CN202043274U - Vehicle electric horn - Google Patents
Vehicle electric horn Download PDFInfo
- Publication number
- CN202043274U CN202043274U CN2011200480265U CN201120048026U CN202043274U CN 202043274 U CN202043274 U CN 202043274U CN 2011200480265 U CN2011200480265 U CN 2011200480265U CN 201120048026 U CN201120048026 U CN 201120048026U CN 202043274 U CN202043274 U CN 202043274U
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- CN
- China
- Prior art keywords
- electric horn
- connecting portion
- coil
- circuit board
- bending sheet
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- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a vehicle electric horn, comprising a chassis, a circuit board, a coil framework winded a coil, a diaphragm, an acoustic cavity, a back cover and two flexed metal sheets partially fixed in the coil framework. The coil framework is fixed in the chassis, the circuit board is arranged in the coil framework, and the acoustic cavity, the back cover and the diaphragm are covered on the chassis in turn. The flexed metal sheet comprises a first connecting part, a second connecting part possessing at least one first flexing part and a second flexing part connected with the first connecting part and the second connecting part, wherein, the first connecting part of one of the flexed metal sheets is soldered with one end of the coil, the second connecting part is soldered with the circuit board, and the first connecting part of the other flexed metal sheet is soldered with the other end of the coil, and the second connecting part is soldered with the circuit board. By using the vehicle electric horn of the utility model, the abuse of the conventional vehicle electric horn that the coil is too tight or too loose caused by not fixing the coil end before soldering the coil and the circuit board directly is overcome, and the service life of the electric horn is prolonged.
Description
Technical field
The utility model relates to the loudspeaker field, particularly a kind of automobile-used electric horn.
Background technology
Existing automobile-used electric horn, mainly by the chassis, circuit board, coil rack, coil, connector, diaphragm, the operatic tunes, bonnet and two bending sheet metals are formed, wherein coil is on coil rack, and the coil rack that will be wound with coil is fixed in the chassis, two bending sheet metals are fixed on the coil rack, coil two ends after coiling finishes are welded on the circuit board respectively by two bending sheet metals, should cause the impact (this solder joint is meant the solder joint of welding bending sheet metal and circuit board) of butt welding point easily owing to the vibration of electric horn by existing automobile-used electric horn, thereby influence the useful life of electric horn.
The utility model content
The utility model is for solving existing automobile-used electric horn because the vibration of electric horn causes the impact of butt welding point easily, and then influence the electric horn technical problem in useful life, a kind of automobile-used electric horn is provided, this automobile-used electric horn has played cushioning effect well for the vibration of electric horn, promptly guarantee circuit board and bending sheet metal welding reliability, and then guaranteed the useful life of automobile-used electric horn.
For reaching technical purpose of the present utility model, the technical solution of the utility model is:
A kind of automobile-used electric horn, comprise the chassis, circuit board, be wound with the coil rack of coil, diaphragm, the operatic tunes, bonnet and partial fixing two bending sheet metals in coil rack, coil rack is fixed in the chassis, circuit board is installed in the coil rack, the operatic tunes, bonnet and diaphragm cover successively on the chassis, wherein said bending sheet metal comprises first connecting portion, have second connecting portion of at least one first bend and be connected in first connecting portion and second bend of second connecting portion, first connecting portion of one of them bending sheet metal and the welding of an end of coil, second connecting portion and circuit board welding; First connecting portion of another bending sheet metal and the welding of the other end of coil, second connecting portion and circuit board welding.
Further, described first bend is shaped as arcuation or ridge shape.
Further, the free end of described second connecting portion is taper.
Further, the distance at the described first bend distance second connecting portion free end top is greater than the thickness of circuit board.
Further, described circuit board comprises power supply, oscillating circuit, frequency dividing circuit and the power amplification circuit that is electrically connected successively, and wherein power amplification circuit adopts field effect transistor.
Further, described field effect transistor comprises main part and metal part, between metal part and chassis, be provided with an insulating radiation pad, this insulating radiation pad and field effect transistor through coil rack and be fixed on the chassis, and are provided with an insulating washer between field effect transistor and the nut by nuts and bolt.
Further, described two bending sheet metal part plastic packagings are in coil rack.
Further, the thickness of described bending sheet metal is 0.2mm-0.6mm.
Further, be full of silica gel in the described coil rack.
Further, the material of described bending sheet metal is copper or zinc.
Advantage of the present utility model, two bending sheet metals that the automobile-used electric horn of the utility model adopts, because second connecting portion of each bending sheet metal (this second connecting portion and circuit board welding) all has at least one first bend, therefore played cushioning effect well for the vibration of electric horn, promptly guarantee circuit board and bending sheet metal welding reliability, and then guaranteed the useful life of automobile-used electric horn.
Description of drawings
The example structure figure that Fig. 1 provides for the utility model electric horn.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the C-C cutaway view of Fig. 1.
