CN115327188A - Detection system for detecting electromagnetic radiation quantity of vehicle parts - Google Patents
Detection system for detecting electromagnetic radiation quantity of vehicle parts Download PDFInfo
- Publication number
- CN115327188A CN115327188A CN202210761252.0A CN202210761252A CN115327188A CN 115327188 A CN115327188 A CN 115327188A CN 202210761252 A CN202210761252 A CN 202210761252A CN 115327188 A CN115327188 A CN 115327188A
- Authority
- CN
- China
- Prior art keywords
- low
- detection
- power supply
- bottom plate
- dielectric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 230000005670 electromagnetic radiation Effects 0.000 title claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 239000000523 sample Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/18—Screening arrangements against electric or magnetic fields, e.g. against earth's field
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0857—Dosimetry, i.e. measuring the time integral of radiation intensity; Level warning devices for personal safety use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a detection system for detecting the electromagnetic radiation quantity of vehicle parts, which comprises: the supporting part comprises a grounding flat plate, and the grounding flat plate is used for being lapped with a ground wire; the low-dielectric-constant bottom plate is arranged on the surface of the grounding flat plate, a detection station for placing vehicle parts to be detected is formed on the surface of the first end of the low-dielectric-constant bottom plate, and a plurality of first detection points are formed along the circumferential direction of the first end of the low-dielectric-constant bottom plate; the detection power supply assembly is arranged on the grounding flat plate and is positioned on one side of the second end of the low-dielectric-constant bottom plate; the testing wire harness extends along the length direction of the low-dielectric-constant bottom plate, and a first end of the testing wire harness extends to the detection station and is electrically connected with the detection head. The method and the device are used for testing the electromagnetic radiation quantity of the electronic/electric component to the human body during normal work, so that the risk is avoided in advance, and the life health of the human body is protected.
Description
Technical Field
The invention relates to the technical field of electromagnetic radiation, in particular to a detection system for detecting the electromagnetic radiation quantity of vehicle parts.
Background
With the development of the automobile field, the requirements of consumers on health and experience are higher and higher. The electromagnetic health requirements of vehicles are higher and higher, and the requirements of parts and systems on realizing the electromagnetic safety of the vehicles are gradually realized. The electromagnetic environment test of the traditional vehicle is derived from international standards and national standards, such as GB 37137, and low-frequency magnetic field emission and human body electromagnetic protection tests for parts are not included.
Disclosure of Invention
The invention mainly aims to provide a detection system for detecting the electromagnetic radiation quantity of vehicle parts, so as to solve the problem that the electromagnetic radiation exceeds the standard of a human body when electronic and electric parts are tested in an automobile in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a detection system for detecting an amount of electromagnetic radiation of a vehicle part, comprising: the supporting part comprises a grounding flat plate, and the grounding flat plate is used for being lapped with a ground wire. The low dielectric constant bottom plate, the low dielectric constant bottom plate sets up on the dull and stereotyped surface of ground connection, and the first end of low dielectric constant bottom plate forms the detection station that is used for placing waiting to detect vehicle parts on the surface, is formed with a plurality of first check point positions along the circumference of the first end of low dielectric constant bottom plate, and each first check point position all is located the outside of waiting to detect vehicle parts. And the detection power supply component is arranged on the grounding flat plate and is positioned on one side of the second end of the low-dielectric-constant bottom plate. The testing wire harness extends along the length direction of the low-dielectric-constant bottom plate, a first end of the testing wire harness extends to a detection station and is electrically connected with a detection head, the detection head is used for detecting the electromagnetic radiation quantity of the vehicle part to be detected, a second end of the testing wire harness is electrically connected with a detection power supply assembly, and at least one second detection point position is formed on the low-dielectric-constant bottom plate along the length direction of the testing wire harness.
Further, the power supply assembly includes: and the low-voltage power supply is arranged on the grounding flat plate. The low-voltage artificial power supply network is arranged on the grounding flat plate and is electrically connected with the low-voltage power supply. And the analog load is arranged on the grounding flat plate and is electrically connected with the low-voltage power supply and the test wire harness.
Further, the detection system further comprises a control equipment unit, the control equipment unit is electrically connected with the analog load, and the control equipment unit comprises at least one of the following components: the electromagnetic radiation monitoring system comprises an excitation system, a monitoring system and a display system, wherein the display system is used for displaying the electromagnetic radiation quantity.
