CN112290721A - Automobile, permanent magnet motor and wiring board thereof - Google Patents
Automobile, permanent magnet motor and wiring board thereof Download PDFInfo
- Publication number
- CN112290721A CN112290721A CN201910666845.7A CN201910666845A CN112290721A CN 112290721 A CN112290721 A CN 112290721A CN 201910666845 A CN201910666845 A CN 201910666845A CN 112290721 A CN112290721 A CN 112290721A
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- CN
- China
- Prior art keywords
- permanent magnet
- insert
- wiring board
- terminal block
- magnet motor
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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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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses an automobile, a permanent magnet motor and a wiring board thereof. Set up wiring board main part and inserts into the part of two components of a whole that can function independently in this application to can dismantle the connection, can realize that the inserts freely dismantles and changes, in order to avoid extravagant increase cost.
Description
Technical Field
The invention relates to the technical field of new energy passenger cars, in particular to an automobile, a permanent magnet motor and a wiring board thereof.
Background
Because the permanent magnet motor has the advantages of high power factor, high efficiency, small size and the like, the market value of the permanent magnet motor is more and more favored by the new energy automobile industry. In order to meet the requirements of the new energy automobile industry on large batch, low cost and high reliability, the whole new energy automobile industry chain is extremely reduced in cost and optimized design, and therefore profits are maximized. For manufacturers of permanent magnet motors, cost reduction optimization design of any motor part is of great importance and cannot be ignored, and optimization space exists when the size of the motor part is larger than that of a motor stator and a motor rotor and when the size of the motor part is smaller than that of a screw gasket. Under the market environment that the new energy automobile industry is extremely competitive, aiming at domestic permanent magnet motor manufacturers, who can do the cost optimum and the motor structure is simple and reliable, who can seize the market to take the lead, the development of the big enterprise.
For a permanent magnet motor, there are many important parts, such as a stator, a rotor, a housing, and the like. However, how to design a reasonable lead-out wire structure and a wiring board for a three-phase lead-out wire of a motor stator is also a considerable design difficulty. The main design difficulty of the wiring board is to design the wiring board as simple and reliable as possible, and have high manufacturability and manufacturability while ensuring electrical insulation performance. And simultaneously, the market requirements of the new energy passenger car field on large batch, low cost and high reliability are also met.
The wiring board is composed of a wiring board body, an insert, an insulating material, and a fastening screw. The common wiring board generally adopts the die-casting mode, presses the inserts in the wiring board main part, and both combine as an organic whole. Because the motor can dismantle the three-phase lead-out wire repeatedly in equipment and factory test, the dismantlement number of times has had the risk that can have the smooth silk of inserts screw hole to make the wiring board inefficacy (unable fixed three-phase lead-out wire). When the threaded holes of the inserts are threaded, the wiring boards can only be integrally replaced, so that time is wasted, and cost is increased.
Therefore, how to provide a terminal board of a permanent magnet motor to reduce cost is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a terminal board of a permanent magnet motor to reduce cost. Another object of the present invention is to provide a permanent magnet motor having the above-described terminal block and an automobile having the permanent magnet motor.
In order to achieve the purpose, the invention provides the following technical scheme:
a wiring board of a permanent magnet motor comprises a wiring board main body and an insert, wherein the wiring board main body is detachably connected with the insert.
Preferably, in the terminal plate of the permanent magnet motor, the terminal plate main body is provided with an insert hole, and the insert is limited in the insert hole by an axial limiting member.
Preferably, in the above-described terminal block of a permanent magnet motor, the insert includes:
an upper section having a threaded bore;
the lower section is used for being in circumferential limiting connection with the wiring board main body, the upper section is connected with the lower section, a step surface is formed at the connection part, and the step surface is used for limiting the insert to move towards the smaller end of the step surface.
Preferably, in the above-mentioned terminal board of the permanent magnet motor, a circumferential width of the upper section is smaller than a circumferential width of the lower section, and one end of the lower section, which is far away from the upper section, abuts against an insulating member for insulating the insert and the motor housing.
Preferably, in the terminal plate of the permanent magnet motor, the upper section is a cylindrical section, and the lower section is a polygonal cylindrical section.
Preferably, in the above-mentioned wiring board for a permanent magnet motor, a protrusion is provided on a top surface of the wiring board main body, and the protrusion isolates adjacent three-phase outgoing lines.
Preferably, in the above-mentioned wiring board of the permanent magnet motor, the material of the wiring board main body is DMC, PE or epoxy glass plate; the insert is a metal piece.
A permanent magnet machine comprising a terminal plate, wherein the terminal plate is any one of the terminal plates described above.
An automobile comprises a permanent magnet motor, wherein the permanent magnet motor is the permanent magnet motor.
