CN103758430A - Piezoelectric ultrasonic vibrator driving type automobile power window - Google Patents
Piezoelectric ultrasonic vibrator driving type automobile power window Download PDFInfo
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- CN103758430A CN103758430A CN201410041963.6A CN201410041963A CN103758430A CN 103758430 A CN103758430 A CN 103758430A CN 201410041963 A CN201410041963 A CN 201410041963A CN 103758430 A CN103758430 A CN 103758430A
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- window
- guide rail
- ultrasonic vibrator
- glass
- piezoelectric ultrasonic
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Abstract
The invention provides a piezoelectric ultrasonic vibrator driving type automobile power window, and belongs to the technical field of vehicle engineering. The piezoelectric ultrasonic vibrator driving type automobile power window aims to solve the problems that an existing electromagnetic motor driving type automobile window is complex in structure, has electromagnetic interference and is locked during a power failure. The piezoelectric ultrasonic vibrator driving type automobile power window comprises glass, an automobile door outside baffle and an automobile door inside baffle and further comprises a piezoelectric ultrasonic vibrator, a guide rail, two mandrels, two springs, a bearing and a hand-operated safety lever. According to the piezoelectric ultrasonic vibrator driving type automobile power window, an alternating current voltage is applied to a piezoelectric ceramic piece of the piezoelectric ultrasonic vibrator, so that a stator produces resonance, elliptic-track vibration is formed at the position of a driving foot, and lifting movement of the glass is achieved by means of friction coupling between the driving foot and the guide rail; in a working process, the guide rail is kept stationary, and the piezoelectric ultrasonic vibrator and the glass move vertically together. Under the situation that a circuit is out of work due to a rainstorm, water immersion, an impact and other factors, the glass window can be opened by pulling the hand-operated safe lever. The piezoelectric ultrasonic vibrator driving type automobile power window is suitable for being installed on an automobile.
Description
Technical field
The invention belongs to Vehicle Engineering technical field.
Background technology
Power windows is as a critical component in automobile, and basic function is to realize the lifting of glass for vehicle window the most; But existing electric automobile vehicle window all adopts rotating electromagnetic motor as driving element, by electromagnetic machine, pull steel wire, plastics to bring the lifting that realizes glass for vehicle window; Due to electromagnetic machine output movement for rotatablely moving, rotating speed is higher, it is little to exert oneself, and generally need to coordinate reducer of turbodrill to realize deceleration, reinforcement and the straight-line variation that rotatablely moves, this makes window lift mechanism very complicated, cost of manufacture is high; Existing power windows is generally realized and being cut off self-lock by reducer of turbodrill, this make extreme environment such as circuit abnormality, damage vehicle window in locking state, cannot normally work, also cannot manually realize lifting, send out in the situations such as heavy rain, drowned, shock and can cause fatal threat to driver and passenger's life; In addition, in the electromagnetic machine course of work, exist and can produce electromagnetic interference, can affect the normal work of car inner electronic equipment.
Summary of the invention
The present invention is in order to solve the existing complex structure of the driving automotive window of existing electromagnetic machine, to have electromagnetic interference and the locked problem of power-off, the invention provides the driving automobile electric car-window of piezoelectric supersonic oscillator.
The driving automobile electric car-window of piezoelectric supersonic oscillator, it comprises side shield in glass, door outside baffle plate and car door, it also comprises piezoelectric supersonic oscillator, guide rail, two axles, two springs and bearing; On described piezoelectric supersonic oscillator, be provided with and drive foot and mount pad; Described piezoelectric supersonic oscillator is fixedly connected on the glass lower end medial surface of automobile electric car-window by mount pad;
Driving foot and the guide rail side close contact of described piezoelectric supersonic oscillator; At glass lower end lateral surface, be provided with a bearing, and bearing outer ring contacts with the inner surface of door outside baffle plate; In described door outside baffle plate, car door, side shield lower end is fixedly connected with; In described car door, the medial surface of side shield is respectively provided with an axle up and down; In each axle, all cover has a spring, and spring is arranged between guide rail and the interior side shield of car door; The two ends up and down of guide rail all have through hole, and guide rail is set in two axles by the through hole at the upper and lower two ends of guide rail.
