Voltage pulse waveform adjusting device

Abstract

The utility model relates to a voltage pulse waveform adjusting device which comprises a pulse generator and a workpiece to be measured, and a transient pulse waveform device is arranged between the pulse generator and the workpiece to be measured. The transient pulse waveform device comprises a waveform shell and a transient pulse component, the transient pulse component comprises a metal grounding plate, a high-voltage metal mounting plate, a metal shielding cover, a high-voltage BNC input end binding post, a high-voltage BNC output end binding post, a resistor and a capacitor; during testing, when a transient pulse waveform generated by the pulse generator enters the transient pulse waveform device, the transient pulse waveform device adjusts the transient pulse into the pulse waveform required by the workpiece to be tested, and the transient pulse of the workpiece to be tested is detected and tested; the purpose of testing different workpieces to be tested can be achieved; the purpose of avoiding the influence on the to-be-tested workpiece or the pulse generator equipment in the transient pulse waveform conversion process in the testing process can be achieved.

Description

[Technical field]

[0001] The utility model relates to the field of pulse technology, in particular to a voltage pulse waveform adjustment device for transient pulse anti-interference testing. [Background technology]

[0002] With the increasing advancement and improvement of pulse test standards for automotive electronic components, the waveform of the transient pulse signal generated by the pulse generator needs to be differentiated to simulate transient waveforms in various states, such as square waves, triangle waves, etc. In addition to ensuring the rise time, fall time, pulse width parameters, etc., the quality requirements for the transient pulse signal waveform are getting higher and higher, and it is more flexible to make appropriate adjustments to the existing waveforms of the pulse equipment. In the existing test experiments, the workpiece to be tested is directly connected to the pulse generator for pulse testing. In this pulse test, it is easy to cause differences in the workpiece to be tested due to the conversion process of the transient pulse waveform. For example: it is impossible to adapt to new scene simulation and testing requirements, and the test quality and efficiency are relatively low. [Contents of the utility model]

[0003] In view of this, the technical problem to be solved by the utility model is to provide a voltage pulse waveform adjustment device that can affect the workpiece to be tested or the pulse generator equipment due to the transient pulse waveform conversion process during testing. The adjustment device can not only adapt to new scene simulation and testing requirements, but also improve the test quality and improve the test efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution in the utility model provides a voltage pulse waveform adjustment device, which includes a pulse generator and a workpiece to be measured. A transient pulse waveform device that can adjust the change of transient pulse waveform at any time is arranged between the pulse generator and the workpiece to be measured; the transient pulse waveform device includes a waveform shell made of insulating material placed on the periphery, and a transient pulse component installed inside the waveform shell for adjusting the change of transient pulse waveform.

[0005] It is further defined that the corrugated housing includes a concave bottom cover directly placed on the ground, and a concave upper cover installed on the bottom cover and cooperating with the bottom cover.

[0006] It is further defined that the transient pulse component includes a metal grounding plate directly placed on the inner surface of the bottom cover, a high-voltage metal mounting plate installed on one side of the metal grounding plate, a metal shielding cover installed on the upper end surface of the high-voltage metal mounting plate, high-voltage BNC input terminal binding posts and high-voltage BNC output terminal binding posts respectively installed on both sides of the high-voltage metal mounting plate, a resistor installed on the common output end of the high-voltage BNC input terminal binding posts and the high-voltage BNC output terminal binding posts, and a capacitor welded on the resistor, wherein the resistor and capacitor are connected in parallel.

[0007] It is further defined that the metal grounding plate, the high-voltage metal mounting plate, and the metal shielding cover are all metal plates made of metal materials; the high-voltage BNC input terminal terminal and the high-voltage BNC output terminal terminal are collectively referred to as terminal terminals, the positive terminal of the terminal terminal adopts a high-voltage resistant BNC port, and the negative terminal is connected to the metal plate.

[0008] The beneficial technical effects of the utility model are as follows: a transient pulse waveform device capable of adjusting the change of the transient pulse waveform at any time is arranged between the pulse generator and the workpiece to be tested; the transient pulse waveform device includes a waveform shell made of insulating material placed on the periphery, and a transient pulse component installed inside the waveform shell for adjusting the change of the transient pulse waveform. During installation, the high-voltage BNC input terminal terminal on the transient pulse waveform device is connected to the pulse generator, and the high-voltage BNC output terminal terminal on the transient pulse waveform device is connected to the workpiece to be tested. During testing, when the pulse generator generates a transient pulse waveform and enters the interior of the transient pulse waveform device, the transient pulse is adjusted by the transient pulse waveform device to a pulse waveform required by the workpiece to be tested, and the transient pulse of the workpiece to be tested is detected and tested. During this test process, there is no need for manual intervention to adjust the waveform generated by the pulse generator to see if it is consistent with the waveform required by the workpiece to be tested, and the purpose of testing different workpieces to be tested can be achieved. Compared with the test method in the prior art where the pulse generator is directly connected to the workpiece to be tested, the purpose of avoiding the influence on the workpiece to be tested or the pulse generator device caused by the transient pulse waveform conversion process during the test can be avoided. Therefore, the test method after using the adjustment device described in this case can not only adapt to the new scene simulation and test requirements, but also improve the test quality and improve the test efficiency.

[0009] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments.

Brief Description of the Drawings

[0010] Figure 1 This is a block diagram of a voltage pulse waveform adjustment device in the utility model;

[0011] Figure 2 It is a three-dimensional schematic diagram of the appearance of the transient pulse waveform device in the utility model;

[0012] Figure 3 This is a three-dimensional exploded schematic diagram of the appearance of the transient pulse waveform device in the utility model;

[0013] Figure 4 This is a circuit schematic diagram of the transient pulse waveform device in the utility model. [Specific implementation method]

[0014] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0015] Please refer to Figures 1 to 4 As shown, a voltage pulse waveform adjustment device is described below in conjunction with an embodiment, which includes a pulse generator, a workpiece to be measured, and a transient pulse waveform device.

