CN110164408A - A kind of sustainable development sound electromagnetic buzzer having heat sinking function - Google Patents
A kind of sustainable development sound electromagnetic buzzer having heat sinking function Download PDFInfo
- Publication number
- CN110164408A CN110164408A CN201910514521.1A CN201910514521A CN110164408A CN 110164408 A CN110164408 A CN 110164408A CN 201910514521 A CN201910514521 A CN 201910514521A CN 110164408 A CN110164408 A CN 110164408A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic
- upper cover
- electromagnetic actuator
- actuator device
- buzzer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/22—Mountings; Casings
Abstract
The invention discloses a kind of sustainable development sound electromagnetic buzzers for having heat sinking function, including pedestal, electromagnetic actuator device and upper cover, the pedestal is equipped with electromagnetic actuator device and upper cover, the upper cover covers on the outside of electromagnetic actuator device, the inner cavity of the pedestal is equipped with rotation drive device, cross bar is installed above rotation drive device, the side of cross bar is equipped with a pair of conductive connector, the top of base intracavity is equipped with several pairs of conductive contacts, the conductive contact can be contacted with conductive contact, one group of electromagnetic actuator device is respectively connected at the top of each pair of conductive contact.The present invention passes through three electromagnetic actuator devices of setting, it is powered in only one electromagnetic actuator device of same time, drive vibrating reed vibration sounding, effectively reduce the working time of single coil, in the case that buzzer pipes for a long time, each coil stops working for some time, and persistent fever is avoided to burn out buzzer.
Description
Technical field
The present invention relates to electromagnetic buzzer equipment technical field more particularly to a kind of sustainable developments for having heat sinking function
Sound electromagnetic buzzer.
Background technique
Electromagnetic buzzer is a kind of audio signal to be generated changing magnetic field by electromagnetic coil to pushing metal film
The electro-acoustic element of piece vibration sounding.Electromagnetic buzzer that existing patent is a kind of to have heat sinking function (patent No.:
201711361381.6), buzzer bottom part body is connected by insulation displacement connector with colored lens, is set below the colored lens
It is equipped with heat dissipating layer, the side of the carrying protective shell is fixed with plate, power supply adaptor is equipped on the plate, and power supply is suitable
Orchestration surface offers radiating groove, and buzzer body interior electronic component by heat conducting bar and is arranged in buzzer body side
Cooling fin be connected.This electromagnetic buzzer using the elements such as heat dissipating layer, radiating groove, heat release hole and cooling fin, have compared with
Strong heat sinking function, but there are the following problems: (1) since heat dissipation element excessively causes buzzer volume excessive, not being suitable for
Integrated circuit；(2) device exterior is covered with water-proof protection cover, and sounding effect is bad.
The existing patent beating type electric magnetic buzzer (patent No.: 201420102530.2), prominent with a rotatable band
The cylinder of conductive interface is axle center, and connection electromagnet attracts strike iron hammer to hit electromagnet sounding when rotation.This beating type electricity
Magnetic buzzer use beating type vocal technique, sounding is clear and melodious, long service life, but there are beating type buzzer fixing end stress compared with
Greatly, for a long time using can circuit board is caused to bear, cause buzzer fall off even circuit board fracture the problem of.
Summary of the invention
Goal of the invention: it is an object of the present invention to provide a kind of sustainable development sound electromagnetic buzzer for having heat sinking function, energy
Effectively solving the problem of that conventional buzzer generates heat when piping for a long time leads to component wear.
Technical solution: the present invention includes pedestal, electromagnetic actuator device and upper cover, and the pedestal is filled equipped with electromagnetic drive
It sets and upper cover, the upper cover covers on the outside of electromagnetic actuator device, the inner cavity of the pedestal is equipped with rotation drive device, rotates
Cross bar is installed, the side of cross bar is equipped with a pair of conductive connector, and it is several right that the top of base intracavity is equipped with above driving device
Conductive contact, the conductive contact can be contacted with conductive contact, and one group of electromagnetism is respectively connected at the top of each pair of conductive contact
Driving device.
The electromagnetic actuator device includes thermal column, and the inside of thermal column is equipped with iron core, and outside is wound with electromagnetic coil, institute
The thermal column stated selects heat conductive silica gel material, the heat that buzzer generates effectively can be spilt into the external world.
The electromagnetic coil is connect with conductive contact.
