CN113766787A - Electric vehicle controller with good waterproof sealing performance - Google Patents
Electric vehicle controller with good waterproof sealing performance Download PDFInfo
- Publication number
- CN113766787A CN113766787A CN202111019614.0A CN202111019614A CN113766787A CN 113766787 A CN113766787 A CN 113766787A CN 202111019614 A CN202111019614 A CN 202111019614A CN 113766787 A CN113766787 A CN 113766787A
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- China
- Prior art keywords
- end cover
- main shell
- elastic gasket
- electric vehicle
- cable
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- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 239000003292 glue Substances 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 3
- 239000000463 material Substances 0.000 abstract description 9
- 238000005187 foaming Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- H05K5/06—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
-
- 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
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to an electric vehicle controller with good waterproof and sealing performances, which is structurally characterized in that end covers are respectively arranged at two ends of a main shell, a mounting opening is formed in a first end cover, a cable clamping block is arranged in the mounting opening, an elastic gasket is arranged between the first end cover and the main shell, a wire outlet is formed in the center of the elastic gasket, a cable is clamped in the cable clamping block and led out of the main shell, a slot is formed in the inner side surface of a second end cover, a clamping groove matched with the slot is formed in the end part of the main shell, the second end cover is clamped in the clamping groove of the main shell through the slot, an elastic gasket is embedded in the slot, and glue layers are arranged between the elastic gasket and contact surfaces of the first end cover and the main shell, and between the elastic gasket and contact surfaces of the slot of the second end cover and the clamping groove of the main shell. The invention has the advantages that: one end cover is hermetically connected with the main shell through an elastic gasket matched with a clamping structure, so that the waterproof sealing performance is ensured, and the using amount of a foaming material is reduced; the connection between the foaming material and each structure is provided with glue layers, so that the connection reliability is high; the good waterproof sealing performance of the electric vehicle controller can be effectively realized.
Description
Technical Field
The invention relates to an electric vehicle controller with good waterproof and sealing performances.
Background
The electric vehicle comprises an electric bicycle, an electric tricycle, an electric motorcycle and the like, and an electric vehicle controller is a control center part of the electric vehicle and needs good waterproof, shockproof and heat dissipation performance. If the water tightness is poor, the controller of the electric vehicle is flooded, the circuit board components and parts are short-circuited and failed, and the controller is damaged. The proportion of the situation that the electric vehicle controller is damaged due to the waterproof problem in the market is more than half, and particularly in rainy and humid southern areas, the waterproof problem of the electric vehicle controller is particularly prominent.
The waterproof structure of the electric vehicle controller in the prior art generally comprises the following parts:
1) complete encapsulating, the form of will whole circuit board and circuit component with complete encapsulating seals among the casing promptly, though can reach complete waterproof effect, but can't overhaul, and the glue quantity of pouring is very big, and manufacturing cost is higher.
2) The end cover is filled with glue, the structure cannot achieve the complete waterproof effect, the operation skill limits are met, short glue positions can be formed if the glue is not uniformly filled, and water leakage is caused to damage circuit board components.
3) The end cover adopts the harder flat cushion of texture department, and this kind of structure can not waterproof completely yet, and in actual processing, because the restriction of technology, if section bar casing processing is not meticulous, the terminal surface has burr or even terminal surface is uneven or unsmooth, and casing and flat cushion assembly back because traditional flat cushion ductility, scalability are not good, can lead to sealing not good between terminal surface and the flat cushion, lead to leaking.
CN 101365309B describes an electric vehicle controller shell with airtight waterproof construction, though it seals electric vehicle controller through the cooperation of foamed material elasticity interior pad and metal end cover structure, it has the interior pad of elasticity and end cover structure unreasonable each other, leads to the condition that the pad material is more in the elasticity, and manufacturing cost is higher, and foamed material only has one side to pass through glue connection contact site, connects the reliability and can't effectively guarantee.
Disclosure of Invention
The invention provides an electric vehicle controller with good waterproof sealing performance, which aims to overcome the defects in the prior art, realize reasonable structural design and reduce production cost on the premise of ensuring good waterproof sealing performance.
