CN111157832A - Electromagnetic compatibility testing method and device and computer readable storage medium - Google Patents
Electromagnetic compatibility testing method and device and computer readable storage medium Download PDFInfo
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- CN111157832A CN111157832A CN202010253330.7A CN202010253330A CN111157832A CN 111157832 A CN111157832 A CN 111157832A CN 202010253330 A CN202010253330 A CN 202010253330A CN 111157832 A CN111157832 A CN 111157832A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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Abstract
The invention discloses an electromagnetic compatibility testing method, which comprises the following steps: setting the working state of a vehicle, and determining working state information according to the working state, wherein the working state is one of a plurality of preset working states; controlling the vehicle-mounted electronic equipment to operate according to the working state information; acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs; and combining the equipment transmitting information and the working state information to generate an equipment test result. The invention also discloses an electromagnetic compatibility testing device and a computer readable storage medium. The invention can realize the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a radiation emission mode and the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a conduction emission mode.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for testing electromagnetic compatibility, and a computer-readable storage medium.
Background
The electromagnetic compatibility is a great technical problem in the current automobile industry, and in the development process of automobile development, the safety and the reliability of an automobile are improved while normal work of other surrounding electronic electrical equipment is not influenced by the automobile electronic electrical equipment; in the running process of the electric vehicle, the circuit system of the electric vehicle breaks down due to electromagnetic interference generated by the electric equipment of the electric vehicle and the electric equipment of the external environment, so that the vehicle cannot run normally, and even sudden circuit system of the electric vehicle is out of control in severe cases, thereby seriously affecting the running safety and reliability of the electric vehicle.
At present, the measurement of the electromagnetic compatibility of the vehicle-mounted electronic equipment of the electric vehicle only acquires data of the vehicle-mounted electronic equipment in a normal working state, does not simulate the electromagnetic compatibility of the vehicle-mounted electronic equipment in a special operating environment, cannot comprehensively acquire the electromagnetic compatibility of the vehicle-mounted electronic equipment, and cannot accurately judge the performance of the vehicle-mounted electronic equipment.
Disclosure of Invention
The invention mainly aims to provide a method and a device for testing electromagnetic compatibility and a computer readable storage medium, aiming at realizing the function of accurately measuring the electromagnetic compatibility of vehicle-mounted electronic equipment.
In order to achieve the above object, the present invention provides an electromagnetic compatibility testing method, which comprises the following steps:
setting the working state of a vehicle, and determining working state information according to the working state, wherein the working state is one of a plurality of preset working states;
controlling the vehicle-mounted electronic equipment to operate according to the working state information;
acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs;
and combining the equipment transmitting information and the working state information to generate an equipment test result.
Optionally, after the step of acquiring device emission information generated when the vehicle-mounted electronic device operates, the method includes:
detecting whether the device transmission information is greater than a device transmission threshold;
if the equipment transmitting information is larger than an equipment transmitting threshold, obtaining the transmitting ratio information according to the equipment transmitting information and the equipment transmitting threshold;
the step of combining the device emission information, the working state information and the device to be tested to generate a device test result comprises:
and combining the transmission ratio information, the equipment transmission information and the working state information to generate an equipment test result.
Optionally, after the step of detecting whether the device transmission information is greater than a device transmission threshold, the method includes:
if the equipment transmission information is less than or equal to an equipment transmission threshold value, executing: and combining the equipment transmitting information and the working state information to generate an equipment test result.
Optionally, after the step of determining that the device transmission information is less than or equal to the device transmission threshold, the method includes:
sending an electronic interference signal to the vehicle-mounted electronic equipment;
acquiring equipment operation information of the vehicle-mounted electronic equipment;
detecting whether the equipment operation information is normal operation information or not;
and if the equipment operation information is a normal operation result, combining the equipment operation information and the working state information to generate an equipment anti-interference result.
Optionally, after the step of detecting whether the device operation information is normal operation information, the method includes:
and if the equipment operation information is not a normal operation result, combining the equipment operation information and the working state information to generate an anti-interference failure result.
Optionally, the step of controlling the operation of the vehicle-mounted electronic device according to the operating state information includes:
generating equipment test parameters according to the working state information;
and controlling the vehicle-mounted electronic equipment to operate according to the equipment test parameters.
