CN215263744U - EMC testing arrangement and EMC test system - Google Patents
EMC testing arrangement and EMC test system Download PDFInfo
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- CN215263744U CN215263744U CN202120365652.0U CN202120365652U CN215263744U CN 215263744 U CN215263744 U CN 215263744U CN 202120365652 U CN202120365652 U CN 202120365652U CN 215263744 U CN215263744 U CN 215263744U
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 230000003750 conditioning effect Effects 0.000 claims abstract description 8
- 230000007613 environmental effect Effects 0.000 claims description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model provides an EMC testing arrangement and EMC test system relates to EMC test technical field. This EMC testing arrangement includes the environment storehouse, has at least one gas conditioning pipeline connector on this environment storehouse. When EMC test is carried out, air after temperature and/or humidity adjustment can enter the environment bin, and the temperature and/or the humidity in the environment bin are changed, so that the specific temperature and/or the specific humidity of the environment can be simulated in the environment bin, and the requirement of carrying out EMC test on electronic devices in the specific temperature and specific humidity environment is met.
Description
Technical Field
The application relates to the technical field of EMC testing, in particular to an EMC testing device and an EMC testing system.
Background
Electromagnetic Compatibility (EMC) refers to the ability of an electronic device to operate normally in an Electromagnetic interference environment and the intensity of Electromagnetic disturbance to the environment during operation. Electromagnetic interference and electromagnetic disturbance exist everywhere in actual life and working environment, and especially in the fields of complex electromagnetic environment and high radiation intensity such as communication, industrial internet of things, automobile electronics and the like, the electromagnetic compatibility test of electronic devices is more important.
At present, the EMC test for electronic appliances is mainly performed in shielded room and anechoic room environments. In a shielded room and an anechoic room environment, the EMC test is generally performed on the tested piece under room temperature environmental conditions. However, many electronic devices are very sensitive to temperature and humidity, for example, the performance of batteries, the rotational lubrication of micro-motors, the insulation resistance of non-sealed electronic devices, etc. are very sensitive to temperature and humidity, but EMC tests mainly conducted in shielded room and anechoic room environments cannot satisfy the function of simulating specific temperature and/or humidity of different environments, and cannot perform EMC tests on electronic devices in specific temperature and specific humidity environments.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a EMC testing arrangement and EMC test system with gaseous regulatory function for this EMC testing arrangement EMC governing system can simulate the specific temperature and/or humidity of different environment.
In order to realize the above object, on the one hand, the utility model provides an EMC testing arrangement, including the environment storehouse, there is at least one gas conditioning pipeline connector on the environment storehouse.
Optionally, the environmental bin comprises: the environment storehouse casing, the environment storehouse casing is injectd and is had EMC test space, EMC test space passes through the gas conditioning pipeline connector communicates with each other with external gas adjusting device.
Optionally, the gas conditioning duct connection port is disposed in a ceiling of the environmental chamber housing.
Optionally, the environment cabin shell is of a double-layer structure, the outer layer is a heat-insulating sealing layer, and the inner layer is an electromagnetic shielding layer.
Optionally, the environmental chamber shell is a hollow cubic shell.
Optionally, the EMC testing apparatus further includes: the EMC test signal transmitting device is arranged on the bottom plate of the environment bin shell; and the tested piece fixing tray is arranged on the bottom plate of the environment bin shell.
Optionally, the EMC testing apparatus further includes a wire harness channel disposed on a side surface of the environmental chamber housing.
On the other hand, the utility model provides an EMC test system, EMC test system includes above-mentioned EMC testing arrangement, still includes outside gaseous adjusting device.
Optionally, the EMC test system further includes a gas bidirectional flow pipe matching the gas condition pipe connection port, and the external gas adjusting device is connected to the gas adjusting pipe connection port through the gas bidirectional flow pipe.
The utility model discloses at least, following technological effect has:
the utility model discloses an EMC testing arrangement, included environment storehouse and gas conditioning pipeline connector for can introduce the gas after adjusting through this gas conditioning pipeline connector when carrying out the EMC test, be used for adjusting the gas parameter (for example temperature and/or humidity) in the environment storehouse, thereby simulation environment specific temperature and/or humidity in the environment storehouse, satisfied the demand that carries out the EMC test to the electron device under specific temperature, specific humidity environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an EMC testing apparatus according to an embodiment of the present invention. Wherein:
101 is a gas regulating pipeline connecting port, 102 is an environment cabin shell, 103 is an EMC test signal transmitting device, 104 is a tested piece fixing tray, and 105 is a wiring harness channel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an EMC testing apparatus according to an embodiment of the present invention.
