CN113133255A - Terminal mounting structure of electric vehicle controller - Google Patents
Terminal mounting structure of electric vehicle controller Download PDFInfo
- Publication number
- CN113133255A CN113133255A CN202110405913.1A CN202110405913A CN113133255A CN 113133255 A CN113133255 A CN 113133255A CN 202110405913 A CN202110405913 A CN 202110405913A CN 113133255 A CN113133255 A CN 113133255A
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- Prior art keywords
- terminal
- electric vehicle
- hole
- vehicle controller
- base
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Classifications
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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
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- 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
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- 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
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention relates to the technical field of electric vehicle controllers, and aims to solve the technical problems of poor overcurrent capacity, high temperature rise and hidden waterproof performance of overcurrent nodes caused by small contact area of the top surface of the conventional electric vehicle controller. The waterproof circle in upper portion keeps apart water outside the product, prevents ponding.
Description
Technical Field
The invention relates to the technical field of electric vehicle controllers, in particular to a binding post mounting structure of an electric vehicle controller.
Background
The controller is the core part of electric motor car, and market conventional controller casing adopts the bar copper machine-shaping more, because of the top surface need do water repellent treatment, for the waterproof plug of cover, leads to risk such as top surface area of contact is few, the flow capacity is poor, high temperature. Simultaneously, inside waterproof plug or the assembly of O shape circle upper cover, behind the water logging, the vehicle is gone for a long time and is vibrated high temperature etc. and lead to this position and intake, lead to the product short circuit risk.
Disclosure of Invention
The invention provides a wiring terminal mounting structure of an electric vehicle controller, aiming at solving the technical problems of poor overcurrent capacity of overcurrent nodes, high temperature and hidden waterproof performance hazards caused by small contact area of the top surface of the existing electric vehicle controller.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides an electric vehicle controller's terminal mounting structure, includes terminal, upper cover and circuit board, the terminal top is provided with the wiring platform of cap form, the terminal bottom is provided with terminal fixed thread, the upper cover is provided with the through hole, install the terminal base on the circuit board, the terminal loops through waterproof circle in upper portion, through hole and installs on the terminal base. The waterproof circle in upper portion keeps apart water outside the product, prevents ponding.
Further, still include at least one waterproof circle in lower part, the terminal is provided with and is used for installing the ring channel of the waterproof circle in lower part, waterproof circle in lower part further strengthens waterproofly.
Further, the through hole is a boss hole. The boss holes can enable water to flow around, and water accumulation at the holes is avoided.
Preferably, the bottom of the terminal post base is provided with a counter bore or a through hole, an internal thread is arranged in the counter bore or the through hole, the circuit board is provided with a screw mounting hole for mounting the terminal post base, and a fixing screw passes through the screw mounting hole to fix the terminal post base on the circuit board.
Preferably, the bottom of the wiring terminal base is provided with a cylindrical boss, the outer side of the boss is provided with external threads, the circuit board is provided with a screw mounting hole for mounting the wiring terminal base, and the wiring terminal base is fixed on the circuit board through the screw mounting hole and a nut.
Preferably, the terminal post base is fixed on the circuit board in a welding mode.
Furthermore, solder paste can be coated on the binding post fixing threads to increase contact reliability and ensure good conductivity.
Furthermore, the through hole extends downwards to form a tubular shape, so that a plurality of lower waterproof rings are conveniently added, and the stability of the surrounding support of the binding post is improved.
Preferably, the wiring post base is the copper double-screw bolt, and electric conductivity is good, also is convenient for directly purchase, need not to make in addition, low cost and copper product welding are reliable, convenient.
Furthermore, the outer side of the wiring platform is of a hexagonal or meshed nut structure, and the like, so that the product can be conveniently mounted and dismounted.