Optionally, the preset working state is a working state when the vehicle-mounted electronic device simulates that the vehicle accelerates, decelerates, accelerates again, decelerates again, accelerates again, and circulates for a preset number of times; the working state information is the running parameters of the vehicle-mounted electronic equipment under the working state of simulating the vehicle to accelerate, decelerate, accelerate again, decelerate again, accelerate again and circulate for preset times.
Optionally, the preset working state is a working state in which the vehicle-mounted electronic device simulates that the rotating speed of the vehicle exceeds a preset rotating speed or the vehicle brakes suddenly; the working state information is the running parameters of the vehicle-mounted electronic equipment when the rotating speed of the simulated vehicle exceeds the preset rotating speed or the vehicle is in the working state of sudden braking.
In addition, to achieve the above object, the present invention further provides an electromagnetic compatibility testing apparatus, including: the electromagnetic compatibility testing program is stored on the memory and can be operated on the processor, and the steps of the electromagnetic compatibility testing method are realized when the electromagnetic compatibility testing program is executed by the processor.
In addition, to achieve the above object, the present invention also provides a computer readable storage medium having an electromagnetic compatibility test program stored thereon, the electromagnetic compatibility test program, when executed by a processor, implementing the steps of the electromagnetic compatibility test method as described above.
The invention provides an electromagnetic compatibility testing method, an electromagnetic compatibility testing device and a computer readable storage medium, wherein the working state of a vehicle is set, and working state information is determined according to the working state, wherein the working state is one of multiple preset working states; controlling the vehicle-mounted electronic equipment to operate according to the working state information; acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs; and combining the equipment transmitting information and the working state information to generate an equipment test result. Through the mode, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment can be realized, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment through a radiation emission mode can be realized, and the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment through a conduction emission mode can be realized.
Drawings
Fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a first exemplary embodiment of an electromagnetic compatibility testing method according to the present invention;
fig. 3 is a flowchart illustrating an electromagnetic compatibility testing method according to a second embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main solution of the embodiment of the invention is as follows: setting the working state of a vehicle, and determining working state information according to the working state, wherein the working state is one of a plurality of preset working states; controlling the vehicle-mounted electronic equipment to operate according to the working state information; acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs; and combining the equipment transmitting information and the working state information to generate an equipment test result.
The existing measurement for the electromagnetic compatibility of the vehicle-mounted electronic equipment of the electric vehicle only acquires data of the vehicle-mounted electronic equipment in a normal working state, does not simulate the electromagnetic compatibility of the vehicle-mounted electronic equipment in a special operating environment, cannot comprehensively acquire the electromagnetic compatibility of the vehicle-mounted electronic equipment, and cannot accurately judge the performance of the vehicle-mounted electronic equipment.
The invention realizes the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment.
As shown in fig. 1, fig. 1 is a schematic terminal structure diagram of a hardware operating environment according to an embodiment of the present invention.
The terminal of the embodiment of the invention can be a PC, and can also be a mobile terminal device with a display function, such as a smart phone, a tablet computer and the like.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Preferably, the terminal may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display screen according to the brightness of ambient light, and a proximity sensor that may turn off the display screen and/or the backlight when the mobile terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when the mobile terminal is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer and tapping) and the like for recognizing the attitude of the mobile terminal; of course, the mobile terminal may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are not described herein again.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an electromagnetic compatibility test program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call the electromagnetic compatibility test program stored in the memory 1005 and perform the following operations:
setting the working state of a vehicle, and determining working state information according to the working state, wherein the working state is one of a plurality of preset working states;
controlling the vehicle-mounted electronic equipment to operate according to the working state information;
acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs;
and combining the equipment transmitting information and the working state information to generate an equipment test result.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
detecting whether the device transmission information is greater than a device transmission threshold;
if the equipment transmitting information is larger than an equipment transmitting threshold, obtaining the transmitting ratio information according to the equipment transmitting information and the equipment transmitting threshold;
the step of combining the device emission information, the working state information and the device to be tested to generate a device test result comprises:
and combining the transmission ratio information, the equipment transmission information and the working state information to generate an equipment test result.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
if the equipment transmission information is less than or equal to an equipment transmission threshold value, executing: and combining the equipment transmitting information and the working state information to generate an equipment test result.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
sending an electronic interference signal to the vehicle-mounted electronic equipment;
sending an electronic interference signal to the vehicle-mounted electronic equipment;
acquiring equipment operation information of the vehicle-mounted electronic equipment;
detecting whether the equipment operation information is normal operation information or not;
and if the equipment operation information is a normal operation result, combining the equipment operation information and the working state information to generate an equipment anti-interference result.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
and if the equipment operation information is not a normal operation result, combining the equipment operation information and the working state information to generate an anti-interference failure result.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
generating equipment test parameters according to the working state information;
and controlling the vehicle-mounted electronic equipment to operate according to the equipment test parameters.