According to the technical scheme, the wiring board of the permanent magnet motor comprises a wiring board main body and the embedded piece, wherein the wiring board main body is detachably connected with the embedded piece. Set up wiring board main part and inserts into the part of two components of a whole that can function independently in this application to can dismantle the connection, can realize that the inserts freely dismantles and changes, in order to avoid extravagant increase cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a terminal plate of a permanent magnet motor disclosed in an embodiment of the present invention.
Detailed Description
In view of the above, the core of the present invention is to disclose a terminal board of a permanent magnet motor to reduce the cost. The invention also discloses a permanent magnet motor with the wiring board and an automobile with the permanent magnet motor.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the invention discloses a wiring board of a permanent magnet motor, which comprises a wiring board main body 1 and an insert 2, wherein the wiring board main body 1 and the insert 2 are detachably connected. Set up wiring board main part 1 and inserts 2 into the part of two components of a whole that can function independently in this application to can dismantle the connection, can realize inserts 2 and freely dismantle and change, in order to avoid extravagant increase cost.
In a specific embodiment, the terminal block body 1 in the present application has an insert hole, and the insert 2 is limited in the insert hole by an axial limiting member. Specifically, the insert 2 has the same shape and size with the insert hole, so that the insert 2 is matched with the insert hole. While the insert 2 is shown as being attached to the terminal block body 1, other detachable attachment means, such as bolting or gluing, may be used in practice, as long as the attachment means that allows the terminal block body 1 to be detached from and secured to the insert 2 is within the scope of protection of the detachable attachment.
In a preferred embodiment, the insert 2 described above comprises: an upper section and a lower section, wherein the upper section is provided with a threaded hole, the lower section is used for being connected with the wiring board main body 1 in a circumferential limiting way, the upper section is connected with the lower end, and a step surface is formed at the connection position. The insert 2 is restricted from moving to the smaller end of the step surface by the step surface. The screw hole of the upper section in this application is used for screw-fitting with the outgoing line fixing screw 5, and therefore, the size of this screw hole needs to be set according to the outgoing line fixing screw 5. The specific shape of the insert 2 is disclosed, the insert 2 can be directly arranged into a right cylinder in practice and detachably connected to the wiring board main body 1 through a bolt, and the shape and the size of the insert 2 can be set according to different requirements and are all in a protection range.
Specifically, the circumferential width of the upper section can be set to be smaller than the circumferential width of the lower section, so that the insert 2 is prevented from moving from the lower section to the upper section along the axial direction, and the limit of the insert 2 in one axial direction is realized. One end of the lower section of the insert 2, which is far away from the upper section, is abutted against the insulating part 3 so as to prevent the insert 2 from moving from the upper section to the lower section along the axial direction, namely, the limit of the insert 2 in the other axial direction is realized. The insert 2 is limited in the insert hole in two limiting modes. Adopt the spacing mode in inserts 2 and inserts hole to realize relative fixation between them in this application, reduced the use of connecting piece, convenient dismantlement to it is not fragile, thereby further the cost is reduced. The insulating part is used for insulating the insert 2 and the motor shell, the insulating part is of an existing structure, the insert 2 and the wiring board body 1 are fixed relatively by the aid of the existing structure of the wiring board, use of parts can be reduced, and cost is further reduced. The material and thickness of the insulating member 3 are not limited, and the shape thereof matches the wiring board main body 1 as long as the insulation is satisfied. Insulator 3 in this application is connected as an organic wholely through wiring board fixing bolt 4 and wiring board main part 1, and is concrete, wiring board fixing bolt 4 and inserts 2 interval arrangement.
When the insert 2 needs to be disassembled, the wiring board fixing bolt 4 is unscrewed, the insulating part 3 is released, and then the insert 2 is pulled out from the lower section; during installation, one end of the upper section of the insert 2 is inserted into the insert hole through the lower section of the insert hole, the step surface of the insert 2 is abutted to the step of the insert hole for limitation, and then the insulating part 3 is fixed on the lower section of the insert 2 through the wiring board fixing bolt 4, so that the insert 2 and the insert hole are fixed relatively.
The upper segment in this application is the cylinder section, and the hypomere is many prismatic sections. Specifically, the diameter of the cylindrical section is less than the circumferential width of the multi-prism section, and the circumferential width in the application is the maximum size of the circumferential cross section of the upper section or the lower section. Taking the lower segment as a regular pentagonal prism as an example, the circumferential width of the lower segment is the perpendicular distance from one vertex to the opposite surface. So set up to guarantee to form the step face between hypomere and the upper segment, prevent that inserts 2 from moving to the less one end in the step face. In practice, the shape and size of the upper section and the lower section are not particularly limited, as long as the structure capable of satisfying the axial limit is within the protection range. The lower section is set to be of a prism structure, so that the insert 2 is prevented from rotating along the circumferential direction, and the stability of the installation of the insert 2 is further guaranteed.
The top surface of the wiring board main body 1 in the present application has a projection for isolating adjacent three-phase outgoing lines. The size and shape of the bump are not particularly limited as long as the adjacent three-phase lead-out wires can be isolated to ensure an electrical gap.
