CN108284789A - A kind of life-increasing horn for automobile - Google Patents
A kind of life-increasing horn for automobile Download PDFInfo
- Publication number
- CN108284789A CN108284789A CN201810118732.9A CN201810118732A CN108284789A CN 108284789 A CN108284789 A CN 108284789A CN 201810118732 A CN201810118732 A CN 201810118732A CN 108284789 A CN108284789 A CN 108284789A
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- CN
- China
- Prior art keywords
- contact
- coil
- metal
- triode
- metallic support
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
- B60Q5/001—Switches therefor
- B60Q5/003—Switches therefor mounted on the steering wheel
-
- 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
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to a kind of life-increasing horn for automobile, including metal chassis, the centre of the metal chassis is connected with coil, the metal contact piece attracted after being powered by the coil is connected with above the coil, it is overlapped with insulating trip above the metal contact piece, it is overlapped with that there are the metallic supports of live metal contact with the metal contact piece above the insulating trip, it is connected with PCB above the metallic support, the PCB is equipped with coil driver, live metal contact is attracted by coil, contact is set constantly to open and close the energization and power-off of control coil, vibration is generated to control sound film, it makes a sound.The present invention substantially reduces the armature contact of mechanical horn by electric current, and the safety problem and life problems for preventing contact from causing by the excessive contact sparking of electric current, simple in structure, reliability is high.
Description
Technical field
The present invention relates to mechanical horn field, specifically a kind of life-increasing horn for automobile.
Background technology
Carry out control line frequently with mechanical contact frequently with traditional mechanical contact-type electric horn, loudspeaker on existing automobile
The break-make of loop current, at work due to loudspeaker, this contact are opened and closed at a high speed under high current, easily burn out the electric shock of loudspeaker with
And trigger switch so that the service life of loudspeaker is shorter, also there is larger hidden danger in quality.
The Chinese utility model patent of high security application《Mechanical circuit controlled horn》, Publication No. CN2450745, public affairs
It is 20010926 to open day, discloses a kind of mechanical horn control circuit, has used a field-effect tube and horn coil that can inhale
The mechanical contact of conjunction as field-effect tube gate pole control switch, although the purpose of the present invention can be reached, do not provide about
The connection type and mechanical structure realization method of steering wheel switch, and without using triode as high-power FET
Gate pole control mode, gate voltage are difficult to completely switched off, may cause field-effect tube that can not complete switch off to influence mechanical loudspeaker
Volume.
Invention content
Technical problem to be solved by the present invention lies in a kind of life-increasing horn for automobile is proposed, automobile mechanical loudspeaker is realized
Contact only by the electric current of very little, solves the problems, such as that the mechanical contact of high-power loudspeaker is flimsy.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of life-increasing horn for automobile, including metal chassis, the metal chassis are half opening cylindrical tube shape, the metal
The centre on chassis is equipped with coil brace by bolt, and coil is connected on the coil brace, is connected with above the coil
The metal contact piece that be attracted after being powered by the coil, is overlapped with insulating trip above the metal contact piece, on the insulating trip
Side is overlapped with the metal contact piece there are the metallic support of live metal contact, and the metallic support top is connected with PCB, institute
PCB is stated equipped with coil driver, the opening of the metal chassis is coated with one layer of sound film, the intermediate firmware of the sound film
The newel of magnetic material, the newel pass through the intermediate circular hole of the coil.
One end of the metal contact piece carries mounting hole, and the other end of the metal contact piece is columned tactile with protrusion
Point, the contact of the metal contact piece pass through the contact holes of described insulating trip one end, and the one end of the insulating trip far from contact holes has
One end of mounting hole, the metallic support has mounting hole, the metal contact piece, insulating trip, metallic support to be worn successively by bolt
It crosses corresponding mounting hole stacking to be serially connected, the centre of the metallic support is provided with columned contact and the metal contact piece
Contact formed a closed type contact switch.
The coil driver includes triode and field-effect tube, after the base stage of the triode is connected with second resistance
Connect the contact of the metal contact piece, the contact of the contact of the metallic support and the metal contact piece constitutes closed type contact and opens
It closes, one end of the contact portion steering wheel switch of the metallic support, the other end ground connection of the steering wheel switch, three pole
The emitter of pipe is connected with input power VIN, and the emitter of the triode is connected with after first resistor and the triode
Base stage is connected, and the emitter of the triode is also associated with one end of the coil, and the coil is far from the triode emission
One end of pole is connected to the source electrode of the field-effect tube, and the gate pole of the field-effect tube connects described three after being connected with 3rd resistor
The collector of pole pipe, the gate pole of the field-effect tube are grounded after being also associated with the 4th resistance, the grounded drain of the field-effect tube.