Further, the processor 1001 may call the electromagnetic compatibility test program stored in the memory 1005, and further perform the following operations:
further, the preset working state is a working state when the vehicle-mounted electronic equipment simulates that the vehicle accelerates, decelerates, accelerates again, decelerates again, accelerates again and circulates for a preset number of times; the working state information is the running parameters of the vehicle-mounted electronic equipment under the working state of simulating the vehicle to accelerate, decelerate, accelerate again, decelerate again, accelerate again and circulate for preset times.
Further, the preset working state is a working state that the vehicle-mounted electronic equipment simulates that the rotating speed of the vehicle exceeds a preset rotating speed or the vehicle brakes suddenly; the working state information is the running parameters of the vehicle-mounted electronic equipment when the rotating speed of the simulated vehicle exceeds the preset rotating speed or the vehicle is in the working state of sudden braking.
Based on the hardware structure, the embodiment of the electromagnetic compatibility testing method is provided.
The invention relates to an electromagnetic compatibility testing method.
Referring to fig. 2, fig. 2 is a flowchart illustrating a first embodiment of an electromagnetic compatibility testing method according to the present invention.
In the embodiment of the present invention, the electromagnetic compatibility testing method is applied to an electromagnetic compatibility testing apparatus, and the method includes:
step S10, setting the working state of the vehicle, and determining the working state information according to the working state, wherein the working state is one of a plurality of preset working states;
in this embodiment, when performing electromagnetic compatibility detection on the vehicle-mounted electronic device, a preset working state needs to be set first, and the electromagnetic compatibility testing device reads working state information corresponding to the preset working state from a database, where the working state is one of multiple preset working states; the electromagnetic compatibility testing device is used for detecting the electromagnetic compatibility of vehicle-mounted electronic equipment of the electric vehicle, and is mainly used for measuring a radiation emission value and a conduction emission value of the vehicle-mounted electronic equipment; the electromagnetic compatibility testing device can be used for arranging the vehicle-mounted electronic equipment in a testing darkroom and detecting equipment emission information of the vehicle-mounted electronic equipment; the preset working state is actively set by the electromagnetic compatibility testing device, and the working state information can also be actively set by a manager so as to detect the electromagnetic compatibility of the vehicle-mounted electronic equipment in a special operating environment; the preset working state can be a working state defined by a client; the preset working state can be a working state of the vehicle-mounted electronic equipment under a possible working condition; the preset working state is a state simulating the running of the vehicle, and can be a low-speed running state, a high-speed running state, an accelerated running state or a medium-speed running state; the working state information can be the state information of the vehicle-mounted electronic equipment in a special operating environment; the working state information can set vehicle operation parameters when the vehicle is in specific operation; the preset working state is a working state of a vehicle preset by a user; the working state information can also be the running parameters of the working state of the vehicle-mounted electronic equipment when the vehicle-mounted electronic equipment simulates that the vehicle accelerates, decelerates, accelerates again, decelerates again, accelerates again and circulates for preset times; the preset working state can be a working state that the vehicle-mounted electronic equipment simulates that the rotating speed of the vehicle exceeds the preset rotating speed or the vehicle brakes suddenly; the working state information can be the running parameters of the vehicle-mounted electronic equipment under the condition of simulating the working state of the automobile at the preset rotating speed; the working state information can also be running parameters of the vehicle-mounted electronic equipment when the simulated vehicle rotating speed exceeds the preset rotating speed or the vehicle is in a working state of sudden braking. The vehicle-mounted electronic equipment can be a navigation system of the electric vehicle and also can be an electronic part of the electric vehicle; the radiation emission value is mainly obtained through a test antenna and is mainly used for detecting electromagnetic waves radiated outwards by the vehicle-mounted electronic equipment; the conducted emission value is mainly obtained through an artificial power supply network and is mainly used for detecting electromagnetic waves conducted outside by vehicle-mounted electronic equipment through a lead.
Step S20, controlling the vehicle-mounted electronic equipment to operate according to the working state information;
in the embodiment, after the electromagnetic compatibility testing device determines the working state information of the vehicle-mounted electronic equipment, the electromagnetic compatibility testing device controls the vehicle-mounted electronic equipment to operate according to the working state information; the vehicle-mounted electronic equipment radiates electromagnetic waves outwards through air after operation, and the vehicle-mounted electronic equipment radiates electromagnetic waves outwards through the conducting wire after operation.
