CN206892215U - The detection means of onboard instruments buzzer - Google Patents
The detection means of onboard instruments buzzer Download PDFInfo
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- CN206892215U CN206892215U CN201720548239.1U CN201720548239U CN206892215U CN 206892215 U CN206892215 U CN 206892215U CN 201720548239 U CN201720548239 U CN 201720548239U CN 206892215 U CN206892215 U CN 206892215U
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- electric signal
- signal
- buzzer
- detection means
- onboard instruments
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Abstract
The utility model provides a kind of detection means of onboard instruments buzzer, including：Electric signal securing component, it is connected with the drive circuit of onboard instruments buzzer, for obtaining the driving electric signal of the drive circuit output；Electric signal processing component, it is connected with the electric signal securing component, for handling the driving electric signal, to obtain the signal characteristic of the driving electric signal, the audio signal that the signal characteristic is sent with buzzer is one-to-one corresponding.The detection means of onboard instruments buzzer provided by the utility model can be reduced to be carried out testing required fund input to buzzer, reduces automobile making cost.
Description
Technical field
It the utility model is related to instrument buzzer detection technique, more particularly to a kind of detection dress of onboard instruments buzzer
Put.
Background technology
Buzzer is both provided with the onboard instruments of most of automobiles, can be sent not according to the prompting and warning function of instrument
Same audio signal., it is necessary to be detected to the function of onboard instruments in the production of automobile and assembling process, one of which is just
It is to want whether test buzzer according to default functional requirement sends correct audio signal.
Generally, the audio signal sent using special audio collecting system, collection buzzer, then audio signal is changed
Handled and analyzed for electric signal.Because the price of audio collecting system is higher, the fund input needed for test can be increased, carried
The high cost of automobile making.
Utility model content
The utility model provides a kind of detection means of onboard instruments buzzer, can reduce and test institute is carried out to buzzer
The fund input needed, reduce automobile making cost.
The utility model provides a kind of detection means of onboard instruments buzzer, including：
Electric signal securing component, it is connected with the drive circuit of onboard instruments buzzer, it is defeated for obtaining the drive circuit
The driving electric signal gone out；
Electric signal processing component, it is connected with the electric signal securing component, for handling the driving electric signal,
To obtain the signal characteristic of the driving electric signal, the audio signal that the signal characteristic is sent with buzzer is one-to-one corresponding.
The detection means of onboard instruments buzzer as described above, in addition to：
Signal characteristic display module, it is connected with the Electric signal processing component, for showing the signal characteristic.
The detection means of onboard instruments buzzer as described above, the electric signal securing component include：
Analog-digital converter, it is connected with the drive circuit of onboard instruments buzzer, for obtaining the drive circuit output
The driving electric signal of analog quantity, and the driving electric signal of analog quantity is converted to the driving electric signal of digital quantity；
Communication module, it is connected with the analog-digital converter, and is connected with the Electric signal processing assembly communication, for by number
The driving electric signal of word amount is sent to the Electric signal processing component.
The detection means of onboard instruments buzzer as described above, the electric signal securing component is digital signal acquiring plate
Card.
The detection means of onboard instruments buzzer as described above, the Electric signal processing component are at hardware-in-loop simulation
Manage device.
The detection means of onboard instruments buzzer as described above, the digital signal acquiring board and the hardware in loop
Emulation processor is communicatively coupled by microcellular communications mode.
The detection means of onboard instruments buzzer as described above, the hardware-in-loop simulation processor are special with the signal
Sign display module is connected by optical fiber.
The detection means of onboard instruments buzzer as described above, the signal characteristic display module include：
Signal characteristic receiving module, it is connected with the Electric signal processing component, for receiving the signal characteristic；
Signal characteristic processing module, it is connected with the signal characteristic receiving module, to the signal characteristic
Manage and be converted to square-wave signal；
Signal characteristic display module, it is connected with the signal characteristic processing module, for showing the square-wave signal.
The detection means of onboard instruments buzzer as described above, the digital signal acquiring board is DS4004 boards.
The detection means of onboard instruments buzzer as described above, the hardware-in-loop simulation processor is DS1006 processing
Device.
Technical scheme provided by the utility model, by using electric signal securing component, the drive with onboard instruments buzzer
Dynamic circuit is connected, for obtaining the driving electric signal of drive circuit output；And Electric signal processing component, for driving telecommunications
Number handled and obtain signal characteristic, then by analyzing the signal characteristic, then can determine the driving electric signal
Whether it is correct drive signal.Compared with prior art, what the present embodiment gathered is the electric signal of drive circuit output, without
It is the audio signal that buzzer is sent, then technical staff builds corresponding electrical signal collection and process circuit, without using
Audio collecting system of the prior art, reduce the fund input needed for test, reduce the manufacturing cost of automobile.
Brief description of the drawings
Fig. 1 is the structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment one provides；
Fig. 2 is the structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment two provides；
Fig. 3 is the another structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment two provides
Figure.
