CN201509296U - Sound pressure control device for automobile horn - Google Patents
Sound pressure control device for automobile horn Download PDFInfo
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- CN201509296U CN201509296U CN2009201949526U CN200920194952U CN201509296U CN 201509296 U CN201509296 U CN 201509296U CN 2009201949526 U CN2009201949526 U CN 2009201949526U CN 200920194952 U CN200920194952 U CN 200920194952U CN 201509296 U CN201509296 U CN 201509296U
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Abstract
The utility model discloses a sound pressure control device for an automobile horn, which comprises an acquisition unit for acquiring a sound pressure control signal, a first grade unit connected with the acquisition unit, a second grade unit connected with the first grade unit and a channel output unit connected with the second grade unit; the sound pressure control signal comprises an environmental noise signal, an automobile speed signal and an operation accelerated speed signal; the first grade unit is used for determining the grade of each signal in the sound pressure control signal according to the dimension of each signal in the sound pressure control signal acquired by the acquisition unit; the second grade unit is used for determining the grade of a sound pressure channel corresponding to the grade of each signal in the sound pressure signal determined by the first grade unit according to a logical control relation between the grade of each signal in the preset sound pressure control signal and the grade of the sound pressure channel output by the automobile horn; and the channel output unit is used for selecting the sound volume of the automobile horn output by the corresponding sound pressure channel according to the grade of the sound pressure channel determined by the second grade unit. The utility model can cause the automobile horn to intelligently sound.
Description
Technical field
The utility model relates to automotive field, specifically, relates to a kind of sound pressure of loudspeaker of automobile control device.
Background technology
Along with developing rapidly of modern economy, people's life is pursuing individualityization, diversification more also, and automobile also must be complied with development of times as modern's daily tool using.Car horn is a kind of indispensable emergent active safety measure of automobile, many times can in time remind pedestrian and vehicle, thus the generation that avoids traffic accident.
Existing car horn has generally adopted the output of high strength sound equipment, and has only set a kind of intensity, be that loudspeaker have only a kind of volume, can not be according to the volume of different occasion control loudspeaker, the defective of this single big volume, frighten passerby etc. sometimes, bring beyond thought serious consequence.In order to overcome this defective, can adopt the multitone horn technology, existing multitone horn technology mainly contains two kinds of schemes, the first: increase loudspeaker and other audible devices, can cause the rising of cost and weight like this, and the acoustic pressure of each loudspeaker output still is only; It two is: adopt piezoelectric transducer to produce signal, then signal is directly amplified output; This processing mode, the working condition of loudspeaker is controlled in the switching of simple dependence horn switch, and the audio frequency that loudspeaker take place can change with the unstable height that occur of the dynamics of setting about applying, the easy strange sound of generation, even do not have sound at all.Therefore, how car horn realizes human oriented design, intelligent pronunciation, is a problem demanding prompt solution.
The utility model content
Problem to be solved in the utility model is, a kind of sound pressure of loudspeaker of automobile control device is provided, and under the prerequisite that does not increase loudspeaker quantity, makes car horn carry out intellectualized pronunciation according to environment and vehicle speed condition.
In order to address the above problem, the utility model embodiment provides a kind of sound pressure of loudspeaker of automobile control device, and this device comprises:
Gather the collecting unit of sound press control signal, described sound press control signal comprises environmental noise signal, vehicle speed signal and operation acceleration signal;
First level units that links to each other with described collecting unit, its size according to each signal in the sound press control signal of described collecting unit collection is determined the rank of each signal in the described sound press control signal;
The second level unit that links to each other with described first level units, it determines the pairing sound press passage of the rank rank of each signal in the definite sound press control signal of described first level units according to the rank of each signal in the sound press control signal that presets and other logic control relation of sound press channel level of car horn volume output;
The passage output unit that links to each other with described second level, the sound press passage rank that it is determined according to described second level unit is selected corresponding sound press passage output car horn volume.
The utility model embodiment passes through to gather the signal of environmental noise, the speed of a motor vehicle and operation acceleration as the sound press control signal, the sound press passage of logic control car horn volume output, solve the loudspeaker noise agitation pedestrian of closely ringing, and in quick noisy environment, be difficult to remind problem such as pedestrian, realize that car horn carries out intellectualized pronunciation according to environment and vehicle speed condition, simultaneously, do not increase loudspeaker quantity, control cost and weight, realized the hommization of design.
