CN101098095B

CN101098095B - Fan with cooling device

Info

Publication number: CN101098095B
Application number: CN2006101001026A
Authority: CN
Inventors: 吕佳政; 余政书; 陶鹏举
Original assignee: Delta Electronics Inc
Current assignee: Delta Electronics Inc
Priority date: 2006-06-28
Filing date: 2006-06-28
Publication date: 2010-10-06
Anticipated expiration: 2026-06-28
Also published as: CN101098095A

Abstract

The present invention discloses a fan, which comprises at least one rotor, a housing and at least one terminal seat. The housing accommodates the rotor, and the terminal seat comprises a seat body and at least one guillotine terminal. The seat body is located at the periphery of the housing and has at least one terminal slot. The guillotine terminals are respectively arranged in the terminal slots.

Description

Fan

Technical field

The present invention relates to the method that a kind of terminal base, fan frame and terminal are connected in pedestal, the terminal base, fan frame and the terminal that particularly relate to a kind of hot-swappable (hot swap) are connected in the method for pedestal.

Background technology

Function and the raising of running speed along with electronic system, the heat that it produced also increases relatively, and for keeping the normal operation of electronic system, prior art arrangement one fan is as heat abstractor, by the air-flow forced heat radiation, make electronic system be maintained at normal operating temperature.

Please refer to shown in Figure 1ly, a kind of existing fan 11 is connected to a system 14 (for example motherboard or circuit board) by one group of lead 12, the start to receive power supply and drive signal.Wherein, this group lead 12 is to be connected to this system 14 with welding manner, or will organize the terminal base 13 that lead 12 and has tubular terminal is connected, and is connected to this system 14 by this terminal base 13 again.Yet when these fan 11 faults, above-mentioned connected mode can't be changed when electronic system continues running.For addressing the above problem, as shown in Figure 2, a kind of existing hot-swappable fan 2 can directly be substituted in the system end plug, this hot-plug fan 2 comprises a terminal base 20, it is assembled on the fan frame 21 of this fan 2, and this terminal base 20 comprises the terminal 202 of a pedestal 201 and a plurality of outwards outstanding these pedestal 201 terminal holes 203.When this fan 2 is connected with system end, the displacement that this fan 2 makes progress in fan 2 footpaths by this each terminal 202, and be electrically connected with system end.

Because this each terminal 202 is a raised type terminal radially, can upwards produce displacement in the footpath for making this each terminal 202, this each terminal 202 must be possessed certain elasticity, and limits the thickness and the material of this each terminal 202.And this restriction not only can increase the difficulty that this each terminal 202 inserts this each terminal hole 203, more can improve the possibility of these each terminal 202 fractures, and then reduces packaging qualification rate.

Summary of the invention

Because above-mentioned problem, purpose of the present invention is for providing a kind of fan and terminal base thereof and terminal base formation method, to reduce terminal fracture probability, to increase the terminal bonding strength and increase substantially and produce and packaging qualification rate.

For reaching above-mentioned purpose, the present invention proposes a kind of fan, and this fan comprises at least one rotor, a housing and at least one terminal base.This housing holds this rotor, and this terminal base comprises a pedestal and at least one cutting knife type terminal.This pedestal is positioned at this housing periphery, has at least one terminal groove.This cutting knife type terminal correspondence respectively is arranged in this terminal groove.This cutting knife type terminal is electrically connected with an outside clipping terminal base clamping, and this clipping terminal base has at least one pin and one second pedestal, and this cutting knife type terminal is by this pin and this second pedestal clamping or only by this pin clamping.

The present invention reintroduces a kind of fan, and this fan comprises at least one rotor, a housing and at least one clipping terminal base.This housing holds this rotor, and this clipping terminal base comprises a pedestal and at least one pin.This pedestal is positioned at this housing periphery, has at least one terminal groove.This pin correspondence respectively is arranged in this terminal groove, and the stage casing of this pin or the contact site of front end are the non-radial direction extensions towards this fan.