Reference：
1- electric signal securing components；11- digital signal acquiring boards；2- Electric signal processing components；
21- hardware-in-loop simulation processors；3- onboard instruments；31- drive circuits；
32- buzzers；4- signal characteristic display modules；41- computers.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Embodiment one
Fig. 1 is the structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment one provides.Such as
Shown in Fig. 1, the present embodiment provides a kind of detection means of onboard instruments buzzer, including：Electric signal securing component 1 and electric signal
Processing component 2.
Wherein, electric signal securing component 1, be connected with the drive circuit 31 of buzzer 32 in onboard instruments 3, specifically with drive
The output end of dynamic circuit 31 is connected.Electric signal securing component 1 is used for the driving electric signal for obtaining the output of drive circuit 31.
Electric signal processing component 2, it is connected with electric signal securing component 1, for handling above-mentioned driving electric signal, with
Obtain driving the signal characteristic of electric signal.
Above-mentioned driving electric signal can drive buzzer 32 to send audio signal, have the driving electric signal of unlike signal feature
Driving buzzer 32 sends different audio signals, therefore, the audio for driving the signal characteristic of electric signal and buzzer 32 to send
Signal is one-to-one corresponding.The present embodiment is that driving electric signal is obtained and handled, and signal characteristic is obtained, by the signal
Feature is analyzed, then can obtain whether the driving electric signal is correct driving electric signal, if correct drive signal, then
Necessarily buzzer 32 can be driven to send correct audio signal.
The technical scheme that the present embodiment provides, by using electric signal securing component 1, the drive with onboard instruments buzzer 3
Dynamic circuit 31 is connected, for obtaining the driving electric signal of the output of drive circuit 31；And Electric signal processing component 2, for driving
Dynamic electric signal is handled and obtains signal characteristic, then by analyzing the signal characteristic, then can determine the driving
Whether electric signal is correct drive signal.Compared with prior art, what the present embodiment gathered is the electricity that drive circuit 31 exports
Signal, rather than the audio signal that buzzer 32 is sent, then technical staff build corresponding electrical signal collection and process circuit i.e.
Can, without using audio collecting system of the prior art, reduce the fund input needed for test, reduce the manufacture of automobile
Cost.
Embodiment two
The present embodiment is on the basis of above-described embodiment, and the detection means of onboard instruments buzzer is carried out further
Optimization.Fig. 2 is the structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment two provides.Such as Fig. 2
It is shown,
On the basis of above-mentioned technical proposal, detection means also includes signal characteristic display module 4, with Electric signal processing group
Part 2 is connected, for being shown to signal characteristic.For technical staff's observation signal feature and to driving corresponding to signal characteristic
The correctness of electric signal judges.
In addition, above-said current signal securing component 1 can specifically include：Analog-digital converter and communication module, wherein, modulus turns
Parallel operation is connected with the output end of above-mentioned drive circuit 31, the driving electric signal of the analog quantity for obtaining the output of drive circuit 31,
And the electric signal of analog quantity is converted to the driving electric signal of digital quantity.Communication module is connected with analog-digital converter, and and telecommunications
Number processing component 2 communicates to connect, for the driving electric signal of digital quantity to be sent into Electric signal processing component 2.Art technology
People can form above-said current signal securing component 1 using modulus switching device commonly used in the prior art and communication module to build,
And realize its function., then can be according to the communication protocol set with Electric signal processing component 2 come really as the type of communication module
It is fixed.
Fig. 3 is the another structural representation of the detection means for the onboard instruments buzzer that the utility model embodiment two provides
Figure, as shown in figure 3, in the present embodiment, directly using digital signal acquiring board 11 as electric signal securing component 1, this implementation
Example is integrated with analog-digital converter and communication module, will simulated in digital signal acquiring board 11 thereon by taking DS4004 boards as an example
Amount receiver port is connected with the output end of drive circuit 31, and the output end of communication module is connected with Electric signal processing component 2.
The function of above-said current signal processing component 2 is that driving electric signal is handled, the especially driving to digital quantity
Electric signal is handled, and the driving electric signal of digital quantity is converted into square-wave signal, to obtain driving the signal characteristic of electric signal.
The signal characteristic can be the cycle of square-wave signal, dutycycle, amplitude etc., and different cycles, dutycycle, the driving of amplitude combinations are electric
Signal can be used for the audio signal for driving buzzer 32 to send varying number, interval and duration.Therefore, Electric signal processing group is passed through
The signal characteristic of the driving electric signal obtained after the processing of part 2, can determine whether out whether driving electric signal is correct, you can judge buzzing
Can device 32 send correct audio signal.
In the present embodiment, using the conduct of hardware in loop (Hardware-in-the-loop, abbreviation HIL) emulation processor 21
Electric signal processing component 2, such as DS1006 processors.Hardware-in-loop simulation processor 21 is able to carry out hardware-in-loop simulation behaviour
Make, driving electric signal that can be to digital quantity is handled, and is converted into square-wave signal.Using hardware-in-loop simulation processor
21 carry out hardware-in-loop simulation operation, can just complete embedded testing in the initial stage of hardware development, be advantageous to send out early
Existing problem simultaneously solves in time.