The triode is small-power NPN type triode, and it is suitable that the field-effect tube is selected according to the size of horn volume
The NMOS field-effect tube of power.
The contact of the metallic support constitutes the contact electricity of closed type contact switch (K1) with the contact of the metal contact piece
Stream is less than 1ma.
The beneficial effects of the invention are as follows：
The contact electric current very little of the mechanical horn of the present invention is less than 1ma, reduces the loss of contact, increase loudspeaker
Service life；Enhance the safety coefficient of product；It is simple in structure, reliable operation.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural exploded view of the present invention；
Fig. 2 is the installation effect figure of the present invention；
Fig. 3 is the armature contact structure chart of the present invention；
Fig. 4 is the coil driver figure of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, below it is right
The present invention is expanded on further.
Structural exploded view as shown in Figure 1 and installation effect figure shown in Fig. 2：
A kind of life-increasing horn for automobile, including metal chassis 1, the metal chassis 1 are half opening cylindrical tube shape, the gold
The centre for belonging to chassis 1 is equipped with coil brace 2 by bolt, is connected on the coil brace 2 on coil L1, the coil L1
Side is connected with the metal contact piece 3 that can be attracted after coil L1 energizations, and the top of the metal contact piece 3 is overlapped with insulating trip 4,
The lower section of the metal contact piece 3 is overlapped with the terminal plate 10 for contacting metal contact 3 and connection line, on the insulating trip 4
Side is overlapped with the metallic support 5 with the metal contact piece 3 there are live metal contact, and there is installation in one end of the metallic support 5
Hole is aligned with the mounting hole of the insulating trip 4 and the metal contact piece 3, and the other end of the metallic support 5 is equipped with plastics branch
Dagger 9 is supported, and 5 top of the metallic support is connected with PCB6, and the PCB6 is equipped with coil driver, the metal
The opening on chassis 1 is coated with one layer of sound film 8, the newel 7 of the affixed magnetic material in centre of the sound film 8, the center
Column 7 passes through the intermediate circular hole of the coil L1.
Armature contact structure chart as shown in Figure 3：
The metal contact piece 3 is elongated metal piece, and one end of the metal contact piece 3 carries mounting hole, and the metal touches
Columned contact of the other end of piece 3 with protrusion, the shape of the insulating trip 4 is identical as the metal contact piece 3, described exhausted
One end of embolium 4 with mounting hole and being aligned with the mounting hole of the metal contact piece 3, the insulating trip 4 far from mounting hole one
End has contact holes, the contact of the metal contact piece 3 to pass through the contact holes of 4 one end of the insulating trip, one end of the metallic support 5
There is mounting hole and is aligned with the mounting hole of the metal contact piece 3 and insulating trip 4, the metal contact piece 3, insulating trip 4, metallic support
5 correspond to mounting hole stacking by screw bolt passes is serially connected, the contact holes of the metallic support 5 and the insulating trip 4
Concentric position is provided with columned contact, and the contact of the metal contact piece 3 passes through insulating trip 4 and the metallic support 5
Contact combine, formed a normally closed switch contact K1, the contact of the metallic support 5 is fixed, the metal contact piece 3
Under the driving of the coil L1, moved downward by magnetic force attraction, the contact of the metal contact piece 3 simultaneously with the metallic support
5 contact disconnects, and under the action of the coil driver, the coil L1 power-off, loses magnetic force at this time, and the metal touches
Piece 3 restores to the original state, and the contact of the metal contact piece 3 is contacted with the contact of the metallic support 5 once more simultaneously.
Coil driver figure as shown in Figure 4：
The coil driver includes triode T1 and field-effect tube T2, and the base stage of the triode T1 is connected with second
The contact of the metal contact piece 3 is connected after resistance R2, the contact of the metallic support 5 and the contact of the metal contact piece 3 are constituted
Closed type contact switch K1, one end of the contact portion steering wheel switch K2 of the metallic support 5, the steering wheel switch K2's
The other end is grounded, and the emitter that the emitter of the triode T1 is connected with input power VIN, the triode T1 is connected with the
It is connected with the base stage of the triode T1 after one resistance R1, the emitter of the triode T1 is also associated with the one of the coil L1
End, the one end of the coil L1 far from the triode T1 emitters are connected to the source electrode of the field-effect tube T2, the field effect
Should the gate pole of pipe T2 be connected with the collector that the triode T1 is connected after 3rd resistor R3, the gate pole of the field-effect tube T2 is also
It is grounded after being connected with the 4th resistance R4, the grounded drain of the field-effect tube T2.
The triode T1 is small-power NPN type triode, and the field-effect tube T2 is selected according to the size of horn volume
The PMOS field-effect tube of appropriate power.
The course of work of the coil driver is as follows：
After the steering wheel switch K2 is connected, due to the normally closed switch K1 of the metal contact piece 3 and the composition of metallic support 5
Closed, the base earth of the triode T1, the triode T1 end at this time；
The gate pole ground connection of the field-effect tube T2 at this time, the field-effect tube T2 is pmos type pipe, therefore is connected at this time, even
Power supply is connected on to be powered with the direct coil L1 of the field-effect tube source electrode；
The coil L1 generates magnetic field after being powered, and first can attract the metal contact piece 3 to force it close to coil and disconnect
Hard contact, second can attract the non-magnetic center column 7 being installed among coil to move, and be driven by the newel 7 described
Sound film 8 moves；
After the closed type contact switch K1 i.e. live metal contact disconnect, the base stage of the triode T1 is applied in
Voltage, triode ON make the gate pole of the field-effect tube T2 be applied in forward conduction voltage, field-effect tube cut-off, coil L1
Dead electricity；
After the coil L1 dead electricity, the magnetic field that coil L1 is generated disappears, and the metal contact piece 3 restores to the original state, the sound film 8
The newel 7 is driven to restore to the original state, the contact of the metal contact piece 3 and the contact of the metallic support 5 are again switched on, and are repeated
Galvanization next time；
It is constantly contacted by hard contact and is disconnected, cause the magnetic field of coil L1 constantly to generate and disappear, described in driving
Newel 7 moves, and so that the constantly vibration of sound film 8 that newel 7 connects is generated sound, the present invention can touch metal by the way of
Between point in such a way that electric current is reduced to 1ma hereinafter, the contact compared to tradition machinery loudspeaker can be by high current, the present invention
The service life of contact can be greatly increased, and simple in structure, reliability is high.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (5)
1. a kind of life-increasing horn for automobile, including metal chassis (1), the metal chassis (1) is half opening cylindrical tube shape, special
Sign is：The centre of the metal chassis (1) is equipped with coil brace (2) by bolt, affixed wired on the coil brace
It encloses (L1), the metal contact piece (3) attracted after being powered by the coil (L1), the metal is connected with above the coil (L1)
It is overlapped with insulating trip (4) above contact (3), is overlapped with that there are activities with the metal contact piece (3) above the insulating trip (4)
The metallic support (5) of hard contact, metallic support (5) top are connected with PCB (6), and the PCB (6) is driven equipped with coil
Dynamic circuit, the opening of the metal chassis (1) are coated with one layer of sound film (8), the affixed material that is magnetic in centre of the sound film (8)
The newel (7) of material, the newel (7) pass through the intermediate circular hole of the coil (L1).
2. a kind of life-increasing horn for automobile according to claim 1, it is characterised in that：One end of the metal contact piece (3)
With mounting hole, the other end of the metal contact piece (3) with the columned contact of protrusion, touch by the metal contact piece (3)
For point across the contact holes of the insulating trip (4) one end, there are mounting hole, the gold in the one end of the insulating trip (4) far from contact holes
The one end for belonging to holder (5) has mounting hole, the metal contact piece (3), insulating trip (4), metallic support (5) to pass through screw bolt passes
Corresponding mounting hole stacking is serially connected, and the centre of the metallic support (5) is provided with columned contact and is touched with the metal
The contact of piece (3) forms a closed type contact switch (K1).