Further, the detection system further comprises: the high-voltage direct-current artificial power supply network is arranged on the grounding flat plate and located on one side of the low-dielectric-constant bottom plate, one end of the high-voltage direct-current artificial power supply network is electrically connected with the high-voltage power supply, and the other end of the high-voltage direct-current artificial power supply network is electrically connected with the test wire harness.
Further, the detection system further comprises: the shielding box is arranged on the grounding flat plate and located on one side of the low-dielectric-constant bottom plate, and the high-voltage direct-current artificial power supply network is arranged in the shielding box.
Furthermore, the ground plate is provided with an installation area, the low-dielectric-constant bottom plate, the detection power supply assembly and the test wiring harness are all arranged in the installation area, and the edge of the installation area is away from the outermost edge of the ground plate by a distance L1, wherein L1 is larger than or equal to 100mm.
Furthermore, a distance L2 is formed between the upper surface of the grounding flat plate and the upper surface of the low-dielectric-constant bottom plate, wherein L2 is more than or equal to 45mm and less than or equal to 55mm.
Further, the detection distance between the first detection point position and the vehicle part to be detected is d, wherein d is 10mm.
Furthermore, a magnetic field-free area is formed at a preset distance on the outer peripheral side of the grounding flat plate, and the grounding flat plate is located in the magnetic field-free area.
Furthermore, the control equipment unit is electrically connected with the analog load through the optical fiber.
The technical scheme of the invention is applied, and provides a detection system for detecting the electromagnetic radiation quantity of vehicle parts, which comprises the following components: the supporting part comprises a grounding flat plate, and the grounding flat plate is used for being lapped with a ground wire. The low dielectric constant bottom plate, the low dielectric constant bottom plate sets up on the dull and stereotyped surface of ground connection, and the first end of low dielectric constant bottom plate forms the detection station that is used for placing waiting to detect vehicle parts on the surface, is formed with a plurality of first check point positions along the circumference of the first end of low dielectric constant bottom plate, and each first check point position all is located the outside of waiting to detect vehicle parts. And the detection power supply component is arranged on the grounding flat plate and is positioned on one side of the second end of the low-dielectric-constant bottom plate. The testing wire harness extends along the length direction of the low-dielectric-constant bottom plate, a first end of the testing wire harness extends to a detection station and is electrically connected with a detection head, the detection head is used for detecting the electromagnetic radiation quantity of the vehicle part to be detected, a second end of the testing wire harness is electrically connected with a detection power supply assembly, and at least one second detection point position is formed on the low-dielectric-constant bottom plate along the length direction of the testing wire harness. The method is used for detecting the electromagnetic radiation quantity of parts of the vehicle to a human body when the parts of the vehicle work normally, and can be used for protecting the human body such as a pacemaker, so that the risk is avoided in advance, and the life health of the human body is protected.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a first embodiment of a detection system for detecting the amount of electromagnetic radiation of low-voltage components of a vehicle according to the present invention;
FIG. 2 is a schematic structural diagram illustrating a second embodiment of a detection system for detecting the amount of electromagnetic radiation of low-voltage components of a vehicle according to the present invention;
FIG. 3 is a schematic structural diagram of a first embodiment of a detection system for detecting the amount of electromagnetic radiation of a high-voltage component of a vehicle according to the present invention;
fig. 4 shows a schematic structural diagram of a second embodiment of the detection system for detecting the electromagnetic radiation quantity of the high-voltage component of the vehicle according to the invention.
Wherein the figures include the following reference numerals:
1. a vehicle component; 2. testing the wiring harness; 3. simulating a load; 4. a low voltage power supply; 5. a low voltage artificial power network; 6. a ground plate; 7. a low dielectric constant backplane; 8. a high voltage direct current artificial power supply network; 9. a shielding box; 10. shielding the high-voltage line; 11. a high voltage power supply; 12. an excitation system and a monitoring system; 13. an optical fiber; 14. and a magnetic field-free area.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, and in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same reference numerals are used to designate the same devices, and thus the description thereof will be omitted.
Referring to fig. 1 to 4, according to an embodiment of the present application, a detection system for detecting an amount of electromagnetic radiation of a vehicle component is provided.
