CN1626380A - High reliable and free of maintaining electric horn for cars - Google Patents
High reliable and free of maintaining electric horn for cars Download PDFInfo
- Publication number
- CN1626380A CN1626380A CN 200310106571 CN200310106571A CN1626380A CN 1626380 A CN1626380 A CN 1626380A CN 200310106571 CN200310106571 CN 200310106571 CN 200310106571 A CN200310106571 A CN 200310106571A CN 1626380 A CN1626380 A CN 1626380A
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- Prior art keywords
- sound
- bonnet
- disjunctor
- lower core
- contact
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Abstract
A high-reliability electric horn without maintenance for car features tha its integral back cover, lower iron core, contact unit, voice membrane unit and power connector are installed in air-tight mode, so isolating the water, hamful gas and O2 and resulting in high reliability and long service life.
Description
Technical field:
The present invention relates to a kind of electric automobile horn, specially refer to have the electric automobile horn of contact.
Background technology:
Used electric automobile horn on other vehicles such as present automobile, car, the overwhelming majority is the dynamic loud-speaker of chattering type, and the dynamic loud-speaker of this structure is made up of lower core, bonnet, coil, coil pressing plate, contact element, sound membrane element, riveting circle, sound cartridge unit etc.Lower core is by being threaded on the bonnet, mounting coil is on lower core, and place in the bonnet, and limit moving axially of coil by the coil pressing plate, be provided with the riveting circle between bonnet and the sound cartridge unit, riveting circle one end and bonnet link into an integrated entity by the riveted mode, and the other end is connected with the sound cartridge unit by positioning spigot, and with lining cement sound cartridge unit and riveting circle are fused.The sound cartridge unit is made up of sound cover and sound cylinder base, between the two by two cooresponding locating dowel pins and knock hole location, is integral with the lining cement adhesion at both faying face; Contact element is installed in the bonnet by screw, and wherein the sectional area of two electrode contacts is identical.The electric automobile horn of this structure, service life is short, and reliability is low, and its main diseases is because of as follows:
1. since lower core by being threaded on the bonnet, electric automobile horn in actual use, loudspeaker are subjected to continuous vibration, lower core is easy to become flexible, and lower core is moved axially, thereby has changed upper core in the sound membrane element and the magnetic circuit gap between the lower core, the lighter causes the loudspeaker pronunciation uneven, the sound film is failure to actuate, and weight person then can be short-circuited, and burns out until loudspeaker.
2. because riveting circle and bonnet; all be connected between sound film and the riveting circle by the riveted mode; in addition between lower core and the bonnet by being threaded; therefore the sealing property in formed space is relatively poor between bonnet and the sound film; extraneous rainwater; aggressive fume; air and koniology all can be infiltrated in it; though it can protect and keep sound film both sides equilibrium of pressure; but entering of rainwater can make short circuit; airborne aggressive fume can make each the components and parts corrosion in the loudspeaker and wear out; more seriously airborne oxygen helps to produce electro spark between two electrodes in the contact element; the intensifier electrode scaling loss, this is that automobile is with there being the contact dynamic loud-speaker short service life; the one of the main reasons of poor reliability.
3. because contact element is installed in the bonnet by screw, same because of vibration cause in actual use, tightening screw is easily loosening, changes set pressure between two electrodes easily, causes loudspeaker malfunctioning.
4. be enclosed within the bonnet owing to coil, it axially fixes by the coil pressing plate, can coil be fixed, both be subjected to the influence of coil pressing plate self rigidity, be subjected to the influence of coil pressing plate connection mode again, exist multiple factor can make the loosening or distortion of pressing plate in actual use, thereby coil can produce end float misalignment, thereby have influence on the reliability and the voice quality of electric automobile horn.
5. in contact element, because the cross section of two electrode contacts is identical, the electro spark that two electrodes are produced in actual use is easy to carbon distribution on electrode, thereby causes loudspeaker malfunctioning, influences the service life and the reliability of electric automobile horn.
6. because the sound tube is split type, and it is by sound cover and sound cylinder base be combined into, and both link into an integrated entity by lining cement, bonding between the two as whether to seal and directly to have influence on the voice quality of sound tube.In actual production and use, sound cover and the bonding quality of sound cylinder base on faying face are difficult to control, are easy to produce the crack between the two, partly come unstuck or come off, and cause gas leakage, thereby influence the voice quality and the service life of electric automobile horn.
Summary of the invention:
Goal of the invention of the present invention is: a kind of highly reliable, non-maintaining electric automobile horn is provided, and it can overcome many deficiencies that electric automobile horn above-mentioned existence in contact is arranged.