The described driving automobile electric car-window of piezoelectric supersonic oscillator also comprises manual safety spanner, and described manual safety spanner is arranged on the medial surface on glass top, and is fixedly connected with described glass.
The installation site of described piezoelectric supersonic oscillator and bearing is contour.
The distance of two axles equates with the distance of two through holes of guide rail.
The present invention adopts the driving of piezoelectric supersonic Harmonic Oscillators to power windows, described piezoelectric supersonic oscillator is a kind of resonant driver of the inverse piezoelectric effect work that utilizes piezoelectric ceramics, he encourages the elastomeric intrinsic vibration of stator by piezoelectric element, in surface of elastomer specific region, form the elliptical orbit motion with driving effect, and then be coupled and the microscopic motion of particle converted to the macroscopic motion of mover by friction.That piezoelectric supersonic oscillator has is simple in structure, be easy to realize linear drives, low speed high torque/thrust, power/torque density is high, positioning precision is high, fast response time, cut off self-lock, without electromagnetic interference and be not subject to the advantages such as electromagnetic interference.
During the driving automobile electric car-window work of piezoelectric supersonic oscillator of the present invention, door outside baffle plate is all connected with car body with side shield in car door, by applying alternating voltage to the piezoelectric ceramic piece on piezoelectric supersonic oscillator, make stator produce resonance, and then driving foot place to form elliptical orbit vibration, further by driving friction between foot and guide rail coupling to realize the elevating movement of glass, it is static that course of work middle guide keeps, and piezoelectric supersonic oscillator and glass together move up and down; When there is the situation of circuit malfunction in the factors such as heavy rain, drowned, shock, can be by pulling manual safety spanner to realize the unlatching of glass window.
The driving automobile electric car-window of piezoelectric supersonic oscillator of the present invention, take full advantage of the advantage that piezoelectric supersonic oscillator tool is easy to realize linear drives and low-speed high-thrust, realized the direct driving of lifting glass for vehicle window motion, the intermediate modules such as reducer of turbodrill have been omitted, make driving mechanism very simple, be conducive to improve functional reliability, reduce costs, reduce automotive dead weight, simplify processing and assembly technology; Ultrasound electric machine, owing to adopting friction-driven, without electromagnetic interference, is not subject to electronic interferences yet, has effectively overcome the existing electromagnetic interference problem of the driving automotive window of traditional electrical magneto, is conducive to the normal work of car inner electronic equipment.In addition, the precompression applying by spring between ultrasonic motor oscillator and guide rail is realized self-locking, and self-lock force depends on the stiction driving between foot and guide rail, has essential distinction with the power-off locking function of reducer of turbodrill; By the precompression of spring time is rationally set, automotive window self-lock force is controlled in the scope that adult can manually offset, when there is the situation of circuit malfunction in factors such as occurring heavy rain, drowned, shock, can be by pulling manual safety spanner to realize the unlatching of glass window, thus extreme environment driver and rider's escape guaranteed.
The driving automobile electric car-window of piezoelectric supersonic oscillator of the present invention, by piezoelectric supersonic Harmonic Oscillators the direct driving of automotive window, have advantages of simple in structure and without electromagnetic interference, and the manual safety spanner that the present invention adopts is the in the situation that of power-off, guaranteed driver and rider's safety exit, avoid resolving the dead phenomenon of electric lock, and the driving automobile electric car-window of piezoelectric supersonic oscillator of the present invention also has that cost is low, weight is little, process and assemble is easy, safe and be easy to realize the outstanding advantages of seriation.
Accompanying drawing explanation
Fig. 1 is the sectional view of the driving automobile electric car-window of piezoelectric supersonic oscillator of the present invention;
Fig. 2 is that the three-dimensional structure diagram of automobile electric car-window shown in Fig. 1 is removed car door Internal baffle.