Magnet is equipped with inside the center of the electromagnetic actuator device and upper cover, wherein the magnetic in electromagnetic actuator device center
Ferropexy is in base top；Magnet inside upper cover is fixed on upper cover inner wall corresponding to electromagnetic actuator device.
Be equipped with vibrating reed above the electromagnetic actuator device, vibrating reed is equipped with sheet metal, the both ends of vibrating reed with it is upper
Lid is fixed.
The upper tops are equipped with sound hole.
The rotation drive device includes rotation motor, and the rotation motor is fixed on the bottom of base intracavity, rotation
Turn to be cased with shaft on motor, the top of shaft and the top of base intracavity are fixed, and the top of shaft connects cross bar, rotation motor band
Turn axis and cross bar rotation, contact conductive contact with conductive contact, connect electromagnetic coil and generate magnetic field, make vibrating reed vibration hair
Sound.
The pedestal and upper cover select heat conductive silica gel material, the heat that buzzer generates effectively can be spilt into the external world.
The bottom of the pedestal is fixed with pad.
Working principle: in use, rotation motor is powered, rotation motor drives shaft and cross bar rotation, when cross bar rotates to
When a certain angle, conductive contact and certain conductive contact is connected, the solenoid ON above conductive contact, remaining two pairs do not connect
Logical conductive contact and its corresponding electromagnetic coil do not work, and are generated above magnetic field suction device jointly by electromagnetic coil and magnet
Sheet metal, sheet metal drives vibrating reed vibration, vibrating reed vibration sounding, and sound passes through the outflow of the sound hole in upper cover center.
The utility model has the advantages that the invention has the following advantages that
(1) present invention is powered by three electromagnetic actuator devices of setting in only one electromagnetic actuator device of same time,
Vibrating reed vibration sounding is driven, the working time of single coil is effectively reduced, it is each in the case that buzzer pipes for a long time
A coil all stops working for some time, and persistent fever is avoided to burn out buzzer；
(2) thermal column of pedestal of the present invention, upper cover and inner hollow is all made of heat sink material heat conductive silica gel, buzzer
The heat that coil generates is imported pedestal and upper cover in time, heat is made to spill into the external world rapidly by coil heating when work, thermal column, is protected
It holds electromagnetic actuator device and is in suitable temperature, avoid burning out.
Detailed description of the invention
Fig. 1 is main view sectional structure chart of the invention；
Fig. 2 be the present invention without upper cover when top view.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As depicted in figs. 1 and 2, the present invention includes pedestal 1, electromagnetic actuator device 2 and upper cover 3, and the top of pedestal 1 is equipped with electricity
Magnetic drive unit 2 and upper cover 3, upper cover 3 cover on the outside of electromagnetic actuator device 2, upper cover 3 using the good adhesive of heat dissipation performance with
Pedestal 1 is bonded.Pedestal 1 is the cylindrical structure of inner hollow, and the bottom of 1 inner cavity of pedestal is equipped with rotation drive device.Rotation
Driving device includes rotation motor 13, and rotation motor 13 is mounted on the central location of 1 inside bottom of pedestal, 13 center of rotation motor
It is cased with shaft 12, the top at the top and 1 inner cavity of pedestal of shaft 12 is fixed, and the top of shaft 12 is cased with cross bar 14, rotation motor
13 are able to drive shaft 12 and cross bar 14 rotates together.The conduction that the side of cross bar 14 is equipped with a pair of distribution spaced apart connects
First 11, the top of 1 inner cavity of pedestal is equipped with three pairs of conductive contacts 16, when cross bar 14 rotates by a certain angle, the touching of one pair of them conduction
Point 16 can be contacted with conductive contact 11, and then the connection generation of electromagnetic coil 22 magnetic field makes 33 vibration sounding of vibrating reed.It is each pair of
The top of conductive contact 16 is respectively connected with one group of electromagnetic actuator device 2.Three electromagnetic drive dresses are driven by rotation drive device
It sets 2 to take turns to operate, the same time has and only one device is in running order.
