阅读说明：本技术 车载动力电池无线充电器及安装方法 (Vehicle-mounted power battery wireless charger and mounting method ) 是由 冯颖盈 姚顺 郭珏 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种车载动力电池无线充电器及安装方法,包括步骤：在线圈盘上点胶,形成多条经过线圈盘中心位置的直线胶条,且每对相邻的胶条之间的夹角相同；将线束压入线圈盘的绕线槽形成线圈,通过压板工装固定线圈,固定预设时间后取出压板工装；在线圈盘的安装面定量灌胶,灌胶后放置磁芯,再安装固定支架；抽真空使灌入的胶水渗入缝隙,固化胶水。本发明通过在线圈盘的安装面上涂覆多条胶条,每段胶条都经过线圈盘的中心,每两段胶条之间的夹角相同,使线圈容易翘起的拐角处能够被很好的固定,同时胶条均匀间隔,既能够节省点胶量,同时又能够使线圈固定均匀。且固定好线圈后的灌胶过程中,磁芯的高度差以及间距能够被控制在合理范围。(The invention discloses a vehicle-mounted power battery wireless charger and an installation method thereof, wherein the method comprises the following steps: dispensing on the coil panel to form a plurality of linear adhesive tapes passing through the center of the coil panel, wherein included angles between each pair of adjacent adhesive tapes are the same; pressing a wire harness into a winding groove of a coil disc to form a coil, fixing the coil through a pressing plate tool, and taking out the pressing plate tool after fixing for a preset time; quantitatively pouring glue on the mounting surface of the coil disc, placing the magnetic core after the glue is poured, and then mounting the fixed bracket; vacuumizing to enable the poured glue to permeate into the gaps and solidify the glue. According to the invention, the installation surface of the coil panel is coated with the plurality of adhesive tapes, each section of adhesive tape passes through the center of the coil panel, and the included angle between each two sections of adhesive tapes is the same, so that the corners of the coil which are easy to tilt can be well fixed, and the adhesive tapes are uniformly spaced, so that the dispensing amount can be saved, and the coil can be uniformly fixed. And in the glue pouring process after the coil is fixed, the height difference and the distance of the magnetic core can be controlled within a reasonable range.)

1. A wireless charger for a vehicle-mounted power battery is characterized by comprising:

the coil panel is characterized in that a wire winding groove surrounding the center of the coil panel is formed in the mounting surface of the coil panel;

the adhesive tapes are coated on the mounting surface of the coil panel, each adhesive tape passes through the center of the coil panel, and included angles between every two adjacent adhesive tapes are the same;

the coil is arranged in the wire winding groove and is fixed with the coil disc through a rubber strip;

a plurality of magnetic cores mounted on the mounting surface of the coil panel and covering the coils;

and the fixed bracket is pressed on the magnetic core.

2. The vehicle-mounted power battery wireless charger according to claim 1, wherein a potting layer is arranged between the coil and the magnetic core, and the potting layer penetrates into gaps between the magnetic cores and gaps between the coil and the coil panel.

3. The vehicle-mounted power battery wireless charger according to claim 1, wherein the winding grooves enclose a path which is a square spiral, and the square corners of the square spiral are rounded.

4. The wireless charger for the vehicle-mounted power battery according to claim 3, wherein the coil is formed by winding a wire harness along the winding slot, so that the coil is composed of straight sections and arc-shaped corner sections which are alternately connected.

5. The vehicle-mounted power battery wireless charger according to claim 4, wherein four adhesive tapes are coated on the mounting surface of the coil panel in a shape like a Chinese character mi, and two inclined adhesive tapes vertically pass through the arc-shaped corner section of the coil.

6. The vehicle-mounted power battery wireless charger according to claim 1, wherein a circular groove is formed around the mounting surface of the coil panel, and a radar plate is mounted in the circular groove.

7. The vehicle-mounted power battery wireless charger according to claim 1, wherein the distance between two adjacent magnetic cores is less than or equal to 0.5mm, and the height difference between the magnetic cores is less than 0.5 mm.

8. The mounting method of the vehicle-mounted power battery wireless charger according to any one of claims 1 to 7, characterized by comprising the following steps:

mounting a radar plate on the coil panel;

dispensing on the coil panel to form a plurality of linear adhesive tapes passing through the center of the coil panel, wherein included angles between each pair of adjacent adhesive tapes are the same;

pressing a wire harness into a winding groove of a coil disc to form a coil, fixing the coil through a pressing plate tool, and taking out the pressing plate tool after fixing for a preset time;

quantitatively pouring glue on the mounting surface of the coil disc, placing the magnetic core after the glue is poured, and then mounting the fixed bracket;

vacuumizing to enable the poured glue to permeate into the gaps and solidify the glue.

9. The method for installing the wireless charger for the vehicle-mounted power battery according to claim 8, wherein two ends of the wire harness are plugged into the terminals, and the terminals are pressed by a resistance welding device to be fixed with the wire harness.

Technical Field

The invention relates to the technical field of electric automobiles, in particular to a vehicle-mounted power battery wireless charger and an installation method.

Background

At present, a battery pack of an electric automobile mainly depends on charging piles and is charged in a wired mode, and convenience and universality of the wired charging mode are limited to a certain extent. Therefore, the existing electric vehicle can also be charged by using a wireless charging system. The vehicle-mounted wireless charger is mainly characterized by high power, compact structure and higher requirement on heat dissipation of products. And thus is greatly different from the conventional coil disk in the manufacturing method. However, in the prior art, the coil of the vehicle-mounted wireless charger is fixed and uneven, the whole structure is not compact, and the installation position of the magnetic core is not well controlled.

Disclosure of Invention

The invention provides a vehicle-mounted power battery wireless charger and an installation method thereof, aiming at solving the technical problems in the prior art.

The technical scheme adopted by the invention is as follows:

the invention provides a vehicle-mounted power battery wireless charger, which comprises:

the coil panel is characterized in that a wire winding groove surrounding the center of the coil panel is formed in the mounting surface of the coil panel;

the adhesive tapes are coated on the mounting surface of the coil panel, each adhesive tape passes through the center of the coil panel, and included angles between every two adjacent adhesive tapes are the same;

the coil is arranged in the wire winding groove and is fixed with the coil disc through a rubber strip;

a plurality of magnetic cores mounted on the mounting surface of the coil panel and covering the coils;

and the fixed bracket is pressed on the magnetic core.

Furthermore, a glue filling layer is arranged between the coil and the magnetic core, and the glue filling layer permeates gaps between the magnetic cores and gaps between the coil and the coil panel.

Furthermore, the route that the winding wire groove encloses is square helix, and the square corner of square helix is the fillet. The coil is formed by winding a wire harness along the winding slot, so that the coil is composed of straight sections and arc-shaped corner sections which are alternately connected.

Preferably, four adhesive tapes are coated on the mounting surface of the coil panel in a shape like a Chinese character 'mi', and the two sections of inclined adhesive tapes vertically pass through the arc-shaped corner sections of the coil.

Furthermore, a circular groove is formed in the periphery of the installation surface of the coil panel, and a radar plate is installed in the circular groove.

Furthermore, the distance between two adjacent magnetic cores is less than or equal to 0.5mm, and the height difference between the magnetic cores is less than 0.5 mm.

The invention also provides an installation method of the vehicle-mounted power battery wireless charger, which comprises the following steps:

mounting a radar plate on the coil panel;

dispensing on the coil panel to form a plurality of linear adhesive tapes passing through the center of the coil panel, wherein included angles between each pair of adjacent adhesive tapes are the same;

pressing a wire harness into a winding groove of a coil disc to form a coil, fixing the coil through a pressing plate tool, and taking out the pressing plate tool after fixing for a preset time;

quantitatively pouring glue on the mounting surface of the coil disc, placing the magnetic core after the glue is poured, and then mounting the fixed bracket;

vacuumizing to enable the poured glue to permeate into the gaps and solidify the glue.

The plurality of rubber strips are distributed in a shape like a Chinese character 'mi', and two inclined rubber strips vertically pass through the arc-shaped corner sections of the coil in the shape like the Chinese character 'mi'.

The two ends of the wire harness are inserted into the terminals, and the terminals are pressurized through resistance welding equipment, so that the terminals and the wire harness are fixed.

Compared with the prior art, the invention coats a plurality of adhesive tapes on the mounting surface of the coil panel, each section of adhesive tape passes through the center of the coil panel, and the included angle between each two sections of adhesive tapes is the same, so that the corners of the coil which are easy to tilt can be well fixed, and the adhesive tapes are uniformly spaced, thereby saving the adhesive dispensing amount and simultaneously enabling the coil to be uniformly fixed. And in the glue pouring process after the coil is fixed, the height difference and the distance of the magnetic core can be controlled within a reasonable range, so that the structure of the whole device is more compact, and the conversion efficiency is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is an exploded view of a coil and coil disk in accordance with an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a coil disk according to an embodiment of the present invention;

coil panel 1, coil 2, radar board 3, polylith magnetic core 4, fixed bolster 5.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in 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.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.