Technical scheme of the present invention is: of the present invention highly reliable, non-maintaining electric automobile horn, comprise lower core, bonnet, coil, contact element, the sound membrane element, sound cartridge unit and power connector, coil winding is on coil rack, coil rack is sleeved on the lower core, and place the lower core mounting hole of bonnet, on the E of the lower surface of bonnet, be provided with power connector, contact element is equipped with in inboard in the bonnet lower surface, it is characterized in that: described bonnet is the disjunctor bonnet, be provided with the slow indent of gas on the disjunctor bonnet, lower core is hermetic captiveed joint with the disjunctor bonnet and is integral; Coil rack is captiveed joint with lower core and is integral; Power connector hermetic is contained on the lower surface E of disjunctor bonnet, and contact element hermetic is fixedly mounted on the inboard of disjunctor bonnet lower surface E; Sound diaphragm in the sound membrane element and disjunctor bonnet hermetic are fixed together, and have the gap, magnetic field between upper core in the sound membrane element and the lower core in the coil, and the formed space of cover cavity is a fully enclosed behind sound diaphragm and the disjunctor, is hedged off from the outer world; The sound cartridge unit is housed on the seam of disjunctor bonnet left end, and the sound cartridge unit is made up of sound cover and sound cylinder base, both faying faces mutually hermetic captive joint be integral.
As improvement of the present invention, be to captive joint between described disjunctor bonnet and the lower core by welding or riveted joint mode, reach the air-tightness requirement between the two; Rivet together by lower core upper surface blastic deformation mode between coil rack and the lower core; Sound cover and sound cylinder base are hermetic integrally welded by the ultrasonic welding mode; In contact element, the sectional area of two contact electrode is small one and large one; The way of contact of two contact electrode is facet and big plane contact or sphere and big plane contact, and the cross section of lower contact electrode is little.
As to further improvement of the present invention, behind sound diaphragm and disjunctor, be filled with nitrogen or unreactable gas in the formed space of cover cavity.
Because the bonnet of electric automobile horn of the present invention is the disjunctor bonnet, being air-tightness between lower core, contact element, sound membrane element and power connector and the disjunctor bonnet captives joint, this connection is non-removable, more can not become flexible to each other, relative positional accuracy between each parts all guarantees by the accuracy of manufacture and the assembly precision of parts, in actual use, need not artificial the adjustment and maintenance.The electric automobile horn of this spline structure, because formed space is a fully enclosed between sound film and the disjunctor bonnet, be isolated from the outside, upper core in the sound membrane element, contact element, coil, key components and parts such as lower core all are in this space, moisture content in the one side external world, pernicious gas and oxygen can not flow in this space, thereby can alleviate the oxidation corrosion of these components and parts to greatest extent, aging reaching worn and torn, on the other hand because the oxygen that has in this confined space is very limited, loudspeaker in use in the contact element two electrodes when moment contacts, can produce electro spark, nature will consume oxygen, after loudspeaker are through various detections before dispatching from the factory and test, the last oxygen in this space is not enough so that produce electro spark between two electrodes, thereby can effect a radical cure the chronic disease of electrode erosion.If when assembling, this confined space is carried out normal pressure nitrogen injection or unreactable gas, eliminates the better effects if of electrode erosion.Because the present invention improves contact element, change two interelectrode contact collocation modes, adopt small bore to contact or sphere and big plane contact mode with heavy in section, make electrode be difficult for carbon deposit in the course of the work, thereby further improve the reliability and the service life of electric automobile horn, make electric automobile horn reach non-maintaining effect, realize electric automobile horn and same life-span of automobile.
