TWM507006U - Structure of piezoelectric and magnetic-linked fan - Google Patents

Description

Piezoelectric magnetic linkage type fan structure

The present invention relates to a heat sink device, and more particularly to a piezoelectric magnetic linkage type guide fan structure.

In recent years, due to the rapid development of electronic products, the functions of electronic components have become increasingly powerful, and the volume of electronic components has also been gradually reduced. Therefore, the heat generation of electronic components per unit area is also increasing. The traditional cooling solution uses a heat pipe with a heat sink fin or a temperature equalizing plate, or a heat sink fin with a rotary fan to discharge the generated heat to the outside for heat dissipation.

A heat radiating fin is mounted on a central processing unit (CPU) of the current computer host, and a rotating fan is mounted on the heat sink fin, or a temperature equalizing plate or heat conduction is installed in the central processing unit. After the temperature absorbing plate or the heat conducting block absorbs the heat source, the working fluid inside the heat pipe is transmitted to the other end of the heat pipe for heat dissipation.

Although both the former and the latter have a good heat dissipation effect, the heat dissipation module that uses the heat pipe method to dissipate heat is bulky and easy to occupy space. In general, the space occupied by the rotary fan is relatively large, and the problem of noise after natural use is naturally derived.

Therefore, the main purpose of this creation is to solve the traditional deficiency and avoid the existence of the missing. This creation provides a small, low-noise heat source that can be generated by electronic components. Centralized outflow.

In order to achieve the above purpose, the present invention provides a piezoelectric magnetic interlocking type of guide fan structure for mounting on an electronic component or a heat dissipating component, comprising: a casing and a piezoelectric magnetic linkage group. The piezoelectric magnetic interlocking group is mounted inside the casing and includes a base, an actuating portion, a main blade and at least one interlocking blade. The base has a first set of slots and at least one second set of slots, the actuating portion has a fixed portion and a movable end, and the fixed portion is assembled in the first set of slots The main blade has a free end and a connecting end. The connecting end is engaged with the movable end. The free end is provided with a main magnet. The at least one linking blade has a top end and a bottom end. The bottom end has a bottom end and a bottom end. The end is engaged in the second set of slots, and a linkage magnet is mounted on the top end, and a thin plate is coupled to the top end. When the actuation portion is energized to generate a swing, the main magnet and the interlocking magnet are repelled. The interlocking blades are swung with the main blades, and the introduced fluid is led out from one end of the casing.

In an embodiment of the present invention, the actuating portion is a piezoelectric sheet.

In an embodiment of the present invention, the main blade and the interlocking blade are carbon fiber sheets.

In one embodiment of the present invention, the sheet is a polyester film or a polyester film.

In one embodiment of the present invention, the free end has a perforation to engage the main magnet.

In one embodiment of the present invention, the top end has a perforation for engaging the interlocking magnet such that the interlocking magnet corresponds to the main magnet.

In an embodiment of the present invention, the interlocking magnet is adhesively disposed on one side of the top end and is corresponding to the main magnet.

In an embodiment of the present invention, the first set of slots is concave.

In an embodiment of the present invention, the second set of slots is in a shape of a letter.

In an embodiment of the present invention, the housing has a base, and the base has a plurality of partitions, and the partitions have a mounting area and two openings.

In an embodiment of the present invention, each of the four corners of the base has a columnar support portion, and a hollow air hood is assembled on the support portions to form a plurality of ports between the support portions.

In an embodiment of the present invention, the front end of the air hood has two symmetrical air guiding portions, and an outlet is disposed between the two air guiding portions.

10‧‧‧fan structure

1‧‧‧Piezomagnetic magnetic linkage group

11‧‧‧Base

111‧‧‧The first set of slots

111a‧‧‧through hole

112‧‧‧Second group of slots

12‧‧‧Acoustic Department

121‧‧‧ fixed end

122‧‧‧ active end

13‧‧‧Main blade

131‧‧‧Free end

132‧‧‧Connecting end

133‧‧‧Main magnet

14‧‧‧ linkage blades

141‧‧‧Top

142‧‧‧ bottom

143‧‧‧ linkage magnet

144‧‧‧Sheet

2‧‧‧Shell

21‧‧‧Base

211‧‧ ‧ partition

212‧‧‧Installation area

213‧‧‧ openings

22‧‧‧Support

221‧‧‧ mouth

23‧‧‧wind hood

231‧‧‧Guidance Department

232‧‧‧Export

20‧‧‧ boards

201‧‧‧Electronic parts

202‧‧‧Heat fins

FIG. 1 is a schematic exploded view of a piezoelectric magnetic linkage group of the guide fan structure of the present invention.