The technical solution of the invention is as follows: an electric vehicle controller with good waterproof and sealing performance structurally comprises a main shell internally provided with the electric vehicle controller, wherein a first end cover and a second end cover are respectively arranged at two ends of the main shell, a mounting opening is formed in the first end cover, a cable clamping block is arranged in the mounting opening, an elastic gasket is arranged between the first end cover and the main shell, a wire outlet matched with the mounting opening is formed in the center of the elastic gasket, a part of the cable clamping block extends into the wire outlet, a cable of the electric vehicle controller in the main shell is clamped in the cable clamping block and led out of the main shell, a circle of raised slot is formed in the edge of the inner side face of the second end cover, a clamping groove matched with the slot is formed in the end part of the main shell, the second end cover is clamped in the clamping groove of the main shell through the slot, an elastic gasket is embedded in the slot, a glue layer is arranged between the elastic gasket and the contact faces of the first end cover and the main shell, and glue layers are arranged between the elastic gasket and the contact faces of the slot of the second end cover and the clamping groove of the main shell, and the cable fixture block, the mounting port, the wire outlet and the cable of the electric vehicle controller are connected by glue pouring.
Preferably, the centers of the left side, the right side, the upper side and the lower side of the first end cover, the elastic gasket, the main shell and the second end cover are correspondingly provided with screw holes, and the first end cover, the elastic gasket, the main shell and the second end cover are connected together by screws penetrating through the screw holes at the corresponding positions.
Preferably, the elastic gasket and the elastic washer are made of EVA materials.
A mounting method of an electric vehicle controller with good waterproof and sealing performance comprises the following steps:
1) coating a glue layer on the contact surface of the elastic gasket and the main shell for connection, and coating a glue layer on the contact surface of the elastic gasket, the second end cover slot and the main shell clamping groove for connection;
2) clamping a cable of a controller in the main shell in a cable clamping block, and clamping the cable clamping block in a first end cover mounting port;
3) coating a glue layer on the contact surface of the elastic gasket and the first end cover, connecting the first end cover provided with the cable clamping block with the elastic gasket, and keeping the cable clamping block extending into the wire outlet;
4) the cable fixture block, the mounting port, the wire outlet and the cable of the electric vehicle controller are in full sealing connection through glue filling;
5) and screws sequentially penetrate through the corresponding screw holes in the centers of the left side, the right side, the upper side and the lower side of the first end cover, the elastic gasket, the main shell and the second end cover to finish the assembly of the electric vehicle controller with good waterproof and sealing performance.
The invention has the advantages that: the structure design is reasonable, one end cover is hermetically connected with the main shell through the elastic gasket matched with the clamping structure, the using amount of foaming materials is reduced on the premise of ensuring the waterproof sealing performance, and the production cost can be reduced; glue layers are arranged between the foaming material and each structure, so that the connection reliability is effectively improved; the good waterproof sealing performance of the electric vehicle controller can be effectively realized.
Drawings
Fig. 1 is a schematic structural view of a controller of an electric vehicle with good waterproof and sealing performance according to the present invention.
In the figure, 1 is a main housing, 2 is a first end cover, 3 is a second end cover, 4 is a cable fixture block, 5 is an installation opening, 6 is an elastic gasket, 7 is an outlet, 8 is an insertion groove, 9 is an elastic gasket, and 10 is a screw hole.
Detailed Description
The present invention will be described in further detail with reference to examples and specific embodiments.
