CN208411419U - A kind of semi-machine formula constant speed cruise device for automobile - Google Patents
A kind of semi-machine formula constant speed cruise device for automobile Download PDFInfo
- Publication number
- CN208411419U CN208411419U CN201821015441.9U CN201821015441U CN208411419U CN 208411419 U CN208411419 U CN 208411419U CN 201821015441 U CN201821015441 U CN 201821015441U CN 208411419 U CN208411419 U CN 208411419U
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- CN
- China
- Prior art keywords
- automobile
- cabinet
- ball screw
- pressing plate
- stepper motor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of semi-machine formula constant speed cruise device for automobile, including cabinet, stepper motor, ball screw assembly, and pressing plate, the lead screw of the ball screw assembly, is mounted in cabinet by bearing, the guide groove to move up and down in cabinet equipped with supply plate, pressing plate is mounted in guide groove and is fixedly linked with the nut of ball screw assembly, the cabinet is mounted on the car body of automobile, above the pressing plate installation gas pedal, pressing plate is equipped with the pressure sensor that can be contacted with gas pedal, the stepper motor is mounted in cabinet, the output shaft of stepper motor and the lead screw axis connection of ball screw assembly,.The utility model semi-machine formula automobile automatic cruising device relative price is cheap, and easy to operate, the position that takes up space is small, and cruise function can be realized by simply installation in common vehicle, mitigate the fatigue strength of driver.
Description
Technical field
It is to be related to a kind of constant-speed cruising device the utility model relates to automotive field, more particularly to a kind of semi-machine formula
Constant speed cruise device for automobile, for keeping speed in driver's selected location cruise.
Background technique
Currently, the constant speed cruising system of automobile is all to be controlled by pure electronic type constant speed cruising system according to speed signal
The systems such as liquefaction door, clutch, gear, to realize that vehicle drives at a constant speed.Through the constant speed cruising system, under certain road conditions
The movement that driver tramples gas pedal can be reduced, the fatigue of driver is mitigated.But pure electronic type constant speed cruising system knot
Structure is complicated, higher cost and not easy to repair after going wrong.Thus pure electronic type constant speed cruising system is generally only used for medium and high quality
On car or on the car of electronic type accelerator.Since structure is complicated, cost and maintenance limit for pure electronic type constant speed cruising system,
Using being restricted, and in practical situations driver the application function of constant speed cruising system is required it is more single, as long as
Gas pedal is fixed on a certain position under certain road conditions, is able to maintain certain road conditions.
Utility model content
The utility model aim is to propose problem for background technique, designs a kind of semi-machine formula constant-speed cruising device, general
It is open to traffic and cruise function can be realized by simply installation, mitigates the fatigue strength of driver.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of semi-machine formula constant speed cruise device for automobile, it is characterised in that: including cabinet, stepper motor, ball screw assembly,
And pressing plate, the lead screw of the ball screw assembly, are mounted in cabinet by bearing, are led in cabinet equipped with what supply plate moved up and down
To slot, pressing plate is mounted in guide groove and is fixedly linked with the nut of ball screw assembly, and the cabinet is mounted on the car body of automobile
On, above the pressing plate installation gas pedal, pressing plate is equipped with the pressure sensor that can be contacted with gas pedal, the stepping electricity
Machine is mounted in cabinet, the output shaft of stepper motor and the lead screw axis connection of ball screw assembly,.
As an improvement, the semi-machine formula constant speed cruise device for automobile further includes controller, the silk of the ball screw assembly,
Thick stick upper and lower ends are respectively equipped with the limit sensors of limitation presser motion stroke, and the signal of two limit sensors accesses control
Device, the controller can control stepper motor start and stop according to limit signal.
As an improvement, the semi-machine formula constant speed cruise device for automobile further includes the velocity sensor for measuring speed, it is described
Velocity sensor is set on automobile, velocity sensor and the equal access controller of pressure sensor signal, is controlled and is walked by controller
Into the operating of motor.
As an improvement, the lower end of the lead screw of the ball screw assembly, is mounted on the bottom of box, flange shaft by flange bearing
It holds and is fixed between cabinet by lower holding screw, the upper end of the lead screw of ball screw assembly, is defeated by shaft coupling and stepper motor
Shaft is connected.
As an improvement, being fixedly linked between the nut and pressing plate of the ball screw assembly, by upper holding screw.
The utility model beneficial effect is: a kind of semi-machine formula automobile automatic cruising device relative price of the utility model is low
Honest and clean, easy to operate, the position that takes up space is small, and cruise function can be realized by simply installation in common vehicle, mitigate
The fatigue strength of driver.
Detailed description of the invention
Fig. 1 is the utility model embodiment semi-machine formula constant speed cruise device for automobile appearance shaft side figure；
Fig. 2 is structural schematic diagram in Fig. 1.
Description of symbols in attached drawing: 1- stepper motor, 2- upper limit sensor, 3- lead screw, 4- pressing plate, 5- pressure sensor,
6- lower limit level sensor, holding screw under 7-, 8- flange bearing, the upper holding screw of 9-, 10- cabinet, 11- nut.