The present invention proposes a kind of cutting knife type terminal base, and this cutting knife type terminal base comprises a pedestal and at least one cutting knife type terminal.This pedestal has at least one terminal groove.This cutting knife type terminal correspondence respectively is arranged in this terminal groove.

The present invention proposes a kind of cutting knife type terminal base formation method, and a pedestal and at least one cutting knife type terminal of tool one terminal groove is provided.Correspondence is inserted this cutting knife type terminal in this terminal groove, this fixed part of build-in is in this pedestal again, make this cutting knife type terminal to be electrically connected with an outside clipping terminal base clamping, and this clipping terminal base has at least one pin and one second pedestal, and this cutting knife type terminal is by this pin and this second pedestal clamping or only by this pin clamping.

The present invention reintroduces a kind of cutting knife type terminal base formation method, and at least one cutting knife type terminal is provided.Put the appropriate location of this cutting knife type terminal in a mould, in this mould, form a pedestal again, and this cutting knife type terminal is fixed on this pedestal, make this cutting knife type terminal to be electrically connected with an outside clipping terminal base clamping, and this clipping terminal base has at least one pin and one second pedestal, and this cutting knife type terminal is by this pin and this second pedestal clamping or only by this pin clamping.

In sum, because of a kind of fan of the present invention and terminal base and terminal base formation method, by being cutting knife type or clipping, to improve the terminal electrical-contact area, strengthen terminal intensity, avoid terminal to come in contact bad situation and to a certain degree retain strength is provided with its terminal design.Because cutting knife type terminal acting surface of the present invention is different with the plug direction,, therefore can significantly improve the production and the packaging qualification rate of terminal base so the thickness of cutting knife type terminal is unrestricted and intensity is bigger.In addition, because cutting knife type terminal of the present invention is to be plate-like structure, when therefore can being shaped, be embedded in the pedestal at the pedestal of terminal base, thereby can significantly improve bond strength between cutting knife type terminal and the pedestal, and then increase substantially production qualification rate and speed of production.

Description of drawings

Fig. 1 is connected in the schematic diagram of a system for existing fan;

Fig. 2 is the schematic diagram of existing hot-swappable fan and terminal base thereof;

Fig. 3 is the decomposing schematic representation of the fan of a preferred embodiment of the present invention;

Fig. 4 is the schematic diagram of the cutting knife type terminal of a preferred embodiment of the present invention;

Fig. 5 is the flow chart of the terminal base formation method of a preferred embodiment of the present invention; And

Fig. 6 is the flow chart of the terminal base formation method of another preferred embodiment of the present invention.

The component symbol explanation:

11: fan 12: lead

13: terminal base 14: system

2: fan 20: terminal base

201,31,51: pedestal 202: terminal

203: terminal hole 21: housing

3: fan frame 30: terminal base

311: terminal groove 32: cutting knife type terminal

321: body 321a: conducting film

322: signal section 323: fixed part

34: hole slot 35: framework

4: rotor 5: clipping terminal base

52: pin 521: protuberance

6: fan 7: flabellum

8: the S1～S3 of hub portion, S11～S13: step

Embodiment

Hereinafter with reference to correlative type, illustrate that a kind of terminal base, fan frame and terminal according to preferred embodiment of the present invention are connected in the method for pedestal, wherein components identical will be illustrated with identical reference marks.

Please refer to shown in Figure 3ly, comprise fan frame 3, rotor 4 and control device (not icon) according to a fan 6 of preferred embodiment of the present invention.This control device and this rotor 4 are placed in this fan frame 3, and this control device for example is the drive circuit of fan 6, in order to control the start of this rotor 4.This fan 6 for example is a hot-plug fan.This rotor 4 has an at least one flabellum 7 and a hub portion 8, and this flabellum 7 is positioned at this hub portion 8 peripheries.This flabellum 7 can be axial-flow type flabellum, lateral flow type flabellum, flat vanes or curved flabellum.