The embodiment of the invention has the following beneficial effects:
the wiring terminal loops through the upper waterproof ring and the through hole to be installed on the wiring terminal base, and the upper waterproof ring isolates water outside the product to prevent water accumulation. In addition, one or more lower waterproof rings are added to further strengthen the waterproof performance; the boss holes can enable water to flow around the water, and water accumulation at the holes is avoided; the wiring post base can be firmly fixed on the circuit board through various different wiring post base mounting structures; the binding post fixing threads can be coated with solder paste for improving contact reliability and ensuring good conductivity; the through hole extends downwards to form a tubular shape, so that a plurality of lower waterproof rings are conveniently added, and the stability of the winding support of the binding post is improved; the wiring terminal base adopts the copper stud, so that the electric conductivity is excellent, direct purchase is convenient, additional customization is not needed, the cost is low, and the copper material is reliably and conveniently welded; the outside of wiring platform is hexagonal or nut structures such as bite flower, and the product of being convenient for is installed and is dismantled.
Drawings
FIG. 1 is an exploded view of a controller according to an embodiment of the present invention;
fig. 2 is a sectional view of a post mounting structure provided in an embodiment of the present invention;
FIG. 3 is an enlarged view of the point A in FIG. 2 according to an embodiment of the present invention;
fig. 4 is a structural view of an installation structure of a heat dissipation base and an upper cover according to an embodiment of the present invention;
FIG. 5 is an enlarged view of the embodiment of the present invention provided with respect to B in FIG. 4;
fig. 6 is an exploded view of a first mounting terminal according to an embodiment of the present invention;
fig. 7 is an exploded view of a second terminal mounting structure according to an embodiment of the present invention;
fig. 8 is an exploded view of a third terminal mounting structure according to an embodiment of the present invention;
fig. 9 is a sectional view of a first terminal mounting structure according to an embodiment of the present invention;
fig. 10 is a sectional view of a second terminal mounting structure provided in accordance with an embodiment of the present invention;
fig. 11 is a sectional view of a third terminal mounting structure according to an embodiment of the present invention.
In the figure: a terminal 10; an upper waterproof ring 11; a lower waterproof ring 12; a wiring platform 13; a terminal fixing screw 14; an upper cover 20; a signal terminal bit 21; a spring plate separation preventing strip 22; a waterproof bone site 23; a reinforcing rib 24; an upper cover fixing buckle 25; a heat dissipation base 30; a spring plate clamp groove 31; a terminal base 32; a signal terminal waterproof pad 33; a signal terminal 34; a power tube 35; heat transfer reinforcing ribs 36; a set screw 37; a circuit board 38; a clamping boss 39; a through hole 3A; a side dam 40; side baffle waterproof foam 41; a spring plate 50; a waterproof rubber strip 60.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Market conventional electric vehicle controller adopts the die-casting heat dissipation drain pan more, adopts the screw fixation with the upper cover. The process/procedure is complicated and thus cost-prohibitive. Market conventional electric vehicle controller adopts bottom heat dissipation mostly, and the product is installed the back on the electric motor car bottom position closed state, and the heat can't be to natural environment in, and the radiating effect is poor.
Referring to fig. 1 to 5, an electric vehicle controller mounting structure includes a heat dissipation base 30, an upper cover 20 and side baffles 40, the heat dissipation base 30 is in a U-shaped groove shape, the upper cover 20 is mounted above the heat dissipation base 30, and the side baffles 40 are mounted at two ends of the heat dissipation base 30. The side baffle 40 is attached with a side baffle waterproof foam 41 on the inner side.
The circuit board 38 is installed in the heat dissipation base 30, the power tube 35 is installed on the circuit board 38, the power tube 35 is an MOS tube, and the power tube 35 is attached to the inner side surface of the heat dissipation base 30 so as to conduct away heat quickly. The signal terminal 34 is installed at one end of the circuit board 38, the signal terminal waterproof pad 33 is further installed on the signal terminal 34, the signal terminal position 21 matched with the signal terminal 34 is arranged at one end of the upper cover, and a rectangular blocking wall is arranged on the periphery of the signal terminal position 21 and used for protecting the signal terminal 34 and avoiding direct contact with extraneous objects.
