CN107666213A

CN107666213A - The heat transfer mechanism of motor secondary side

Info

Publication number: CN107666213A
Application number: CN201610597017.9A
Authority: CN
Inventors: 王宥骅; 林建志; 邓朝钦; 纪政德
Original assignee: Hiwin Mikrosystem Corp
Current assignee: Hiwin Mikrosystem Corp; Hiwin Technologies Corp
Priority date: 2016-07-27
Filing date: 2016-07-27
Publication date: 2018-02-06

Abstract

The present invention provides a kind of heat transfer mechanism of motor secondary side, including：One pedestal；One stator elements, directly or indirectly on the pedestal；And an at least heat transfer piece, there is a metal body, the pedestal is directly or indirectly amplexiformed with side, and the stator elements are directly or indirectly amplexiformed with opposite side；And a runner, form the opening with ft connection inside the metal body, and in the both ends of the metal body.The present invention is suitable for being arranged between motor secondary side and its pedestal depended on, there is the metal body of good heat conductive ability by heat transfer piece, make in the element that heat energy abutted from the week side of boss conduction to metal body, the interelement for making metal body and being abutted assembles construction with good, makes it upper more convenient in manufacture assembling.

Description

The heat transfer mechanism of motor secondary side

Technical field

The present invention is relevant with motor, especially with regard to a kind of heat-transfer machine being suitable to the motor secondary side of the common structure of motor stator Structure.

Background technology

With body in treating that radiating component the week side of boss forms runner, while the fluid is flowed in runner, by heat energy in addition From the phase is known public known technology, such as shown in Fig. 1 and Fig. 2, it is in linear motor two to reach radiating effect On the seat 1 of secondary side, groove 3 is set along the both sides of magnet 2, and inlay card is fixed in each groove 3 respectively by two bodys 4, in Runner is formed on seat 1, external fluid is obtained in wherein constant flow, with purpose of its radiating then, meanwhile, and pass through groove 3 Notch, the heat energy outside notch is set to be radiated on body 4 and dissipate.

Above-mentioned known technology, heat energy is conducted to the seat 1 directly contacted by interlocking with body 4 though disclosing, passed through simultaneously The notch of groove 3 allows the radiation of heat energy, but because seat 1 is generally with as made by the materials such as epoxy resin or polyurethane, not With good heat-conducting effect, also it is difficult to cool though being not easy heating, causes body 4 to be only capable of carrying the subrange directly contacted For some conducting effects, for being monolithically fabricated of linear motor secondary side, it is difficult to reach good heat radiation function, together When, it makes groove 3 be shaped in the technological means of seat 1, for not having the component of grooves such as being, i.e., without appropriate combination Construction is available for the setting of each body 4, in also non-facility in the application of industry.

The content of the invention

Therefore, it is a primary object of the present invention to provide a kind of heat transfer mechanism of motor secondary side, it is suitable for being arranged at horse Up between secondary side and its pedestal depended on, and there is by heat transfer piece the metal body of good heat conductive ability, make heat energy from Conduction is to the metal body in the element that the week side of boss is abutted, and the interelement for making the metal body and being abutted has good group With construction, make it upper more convenient in manufacture assembling.

To reach above-mentioned purpose, the present invention uses following technical scheme：

A kind of heat transfer mechanism of motor secondary side, between stator elements and its pedestal depended on, provided with an at least heat transfer piece, And make the heat transfer piece adjacent with the stator elements and the pedestal respectively, heat energy is conducted into the heat transfer piece according to this.

Wherein, the heat transfer piece is that difference is directly or indirectly with a first side of its metal body and a second side Amplexiformed with the stator elements and the pedestal.

Meanwhile conduction to the heat energy of the metal body is rapidly taken away to carry, the heat transfer piece is also included One is arranged at the runner inside the metal body, the passage flowed with confession external fluid, and makes the runner in the metal body Both ends form the opening with ft connection respectively, flowing into and discharging for fluid.

