CN202758605U - A multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats - Google Patents
A multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats Download PDFInfo
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- CN202758605U CN202758605U CN 201220493376 CN201220493376U CN202758605U CN 202758605 U CN202758605 U CN 202758605U CN 201220493376 CN201220493376 CN 201220493376 CN 201220493376 U CN201220493376 U CN 201220493376U CN 202758605 U CN202758605 U CN 202758605U
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Abstract
The utility model discloses a multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats. The explosion-proof electronic loudspeaker comprises a resonance cavity, a housing, electronic driving circuits disposed inside the resonance cavity, and an externally-connected cable. An integral device is formed by the resonance cavity, the housing package, and the electronic driving circuits. A riveting body of a sound generating spring and a movable iron core is disposed in the resonance cavity. A control circuit board is disposed at the upper part inside the resonance cavity. A magnetic induction coil fixed by a fixing screw is disposed outside and over the resonance cavity. The explosion-proof electronic loudspeaker is adapted to requirements of various different input voltages and various vehicle types. A lightning protection device guarantees the loudspeaker to normally operate under extremely severe environment. A square wave oscillating circuit of the circuit control portion is an intrinsically safe circuit. The electric driving circuits are connected with the sound generating portion in a contactless manner. The contactless connection prevents arc and achieves safe use. Such loudspeaker has characteristics of high sound intensity, high penetrating power, adjustable volume, beautiful appearance, and long service life. Holes and gaps on the driving circuit portion of the loudspeaker and the cavity of the loudspeaker are solidified by glue so as to form an explosion preventing and isolating enclosed mechanism. The explosion-proof electronic loudspeaker achieves a warning function and is the best choice for safe traveling of vehicles and boats.
Description
Technical field
The utility model relates to a kind of car and boat electronic horn, is specially a kind of many input voltages car and boat applicable to multiple vehicles such as electric motor car, motorcycle, large, medium and small automobile, mine car and steamers with serial non-contact explosion-proof electronic horn.
Background technology
Loudspeaker are very important for the effect of motor vehicles and steamer, it is the requisite alarming device of safe driving, traditional horn of motor vehicle mostly is contact paper film loudspeaker, in long-term practical process, easily cause the loss of device, simultaneously loudspeaker when large voltage because the excessive heating of electric current, can cause device failure, even can burn; Tone and volume adjusting, all be by transposing vibrating membrane material, change its hardness and regulate sound, demand for loudspeaker tone and volume can not be adjusted timely, if for adjustment, then need vibrating membrane is caused unnecessary waste, a large amount of coil in the loudspeaker simultaneously, caused coil power on can waste.
Develop rapidly along with society, the development of China's automotive field is very abundant, various motor vehicles emerge one after another, for adapting to various different automobile types needs, traditional loudspeaker are by transposing vibrating membrane material, change its hardness and adapt to electric motor car on the market, motorcycle, the demand of various model vehicles and steamer.
Therefore, a kind of national standard that meets is provided, and low-carbon environment-friendly, and the electric energy on device is low consumption, and loudspeaker can need not to change vibrating membrane and can realize that speaker sound is loud and clear according to the type of car and to the condition of volume, and noise is little, penetration power is extremely strong, good looking appearance, long-lived electronic horn has been a good problem to study.
Summary of the invention
In order to overcome above-mentioned the problems of the prior art, it is a kind of safe and reliable that the utility model provides, long service life, and the good many input voltages car and boat of sound effect are with serial non-contact explosion-proof loudspeaker.
The purpose of this utility model is achieved in that
A kind of many input voltages car and boat non-contact explosion-proof electronic horn, by resonator 1, shell 2 and be positioned at the electronic drive circuit of resonator 1, external cable and form is characterized in that: described resonator 1 and shell 2 encapsulation and being integrally formed of electronic drive circuit devices; Resonator 1 inside is provided with pronunciation shell fragment and moving iron core riveted body 3, and inner and upper is provided with control circuit board 4, and outside top is provided with the magnetic induction coil 5 of fixing by fixed screw 6;
Described electronic horn is integrated, resonator 1 and shell 2 bearings be provided with pronunciation shell fragment 7 and with the moving iron core 8 of pronunciation shell fragment 7 riveteds, pronunciation shell fragment 7 is setting up and down rubber sheet gasket;
Described electronic drive circuit comprises regulator rectifier circuit, square-wave oscillator circuit, amplification driving circuit three large essential parts, and other peripheral circuits;
The voltage input end of described electronic drive circuit is connected to anti-lightning strike device Z1;
Described regulator rectifier circuit comprises rectification circuit and mu balanced circuit, rectification circuit is by diode D1, D2, D3, D4 forms, and connects capacitor C 1 behind the rectification circuit, the unsettled AC signal that produces during the work of filtering automobile current generator, meet afterwards divider resistance R7, to adapt to different input voltages, voltage stabilizing diode D5 afterwards consists of mu balanced circuit;
Described square-wave oscillator circuit is by Waveform generating circuit, the waveform adjustment circuit, and voltage follower circuit forms;
Described Waveform generating circuit is by resistance R 1, R2, and R3, adjustable resistance R4, capacitor C 2 and integrated transporting discharging U1 form; The waveform adjustment circuit is by resistance R 5, adjustable resistance R6, and integrated transporting discharging U2 forms; Voltage follower circuit is comprised of integrated transporting discharging U3;
Described amplification driving circuit, Q1 consists of by metal-oxide-semiconductor, and the metal-oxide-semiconductor grid connects output end of oscillating circuit, the stream diode that continues between drain electrode and the power supply, horn coil is in parallel with fly-wheel diode;
By changing adjustable resistance R4 resistance, change the frequency of sound with the control tone, by changing the resistance of adjustable resistance R6, change dutycycle with the control volume;
Be connected to the PTC device in the electronic drive circuit, cause fire for preventing load short circuits.
Positive beneficial effect:1, the first order of power circuit is regulator rectifier circuit, can adapt to the requirement of multiple different input voltages, adapts to various, and anti-lightning strike device guarantees that loudspeaker also can work under extreme environment.2, the square-wave oscillator circuit of circuit control section is intrinsically safe circuit, and the motorized motions circuit is connected contactless connection with generating unit, and contactless connection is not struck sparks, and can adapt to such as mine, and the multiple extreme natural environment such as building site uses safer.3, the generation of loudspeaker part is structure as a whole with circuit part, is convenient to install.4, external cable is not distinguished polarity, the convenient use.5, this speaker sound intensity is large, and penetration power is extremely strong, and tonal volume is adjustable, and good looking appearance, and is durable in use.It is the only selection that the trip of various vehicles and ship safety reaches warning function.
The utility model relates to non-contact technology, by the magnetic effect of coil, drives the iron core vertical tremor, so that the pronunciation shell fragment does not contact with other parts of loudspeaker when vibrations, has reduced device loss.And owing to not having the contact, the situation of contact place's excessive heating of electric current even burning when yet having avoided loudspeaker to be operated in large voltage; These loudspeaker can directly adapt to the pronunciation shell fragment of various materials by the adjusting to circuit parameter, realize the sound effect of expecting; For adapting to various different automobile types needs, these loudspeaker have been realized the practical non-contact explosion-proof loudspeaker of the many moneys of complete series by internal circuit design, can adapt to the electric motor car on the market, motorcycle, various model vehicles and steamer etc., and because inner rectification circuit, so that extraneous cable needn't be distinguished polarity, the trouble when having reduced assembling.The utility model technology also at the anti-lightning strike module device of power input access in parallel, not only when adapting to various vehicles, also can be resisted various extraneous undesirable elements, guarantees normal operation; These loudspeaker are realized sounding by square wave pulse control driving tube break-make, have reduced the power consumption on the device, have also reduced the electric energy loss on the horn coil, when indices is up to state standards, have adapted to the requirement of New Times low-carbon environment-friendly; This speaker sound is loud and clear, and noise is little, and penetration power is extremely strong, and good looking appearance is durable in use, is the first-selection of motor vehicle safety trip.
Description of drawings
Fig. 1 is structural representation one of the present utility model;
Fig. 2 is the front elevation of external structure of the present utility model;
Fig. 3 is the vertical view of external structure of the present utility model;
Fig. 4 is the front elevation of pronunciation shell fragment and moving iron core riveted body;
Fig. 5 is the vertical view of pronunciation shell fragment and moving iron core riveted body;
Fig. 6 is circuit theory diagrams of the present utility model;
Among the figure be: resonator 1, shell 2, pronunciation shell fragment and moving iron core riveted body 3, control circuit board 4, fixed screw 6, pronunciation shell fragment 7, moving iron core 8.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of many input voltages car and boat non-contact explosion-proof electronic horn, by resonator 1, shell 2 and be positioned at the electronic drive circuit of resonator 1, external cable and form described resonator 1 and shell 2 encapsulation and being integrally formed of electronic drive circuit devices; Resonator 1 inside is provided with pronunciation shell fragment and moving iron core riveted body 3, and inner and upper is provided with control circuit board 4, and outside top is provided with the magnetic induction coil 5 of fixing by fixed screw 6; Dash area in the loudspeaker cavity among Fig. 1 is the rubber seal processing section;
Such as Fig. 4, shown in Figure 5, described electronic horn is integrated, resonator 1 and shell 2 bearings be provided with pronunciation shell fragment 7 and with the moving iron core 8 of pronunciation shell fragment 7 riveteds, pronunciation shell fragment 7 is setting up and down rubber sheet gasket;
Described electronic drive circuit comprises regulator rectifier circuit, square-wave oscillator circuit, amplification driving circuit three large essential parts, and other peripheral circuits;
The voltage input end of described electronic drive circuit is connected to anti-lightning strike device Z1, prevents because thunderbolt damages related device, can prevent that also the voltage signal of instantaneous variation from affecting the operation of circuit simultaneously;
Described regulator rectifier circuit comprises rectification circuit and mu balanced circuit, rectification circuit is by diode D1, D2, D3, D4 forms, and connects capacitor C 1 behind the rectification circuit, the unsettled AC signal that produces during the work of filtering automobile current generator, meet afterwards divider resistance R7, to adapt to different input voltages, voltage stabilizing diode D5 afterwards consists of mu balanced circuit; Be drive circuitry, select the suitable model of regulator rectifier circuit parameter during use, to adapt to the voltage request of different vehicle;
Diode D1 in the rectification circuit, D2, D3, D4 can prevent effectively that power supply from connecing instead, needn't consider polarity when that is to say external power supply;
Described square-wave oscillator circuit is by Waveform generating circuit, the waveform adjustment circuit, and voltage follower circuit forms;
Described Waveform generating circuit is by resistance R 1, R2, and R3, adjustable resistance R4, capacitor C 2 and integrated transporting discharging U1 form; The waveform adjustment circuit is by resistance R 5, adjustable resistance R6, and integrated transporting discharging U2 forms; Voltage follower circuit is comprised of integrated transporting discharging U3;
Described amplification driving circuit, Q1 consists of by metal-oxide-semiconductor, and the metal-oxide-semiconductor grid connects output end of oscillating circuit, the stream diode that continues between drain electrode and the power supply, horn coil is in parallel with fly-wheel diode; Realize different voltage inputs and produced different volume effects;
By changing adjustable resistance R4 resistance, change the frequency of sound with the control tone, by changing the resistance of adjustable resistance R6, change dutycycle with the control volume;
J1 is switch, when switch is pressed, and sound horn;
Be connected to the PTC device in the electronic drive circuit, cause fire for preventing load short circuits.
According to the difference of external power supply, the parameter of regulator rectifier circuit is also slightly different.Regulator rectifier circuit is by diode D1, D2, D3, D4 forms rectifier bridge, can prevent the external power supply reverse polarity connection, prevent from burning out device, filter capacitor C1, the filtering out of the unsettled power supply signal that motor car engine can be produced, guarantee the amplitude stability of voltage, the voltage stabilizing part is made of stabilivolt D5, makes voltage stabilization in certain numerical value, for control circuit provides power supply.