A U-shaped elastic sheet 50 is installed between the heat dissipation base 30 and the upper cover 20, the elastic sheet 50 is used for compressing the heat dissipation part of the power tube 35, base grooves are formed in the matching positions of the two sides of the heat dissipation base 30 and the upper cover 20, elastic sheet clamping grooves 31 are inwards recessed in the base grooves, upper cover grooves are formed in the corresponding positions of the upper cover 20, and elastic sheet separation preventing strips 22 used for compressing the elastic sheet 50 are arranged in the upper cover grooves. The elastic sheet 50 is used for compressing the power tube 35, so that materials such as a pressing strip and a screw are saved, and the cost is reduced.
Further, as shown in fig. 5, still be provided with waterproof bone position 23 in the upper cover recess, waterproof bone position 23 is located the shell fragment ends from between the outside limit of strip 22 and upper cover recess, install waterproof adhesive tape 60 between the top on waterproof bone position 23 and shell fragment draw-in groove 31 outside limit, strengthened water-proof effects, waterproof adhesive tape 60 adopts silica gel material, compares with ordinary rubber, and silica gel has high low temperature stability, inertia (tasteless odorless), transparent, easily color, hardness scope wide, chemical resistance and good sealing performance etc..
Further, as shown in fig. 5, the bottom edge of the upper cover 20 is bent inward to form an upper cover fixing buckle 25, and clamping bosses 39 matched with the upper cover fixing buckle 25 are arranged on two sides of the heat dissipation base 30, so that the purposes of clamping and water proofing are achieved. The upper cover 20 is connected with the heat dissipation base 30 through the upper cover fixing buckle 25, so that the installation is simple and convenient, and the production time cost and the material cost are saved.
Further, heat dissipation teeth for enhancing the convection heat dissipation effect are disposed at the bottom and both sides of the heat dissipation base 30.
Further, a power tube facing surface is arranged at the contact position of the heat dissipation base 30 and the power tube 35, and a heat transfer reinforcing rib 36 is arranged in the base groove and used for transferring heat to the heat dissipation teeth.
Further, the upper cover 20 is provided with a through hole 3A, the wiring terminal base 32 is installed on the circuit board 38, the wiring terminal 10 is installed on the wiring terminal base 32 through the through hole 3A, the wiring terminal base 32 is in a nut shape, so that the wiring terminal base is screwed in and fixed, the top area is overlarge, the wiring terminal base is in full contact with the wiring terminal, and the overcurrent capacity is completely guaranteed. The bottom of the terminal base 32 is a commercially available copper stud, and in one embodiment, the terminal base 32 is fixed on the bottom of the circuit board 38 by a screw, so that the terminal base is safe, reliable and low in cost.
Preferably, the heat dissipation base 30 is made of an aluminum extruded material. The cost of the die and the cost of the unit price of the heat dissipation base 30 can be greatly reduced, and the weight of the controller can be greatly reduced because the aluminum extruded section has excellent heat conductivity and can process a complex wavy curved surface.
Further, the upper cover 20 is provided with the reinforcing ribs 24, and the elastic sheet 50 is effectively abutted after assembly, so that the risk that the elastic sheet 50 is loosened due to vibration in the driving process of the vehicle is avoided.
The invention provides a terminal mounting structure of an electric vehicle controller, which aims to solve the technical problems of poor overcurrent capacity, temperature rise and hidden waterproof performance of overcurrent nodes caused by small contact area of the top surface of the existing electric vehicle controller and comprises a terminal 10, an upper cover 20 and a circuit board 30, wherein a cap-shaped wiring platform 13 is arranged at the top of the terminal 10, terminal fixing threads 14 are arranged at the bottom of the terminal 10, a through hole 3A is formed in the upper cover 20, a terminal base is arranged on the circuit board 38, and the terminal is mounted on the terminal base sequentially through an upper waterproof ring 11 and the through hole 3A. The upper waterproof ring 11 isolates water outside the product, preventing water accumulation.
Further, the waterproof structure also comprises at least one lower waterproof ring 12, the binding post is provided with an annular groove for installing the lower waterproof ring 12, and the lower waterproof ring 12 further strengthens the water resistance.