Fig. 5 is the structure chart of the utility model bending sheet metal.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
For solving existing vehicle electric horn because the vibration of electric horn causes the impact of butt welding point easily; And then affect the electric horn technical problem in service life; Two bending sheet metals that the utility model vehicle electric horn adopts; Second connecting portion of this each bending sheet metal (this second connecting portion and welding circuit board) has at least one first bend; So just, played well cushioning effect for the vibration of electric horn; Namely guaranteed the reliability of circuit board and bending sheet metal welding; And then guaranteed service life of vehicle electric horn
In order to make those skilled in the art understand, realize the utility model better, below describe by specific embodiment.
The example structure figure that Fig. 1 provides for the utility model electric horn, Fig. 2 are the A-A cutaway view of Fig. 1, and Fig. 3 is the B-B cutaway view of Fig. 1, and Fig. 4 is the C-C cutaway view of Fig. 1, and Fig. 5 is the structure chart of the utility model bending sheet metal.As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, automobile-used electric horn comprises chassis 1, circuit board 2, is wound with the coil rack 3 of coil 16, diaphragm 4, the operatic tunes 5, bonnet 6 and partial fixing two bending sheet metals 7 in coil rack 3, coil rack 3 is fixed in the chassis 1, circuit board 2 is installed in the coil rack 3, the operatic tunes 5, bonnet 6 and diaphragm 4 cover successively on chassis 1, described circuit board 2 comprises power supply, oscillating circuit, frequency dividing circuit and the power amplification circuit that is electrically connected successively, and wherein power amplification circuit adopts field effect transistor 8.It should be noted that at this circuit board 2 of the present utility model is a prior art, therefore do not elaborate at this.
As Fig. 3, Fig. 4 and shown in Figure 5, the bending sheet metal 7 of present embodiment comprises first connecting portion 7.1, has second connecting portion 7.2 of at least one first bend 7.3 and is connected in first connecting portion 7.1 and second bend 7.4 of second connecting portion 7.2, first connecting portion 7.1 of one of them bending sheet metal 7 and the end welding of coil 16, second connecting portion 7.2 and circuit board 2 welding; First connecting portion 7.1 of another bending sheet metal 7 and the other end welding of coil 16, second connecting portion 7.2 and circuit board 2 welding.This second connecting portion of the second connecting portion 7.2(of two bending sheet metals 7 of present embodiment 7.2 and circuit board 2 welding) all have at least one first bend 7.3, therefore can play cushioning effect well to the vibration of loudspeaker, promptly guarantee circuit board 2 and bending sheet metal 7 welding reliability.
In the present embodiment, second connecting portion 7.2 of described two bending sheet metals 7 all has one first bend 7.3(and sees Fig. 5), certainly this is a kind of execution mode of the present utility model, second connecting portion 7.2 of these two bending sheet metals 7 can also comprise 2,3,4 or more a plurality of first bend 7.3, because first bend 7.3 that bending sheet metal 7 comprises is good more to the cushioning effect that the vibration of loudspeaker is played more at most, but the difficulty of its manufacture craft is also big relatively more, therefore, the number of first bend 7.3 that has of the utility model bending sheet metal 7 can comprehensively be determined according to the required effect of buffering and the complexity of manufacture craft by the designer.In addition, play the consistency of cushioning effect in order to consider two bending sheet metals 7, two bending sheet metals 7 preferably have first bend 7.3 of same number.
In the present embodiment, bending sheet metal 7 be shaped as arcuation, certainly, can also be other shape, for example ridge shape or zigzag or the like, the thickness of this bending sheet metal 7 is 0.2mm-0.6mm, certainly, the thickness of bending sheet metal 7 is preferably 0.3mm.
In the present embodiment, the free end of second connecting portion 7.2 of bending sheet metal 7 is taper (seeing Fig. 3 and Fig. 4), and this is a kind of preferred version of the present utility model, its objective is, the free end that is more conducive to bending sheet metal 7 inserts circuit board 2, and welds with circuit board 2.Wherein, the distance at described first bend 7.3 distance, second connecting portion 7.2 free end tops is greater than the thickness of circuit board 2.
As shown in Figure 2, the field effect transistor 8 of present embodiment comprises main part 8.1 and metal part 8.2, between metal part 8.2 and chassis 1, be provided with an insulating radiation pad 9, this insulating radiation pad 9 and field effect transistor 8 by nut 10 and bolt 11 through coil rack 3 and be fixed on the chassis 1, and be provided with an insulating washer 12 between field effect transistor 8 and the nut 10, purpose is, not only the heat that the heat radiating metal part 8.2 of field effect transistor 8 can be able to be produced at work conducts, burn out in order to avoid the temperature of field effect transistor 8 is too high, and avoided field effect transistor 8 directly to contact the drawback that easily is short-circuited with chassis 1, therefore present embodiment is owing to adopt above-mentioned insulating radiation pad 9 and insulating washer 12, electric horn with respect to prior art, the electric horn radiating effect of present embodiment is better, and has prolonged useful life greatly.The material of above-mentioned insulating radiation pad 9 is preferably silica gel, and certainly, the material of the utility model insulating radiation pad 9 is not limited to silica gel, also comprises other arbitrary material with insulating radiation effect.In like manner, the material of above-mentioned insulating washer 12 can be selected arbitrary material with insulating effect for use.
