CN209250421U - Fan motor - Google Patents

Abstract

A kind of fan motor includes: central siphon, circuit board, stator, cable and safeguard structure.Circuit board is arranged around central siphon, and stator also surrounds central siphon setting, and is set on the side of circuit board.Cable is connected to circuit board.Safeguard structure coats circuit board, stator and cable, and wherein safeguard structure has datum level and protrusion, and datum level and protruding parts are in the other side of circuit board, and protrusion cladding cable is connected to the part of circuit board and protrusion protrudes from datum level.

Description

Fan motor

Technical field

The utility model relates to a kind of fan motor and the jigs of manufacture fan motor, in particular to a kind of to have cladding cable The fan motor of the safeguard structure of line and local crowning and the jig of the aforementioned fan motor of manufacture.

Background technique

As industrial technology develops, protection requirements needed for motor configuration are increasingly increased, are especially used for radiation air The fan motor of fan.Achieve the effect that the protection such as waterproof using encapsulating technology mostly at present.However, existing encapsulating technology is Fan motor is shaped in an encapsulating processing procedure simultaneously together with fan outline border.If to modify to fan motor, need The structure of fan outline border is changed together, so that whole structure design is easy to be limited to, and is difficult to further to fan horse The design special up to progress.

In addition, in general, being mostly the electric wire with polyvinyl chloride (PVC) for insulating materials in cable, related safety is advised Model do not limit electric wire and have to be waterproof material, and existing design is not connected to cable the contact of circuit board (manifesting the position of internal PVC insulated electric conductor) provides the protection of waterproof, thus can not meet American insurance quotient and test institute (Underwriter Laboratories Inc.；UL) the newest relevant safety regulations stipulated.In addition, in existing encapsulating system Whether there is no the circuit boards of method confirmation fan motor to be coated well by plastic material after journey, while can also generate wind Fan outline border is stained with glutinous plastic material and influences beautiful problem.

Utility model content

To solve the above-mentioned problems, some embodiments of the utility model provides a kind of fan motor, includes: central siphon, electricity Road plate, stator, cable and safeguard structure.Circuit board is arranged around central siphon, and stator also surrounds central siphon setting, and is set to circuit On the side of plate.Cable is connected to circuit board.Safeguard structure coats circuit board, stator and cable, and wherein safeguard structure has base Quasi- face and protrusion, datum level and protruding parts are in the other side of circuit board, and protrusion cladding cable is connected to circuit board Part and protrusion protrude from datum level.

In an embodiment, the center of circuit board has through-hole, and the center of stator has through hole, and central siphon passes through through-hole And through hole.Said fans motor also includes outline border, is bound to central siphon, and aforementioned outline border includes: pedestal, frame, hollow convex column And multiple stator blades.Frame is arranged around pedestal.Hollow convex column is formed in the center of pedestal, to be bonded to central siphon.Stator blade surrounds It is arranged in pedestal, and connects pedestal and frame.Outline border also has structure for arranging wires, and structure for arranging wires is located on one of stator blade, And the groove of structure for arranging wires is to accommodate the cable for being connected to circuit board.

Some embodiments of the utility model provides a kind of jig for manufacturing fan motor, includes: pedestal, lid and axis Component.Lid is set on pedestal, and wherein lid has recessed portion.Middle axle is set between pedestal and lid, and with bottom Seat, lid form accommodating space, wherein aforementioned accommodating space accommodates central siphon, circuit board, stator and cable, to manufacture fan horse It reaches, and aforementioned recessed portion corresponds to cable.

In an embodiment, the depressed area of lid is in lid on the surface of pedestal.Lid also has groove, also position In lid on the surface of pedestal.Pedestal, lid and middle axle are removably to combine respectively.Pedestal and lid Between there is hole, and aforementioned recessed portion is adjacent to aforementioned hole.

For the above and other objects, features and advantages of the utility model can be clearer and more comprehensible, it is cited below particularly out preferably Embodiment, and cooperate Figure of description, it is described below in detail.

Detailed description of the invention

Fig. 1 is the bottom view of the fan motor of an embodiment of the present invention.

Fig. 2 is the diagrammatic cross-section of the radiator fan of an embodiment of the present invention.

Fig. 3 A is the stereoscopic schematic diagram of the outline border of an embodiment of the present invention.

Fig. 3 B is the stereoscopic schematic diagram that the outline border of Fig. 3 A is observed by the other side.

Fig. 4 is the stereoscopic schematic diagram of the jig of an embodiment of the present invention.

Fig. 5 is the diagrammatic cross-section of the jig and fan motor of Fig. 4 after forming safeguard structure.