The specific embodiment
The specific embodiment one: see figures.1.and.2 and illustrate present embodiment, the driving automobile electric car-window of piezoelectric supersonic oscillator described in present embodiment, it comprises side shield 4 in glass 1, door outside baffle plate 3 and car door, and it also comprises piezoelectric supersonic oscillator 2, guide rail 5, two axles 6, two springs 7 and bearings 8;
On described piezoelectric supersonic oscillator 2, be provided with and drive sufficient 2-3 and mount pad 2-4;
Described piezoelectric supersonic oscillator 2 is fixedly connected on the glass 1 lower end medial surface of automobile electric car-window by mount pad 2-4;
Driving foot 2-3 and the guide rail 5 side close contacts of described piezoelectric supersonic oscillator 2; At glass 1 lower end lateral surface, be provided with a bearing 8, and bearing 8 outer rings contact with the inner surface of door outside baffle plate 3; In described door outside baffle plate 3, car door, side shield 4 lower ends are fixedly connected with;
In described car door, the medial surface of side shield 4 is respectively provided with an axle 6 up and down;
In each axle 6, all cover has a spring 7, and spring 7 is arranged between guide rail 5 and the interior side shield 4 of car door;
The two ends up and down of guide rail 5 all have through hole, and guide rail 5 is set in two axles 6 by the through hole at the upper and lower two ends of guide rail.
Metallic matrix 2-1 is the thick middle thin block in two, and the centre position of metallic matrix 2-1 is provided with and drives sufficient 2-3; Described piezoelectric ceramic piece 2-2 is fixed on the both sides of the sufficient 2-3 of described driving by the mode of pasting or clamp; Mount pad 2-4 is fixed on the two ends of described metallic matrix 2-1.
The driving automobile electric car-window of piezoelectric supersonic oscillator of present embodiment is in application, door outside baffle plate 3 is all fixedly connected with car body with side shield 4 in car door, by applying alternating voltage to the piezoelectric ceramic piece 2-2 on piezoelectric supersonic oscillator 2, make stator produce resonance, and then driving sufficient 2-3 place to form elliptical orbit vibration, further by driving friction between sufficient 2-3 and guide rail 5 coupling to realize the elevating movement of glass 1, course of work middle guide 5 keeps static, and piezoelectric supersonic oscillator 2 and glass 1 together move up and down.
The specific embodiment two: present embodiment is that the driving automobile electric car-window of piezoelectric supersonic oscillator described in the specific embodiment one is further illustrated, in present embodiment, the described driving automobile electric car-window of piezoelectric supersonic oscillator also comprises manual safety spanner 9, described manual safety spanner 9 is arranged on the medial surface on glass 1 top, and is fixedly connected with described glass 1.
Manual safety spanner 9 described in present embodiment, when there is the situation of circuit malfunction in the factors such as heavy rain, drowned, shock, can be by pulling manual safety spanner 9 to realize the unlatching of glass window.
The specific embodiment three: present embodiment is that the driving automobile electric car-window of piezoelectric supersonic oscillator described in the specific embodiment one is further illustrated, and in present embodiment, the installation site of described piezoelectric supersonic oscillator 2 and bearing 8 is contour.
The specific embodiment four: present embodiment is that the driving automobile electric car-window of piezoelectric supersonic oscillator described in the specific embodiment one is further illustrated, in present embodiment, the distance of two axles 6 equates with the distance of two through holes of guide rail 5.
Claims (4)
1. the driving automobile electric car-window of piezoelectric supersonic oscillator, it comprises side shield (4) in glass (1), door outside baffle plate (3) and car door, it is characterized in that, it also comprises piezoelectric supersonic oscillator (2), guide rail (5), two axles (6), two springs (7) and bearing (8);
On described piezoelectric supersonic oscillator (2), be provided with and drive foot (2-3) and mount pad (2-4);
Described piezoelectric supersonic oscillator (2) is fixedly connected on glass (1) the lower end medial surface of automobile electric car-window by mount pad (2-4);
Driving foot (2-3) and guide rail (5) the side close contact of described piezoelectric supersonic oscillator (2); In glass (1) lower end, lateral surface is provided with a bearing (8), and bearing (8) outer ring contacts with the inner surface of door outside baffle plate (3); In described door outside baffle plate (3), car door, side shield (4) lower end is fixedly connected with;
In described car door, the medial surface of side shield (4) is respectively provided with an axle (6) up and down;
In each axle (6), all cover has a spring (7), and spring (7) is arranged between guide rail (5) and the interior side shield (4) of car door;
The two ends up and down of guide rail (5) all have through hole, and guide rail (5) is set in two axles (6) by the through hole at the upper and lower two ends of guide rail.