Step S20 is to control the operation of the vehicle-mounted electronic device according to the operating state information and the device under test information, and may include:
step c1, generating equipment testing parameters according to the working state information;
and c2, controlling the vehicle-mounted electronic equipment to operate according to the equipment test parameters.
In this embodiment, after the electromagnetic compatibility testing device determines the operating state information of the vehicle-mounted electronic device, the electromagnetic compatibility testing device generates device testing parameters according to the operating state information; and the electromagnetic compatibility testing device controls the vehicle-mounted electronic equipment to operate according to the equipment testing parameters. The device test parameters are parameters of the vehicle-mounted electronic device, which need to operate, and may be current or voltage of the vehicle-mounted electronic device during normal operation.
Step S30, acquiring device emission information generated when the vehicle-mounted electronic device runs;
in this embodiment, after the electromagnetic compatibility testing device controls the vehicle-mounted electronic equipment to operate, the electromagnetic compatibility testing device may acquire electromagnetic waves radiated to the air by the vehicle-mounted electronic equipment through the test antenna; the electromagnetic compatibility testing device can also obtain the electromagnetic waves radiated by the vehicle-mounted electronic equipment through an artificial power supply network connected with the vehicle-mounted electronic equipment through a lead. Wherein the device transmitting information comprises: radiating the transmitted electromagnetic wave information and conducting the transmitted electromagnetic wave information.
And step S40, merging the equipment transmitting information and the working state information to generate an equipment test result.
In this embodiment, after the electromagnetic compatibility testing device acquires the device transmission information of the vehicle-mounted electronic device, the electromagnetic compatibility testing device combines the device transmission information and the operating state information to generate a device testing result.
According to the scheme, the working state of the vehicle is set, and the working state information is determined according to the working state, wherein the working state is one of multiple preset working states; controlling the vehicle-mounted electronic equipment to operate according to the working state information; acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs; and combining the equipment transmitting information and the working state information to generate an equipment test result. Therefore, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment is realized, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a radiation emission mode is realized, and the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a conduction emission mode is realized.
Further, referring to fig. 3, fig. 3 is a flowchart illustrating an electromagnetic compatibility testing method according to a second embodiment of the present invention. Based on the above-mentioned embodiment shown in fig. 2, after the step S30 obtains the device transmission information generated when the vehicle-mounted electronic device operates, the method may include:
step S50, detecting whether the equipment emission information is larger than an equipment emission threshold value;
in this embodiment, after the electromagnetic compatibility testing device obtains the device emission information of the vehicle-mounted electronic device, the electromagnetic compatibility testing device detects whether the device emission information of the vehicle-mounted electronic device is greater than a device emission threshold; the device transmission threshold may be an industry standard for electromagnetic compatibility of the vehicle-mounted electronic device, and the device transmission threshold may also be an enterprise standard for electromagnetic compatibility of the vehicle-mounted electronic device.
As an implementation manner, in this embodiment, after the electromagnetic compatibility testing device obtains the emission value and the conducted emission value of the vehicle-mounted electronic device, the electromagnetic compatibility testing device compares the radiation emission value with a radiation standard value of electromagnetic compatibility of the electric vehicle, and compares the conducted emission value with a conduction standard value of electromagnetic compatibility of the electric vehicle.
Step S60, if the equipment emission information is larger than the equipment emission threshold, obtaining the emission ratio information according to the equipment emission information and the equipment emission threshold;
in this embodiment, when the electromagnetic compatibility testing apparatus detects that the device transmission information is greater than the device transmission threshold, the electromagnetic compatibility testing apparatus obtains the transmission ratio information according to the device transmission information and the device transmission threshold, that is, the percentage of the device transmission information exceeding the device transmission threshold by the electromagnetic compatibility testing apparatus. The emission ratio information is used for measuring the degree of electromagnetic waves radiated by the vehicle-mounted electronic equipment.
Step S40 is to combine the device transmission information and the operating status information to generate a device test result, which may include:
and step S41, combining the emission ratio information, the equipment emission information and the working state information to generate an equipment test result.