Description of symbols:

1: radiator fan

10: fan motor

11: central siphon

111: bearing

12: circuit board

121: through-hole

122: capacitor

13: stator

131: through hole

133: magnet assembly

14: cable

15: safeguard structure

151: protrusion

152: datum level

16: outline border

160: frame

161: hollow convex column

162: pedestal

163: structure for arranging wires

1631: groove

164: stator blade

165: notch

17: shaft

18: wheel hub

19: impeller

191: flabellum

20: jig

20A: hole

21: pedestal

22: lid

221: recessed portion

222: groove

223: surface

23: middle axle

M: central axis

S: accommodating space

Specific embodiment

Illustrate the fan motor of the utility model embodiment below and manufactures the jig of fan motor.However, can be easily Solution the utility model embodiment provides multiple suitable utility model concepts and may be implemented in wide variety of specific background.Institute is public The specific embodiment opened is merely to illustrate with ad hoc approach using the utility model, not to limit to the model of the utility model It encloses.

Unless otherwise defined, whole terms (including technology and scientific words) as used herein have and the displosure this field The normally understood identical meanings of those of ordinary skill institute.It is appreciated that these terms, such as determines in usually used dictionary The term of justice should be interpreted to the consistent meaning of background or context with the relevant technologies and the disclosure, without Ying Yiyi Idealization or excessively formal mode are interpreted, unless especially definition herein.

Please also refer to the bottom view for the fan motor 10 that Fig. 1,2, Fig. 1 are an embodiment of the present invention, Fig. 2 is that this is practical The diagrammatic cross-section of the radiator fan 1 of a novel embodiment.As shown in Fig. 2, in the present embodiment, radiator fan 1 includes fan Motor 10, impeller 19 and outline border 16, fan motor 10 are linked to impeller 19 and impeller 19 are driven to rotate.Fan motor 10 is main Include central siphon 11, circuit board 12, stator 13, cable 14 and safeguard structure 15.Impeller 19 then includes wheel hub 18, multiple flabellums 191 And shaft 17, plurality of flabellum 191 are located on the outer peripheral edge of wheel hub 18, one end of shaft 17 is set to 18 inner central of wheel hub Place, and fan motor 10 is linked to shaft 17 to drive impeller 19 to rotate.Central siphon 11 is hollow tube body, can be by metal material system At, and correspond to the shaft 17 of fan motor 10 in central siphon 11 with a bearing 111, that is, shaft 17 is set to the axis of central siphon 11 It holds in 111.Circuit board 12 and stator 13 are arranged around central siphon 11, and wherein stator 13 is set on circuit board 12, and may include line (not shown) and magnet assembly 133 are enclosed, is rotated to drive shaft 17.The center of circuit board 12 has through-hole 121, stator 13 Center has through hole 131, and central siphon 11 passes through through-hole 121 and through hole 131.Comprising electrically connecting with stator 13 on circuit board 12 The various electronic building bricks connect, such as capacitor 122 (Fig. 1) etc., to control the operation of stator 13.In addition, cable 14 is connected to circuit Plate 12, to transmit the electric signal other than fan motor 10 to circuit board 12.

The utility model avoids internal component due to contact extraneous aqueous vapor to protect the component inside fan motor 10 It corrodes or is damaged because of external force collision, in formation safeguard structure 15 on fan motor 10 to coat circuit board 12, stator 13 With cable 14, wherein safeguard structure 15 can be plastic material, be formed in electricity in a manner of in-molded (insert molding) Except road plate 12, stator 13, and coat the part that cable 14 is connect with circuit board 12.About the system for forming safeguard structure 15 Journey carries out further description below in conjunction with Fig. 5.

It should be noted that safeguard structure 15, which has, to be located on side of the circuit board 12 far from stator 13 in structure Protrusion 151 (that is, circuit board 12 is located between stator 13 and the protrusion 151 of safeguard structure 15), and be similarly positioned in electricity Datum level 152 on side of the road plate 12 far from stator 13.Protrusion 151 protrudes from datum level 152, that is, safeguard structure 15 Protrusion 151 and the position of datum level 152 in the Z-axis direction be not identical.In other words, when being observed by X-direction, protrusion 151 position in the Z-axis direction can be lower than the position of datum level 152 in the Z-axis direction.Protrusion 151 coats cable 14 and connects To the part of circuit board 12.By the design of protrusion 151, cable 14 can be connected to the part of circuit board 12 by the anti-of waterproof Protection structure 15 completely coats, it can be achieved that further protection effect, and meets American insurance quotient to test institute (UL) ordered Newest safety standard about fan motor.In the present embodiment, since the volume of the capacitor 122 on circuit board 12 is larger, Therefore when carrying out encapsulating processing procedure, the thickness of control glue as far as possible should not be too thick and enables capacitor completely by glue (safeguard structure 15) institute Cladding, and it is excessive to avoid the safeguard structure 15 and the difference in height of datum level 152 at 122 top of cladding capacitor to control the thickness of glue.

