CN216146246U - Anti-electromagnetic interference DC-DC converter structure - Google Patents
Anti-electromagnetic interference DC-DC converter structure Download PDFInfo
- Publication number
- CN216146246U CN216146246U CN202121910763.1U CN202121910763U CN216146246U CN 216146246 U CN216146246 U CN 216146246U CN 202121910763 U CN202121910763 U CN 202121910763U CN 216146246 U CN216146246 U CN 216146246U
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- Prior art keywords
- box
- box body
- converter
- upper cover
- shielding
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- Expired - Fee Related
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- 238000005192 partition Methods 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
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- Dc-Dc Converters (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses an anti-electromagnetic interference DC-DC converter structure, which comprises a DC-DC converter body, a box body and a cover body; a partition plate is arranged at the lower part in the box body; the baffle and the bottom of the box body are connected with a plurality of box body shockproof balls; the cover body comprises an upper cover and a shielding box; the lower part of the inner wall of the upper cover is fixedly connected with a shielding box; a plurality of cover body shockproof balls are arranged between the shielding box and the upper cover; the bottom surface of the shielding box is provided with an opening; the upper cover is detachably and hermetically connected with the box body; the opening of the shielding box can contact the partition plate when the upper cover is in sealing connection with the box body; the DC-DC converter body is arranged between the shielding box and the partition plate; the box body outside is equipped with a plurality of heat dissipation fan. The utility model has good electromagnetic interference resistance, shock resistance and heat dissipation performance.
Description
Technical Field
The utility model relates to the technical field of DC-DC converters of electric vehicle chargers, in particular to an anti-electromagnetic interference DC-DC converter structure.
Background
The traditional motorcycle generally adopts a fuel engine as power, but the fuel motorcycle is gradually eliminated in the market in recent years due to the reasons of high energy consumption, low efficiency, environmental pollution caused by exhaust emission and the like. Along with the environmental pollution, people pay more and more attention to clean energy, and electric vehicles using electric power as a main energy source are produced. The electric vehicle is a vehicle driven by electric energy, and is popular due to dexterity, convenience, energy conservation and environmental protection.
In the current electric vehicle products, the power module of the electric vehicle charger plays a very important role. In these devices of electric vehicle chargers, the respective power supply modules often require different voltages. The single power supply voltage can be converted into a plurality of stable voltages with different amplitudes through a DC-DC converter. The DC-DC converter has the characteristics of high efficiency, high integration level, wide voltage stabilizing range and the like, and is widely applied to various electronic and automobile products. The DC-DC converter is one kind of switching power supply, and the circuit includes control chip, resistor, capacitor, magnetic device and other electronic elements.
The general DC-DC converter has complex installation environment, the periphery of the DC-DC converter not only relates to strong electric equipment such as high-power and high-current electric power and electronics, but also relates to weak electric equipment such as micro-electronic devices with low power and low current, and electromagnetic interference generated in the operation of the strong electric equipment poses great threat to the normal operation of the DC-DC converter; the DC-DC converter is generally arranged in an automobile product, and when the automobile vibrates, components in the DC-DC converter are affected; meanwhile, the DC-DC converter needs to dissipate heat.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a DC-DC converter structure with good electromagnetic interference resistance, shock resistance and heat dissipation performance.
In order to solve the above problems, an anti-electromagnetic interference DC-DC converter structure is provided, which comprises a DC-DC converter body, a box body and a cover body; a partition plate is arranged at the lower part in the box body; the baffle and the bottom of the box body are connected with a plurality of box body shockproof balls; the cover body comprises an upper cover and a shielding box; the lower part of the inner wall of the upper cover is fixedly connected with a shielding box; a plurality of cover body shockproof balls are arranged between the shielding box and the upper cover; the bottom surface of the shielding box is provided with an opening; the upper cover is detachably and hermetically connected with the box body; the opening of the shielding box can contact the partition plate when the upper cover is in sealing connection with the box body; the DC-DC converter body is arranged between the shielding box and the partition plate; the box body outside is equipped with a plurality of heat dissipation fan.
Particularly, the top surface and the peripheral wall surface in the shielding box are both attached with electromagnetic wave adsorption patches.
In particular, the upper and lower surfaces of the separator are attached with aluminum foil shielding layers.
Particularly, the partition plate is provided with a limiting block for clamping the DC-DC converter body.
Particularly, a plurality of grooves are arranged on the outer side of the box body; a plurality of radiating bars are arranged on the bottom of the tank; the heat dissipation fan is fixedly arranged on the heat dissipation row.
Particularly, the box body and the shielding box are provided with wire holes which can penetrate through wires to be connected with the DC-DC converter.