This fan frame 3 comprises a framework 35 and at least one terminal base 30, and wherein this terminal base 30 is connected in the periphery of this framework 35 and is electrically connected with this control device.This terminal base 30 comprises a pedestal 31 and at least one cutting knife type terminal 32.

This pedestal 31 is connected in the periphery of this framework 35, and has at least one terminal groove 311.This pedestal 31 can be arranged at the optional position of corner, sidewall or this framework 35 of this framework 35.In addition, this pedestal 31 and this framework 35 can be that injection mo(u)lding etc. is one-body molded, also can be mutual assembled formations.This pedestal 31 can cooperate the planform of this framework 35 to be designed to different shapes, and for example these pedestal 31 sections can be tabular, L type or U type etc.The material of this pedestal 31 can be plastics.

These cutting knife type terminal 32 correspondences are arranged in this terminal groove 311, and in the present embodiment, this cutting knife type terminal 32 can be slab construction, bent plate structure, U template structure, L template structure or other folded structure.The bearing of trend of this cutting knife type terminal 32 is preferably with the action direction of this terminal base 30 similar, and so this terminal base 30 can not need to carry out Plug Action under deformation or the only a little deformation at this cutting knife type terminal 32.So, cutting knife type terminal 32 thickness of the present invention can have bigger intensity much larger than existing terminal thickness, so when terminal group was loaded on terminal base, terminal did not have the situation of fracture, and then increase substantially production and packaging qualification rate.

Also have, when these cutting knife type terminal 32 numbers are two or two when above, these terminal groove 311 numbers are preferably and equate with this cutting knife type terminal 32 numbers or more.As shown in Figure 3, this cutting knife type terminal 32 that is arranged at this terminal groove 311 can be flush arrangement, but not as limit, and the size of each cutting knife type terminal 32, height configuration or angle configurations can be identical, also can be different, decide according to actual demand.

As shown in Figure 3, this cutting knife type terminal 32 has at least one body 321, a signal section 322 and a fixed part 323, and this signal section 322 is connected with this control device, these fixed part 323 usefulness so that this cutting knife type terminal 32 be fixed in this pedestal 31.In the present embodiment, this body 321 or this signal section 322 can be electrically connected with this control device via for example at least one lead, and this fixed part 323 can for example be the overhead kick shape.This cutting knife type terminal 32 can place this pedestal 31 shaping dies, and allow this pedestal 31 coat this fixed part 323 at least, and then this cutting knife type terminal 32 is fixed in this terminal groove 311 when this pedestal 31 be shaped.In addition, this cutting knife type terminal 32 also can be embedded in this terminal groove 311, and be fixed in this terminal groove 311 by this fixed part 323 after this pedestal 31 be shaped again.

This body 321 is in order to be electrically connected with a clipping terminal base 5, and to receive the signal of 5 of transmission fan 6 and this clipping terminal bases, aforementioned signal for example is power supply signal, drive signal, alarm signal, status signal etc.This body 321 is electrically connected by these clipping terminal base 5 clampings.This body 321 for example is slab construction, bent plate structure, U template structure, L template structure or other folded structure.

Please be simultaneously with reference to Fig. 3 and Fig. 4, this body 321 can be that conductive material constitutes with this signal section 322, also can be that non-conductive material constitutes.This non-conductive material can be plastics.When this body 321 or this signal section 322 are constituted by non-conductive material, be formed with at least one conducting film 321a on this body 321 or this signal section 322 at least one side end faces (as tabular end face etc.), this conducting film 321a be electrically connected by this signal section 322 or this body 321 that conductive material constituted.This conducting film 321a can be embedded in this body 321 or this signal section 322 in the part, also can only be formed at this body 321 or this signal section 322 surfaces.When this body 321 was constituted by non-conductive material simultaneously with this signal section 322, this conducting film 321a then can form a conductive path or the conductive path more than two simultaneously on this body 321 and this signal section 322.

In addition, the number of this conducting film 321a is two or two when above, each conducting film can only be formed at a side end face of this body 321 or this signal section 322, different end face or part at same end face part at different end face.