In the embodiment shown in fig. 1, the EMC test device includes an environmental chamber, an EMC test signal emitting device 103, a tested piece fixing tray 104, and a wire harness passage 105. The environmental chamber is provided with an environmental chamber shell 102, and a gas adjusting pipeline connecting port 101 is arranged on the environmental chamber shell.
As shown in fig. 1, the environmental cartridge housing 102 defines an EMC test space. The gas-regulating pipeline connection port 101 is a through hole provided in a top plate of the environmental chamber housing 102, and is used for connecting the EMC test space and the external gas regulating device, so that the EMC test space is communicated with the external gas regulating device through the gas-regulating pipeline connection port 101. In other embodiments of the present invention, the gas-conditioning pipe connection port 101 may be disposed on other sides of the environmental chamber housing 102.
In the embodiment shown in fig. 1, the external air conditioning device can adjust the humidity and temperature of the air, and in other embodiments of the present invention, it can adjust other physical parameters of the air, and also can adjust only the temperature or only the humidity. The regulated gas can be air or other gas. The external gas adjusting device can be connected with the gas adjusting pipeline connecting port 101 matched with the gas circulation pipe through the gas circulation pipe with the air bidirectional circulation function, the design realizes the bidirectional circulation of gas, the gas exchange between the external gas adjusting device and the environment bin is faster, the gas parameters (such as temperature and/or humidity) in the environment bin reach the preset parameters as soon as possible, and the requirements of simulating the specific temperature and humidity of the environment are met more efficiently. In other embodiments of the present invention, it is not excluded that the gas flow conduit is unidirectional.
In the embodiment of the present invention, the number of the gas flow pipes may be matched with the number of the gas regulating pipe connectors 101, and the number may be one or more. For example, in one embodiment of the present invention, the parameters to be adjusted are temperature and humidity, and the number of the gas flow pipes may be 2. In this case, the number of the gas-adjusting duct connection ports 101 may be 2, one being a temperature-adjusting duct connection port and the other being a humidity-adjusting duct connection port. The gas adjusted to the preset temperature by the external gas adjusting device enters the environment bin through the first gas circulation pipe and the temperature adjusting pipeline connecting port, and the gas adjusted to the preset humidity by the external gas adjusting device enters the environment bin through the second gas circulation pipe and the humidity adjusting pipeline connecting port, so that the aim of adjusting the gas in the environment bin to the preset temperature and humidity is fulfilled.
Of course, the number of the gas circulation pipes and the gas adjusting pipe connection ports 101 may be 1, and at this time, the gas whose temperature and humidity are adjusted by the external gas adjusting apparatus directly enters the environmental chamber through the gas circulation pipes and the gas adjusting pipe connection ports 101. It should be noted that in the above embodiments, the gas flow pipe may be one-way or two-way, and the latter may perform gas exchange more quickly.
In the embodiment shown in fig. 1, the environmental chamber housing 102 is a hollow cubic housing, the environmental chamber housing 102 has a double-layer structure, an outer layer is a heat-insulating sealing layer, and an inner layer is an electromagnetic shielding layer. In other embodiments of the present invention, the environmental chamber housing 102 can also be other hollow shapes, such as a rectangular parallelepiped housing.
In the embodiment shown in fig. 1, the bottom plate of the environmental chamber housing 102 is provided with the EMC test signal emitting device 103 and the tested piece fixing tray 104, and in other embodiments of the present invention, the mounting positions of the EMC test signal emitting device 103 and the tested piece fixing tray 104 are not limited to the bottom plate. The EMC test signal transmitting device 103 is used for transmitting a radiation signal for EMC test; the device under test holding tray 104 is used for placing and holding the electronic device under test. On the left and right sides of the environmental chamber shell 102, a wiring harness channel 105 is further provided, and the wiring harness channel 105 can supply wiring harnesses (including but not limited to a wiring harness for detection and a wiring harness for supplying power to the electronic device to be detected) to enter the interior of the environmental chamber from the outside of the environmental chamber. In other embodiments of the present invention, the harness passage 105 is not limited to the left and right sides. For example, it may be located on the rear side (the opposite side of the bin door of the environmental bin housing 102), and for example, it may be open on only one side.