Furthermore further to improve the ability of heat transfer, the metal body can be made direct with first side and one the 3rd side Or the both sides with the stator elements are amplexiformed indirectly, by the increase of contact area, to improve the conduction of heat energy.

In addition, being transferred to reduce heat energy via conduction on the pedestal, it is pad to be able to the heat transfer piece, is located in the stator Between part and the pedestal, the stator elements is separated to each other with the pedestal, form gap, to lower the transmission of heat energy, more Ensure that the pedestal is not acted on by heat energy, to ensure the stability of its size.

Hereat, to be stabilized the combination between the stator elements and the pedestal, the quantity of the heat transfer piece can be increased to two, And it is separated by and is divided between the both sides of the stator elements and the pedestal with coming.

For further, the heat transfer piece is to be integrally formed article through what is extruded with aluminum or aluminum alloy, in specific On construction, the metal body also includes an alar part alongside one another and the whole body portion, and makes the alar part between the stator elements with being somebody's turn to do Between pedestal, and the runner is set to be located in the body portion.

Wherein, the thickness of the alar part is small compared with the thickness in the body portion, avoids excessively increasing the group of the stator elements and the pedestal Height is closed, while allows the runner that there is larger internal diameter, and can significantly be increased in the case of excessively whole height is not increased Add the internal diameter of the runner, to improve fluid flow, accelerate radiating.

Brief description of the drawings

Fig. 1 is the top view of known technology.

Fig. 2 is the front view of known technology.

Fig. 3 is the exploded view of one embodiment of the invention.

Fig. 4 is the constitutional diagram of one embodiment of the invention.

Fig. 5 is the side view of one embodiment of the invention.

Fig. 6 is the sectional view of one embodiment of the invention 6-6 hatchings along Fig. 4.

Fig. 7 is the sectional view of one embodiment of the invention 7-7 hatchings along Fig. 4.

Embodiment

First, refer to shown in Fig. 3, the heat transfer mechanism of the motor secondary side provided in a preferred embodiment of the present invention 10, it mainly includes pedestal 20, stator elements 30, two heat transfer pieces 40 and connector 50.

Pedestal 20 is that the confession set for stator elements 30 sets element, can be independent pedestal, the platform of precision processing machine, Or even the unconfined necessity of other components person, but be easy to illustrate, only lifted in the present embodiment with plate-like independent pedestal For the example illustrated.

Stator elements 30 are the secondary side member of general motor, in the present embodiment be by taking the stator of linear motor as an example, and Contour shape with a rectangular tabular, as its specific detailed technology content, belong to known technology disclosed category, When necessity without superfluous words.

Each heat transfer piece 40 is with metal materials such as aluminum or aluminum alloy, through extruding and integrally formed elongate body, on construction Metal body 41, the runner 42 inside metal body and majority is then provided with to provide in the perforation on metal body 41 43。

Specifically, metal body 41 has appropriate length along linear extension, and has body portion 411 and alar part 412, wherein, body portion 411 forms along long axis direction extension, and alar part 412 is based in body portion 411 perpendicular to the side of long axis direction, And the thickness of alar part 412 is set to be less than the thickness in body portion 411；

Runner 42 is located in body portion 411, and extends along the major axis of metal body 41 and form opening respectively in its both ends；

Each perforation 43 provides on alar part 412 respectively equally spaced from each otherly.

Connector 50 has the joint 52 that body 51 and two is divided into the both ends of body 51.

Continue and refer to shown in Fig. 4 to Fig. 7, the heat transfer mechanism 10 of motor secondary side is in assembling, making each metal body 41 It is parallel to each other, and in a manner of alar part 412 is corresponding in opposite directions, the major axis both sides of the stator elements that are placed in 30, and make on alar part 412 The first end face 413 of side is amplexiformed on the bottom side end face of stator elements 30, and is made vertical with first end face 413 positioned at body portion 411 Amplexiform on the end face of the major axis side of stator elements 30 the 3rd adjacent end face 414；Meanwhile make under alar part 412 and body portion 411 The second end face 415 of side is amplexiformed on pedestal 20, so as to be able to be separated pedestal 20 and stator elements 30 by each alar part 412 Come, and form the height gap equal with the thickness of alar part 412, avoid directly contacting between stator elements 30 and pedestal 20；Also, Because the thickness of each alar part 412 is much smaller than the thickness in body portion 411, the overall height of heat transfer mechanism 10 for making motor secondary side is not Degree has excessive increase compared to known technology, it can be ensured that its adaptability between existing technology, meanwhile, there is larger thickness Body portion 411, then can make the internal diameter of runner 42 increase, can flow with improve fluid.