Further, the through hole 3A is a boss hole. The boss holes can enable water to flow around, and water accumulation at the holes is avoided.
Referring to fig. 6 to 11, the present invention provides three mounting structures of the binding post, wherein fig. 8 and 11 can be expanded into two.
Referring to fig. 6 and 9, as one example, a counter bore or a through hole is formed in the bottom of the terminal base 32, an internal thread is formed in the counter bore or the through hole, a circuit board 38 is provided with a screw mounting hole for mounting the terminal base 32, and a fixing screw 37 fixes the terminal base 32 to the circuit board 38 through the screw mounting hole.
As one example, referring to fig. 7 and 10, a cylindrical boss is disposed at the bottom of the terminal base 32, an external thread is disposed on a side surface of the boss, a screw mounting hole for mounting the terminal base 32 is disposed on the circuit board 38, and the terminal base 32 is fixed on the circuit board 38 through the screw mounting hole and a nut.
As an example, referring to fig. 8 and 11, a pad may be disposed on the circuit board 38, and the post base 32 may be fixed on the circuit board 38 by soldering.
Further, solder paste is also applied to the terminal fixing thread 14 to increase contact reliability and ensure good conductivity.
Furthermore, the through hole 3A extends downwards to form a tubular shape, so that a plurality of lower waterproof rings 12 are conveniently added, and the stability of surrounding support of the binding post 10 is improved.
Preferably, the post base 32 is a copper stud, the post base 32 may be steel, aluminum, copper or other, and thus the post base 32 is preferably a copper stud. The copper stud has excellent conductivity, is convenient to directly purchase, does not need to be additionally customized, has low cost and is reliable and convenient for welding the copper material.
Furthermore, the outer side of the wiring platform 13 is of a nut structure such as a hexagonal nut structure or a knurled nut structure, so that the product can be conveniently mounted and dismounted.
It can be seen that the implementation of the embodiment of the present invention brings the following beneficial effects:
the wiring terminal loops through the upper waterproof ring and the through hole to be installed on the wiring terminal base, and the upper waterproof ring isolates water outside the product to prevent water accumulation. In addition, one or more lower waterproof rings are added to further strengthen the waterproof performance; the boss holes can enable water to flow around the water, and water accumulation at the holes is avoided; the wiring post base can be firmly fixed on the circuit board through various different wiring post base mounting structures; the binding post fixing threads are also coated with solder paste for improving the contact reliability and ensuring good conductivity; the through hole extends downwards to form a tubular shape, so that a plurality of lower waterproof rings are conveniently added, and the stability of the winding support of the binding post is improved; the wiring terminal base adopts the copper stud, so that the electric conductivity is excellent, direct purchase is convenient, additional customization is not needed, the cost is low, and the copper material is reliably and conveniently welded; the outside of wiring platform is hexagonal or nut structures such as bite flower, and the product of being convenient for is installed and is dismantled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the embodiments and/or equivalent arrangements of some features may be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a terminal mounting structure of electric vehicle controller, its characterized in that, includes terminal (10), upper cover (20) and circuit board (38), terminal (10) top is provided with wiring platform (13) of cap form, terminal (10) bottom is provided with terminal fixed thread (14), upper cover (20) are provided with through hole (3A), install terminal base (32) on circuit board (38), terminal (10) loop through waterproof circle in upper portion (11), through hole (3A) are installed on terminal base (32).
2. A terminal mounting structure of an electric vehicle controller according to claim 1, further comprising at least one lower waterproof ring (12), the terminal (10) being provided with an annular groove for mounting the lower waterproof ring (12).
3. The terminal mounting structure of an electric vehicle controller according to claim 2, wherein the through-hole (3A) is a boss hole.
4. The terminal mounting structure of an electric vehicle controller according to claim 3, wherein a counter bore or a through hole is formed in the bottom of the terminal base (32), an internal thread is formed in the counter bore or the through hole, the circuit board (38) is provided with a screw mounting hole for mounting the terminal base (32), and a fixing screw (37) fixes the terminal base (32) to the circuit board (38) through the screw mounting hole.