Figure 2 is a perspective view showing the appearance of the guide fan structure of the present invention.

FIG. 3 is a perspective view showing the appearance of the guide fan structure of the present invention.

Figure 4 is an exploded perspective view of the piezoelectric magnetic linkage group and the housing of the present invention.

FIG. 5 is a side view showing the assembly of the piezoelectric magnetic linkage group and the housing of the present invention.

Fig. 6 is a schematic view showing the oscillation of the piezoelectric magnetic interlocking group of the present invention.

Fig. 7 is a schematic view showing the state of use of the guide fan structure of the present invention.

The technical content and detailed description of this creation are as follows: Please refer to Figure 1~3, which is a schematic diagram of the piezoelectric magnetic linkage group decomposition, appearance stereo and another perspective appearance of the guide fan structure of the present invention. . As shown: the pressure of this creation The electromagnetic force linkage type fan structure 10 comprises: a piezoelectric magnetic linkage group 1 and a casing 2.

The piezoelectric magnetic interlocking group 1 includes a base 11, an actuating portion 12, a main blade 13 and at least one interlocking blade 14. The base 11 has a first set of slots 111 in a concave shape and a second set of slots 112 in a shape. The first set of slots 111 and the second set of slots 112 are used for assembly actuation. The portion 12 and at least one of the blades 14 are interlocked. The actuator 12 is a piezoelectric actuator (piezoelectric sheet) having a fixed end 121 and a movable end 122. The fixed end 121 is coupled to one of the two through a locking, adhesive or clamping manner. In the first set of slots 111, the first set of slots 111 are formed with two oppositely-shaped through holes 111a. The main blade 13 is a carbon fiber board having a free end 131 and a connecting end 132. The connecting end 132 is engaged with the movable end 122 of the actuating portion 12, and the main blade 13 is further included at the free end. A main magnet 133 is mounted on the 131, and the free end 131 has a through hole (not shown) for engaging the main magnet 133. The at least one interlocking blade 14 is a carbon fiber board having a top end 141 and a bottom end 142. The bottom end 122 is engaged in the second set of slots 112, and a linkage is disposed on the top end 141 of the linking blade 14. a magnet 143, wherein the top end 141 has a through hole (not shown) for engaging the interlocking magnet 143, so that the interlocking magnet 143 corresponds to the main magnet 133, or directly bonds the interlocking magnet 143 to the top end 141. The main magnet 133 is placed on the side. Further, a thin plate (Mylar) 144 is bonded to the top end 141 of the interlocking blade 14, and the thin plate 144 is a polyester film or a polyester film.

The housing 2 has a base 21, and the base 21 has a plurality of partitions 211. The partitions 211 have a mounting area 212 and two openings 213 therebetween. Each of the four corners of the base 21 has a columnar support portion 22, and a hollow air hood 23 is assembled on the support portions 22 to form a through port 221 between the support portions 22, the guide Windshield 23 The end has two symmetrical air guiding portions 231, and an outlet 232 is provided between the two air guiding portions 231 to provide a fluid output.

Please refer to FIG. 4 and FIG. 5 , which are schematic views of the decomposition and assembly of the piezoelectric magnetic linkage group and the housing of the present invention. As shown in the figure, when the piezoelectric magnetic interlocking group 1 and the casing 2 of the driving fan structure 10 are assembled, the actuating portion 12, the main blade 13 and the linkages of the piezoelectric magnetic linkage group 1 are linked. After the blade 14 passes through the mounting area 212, the base 11 of the piezoelectric magnetic interlocking group 1 is mounted on the mounting area 212, and the actuating part 12, the main blade 13, the linking blades 14 and the The thin plate 144 is located inside the support portion 22 and the air guiding cover 23 to form a piezoelectric magnetic interlocking type of fan structure, and can dissipate heat from electronic components on a circuit board (not shown).

Please refer to FIG. 5 and FIG. 6 , which are schematic diagrams of the assembly and measurement of the piezoelectric magnetic linkage group and the housing of the present invention and the oscillation of the piezoelectric magnetic linkage group. As shown, the actuating portion 12 is a piezoelectric material element, such as a piezoelectric patch. Using the inverse piezoelectric effect of the piezoelectric material element, that is, when an electric field (voltage) is applied to the surface of the piezoelectric material, the electric dipole moment is elongated due to the electric field. At this time, the piezoelectric material is Resistance to change, it will elongate in the direction of the electric field, converting electrical energy into mechanical energy. Therefore, the actuating portion 12 is powered by an alternating current power source and converts the alternating current power source into a mechanical energy according to the inverse piezoelectric effect described above to generate mechanical actuation.