Concretely, a detection system for detecting the electromagnetic radiation quantity of a vehicle part comprises: a support part, which comprises a grounding flat plate 6, wherein the grounding flat plate 6 is used for being lapped with the ground wire. Low dielectric constant bottom plate 7, low dielectric constant bottom plate 7 sets up on the surface of ground connection flat board 6, form the detection station that is used for placing the vehicle spare part 1 that awaits measuring on the surface of the first end of low dielectric constant bottom plate 7, circumference along the first end of low dielectric constant bottom plate 7 is formed with a plurality of first detection point positions (as P2 in fig. 1, P3, P4), each first detection point position all is located the outside of waiting to measure vehicle spare part 1, of course, also include directly and await measuring the test point position P1 that does not have the contact. And a detection power supply component which is arranged on the grounding flat plate 6 and is positioned on one side of the second end of the low-dielectric-constant bottom plate 7. The testing wire harness 2 is arranged along the length direction of the low-dielectric-constant bottom plate 7 in an extending mode, a first end of the testing wire harness 2 extends to a detection station and is electrically connected with a detection head, the detection head is used for detecting the electromagnetic radiation quantity of the vehicle part 1 to be detected, a second end of the testing wire harness 2 is electrically connected with a detection power supply assembly, and at least one second detection point position (shown in figure 1, P5 and P6) is formed on the low-dielectric-constant bottom plate 7 along the length direction of the testing wire harness 2.
In this embodiment, the vehicle components are tested and tested for performance parameters related to human body magnetic field protection. The EMC performance of the human magnetic field protection of the parts is verified through tests, the health of vehicle passengers is protected, and the human body protection performance of the vehicle parts is achieved.
Further, as shown in fig. 1, the detection power supply assembly includes: the low-voltage power supply 4 is arranged on the grounding flat plate 6. The low-voltage artificial power supply network 5 is arranged on the grounding flat plate 6, and the low-voltage artificial power supply network 5 is electrically connected with the low-voltage power supply 4. The simulation load 3, the simulation load 3 sets up on ground plate 6, and simulation load 3 and low voltage power supply 4 and test pencil 2 electric connection. For the low-voltage component in this embodiment, additional test points may be added if necessary according to the geometric size of the component to be tested and the load connected to the component to be tested. These should be explained in the test plan and test report. The ground should be closely overlapped with the ground plate. The device can measure the electromagnetic radiation quantity of the low-voltage part, and the measurement accuracy is ensured.
Further, the detection system further comprises a control equipment unit, the control equipment unit is electrically connected with the analog load 3, and the control equipment unit comprises at least one of the following components: an excitation system, a monitoring system 12 and a display system, wherein the display system is used for displaying the electromagnetic radiation amount. The electromagnetic radiation quantity of the tested part can be visually observed by the arrangement.
In another embodiment of the present application, the detection system further comprises: the high-voltage direct-current artificial power supply network 8 is arranged on the grounding flat plate 6 and located on one side of the low-dielectric-constant bottom plate 7, one end of the high-voltage direct-current artificial power supply network 8 is used for being electrically connected with the high-voltage power supply 11, and the other end of the high-voltage direct-current artificial power supply network 8 is electrically connected with the test wire harness 2. As shown in fig. 3 and 4, for the components of the high voltage system in this embodiment, additional test points may be added if necessary according to the geometric dimensions of the components and the loads connected thereto. The high voltage negative line should be at the far end ground and the 12V and 48V grounds should be at the near end ground. If the high voltage component housing is metal conductive and attached to the vehicle body, the near end should be grounded. The electromagnetic radiation quantity of the high-voltage parts is measured, and the measuring accuracy is guaranteed.
Specifically, the detection system further comprises: a shielding cage 9. The shielding box 9 is arranged on the grounding flat plate 6 and positioned on one side of the low-dielectric-constant bottom plate 7, and the high-voltage direct-current artificial power supply network 8 is arranged in the shielding box 9. The arrangement can provide an interference-free testing environment, and the shielding box is connected with a high-voltage power supply through the shielding high-voltage wire 10, so that the measurement accuracy is guaranteed without electric wave interference.
In another embodiment of the present application, the ground plate 6 has a mounting area, the low-k board 7, the detection power supply assembly, and the test harness 2 are disposed in the mounting area, and an edge of the mounting area has a distance L1 from an outermost edge of the ground plate 6, wherein L1 is greater than or equal to 100mm. The arrangement is such that the test distances of different tested components can be guaranteed.