In this example, after the electromagnetic compatibility testing device obtains the transmission ratio information of the vehicle-mounted electronic device, the electromagnetic compatibility testing device combines the transmission ratio information, the device transmission information, and the operating state information to generate a device testing result. And storing the equipment test result in a local memory of the electromagnetic compatibility test device.
After the step S50 detects whether the device transmission information is greater than the device transmission threshold, the method may include:
step d, if the equipment transmitting information is less than or equal to the equipment transmitting threshold, executing: and combining the equipment transmitting information and the working state information to generate an equipment test result.
In the present embodiment, when the electromagnetic compatibility testing apparatus detects that the device emission information is less than or equal to the device emission threshold, the electromagnetic compatibility testing apparatus performs step S40.
If the device transmission information is less than or equal to the device transmission threshold, the step d may include:
step e1, sending an electronic interference signal to the vehicle-mounted electronic equipment;
step e2, acquiring device operation information of the vehicle-mounted electronic device;
step e3, detecting whether the equipment operation information is a normal operation result;
and e4, if the equipment operation information is a normal operation result, combining the equipment operation information and the working state information to generate an equipment anti-interference result.
In this embodiment, when the electromagnetic compatibility testing device detects that the device transmission information is less than or equal to the device transmission threshold, the electromagnetic compatibility testing device sends an electronic interference signal to the vehicle-mounted electronic device, so as to test that the vehicle-mounted electronic device can normally operate under the electronic interference signal; the electromagnetic compatibility testing device obtains equipment operation information of the vehicle-mounted electronic equipment, detects whether the obtained equipment operation information is a normal operation result (namely, detects whether the vehicle-mounted electronic device works normally under an electronic interference signal), and when the electromagnetic compatibility testing device detects that the equipment operation information is the normal operation result (when the electromagnetic compatibility testing device detects that the vehicle-mounted electronic device works normally under the electronic interference signal), the electromagnetic compatibility testing device combines the equipment operation information and the working state information to generate an equipment anti-interference result. The electronic interference information is a signal for interfering the vehicle-mounted electronic equipment, and may be a signal transmitted in a radiation interference manner or a signal transmitted in a conduction interference manner; the device operation information is information on whether the vehicle-mounted electronic device can normally operate under the electronic interference signal, and can be acquired by arranging a camera in a testing darkroom; the normal operation result is the result that the vehicle-mounted electronic equipment can normally work under the electronic interference signal. The anti-interference result of the equipment is a result report that the vehicle-mounted electronic equipment has anti-interference capability.
After the step e3 detects whether the device operation information is normal operation information, the method may include:
and f, if the equipment operation information is not a normal operation result, combining the equipment operation information and the working state information to generate an anti-interference failure result.
In this embodiment, when the electromagnetic compatibility testing apparatus detects that the device operation information is not a normal operation result (when the electromagnetic compatibility testing apparatus detects that the vehicle-mounted electronic device cannot normally operate in the electronic interference signal), the electromagnetic compatibility testing apparatus combines the device operation information and the operating state information to generate a device anti-interference result. And the anti-interference failure result is a result report that the vehicle-mounted electronic equipment does not have anti-interference capability.
According to the scheme, the working state of the vehicle is set, and the working state information is determined according to the working state, wherein the working state is one of multiple preset working states; controlling the vehicle-mounted electronic equipment to operate according to the working state information; acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs; detecting whether the device transmission information is greater than a device transmission threshold; if the equipment transmitting information is larger than an equipment transmitting threshold, obtaining the transmitting ratio information according to the equipment transmitting information and the equipment transmitting threshold; and combining the transmission ratio information, the equipment transmission information and the working state information to generate an equipment test result. Therefore, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment is realized, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a radiation emission mode is realized, the function of accurately measuring the electromagnetic compatibility of the vehicle-mounted electronic equipment in a conduction emission mode is realized, and the function of measuring the anti-interference capability of the vehicle-mounted electronic equipment is realized.
The invention also provides an electromagnetic compatibility testing device.
The electromagnetic compatibility testing device of the invention comprises: the electromagnetic compatibility testing program is stored on the memory and can be operated on the processor, and the steps of the electromagnetic compatibility testing method are realized when the electromagnetic compatibility testing program is executed by the processor.
The method implemented when the electromagnetic compatibility test program run on the processor is executed may refer to each embodiment of the electromagnetic compatibility test method of the present invention, and details are not described herein again.
The invention also provides a computer readable storage medium.
The computer readable storage medium of the present invention stores thereon an electromagnetic compatibility test program, which when executed by a processor implements the steps of the electromagnetic compatibility test method as described above.
