CN202148761U

CN202148761U - Electric window glass lifter

Info

Publication number: CN202148761U
Application number: CN201120176175U
Authority: CN
Inventors: 朱金明; 陆建丰
Original assignee: ZHANGJIAGANG HEZHONG AUTOMOBILE PARTS CO Ltd
Current assignee: ZHANGJIAGANG WANCHENG TECHNOLOGY CO., LTD.
Priority date: 2011-05-30
Filing date: 2011-05-30
Publication date: 2012-02-22
Anticipated expiration: 2021-05-30

Abstract

The utility model discloses an electric window glass lifter, comprising a guide sliding rail; a sliding support for mounting glasses is arranged on the guide sliding rail in a sliding manner; the sliding support is connected with a lifting motor for controlling the lifting of the sliding support through a transmission mechanism; the lifter further comprises a foreword detection unit and an inversion detection unit, which are used for detecting the foreword and inversion of a motor rotor and electrically connected with a control unit; and the control unit is electrically connected with an executing unit, which is used for controlling the positive and negative starting and stopping of the motor. In a process that the electric window glass lifter drives the glass to lift, the glass cannot collide; when the glass has anti-clipping function when lifting automatically so as to avoid clipping passengers.

Description

Electric glass lifter

Technical field

The utility model relates to the auto parts machinery field, is meant a kind of electric glass lifter especially.

Background technology

Development along with automobile industry; The hand-operated lifting mode of crank type has been abandoned in the up-down of present many car glass of door and window (close and open); General electric up-down mode of all using push button instead, even control with electric glass lifter, " power window " just often said.Door accessories mainly comprises automobile door glass elevator, door lock, inside and outside handle, door lock operating mechanism, door hinge and door stop etc. most of electrodynamic type glass-frame riser that adopts on intermediate car; And progressively expanding on the various vehicles. its main purpose is in order to improve comfortableness and safety. shaking the window motor is vitals in the power window lifter; It is to guarantee the vehicle glass mechanism of adjustment flexibly, also is a vitals of automotive safety and comfortableness.Electric glass lifter is on the basis of the manual glass-frame riser of crank type, to increase the push button glass-frame riser that motor and controller form; Its property flexible to operation is superior to manual glass-frame riser, and then, general push button lifter is when the top dead centre that glass rises; Collision through glass and door frame comes constrained motion; Drop to lower dead center, collide through the snubber block with following dog place and finish motion, i.e. it all is to lean on machinery retaining point to accomplish that whole service stops.When this kind lifter glass and doorframe or snubber block collision; The capital produces a lot of impact sounds; Shock resistance to each part requires to uprise; And the push button lifter manually presses the button through the occupant glass risen, thereby the occupant does not note a little crushing and stretches out vehicle window outer passenger, particularly children; Very big at doorframe or the snubber block locked rotor current during to the glass constrained motion, need thicker lead, consume more energy, the aging back of lead is prone to produce combustion completion hidden danger.

The utility model content

The utility model technical problem to be solved is: provide a kind of glass that drives in lifting process, can not bump, avoid the electric glass lifter that crushes.

For solving the problems of the technologies described above; The technical scheme of the utility model is: electric glass lifter; Comprise directive slide track; Sliding on the said directive slide track is provided with the sliding support that is used to install glass, and said sliding support is connected with the lifting motor that the control sliding support goes up and down through transmission mechanism, and said lifter also comprises and is used for detecting respectively the just commentaries on classics detecting unit and the detecting unit that reverses that rotor rotates and reverse; The said detecting unit that just changeing all is electrically connected with control module with the counter-rotating detecting unit, and said control module is electrically connected with the performance element of the positive and negative start and stop of control motor.

As a kind of preferred scheme, the said detecting unit that just changeing is Hall element with the counter-rotating detecting unit.

As a kind of preferred scheme, said control module is MCU.

As a kind of preferred scheme, said control module is ECU.

After having adopted technique scheme, the effect of the utility model is: because electric glass lifter comprises directive slide track; Sliding on the said directive slide track is provided with the sliding support that is used to install glass, and said sliding support is connected with the lifting motor that the control sliding support goes up and down through transmission mechanism, and said lifter also comprises and is used for detecting respectively the just commentaries on classics detecting unit and the detecting unit that reverses that rotor rotates and reverse; The said detecting unit that just changeing all is electrically connected with control module with the counter-rotating detecting unit; Said control module is electrically connected with the performance element of the positive and negative start and stop of control motor, therefore, and at first manually opened performance element; Making lifting motor drive sliding support slides on directive slide track; Thereby make glass lifting, whole like this process is controlled unit identification and memory with the pulse signal of its rotation as benchmark by just changeing detecting unit and counter-rotating detection; The particular location that the corresponding glass of its pulse signal rises or descends; Carry out signal feedback afterwards then by the action of control module control lifting motor, and through just changeing detecting unit with counter-rotating detection signal, just changeing detection when the pulse wave band correspondence glass of rotor rotation is about to arrive top dead centre; Give control module with its signal feedback, control module sends the commands for controlling performance element and closes lifting motor; When the pulse wave band corresponding glass of detection to rotor rotation that reverses is about to arrive lower dead center, give control module with its signal feedback, control module sends the commands for controlling performance element and closes lifting motor; Like this; The start and stop of lifting motor are by control module control, make its start and stop very accurate, avoid the collision of glass and doorframe or snubber block bigger locked rotor current and collision sound to occur; In the glass run process, run into obstacle simultaneously; As run into the occupant and stretch out outside the vehicle window, just changeing the rotation that detecting unit can detect rotor and pulse change can occur, thereby control module sends instruction; The counter-rotating of performance element control lifting motor descends glass and reaches the effect of anti-pinch.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the utility model embodiment structural representation that is raised to top dead centre on glass;

Fig. 2 is the structural representation that the utility model embodiment glass drops to lower dead center;

Fig. 3 is the frame principle figure of the utility model embodiment;

In the accompanying drawing: 1. lifter; 11. lifting motor; 12. transmission mechanism; 13. directive slide track; 2. glass.

The specific embodiment

Through specific embodiment the utility model is done further to describe in detail below.

Extremely shown in Figure 3 like Fig. 1; A kind of electric glass lifter 1; Comprise directive slide track 13; Sliding on the said directive slide track 13 is provided with the sliding support that is used to install glass 2, and said sliding support is connected with the lifting motor 11 that the control sliding support goes up and down through transmission mechanism 12, and said lifter 1 also comprises and is used for detecting respectively the just commentaries on classics detecting unit and the detecting unit that reverses that rotor rotates and reverse; The said detecting unit that just changeing all is electrically connected with control module with the counter-rotating detecting unit, and said control module is electrically connected with the performance element of the positive and negative start and stop of control motor.The said detecting unit that just changeing is Hall element with the counter-rotating detecting unit.Hall element can be effectively detects the rotor rotating of lifting motor 11, and accuracy of detection is high.Said control module is MCU or is ECU.Select ECU in the present embodiment for use, and by the whole control of car body controller BCM.Transmission mechanism 12 comprises turbine and worm decelerator, curled hair tube and rope; Said turbine and worm decelerator is connected the power end of curled hair tube with lifting motor 11; Said curled hair tube is connected with bearing through rope; When lifting motor 11 was done clockwise or is rotated counterclockwise, motor output shaft slowed down through worm and gear and drives the forward and reverse rotation of curled hair tube.The curled hair tube drives the sliding support that links to each other with steel wire again, sliding support is moved up and down along directive slide track 13, and fixing glass of door and window 2 on the sliding support, thereby make glass 2 rise or descend.Certainly, said transmission mechanism can also be other structures, as comprises flexible axle, shaping axle sleeve; Be installed in the sprocket wheel of the power end of lifting motor 11, flexible axle generally is to be wrapped on the stone dead wire by several finer wire coileds with a steel wire, and the skin of stone dead wire has one deck flocking; Flocking can oil storage, and lubricate, the outline of flexible axle are equivalent to a chain; Flexible axle is contained in the shaping axle sleeve and with sliding support and connects mutually, when motor rotates, and sprocket wheel on the output and the engagement of flexible axle outline; Drive flexible axle and in the shaping axle sleeve, move, thereby the sliding support that connects mutually with glass 2 is moved up and down along directive slide track 13, reached the purpose of elevating glass 2.

The operating principle of the utility model is: at first manually opened performance element; Make lifting motor 11 drive sliding support and on directive slide track 13, slide, thereby glass 2 is gone up and down, whole process detects its signal that is just changeing or reversing by two Hall elements; Its pulse signal that rotates and reverse is discerned and memory by ECU as benchmark; The particular location that section corresponding glass 2 of each of its pulse signal rises or descends is afterwards then by 11 actions of ECU control lifting motor, when just changeing the pulse wave band correspondence glass 2 of detection to rotor rotation and be about to arrive top dead centre; Give ECU with its signal feedback, ECU sends the commands for controlling performance element and closes lifting motor 11; When the pulse wave band corresponding glass 2 of detection to rotor rotation that reverses is about to arrive lower dead center, give ECU with its signal feedback, ECU sends the commands for controlling performance element and closes lifting motor 11; Like this, the start and stop of lifting motor 11 are by ECU control, make its start and stop very accurate; Avoid glass 2 and doorframe or snubber block collision bigger locked rotor current and collision sound to occur, in glass 2 automatic uphill process, run into obstacle simultaneously, as run into the occupant and stretch out outside the vehicle window; Just changeing the rotation that detecting unit can detect rotor and pulse change can occur, thereby ECU sends instruction, 11 counter-rotatings of performance element control lifting motor; Glass 2 is descended reach the effect of anti-pinch, flashy electric current was a running current before lifting motor 11 stopped, and only needed holding wire just can; Energy consumes low, safe.The collision shock resistance of each part requires and can significantly reduce, and has improved application life.And owing to be not prone to big collision, even can reduce cost of parts without snubber block.

Claims

1. electric glass lifter; Comprise directive slide track; Slide on the said directive slide track and be provided with the sliding support that is used to install glass; Said sliding support is connected with the lifting motor that the control sliding support goes up and down through transmission mechanism; It is characterized in that: said lifter also comprises and is used for detecting respectively the just commentaries on classics detecting unit and counter-rotating detecting unit that rotor rotates and reverse, and the said detecting unit that just changeing all is electrically connected with control module with the counter-rotating detecting unit, and said control module is electrically connected with the performance element of controlling the positive and negative start and stop of motor.

2. electric glass lifter according to claim 1, it is characterized in that: the said detecting unit that just changeing is Hall element with the counter-rotating detecting unit.

3. like the said electric glass lifter of claim 2, it is characterized in that: said control module is MCU.

4. like the said electric glass lifter of claim 2, it is characterized in that: said control module is ECU.