Description of drawings
Fig. 1 is the structural representation of the embodiment of sound pressure of loudspeaker of automobile control device of the present utility model;
Fig. 2 is the internal structure schematic diagram of the embodiment of sound pressure of loudspeaker of automobile control device of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, be the structural representation of the embodiment of sound pressure of loudspeaker of automobile control device of the present utility model; As shown in Figure 1, described device 10 comprises: collecting unit 102, the first level units 103, second level unit 104 and passage output unit 105.
Described collecting unit 102 is used to gather the sound press control signal, and described sound press control signal comprises environmental noise signal, vehicle speed signal and operation acceleration signal; In the specific implementation, described environmental noise signal, vehicle speed signal and operation acceleration signal detect by three sensing devices (as transducer) respectively, sensing device is with the signal electrical signal form that detects then, difference output environment noise signal, vehicle speed signal and operation acceleration signal, described collecting unit 102 is gathered each above-mentioned signal, and with each signal of its collection as the sound press control signal.
Described first level units 103 links to each other with described collecting unit 102, and the size that is used for each signal of sound press control signal of collecting according to described collecting unit 102 is determined the rank of each signal in the described sound press control signal;
Described second level unit 104, link to each other with described first level units 103, be used for according to the rank of each signal of sound press control signal of presetting and other logic control relation of sound press channel level of car horn volume output, determine the pairing sound press passage of the rank rank of each signal in the definite sound press control signal of described first level units 103;
Described passage output unit 105, link to each other with described second level unit 104, be used for the sound press passage rank determined according to described second level unit 104, select corresponding sound press passage output car horn volume, wherein, at least comprise two sound press passages, each sound press passage can drive loudspeaker and export a kind of definite car horn volume.In the specific implementation, described passage output unit 105 drives sound horn with the sound press of described definite sound press passage.
Further referring to Fig. 1, described sound pressure of loudspeaker of automobile control device also comprises: trigger element 101, setup unit 106 and memory cell 107.
Described trigger element 101 links to each other with described collecting unit 102, is used to receive horn switch actuating signal (as closure signal), triggers described collecting unit 102 and carries out the collection of sound press control signal.
Described setup unit 106 links to each other with described second level unit 104 with described first level units 103 respectively, is used for preestablishing the rank of described each signal of sound press control signal and the scope of the pairing signal magnitude of described rank;
And the rank that preestablishes described sound press passage, the corresponding unique sound press passage of a described sound press passage rank;
And other logic control relation of sound press channel level of setting each signal rank and car horn volume output in the described sound press control signal.Described logic control relation is: any environmental noise signal rank in the sound press control signal, any vehicle speed signal rank are corresponding with a kind of sound press passage rank with any other combination of operation acceleration signal level.
In the specific implementation, described setup unit 106 can be made as the rank of each signal in the described sound press control signal a plurality of, the signal magnitude scope that each rank is corresponding different, such as: described environmental noise signal is divided into 1,2,3 three rank, the signal magnitude scope of rank 1 correspondence is: 0-50dB, rank 2 pairing signal magnitude scopes are: 50-85dB, and the signal magnitude scope of rank 3 correspondences is: 85+dB (promptly more than or equal to 85dB); In like manner, can carry out the setting of the scope of rank and rank correspondence to described vehicle speed signal and operation acceleration signal according to actual conditions.In addition, can with the grade setting of described sound press passage two or more also, such as being set at 1,2,3 three ranks, at this moment, the corresponding sound press value of each rank, sound press as rank 1 a corresponding 9V, rank 2 corresponding 12V sound press, the sound press of rank 3 corresponding 14.5V, and the corresponding unique sound press passage of the rank of each sound press passage, described passage output unit 105 is determined a unique sound press channels drive sound horn according to the sound press passage rank of determining, as, when described second level unit 104 determines that described sound press passage rank is rank 1, described passage output unit 105 is determined rank 1 pairing sound press passage thus, afterwards, drives sound horn with the sound press of the 9V of this sound press passage correspondence.
Described memory cell 107 links to each other with described second level unit 104 with described first level units 103 respectively, is used for storing other logic control relation of sound press channel level of described each signal rank of the sound press control signal that presets and the output of car horn volume.Described logic control relation is: any environmental noise signal rank in the sound press control signal, any vehicle speed signal rank are corresponding with a kind of sound press passage rank with any other combination of operation acceleration signal level.
