CN105043699A - Vibration and impact testing method and device for internal and external parameters of server case - Google Patents

Abstract

The invention discloses a vibration and impact test method and device for internal and external parameters of a server case. During the server vibration and shock test process, an equivalent counterweight with a built-in acceleration sensor is used inside the server case to replace a real hard disk, a power supply and an extended graphics card. , through the built-in acceleration sensor to collect the linear force and torque of the real hard disk, power supply and expansion graphics card; paste the acceleration sensor on the outer surface of the chassis to measure the linear acceleration of the pasting point; use the acceleration sensor inside and outside the chassis to quantitatively describe the vibration and shock test of the server The state of each part of the process. The invention is of great help to the design of the anti-vibration and anti-shock structure of the server chassis, and provides more judgment basis for the analysis of reliability test results. It has the characteristics of test informationization, high flexibility and easy operation.

Description

Vibration and shock testing method and device for internal and external parameters of server chassis

technical field

The invention relates to the technical field of server chassis testing, in particular to a vibration and shock testing method and device for internal and external parameters of a server chassis.

Background technique

Vibration and shock testing belongs to the category of reliability testing. Traditional vibration and shock testing is to verify the functionality of the product after the test is completed, such as checking the integrity of each device and whether it can work normally. Acceleration silicon is pasted on several positions of the chassis to measure the acceleration of the corresponding positions of the chassis, and the acceleration state of the electronic components during the test process cannot be collected. Little is known about the internal conditions during the vibration and shock process, and there is insufficient data basis for failure analysis.

Contents of the invention

The technical problem to be solved by the present invention is: the purpose of the present invention is to provide a vibration and impact test method and device for internal and external parameters of the server case in order to solve the above problems.

The technical scheme adopted in the present invention is:

A vibration and shock test method for internal and external parameters of a server case. During the server vibration and shock test, an equivalent counterweight with a built-in acceleration sensor is used in the server case to replace the real hard disk, power supply and extended graphics card, and the data is collected by the built-in acceleration sensor. Linear force and torque to the real hard disk, power supply and expansion graphics card;

Paste the acceleration sensor on the outer surface of the chassis, and measure the linear acceleration of the pasting point;

Use the acceleration sensor inside and outside the chassis to quantitatively describe the status of each part during the server vibration and shock test.

The equivalent counterweight has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of the regular tetrahedron, and are used to measure the linear acceleration of the replaced electronic component during vibration and impact. The four sensors measure in the same direction The difference in value can reflect the torsion of the component.

The concrete steps of described test method are as follows:

1) Clarify the test objectives: According to the test requirements, determine the types and quantities of quantitative parameters required inside and outside the server, and prepare the corresponding number of equivalent counterweights and acceleration sensors;

2) Build the test equipment: Place the required equivalent counterweight inside the server, the data transmission line needs to pass through the front and rear panels, paste the acceleration sensor on the required position on the outer surface of the server chassis, connect all the data lines to the corresponding adapter and then connect to the collection device;

3) Test data reading: Turn on the data acquisition device, perform vibration and impact tests on the server, and control the collection of data through computer software;

4) Data analysis: Through the analysis of the linear acceleration inside and outside the server case and the torsion data of the equivalent counterweight, the conditions inside and outside the server case during the vibration and shock test are obtained, and then the test results are judged.

In specific vibration and shock tests, the type and quantity of equivalent counterweights can be adjusted according to different needs, with high flexibility.

A vibration and shock test device for internal and external parameters of a server case, the test device includes a complete server, an equivalent counterweight, an acceleration sensor, a data transmission adapter, and an acquisition device, wherein:

The equivalent counterweight includes the equivalent counterweight of the power supply, the equivalent counterweight of the extended graphics card, the equivalent counterweight of the hard disk, and a built-in acceleration sensor;

The acceleration sensor is arranged outside the server chassis;

Each acceleration sensor is connected to the acquisition device through a data transmission adapter.

The equivalent counterweight has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of the regular tetrahedron; four data transmission lines are respectively connected to it, and there are correspondingly four adapter modules inside the data transmission adapter corresponding to the equivalent Four accelerometers inside the counterweight.

In order to improve the ease of use of the device, four data cables are wrapped and combined into one cable inside the equivalent counterweight. .

The beneficial effects of the present invention are:

The invention is of great help to the design of the anti-vibration and anti-shock structure of the server chassis, and provides more judgment basis for the analysis of reliability test results. It has the characteristics of test informationization, high flexibility and easy operation.

Description of drawings

Fig. 1 is the structural representation of testing device of the present invention;

Figure 2 is a schematic diagram of the distribution of sensors inside the equivalent counterweight.

Detailed ways

The present invention will be further described below in conjunction with specific embodiments according to the accompanying drawings of the description:

Example 1:

A vibration and shock test method for internal and external parameters of a server case. During the server vibration and shock test, an equivalent counterweight with a built-in acceleration sensor is used in the server case to replace the real hard disk, power supply and extended graphics card, and the data is collected by the built-in acceleration sensor. Linear force and torque to the real hard disk, power supply and expansion graphics card;

Paste the acceleration sensor on the outer surface of the chassis, and measure the linear acceleration of the pasting point;

Use the acceleration sensors inside and outside the chassis to quantitatively describe the status of each part during the server vibration and shock test.