2. the driving automobile electric car-window of piezoelectric supersonic oscillator according to claim 1, it is characterized in that, the described driving automobile electric car-window of piezoelectric supersonic oscillator also comprises manual safety spanner (9), described manual safety spanner (9) is arranged on the medial surface on glass (1) top, and is fixedly connected with described glass (1).
3. the driving automobile electric car-window of piezoelectric supersonic oscillator according to claim 1, is characterized in that, the installation site of described piezoelectric supersonic oscillator (2) and bearing (8) is contour.
4. the driving automobile electric car-window of piezoelectric supersonic oscillator according to claim 1, is characterized in that, the distance of two axles (6) equates with the distance of two through holes of guide rail (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041963.6A CN103758430B (en) | 2014-01-28 | 2014-01-28 | The driving automobile electric car-window of piezoelectric ultrasonic vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410041963.6A CN103758430B (en) | 2014-01-28 | 2014-01-28 | The driving automobile electric car-window of piezoelectric ultrasonic vibrator |
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| Publication Number | Publication Date |
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| CN103758430A true CN103758430A (en) | 2014-04-30 |
| CN103758430B CN103758430B (en) | 2016-04-06 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091074A2 (en) * | 1999-10-05 | 2001-04-11 | Bayerische Motoren Werke Aktiengesellschaft | Window systems for automotive vehicle |
| WO2009056384A1 (en) * | 2007-11-02 | 2009-05-07 | Robert Bosch Gmbh | Pieozoelectric drive device |
| CN101681982A (en) * | 2007-05-07 | 2010-03-24 | 罗伯特.博世有限公司 | Piezoelectric drive system, and method for the operation thereof |
| DE102009000015A1 (en) * | 2009-01-05 | 2010-07-08 | Robert Bosch Gmbh | Vibration drive and method for operating a vibration drive |
| CN101777852A (en) * | 2010-01-05 | 2010-07-14 | 南京航空航天大学 | Double-stator bending mode linear ultrasonic motor and operation mode and electric excitation method |
| CN101984549A (en) * | 2010-11-24 | 2011-03-09 | 南京航空航天大学 | Clamp positioning device for linear ultrasonic motor |
| CN102341929A (en) * | 2009-01-05 | 2012-02-01 | 罗伯特·博世有限公司 | Oscillation drive |
| CN102739106A (en) * | 2012-06-26 | 2012-10-17 | 哈尔滨工业大学 | Bent vibration composite single-driving foot linear ultrasonic driver |
-
2014
- 2014-01-28 CN CN201410041963.6A patent/CN103758430B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1091074A2 (en) * | 1999-10-05 | 2001-04-11 | Bayerische Motoren Werke Aktiengesellschaft | Window systems for automotive vehicle |
| CN101681982A (en) * | 2007-05-07 | 2010-03-24 | 罗伯特.博世有限公司 | Piezoelectric drive system, and method for the operation thereof |
| WO2009056384A1 (en) * | 2007-11-02 | 2009-05-07 | Robert Bosch Gmbh | Pieozoelectric drive device |
| DE102009000015A1 (en) * | 2009-01-05 | 2010-07-08 | Robert Bosch Gmbh | Vibration drive and method for operating a vibration drive |
| CN102341929A (en) * | 2009-01-05 | 2012-02-01 | 罗伯特·博世有限公司 | Oscillation drive |
| CN101777852A (en) * | 2010-01-05 | 2010-07-14 | 南京航空航天大学 | Double-stator bending mode linear ultrasonic motor and operation mode and electric excitation method |
| CN101984549A (en) * | 2010-11-24 | 2011-03-09 | 南京航空航天大学 | Clamp positioning device for linear ultrasonic motor |
| CN102739106A (en) * | 2012-06-26 | 2012-10-17 | 哈尔滨工业大学 | Bent vibration composite single-driving foot linear ultrasonic driver |
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| CN103758430B (en) | 2016-04-06 |
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