As shown in Figure 3, the automobile-used electric horn of present embodiment also comprises connector 13, static gag bit 14 and moving armature 15(see Fig. 3), wherein, connector 13 is fixedly mounted on the chassis 1, two power inputs of circuit board 2 are placed in two aluminium posts (13.1 of connector 13 respectively, 13.2) on, moving armature 15 fixedly is located at the middle position of diaphragm 4, static gag bit 14 is positioned at the coil rack 3 that is wound with coil 16, and moving armature 15 is on the same axis direction with static gag bit 14 and has certain interval (for example the gap is 0.5mm-1.5mm), above-mentioned static gag bit 14 is equivalent to the iron core in the solenoid, under the coil electricity situation, static gag bit 14 becomes electromagnet, attracts moving armature 15 to move along axis direction.It should be noted that at this,, therefore, it is done simple introduction at this because above-mentioned connector 13, static gag bit 14 and moving armature 15 are existing parts of electric horn in the prior art.
In the present embodiment, the material of described bending sheet metal 7 is selected copper for use, and certainly, the material of bending sheet metal 7 of the present utility model also can be other materials such as zinc, only needs to guarantee that itself and circuit board 2 can weld together gets final product.
In the present embodiment, two bending sheet metals 7 pass through the mode partial fixing of plastic packaging in coil rack 3, this is a kind of optimal way of the present utility model, purpose is, processes is simpler, therefore the utility model is not limited to aforesaid way, comprises that also other can be fixed in bending sheet metal 7 mode of coil rack 3.
As a preferred version of present embodiment, be full of silica gel in the described coil rack 3, purpose is the water proofing property that guarantees the utility model electric horn.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. automobile-used electric horn, comprise the chassis, circuit board, be wound with the coil rack of coil, diaphragm, the operatic tunes, bonnet and partial fixing two bending sheet metals in coil rack, coil rack is fixed in the chassis, circuit board is installed in the coil rack, the operatic tunes, bonnet and diaphragm cover successively on the chassis, it is characterized in that, described bending sheet metal comprises first connecting portion, have second connecting portion of at least one first bend and be connected in first connecting portion and second bend of second connecting portion, first connecting portion of one of them bending sheet metal and the welding of an end of coil, second connecting portion and circuit board welding; First connecting portion of another bending sheet metal and the welding of the other end of coil, second connecting portion and circuit board welding.
2. automobile-used electric horn according to claim 1 is characterized in that, described first bend be shaped as arcuation or ridge shape.
3. automobile-used electric horn according to claim 1 is characterized in that, the free end of described second connecting portion is taper.
4. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that the distance at the described first bend distance second connecting portion free end top is greater than the thickness of circuit board.
5. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that described circuit board comprises power supply, oscillating circuit, frequency dividing circuit and the power amplification circuit that is electrically connected successively, wherein power amplification circuit adopts field effect transistor.
6. automobile-used electric horn according to claim 5, it is characterized in that, described field effect transistor comprises main part and metal part, between metal part and chassis, be provided with an insulating radiation pad, this insulating radiation pad and field effect transistor through coil rack and be fixed on the chassis, and are provided with an insulating washer between field effect transistor and the nut by nuts and bolt.
7. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that described two bending sheet metal part plastic packagings are in coil rack.
8. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that the thickness of described bending sheet metal is 0.2mm-0.6mm.
9. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that, be full of silica gel in the described coil rack.
10. according to each described automobile-used electric horn of claim 1 to 3, it is characterized in that the material of described bending sheet metal is copper or zinc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200480265U CN202043274U (en) | 2011-02-25 | 2011-02-25 | Vehicle electric horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200480265U CN202043274U (en) | 2011-02-25 | 2011-02-25 | Vehicle electric horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043274U true CN202043274U (en) | 2011-11-16 |
Family
ID=44970699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200480265U Expired - Lifetime CN202043274U (en) | 2011-02-25 | 2011-02-25 | Vehicle electric horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043274U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523549A (en) * | 2011-12-05 | 2012-06-27 | 哈尔滨固泰电子有限责任公司 | Integrated circuit board protection box assembling method |
| CN107801142A (en) * | 2016-08-29 | 2018-03-13 | 徐州荣立达电子科技有限公司 | Static gag bit location equipment in a kind of loudspeaker preparation technology |
-
2011
- 2011-02-25 CN CN2011200480265U patent/CN202043274U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102523549A (en) * | 2011-12-05 | 2012-06-27 | 哈尔滨固泰电子有限责任公司 | Integrated circuit board protection box assembling method |
| CN102523549B (en) * | 2011-12-05 | 2016-08-03 | 哈尔滨固泰电子有限责任公司 | Integrated circuit board protection box assembling method |
| CN107801142A (en) * | 2016-08-29 | 2018-03-13 | 徐州荣立达电子科技有限公司 | Static gag bit location equipment in a kind of loudspeaker preparation technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |
|
| CX01 | Expiry of patent term |