Furthermore, a distance L2 is reserved between the upper surface of the grounding flat plate 6 and the upper surface of the low-dielectric-constant bottom plate 7, wherein L2 is larger than or equal to 45mm and smaller than or equal to 55mm. This arrangement can preferably reduce heat generation of the circuit and prevent electric leakage of the circuit. The measured value is more accurate.
Specifically, the detection distance between the first detection point location and the vehicle part 1 to be detected is d, wherein d is 10mm. The human body protection test is more accurate due to the arrangement.
Further, a magnetic field free region 14 is formed at a predetermined distance on the outer peripheral side of the ground plate 6, and the ground plate 6 is located in the magnetic field free region 14. This embodiment makes testing arrangement in a region of not having the magnetic field, has shielded the influence of external magnetic field when to the test, lets measured value more accurate.
Further, the control equipment unit is electrically connected with the analog load 3 through an optical fiber 13.
In another embodiment of the present application, experiments have demonstrated that magnetic induction measurements are performed using an isotropic probe in the frequency range of 10Hz to 400 kHz. The surface is a spherical probe with the square centimeter of (100 +/-5), and the external diameter of the probe is not more than 13cm. The measurement method is divided into two types: in the time domain, the exposure index is tested using a peak weighted test method, the peak hold function is used to find the maximum exposure index, expressed in%, with a minimum test time of 10s; in the frequency domain, see table 1 for maximum frequency step, test bandwidth, and minimum test time. The test bandwidth is based on the-6 dB principle. During the test, peak detection was used.
TABLE 1 maximum frequency step, frequency Bandwidth, minimum test time magnetic field emission test
The DUT should operate under the conditions that produce the highest electromagnetic field emission, i.e., the maximum operating current, while other parameters, such as PWM frequency, mechanical load, etc., can also have a significant effect on the measurement results. When the points P1 to P6 are measured, the probes can be used for respectively detecting. Before actual testing, the maximum value in this time range should be detected by rotation of the probe about its own axis. For maximum position and orientation, the actual test method should be performed in both the time and frequency domain. The distances d between the test probes P1-P6 and the parts or the wiring harness are shown in Table 2. Unless required by definition, the test should be a distance of 10mm.
TABLE 2 test distance (human body protection test)
In another embodiment of the present application, the following requirements are satisfied for both tests: the exposure index limit value tested by using a time domain method in a frequency range of 10 Hz-400 kHz cannot exceed 80 percent; the test results must not exceed the limits in the frequency range of 10Hz to 400kHz, as shown in Table 3, the amplitude test standard of the receiver, according to CISPR16-1-1. The limit requirement of exposing human body to electromagnetic field is regulated, the health of vehicle passengers is protected, and the human body protection performance of vehicle parts is achieved.
TABLE 3 magnetic field emission limits
| Frequency kHz | 0.01-1.2 | 1.2-2.9 | 2.9-100 | 100-400 |
| Magnetic field limit Ut | 1.2/ |
1 | 2.9/f | 0.029 |
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. A detection system for detecting an amount of electromagnetic radiation emitted from a vehicle component, comprising:
the supporting part comprises a grounding flat plate (6), and the grounding flat plate (6) is used for being lapped with a ground wire;
the low-dielectric-constant bottom plate (7) is arranged on the surface of the grounding flat plate (6), a detection station for placing the vehicle part (1) to be detected is formed on the surface of the first end of the low-dielectric-constant bottom plate (7), a plurality of first detection points are formed along the circumferential direction of the first end of the low-dielectric-constant bottom plate (7), and each first detection point is positioned on the outer side of the vehicle part (1) to be detected;
a detection power supply component which is arranged on the grounding flat plate (6) and is positioned on one side of the second end of the low-dielectric-constant bottom plate (7);
the testing device comprises a testing wiring harness (2), wherein the testing wiring harness (2) extends along the length direction of the low dielectric constant bottom plate (7), a first end of the testing wiring harness (2) extends to the detection station and is electrically connected with a detection head, the detection head is used for detecting the electromagnetic radiation quantity of the vehicle part (1) to be detected, a second end of the testing wiring harness (2) is electrically connected with a detection power supply component, and at least one second detection point position is formed on the low dielectric constant bottom plate (7) along the length direction of the testing wiring harness (2).