The utility model has the beneficial effects that:
the utility model has simple structure and convenient installation, and the shielding box and the partition plates which are preferably arranged and have aluminum foil shielding layers attached to the upper and lower surfaces can achieve good electromagnetic interference resistance effect; the plurality of radiating fans outside the box body are preferably provided with radiating rows, so that the shielding effect of the shielding box is not influenced, and the radiating fan has good radiating performance; the baffle is connected with a plurality of box body shockproof balls at the bottom of the box body, and a plurality of box body shockproof balls between the shielding box and the upper cover, the shockproof balls can buffer shock, and the preferable set limiting block clamps the DC-DC converter body, so that the DC-DC converter has good shock absorption performance. The utility model has good electromagnetic interference resistance, shock resistance and heat dissipation performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
In the figure: a DC-DC converter body; 1. a box body; 2. an upper cover; 3. a shield case; 4. a cover body shockproof ball; 5. a partition plate; 6. a heat dissipation fan; 7. heat dissipation is carried out; 8. a limiting block; 9. the box body is a shockproof ball.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the present invention is used to usually place, are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the anti-electromagnetic interference DC-DC converter structure of this embodiment includes a DC-DC converter body 0, a box body 1 and a cover. The lower part in the box body 1 is provided with a clapboard 5. The upper and lower surfaces of the partition 5 are attached with aluminum foil shielding layers. The partition plate 5 is provided with a limiting block 8 for clamping the DC-DC converter body 0. The bottom of the clapboard 5 and the bottom of the box body 1 are connected with a plurality of box body shockproof balls 9. The cover body includes an upper cover 2 and a shield case 3. The top surface and the peripheral wall surface in the shielding box 3 are both attached with electromagnetic wave adsorption patches. The lower part of the inner wall of the upper cover 2 is fixedly connected with a shielding box 3. A plurality of cover body shockproof balls 4 are arranged between the shielding box 3 and the upper cover 2. The bottom surface of the shield case 3 is open. The upper cover 2 is detachably connected with the box body 1 in a sealing way. The opening of the shield case 3 can contact the partition 5 when the upper cover 2 is hermetically coupled to the case body 1. The DC-DC converter body 0 is mounted between the shield case 3 and the partition 5. The outer side of the box body 1 is provided with a plurality of grooves. The bottom of the groove is provided with a plurality of radiating rows 7. The heat dissipation fan 6 is fixedly arranged on the heat dissipation row 7, so that the outer side of the box body 1 is provided with a plurality of heat dissipation fans 6. The box body 1 and the shielding box 3 are also provided with wire holes which can be connected with a DC-DC converter through wires.
The working principle and the using method of the utility model are as follows:
when the utility model is used, the DC-DC converter body 0 is arranged between the shielding box 3 and the partition plate 5, the box body 1 and the upper cover 2 are sealed, and the heat radiation fan 6 is electrified. The shielding box and the partition board with the aluminum foil shielding layers attached to the upper and lower surfaces can achieve good electromagnetic interference resistance; the plurality of heat dissipation fans and the heat dissipation rows on the outer side of the box body not only do not influence the shielding effect of the shielding box, but also have good heat dissipation performance; the baffle plate is connected with a plurality of box body shockproof balls at the bottom of the box body, and a plurality of box body shockproof balls are arranged between the shielding box and the upper cover and can buffer shock; the limiting blocks are arranged to clamp the DC-DC converter body, and the damping performance of the damping is good.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the utility model, as long as they do not exceed the scope of the utility model described in the claims.
Claims (6)
1. An anti-electromagnetic interference DC-DC converter structure comprises a DC-DC converter body, a box body and a cover body; the method is characterized in that: a partition plate is arranged at the lower part in the box body; the baffle and the bottom of the box body are connected with a plurality of box body shockproof balls; the cover body comprises an upper cover and a shielding box; the lower part of the inner wall of the upper cover is fixedly connected with a shielding box; a plurality of cover body shockproof balls are arranged between the shielding box and the upper cover; the bottom surface of the shielding box is provided with an opening; the upper cover is detachably and hermetically connected with the box body; the opening of the shielding box can contact the partition plate when the upper cover is in sealing connection with the box body; the DC-DC converter body is arranged between the shielding box and the partition plate; the box body outside is equipped with a plurality of heat dissipation fan.
2. The structure of claim 1, wherein the structure of the anti-electromagnetic interference DC-DC converter comprises: the top surface and the peripheral wall surface in the shielding box are both attached with electromagnetic wave adsorption patches.
3. The structure of claim 1, wherein the structure of the anti-electromagnetic interference DC-DC converter comprises: and aluminum foil shielding layers are attached to the upper surface and the lower surface of the partition board.
4. The structure of claim 1, wherein the structure of the anti-electromagnetic interference DC-DC converter comprises: and the partition plate is provided with a limiting block for clamping the DC-DC converter body.
5. The structure of claim 1, wherein the structure of the anti-electromagnetic interference DC-DC converter comprises: a plurality of grooves are formed in the outer side of the box body; a plurality of radiating bars are arranged on the bottom of the tank; the heat dissipation fan is fixedly arranged on the heat dissipation row.
6. The structure of claim 1, wherein the structure of the anti-electromagnetic interference DC-DC converter comprises: and wire holes which can penetrate through wires to be connected with the DC-DC converter are formed in the box body and the shielding box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121910763.1U CN216146246U (en) | 2021-08-16 | 2021-08-16 | Anti-electromagnetic interference DC-DC converter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121910763.1U CN216146246U (en) | 2021-08-16 | 2021-08-16 | Anti-electromagnetic interference DC-DC converter structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216146246U true CN216146246U (en) | 2022-03-29 |
Family
ID=80805558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121910763.1U Expired - Fee Related CN216146246U (en) | 2021-08-16 | 2021-08-16 | Anti-electromagnetic interference DC-DC converter structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216146246U (en) |
-
2021
- 2021-08-16 CN CN202121910763.1U patent/CN216146246U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |