CN110545639A - air tightness protection device of vehicle control unit - Google Patents
air tightness protection device of vehicle control unit Download PDFInfo
- Publication number
- CN110545639A CN110545639A CN201910658273.8A CN201910658273A CN110545639A CN 110545639 A CN110545639 A CN 110545639A CN 201910658273 A CN201910658273 A CN 201910658273A CN 110545639 A CN110545639 A CN 110545639A
- Authority
- CN
- China
- Prior art keywords
- parts
- upper cover
- control unit
- vehicle control
- flat plate
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Gasket Seals (AREA)
Abstract
the invention discloses an air tightness protection device of a vehicle control unit, which comprises an upper cover, a lower cover and a PCB (printed circuit board) arranged between the upper cover and the lower cover, wherein the upper cover and the lower cover are connected through a bolt; the upper cover comprises a first flat plate part and extension parts which are formed by bending and extending downwards from the left tail end and the right tail end of the first flat plate part, the tail ends of the extension parts respectively extend outwards to form flat parts which are parallel to the upper cover, the tail ends of the flat parts respectively extend to form L-shaped tail end parts, and the lower surface of the flat parts upwards sinks to form a recessed part; the lower cover comprises a second flat plate part parallel to the first flat plate part of the upper cover, and the tail ends of the second flat plate part are respectively bent upwards and extended to form buckling parts installed in the concave parts. The air tightness protection device of the vehicle control unit prevents the problem of water inflow of the vehicle control unit when the shell is not completely sealed, effectively avoids the insecurity of the vehicle in the wading process and plays a role in protecting the vehicle control unit from the defects of the protection grade.
Description
the technical field is as follows:
the invention relates to an air tightness protection device of a vehicle control unit, and belongs to the field of electric vehicles.
background art:
The whole vehicle controller is used as a core control component of the vehicle, plays an indispensable key in the aspects of functions such as whole vehicle driving control, energy optimization control, brake feedback control, network management and the like, and the tightness of the whole vehicle controller structure is related to the normal driving safety of the whole vehicle controller in the driving process of the vehicle.
the invention content is as follows:
The invention provides an air tightness protection device of a vehicle control unit, which aims to solve the problems in the prior art, and can prevent liquid from entering the vehicle control unit to influence the normal running and operation of the vehicle in the wading process of the vehicle, so that the safety performance of the vehicle is improved.
The technical scheme adopted by the invention is as follows: the air tightness protection device of the whole vehicle controller comprises an upper cover, a lower cover and a PCB (printed circuit board) arranged between the upper cover and the lower cover, wherein the upper cover and the lower cover are connected through bolts;
The upper cover comprises a first flat plate part and extension parts which are formed by bending and extending downwards from the left tail end and the right tail end of the first flat plate part, the tail ends of the extension parts respectively extend outwards to form flat parts which are parallel to the upper cover, the tail ends of the flat parts respectively extend to form L-shaped tail end parts, and the lower surface of the flat parts upwards concaves to form a concave part;
The lower cover comprises a second flat plate part parallel to the first flat plate part of the upper cover, and the tail ends of the second flat plate part are respectively bent upwards and extend to form buckling parts arranged in the concave parts.
furthermore, sealing glue is filled in a cavity A formed after the buckling part and the concave part are installed.
Further, an air tightness detection hole is formed in the upper cover.
Further, the diameter of the air tightness detection hole is 0.5 mm.
The invention has the following beneficial effects: the air tightness protection device of the vehicle control unit prevents the problem of water inflow of the vehicle control unit when the shell is not completely sealed, effectively avoids the insecurity of the vehicle in the wading process and plays a role in protecting the vehicle control unit from the defects of the protection grade.
description of the drawings:
Fig. 1 is a schematic structural view of an air-tight protection device of a vehicle control unit according to the present invention.
Fig. 2 is another schematic structural diagram of fig. 1.
Fig. 3 is a partially enlarged schematic view of fig. 1.
Fig. 4 is a schematic view of another structure of fig. 1.
The specific implementation mode is as follows:
The invention will be further described with reference to the accompanying drawings.
the air tightness protection device of the vehicle control unit comprises an upper cover 1, a lower cover 2 and a PCB 3 arranged between the upper cover 1 and the lower cover 2, wherein the upper cover 1 and the lower cover 2 are connected through a bolt 4.