Because these serial loudspeaker can adapt to multiple input direct voltage, such as 12V, 24V, 50V, 100V, 150V, 200V, 250V, 300V etc. by connect the divider resistance of different resistances after current rectifying and wave filtering circuit, make the voltage of the stable output of stabilivolt special value.Because it is multiple that input voltage has, and the environment of loudspeaker work can not guarantee complete ideal, so at the access power end, anti-lightning strike module device Z1 in parallel prevents inclement weather, extraneous factor affect loudspeaker and works.
The technical characterstic of Waveform generating circuit is: take integrated transporting discharging U1A as main (such as LM358N), by with resistance R 1, R2, R3, adjustable resistance R4, the connecting to form of capacitor C 2, its output terminal 1 pin is connected to the negative input end that is integrated in a U1B on the integrated circuit with U1A.
The technical characterstic of waveform adjustment circuit is: take integrated transporting discharging U1B as main, by resistance R 5, adjustable resistance R6 consists of voltage comparator circuit, changes reference voltage by the adjusting to the R6 resistance, realizes regulating waveform duty cycle.Its output terminal is connected to the positive input terminal of another IC, consists of voltage follower circuit.
The technical characterstic of voltage follower circuit is: consist of as main take integrated transporting discharging U2A, by to the following of input voltage, open with load isolation, prevent that load parameter is different, affect circuit and export.
According to said structure, the technical characterstic of amplification output circuit is: take metal-oxide-semiconductor IRF740 as main, the grid of IRF740 fetches the input voltage from U2A, the stream diode continues between drain electrode and the power supply, horn coil is connected with fly-wheel diode, such structure can make the electric energy Spontaneous release that is stored in the coil after the outage fall, and can not cause the infringement to metal-oxide-semiconductor.
The utility model relates to non-contact technology, by the magnetic effect of coil, drives the iron core vertical tremor, so that the pronunciation shell fragment does not contact with other parts of loudspeaker when vibrations, has reduced device loss.And owing to not having the contact, the situation of contact place's excessive heating of electric current even burning when yet having avoided loudspeaker to be operated in large voltage; These loudspeaker can directly adapt to the pronunciation shell fragment of various materials by the adjusting to circuit parameter, realize the sound effect of expecting; For adapting to various different automobile types needs, these loudspeaker have been realized the practical non-contact explosion-proof loudspeaker of the many moneys of complete series by internal circuit design, can adapt to the electric motor car on the market, motorcycle, various model vehicles etc., and because inner rectification circuit, so that extraneous cable needn't be distinguished polarity, the trouble when having reduced assembling.The utility model technology also at the anti-lightning strike module device of power input access in parallel, not only when adapting to various vehicles, also can be resisted various extraneous undesirable elements, guarantees normal operation; These loudspeaker are realized sounding by square wave pulse control driving tube break-make, have reduced the power consumption on the device, have also reduced the electric energy loss on the horn coil, when indices is up to state standards, have adapted to the requirement of New Times low-carbon environment-friendly; This speaker sound is loud and clear, and noise is little, and penetration power is extremely strong, and good looking appearance is durable in use, is the first-selection of motor vehicle safety trip.
Above embodiment only is used for illustrating preferred implementation of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken that described field those of ordinary skill possesses; any modification of doing within spirit of the present utility model and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the utility model asks for protection.
Claims (10)
1. the non-contact explosion-proof electronic horn of input voltage car and boat more than a kind, by resonator (1), shell (2) and be positioned at the electronic drive circuit of resonator (1), external cable and form is characterized in that: described resonator (1) and shell (2) encapsulation and being integrally formed of electronic drive circuit device; Resonator (1) inside is provided with pronunciation shell fragment and moving iron core riveted body (3), and inner and upper is provided with control circuit board (4), and outside top is provided with by the fixing magnetic induction coil (5) of fixed screw (6).
2. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 1, it is characterized in that: described electronic horn is integrated, resonator (1) and shell (2) bearing be provided with pronunciation shell fragment (7) and with the moving iron core (8) of pronunciation shell fragment (7) riveted, pronunciation shell fragment (7) is setting up and down rubber sheet gasket.
3. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 1, it is characterized in that: described electronic drive circuit comprises regulator rectifier circuit, square-wave oscillator circuit, amplification driving circuit three large essential parts, and other peripheral circuits.
4. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 3, it is characterized in that: the voltage input end of described electronic drive circuit is connected to anti-lightning strike device Z1.
5. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 3, it is characterized in that: described regulator rectifier circuit comprises rectification circuit and mu balanced circuit, rectification circuit is by diode D1, D2, D3, D4 forms, connect capacitor C 1 behind the rectification circuit, the unsettled AC signal that produces during the work of filtering automobile current generator meets divider resistance R7 afterwards, to adapt to different input voltages, voltage stabilizing diode D5 afterwards consists of mu balanced circuit.
6. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 3 is characterized in that: described square-wave oscillator circuit is by Waveform generating circuit, the waveform adjustment circuit, and voltage follower circuit forms.
7. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 6 is characterized in that: described Waveform generating circuit is by resistance R 1, R2, and R3, adjustable resistance R4, capacitor C 2 and integrated transporting discharging U1A form; The waveform adjustment circuit is by resistance R 5, adjustable resistance R6, and integrated transporting discharging U1B forms; Voltage follower circuit is comprised of integrated transporting discharging U2A.
8. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 3, it is characterized in that: described amplification driving circuit, Q1 consists of by metal-oxide-semiconductor, the metal-oxide-semiconductor grid connects output end of oscillating circuit, the stream diode that continues between drain electrode and the power supply, horn coil is in parallel with fly-wheel diode.
9. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 7, it is characterized in that: by changing adjustable resistance R4 resistance, change the frequency of sound with the control tone, by changing the resistance of adjustable resistance R6, change dutycycle with the control volume.
10. a kind of many input voltages car and boat non-contact explosion-proof electronic horn according to claim 1 is characterized in that: be connected to the PTC device in the electronic drive circuit, cause fire for preventing load short circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493376 CN202758605U (en) | 2012-09-26 | 2012-09-26 | A multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220493376 CN202758605U (en) | 2012-09-26 | 2012-09-26 | A multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats |
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| Publication Number | Publication Date |
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| CN202758605U true CN202758605U (en) | 2013-02-27 |
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| CN 201220493376 Expired - Fee Related CN202758605U (en) | 2012-09-26 | 2012-09-26 | A multi-input-voltage contactless explosion-proof electronic loudspeaker used for vehicles and boats |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778943A (en) * | 2014-01-13 | 2015-07-15 | 严国嶂 | Improved mining explosion-proof electronic horn |
-
2012
- 2012-09-26 CN CN 201220493376 patent/CN202758605U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104778943A (en) * | 2014-01-13 | 2015-07-15 | 严国嶂 | Improved mining explosion-proof electronic horn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: LV ZONGWANG Effective date: 20140916 Owner name: LV ZONGWANG Free format text: FORMER OWNER: BI SHENG Effective date: 20140916 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Zongwang Inventor after: Sun Fuyan Inventor after: Wang Yahui Inventor after: Xu Wuyuan Inventor after: Zhen Qiang Inventor after: Sun Yingbo Inventor before: Lv Zongwang Inventor before: Bi Sheng Inventor before: Wang Yahui Inventor before: Xu Wuyuan |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 044000 YUNCHENG, SHAANXI PROVINCE TO: 450001 ZHENGZHOU, HENAN PROVINCE Free format text: CORRECT: INVENTOR; FROM: LV ZONGWANG BI SHENG WANG YAHUI XU WUYUAN TO: LV ZONGWANG SUN FUYAN WANG YAHUI XU WUYUAN ZHEN QIANG SUN YINGBO |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140916 Address after: 450001 Zhengzhou high tech Zone, Lianhua street,, No. 100, Henan University of Technology Patentee after: Lv Zongwang Address before: 044000 Shanxi city of Yuncheng province Beihai Lu Village Street Garden Patentee before: Bi Sheng Patentee before: Lv Zongwang |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150926 |
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| EXPY | Termination of patent right or utility model |