As shown in figure 1, the electric vehicle controller with good waterproof and sealing performance structurally comprises a main shell 1 internally provided with the electric vehicle controller, a first end cover 2 and a second end cover 3 are respectively arranged at two ends of the main shell 1, a mounting opening 5 is formed on the first end cover 2, a cable clamping block 4 is arranged in the mounting opening 5, an elastic gasket 6 is arranged between the first end cover 2 and the main shell 1, a wire outlet 7 matched with the mounting opening 5 is formed in the center of the elastic gasket 6, a part of the cable clamping block 4 extends into the wire outlet 7, a cable of the electric vehicle controller in the main shell 1 is clamped in the cable clamping block 4 and led out of the main shell 1, a circle of convex slot 8 is arranged at the edge of the inner side surface of the second end cover 3, a clamping groove matched with the slot 8 is arranged at the end part of the main shell 1, the second end cover 3 is clamped in the clamping groove of the main shell 1 through the slot 8, an elastic gasket 9 is embedded in the slot 8, and a glue layer is arranged between the elastic gasket 6 and the contact surfaces of the first end cover 2 and the main shell 1, and glue layers are arranged between the elastic gasket 9 and the contact surfaces of the slot 8 of the second end cover 3 and the slot of the main shell body 1, and the cable clamping block 4, the mounting port 5, the wire outlet 7 and a cable of the electric vehicle controller are connected in a glue filling manner.
The centers of the left side, the right side, the upper side and the lower side of the first end cover 2, the elastic gasket 6, the main shell 1 and the second end cover 3 are correspondingly provided with screw holes 10, and screws penetrating through the screw holes 10 at the corresponding positions connect the first end cover 2, the elastic gasket 6, the main shell 1 and the second end cover 3 together.
The material of the elastic pad 6 and the elastic washer 9 is preferably EVA. Has the advantages of good buffering, shock resistance, heat insulation, moisture resistance, chemical corrosion resistance and the like, and is non-toxic and non-absorbent.
According to the above structure, when the device is installed,
1) connecting the elastic gasket 6 with the contact surface of the main shell 1 by coating a glue layer, and connecting the elastic gasket 9 with the contact surface of the slot 8 of the second end cover 3 and the contact surface of the clamping slot of the main shell 1 by coating a glue layer;
2) clamping a cable of a controller in the main shell 1 in a cable clamping block 4, and clamping the cable clamping block 4 in an installation opening 5 of the first end cover 2;
3) coating a glue layer on the contact surface of the elastic gasket 6 and the first end cover 2, connecting the first end cover 2 provided with the cable fixture block 4 with the elastic gasket 6, and keeping the cable fixture block 4 extending into the outlet 7;
4) the cable fixture block 4, the mounting port 5, the wire outlet 7 and the cable of the electric vehicle controller are in full sealing connection through glue filling;
5) and screws sequentially penetrate through the corresponding screw holes 10 in the centers of the left side, the right side, the upper side and the lower side of the first end cover 2, the elastic gasket 6, the main shell 1 and the second end cover 3 to complete the assembly of the electric vehicle controller with good waterproof and sealing performance.
All the above components are prior art, and those skilled in the art can use any model and existing design that can implement their corresponding functions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (4)
1. An electric vehicle controller with good waterproof and sealing performance is characterized by comprising a main shell (1) internally provided with the electric vehicle controller, wherein a first end cover (2) and a second end cover (3) are respectively arranged at two ends of the main shell (1), a mounting opening (5) is formed in the first end cover (2), a cable clamping block (4) is arranged in the mounting opening (5), an elastic gasket (6) is arranged between the first end cover (2) and the main shell (1), a wire outlet (7) matched with the mounting opening (5) is formed in the center of the elastic gasket (6), a part of the cable clamping block (4) extends into the wire outlet (7), a cable of the electric vehicle controller in the main shell (1) is clamped in the cable clamping block (4) and leads out the main shell (1), a circle of convex slot (8) is formed in the edge of the inner side face of the second end cover (3), and a clamping groove matched with the slot (8) is formed in the end part of the main shell (1), second end cover (3) are through slot (8) joint in main casing body (1) draw-in groove and slot (8) embedded elastic packing ring (9), establish the glue layer between elastic packing ring (6) and first end cover (2) and main casing body (1) contact surface, all establish the glue layer between the contact surface of elastic packing ring (9) and second end cover (3) slot (8) and main casing body (1) draw-in groove, cable fixture block (4), installing port (5), glue filling connection between outlet (7) and electric vehicle controller's the cable.