After installation, the main magnet 133 on the main blade 13 and the interlocking magnet 143 on the interlocking blade 14 are correspondingly disposed in such a manner that two adjacent magnetic poles repel each other. In this embodiment, it is assumed that the polarity of the main magnet 133 is N pole on the left and S pole on the right. Therefore, the polarity of the interlocking magnet 143 on the left side is the S pole on the left and the N pole on the right, and the polarity of the interlocking magnet 143 on the right side is the S pole on the left and the N pole on the right.

In the arrangement relationship between the main magnet 133 and the interlocking magnets 143, the actuating portion 12 (piezoelectric piece) is powered by the alternating current power source, mechanically actuated, and further, the actuating portion 12 is fixed. The end 121 is coupled to the base 11, so that when the AC power source supplies a voltage difference across the piezoelectric piece, the piezoelectric piece is bent to the left or to the right, and the piezoelectric piece It will continue to oscillate as the continuity of the AC voltage changes. When the main blades 13 drive the interlocking blades 14 to swing, the inside of the casing 2 is caused to flow, and after the fluid enters from the two openings 213 on the base 21 and the openings 221 formed by the supporting portions 22, The outlet 232 of the air guiding hood 23 is output.

Please refer to FIG. 7 , which is a schematic diagram of the use state of the guide fan structure of the present invention. As shown in the figure, the guide fan structure 10 of the present invention can be mounted on the electronic component 201 of the circuit board 20 or mounted on the heat dissipation fins 202 or the heat conducting block above the electronic component 201.

When the piezoelectric magnetic interlocking group 1 of the conductive fan structure 10 is swung, the heat source generated by the electronic component 201, or the heat source absorbed by the heat radiating fin 202 or the heat conducting block, is provided by the two openings 213 on the base 21 and the supports. After the opening 221 formed by the portion 22 enters, the outlet 232 of the air guiding cover 23 is outputted to achieve heat dissipation for the electronic component 201.

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equal changes and modifications made by the patent application scope of this creation are covered by the scope of the creation patent.

10‧‧‧fan structure

1‧‧‧Piezomagnetic magnetic linkage group

11‧‧‧Base

12‧‧‧Acoustic Department

13‧‧‧Main blade

133‧‧‧Main magnet

14‧‧‧ linkage blades

143‧‧‧ linkage magnet

144‧‧‧Sheet

2‧‧‧Shell

21‧‧‧Base

211‧‧ ‧ partition

212‧‧‧Installation area

213‧‧‧ openings

22‧‧‧Support

221‧‧‧ mouth

23‧‧‧wind hood

231‧‧‧Guidance Department

232‧‧‧Export

Claims (12)

A piezoelectric magnetic interlocking type of fan structure for mounting on an electronic component or a heat dissipating component, comprising: a casing; a piezoelectric magnetic linkage group installed inside the casing, comprising: a base; The upper portion has a first set of slots and at least one of the second set of slots; the movable portion has a fixed portion and a movable end, the fixed portion is assembled in the first set of slots; a blade having a free end and a connecting end, the connecting end being engaged with the movable end, wherein the free end is provided with a main magnet; at least one of the linking blades has a top end and a bottom end, the bottom The end system is engaged in the second set of slots, and a linkage magnet is mounted on the top end, and a thin plate is coupled to the top end; wherein, when the actuator is energized to generate a swing, the main magnet and the interlocking magnet are repelled. Let the interlocking blades oscillate with the main blades, and the introduced fluid is led out from one end of the casing. The guide fan structure according to claim 1, wherein the actuating portion is a piezoelectric piece. The guide fan structure of claim 2, wherein the main blade and the interlocking blade are carbon fiber plates. The guide fan structure of claim 3, wherein the sheet is a polyester film or a polyester film. The guide fan structure of claim 1, wherein the free end has a through hole for engaging the main magnet. The guide fan structure of claim 1, wherein the top end has a through hole for engaging the interlocking magnet so that the interlocking magnet corresponds to the main magnet. The guide fan structure according to claim 1, wherein the interlocking magnet is adhesively disposed on one side of the top end and is corresponding to the main magnet. The guide fan structure of claim 1, wherein the first set of slots is concave. The guide fan structure of claim 1, wherein the second set of slots is in a shape of a letter. The guide fan structure of claim 1, wherein the housing has a base, and the base has a plurality of partitions, and the partitions have a mounting area and two openings. The guide fan structure of claim 10, wherein each of the four corners of the base has a columnar support portion, and a plurality of hollow air hoods are assembled on the support portions to make the support portions A plurality of ports are formed between them. The guide fan structure of claim 11, wherein the front end of the air hood has two symmetrical air guiding portions, and the two air guiding portions have an outlet therebetween.