In another embodiment of the present invention, there is provided an EMC testing system, which includes the above EMC testing apparatus, and further includes an external air conditioning apparatus. In an embodiment of the present invention, the EMC test system further includes a gas bidirectional flow pipe, and the external gas adjusting device is connected to the gas adjusting pipe connection port through the gas bidirectional flow pipe.
The utility model discloses a theory of operation does: the environmental chamber shell 102 defines a hollow EMC test space, the external air conditioning device controls the target temperature and humidity (or other parameters) of the environmental chamber through the air conditioning pipeline connecting port 101, the tested electronic device is fixed on the tested device fixing tray 104, and the EMC test signal transmitting device 103 transmits the EMC test radiation signal to test the EMC capability of the tested electronic device under the target temperature and humidity (or other parameters).
It should be understood by those skilled in the art that the terms "upper", "lower", "inner", "outer", "horizontal", "vertical", "front", "back", etc. used in the embodiments of the present invention are used as terms for indicating the orientation or the position relationship with respect to the actual using state of the EMC testing apparatus and the testing system, and these terms are only used for convenience of description and understanding of the technical solution of the present invention, and do not indicate or imply that the indicated apparatus or component must have a specific orientation, and therefore, should not be construed as limiting the present invention.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. An EMC test apparatus, comprising:
the environment storehouse is provided with at least one gas adjusting pipeline connecting port.
2. The EMC test apparatus of claim 1, wherein the environmental bin comprises:
the environment storehouse casing, the environment storehouse casing is injectd and is had EMC test space, EMC test space passes through the gas conditioning pipeline connector communicates with each other with external gas adjusting device.
3. The EMC test device of claim 2, wherein:
the gas adjusting pipeline connecting port is arranged on the top plate of the environment bin shell.
4. EMC testing device as claimed in claim 3,
the environment bin shell is of a double-layer structure, the outer layer is a heat-insulation sealing layer, and the inner layer is an electromagnetic shielding layer.
5. The EMC test apparatus of claim 4,
the environment bin shell is a hollow cubic shell.
6. The EMC test apparatus of claim 2, further comprising:
the EMC test signal transmitting device is arranged on the bottom plate of the environment bin shell;
and the tested piece fixing tray is arranged on the bottom plate of the environment bin shell.
7. The EMC test apparatus of claim 6, further comprising:
and the wire harness channel is arranged on the side surface of the environment bin shell.
8. EMC test system, characterized in that it comprises the EMC test device of any of claims 2-7, and further comprises the external gas conditioning device.
9. The EMC test system of claim 8, further comprising:
and the gas bidirectional circulating pipe is matched with the gas adjusting pipeline connecting port, and the external gas adjusting device is connected to the gas adjusting pipeline connecting port through the gas bidirectional circulating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365652.0U CN215263744U (en) | 2021-02-08 | 2021-02-08 | EMC testing arrangement and EMC test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120365652.0U CN215263744U (en) | 2021-02-08 | 2021-02-08 | EMC testing arrangement and EMC test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215263744U true CN215263744U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120365652.0U Active CN215263744U (en) | 2021-02-08 | 2021-02-08 | EMC testing arrangement and EMC test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215263744U (en) |
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2021
- 2021-02-08 CN CN202120365652.0U patent/CN215263744U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20231230 Address after: 8th and 9th floors of 5G Building, No.1 Changcheng South Road, Chengyang District, Qingdao City, Shandong Province, 266000 yuan Patentee after: Qingdao future network innovation technology Co.,Ltd. Address before: 266000 No.1 Loushan Road, Licang District, Qingdao City, Shandong Province Patentee before: QINGDAO AUTOMOTIVE RESEARCH INSTITUTE, JILIN University Patentee before: Qingdao future network innovation technology Co.,Ltd. Patentee before: Qingdao Zhishi wanglian Automobile Technology Co.,Ltd. |