In the specific implementation, the form that other logic control relation of sound press channel level of each signal rank and car horn volume output can the logic control relation table in the described sound press control signal is stored.Following table is an embodiment of described logic control relation table:
Table one: other logic control relation table of sound press control signal rank and sound press channel level
An embodiment of other logic control relation table of sound press channel level of rank that last table is each signal in the described sound press control signal and the output of car horn volume is described as follows:
The logic control condition is: the sound press control signal comprises vehicle speed signal, environmental noise signal, operation acceleration signal;
According to practical situations, by described setup unit 106, preestablish the rank and the pairing signal magnitude scope of each rank of each signal in the described sound press control signal, and the rank that preestablishes the sound press passage.As above show, the grade setting of vehicle speed signal is: rank 1:0-20km/h, rank 2:20-70km/h, rank 3:70+km/h; The grade setting of environmental noise signal is: rank 1:0-50dB, rank 2:50-85dB, rank 3:85+dB; The grade setting of operation acceleration signal is: rank 1:0-12.2mm/s
2, rank 2:12.2+mm/s
2Sound press passage rank is set at: rank 1:9V, rank 2:12V, rank 3:14.5V; Correspond respectively to the basic, normal, high sound that loudspeaker send.
Be understandable that above-mentioned various settings only for for example, can similarly be set in other application scenario, as changing the pairing rank of each signal or passage, perhaps revise the scope of the pairing numerical value of each rank, do not give unnecessary details at this.
In the specific implementation, each formant working condition of the sound press control device of described car horn is:
Described collecting unit 102 at first carries out the collection of described sound press control signal, each signal magnitude that collects is corresponded in the above-mentioned logic control table, as the environmental noise signal magnitude is 20dB as described in collecting, described vehicle speed signal size is 25km/h, and described operation acceleration signal size is 10mm/s
2
Described first level units 103 that links to each other with described collecting unit 102, the size of each signal is determined the rank of each signal in the described sound press control signal in the sound press control signal of gathering according to described collecting unit 102; That is, described first level units 103 determines that the above-mentioned environmental noise signal that collects is a rank 1, and described vehicle speed signal is a rank 2, and described operation acceleration signal is a rank 1.
The described second level unit 104 that links to each other with described first level units 103, be used for according to the rank of each signal of sound press control signal of presetting and other logic control relation of sound press channel level of car horn volume output, determine the pairing sound press passage of the rank rank of each signal in the definite sound press control signal of described first level units 103; The logic control condition of this moment is: vehicle speed signal is a rank 2, the environmental noise signal is a rank 1, the operation acceleration is a rank 1, referring to above-mentioned logic control table, other combination of level of environmental noise signal rank in such cases, vehicle speed signal rank and operation acceleration, the sound press passage rank of determining is 1, and promptly described second level unit 104 determines that this moment, sound press passage rank was 1.
The described passage output unit 105 that links to each other with described second level unit 104, the sound press passage rank of determining according to described second level unit 104 1, the sound press of determining the sound press passage of described car horn volume output is 9V, afterwards, described passage output unit 105 drives the amount of bass that loudspeaker send correspondence with the sound press of 9V.
Each cell operation situation can not repeat them here with reference to above-mentioned situation under other situations.
The signal that the utility model embodiment passes through to gather environmental noise, the speed of a motor vehicle and operation acceleration is as the sound press control signal, and the sound press passage of logic control car horn volume output realizes that car horn carries out intellectualized pronunciation according to environment and vehicle speed condition.
Referring to Fig. 2, be the internal structure schematic diagram of the embodiment of sound pressure of loudspeaker of automobile control device of the present utility model; As shown in Figure 2, dotted portion 10 is promptly represented the internal structure of described sound pressure of loudspeaker of automobile control device.
In the specific implementation, the sensing device that described first sensor, second transducer and the 3rd transducer promptly are in the foregoing description to be mentioned, it is respectively applied for testing environment noise signal, vehicle speed signal and operation acceleration signal, and exports each signal to described sound pressure of loudspeaker of automobile control device with the form of the signal of telecommunication.
Described sound pressure of loudspeaker of automobile control device 10 can be the embodiment of device shown in Figure 1, and its internal structure comprises control chip and a plurality of relay further referring to Fig. 2.
In the specific implementation, described control chip can be integrated circuit, or single-chip microcomputer, described collecting unit 102, first level units 103 and second level unit 104 corresponding embodiment illustrated in fig. 1, and corresponding stored unit 107 and setup unit 106, the circuit that described a plurality of relay and continuous resistance are formed, described passage output unit 105 corresponding embodiment illustrated in fig. 1 is used for determining the sound press output of each sound press passage.Further, described sound pressure of loudspeaker of automobile control device 10 also comprises horn switch (relation is not shown among the figure), the described trigger element 101 that it is corresponding embodiment illustrated in fig. 1.