As shown in Fig. 2, electromagnetic actuator device 2 is equipped with three groups altogether, and it is uniformly distributed along the circumferentially-spaced of pedestal 1.Every group of electricity
Magnetic drive unit 2 includes a thermal column 24, and thermal column 24 and pedestal 1 are integrally formed, and is tied using the cylinder of inner hollow
Structure, three distributions in equilateral triangle of thermal column 24, electromagnetic actuator device 2 are arranged centered on the thermal column 24.Thermal column 24
Inside be equipped with the iron core 23 that is consistent with its structure, iron core 23 is fixed on inside thermal column 24 with adhesive, outside thermal column 24
Portion is equipped with the electromagnetic coil 22 around thermal column 24, has been correspondingly connected with a pair of conductive contact 16 below every group of electromagnetic coil 22, such as
Shown in Fig. 1.Wherein, the material of pedestal 1, upper cover 3 and thermal column 24 is heat conductive silica gel, the heat that can effectively generate buzzer
Spill into the external world.Magnet 21 is equipped with inside the center of electromagnetic actuator device 2 and upper cover 3, wherein 2 center of electromagnetic actuator device
Magnet 21 is fixed on the central location at 1 top of pedestal；Magnet 21 inside upper cover 3 is fixed on corresponding to electromagnetic actuator device 2
On upper cover inner wall, the equally distributed magnet 21 in interval at three is equipped on 3 inner wall of upper cover altogether, it is total by electromagnetic coil 22 and magnet 21
Carry out the sheet metal 32 above suction device with magnetic field is generated, sheet metal 32 drives 33 vibration sounding of vibrating reed.
As shown in Figure 1, the top of electromagnetic actuator device 2 is equipped with vibrating reed 33, vibrating reed 33 is spaced apart equipped with three pieces
Foil 32, the both ends of vibrating reed 33 and the inner wall of upper cover 3 fix, and 3 middle section of upper cover is equipped with a sound hole 31.Pedestal
1 bottom is fixed with pad 15, by pad 15 and welding circuit board, after circuit board is powered, can be powered for rotation motor 13.
In use, rotation motor is powered, rotation motor drives shaft and cross bar rotation, when cross bar rotates to a certain angle
When, conductive contact and certain conductive contact is connected, the solenoid ON above conductive contact, the conduction of remaining two pairs of access failure
Contact and its corresponding electromagnetic coil do not work, and generate the metal above magnetic field suction device jointly by electromagnetic coil and magnet
Piece, sheet metal drive vibrating reed vibration, vibrating reed vibration sounding, and sound is spread out of by the sound hole in upper cover center.In the present invention
When being powered on, coil and vibrating reed can generate heat, there is pedestal made of heat sink material heat conductive silica gel, upper cover and heating column
The external world can be spilt into time by heat transfer, in order to avoid coil and vibrating reed, which are burnt out, leads to buzzer, cause it to change voice even and damage
It is bad.In this way, the rotation drive device by chassis interior drives three devices to take turns to operate, and only one device of same time
It is in running order, to improve the service life of buzzer.
Claims (9)
1. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function, which is characterized in that filled including pedestal, electromagnetic drive
It sets and upper cover, the pedestal is equipped with electromagnetic actuator device and upper cover, the upper cover covers on the outside of electromagnetic actuator device, institute
The inner cavity for stating pedestal is equipped with rotation drive device, and cross bar is equipped with above rotation drive device, and the side of cross bar is equipped with one
To conductive contact, the top of base intracavity is equipped with several pairs of conductive contacts, and the conductive contact can be contacted with conductive contact,
One group of electromagnetic actuator device is respectively connected at the top of each pair of conductive contact.
2. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
The electromagnetic actuator device includes thermal column, and the inside of thermal column is equipped with iron core, and outside is wound with electromagnetic coil, the heat dissipation
Column selects heat conductive silica gel material.
3. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 2, which is characterized in that
The electromagnetic coil is connect with conductive contact.
4. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
Magnet is equipped with inside the center of the electromagnetic actuator device and upper cover, wherein the magnet in electromagnetic actuator device center is fixed on
Base top；Magnet inside upper cover is fixed on upper cover inner wall corresponding to electromagnetic actuator device.
5. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1 or 4, feature exist
In equipped with vibrating reed above the electromagnetic actuator device, vibrating reed is equipped with sheet metal, and the both ends of vibrating reed and upper cover are solid
It is fixed.
6. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
The upper tops are equipped with sound hole.
7. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
The rotation drive device includes rotation motor, and the rotation motor is fixed on the bottom of base intracavity, on rotation motor
It is cased with shaft, the top of shaft and the top of base intracavity are fixed, and the top of shaft connects cross bar.
8. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
The pedestal and upper cover select heat conductive silica gel material.