For example, the fan motor 10 of the utility model can be applied in the radiator fan 1 of electronic device, apoplexy Fan motor 10 can drive the impeller 19 of radiator fan 1 to rotate, to achieve the effect that heat dissipation.It should be noted, however, that this is practical new The fan motor 10 of type is not limited to be applied in radiator fan 1, the structure of aforementioned fan motor 10 be equally applicable for it is any its In the device that he is suitble to, rotated with any component being drivingly connected to stator 13.

A, 3B referring to figure 3., Fig. 3 A are the stereoscopic schematic diagram of the outline border 16 of an embodiment of the present invention, and Fig. 3 B is Fig. 3 A The stereoscopic schematic diagram observed by the other side of outline border 16.Fan motor 10 be first via encapsulating processing procedure with formed safeguard structure 15 it Afterwards, then by fan motor 10 with outline border 16 it engages.Compared to current general encapsulating technology by fan motor in single encapsulating system Outline border is shaped and is connected to simultaneously in journey, and engagement fan motor 10 described in the present embodiment and the method for outline border 16 can confirm protection Structure 15 has completely coated the component inside fan motor 10, it is ensured that internal electronic building brick is fully protected.It keeps away simultaneously Exempt from outline border and be stained in encapsulating processing procedure by plastic material glutinous, takes into account beautiful demand.

As shown in Figure 3A, outline border 16 includes frame 160, hollow convex column 161, pedestal 162, structure for arranging wires 163 (with a ditch Slot 1631) and multiple stator blades 164, wherein outline border 16 is whole to be made of metal material.Frame 160 surrounds pedestal 162, hollow convex Column 161 is formed on pedestal 162, and the central siphon 11 (Fig. 1,2) to provide fan motor 10 is disposed therein.Therefore, hollow convex The central point of column 161 and central siphon 11 is located on central axis M, so that outline border 16 is accurately engaged with fan motor 10.Stator blade 164 Frame 160 and pedestal 162 are connected, wherein stator blade 164, also can be in radiator fan other than it can provide the mechanical strength of outline border 16 User is protected when effect, avoids user injured because of the flabellum in accidentally touching radiator fan rotation.It should be understood that in addition to figure Other than constructing shown in 3A, 3B, stator blade 164 can also have other any suitable constructions, as long as offer intensity can be had both simultaneously With the function of protection user.

It should be noted that the top Fig. 3 B is-Z since Fig. 3 B is by 16 other side of the outline border observation relative to Fig. 3 A Direction (opposite with Fig. 3 A).As shown in Figure 3B, structure for arranging wires 163 is set on one of aforementioned stator blade 164, and lineation knot The groove 1631 of structure 163 is connected to the cable 14 of circuit board 12 to accommodate.It is bonded on outline border 16 (i.e. by fan motor 10 Central siphon 11 is accordingly bonded to hollow convex column 161) after, cable 14 can be by the notch 165 of pedestal 162, along groove 1631 Extend and connected to outside.By the design of groove 1631, cable 14 can be accommodated in the outline border 16 of metal material, pass through gold The outline border 16 for belonging to material protects cable 14, so that cable 14 is less affected by the influence of external force and is damaged, in turn results in fan motor 10 failures.In order to which cable 14 to be placed in groove 1631, need by 12 lower section of circuit board to lead cable 14 at a particular angle It leads in groove 1631.

Referring to figure 4., Fig. 4 is the three-dimensional signal of the jig 20 of the manufacture fan motor 10 of an embodiment of the present invention Figure.As shown in figure 4, jig 20 includes pedestal 21, lid 22 and middle axle 23, wherein in order to clearly show that lid 22 bottom of in face of The structure on the surface 223 of seat 21, therefore be Z-direction above Fig. 4.Jig 20 is for carrying out encapsulating processing procedure, to manufacture above-mentioned wind Motor 10 is fanned, wherein pedestal 21, lid 22 and middle axle 23 removably assemble respectively.In the present embodiment, will Jig 20 is designed to multiple components and removably combines that therefore, the structure to modify fan motor 10 designs, Such as the position that is connect with circuit board 12 of adjustment cable 14 or angle, it is only necessary to which the part for modifying its corresponding jig 20 (such as is covered Body 22), without redesigning entire jig 20, therefore, time and cost needed for modification fan motor 10 can be saved.Combination Jig 20 afterwards between pedestal 21 and lid 22 have hole 20A, to during encapsulating processing procedure accommodate cable 14 (Fig. 1, 2)。