In addition, this clipping terminal base 5 is corresponding with this pedestal 31, and has an at least one pin 52 and a pedestal 51, and this pin 52 is placed in this pedestal 51, and with these body 321 corresponding settings, in order to be electrically connected with this body 321.This pin 52 for example is elastic structure, have the structure of the structure of bending, tool protuberance 521 etc., wherein this protuberance 521 preferably towards this inwall or with these pin 52 extended surfaces at angle.This body 321 or this conducting film 321a can be by this pin 52 with these pedestal 51 inwall clampings, also can be only by the clamping together of a plurality of pins 52.Perhaps, can be by adjusting the quantity of this conducting film 321a and the pin 52 that matches, and increase signal conduction quantity, and then can reduce number of terminals significantly, dwindle terminal base volume etc.

This clipping terminal base 5 is can be arranged on an external system housing, an interface card, a motherboard, a circuit board or other external system.In addition, though the foregoing description is arranged at this framework 35 with this terminal base 30, this clipping terminal base 5 is not arranged on this framework 35 to example describes, yet not as limit, can change to this clipping terminal base 5 yet and be arranged at this framework 35, this terminal base 30 is not arranged on this framework 35.The stage casing of the pin 52 of this clipping terminal base 5 or the contact part of front end extend or extend towards the bearing of trend of non-this cutting knife type terminal 32 towards the non-radial direction of fan 6.By the cutting knife type terminal 32 of terminal base 30 and engaging of clipping terminal base 5, can make fan 6 and external system under the situation of not having other fixed structure, have affixed power to a certain degree.

In addition, the framework 35 of this fan 6 or pedestal 31 more can have at least one hole slot 34, this hole slot 34 can be in order to a ccontaining display (figure does not show), wherein this display can be a light-emitting diode (Light Emitting Diode, LED), a laser diode (Laser Diode, LD), an organic electroluminescent element (Organic ElectroLuminescent Device, OELD) or a field emission component (Field Emission Device, FED), this hole slot 34 can be arranged at this framework 35 any positions, also can be arranged on this pedestal 31.

As Fig. 3 and shown in Figure 5, terminal base formation method of the present invention comprises the following steps: that step S1 provides a pedestal 31, and this pedestal 31 has at least one terminal groove 311.Step S2 provides at least one cutting knife type terminal 32.Step S3 inserts these cutting knife type terminal 32 correspondences in this terminal groove 311, and with these fixed part 323 build-ins in this pedestal 31.

In addition, as Fig. 3 and shown in Figure 6, terminal base of the present invention also can change by the following step and form: step S11 provides at least one cutting knife type terminal 32.Step S12 is the appropriate location that this cutting knife type terminal 32 is placed a mould.Step S13 forms this pedestal 31 with injection molded method or extrusion forming process in this mould, this moment, this cutting knife type terminal 32 also was fixed in the terminal groove 311 of this pedestal 31 simultaneously.

In addition, when the terminal base 30 of fan 6 of the present invention changes clipping terminal base 5 into, only need that cutting knife type terminal 32 is replaced with pin 52 and can form this clipping terminal base with preceding method easily.Perhaps, form when the

pedestal

31 or 51, can be one-body molded with this framework 35, also can after forming,

pedestal

31 or 51 fit together with this framework 35 again.The material of aforementioned pedestal can be plastics.

In sum, because of a kind of fan of the present invention and terminal base and terminal base formation method, by being cutting knife type or clipping, to improve the terminal electrical-contact area, strengthen terminal intensity, avoid terminal to come in contact bad situation and to a certain degree retain strength is provided with its terminal design.Because cutting knife type terminal acting surface of the present invention is different with the plug direction,, therefore can increase substantially the production and the packaging qualification rate of terminal base so the thickness of cutting knife type terminal is unrestricted and intensity is bigger.In addition, because cutting knife type terminal of the present invention is to be plate-like structure, when therefore can being shaped, be embedded in the pedestal at the pedestal of terminal base, thereby can increase substantially bond strength between cutting knife type terminal and the pedestal, and then increase substantially production qualification rate and speed of production.

