CN204652870U - Automotive electronics private mask case - Google Patents
Automotive electronics private mask case Download PDFInfo
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- CN204652870U CN204652870U CN201520356439.8U CN201520356439U CN204652870U CN 204652870 U CN204652870 U CN 204652870U CN 201520356439 U CN201520356439 U CN 201520356439U CN 204652870 U CN204652870 U CN 204652870U
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- automotive electronics
- casing
- mask case
- upper cover
- private mask
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Abstract
The utility model relates to a kind of automotive electronics private mask case, the upper cover comprising casing and mate with described casing, and the outward flange of the opening part of described casing is evenly inlaid with some shell fragments, and the inside edge of described upper cover is provided with the draw-in groove mated with described shell fragment; The both sides, front and back of described casing are respectively equipped with two circular holes, and high-voltage DC power supply passes from described circular hole; A side of described casing is also provided with a binding post, and described binding post is connected with emc testing system.In the utility model, utilize the cooperation of shell fragment and draw-in groove to realize the connection of casing and upper cover, improve shield effectiveness simultaneously; High-voltage DC power supply passes from circular hole, determines the position of high-voltage DC power supply, increases the fail safe of test; Utilize binding post to be connected with emc testing system, avoid wiring bad.The utility model makes the emc testing safety and precise more of automotive electronics.
Description
Technical field
The utility model relates to electromagnetic shielding apparatus field, particularly relates to a kind of automotive electronics private mask case.
Background technology
Automotive electronics is the general name of car body electronic control device for vehicle and vehicular automotive electronic control device.Owing to being filled with electromagnetic wave in space environment, needed to test its Electro Magnetic Compatibility before automobile electronics dispatch from the factory, to determine its properties under normal environment for use, in this test process, automobile electronics need to access high-voltage DC power supply, usually can reach 800V, 1000V, 1200V is even higher, and the situations such as wiring is bad if occur, electromagnetic interference, then can exist larger potential safety hazard and larger measure error.
Therefore, how to provide one can make automobile electronics in emc testing, more safe and reliable, test result more accurately automotive electronics private mask case is those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
The utility model provides a kind of automotive electronics private mask case, to solve automobile electronics in emc testing, there is the problem of larger potential safety hazard and larger measure error.
For solving the problems of the technologies described above, the utility model provides a kind of automotive electronics private mask case, the upper cover comprising casing and mate with described casing, the outward flange of the opening part of described casing is evenly inlaid with some shell fragments, and the inside edge of described upper cover is provided with the draw-in groove mated with described shell fragment; The both sides, front and back of described casing are respectively equipped with two circular holes, and high-voltage DC power supply passes from described circular hole; A side of described casing is also provided with a binding post, and described binding post is connected with emc testing system.
Preferably, described shell fragment adopts copper material to make.
Preferably, absorbing material is filled with in described draw-in groove.
Preferably, described absorbing material is plate sound insulation absorbing material.
Preferably, the diameter of described circular hole is 3 ± 0.1cm.
Preferably, described binding post is N-type terminal.
Preferably, the frequency range that described N-type terminal is corresponding is DC ~ 6GHz.
Preferably, the upper surface of described upper cover is fixed with two handles.
Compared with prior art, a kind of automotive electronics private mask case tool that the utility model provides has the following advantages:
1, in the utility model, utilize the cooperation of shell fragment and draw-in groove to realize being tightly connected of casing and upper cover, thus improve shield effectiveness;
2, high-voltage DC power supply passes from circular hole, determines the position of high-voltage DC power supply, increases the fail safe of test;
3, utilize binding post to be connected with emc testing system, avoid wiring bad;
4, the utility model makes the emc testing safety and precise more of automotive electronics.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the automotive electronics private mask case of the utility model embodiment one.
In figure: 10-casing, 11-shell fragment, 12-circular hole, 13-binding post, 20-upper cover, 21-handle.
Embodiment
In order to the technical scheme of the above-mentioned utility model of more detailed statement, below list specific embodiment and carry out Proof Technology effect; It is emphasized that these embodiments are not limited to for illustration of the utility model limit scope of the present utility model.
A kind of automotive electronics private mask case that the utility model provides, please refer to Fig. 1, the upper cover 20 comprising casing 10 and mate with described casing 10, the outward flange of the opening part of described casing 10 is evenly inlaid with some shell fragments 11, and the inside edge of described upper cover 20 is provided with the draw-in groove (not shown) mated with described shell fragment 11; The both sides, front and back of described casing 10 are respectively equipped with two circular holes 12, and high-voltage DC power supply passes from described circular hole 12; A side of described casing 10 is also provided with a binding post 13, and described binding post 13 is connected with emc testing system.In the utility model, utilize the cooperation of shell fragment 11 and draw-in groove to realize being tightly connected of casing 10 and upper cover 20, thus improve shield effectiveness; High-voltage DC power supply passes from circular hole 12, determines the position of high-voltage DC power supply, increases the fail safe of test; Utilize binding post 13 to be connected with emc testing system, avoid wiring bad.The utility model makes the emc testing safety and precise more of automotive electronics.