Example 2:

On the basis of Embodiment 1, the equivalent counterweight described in this embodiment has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of the regular tetrahedron, and are used to measure the vibration and impact of the replaced electronic components. For linear acceleration, the difference between the values measured by the four sensors in the same direction can reflect the torsion of the component.

Example 3:

On the basis of embodiment 1 or 2, the specific steps of this implementation described test method are as follows:

1) Clarify the test objectives: According to the test requirements, determine the types and quantities of quantitative parameters required inside and outside the server, and prepare the corresponding number of equivalent counterweights and acceleration sensors;

2) Build the test equipment: Place the required equivalent counterweight inside the server, the data transmission line needs to pass through the front and rear panels, paste the acceleration sensor on the required position on the outer surface of the server chassis, connect all the data lines to the corresponding adapter and then connect to the collection device;

3) Test data reading: Turn on the data acquisition device, perform vibration and impact tests on the server, and control the collection of data through computer software;

4) Data analysis: Through the analysis of the linear acceleration inside and outside the server case and the torsion data of the equivalent counterweight, the conditions inside and outside the server case during the vibration and shock test are obtained, and then the test results are judged.

In specific vibration and shock tests, the type and quantity of equivalent counterweights can be adjusted according to different needs, with high flexibility.

Example 4:

A vibration and shock test device for internal and external parameters of a server case, the test device includes a complete server 6, an equivalent counterweight, an acceleration sensor 7, a data transmission adapter 3 and an acquisition device 4, wherein:

The equivalent counterweight includes the equivalent counterweight 1 of the power supply, the equivalent counterweight 2 of the expansion graphics card, the equivalent counterweight 5 of the hard disk, and a built-in acceleration sensor;

The acceleration sensor 7 is arranged on the outside of the server machine 6 chassis;

Each acceleration sensor is connected to the acquisition device 4 through the data transmission adapter 3 .

Example 5:

On the basis of Embodiment 4, the equivalent counterweight in this implementation has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of the regular tetrahedron; four data transmission lines are connected to it respectively, and the data transmission adapter 3 Correspondingly, there are four adapter modules inside corresponding to the four acceleration sensors inside the equivalent counterweight.

Embodiment 6:

On the basis of Embodiment 5, in this implementation, in order to improve the usability of the device, four data cables are wrapped and combined into one cable inside the equivalent counterweight.

The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (6)

1. A vibration and shock test method of internal and external parameters of a server case, characterized in that: during the server vibration and shock test process, an equivalent counterweight with a built-in acceleration sensor is used to replace the real hard disk, power supply and expansion graphics card inside the server case , through the built-in acceleration sensor to collect the linear force and torque of the real hard disk, power supply and expansion graphics card; Paste the acceleration sensor on the outer surface of the chassis, and measure the linear acceleration of the pasting point; Use the acceleration sensor inside and outside the chassis to quantitatively describe the status of each part during the server vibration and shock test. 2. The method for testing vibration and shock of internal and external parameters of a server case according to claim 1, characterized in that: said equivalent counterweight has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of a regular tetrahedron The position is used to measure the linear acceleration of the replaced electronic component during vibration and impact. The difference between the values measured by the four sensors in the same direction can reflect the torsion of the component. 3. according to claim 1 or 2 described a kind of vibration and shock test method and device of internal and external parameters of server case, it is characterized in that, the specific steps of described test method are as follows: 1) Clarify the test objectives: According to the test requirements, determine the types and quantities of quantitative parameters required inside and outside the server, and prepare the corresponding number of equivalent counterweights and acceleration sensors; 2) Build the test equipment: Place the required equivalent counterweight inside the server, the data transmission line needs to pass through the front and rear panels, paste the acceleration sensor on the required position on the outer surface of the server chassis, connect all the data lines to the corresponding adapter and then connect to the collection device; 3) Test data reading: Turn on the data acquisition device, perform vibration and impact tests on the server, and control the collection of data through computer software; 4) Data analysis: Through the analysis of the linear acceleration inside and outside the server case and the torsion data of the equivalent counterweight, the conditions inside and outside the server case during the vibration and shock test are obtained, and then the test results are judged. 4. A vibration and shock test device for internal and external parameters of a server case, characterized in that: the test device includes a complete server (6), an equivalent counterweight, an acceleration sensor (7), a data transmission adapter (3) and Acquisition device (4), wherein: The equivalent counterweight includes the equivalent counterweight of the power supply (1), the equivalent counterweight of the expansion graphics card (2), the equivalent counterweight of the hard disk (5), and a built-in acceleration sensor; The acceleration sensor (7) is arranged outside the chassis of the server machine (6); Each acceleration sensor is connected to the acquisition device (4) through a data transmission adapter (3). 5. A vibration and shock testing device for internal and external parameters of a server case according to claim 4, wherein the equivalent counterweight has four built-in three-axis acceleration sensors, which are respectively located at the four vertices of a regular tetrahedron position; there are four data transmission lines connected thereto respectively, and there are correspondingly four adapter modules inside the data transmission adapter (3) corresponding to the four acceleration sensors inside the equivalent counterweight. 6. A vibration and shock testing device for internal and external parameters of a server case according to claim 5, characterized in that four data cables are wrapped and combined into one cable inside the equivalent counterweight.