Referring to figure 5., Fig. 5 is the section signal of the jig 20 and fan motor 10 of Fig. 4 after forming safeguard structure 15 Figure.In the present embodiment, pedestal 21, lid 22 and middle axle 23 can form accommodating space S, to accommodate circuit board 12, stator 13 (including coil) and cable 14 (Fig. 1,2), carry out encapsulating processing procedure to manufacture fan motor 10.Firstly, by 23 groups of middle axle It is filled on pedestal 21, accommodating space S is formed, by the circuit board 12, stator 13 and cable 14 of fan motor 10 with middle axle 23 It is put into centered on (i.e. central axis M) in the accommodating space S of jig 20.Then, the plastic material of liquid or flow-like is inserted surplus In remaining accommodating space S, and cover lid 22.Heating processing is then carried out, such as jig 20 is put into heating device and is heated, So that the plastic material being located in accommodating space S is solidified and be formed safeguard structure 15, fan motor 10 is coated, to realize protection fan The effect of the internal component of motor 10.

Lid 22 has in face of the surface 223 of pedestal 21, and the recessed portion 221 in aforementioned surfaces 223, concave Concave portion 221 is recessed relative to aforementioned surfaces 223.Relatively, safeguard structure 15 has the datum level on the surface 223 of contact lid 22 152, and the protrusion 151 of datum level 152 is protruded from, wherein the protrusion 151 of safeguard structure 15 corresponds to the recessed of lid 22 Concave portion 221.It should be noted that in the accommodating space S that plastic material is inserted jig 20, and being covered to form protrusion 151 After upper cover body 22, the liquid level of foregoing plastics material necessarily is greater than datum level 152, reaches and fill up the position of protrusion 151, It is just able to form protrusion 151.

In the present embodiment, lid 22 also has groove 222, is located in aforementioned surfaces 223, and corresponds on circuit board 12 Capacitor 122.Since the volume of capacitor 122 is larger, and need to design corresponding groove 222 on lid 22 come the encapsulating system of progress Journey.It should be noted that after circuit board 12 is put into jig 20, capacitor 122 can be located at when carrying out aforementioned encapsulating processing procedure In the groove 222 of lid 22.

In conclusion the embodiments of the present invention provide it is a kind of with the safeguard structure locally protruded, completely to coat The fan motor of cable and circuit board connecting part can realize further protection effect whereby, and meet American insurance quotient Test the relevant safety regulations ordered by institute (UL).In addition, the embodiments of the present invention also provide a kind of manufacture said fans This jig is designed to that multiple components removably combine by the jig of motor, and the structure to modify fan motor is set Meter, such as adjust position or angle that cable is connect with circuit board, it is only necessary to the part (such as lid) of its corresponding jig is modified, And required time and cost can be saved.

Although the embodiments of the present invention and its advantage have been disclosed as above, it will be appreciated that technology belonging to any Field those of ordinary skill, in the scope of the claims for not departing from the utility model, when can change, substitute with retouching.This Outside, the protection scope of the utility model is not necessarily limited by processing procedure, machine, manufacture, object in specification in the specific embodiment Matter composition, device, method and step, any technical field those of ordinary skill can be from contents disclosed by the utility model Existing or following the developed processing procedure, machine, manufacture, material composition, device, method and step are understood, as long as can be herein Locate to implement more or less the same function in the embodiment or obtain more or less the same result all be used according to the utility model.Therefore, The protection scope of the utility model includes above-mentioned processing procedure, machine, manufacture, material composition, device, method and step.In addition, each Claim constitutes an other embodiment, and the protection scope of the utility model also includes the group of each claim and embodiment It closes.

Claims (4)

1. a kind of fan motor characterized by comprising

One central siphon；

One circuit board is arranged around the central siphon；

One stator is arranged around the central siphon, and is set on the side of the circuit board；

One cable is connected to the circuit board；And

One safeguard structure coats the circuit board, the stator and the cable, which has a datum level and a protrusion, The datum level and the protruding parts are in the other side of the circuit board, and the protrusion coats the portion that the cable is connected to the circuit board Divide and the protrusion protrudes from the datum level.

2. fan motor according to claim 1, which is characterized in that the center of the circuit board has a through-hole, the stator Center have pass through aperture, and the central siphon pass through the through-hole and the through hole.

3. fan motor according to claim 1, which is characterized in that the fan motor is also connected with an outline border, the outline border It is bonded to the central siphon, wherein the outline border includes:

One pedestal；

One frame is arranged around the pedestal；

One hollow convex column is formed in the center of the pedestal, to be bonded to the central siphon；And

Multiple stator blades are arranged around the pedestal, and connect the pedestal and the frame.

4. fan motor according to claim 3, which is characterized in that the outline border also has a structure for arranging wires, the lineation knot Structure is located on one of multiple described stator blades, and a groove of the structure for arranging wires is connected to being somebody's turn to do for the circuit board to accommodate Cable.