9. a kind of sustainable development sound electromagnetic buzzer for having heat sinking function according to claim 1, which is characterized in that
The bottom of the pedestal is fixed with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514521.1A CN110164408B (en) | 2019-06-14 | 2019-06-14 | Sustainable sounding electromagnetic buzzer with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514521.1A CN110164408B (en) | 2019-06-14 | 2019-06-14 | Sustainable sounding electromagnetic buzzer with heat dissipation function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110164408A true CN110164408A (en) | 2019-08-23 |
| CN110164408B CN110164408B (en) | 2022-12-06 |
Family
ID=67628994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514521.1A Active CN110164408B (en) | 2019-06-14 | 2019-06-14 | Sustainable sounding electromagnetic buzzer with heat dissipation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110164408B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675851A (en) * | 2019-10-11 | 2020-01-10 | 广州市番禺区大通电子有限公司 | Piezoelectric buzzer without bottom cover and assembling method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3540039A (en) * | 1967-10-16 | 1970-11-10 | Dole Valve Co | Warning device for automatic washing and drying machines |
| US4075626A (en) * | 1976-11-11 | 1978-02-21 | Kobishi Electric Co., Ltd. | Alarm buzzer |
| US4195285A (en) * | 1978-12-01 | 1980-03-25 | Littelfuse, Inc. | Double buzzer assembly |
| USRE31152E (en) * | 1976-11-11 | 1983-02-15 | Kobishi Electric Co., Ltd. | Alarm buzzer |
| CN203288236U (en) * | 2013-05-30 | 2013-11-13 | 黑龙江省延海高新科技有限责任公司 | Annular contactless automotive electronic horn |
| CN103745717A (en) * | 2013-12-20 | 2014-04-23 | 汉得利（常州）电子有限公司 | Double-driving buzzer |
| CN203746415U (en) * | 2014-03-07 | 2014-07-30 | 江苏海事职业技术学院 | Striking type electromagnetic buzzer |
| WO2015005878A1 (en) * | 2013-07-11 | 2015-01-15 | Seger Ses Ve Elektri̇kli̇ Gereçler Sanayi̇ Anoni̇m Şi̇rketi̇ | Structure preventing overheating of audible warning devices for vehicles |
| CN108010509A (en) * | 2017-12-18 | 2018-05-08 | 兴化市天华机电有限公司 | A kind of electromagnetic buzzer for possessing heat sinking function |
| CN207503631U (en) * | 2017-11-30 | 2018-06-15 | 张俊 | A kind of rotary electromagnetic buzzer |
-
2019
- 2019-06-14 CN CN201910514521.1A patent/CN110164408B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3540039A (en) * | 1967-10-16 | 1970-11-10 | Dole Valve Co | Warning device for automatic washing and drying machines |
| US4075626A (en) * | 1976-11-11 | 1978-02-21 | Kobishi Electric Co., Ltd. | Alarm buzzer |
| USRE31152E (en) * | 1976-11-11 | 1983-02-15 | Kobishi Electric Co., Ltd. | Alarm buzzer |
| US4195285A (en) * | 1978-12-01 | 1980-03-25 | Littelfuse, Inc. | Double buzzer assembly |
| CN203288236U (en) * | 2013-05-30 | 2013-11-13 | 黑龙江省延海高新科技有限责任公司 | Annular contactless automotive electronic horn |
| WO2015005878A1 (en) * | 2013-07-11 | 2015-01-15 | Seger Ses Ve Elektri̇kli̇ Gereçler Sanayi̇ Anoni̇m Şi̇rketi̇ | Structure preventing overheating of audible warning devices for vehicles |
| CN103745717A (en) * | 2013-12-20 | 2014-04-23 | 汉得利（常州）电子有限公司 | Double-driving buzzer |
| CN203746415U (en) * | 2014-03-07 | 2014-07-30 | 江苏海事职业技术学院 | Striking type electromagnetic buzzer |
| CN207503631U (en) * | 2017-11-30 | 2018-06-15 | 张俊 | A kind of rotary electromagnetic buzzer |
| CN108010509A (en) * | 2017-12-18 | 2018-05-08 | 兴化市天华机电有限公司 | A kind of electromagnetic buzzer for possessing heat sinking function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110675851A (en) * | 2019-10-11 | 2020-01-10 | 广州市番禺区大通电子有限公司 | Piezoelectric buzzer without bottom cover and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN110164408B (en) | 2022-12-06 |
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