The wiring board body 1 in the present application may be cast, machined or otherwise fabricated, and may be made of DMC, PE or epoxy glass plate, as long as the materials meeting the insulation and strength requirements are within the protection range. The insert 2 is usually formed by machining, and is made of metal materials, such as common metal materials of copper, iron, stainless steel and the like.
In addition, this application still discloses a permanent-magnet machine, including the wiring board, wherein, this wiring board is the wiring board disclosed in the above-mentioned embodiment, therefore, the permanent-magnet machine who has this wiring board also has above-mentioned all technological effects, and the no longer repeated description is given here.
In addition, the application also discloses an automobile which comprises the permanent magnet motor, wherein the permanent magnet motor is the permanent magnet motor disclosed in the embodiment, so that the automobile with the permanent magnet motor also has all the technical effects, and the details are not repeated. The automobile is a new energy passenger car.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The wiring board of the permanent magnet motor comprises a wiring board main body (1) and an insert (2), and is characterized in that the wiring board main body (1) is detachably connected with the insert (2).
2. Terminal block of a permanent magnet machine according to claim 1, characterized in that the terminal block body (1) has an insert hole, in which the insert (2) is retained by an axial stop.
3. Terminal block of a permanent magnet machine according to claim 1, characterized in that the insert (2) comprises:
an upper section having a threaded bore;
the lower section is used for being in circumferential limiting connection with the wiring board main body (1), the upper section is connected with the lower section, a step surface is formed at the connection part, and the step surface is used for limiting the insert (2) to move towards the smaller end of the step surface.
4. Terminal block of a permanent magnet machine according to claim 3, characterized in that the circumferential width of the upper section is smaller than the circumferential width of the lower section, and that the end of the lower section remote from the upper section is against an insulator for insulating the insert (2) from the machine housing.
5. The terminal plate of a permanent magnet electric machine according to claim 3, wherein the upper section is a cylindrical section and the lower section is a multi-prismatic section.
6. The terminal block of a permanent magnet motor according to claim 1, wherein the top surface of the terminal block body (1) has a protrusion that isolates adjacent three-phase lead wires.
7. Terminal block of a permanent magnet machine according to claim 1, characterized in that the material of the terminal block body (1) is DMC, PE or epoxy glass plate; the insert (2) is a metal piece.
8. A permanent magnet machine comprising a terminal block, wherein the terminal block is as claimed in any one of claims 1 to 7.
9. An automobile comprising a permanent magnet machine, wherein the permanent magnet machine is according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666845.7A CN112290721A (en) | 2019-07-23 | 2019-07-23 | Automobile, permanent magnet motor and wiring board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666845.7A CN112290721A (en) | 2019-07-23 | 2019-07-23 | Automobile, permanent magnet motor and wiring board thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112290721A true CN112290721A (en) | 2021-01-29 |
Family
ID=74418765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910666845.7A Pending CN112290721A (en) | 2019-07-23 | 2019-07-23 | Automobile, permanent magnet motor and wiring board thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112290721A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447712A (en) * | 2008-10-08 | 2009-06-03 | 徐荣祖 | Patch board device of motor |
| CN201430491Y (en) * | 2009-06-15 | 2010-03-24 | 永济新时速电机电器有限责任公司 | Anti-tracking lead-out wiring board |
| CN202121425U (en) * | 2011-05-26 | 2012-01-18 | 芜湖瑞诺威汽车电器系统有限公司 | Motor outgoing line patch board for automobiles |
| CN103973023A (en) * | 2014-05-13 | 2014-08-06 | 珠海格力电器股份有限公司 | Motor sealing outlet plate |
| CN209045799U (en) * | 2018-12-04 | 2019-06-28 | 珠海格力电器股份有限公司 | Wiring board and air conditioning system |
| CN209134207U (en) * | 2018-11-30 | 2019-07-19 | 福建永强力加动力设备有限公司 | A kind of generator terminal plate |
-
2019
- 2019-07-23 CN CN201910666845.7A patent/CN112290721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447712A (en) * | 2008-10-08 | 2009-06-03 | 徐荣祖 | Patch board device of motor |
| CN201430491Y (en) * | 2009-06-15 | 2010-03-24 | 永济新时速电机电器有限责任公司 | Anti-tracking lead-out wiring board |
| CN202121425U (en) * | 2011-05-26 | 2012-01-18 | 芜湖瑞诺威汽车电器系统有限公司 | Motor outgoing line patch board for automobiles |
| CN103973023A (en) * | 2014-05-13 | 2014-08-06 | 珠海格力电器股份有限公司 | Motor sealing outlet plate |
| CN209134207U (en) * | 2018-11-30 | 2019-07-19 | 福建永强力加动力设备有限公司 | A kind of generator terminal plate |
| CN209045799U (en) * | 2018-12-04 | 2019-06-28 | 珠海格力电器股份有限公司 | Wiring board and air conditioning system |
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| 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: 20210129 |