5. The terminal mounting structure of an electric vehicle controller according to claim 3, wherein a cylindrical boss is provided at the bottom of the terminal base (32), an external thread is provided on a side surface of the boss, the circuit board (38) is provided with a screw mounting hole for mounting the terminal base (32), and the terminal base (32) is fixed on the circuit board (38) through the screw mounting hole and a nut.
6. The terminal mounting structure of an electric vehicle controller according to claim 3, wherein the terminal base (32) is fixed to the circuit board (38) by soldering.
7. The terminal mounting structure of an electric vehicle controller according to any one of claims 4 to 6, wherein the through-hole (3A) extends downward in a tubular shape.
8. The terminal mounting structure of an electric vehicle controller according to claim 8, wherein the terminal base (32) is a copper stud.
9. The terminal mounting structure of an electric vehicle controller according to claim 9, wherein the outside of the terminal platform (13) is a hexagonal or knurled nut structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405913.1A CN113133255B (en) | 2021-04-15 | 2021-04-15 | Terminal mounting structure of electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110405913.1A CN113133255B (en) | 2021-04-15 | 2021-04-15 | Terminal mounting structure of electric vehicle controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113133255A true CN113133255A (en) | 2021-07-16 |
| CN113133255B CN113133255B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110405913.1A Active CN113133255B (en) | 2021-04-15 | 2021-04-15 | Terminal mounting structure of electric vehicle controller |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472951A (en) * | 2015-12-28 | 2016-04-06 | 广东高标电子科技有限公司 | Electric vehicle controller |
| CN107645867A (en) * | 2017-10-09 | 2018-01-30 | 王大伟 | Controller for electric vehicle |
| CN207706544U (en) * | 2018-01-19 | 2018-08-07 | 无锡台翔电子技术发展有限公司 | Die casting controller of high power electric vehicle shell mechanism |
| CN108668474A (en) * | 2018-07-20 | 2018-10-16 | 北京友信宏科电子科技股份有限公司 | Controller for electric vehicle |
| CN208424979U (en) * | 2018-08-13 | 2019-01-22 | 无锡台翔电子技术发展有限公司 | Die casting controller of high power electric vehicle shell mechanism |
| CN111757631A (en) * | 2020-06-24 | 2020-10-09 | 新大洲本田摩托(苏州)有限公司 | Controller binding post mounting and screwing device and mounting method |
| CN112290851A (en) * | 2020-10-15 | 2021-01-29 | 淄博格润电子科技有限公司 | Low-voltage high-power AC motor controller for electric vehicle |
-
2021
- 2021-04-15 CN CN202110405913.1A patent/CN113133255B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472951A (en) * | 2015-12-28 | 2016-04-06 | 广东高标电子科技有限公司 | Electric vehicle controller |
| CN107645867A (en) * | 2017-10-09 | 2018-01-30 | 王大伟 | Controller for electric vehicle |
| CN207706544U (en) * | 2018-01-19 | 2018-08-07 | 无锡台翔电子技术发展有限公司 | Die casting controller of high power electric vehicle shell mechanism |
| CN108668474A (en) * | 2018-07-20 | 2018-10-16 | 北京友信宏科电子科技股份有限公司 | Controller for electric vehicle |
| CN208424979U (en) * | 2018-08-13 | 2019-01-22 | 无锡台翔电子技术发展有限公司 | Die casting controller of high power electric vehicle shell mechanism |
| CN111757631A (en) * | 2020-06-24 | 2020-10-09 | 新大洲本田摩托(苏州)有限公司 | Controller binding post mounting and screwing device and mounting method |
| CN112290851A (en) * | 2020-10-15 | 2021-01-29 | 淄博格润电子科技有限公司 | Low-voltage high-power AC motor controller for electric vehicle |
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| Publication number | Publication date |
|---|---|
| CN113133255B (en) | 2023-03-14 |
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