2. The detection system of claim 1, wherein the detection power supply assembly comprises:
the low-voltage power supply (4), the said low-voltage power supply (4) is set up on the said ground plate (6);
the low-voltage artificial power supply network (5), the low-voltage artificial power supply network (5) is arranged on the grounding flat plate (6), and the low-voltage artificial power supply network (5) is electrically connected with the low-voltage power supply (4);
the simulation load (3), the simulation load (3) set up in on the ground connection flat board (6), the simulation load (3) with low voltage power supply (4) with test pencil (2) electric connection.
3. The detection system according to claim 2, further comprising a control equipment set electrically connected to the dummy load (3), the control equipment set comprising at least one of: the electromagnetic radiation monitoring system comprises an excitation system, a monitoring system and a display system, wherein the display system is used for displaying the electromagnetic radiation amount.
4. The detection system according to claim 1 or 2, further comprising:
the high-voltage direct-current artificial power supply system comprises a high-voltage direct-current artificial power supply network (8), wherein the high-voltage direct-current artificial power supply network (8) is arranged on the grounding flat plate (6) and is located on one side of the low-dielectric-constant bottom plate (7), one end of the high-voltage direct-current artificial power supply network (8) is used for being electrically connected with a high-voltage power supply (11), and the other end of the high-voltage direct-current artificial power supply network (8) is electrically connected with a test wire harness (2).
5. The detection system of claim 4, further comprising:
the shielding box (9), the shielding box (9) set up in on the ground connection flat board (6) and be located one side of low dielectric constant bottom plate (7), high voltage direct current artificial power source network (8) set up in shielding box (9).
6. Detection system according to claim 1, wherein the ground plate (6) has a mounting area, the low-permittivity backplane (7), the detection power supply assembly, the test harness (2) being arranged in the mounting area, an edge of the mounting area being at a distance L1 from an outermost edge of the ground plate (6), wherein L1 is larger than or equal to 100mm.
7. The detection system according to claim 6, wherein the upper surface of the ground plate (6) and the upper surface of the low-k bottom plate (7) have a distance L2 therebetween, wherein L2 is 45mm ≦ 55mm.
8. The detection system according to claim 6, characterized in that the detection distance between the first detection point location and the vehicle part (1) to be detected is d, wherein d is 10mm.
9. Detection system according to claim 1, characterized in that a field-free area (14) is formed at a preset distance from the outer circumference side of the ground plate (6), the ground plate (6) being located within the field-free area (14).
10. A detection system according to claim 3, characterised in that the control device aggregate is electrically connected to the dummy load (3) by means of an optical fibre (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210761252.0A CN115327188A (en) | 2022-06-30 | 2022-06-30 | Detection system for detecting electromagnetic radiation quantity of vehicle parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210761252.0A CN115327188A (en) | 2022-06-30 | 2022-06-30 | Detection system for detecting electromagnetic radiation quantity of vehicle parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115327188A true CN115327188A (en) | 2022-11-11 |
Family
ID=83917648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210761252.0A Pending CN115327188A (en) | 2022-06-30 | 2022-06-30 | Detection system for detecting electromagnetic radiation quantity of vehicle parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115327188A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546857A (en) * | 2016-11-08 | 2017-03-29 | 中国汽车技术研究中心 | The power drive system electromagnetic interference test system of electric automobile and method of testing |
| CN111474435A (en) * | 2020-04-28 | 2020-07-31 | 中国汽车技术研究中心有限公司 | System and method for testing alternating current charging electromagnetic interference of electric vehicle |
| CN112557711A (en) * | 2020-12-29 | 2021-03-26 | 中国汽车技术研究中心有限公司 | Electromagnetic compatibility test bench and test method for high-voltage system assembly of electric passenger vehicle |