The method implemented when the electromagnetic compatibility test program run on the processor is executed may refer to each embodiment of the electromagnetic compatibility test method of the present invention, and details are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are only for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An electromagnetic compatibility testing method, characterized in that the method comprises the following steps:
setting the working state of a vehicle, and determining working state information according to the working state, wherein the working state is one of a plurality of preset working states;
controlling the vehicle-mounted electronic equipment to operate according to the working state information;
acquiring equipment transmitting information generated when the vehicle-mounted electronic equipment runs;
detecting whether the device transmission information is greater than a device transmission threshold;
if the equipment transmission information is smaller than or equal to an equipment transmission threshold value, sending an electronic interference signal to the vehicle-mounted electronic equipment;
acquiring equipment operation information of the vehicle-mounted electronic equipment;
detecting whether the equipment operation information is normal operation information or not;
and if the equipment operation information is a normal operation result, combining the equipment operation information and the working state information to generate an equipment anti-interference result.
2. The emc testing method of claim 1, wherein said step of detecting whether the device transmission information is greater than a device transmission threshold is followed by:
if the equipment transmitting information is larger than an equipment transmitting threshold, obtaining the transmitting ratio information according to the equipment transmitting information and the equipment transmitting threshold;
and combining the transmission ratio information, the equipment transmission information and the working state information to generate an equipment test result.
3. The emc testing method of claim 1, wherein said step of detecting whether the device transmission information is greater than a device transmission threshold is followed by:
if the equipment transmission information is less than or equal to an equipment transmission threshold value, executing: and combining the equipment transmitting information and the working state information to generate an equipment test result.
4. The method for testing electromagnetic compatibility of claim 1, wherein said step of detecting whether said device operation information is normal operation information is followed by:
and if the equipment operation information is not a normal operation result, combining the equipment operation information and the working state information to generate an anti-interference failure result.
5. The method for testing electromagnetic compatibility according to claim 1, wherein the step of controlling the operation of the vehicle-mounted electronic device according to the operating state information includes:
generating equipment test parameters according to the working state information;
and controlling the vehicle-mounted electronic equipment to operate according to the equipment test parameters.
6. The method according to claim 1, wherein the preset operating state is an operating state when the vehicle-mounted electronic device simulates that the vehicle accelerates, decelerates, accelerates again, decelerates again, accelerates again, and circulates for a preset number of times; the working state information is the running parameters of the vehicle-mounted electronic equipment under the working state of simulating the vehicle to accelerate, decelerate, accelerate again, decelerate again, accelerate again and circulate for preset times.
7. The electromagnetic compatibility testing method according to claim 1, wherein the preset working state is a working state in which the vehicle-mounted electronic device simulates that the rotating speed of the vehicle exceeds a preset rotating speed or the vehicle is braked suddenly; the working state information is the running parameters of the vehicle-mounted electronic equipment when the rotating speed of the simulated vehicle exceeds the preset rotating speed or the vehicle is in the working state of sudden braking.
8. An electromagnetic compatibility testing apparatus, comprising: memory, a processor and an electromagnetic compatibility test program stored on the memory and running on the processor, the electromagnetic compatibility test program when executed by the processor implementing the steps of the electromagnetic compatibility test method of any of claims 1 to 7.
9. A computer-readable storage medium, having stored thereon an electromagnetic compatibility test program which, when executed by a processor, implements the steps of the electromagnetic compatibility test method of any of claims 1 to 7.
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Cited By (3)
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| CN112964955A (en) * | 2021-03-16 | 2021-06-15 | 云从科技集团股份有限公司 | Circuit testing method, system, electronic equipment and medium |
| CN114236258A (en) * | 2021-11-04 | 2022-03-25 | 江铃汽车股份有限公司 | EMC (electro magnetic compatibility) testing method and system for intelligent key system, computer and readable storage medium |
| CN114839466A (en) * | 2022-05-24 | 2022-08-02 | 温岭市天泰电气有限公司 | EMC electromagnetic compatibility test system for water pump and test method thereof |
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Address after: 518000 No.7, Xinxing Industrial Park, Fuhai Avenue, Xinhe community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN MICRO TESTING DETECTION Co.,Ltd. Address before: 518000 102a.302a factory building, east block, Laobing Fufang industrial city, No. 3012, Xingye Road, Yongfeng community, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN MICRO TESTING DETECTION Co.,Ltd. |
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Application publication date: 20200515 |