Preferably, described shell fragment 11 adopts copper material to make, and avoids shielding electromagnetic waves leakage signal on the one hand, improves sealing effectiveness; Conducting electricity very well due to copper, improves earthing effect on the other hand.
Preferably, be filled with absorbing material in described draw-in groove, be specially plate sound insulation absorbing material, conventional has polyurethane, electromagnetic shield rubber etc.Absorbing material both can shield sound wave and electromagnetic wave simultaneously, the fine particle outside all right Isolated Shield case and harmful substance, the accuracy of test data when ensureing that electromagnetic shielding box uses.
Preferably, the diameter of described circular hole 12 is 3 ± 0.1cm, and the position of certain described circular hole 12 can be passed through accurate measurement and determined, to guarantee high-voltage DC power supply safety.
Preferably, described binding post 13 is N-type terminal (female is to female), and the frequency range that described N-type terminal is corresponding is DC ~ 6GHz, is convenient to be connected with described emc testing system.To improve electromagnetic compatibility test result accuracy, reduce the impact of interference signal.
Preferably, please continue to refer to Fig. 1, the upper surface of described upper cover 20 is fixed with two handles 21, is convenient to the opening and closing of upper cover 20.
In sum, a kind of automotive electronics private mask case that the utility model provides, the upper cover 20 comprising casing 10 and mate with described casing 10, the outward flange of the opening part of described casing 10 is evenly inlaid with some shell fragments 11, and the inside edge of described upper cover 20 is provided with the draw-in groove mated with described shell fragment 11; The both sides, front and back of described casing 10 are respectively equipped with two circular holes 12, and high-voltage DC power supply passes from described circular hole 12; A side of described casing 10 is also provided with a binding post 13, and described binding post 13 is connected with emc testing system.In the utility model, utilize the cooperation of shell fragment 11 and draw-in groove to realize being tightly connected of casing 10 and upper cover 20, thus improve shield effectiveness; High-voltage DC power supply passes from circular hole 12, determines the position of high-voltage DC power supply, increases the fail safe of test; Utilize binding post 13 to be connected with emc testing system, avoid wiring bad.The utility model makes the emc testing safety and precise more of automotive electronics.
Obviously, those skilled in the art can carry out various change and modification to utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (8)
1. an automotive electronics private mask case, is characterized in that, the upper cover comprising casing and mate with described casing, and the outward flange of the opening part of described casing is evenly inlaid with some shell fragments, and the inside edge of described upper cover is provided with the draw-in groove mated with described shell fragment; The both sides, front and back of described casing are respectively equipped with two circular holes, and high-voltage DC power supply passes from described circular hole; A side of described casing is also provided with a binding post, and described binding post is connected with emc testing system.
2. automotive electronics private mask case as claimed in claim 1, is characterized in that, described shell fragment adopts copper material to make.
3. automotive electronics private mask case as claimed in claim 1, is characterized in that, be filled with absorbing material in described draw-in groove.
4. automotive electronics private mask case as claimed in claim 3, it is characterized in that, described absorbing material is plate sound insulation absorbing material.
5. automotive electronics private mask case as claimed in claim 1, it is characterized in that, the diameter of described circular hole is 3 ± 0.1cm.
6. automotive electronics private mask case as claimed in claim 1, it is characterized in that, described binding post is N-type terminal.
7. automotive electronics private mask case as claimed in claim 6, it is characterized in that, the frequency range that described N-type terminal is corresponding is DC ~ 6GHz.
8. automotive electronics private mask case as claimed in claim 1, it is characterized in that, the upper surface of described upper cover is fixed with two handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356439.8U CN204652870U (en) | 2015-05-28 | 2015-05-28 | Automotive electronics private mask case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520356439.8U CN204652870U (en) | 2015-05-28 | 2015-05-28 | Automotive electronics private mask case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204652870U true CN204652870U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520356439.8U Active CN204652870U (en) | 2015-05-28 | 2015-05-28 | Automotive electronics private mask case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204652870U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052991A (en) * | 2016-05-24 | 2016-10-26 | 贵州航天电子科技有限公司 | Product error response test system |
| CN107089204A (en) * | 2017-05-25 | 2017-08-25 | 深圳市创艺工业技术有限公司 | Automotive electronics private mask case based on graphene composite wave-suction material |
-
2015
- 2015-05-28 CN CN201520356439.8U patent/CN204652870U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052991A (en) * | 2016-05-24 | 2016-10-26 | 贵州航天电子科技有限公司 | Product error response test system |
| CN107089204A (en) * | 2017-05-25 | 2017-08-25 | 深圳市创艺工业技术有限公司 | Automotive electronics private mask case based on graphene composite wave-suction material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Acer Road, Suzhou City Industrial Park, No. 99 Jiangsu 215200 Patentee after: DeKay certification services (Suzhou) Co., Ltd. Address before: Acer Road, Suzhou City Industrial Park, No. 99 Jiangsu 215200 Patentee before: QuieTek Technology (Suzhou) Co.,Ltd. |