2. The controller according to claim 1, wherein the first end cap (2), the elastic gasket (6), the main housing (1) and the second end cap (3) are provided with screw holes (10) at the left and right sides and the upper and lower sides of the center, respectively, and the first end cap (2), the elastic gasket (6), the main housing (1) and the second end cap (3) are connected together by screws penetrating through the screw holes (10) at corresponding positions.
3. The electric vehicle controller with good waterproof and sealing performances as claimed in claim 2, wherein the elastic gasket (6) and the elastic washer (9) are made of EVA.
4. The method for mounting a controller of an electric vehicle according to claim 2 or 3, wherein the method comprises the steps of:
1) connecting the elastic gasket (6) with the contact surface of the main shell (1) by applying a glue layer, and connecting the elastic gasket (9) with the contact surface of the slot (8) of the second end cover (3) and the contact surface of the clamping slot of the main shell (1) by applying a glue layer;
2) clamping a cable of a controller in the main shell (1) in a cable clamping block (4), and clamping the cable clamping block (4) in a mounting port (5) of the first end cover (2);
3) coating a glue layer on the contact surface of the elastic gasket (6) and the first end cover (2), connecting the first end cover (2) provided with the cable clamping block (4) with the elastic gasket (6), and keeping the cable clamping block (4) extending into the outlet (7);
4) the cable clamping block (4), the mounting port (5), the wire outlet (7) and the cable of the electric vehicle controller are in full sealing connection through glue filling;
5) and screws sequentially penetrate through the corresponding screw holes (10) in the centers of the left side, the right side, the upper side and the lower side of the first end cover (2), the elastic gasket (6), the main shell (1) and the second end cover (3), so that the assembly of the electric vehicle controller with good waterproof and sealing performance is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111019614.0A CN113766787A (en) | 2021-09-01 | 2021-09-01 | Electric vehicle controller with good waterproof sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111019614.0A CN113766787A (en) | 2021-09-01 | 2021-09-01 | Electric vehicle controller with good waterproof sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113766787A true CN113766787A (en) | 2021-12-07 |
Family
ID=78792296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111019614.0A Pending CN113766787A (en) | 2021-09-01 | 2021-09-01 | Electric vehicle controller with good waterproof sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113766787A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008171754A (en) * | 2007-01-15 | 2008-07-24 | Fujikura Ltd | Waterproof connector, and its manufacturing method |
| CN101365309A (en) * | 2007-08-11 | 2009-02-11 | 天津市松正电子有限公司 | Electric vehicle housing having enclosed water-proof structure |
| CN201255507Y (en) * | 2008-08-27 | 2009-06-10 | 彭允光 | Combination electric water heater casing |
| CN202182439U (en) * | 2011-08-09 | 2012-04-04 | 深圳茂硕电源科技股份有限公司 | Waterproof and radiating structure with built-in flexible pipe for LED power |
| US20150335114A1 (en) * | 2014-05-20 | 2015-11-26 | Fantom Products Ltd. | Housing for electronic device |
-
2021
- 2021-09-01 CN CN202111019614.0A patent/CN113766787A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008171754A (en) * | 2007-01-15 | 2008-07-24 | Fujikura Ltd | Waterproof connector, and its manufacturing method |
| CN101365309A (en) * | 2007-08-11 | 2009-02-11 | 天津市松正电子有限公司 | Electric vehicle housing having enclosed water-proof structure |
| CN201255507Y (en) * | 2008-08-27 | 2009-06-10 | 彭允光 | Combination electric water heater casing |
| CN202182439U (en) * | 2011-08-09 | 2012-04-04 | 深圳茂硕电源科技股份有限公司 | Waterproof and radiating structure with built-in flexible pipe for LED power |
| US20150335114A1 (en) * | 2014-05-20 | 2015-11-26 | Fantom Products Ltd. | Housing for electronic device |
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| 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 |
Application publication date: 20211207 |
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| RJ01 | Rejection of invention patent application after publication |