| CN213023358U (en) * | 2020-04-28 | 2021-04-20 | 中国汽车技术研究中心有限公司 | Electric automobile alternating current charging electromagnetic interference's test system |
| WO2021110914A1 (en) * | 2019-12-06 | 2021-06-10 | TDK Europe GmbH | Hydraulic device for testing electromagnetic compatibility and/or other characteristics of an electric motor |
| CN116559558A (en) * | 2023-04-19 | 2023-08-08 | 一汽奔腾轿车有限公司 | All-in-one electric drive radiation emission test system for new energy automobile and control method thereof |
-
2022
- 2022-06-30 CN CN202210761252.0A patent/CN115327188A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546857A (en) * | 2016-11-08 | 2017-03-29 | 中国汽车技术研究中心 | The power drive system electromagnetic interference test system of electric automobile and method of testing |
| WO2021110914A1 (en) * | 2019-12-06 | 2021-06-10 | TDK Europe GmbH | Hydraulic device for testing electromagnetic compatibility and/or other characteristics of an electric motor |
| CN111474435A (en) * | 2020-04-28 | 2020-07-31 | 中国汽车技术研究中心有限公司 | System and method for testing alternating current charging electromagnetic interference of electric vehicle |
| CN213023358U (en) * | 2020-04-28 | 2021-04-20 | 中国汽车技术研究中心有限公司 | Electric automobile alternating current charging electromagnetic interference's test system |
| CN112557711A (en) * | 2020-12-29 | 2021-03-26 | 中国汽车技术研究中心有限公司 | Electromagnetic compatibility test bench and test method for high-voltage system assembly of electric passenger vehicle |
| CN116559558A (en) * | 2023-04-19 | 2023-08-08 | 一汽奔腾轿车有限公司 | All-in-one electric drive radiation emission test system for new energy automobile and control method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 国家市场监督管理总局中国国家标准化 管理委员会: "GB_T18655-2018 车辆 船和内燃机 无线电骚扰特性 用于保护车载 接收机的限值和测量方法", 国家标准, 31 July 2018 (2018-07-31), pages 82 - 83 * |
| 王云: "车辆电驱动总成系统级的EMC 测试研究", 安全与电磁兼容, no. 5, 25 October 2020 (2020-10-25), pages 52 - 55 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107247163A (en) | A kind of integrated circuit component test jack and test platform | |
| Hegarty | An overview of radiated EMI specifications for power supplies | |
| CN102043101A (en) | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile | |
| CA2626376C (en) | Device for measuring the loss factor | |
| CN103091574A (en) | Electrostatic field interference testing device and method | |
| JP2006258490A (en) | Test system and its junction box | |
| CA2959420A1 (en) | Compact apparatus for detecting faulty composite insulators used on electric distribution systems | |
| KR101549472B1 (en) | Mobile-type electromagnetic testing device | |
| US20150061698A1 (en) | Electromagnetic interference (emi) test apparatus | |
| CN115327188A (en) | Detection system for detecting electromagnetic radiation quantity of vehicle parts | |
| Carter et al. | Bulk current injection (BCI): its past, present and future (?) in aerospace | |
| CN107367648A (en) | Microwave monolithic circuit immunity to interference test fixture | |
| CN211148027U (en) | Pipeline stress detection tool and air conditioner pipeline stress detection system | |
| Heidemann et al. | Using TEM waveguides according to the new IEC 61000-4-20 | |
| CN211505732U (en) | Electromagnetic compatibility performance testing device of new energy automobile motor driving system | |
| CN209590090U (en) | A kind of high pressure resistant pin configuration | |
| CN111175036A (en) | Pipeline stress detection tool, air conditioner pipeline stress detection system and method | |
| JPH10255564A (en) | Shield effect testing instrument and inspection device, shield effect testing sheet, and static-electricity coupler | |
| CN216209584U (en) | Electromagnetic compatibility open field test system | |
| Mahesh et al. | Comparison of Bulk Current Injection test methods of automotive, military and civilian EMC standards | |
| Silaghi et al. | Investigations on Repeatibility of Radiated Emissions Testing for Frequencies below 30 MHz | |
| CN117330848A (en) | Method for testing coupling immunity between wire harnesses in complex electromagnetic environment in vehicle | |
| Łukjanow et al. | Methods of analysis and evaluation of electromagnetic radiation during tests of electromagnetic compatibility (EMC) of motor vehicles, in particular electrically driven. Part I, Requirements and methods of EMC testing of motor vehicles | |
| Zhang et al. | Analysis on the Difference of Electrostatic Discharge Immunity Test between Consumer Electrical and Electronic Equipment and Vehicle Electrical and Electronic Components | |
| EP2778695A1 (en) | Assessment of electromagnetic screening |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |