CN204480069U - Vehicle electronic device vibration control apparatus - Google Patents
Vehicle electronic device vibration control apparatus Download PDFInfo
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- CN204480069U CN204480069U CN201520227565.3U CN201520227565U CN204480069U CN 204480069 U CN204480069 U CN 204480069U CN 201520227565 U CN201520227565 U CN 201520227565U CN 204480069 U CN204480069 U CN 204480069U
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Abstract
The utility model discloses a kind of vehicle electronic device vibration control apparatus, comprise piezoelectric sensor, controller, piezoelectric actuator, piezoelectric sensor input end is electrically connected with vehicle electronic device, piezoelectric sensor output terminal is connected with controller input end by analog-digital converter, controller output end is connected with piezoelectric actuator input end by digital analog converter, piezoelectric actuator output terminal is electrically connected with vehicle electronic device, the live signal detected is passed to controller by analog-digital converter by piezoelectric sensor, controller passes to piezoelectric actuator to after signal transacting by digital analog converter, the vibration of vehicle electronic device is suppressed in real time by piezoelectric actuator, form the self-adaptation active vibration isolation to vehicle electronic device.The utility model effectively can suppress the vibration of vehicle electronic device, guarantees vehicle electronic device stability in the process of moving, reliability and serviceable life.
Description
Technical field
The utility model relates to vehicle control system, particularly a kind of vehicle electronic device vibration control apparatus.
Background technology
Vehicle electronic device safe, stable, reliability consideration in the process of moving come into one's own just day by day.In vehicle traveling process, except the vibration source (as engine etc.) of automobile self, also have the irregular forced vibration caused by the injustice on road surface, these vibrations are very large for the normal work influence of vehicle electronic device.Automobile manufacturing enterprise is when solving this kind of vibration isolation problems, and the method usually adopted adds shakeproof washer to vehicle electronic device or place hope on supporting manufacturer to provide the product carrying certain slow vibrating device.But automobile vibration is in the process of moving complicated (existing high frequency has low frequency again), therefore adopts the effect of said method very limited, the object solving vibration isolation well can not be reached.
Therefore, be badly in need of a kind of vibration that effectively can suppress vehicle electronic device of exploitation, guarantee vehicle electronic device stability in the process of moving, reliability and the vehicle electronic device vibration control apparatus in serviceable life.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of vehicle electronic device vibration control apparatus, effectively can suppress the vibration of vehicle electronic device, guarantees vehicle electronic device stability in the process of moving, reliability and serviceable life.
Vehicle electronic device vibration control apparatus of the present utility model, comprise piezoelectric sensor, controller, piezoelectric actuator, the input end of described piezoelectric sensor is electrically connected with vehicle electronic device, piezoelectric sensor output terminal is connected with the input end of controller by analog-digital converter, the output terminal of controller is connected with the input end of piezoelectric actuator by digital analog converter, the output terminal of described piezoelectric actuator is electrically connected with vehicle electronic device, the live signal detected is passed to controller by analog-digital converter by described piezoelectric sensor, controller passes to piezoelectric actuator to after signal transacting by digital analog converter, the vibration of vehicle electronic device is suppressed in real time by piezoelectric actuator, form the self-adaptation active vibration isolation to vehicle electronic device.
Further, described piezoelectric sensor adopts the piezoelectric with direct piezo electric effect to make.
Further, described controller comprises charge amplifying circuit, processor, power amplification circuit, the input end of described charge amplifying circuit is connected with the output terminal of analog-digital converter, the input end of described processor is connected with the output terminal of charge amplifying circuit, the input end of described power amplification circuit is connected with the output terminal of processor, and the output terminal of power amplification circuit is connected with the input end of digital analog converter.
Further, described piezoelectric actuator adopts the piezoelectric with inverse piezoelectric effect to make.
The beneficial effects of the utility model: vehicle electronic device vibration control apparatus of the present utility model, during use, by piezoelectric sensor detect vehicle electronic device in vehicle travel process due to self vibration source (as engine cycle vibration) and pavement conditions different the vibrational state in real time such as the forced vibration that produces, and the real-time vibrational state detected is passed to controller by analog-digital converter, controller carries out calculation process to the electric signal that piezoelectric sensor feeds back, and output to piezoelectric actuator after being amplified by the control electric signal after process, the alternate electrical signal that controller exports is applied on piezoelectric by piezoelectric actuator, excitation piezoelectric element produces inverse vibration deformation, thus suppress the vibration of vehicle electronic device in vehicle travel process in real time, guarantee vehicle electronic device stability in the process of moving, reliability and serviceable life.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure: the vehicle electronic device vibration control apparatus of the present embodiment, comprise piezoelectric sensor 1, controller 2, piezoelectric actuator 3, the input end of described piezoelectric sensor 1 is electrically connected with vehicle electronic device 4, piezoelectric sensor 1 output terminal is connected with the input end of controller 2 by analog-digital converter 5, the output terminal of controller 2 is connected with the input end of piezoelectric actuator 3 by digital analog converter 6, the output terminal of described piezoelectric actuator 3 is electrically connected with vehicle electronic device 4, the live signal detected is passed to controller 2 by analog-digital converter 5 by described piezoelectric sensor 1, piezoelectric actuator 3 is passed to by digital analog converter 6 after controller 2 pairs of signal transacting, the vibration of vehicle electronic device 4 is suppressed in real time by piezoelectric actuator 3, form the self-adaptation active vibration isolation to vehicle electronic device 4, thus the real-time vibrational state of vehicle electronic device 4 is detected by piezoelectric sensor 1, and carry out calculation process and amplify exporting by controller 2 pairs of signals, realize carrying out self-adaptation active vibration isolation to vehicle electronic device 4.
In the present embodiment, described piezoelectric sensor 1 adopts the piezoelectric with direct piezo electric effect to make, for by vehicle electronic device 4 in vehicle travel process due to self vibration source (as engine cycle vibration) and pavement conditions different instant, the on-line conversion of the forced vibration that produces become electric energy (alternate electrical signal).
In the present embodiment, described controller 2 comprises charge amplifying circuit 7, processor 8, power amplification circuit 9, the input end of described charge amplifying circuit 7 is connected with the output terminal of analog-digital converter 5, the input end of described processor 8 is connected with the output terminal of charge amplifying circuit 7, the input end of described power amplification circuit 9 is connected with the output terminal of processor 8, the output terminal of power amplification circuit 9 is connected with the input end of digital analog converter 6, the electric signal that can feed back piezoelectric sensor 1 carries out calculation process, and export after the control electric signal after process is amplified.
In the present embodiment, described piezoelectric actuator adopts the piezoelectric with inverse piezoelectric effect to make, the alternate electrical signal that controller 2 exports can be applied on piezoelectric, excitation piezoelectric element produces inverse vibration deformation, thus suppresses the vibration of vehicle electronic device 4 in vehicle travel process in real time.
When the utility model uses, by piezoelectric sensor detect vehicle electronic device in vehicle travel process due to self vibration source (as engine cycle vibration) and pavement conditions different the vibrational state in real time such as the forced vibration that produces, and the real-time vibrational state detected is passed to controller by analog-digital converter, controller carries out calculation process to the electric signal that piezoelectric sensor feeds back, and output to piezoelectric actuator after being amplified by the control electric signal after process, the alternate electrical signal that controller exports is applied on piezoelectric by piezoelectric actuator, excitation piezoelectric element produces inverse vibration deformation, thus suppress the vibration of vehicle electronic device in vehicle travel process in real time.Through applicant's test, the utility model directly can improve electronic equipment stability in the process of moving, reliability and serviceable life on civilian or military vehicle, thus improves the quality of vehicle, improves the product market competitiveness at home and abroad.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a vehicle electronic device vibration control apparatus, it is characterized in that: comprise piezoelectric sensor, controller, piezoelectric actuator, the input end of described piezoelectric sensor is electrically connected with vehicle electronic device, piezoelectric sensor output terminal is connected with the input end of controller by analog-digital converter, the output terminal of controller is connected with the input end of piezoelectric actuator by digital analog converter, the output terminal of described piezoelectric actuator is electrically connected with vehicle electronic device, the live signal detected is passed to controller by analog-digital converter by described piezoelectric sensor, controller passes to piezoelectric actuator to after signal transacting by digital analog converter, the vibration of vehicle electronic device is suppressed in real time by piezoelectric actuator, form the self-adaptation active vibration isolation to vehicle electronic device.
2. vehicle electronic device vibration control apparatus according to claim 1, is characterized in that: described piezoelectric sensor adopts the piezoelectric with direct piezo electric effect to make.
3. vehicle electronic device vibration control apparatus according to claim 1, it is characterized in that: described controller comprises charge amplifying circuit, processor, power amplification circuit, the input end of described charge amplifying circuit is connected with the output terminal of analog-digital converter, the input end of described processor is connected with the output terminal of charge amplifying circuit, the input end of described power amplification circuit is connected with the output terminal of processor, and the output terminal of power amplification circuit is connected with the input end of digital analog converter.
4. vehicle electronic device vibration control apparatus according to claim 1, is characterized in that: described piezoelectric actuator adopts the piezoelectric with inverse piezoelectric effect to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227565.3U CN204480069U (en) | 2015-04-15 | 2015-04-15 | Vehicle electronic device vibration control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520227565.3U CN204480069U (en) | 2015-04-15 | 2015-04-15 | Vehicle electronic device vibration control apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204480069U true CN204480069U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520227565.3U Expired - Fee Related CN204480069U (en) | 2015-04-15 | 2015-04-15 | Vehicle electronic device vibration control apparatus |
Country Status (1)
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| CN (1) | CN204480069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608441A (en) * | 2018-07-20 | 2018-10-02 | 上海理工大学 | A kind of rescue robot for preventing from acutely shaking with vibration damping |
| CN110185737A (en) * | 2019-04-01 | 2019-08-30 | 贵州航天电子科技有限公司 | A kind of miniature active vibration isolation arrangement |
-
2015
- 2015-04-15 CN CN201520227565.3U patent/CN204480069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108608441A (en) * | 2018-07-20 | 2018-10-02 | 上海理工大学 | A kind of rescue robot for preventing from acutely shaking with vibration damping |
| CN110185737A (en) * | 2019-04-01 | 2019-08-30 | 贵州航天电子科技有限公司 | A kind of miniature active vibration isolation arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20170415 |