CN210323232U - New energy automobile high pressure injection coupling test system - Google Patents
New energy automobile high pressure injection coupling test system Download PDFInfo
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- CN210323232U CN210323232U CN201921077350.2U CN201921077350U CN210323232U CN 210323232 U CN210323232 U CN 210323232U CN 201921077350 U CN201921077350 U CN 201921077350U CN 210323232 U CN210323232 U CN 210323232U
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Abstract
The utility model discloses a new energy automobile high pressure injection coupling test system, including the control cabinet body, computer display, industrial computer, power amplifier, coupler, power probe, shielding chamber, test table, power, artificial network, current injection pincers, tested product wire, tested product; the display interface of the computer display is connected with the display output interface of the industrial personal computer, and the waveform output interface of the industrial personal computer is connected with the output interface of the power amplifier; two USB interfaces of the industrial personal computer are respectively connected with the front output interface and the reverse output interface of the coupler through power probes; the waveform input interface of the industrial personal computer and the power output end of the coupler are connected with the current injection clamp; a test table is arranged in the shielding chamber, a power supply on the test table is connected with an artificial network, and the artificial network penetrates through the current injection clamp through a lead of a tested product to be connected with the tested product. The utility model discloses can help new forms of energy car factory to improve product quality, increase company's test item, improve company competitiveness.
Description
Technical Field
The utility model relates to a new energy automobile test system especially relates to a new energy automobile high pressure injection coupling test system, belongs to electromagnetic compatibility test field.
Background
The electromagnetic compatibility test emc (electro Magnetic compatibility) refers to the ability of a device or system to operate satisfactorily in its electromagnetic environment without generating intolerable electromagnetic interference to any device in its environment. EMC design is complementary to EMC testing. The goodness of the EMC design is measured by EMC testing. Only in the whole process of EMC design and development of a product, the compatibility prediction and evaluation of EMC can find possible electromagnetic interference early and take necessary suppression and protection measures so as to ensure the electromagnetic compatibility of the system. Otherwise, when the product is shaped or the system is built, the problem of incompatibility is found, and the design needs to be modified or remedial measures need to be adopted at great expense on manpower and material resources. However, it is often difficult to solve the problem completely, and it causes many troubles in use of the system.
According to the EMC test standard of the Giley and Volvo new energy automobile, a special oscillation waveform is provided, the waveform is high-voltage line injection interference, and electromagnetic compatibility noise is received at a low-voltage line end by an antenna or a current probe, so that the requirement of the isolation degree of a high-voltage loop and a low-voltage loop of a high-voltage part of the new energy automobile is investigated, the waveform is actually acquired at the new energy automobile, in order to improve the product quality of new energy and ensure the electromagnetic compatibility requirement of the whole automobile, a third-party EMC laboratory is required by an automobile factory to have the test capability, and therefore, a new energy automobile high-voltage injection coupling test system is developed, and the problem to be solved by technical personnel in the field is solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned not enough, provide a new energy automobile high pressure and pour into coupling test system into.
The above object of the present invention is achieved by the following technical solutions: a new energy automobile high-voltage injection coupling test system comprises a control cabinet body, a computer display, an industrial personal computer, a power amplifier, a coupler, a power probe, a shielding chamber, a test table, a power supply, an artificial network, a current injection clamp, a tested product lead and a tested product;
the display interface of the computer display is connected with the display output interface of the industrial personal computer, and the waveform output interface of the industrial personal computer is connected with the output interface of the power amplifier; two USB interfaces of the industrial personal computer are respectively connected with a forward output interface and a reverse output interface of the coupler through power probes; the waveform input interface of the industrial personal computer and the power output end of the coupler are connected with the current injection clamp;
the testing table is arranged in the shielding chamber, a power supply, an artificial network and a current injection clamp are arranged on the testing table, the power supply is connected with the artificial network, and the artificial network penetrates through the current injection clamp through a lead of a tested product to be connected with the tested product.
The working principle of the utility model is as follows: waveform is edited by Bechlink software and is sent to a function signal generator, the output of the function signal generator is input into a power amplifier through a coaxial cable, and the output of the power amplifier is connected to a current injection clamp through the coaxial cable. The bandwidth of the function signal generator must be selected to be larger than 120MHz, the sampling rate is selected to be 1GSa/s, and only if the waveform passing through the power amplifier is not distorted, the rise time can reach ns level.
The utility model has the advantages of:
(1) the utility model discloses have high stability, accuracy nature and flexibility.
Hardware system:
the utility model discloses a current function signal generator, power amplifier, directional coupler, oscilloscope, high-power attenuator, high-power terminal load, current injection probe, radio frequency cable, current coupling device. The utility model discloses a system is very economic nature in the use, all utilizes current conventional equipment, can not bring any investment pressure for the user, matches different electromagnetic compatibility laboratories easily moreover, and the test result is stable, reliable, can not receive the influence in test place.
A software system:
the utility model discloses a software adopts the usa to be the benchlink of moral science and technology, and this software has powerful waveform editing function, and this software operation is under general Windows system, and operation interface is very simple. Meanwhile, the software is used for controlling the output signal of the function signal generator and setting different utilization rates and bandwidths. Simultaneously the utility model discloses very nimble, other test software of compatible simultaneously, like Labview etc..
(2) The utility model has high economic value.