The upper cover 1 comprises a first flat plate part 10 and extending parts 11 formed by bending and extending downwards from the left and right ends of the first flat plate part 10, the ends of the extending parts 11 respectively extend outwards to form flat parts 12 parallel to the upper cover 1, the ends of the flat parts 12 respectively extend to form L-shaped end parts 13, and the lower surface of the flat parts 12 is recessed upwards to form recessed parts 14.
The lower cover 2 comprises a second flat plate part 20 parallel to the first flat plate part 10 of the upper cover 1, and the ends of the second flat plate part 20 are respectively bent upwards and extended to form a buckling part 21 installed in the depressed part 14.
And sealing glue is filled in a cavity A formed after the buckling part 21 and the concave part 14 are installed, so that the whole air tightness protection device of the whole vehicle controller is sealed.
In the air tightness protection device of the vehicle control unit, the upper cover 1 is provided with the air tightness detection hole 15, wherein the diameter of the air tightness detection hole 15 is 0.5mm, the air tightness detection hole is vacuumized from the hole, and then the air pressure inside the vehicle control unit is tested after the pressure is maintained for 8S and 8S.
The air tightness protection device of the vehicle control unit prevents the problem of water inflow of the vehicle control unit when the shell is not completely sealed, effectively avoids the insecurity of the vehicle in the wading process and plays a role in protecting the vehicle control unit from the defects of the protection grade.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (4)
1. The utility model provides an air tightness protector of vehicle control unit which characterized in that: the PCB comprises an upper cover (1), a lower cover (2) and a PCB (3) arranged between the upper cover (1) and the lower cover (2), wherein the upper cover (1) and the lower cover (2) are connected through a bolt (4);
The upper cover (1) comprises a first flat plate part (10) and extension parts (11) formed by bending and extending downwards from the left end and the right end of the first flat plate part (10), the ends of the extension parts (11) respectively extend outwards to form flat parts (12) parallel to the upper cover (1), the ends of the flat parts (12) respectively extend to form L-shaped tail end parts (13), and the lower surfaces of the flat parts (12) are upwards sunken to form sunken parts (14);
The lower cover (2) comprises a second flat plate part (20) parallel to the first flat plate part (10) of the upper cover (1), and the tail ends of the second flat plate part (20) are respectively bent upwards to extend to form buckling parts (21) installed in the concave parts (14).
2. The air-tight protection device of the vehicle control unit according to claim 1, wherein: and sealing glue is filled in a cavity A formed after the buckling part (21) and the concave part (14) are installed.
3. The air-tight protection device of the vehicle control unit according to claim 2, wherein: an air tightness detection hole (15) is arranged on the upper cover (1).
4. The air-tight protection device of the vehicle control unit according to claim 2, wherein: the diameter of the air tightness detection hole (15) is 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658273.8A CN110545639A (en) | 2019-07-21 | 2019-07-21 | air tightness protection device of vehicle control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910658273.8A CN110545639A (en) | 2019-07-21 | 2019-07-21 | air tightness protection device of vehicle control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110545639A true CN110545639A (en) | 2019-12-06 |
Family
ID=68709978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910658273.8A Pending CN110545639A (en) | 2019-07-21 | 2019-07-21 | air tightness protection device of vehicle control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110545639A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2891324B2 (en) * | 1994-05-25 | 1999-05-17 | 矢崎総業株式会社 | Waterproof seal structure of electrical junction box |
| CN203554842U (en) * | 2013-10-31 | 2014-04-16 | 贵阳永青仪电科技有限公司 | Circuit board sealing structure |
| CN206674389U (en) * | 2017-04-05 | 2017-11-24 | 天津市松正电动汽车技术股份有限公司 | A kind of motor controller structure |
| CN109068521A (en) * | 2018-07-24 | 2018-12-21 | 天津深之蓝海洋设备科技有限公司 | Sealing cover, underwater boost motor, control device and its airtight detection method |
-
2019
- 2019-07-21 CN CN201910658273.8A patent/CN110545639A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2891324B2 (en) * | 1994-05-25 | 1999-05-17 | 矢崎総業株式会社 | Waterproof seal structure of electrical junction box |
| CN203554842U (en) * | 2013-10-31 | 2014-04-16 | 贵阳永青仪电科技有限公司 | Circuit board sealing structure |
| CN206674389U (en) * | 2017-04-05 | 2017-11-24 | 天津市松正电动汽车技术股份有限公司 | A kind of motor controller structure |
| CN109068521A (en) * | 2018-07-24 | 2018-12-21 | 天津深之蓝海洋设备科技有限公司 | Sealing cover, underwater boost motor, control device and its airtight detection method |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191206 |