[0016] The transient pulse waveform device of the present application comprises a waveform housing made of insulating material and arranged at the periphery, and a transient pulse component installed inside the waveform housing and used for adjusting the transient pulse waveform change.

[0017] The corrugated housing comprises a concave bottom cover 1 directly placed on the ground, and a concave upper cover 2 mounted on the bottom cover 1 and cooperating with the bottom cover 1 .

[0018] The transient pulse component includes a metal grounding plate 3 directly placed on the inner surface of the bottom cover 1, a high-voltage metal mounting plate 4 installed on one side of the metal grounding plate 3, a metal shielding cover 5 installed on the upper end surface of the high-voltage metal mounting plate 4, high-voltage BNC input terminal binding posts 6 and high-voltage BNC output terminal binding posts 7 respectively installed on both sides of the high-voltage metal mounting plate 4, a resistor 8 installed on the common output end of the high-voltage BNC input terminal binding posts 6 and the high-voltage BNC output terminal binding posts 7, and a capacitor 9 welded on the resistor 8, wherein the resistor 8 and the capacitor 9 are connected in parallel. In the present embodiment, the symbol of the resistor 8 is R, and the symbol of the capacitor 9 is C.

[0019] The metal grounding plate 3, the high-voltage metal mounting plate 4, and the metal shielding cover 5 are all made of metal materials. The high-voltage BNC input terminal terminal 6 and the high-voltage BNC output terminal terminal 7 are collectively referred to as terminals, and the positive terminal of the terminal adopts a high-voltage resistant BNC port, and the negative terminal is connected to the metal plate.

[0020] During installation, the high-voltage BNC input terminal terminal 6 on the transient pulse waveform device is connected to the pulse generator, and the high-voltage BNC output terminal terminal 7 on the transient pulse waveform device is connected to the workpiece to be tested. The transient pulse waveform device is mainly used to adjust the transient pulse waveform change between the pulse generator and the workpiece to be tested. The transient pulse waveform change specifically refers to converting the transient pulse square wave waveform into a triangle wave waveform.

[0021] During the test, when the pulse generator generates a transient pulse waveform that enters the transient pulse waveform device, the transient pulse waveform device adjusts the transient pulse into the pulse waveform required by the workpiece to be tested, and detects and tests the transient pulse of the workpiece to be tested. In this test process, there is no need for manual participation to adjust the waveform generated by the pulse generator to see if it is consistent with the waveform required by the workpiece to be tested, so that different workpieces to be tested can be tested. Compared with the test method in the prior art in which the pulse generator is directly connected to the workpiece to be tested, it can avoid the effect on the workpiece to be tested or the pulse generator equipment caused by the transient pulse waveform conversion process during the test. Therefore. As a result, the test method after using the adjustment device described in this case can not only adapt to new scene simulation and test requirements, but also improve the test quality and improve the efficiency of the test.

[0022] When testing transient pulse interference, for different workpieces to be tested, the input end of the high-voltage BNC input terminal terminal 6 of the injection device is connected to the pulse generator, and the output end of the high-voltage BNC output terminal terminal 7 is connected to the line to be tested. The terminal in this case uses a high-voltage BNC terminal, which is connected to the waveform adjustment unit and then output through the high-voltage BNC terminal, which is convenient for connection with the line to be tested.

[0023] The preferred embodiments of the present invention are described above with reference to the accompanying drawings, but the scope of the present invention is not limited by this. Any modification, equivalent substitution and improvement made by a person skilled in the art without departing from the scope and essence of the present invention shall be within the scope of the present invention.

Claims

1. A voltage pulse waveform adjustment device, comprising a pulse generator and a workpiece to be measured, characterized in that: A transient pulse waveform device capable of adjusting the transient pulse waveform change at any time is arranged between the pulse generator and the workpiece to be measured; The transient pulse waveform device comprises a waveform shell made of insulating material and arranged on the periphery, and a transient pulse component installed inside the waveform shell and used for adjusting the transient pulse waveform change.

2. A voltage pulse waveform adjustment device according to claim 1, characterized in that: The corrugated housing comprises a concave bottom cover which is directly placed on the ground, and a concave upper cover which is installed on the bottom cover and cooperates with the bottom cover.

3. A voltage pulse waveform adjustment device according to claim 1, characterized in that: The transient pulse component includes a metal grounding plate directly placed on the inner surface of the bottom cover, a high-voltage metal mounting plate installed on one side of the metal grounding plate, a metal shielding cover installed on the upper end surface of the high-voltage metal mounting plate, high-voltage BNC input terminal binding posts and high-voltage BNC output terminal binding posts respectively installed on both sides of the high-voltage metal mounting plate, a resistor installed on the common output end of the high-voltage BNC input terminal binding posts and the high-voltage BNC output terminal binding posts, and a capacitor welded on the resistor, wherein the resistor and capacitor are connected in parallel.

4. A voltage pulse waveform adjustment device according to claim 3, characterized in that: The metal grounding plate, high-voltage metal mounting plate, and metal shielding cover are all made of metal materials; the high-voltage BNC input terminal terminal and the high-voltage BNC output terminal terminal are collectively referred to as terminal terminals, the positive terminal of the terminal terminal adopts a high-voltage resistant BNC port, and the negative terminal is connected to the metal plate.

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