CN203670310U - Direct current piezoelectric fan - Google Patents
Direct current piezoelectric fan Download PDFInfo
- Publication number
- CN203670310U CN203670310U CN201320668721.0U CN201320668721U CN203670310U CN 203670310 U CN203670310 U CN 203670310U CN 201320668721 U CN201320668721 U CN 201320668721U CN 203670310 U CN203670310 U CN 203670310U
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- piezoelectric
- direct current
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- type fan
- pasting
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- Expired - Lifetime
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 241000883990 Flabellum Species 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a direct current piezoelectric fan which comprises a circuit module and a fan blade group which is connected with the circuit module, wherein the fan blade group comprises a base and a plurality of piezoelectric units which are arranged on the base in a parallel mode, and the piezoelectric units comprise piezoelectric vibrators and blades which are attached on the piezoelectric vibrators and stretch out of the piezoelectric vibrators. According to the direct current piezoelectric fan, the piezoelectric units are arranged on the base in a parallel mode, and the circuit module generates direct current signals and simultaneously drives the several piezoelectric vibrators to generate vibration of the same direction, so that output wind volume of the piezoelectric fan is effectively increased without obviously increasing blade amplitude in the piezoelectric units. The direct current piezoelectric fan is applied to the field of piezoelectric devices.
Description
Technical field
The utility model relates to piezoelectric device field, particularly relates to a kind of piezoelectricity type fan.
Background technique
Existing and common piezoelectric fan is conventionally simple in structure and volume is little, and a lot of portable sets all dispels the heat with it at present.
Existing piezoelectric fan is limited by its amplitude size, makes space thickness for placing piezoelectric fan can not be less than the amplitude of piezoelectric fan.And present portable set thickness is more and more less, the amplitude that causes being installed on its inner piezoelectric fan can not be excessive, but too small amplitude can make again air quantity not reach the requirement of heat radiation.
Model utility content
For addressing the above problem, the direct current piezoelectricity type fan that the utility model provides a kind of combined type can effectively improve air quantity.
The utility model solves the technological scheme that its technical problem adopts:
A kind of direct current piezoelectricity type fan, comprise circuit module and the flabellum group being connected with described circuit module, multiple piezoelectric units that flabellum group comprises pedestal and is arranged in parallel on pedestal, piezoelectric unit comprises piezoelectric vibrator and pastes on piezoelectric vibrator and extend to the blade outside piezoelectric vibrator.
Be further used as the improvement of technical solutions of the utility model, circuit module comprises connected successively signal generating module, signal amplification module and the boost module being directly connected with flabellum group.
Be further used as the improvement of technical solutions of the utility model, signal generating module produces signal by wien-bridge oscillator, and described signal is passed to boost module after processing by forward amplifier and sign-changing amplifier respectively.
Be further used as the improvement of technical solutions of the utility model, piezoelectric vibrator comprises piezoelectric ceramic and paste the tinsel in piezoelectric ceramic both sides, and wherein a tinsel is fixedly connected on blade one end.
Be further used as the improvement of technical solutions of the utility model, pedestal is provided with the inserting groove of some equidistant arrangements, and each piezoelectric unit is arranged on pedestal by the mode of pegging graft.
Be further used as the improvement of technical solutions of the utility model, blade comprises the section of pasting that is fixedly connected with piezoelectric vibrator and is suspended at the section of suspending outside the section of pasting, and the width of the section of suspending is greater than the width of the section of pasting.
Be further used as the improvement of technical solutions of the utility model, the elongated segment degree direction that suspends is from widening gradually to both sides with the joint of the section of pasting.
Be further used as the improvement of technical solutions of the utility model, the section of suspending with paste the intersegmental joining section of widening gradually that is provided with.
The beneficial effects of the utility model: this direct current piezoelectricity type fan is installed in parallel in some piezoelectric units on pedestal, produce direct current signal and drive multiple piezoelectric vibrators to produce in phase vibration simultaneously by circuit module, thereby the in the situation that of not obvious increase piezoelectric unit intra vane amplitude, effectively increase the discharge quantity of fan of piezoelectricity type fan.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment overall structure schematic diagram;
Fig. 2 is piezoelectric unit structural representation in the utility model embodiment;
Fig. 3 is the utility model Leaf the first example structure schematic diagram;
Fig. 4 is the utility model Leaf the second example structure schematic diagram;
Fig. 5 is the utility model Leaf the 3rd example structure schematic diagram;
Fig. 6 is the logic diagram of the utility model embodiment circuit module.
Embodiment
With reference to Fig. 1～Fig. 6, the utility model is a kind of direct current piezoelectricity type fan, comprise circuit module and the flabellum group being connected with described circuit module, multiple piezoelectric units 2 that flabellum group comprises pedestal 1 and is arranged in parallel on pedestal 1, piezoelectric unit 2 comprises piezoelectric vibrator 21 and pastes on piezoelectric vibrator 21 and extend to the blade 22 outside piezoelectric vibrator 21.
This direct current piezoelectricity type fan is installed in parallel in some piezoelectric units 2 on pedestal 1, produce direct current signal and drive multiple piezoelectric vibrators 21 to produce in phase vibration simultaneously by circuit module, thereby the in the situation that of not obvious increase piezoelectric unit 2 intra vane 22 amplitude, effectively increase the discharge quantity of fan of piezoelectricity type fan.