3. a kind of life-increasing horn for automobile according to claim 2, it is characterised in that：The coil driver includes three
Pole pipe (T1) and field-effect tube (T2), the base stage of the triode (T1), which is connected with second resistance (R2) and connects the metal afterwards, to be touched
The contact of piece (3), the contact of the metallic support (5) constitute closed type contact switch with the contact of the metal contact piece (3)
(K1), one end of the contact portion steering wheel switch (K2) of the metallic support (5), the other end of the steering wheel switch (K2)
Ground connection, the emitter of the triode (T1) are connected with input power VIN, and the emitter of the triode (T1) is connected with first
Resistance (R1) is connected with the base stage of the triode (T1) afterwards, and the emitter of the triode (T1) is also associated with the coil
(L1) one end, the one end of the coil (L1) far from the triode (T1) emitter are connected to the field-effect tube (T2)
The gate pole of source electrode, the field-effect tube (T2) is connected with the collector that 3rd resistor (R3) connects the triode (T1) afterwards, institute
The gate pole for stating field-effect tube (T2) is also associated with the 4th resistance (R4) and is grounded afterwards, the grounded drain of the field-effect tube (T2).
4. a kind of life-increasing horn for automobile according to claim 3, it is characterised in that：The triode (T1) is small-power
NPN type triode, the field-effect tube (T2) select the field-effect tube of appropriate power according to the size of horn volume.
5. a kind of life-increasing horn for automobile according to claim 3, it is characterised in that：The contact of the metallic support (5)
The pick-up current that closed type contact switch (K1) is constituted with the contact of the metal contact piece (3) is less than 1ma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118732.9A CN108284789A (en) | 2018-02-06 | 2018-02-06 | A kind of life-increasing horn for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118732.9A CN108284789A (en) | 2018-02-06 | 2018-02-06 | A kind of life-increasing horn for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284789A true CN108284789A (en) | 2018-07-17 |
Family
ID=62832526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118732.9A Pending CN108284789A (en) | 2018-02-06 | 2018-02-06 | A kind of life-increasing horn for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108284789A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677790A (en) * | 2019-10-23 | 2020-01-10 | 武汉皓梦源机械设备制造有限公司 | Automobile loudspeaker based on contact impedance reduction |
| CN110602612B (en) * | 2019-10-23 | 2020-11-17 | 宁波甜宝生物信息技术有限公司 | Automobile loudspeaker long in service life |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236202Y (en) * | 1995-01-09 | 1996-09-25 | 毛世伦 | D.C horn |
| CN2419662Y (en) * | 1999-06-18 | 2001-02-14 | 杨文孝 | Durable horns for vehicles or motorcycles |
| CN203932959U (en) * | 2014-06-11 | 2014-11-05 | 陈舒荻 | Power failure rear defence forgets to disconnect pass safety system |
| WO2014178456A1 (en) * | 2013-04-30 | 2014-11-06 | 대성전기공업 주식회사 | Vehicle siren |
| CN204390733U (en) * | 2015-01-07 | 2015-06-10 | 李国金 | A kind of electric automobile horn |
| CN208881683U (en) * | 2018-02-06 | 2019-05-21 | 安徽英之杰汽车科技有限公司 | A kind of life-increasing horn for automobile |
-
2018
- 2018-02-06 CN CN201810118732.9A patent/CN108284789A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236202Y (en) * | 1995-01-09 | 1996-09-25 | 毛世伦 | D.C horn |
| CN2419662Y (en) * | 1999-06-18 | 2001-02-14 | 杨文孝 | Durable horns for vehicles or motorcycles |
| WO2014178456A1 (en) * | 2013-04-30 | 2014-11-06 | 대성전기공업 주식회사 | Vehicle siren |
| CN203932959U (en) * | 2014-06-11 | 2014-11-05 | 陈舒荻 | Power failure rear defence forgets to disconnect pass safety system |
| CN204390733U (en) * | 2015-01-07 | 2015-06-10 | 李国金 | A kind of electric automobile horn |
| CN208881683U (en) * | 2018-02-06 | 2019-05-21 | 安徽英之杰汽车科技有限公司 | A kind of life-increasing horn for automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677790A (en) * | 2019-10-23 | 2020-01-10 | 武汉皓梦源机械设备制造有限公司 | Automobile loudspeaker based on contact impedance reduction |
| CN110602612B (en) * | 2019-10-23 | 2020-11-17 | 宁波甜宝生物信息技术有限公司 | Automobile loudspeaker long in service life |
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