Description of drawings:
Fig. 1 is a structural representation of the present invention; Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is lower core, coil rack, the distribution graph of contact element in the disjunctor bonnet;
Fig. 4 is an A-A cutaway view among Fig. 3;
Fig. 5, Fig. 6 are the structural representation of coil rack, and wherein Fig. 6 is the birds-eye view of Fig. 5;
Fig. 7 is the structural representation behind the dismounting sound tube among Fig. 1;
Among the figure: 1-disjunctor bonnet; The bending of 11-sound film; 12-sound tube is installed seam; 13-gas delays indent; The 2-contact element; 21-preset screw; The 22-upper contact; The 23-lower contact; The 24-rivet; The 25-spring; The anti-sealing ring of transferring of 26-; The 27-upper bearing plate; The 28-insulcrete; The 29-lower reed plate; The 3-coil; The 4-coil rack; The last plane of 41-; The 42-fairlead; 43-electrode insulation seat; 44-contact element bench insulator; The public bench insulator of 45-; The 5-lower core; 51-is out of shape impression; The 6-power connector; 7-sound cartridge unit; 71-sound cover; 72-sound cylinder base; 8-sound membrane element; The 81-sound diaphragm; The 82-upper core;
Summary of the invention:
Below in conjunction with accompanying drawing the specific embodiment of the present invention is done following detailed description: of the present invention highly reliable, non-maintaining electric automobile horn is by lower core 5, disjunctor bonnet 1, coil 3, contact element 2, sound membrane element 8 and sound cartridge unit 7 are formed, on disjunctor bonnet 1, be provided with the iron core mounting hole, the coil mounting hole, gas delays indent 13, on attachment face E, be provided with the mounting hole of power connector 6 and the mounting hole of contact element 2, lower core 5 is hermetic captiveed joint by the riveted joint mode of interference fit with disjunctor bonnet 1 and is integral, coil 3 is wound on the coil rack 4, the conjunction of coil 3 and coil rack 4 is sleeved on the lower core 5, coil rack 4 and lower core 5 are captiveed joint by the mode that makes lower core 5 produce distortion impressions 51 and are integral, non-dismountable between the two, on plane 41 on the coil rack 4, be provided with fairlead 42, electrode insulation seat 43, contact element bench insulator 44 and public bench insulator 45; On the attachment face E of disjunctor bonnet 1 power connector 6 is housed hermetic, its point of connection is corresponding with electrode insulation seat 43 and public bench insulator 45; Contact element 2 hermetic is housed on the medial surface of attachment face E, contact element 2 is by preset screw 21, upper contact 22, lower contact 23, rivet 24, spring 25, the anti-sealing ring 26 of transferring, upper bearing plate 27, insulcrete 28, lower reed plate 29 is formed, upper contact 22 is fixedly mounted on the upper bearing plate 27, lower contact 23 is fixedly mounted on the lower reed plate 29, insulcrete 28 is between upper bearing plate 27 and lower reed plate 29, the three places on the public bench insulator 45 of coil rack 4, and hermetic be riveted into one by rivet 24 and disjunctor bonnet 1, the other end of upper bearing plate 27 is fixed on the disjunctor bonnet 1 by preset screw 21 with insulating, after regulating end, fill with sealant anti-the accent in the sealing ring 26, the sectional area of described upper contact 22 is big, and the sectional area of lower contact 23 is little; The way of contact of two contact electrode is that big plane contacts with sphere, and the sectional area of upper contact 22 is big; Sound diaphragm 81 in the sound membrane element 8 is riveted into one with disjunctor bonnet 1, to reach the air-tightness requirement between the two, gap, formed magnetic field is 0.8mm between upper core 82 in the sound membrane element 8 and the lower core 5, on the sound tube installation seam 12 of disjunctor bonnet 1 left end, sound cartridge unit 7 is installed, sound cartridge unit 7 is made up of sound cover 71 and sound cylinder base 72, adopts the plastic ultrasonic welding machine hermetic to fix both integrally welded.
Claims (3)
1, a kind of highly reliable, non-maintaining electric automobile horn, comprise bonnet, contact element (2), coil (3), coil rack (4), lower core (5), power connector (6), sound cartridge unit (7) and sound membrane element (8), coil (3) is wound on the coil rack (4), coil rack (4) is sleeved on the lower core (5), and place the lower core mounting hole of bonnet, on the E of the lower surface of bonnet, be provided with power connector (6), contact element (2) is housed in bonnet, it is characterized in that: described bonnet is disjunctor bonnet (1), be provided with the slow indent (13) of gas on disjunctor bonnet (1), lower core (5) is hermetic captiveed joint with disjunctor bonnet (1) and is integral; Coil rack (4) is captiveed joint with lower core (5) and is integral; Power connector (6) hermetic is contained on the lower surface E of disjunctor bonnet (1), and contact element (2) hermetic is fixedly mounted on the inboard of disjunctor bonnet (1) lower surface E; Sound diaphragm (81) in the sound membrane element (8) hermetic is fixed together with disjunctor bonnet (1), there is the gap, magnetic field between upper core (82) in the sound membrane element (8) and the lower core (5), sound diaphragm (81) is a fully enclosed with the formed space of disjunctor bonnet (1) inner chamber, is hedged off from the outer world; Install on the seam (11) at the sound tube of disjunctor bonnet (1) left end sound cartridge unit (7) is housed, sound cartridge unit (7) is made up of sound cover (71) and sound cylinder base (72), both faying faces mutually hermetic captive joint be integral.