As shown in fig. 1 and 2, the invention provides a vehicle-mounted power battery wireless charger, comprising: coil panel 1, coil 2, radar board 3, polylith magnetic core 4 and fixed bolster 5. Coil panel 1 is squarely, and its positive be equipped with the round surrounding edge all around, makes its front as the installation face, and the installation face is equipped with the wire winding groove for around dress pencil formation coil 2, the wire winding route that the wire winding groove encloses be square helix, the square corner fillet of square helix forms arc turning angle section, the wire winding route that the wire winding groove encloses is become by straightway, arc turning angle section continuous in turn promptly and constitutes. Glue is firstly dispensed before the coil is installed, a plurality of adhesive tapes passing through the winding slot are formed on the installation surface, and two sections of mutually crossed adhesive tapes perpendicularly pass through the arc corner section of the winding slot and pass through the central position of the coil panel 1. The coil is impressed the wire winding groove after the adhesive tape coating is accomplished, makes the coil pass through the adhesive tape and is fixed in the wire winding groove of coil panel, and magnetic core 4 totally 9 are arranged in the array, pastes the dress and cover the coil on the installation face of coil panel, and the fixed bolster presses on the magnetic core and prevents that the magnetic core from removing, makes the magnetic core fixed and difference in height unanimous. A plurality of adhesive tapes are coated on the mounting surface of the coil panel 1, each section of adhesive tape passes through the center of the coil panel, and the included angle between each two sections of adhesive tapes is equal. And two sections of mutually crossed adhesive tapes vertically pass through the arc-shaped corner sections of the winding grooves, so that the corners of the coil which is easy to tilt can be well fixed, and the adhesive tapes are uniformly spaced, so that the adhesive dispensing amount can be saved, and the coil can be uniformly fixed.

The wire winding groove of the installation surface of the coil panel 1 is enclosed by the partition plate, the middle part of the coil panel 1 is convex, the wire winding groove surrounds the position of the middle part which is convex, the outward spiral extension is performed, the path enclosed by the wire winding groove is a square spiral line, the fillet at the square corner of the square spiral line forms an arc-shaped corner section, and the path enclosed by the wire winding groove is formed by alternately connecting straight line segments and the arc-shaped corner section to form the square spiral line. The coil 2 is formed by winding a wire harness into a square spiral shape (specifically, a square spiral shape on a plane) along the winding groove.

The adhesive tapes are four in number, are combined to form a shape like a Chinese character 'mi' (specifically, as shown by dotted lines in fig. 2, it should be noted that the dotted lines exceed the coil panel for convenience of identification, and can be used for dispensing in the outline range of the coil panel during dispensing), that is, the adhesive tapes are transversely one, longitudinally one, obliquely crossed two, and the included angle between each two sections of the adhesive tapes is the same, so that the straight line sections 21 and the arc-shaped corner sections 22 corresponding to the coils 2 can be well fixed.

Specifically, after the coil 2 is installed, quantitative glue filling is carried out on the installation surface of the coil panel 1, then the magnetic core 4 is attached to the installation surface of the coil panel 1, the fixing support 5 is installed on the magnetic core 4, a glue filling layer is formed between the magnetic core 4 and the coil 2, and meanwhile the glue filling layer penetrates into gaps between the coil and the coil panel and gaps between the magnetic cores in a vacuumizing mode.

As shown in fig. 3, the installation face of coil panel 1 is equipped with ring groove 12 all around, and constitutes the baffle 11 of wire winding groove cell wall and in the vacancy of corresponding ring groove 12 position, and the bottom plate of radar board 3 is the ring form, installs in ring groove 12, and the surface of radar board bottom plate flushes with the bottom surface of wire winding groove after the radar board installation, avoids influencing the installation of coil, carries out the point again in the production behind the installation radar board and glues.

The distance between two adjacent magnetic cores 4 is less than or equal to 0.5mm, and the height difference between the magnetic cores is less than 0.5mm, so that the structure is compact and flat.

The invention also provides an installation method of the vehicle-mounted power battery wireless charger, which comprises the following steps:

mounting four radar plates 3 at the positions of the circular grooves on the mounting surface of the coil panel 1;

dispensing glue on the mounting surface of the coil panel to form a plurality of adhesive tapes passing through the central position of the coil panel, wherein the adhesive tapes are coated on the coil panel in a shape of Chinese character mi, the included angle between each two adjacent sections of adhesive tapes is equal, and the two sections of mutually crossed adhesive tapes vertically pass through the arc corner sections of the corresponding coils of the winding slots;

pressing a wire harness into a winding groove of the coil disc to form a coil, fixing the coil through a pressing plate, and taking out the pressing plate tool after fixing for a preset time;

quantitatively pouring glue on the mounting surface of the coil disc, mounting a magnetic core on the mounting surface of the coil disc after the glue is poured, and mounting a fixed bracket for pressing the magnetic core;

and vacuumizing to enable the glue poured into the mounting surface of the coil panel to permeate into gaps among the components, and curing the glue.

Specifically, the two ends of the wire harness are taken out of the high-temperature-resistant insulating film on the surface and then are spliced with the terminal, the terminal and the wire harness are pressurized by using intermediate-frequency resistance welding equipment, and the inside of the litz wire harness and the joint part of the terminal are melted and fixed by using the heating action of short-time large current.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.