The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying Claim its equivalent modifications of carrying out or change.

Claims

1. A fan, comprising:

at least one rotor;

a housing housing the rotor; and

At least one terminal block, including:

a first seat, located on the periphery of the housing, having at least one terminal slot; and

At least one guillotine-type terminal is correspondingly arranged in the terminal groove, and the guillotine-type terminal is clamped and electrically connected to an external clamping terminal base, and the clamping terminal base has at least one pin and a second base body , the guillotine-type terminal is clamped by the pin and the second base or only clamped by the pin.

2. The fan according to claim 1, wherein the guillotine terminal is made of conductive material.

3. The fan according to claim 1, wherein the guillotine terminal has a body and a signal portion.

4 . The fan according to claim 3 , wherein the guillotine-type terminal has a fixing portion, the fixing portion is fixed on the first base body, and the fixing portion is barbed.

5. The fan as claimed in claim 4, wherein the fixing portion is embedded in the first seat body.

6. The fan according to claim 3, wherein the body or the signal portion is made of a non-conductive material, and at least one conductive film is formed on at least one end surface of the body or the signal portion.

7. The fan of claim 6, wherein the non-conductive material is plastic.

8. The fan according to claim 6 or 7, wherein the conductive film is located on the end surface or partially embedded in the body or the signal portion.

9. The fan according to claim 6 or 7, wherein when the number of the conductive films is more than two, each of the conductive films is formed on the same end face of the main body or the signal part, different end faces, and is partially embedded in The main body or the signal portion, or partly on the same end face and partly on different end faces.

10. The fan according to claim 3, wherein the body or the signal part is electrically connected to a control device via at least one wire.

11 . The fan according to claim 1 , wherein when there are more than two guillotine terminals, the size, height configuration or angle configuration of each guillotine terminal is the same or different.

12. The fan according to claim 1, wherein the guillotine terminal is a flat structure or a curved plate structure.

13. The fan according to claim 1, wherein the guillotine terminal is a U-shaped plate structure or an L-shaped plate structure.

14. The fan according to claim 1, wherein the first seat is disposed on a corner or a side wall of the housing, and the cross section of the first seat is flat, L-shaped or U-shaped.

15. The fan according to claim 1, wherein the first seat and the casing are integrally formed or assembled.

16. The fan as claimed in claim 1, wherein the housing or the first seat has at least one slot for accommodating a display.

17. The fan according to claim 1, wherein the pin is an elastic structure, a bent structure, or a structure with at least one protrusion, and the protrusion faces toward the inner wall of the second base or is in contact with the second seat. The extension surface of the pin is at an angle.

18. The fan according to claim 1, wherein the contact portion of the middle section or the front end of the pin extends in a non-radial direction of the fan or in a direction other than that of the guillotine terminal.

19. The fan according to claim 1, wherein the guillotine terminal is fixed on the first base by a mold.

20. The fan as claimed in claim 19, wherein the first seat body is formed by injection molding or extrusion molding.

21. A method of forming a terminal block comprising the steps of:

providing a first seat with a terminal slot and at least one guillotine terminal;

Correspondingly put the guillotine terminal into the terminal slot; and

The fixing part of the guillotine-type terminal is embedded in the first seat, so that the guillotine-type terminal can be clamped and electrically connected with an external clamping terminal base, and the clamping terminal base has at least one pin and a first Two base bodies, the guillotine terminal is clamped by the pin and the second base body or only clamped by the pin.

22. A method of forming a terminal block comprising the steps of:

providing at least one guillotine terminal;

placing the guillotine terminal in place in a mold; and

A first seat body is formed in the mold, and the guillotine terminal is fixed on the first seat body, so that the guillotine terminal can be clamped and electrically connected with an external clip-type terminal seat, and the clip-type terminal The base has at least one pin and a second base, and the guillotine terminal is clamped by the pin and the second base or only clamped by the pin.

23. The method as claimed in claim 22, wherein the method of forming the first seat is injection molding or extrusion molding.