The utility model provides a rise time that initial wave form was mentioned to Jili and wolvo high pressure standard, and the wave form passes through the problem of power amplifier wave form distortion, rise time can reach the nanosecond level, the problem that new forms of energy high-low pressure coupling test resource is deficient has also been solved simultaneously, finally can help new energy automobile high pressure product designer, the high-pressure return circuit and the low pressure return circuit isolation requirement of prejudging high-pressure product in advance, a large amount of test cost has been saved, thereby improve the high-pressure product electromagnetic compatibility requirement, improve china's new energy automobile product quality.
Compared with the prior art, the utility model the advantage be: the method can help new energy vehicles and factories to improve the product quality (electromagnetic compatibility), increase the testing items of companies and improve the competitiveness of the companies.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a new energy automobile high-voltage injection coupling test system comprises a control cabinet body 1, a computer display 2, an industrial personal computer 3, a power amplifier 4, a coupler 5, a power probe 6, a shielding chamber 7, a test table 8, a power supply 9, an artificial network 10, a current injection clamp 11, a tested product lead 12 and a tested product 13;
a display interface 2-1 of the computer display 2 is connected with a display output interface 3-1 of the industrial personal computer 3, and a waveform output interface 3-3 of the industrial personal computer 3 is connected with an output interface 4-1 of the power amplifier 4; the USB interface 3-2 and the USB interface 3-4 of the industrial personal computer 3 are respectively connected with the forward output interface 5-4 and the reverse output interface 5-3 of the coupler 5 through the power probe 6; the industrial personal computer 3 is connected with the current injection clamp 11 through a waveform input interface 3-5 and a power output end 5-2 of the coupler 5;
the shielding room 7 is internally provided with a testing table 8, the testing table 8 is provided with a power supply 9, an artificial network 10 and a current injection clamp 11, the power supply 9 is connected with the artificial network 10, and the artificial network 10 passes through the current injection clamp 11 through a tested product lead 12 to be connected with a tested product 13.
The working principle of the utility model is as follows: waveform is edited by Bechlink software and is sent to a function signal generator, the output of the function signal generator is input into a power amplifier through a coaxial cable, and the output of the power amplifier is connected to a current injection clamp through the coaxial cable. The bandwidth of the function signal generator must be selected to be larger than 120MHz, the sampling rate is selected to be 1GSa/s, and only if the waveform passing through the power amplifier is not distorted, the rise time can reach ns level.
The utility model has the advantages of:
(1) the utility model discloses have high stability, accuracy nature and flexibility.
Hardware system:
the utility model discloses a current function signal generator, power amplifier, directional coupler, oscilloscope, high-power attenuator, high-power terminal load, current injection probe, radio frequency cable, current coupling device. The utility model discloses a system is very economic nature in the use, all utilizes current conventional equipment, can not bring any investment pressure for the user, matches different electromagnetic compatibility laboratories easily moreover, and the test result is stable, reliable, can not receive the influence in test place.
A software system:
the utility model discloses a software adopts the usa to be the benchlink of moral science and technology, and this software has powerful waveform editing function, and this software operation is under general Windows system, and operation interface is very simple. Meanwhile, the software is used for controlling the output signal of the function signal generator and setting different utilization rates and bandwidths. Simultaneously the utility model discloses very nimble, other test software of compatible simultaneously, like Labview etc..
(2) The utility model has high economic value.
The utility model provides a Jili high pressure standard mention the rise time of initial wave form, and the wave form passes through the problem of power amplifier wave form distortion, rise time can reach the nanosecond level, the problem that new forms of energy high-low pressure coupling test resource is deficient has also been solved simultaneously, finally can help new energy automobile high pressure product designer, the high-pressure return circuit and the low pressure return circuit isolation requirement of prejudging high-pressure product in advance, a large amount of test expenses have been saved, thereby improve the high-pressure product electromagnetic compatibility requirement, improve china's new energy automobile product quality.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (1)
1. The utility model provides a new energy automobile high pressure injection coupling test system which characterized in that: the device comprises a control cabinet body, a computer display, an industrial personal computer, a power amplifier, a coupler, a power probe, a shielding chamber, a test table, a power supply, an artificial network, a current injection clamp, a lead of a tested product and the tested product;
the display interface of the computer display is connected with the display output interface of the industrial personal computer, and the waveform output interface of the industrial personal computer is connected with the output interface of the power amplifier; two USB interfaces of the industrial personal computer are respectively connected with a forward output interface and a reverse output interface of the coupler through power probes; the waveform input interface of the industrial personal computer and the power output end of the coupler are connected with the current injection clamp;
the testing table is arranged in the shielding chamber, a power supply, an artificial network and a current injection clamp are arranged on the testing table, the power supply is connected with the artificial network, and the artificial network penetrates through the current injection clamp through a lead of a tested product to be connected with the tested product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077350.2U CN210323232U (en) | 2019-07-11 | 2019-07-11 | New energy automobile high pressure injection coupling test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921077350.2U CN210323232U (en) | 2019-07-11 | 2019-07-11 | New energy automobile high pressure injection coupling test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210323232U true CN210323232U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921077350.2U Active CN210323232U (en) | 2019-07-11 | 2019-07-11 | New energy automobile high pressure injection coupling test system |
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| CN (1) | CN210323232U (en) |
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2019
- 2019-07-11 CN CN201921077350.2U patent/CN210323232U/en active Active
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