CN211697993U - Superposition pulse testing device based on GMW3172 standard - Google Patents
Superposition pulse testing device based on GMW3172 standard Download PDFInfo
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- CN211697993U CN211697993U CN201922374536.0U CN201922374536U CN211697993U CN 211697993 U CN211697993 U CN 211697993U CN 201922374536 U CN201922374536 U CN 201922374536U CN 211697993 U CN211697993 U CN 211697993U
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a superposition pulse testing arrangement based on GMW3172 standard, including signal source, power, signal stack unit, voltage change simulator, the piece that awaits measuring, the signal stack unit with the input of voltage change simulator is connected, thereby realizes the stack of signal source signal and mains signal and produces composite signal; the voltage change simulator receives the composite signal, realizes simulation of the waveform conforming to the GMW3172 standard, and outputs the waveform conforming to the standard to the power supply of the piece to be tested, wherein the output end of the voltage change simulator is connected with the power supply of the piece to be tested. The device can realize the superposition of two signals and obtain the test waveform required in the GMW3172 standard, is simple to build and can be realized after simple equipment connection.
Description
Technical Field
The utility model belongs to electron measurement and instrument field especially relate to a stack pulse testing arrangement based on GMW3172 standard.
Background
In automobiles, due to reasons of design, installation, maintenance, long-term abrasion of wire harnesses and the like of various controllers and components, technicians need to obtain more device information through pulse testing and more accurately analyze and master behavior characteristics of devices.
At present, no test equipment specially aiming at the superposition pulse in the GMW3172 standard exists in domestic and foreign instrument manufacturers, and the circuit is built according to the basic principle in the standard. And the signal source cannot generate the GMW3172 standard signal waveform, resulting in the test being unable to proceed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stack pulse testing arrangement based on GMW3172 standard can realize the test waveform that requires in the GMW3172 standard, applies to above-mentioned device.
The above object can be achieved by the following technical scheme:
a superposition pulse testing device based on GMW3172 standard:
the device comprises a signal source, a power supply, a signal superposition unit, a voltage change simulator and a to-be-tested piece, wherein the signal superposition unit is connected with the input end of the voltage change simulator to realize superposition of a signal of the signal source and a signal of the power supply so as to generate a composite signal; the voltage change simulator receives the composite signal, realizes simulation of the waveform conforming to the GMW3172 standard, and outputs the waveform conforming to the standard to the power supply of the piece to be tested, wherein the output end of the voltage change simulator is connected with the power supply of the piece to be tested.
Further, the signal superposition unit comprises a protection resistor and a capacitor.
Further, the signal source is a square wave signal source.
Furthermore, the square wave amplitude of the square wave signal source is adjusted in the range of 1Hz to 4 kHz.
Further, the voltage variation simulator is provided with an integrated signal amplifier.
According to the technical scheme provided by the embodiment of the application, the signal source signal and the power signal are superposed through the signal superposition unit to generate the composite signal, the voltage change simulator simulates the voltage change waveform meeting the GMW3172 standard, the waveform is directly input to the sample power supply to be tested, and the superposed pulse test is carried out.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic waveform diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment of the present application, a superposition pulse testing apparatus based on the GMW3172 standard:
the device comprises a signal source 1, a power supply 2, a signal superposition unit, a voltage change simulator 3 and a to-be-detected piece 4.
The signal source 1 is a square wave signal source, the amplitude adjusting range of the output square wave is 1-4 kHz, the power source 2 is a direct current power source, the voltage of two ends of the direct current power source is Us, and the voltage range of the power source is adjustable;
the signal superposition unit is composed of a protection resistor R and a capacitor C, is connected with the input end of the voltage change simulator 3, and realizes superposition of a signal Up output by a signal source and a power supply voltage signal Us so as to generate a composite signal Uo, wherein in the embodiment, the resistor R is 32 omega, and the capacitor C is 10 muF;
the input end of the voltage change simulator 3 is connected with the signal superposition unit, the voltage change simulator (manufacturer EMTEST) with the model number of VDS200N is used in the embodiment to receive the composite signal, the signal is amplified through the arranged integrated DC amplifier, further simulation of the waveform conforming to the GMW3172 standard is achieved, the output end of the voltage change simulator is connected with the power supply of the piece to be tested 4, the waveform conforming to the standard is output, and the superposition pulse test is completed.