The utility model embodiment passes through to gather the signal of environmental noise, the speed of a motor vehicle and operation acceleration as the sound press control signal, the sound press passage of logic control car horn volume output, solve the loudspeaker noise agitation pedestrian of closely ringing, and in quick noisy environment, be difficult to remind problem such as pedestrian, realize that car horn carries out intellectualized pronunciation according to environment and vehicle speed condition, simultaneously, do not increase loudspeaker quantity, control cost and weight, realized the hommization of design.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (6)
1. a sound pressure of loudspeaker of automobile control device is characterized in that, comprising:
Gather the collecting unit of sound press control signal, described sound press control signal comprises environmental noise signal, vehicle speed signal and operation acceleration signal;
First level units that links to each other with described collecting unit, its size according to each signal in the sound press control signal of described collecting unit collection is determined the rank of each signal in the described sound press control signal;
The second level unit that links to each other with described first level units, it determines the pairing sound press passage of the rank rank of each signal in the definite sound press control signal of described first level units according to the rank of each signal in the sound press control signal that presets and other logic control relation of sound press channel level of car horn volume output;
The passage output unit that links to each other with described second level, the sound press passage rank that it is determined according to described second level unit is selected corresponding sound press passage output car horn volume.
2. device as claimed in claim 1 is characterized in that, also comprises:
Trigger element, described trigger element links to each other with described collecting unit, and it receives the horn switch actuating signal, triggers the collection that described collecting unit carries out the sound press control signal.
3. device as claimed in claim 1 or 2 is characterized in that, also comprises:
Memory cell, described memory cell link to each other with described second level unit with described first level units respectively, other logic control relation of sound press channel level of each signal rank and the output of car horn volume in the described sound press control signal that presets of its storage.
4. device as claimed in claim 1 or 2 is characterized in that, also comprises:
Setup unit, described setup unit link to each other with described second level unit with described first level units respectively, and it preestablishes the rank of each signal in the described sound press control signal and the scope of the pairing signal magnitude of described rank;
And the rank that preestablishes described sound press passage, the corresponding unique sound press passage of a described sound press passage rank;
And other logic control relation of sound press channel level of setting each signal rank and car horn volume output in the described sound press control signal.
5. device as claimed in claim 4 is characterized in that, other logic control relation of sound press channel level of each signal rank and car horn volume output is in the described sound press control signal:
Any environmental noise signal rank in the described sound press control signal, any vehicle speed signal rank are corresponding with a kind of sound press passage rank with any other combination of operation acceleration signal level.
6. device as claimed in claim 5 is characterized in that:
Described car horn volume output comprises two sound press passages at least, the corresponding unique sound press passage of a described sound press passage rank, and each sound press passage can drive loudspeaker and export a kind of car horn volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201949526U CN201509296U (en) | 2009-09-18 | 2009-09-18 | Sound pressure control device for automobile horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201949526U CN201509296U (en) | 2009-09-18 | 2009-09-18 | Sound pressure control device for automobile horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201509296U true CN201509296U (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009201949526U Expired - Lifetime CN201509296U (en) | 2009-09-18 | 2009-09-18 | Sound pressure control device for automobile horn |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192060A (en) * | 2014-09-01 | 2014-12-10 | 联想(北京)有限公司 | Audio signal processing method applied to vehicle and vehicle |
| CN106162440A (en) * | 2016-07-22 | 2016-11-23 | 武汉理工大学 | Intelligent horn controller |
| CN106218498A (en) * | 2016-08-23 | 2016-12-14 | 北京新能源汽车股份有限公司 | The voice prompt method to set up of electric automobile and device |
-
2009
- 2009-09-18 CN CN2009201949526U patent/CN201509296U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104192060A (en) * | 2014-09-01 | 2014-12-10 | 联想(北京)有限公司 | Audio signal processing method applied to vehicle and vehicle |
| CN106162440A (en) * | 2016-07-22 | 2016-11-23 | 武汉理工大学 | Intelligent horn controller |
| CN106218498A (en) * | 2016-08-23 | 2016-12-14 | 北京新能源汽车股份有限公司 | The voice prompt method to set up of electric automobile and device |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20100616 |