As the utility model preferred embodiment, circuit module comprises connected successively signal generating module, signal amplification module and the boost module being directly connected with flabellum group.
As the utility model preferred embodiment, signal generating module produces signal by wien-bridge oscillator, and described signal is passed to boost module after processing by forward amplifier and sign-changing amplifier respectively.
Circuit module converts the Ac of output to direct current and drives multiple piezoelectric vibrators 2 to produce in phase vibration simultaneously, multi-disc piezoelectric vibrator 21 is driven and is carried out in phase vibration by circuit module, thereby the distance that makes 21 of each piezoelectric vibrators can not be limited to the amplitude of piezoelectric vibrator 21 and cannot reduce, and multi-disc piezoelectric vibrator 21 vibrates formed air quantity and blast superposes mutually, can effectively improve the air quantity that fan is exported.
As the utility model preferred embodiment, piezoelectric vibrator 21 comprises piezoelectric ceramic 212 and pastes the tinsel 211 in piezoelectric ceramic 212 both sides, and wherein a tinsel 211 is fixedly connected on blade 22 one end.
As the utility model preferred embodiment, pedestal 1 is provided with the inserting groove of some equidistant arrangements, and each piezoelectric unit 2 is arranged on pedestal 1 by the mode of pegging graft.
Multi-disc piezoelectric vibrator 21 longitudinal arrangements and with peg graft mode be arranged on pedestal 1, may conveniently process and install.
As the utility model preferred embodiment, blade 22 comprises the section of pasting 221 being fixedly connected with piezoelectric vibrator 21 and is suspended at the section of suspending 222 outside the section of pasting 221, and the width of the section of suspending 222 is greater than the width of the section of pasting 221.
As the utility model preferred embodiment, the section of suspending 222 elongatedness directions are from widening gradually to both sides with the joint of the section of pasting 221.
As the utility model preferred embodiment, between the section of suspending 222 and the section of pasting 221, be provided with the joining section 223 of widening gradually.
Certainly, the utility model is created and is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (8)
1. a direct current piezoelectricity type fan, it is characterized in that: comprise circuit module and the flabellum group being connected with described circuit module, multiple piezoelectric units (2) that described flabellum group comprises pedestal (1) and is arranged in parallel on pedestal (1), described piezoelectric unit (2) comprises piezoelectric vibrator (21) and pastes the blade (22) outside piezoelectric vibrator (21) is gone up and extended to piezoelectric vibrator (21).
2. direct current piezoelectricity type fan according to claim 1, is characterized in that: described circuit module comprises connected successively signal generating module, signal amplification module and the boost module being directly connected with flabellum group.
3. direct current piezoelectricity type fan according to claim 2, is characterized in that: described signal generating module produces signal by wien-bridge oscillator, and described signal is passed to boost module after processing by forward amplifier and sign-changing amplifier respectively.
4. direct current piezoelectricity type fan according to claim 1 and 2, it is characterized in that: described piezoelectric vibrator (21) comprises piezoelectric ceramic (212) and paste the tinsel (211) in described piezoelectric ceramic (212) both sides, wherein described in one, tinsel (211) is fixedly connected on blade (22) one end.
5. direct current piezoelectricity type fan according to claim 1 and 2, is characterized in that: described pedestal (1) is provided with the inserting groove of some equidistant arrangements, and each described piezoelectric unit (2) is arranged on pedestal (1) by the mode of pegging graft.
6. direct current piezoelectricity type fan according to claim 1 and 2, it is characterized in that: described blade (22) comprises the section of pasting (221) being fixedly connected with piezoelectric vibrator (21) and be suspended at the outer section of suspending (222) of the section of pasting (221), described in the width of the section of suspending (222) be greater than the width of the section of pasting (221).
7. direct current piezoelectricity type fan according to claim 6, is characterized in that: described in the section of suspending (222) elongatedness direction from widening gradually to both sides with the joint of the section of pasting (221).
8. direct current piezoelectricity type fan according to claim 6, is characterized in that: described in be provided with the joining section (223) of widening gradually between the section of suspending (222) and the section of pasting (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668721.0U CN203670310U (en) | 2013-10-28 | 2013-10-28 | Direct current piezoelectric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668721.0U CN203670310U (en) | 2013-10-28 | 2013-10-28 | Direct current piezoelectric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670310U true CN203670310U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668721.0U Expired - Lifetime CN203670310U (en) | 2013-10-28 | 2013-10-28 | Direct current piezoelectric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557188A (en) * | 2013-10-28 | 2014-02-05 | 广州市番禺奥迪威电子有限公司 | Direct-current piezoelectric type fan |
-
2013
- 2013-10-28 CN CN201320668721.0U patent/CN203670310U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557188A (en) * | 2013-10-28 | 2014-02-05 | 广州市番禺奥迪威电子有限公司 | Direct-current piezoelectric type fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG AUDIOWELL ELECTRONICS CO., LTD. Free format text: FORMER NAME: GUANGZHOU PANYU AODIWEI ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 511400, Dongsheng Industrial Zone, east ring street, Guangzhou, Guangdong, Panyu District 9 Patentee after: AUDIOWELL ELECTRONICS (GUANGDONG) Co.,Ltd. Address before: 511400, Dongsheng Industrial Zone, east ring street, Guangzhou, Guangdong, Panyu District 9 Patentee before: AUDIOWELL ELECTRONICS (GUANGZHOU) Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term |