The specific steps of the test performed by the test apparatus shown in fig. 1 are as follows:
adjusting the amplitude of the square waveform output by the signal source and outputting Up;
adjusting the voltage of a direct current power supply and outputting Us;
superposing a signal Up output by a signal source and a power supply voltage signal Us through a signal superposition unit to generate a composite signal Uo, namely Uo is Us + Up;
amplifying the signal Uo through an ANALOG IN port of the VDS200N, further completing the simulation of the waveform conforming to the GMW3172 standard, and outputting the waveform conforming to the standard;
and inputting the waveform to a power supply of the piece to be tested 4, namely applying a pulse to the piece to be tested 4 to carry out a superposed pulse test.
For example, when the amplitude of the square waveform output by the signal source 1 is 1Hz, the power supply voltage signal Us is amplified to 14V, and the amplified square waveform is output to the standard waveform required by the to-be-measured element, referring to fig. 2.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A superposition pulse testing device based on GMW3172 standard is characterized in that:
the device comprises a signal source, a power supply, a signal superposition unit, a voltage change simulator and a to-be-tested piece, wherein the signal superposition unit is connected with the input end of the voltage change simulator to realize superposition of a signal of the signal source and a signal of the power supply so as to generate a composite signal; the voltage change simulator receives the composite signal, realizes simulation of the waveform conforming to the GMW3172 standard, and outputs the waveform conforming to the standard to the power supply of the piece to be tested, wherein the output end of the voltage change simulator is connected with the power supply of the piece to be tested.
2. The GMW3172 standard-based superposition pulse testing device according to claim 1, wherein the signal superposition unit comprises a protection resistor and a capacitor.
3. The GMW3172 standard-based superposition pulse testing device according to claim 1, wherein the signal source is a square wave signal source.
4. The GMW3172 standard-based superposition pulse testing device according to claim 3, wherein the square wave signal source has a square waveform amplitude adjustment range of 1Hz to 4 kHz.
5. The GMW3172 standard based superposition pulse testing device according to any of claims 1-4, characterized in that the voltage variation simulator is provided with an integrated signal amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374536.0U CN211697993U (en) | 2019-12-25 | 2019-12-25 | Superposition pulse testing device based on GMW3172 standard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374536.0U CN211697993U (en) | 2019-12-25 | 2019-12-25 | Superposition pulse testing device based on GMW3172 standard |
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| Publication Number | Publication Date |
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| CN211697993U true CN211697993U (en) | 2020-10-16 |
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| CN201922374536.0U Active CN211697993U (en) | 2019-12-25 | 2019-12-25 | Superposition pulse testing device based on GMW3172 standard |
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- 2019-12-25 CN CN201922374536.0U patent/CN211697993U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Rongtong Financial Leasing Co.,Ltd. Assignor: Dongguan East electricity detection technology Co.,Ltd. Contract record no.: X2022980014086 Denomination of utility model: A Superimposed Pulse Test Device Based on GMW3172 Standard Granted publication date: 20201016 License type: Exclusive License Record date: 20220905 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Superimposed Pulse Test Device Based on GMW3172 Standard Effective date of registration: 20220907 Granted publication date: 20201016 Pledgee: Guangdong Rongtong Financial Leasing Co.,Ltd. Pledgor: Dongguan East electricity detection technology Co.,Ltd. Registration number: Y2022980014673 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: B201, No.17, 2nd headquarters Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Dongdian Testing Technology Co.,Ltd. Address before: B201, No.17, 2nd headquarters Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee before: Dongguan East electricity detection technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: Room 201, Unit 2, Building 1, No. 17, Headquarters Second Road, Songshan Lake Park, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Dongdian Testing Technology Co.,Ltd. Address before: B201, No.17, 2nd headquarters Road, Songshanhu high tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Patentee before: Guangdong Dongdian Testing Technology Co.,Ltd. |
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Date of cancellation: 20231123 Granted publication date: 20201016 Pledgee: Guangdong Rongtong Financial Leasing Co.,Ltd. Pledgor: Dongguan East electricity detection technology Co.,Ltd. Registration number: Y2022980014673 |
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Assignee: Guangdong Rongtong Financial Leasing Co.,Ltd. Assignor: Dongguan East electricity detection technology Co.,Ltd. Contract record no.: X2022980014086 Date of cancellation: 20231127 |
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