop impact curve and sends the drop impact curve to a test monitoring terminal for display;

and analyzing the drop impact curve to judge whether the package passes the drop test.

4. The method for testing a novel cushion package according to claim 3, further comprising the steps of:

after the packaging and storing test is finished, an infrared flaw detector is used for carrying out flaw detection test on the air column pad, and whether a flaw trace exists or not is observed so as to evaluate the tightness of the air column pad.

5. The method for testing the packing of the novel buffer gas column cushion according to claim 4, wherein the testing method specifically comprises the following steps: and taking the average value of the measured values of all the ranging sensors to evaluate the strength of the air column cushion.

6. The method for testing a novel cushion package according to claim 5, wherein the distance measuring sensor is a laser displacement sensor.