Connected between above-mentioned digital signal acquiring board 11 and hardware-in-loop simulation processor 21 by microcellular communications bus
Connect, communicated by microcellular communications mode, specific message transmission rate, handshake method etc. can refer to prior art
Realize, the present embodiment does not limit.
Above-mentioned signal characteristic display module 4 can specifically include：Signal characteristic receiving module, signal characteristic processing module and
Signal characteristic display module.Wherein, signal characteristic receiving module is connected with Electric signal processing component 2, for reception signal feature.
Signal characteristic processing module is connected with signal characteristic receiving module, for being handled signal characteristic and being converted to square wave letter
Number.Signal characteristic display module is connected with signal characteristic processing module, for showing square-wave signal.
In the present embodiment, above-mentioned signal characteristic is directly received by mould as signal characteristic display module 4 using computer 41
Block, signal characteristic processing module and signal characteristic display module are integrated in computer-internal.With hardware-in-loop simulation processor 21
It is engaged, computer 41 can show the signal characteristics such as the cycle for driving electric signal, dutycycle, amplitude.Above-mentioned hardware
Assemblage on-orbit processor 21 is connected with computer 41 by optical fiber, specifically, being connected between assemblage on-orbit processor 21 and optical fiber
There is electrical to optical converter, optical-electrical converter is connected between optical fiber and computer 41, the network of optical-electrical converter and computer 41 connects
Connection interface is connected.
Or those skilled in the art can also realize signal characteristic display module 4 and computer 41 using other manner
Between carry out data transmission, such as：It is attached by modes such as serial communication bus, LAN connecting lines.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect or can communicate with one another；Can be joined directly together, the indirect phase of intermediary can also be passed through
Even, can be two element internals connection or two elements interaction relationship.For one of ordinary skill in the art
For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. detection means of onboard instruments buzzer, it is characterised in that including：Electric signal securing component, it is connected with the drive circuit of onboard instruments buzzer, for obtaining the drive circuit output Drive electric signal；Electric signal processing component, it is connected with the electric signal securing component, for handling the driving electric signal, with To the signal characteristic of the driving electric signal, the audio signal that the signal characteristic is sent with buzzer is one-to-one corresponding.
- 2. the detection means of onboard instruments buzzer according to claim 1, it is characterised in that also include：Signal characteristic display module, it is connected with the Electric signal processing component, for showing the signal characteristic.
- 3. the detection means of onboard instruments buzzer according to claim 1 or 2, it is characterised in that the electric signal obtains Component is taken to include：Analog-digital converter, it is connected with the drive circuit of onboard instruments buzzer, for obtaining the simulation of the drive circuit output The driving electric signal of amount, and the driving electric signal of analog quantity is converted to the driving electric signal of digital quantity；Communication module, it is connected with the analog-digital converter, and is connected with the Electric signal processing assembly communication, for by digital quantity Driving electric signal be sent to the Electric signal processing component.
- 4. the detection means of onboard instruments buzzer according to claim 2, it is characterised in that the electric signal acquisition group Part is digital signal acquiring board.
- 5. the detection means of onboard instruments buzzer according to claim 4, it is characterised in that the Electric signal processing group Part is hardware-in-loop simulation processor.
- 6. the detection means of onboard instruments buzzer according to claim 5, it is characterised in that the digital signal acquiring Board is communicatively coupled with the hardware-in-loop simulation processor by microcellular communications mode.
- 7. the detection means of onboard instruments buzzer according to claim 6, it is characterised in that the hardware-in-loop simulation Processor is connected with the signal characteristic display module by optical fiber.
- 8. the detection means of onboard instruments buzzer according to claim 1, it is characterised in that the signal characteristic is shown Component includes：Signal characteristic receiving module, it is connected with the Electric signal processing component, for receiving the signal characteristic；Signal characteristic processing module, it is connected with the signal characteristic receiving module, for being handled simultaneously the signal characteristic Be converted to square-wave signal；Signal characteristic display module, it is connected with the signal characteristic processing module, for showing the square-wave signal.
- 9. the detection means of onboard instruments buzzer according to claim 4, it is characterised in that the digital signal acquiring Board is DS4004 boards.
- 10. the detection means of onboard instruments buzzer according to claim 5, it is characterised in that the hardware in loop is imitated True processor is DS1006 processors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548239.1U CN206892215U (en) | 2017-05-17 | 2017-05-17 | The detection means of onboard instruments buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720548239.1U CN206892215U (en) | 2017-05-17 | 2017-05-17 | The detection means of onboard instruments buzzer |
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| Publication Number | Publication Date |
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| CN206892215U true CN206892215U (en) | 2018-01-16 |
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| CN201720548239.1U Active CN206892215U (en) | 2017-05-17 | 2017-05-17 | The detection means of onboard instruments buzzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379442A (en) * | 2019-05-31 | 2019-10-25 | 惠州市德赛西威汽车电子股份有限公司 | A kind of onboard instruments buzzing detection method, apparatus and system |
-
2017
- 2017-05-17 CN CN201720548239.1U patent/CN206892215U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379442A (en) * | 2019-05-31 | 2019-10-25 | 惠州市德赛西威汽车电子股份有限公司 | A kind of onboard instruments buzzing detection method, apparatus and system |
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