Connector 50 is to be connected to each joint 52 on each metal body 41, is able to body 51 and connects each runner 42, To form the loop for being available for flow of fluid.

Furthermore in fixed technological means, each perforation 43 can be passed respectively by the bolt of majority, and distinguish with both ends Combined with pedestal 20 and stator elements 30, make stator elements 30 via each heat transfer piece 40 according to this and runner of the suspension frame on pedestal 20 Form can obtain firm positioning.

With this, the heat transfer mechanism 10 of motor secondary side can pass through the spy between each metal body 41 and stator elements 30 and pedestal 20 Not Jie He runner form, the conduction of heat energy is converged on each metal body 41, then supplied by external fluid in this Constant flow in loop, rapidly takes away outside heat energy, by the gap formed by alar part 412, to remove pedestal 20 and stator Direct heat transfer between part 30, under the reciprocation of these positive and negative additions, when can ensure that the dimensionally stable of of pedestal 20 itself, no Influenceed and deformed by heat energy；Meanwhile for its composed component for simplifying is compared to known technology, with more work(easy for assembly Effect.

The technical principle described above for being presently preferred embodiments of the present invention and its being used, for those skilled in the art For, without departing from the spirit and scope of the present invention, any equivalent change based on the basis of technical solution of the present invention Change, the simply obvious change such as replacement, belong within the scope of the present invention.

Claims

1. the heat transfer mechanism of motor secondary side, it is characterised in that include：

One pedestal；

One stator elements, directly or indirectly on the pedestal；And

An at least heat transfer piece, there is a metal body, directly or indirectly amplexiform the pedestal with side, and with opposite side directly or The stator elements are amplexiformed indirectly；And a runner, inside the metal body, and in the both ends of the metal body formed with it is outer The opening of portion's connection.

2. the heat transfer mechanism of motor secondary side as claimed in claim 1, it is characterised in that the quantity of the heat transfer piece is two It is individual, and be separated by and come.

3. the heat transfer mechanism of motor secondary side as claimed in claim 1 or 2, it is characterised in that the metal body is at least A part is folded between the stator elements and pedestal.

4. the heat transfer mechanism of motor secondary side as claimed in claim 3, it is characterised in that at least one of the metal body Dividing, which makes the stator elements be separated by with pedestal, comes.

5. the heat transfer mechanism of motor secondary side as claimed in claim 4, it is characterised in that the metal body is with two sides point Do not amplexiform on the two sides of the stator elements.

6. the heat transfer mechanism of motor secondary side as claimed in claim 5, it is characterised in that the metal body has a wing Portion is the metal body by the part being sandwiched between the stator elements and pedestal, and with side and the side of the stator elements Amplexiform；And the whole body portion, the alar part is adjacent to, and amplexiform with side and the opposite side of the stator elements.

7. the heat transfer mechanism of motor secondary side as claimed in claim 6, it is characterised in that the thickness of the alar part is less than described The thickness in body portion.

8. the heat transfer mechanism of motor secondary side as claimed in claim 6, it is characterised in that the runner is located at the body portion In.

9. the heat transfer mechanism of motor secondary side as claimed in claim 1 or 2, it is characterised in that the metal body be aluminium or Aluminium alloy forms through extruding.

10. the heat transfer mechanism of motor secondary side as claimed in claim 1 or 2, it is characterised in that metal body extension and With a length, and make the opening that the runner is formed positioned at the major axis both ends of the metal body.