2, highly reliable, non-maintaining electric automobile horn according to claim 1 is characterized in that: be to captive joint by welding or riveted joint mode between described disjunctor bonnet (1) and the lower core (5), reach the air-tightness requirement between the two; By lower core (5) upper surface blastic deformation impression 51 both are riveted together between coil rack (4) and the lower core (5); Sound cover (71) is hermetic integrally welded by the ultrasonic welding mode with sound cylinder base (72); In contact element (2), upper and lower two contact sectional areas are small one and large one; The way of contact of two contacts is facet and big plane contact or sphere and big plane contact, and the cross section of lower contact electrode is little.
3, according to claim 1,2 described highly reliable, non-maintaining electric automobile horns, it is characterized in that: behind sound diaphragm and disjunctor, be filled with nitrogen or unreactable gas in the formed space of cover cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101065715A CN100450824C (en) | 2003-12-09 | 2003-12-09 | High reliable and free of maintaining electric horn for cars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101065715A CN100450824C (en) | 2003-12-09 | 2003-12-09 | High reliable and free of maintaining electric horn for cars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626380A true CN1626380A (en) | 2005-06-15 |
| CN100450824C CN100450824C (en) | 2009-01-14 |
Family
ID=34757613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101065715A Expired - Fee Related CN100450824C (en) | 2003-12-09 | 2003-12-09 | High reliable and free of maintaining electric horn for cars |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100450824C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956605B (en) * | 2005-10-25 | 2011-12-07 | 上海实业交通电器有限公司 | Manufacturing method of screw-type klaxon |
| CN103065617A (en) * | 2012-12-30 | 2013-04-24 | 哈尔滨固泰电子有限责任公司 | Vehicle non-contact electronic speaker adopting ultrasonic welding technology |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102529803A (en) * | 2010-12-14 | 2012-07-04 | 上海方科汽车部件有限公司 | Floating loudspeaker mechanism for steering wheel |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4965837A (en) * | 1988-12-28 | 1990-10-23 | Pioneer Electronic Corporation | Environmentally resistant loudspeaker |
| CN2135889Y (en) * | 1992-09-07 | 1993-06-09 | 蔡明贵 | Improved loudspeaker structure |
| CN2226796Y (en) * | 1995-05-25 | 1996-05-08 | 关福安 | Electronic hooter for vehicle |
| JP2000032591A (en) * | 1998-07-10 | 2000-01-28 | Sony Corp | Loudspeaker and loudspeaker device |
| DE19911268C1 (en) * | 1999-03-13 | 2001-01-25 | Greness Entpr Co | Hi-fi loudspeaker has oscillation plate attached to top of loudspeaker coil fitted over central core of magnetic yoke |
| CN2420181Y (en) * | 2000-05-08 | 2001-02-21 | 马建华 | Digital electronic contactless car horn |
| CN2511081Y (en) * | 2001-10-26 | 2002-09-11 | 詹晏祯 | Combined louderspeaker structure |
| CN2670176Y (en) * | 2003-12-09 | 2005-01-12 | 徐福芳 | High-reliability and free-maintain electric horn of vehicle |
-
2003
- 2003-12-09 CN CNB2003101065715A patent/CN100450824C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956605B (en) * | 2005-10-25 | 2011-12-07 | 上海实业交通电器有限公司 | Manufacturing method of screw-type klaxon |
| CN103065617A (en) * | 2012-12-30 | 2013-04-24 | 哈尔滨固泰电子有限责任公司 | Vehicle non-contact electronic speaker adopting ultrasonic welding technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100450824C (en) | 2009-01-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU KAILING AUTO ELECTRIC APPLIANCES CO.,LTD. Free format text: FORMER OWNER: XU FUFANG Effective date: 20100406 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213255 NO.68, XIYANG XUJIA VILLAGE, JINTAN CITY, JIANGSU PROVINCE TO: 213200 NO.8, JINSHENG EAST ROAD, ECONOMIC DEVELOPMENT ZONE,JINTAN CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100406 Address after: 213200 No. 8 East Sheng Road, Jintan Economic Development Zone, Jiangsu, China Patentee after: Jiangsu Kailing Auto Electric Co., Ltd. Address before: 213255 Jintan City, Jiangsu Province Yang Xu Village No. 68 Patentee before: Xu Fufang |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20141209 |
|
| EXPY | Termination of patent right or utility model |