Specific embodiment
The utility model embodiment is described further below in conjunction with attached drawing, the examples of the embodiments are shown in the accompanying drawings
Out, in which the same or similar labels are throughly indicated same or similar element or members with the same or similar functions
Part.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to for explaining the utility model, and should not be understood as
Limitations of the present invention, any modification made within the spirit and principle of the utility model, equivalent replacement or change
Into etc., it should be included within the scope of the claims of the utility model, do not addressed in detail in the technical program, be known
Technology.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
The utility model patent is described further with reference to the accompanying drawing:
As shown, a kind of semi-machine formula constant speed cruise device for automobile, including cabinet 10, stepper motor 1, controller, rolling
The lead screw 3 of ballscrew pair and pressing plate 4, the ball screw assembly, is mounted in cabinet 10 by bearing, and pressure supply is equipped in cabinet 10
The guide groove that plate 4 moves up and down, pressing plate 4 are mounted in guide groove and are fixedly linked with the nut of ball screw assembly, 11, the case
Body 10 is mounted on the car body of automobile, and the pressing plate 4 is installed above gas pedal, and pressing plate 4 is equipped with and can contact with gas pedal
Pressure sensor 5, the stepper motor 1 is mounted in cabinet 10, the output shaft of stepper motor 1 and the lead screw of ball screw assembly,
3 axis connections；3 upper and lower ends of lead screw of the ball screw assembly, are respectively equipped with the upper limit sensor 2 of limitation 4 movement travel of pressing plate
With lower limit level sensor 6, upper limit sensor 2 connects access controller by signal wire with the signal of lower limit level sensor 6, letter
The layout of number line follows conventional arrangement principle in automobile, and the controller can control stepper motor 1 according to limit signal and open
Stop, upper limit sensor 2 and lower limit level sensor 6 in the present embodiment, can be sensed using inductive proximity switches, laser ranging
The sensors such as device, photoelectric proximity switch and proximity Hall switch, when using Hall switch, pressing plate 4 is equipped with to be passed with upper limit
Sensor 2 and the corresponding magnet steel of lower limit level sensor 6.In the present embodiment, ball screw assembly, also known as ball wire bar pair, ball screw
It is secondary.It is formed by lead screw 3 and 11 2, nut are mating.It is that precision highest is also most common transmission dress in current gearing
It sets, for motor to be converted to linear motion.
The lower end of the lead screw 3 of the ball screw assembly, is mounted on 10 bottom of cabinet by flange bearing 8, flange bearing 8 with
Fixed by lower holding screw 7 between cabinet 10, the upper end of the lead screw 3 of ball screw assembly, passes through shaft coupling and stepper motor 1
Output shaft is connected.It is fixedly linked between the nut 11 and pressing plate 4 of the ball screw assembly, by upper holding screw 9.
10 back side of cabinet design has mounting hole, for by the fixation of the present apparatus and the car body for being mounted on automobile, when
When the fixed a certain suitable position in the car of the present apparatus, when driver drives to drive for convenience in suitable road conditions, driver
Start the present apparatus, by switching the pulse signal issued to controller, starts stepper motor 1, the starting of stepper motor 1 passes through ball
Lead screw pair band 4 downlink of dynamic pressure plate, pressure sensor 5 detects pressure signal after pressing plate 4 touches gas pedal, and pressure is believed
Number pass to controller, controller, which touches, to be issued pulse signal after pressure signal and stop stepper motor 1, such driver's foot pine
After opening, gas pedal is kept fixed size, in use, when the pressure size that pressure sensor 5 detects becomes
When change, if pressure becomes smaller, i.e., throttle becomes smaller, then starts stepper motor 1 by controller and rotate forward so that 4 downlink of pressing plate is until pressure
Power with it is original equally big, if pressure becomes larger, stepper motor 1 started by controller rotate forward and invert so that 4 uplink of pressing plate subtracts
Small throttle, until pressure with originally it is equally big, to maintain throttle size constant.
It further include the velocity sensor (being not drawn into figure) for measuring speed, the speed as a kind of more preferably embodiment
Sensor is set on automobile, and the signal of velocity sensor and pressure sensor 5 passes through signal wire access controller, signal wire
Layout follows conventional arrangement principle in automobile, and the velocity sensor can be using measurement automotive wheel revolving speed in the present embodiment
The sensor for switching to running speed can also use the velocity sensor of change in displacement, be existing common known technology, preceding
Person can be converted after measuring vehicle wheel rotational speed using the sensor of the measurement vehicle wheel rotational speed of the combinations such as Hall switch or optoelectronic switch
Running speed is obtained, the latter uses location navigation sensor or radar velocity measurement sensor, in use, when giving using the above method
After fixed initial an automobile driving speed and throttle size, by velocity sensor real-time monitoring running speed, when driving speed
When degree is lower than the initial velocity of front, stepper motor 1 is controlled by controller and is rotated forward, 4 downlink of pressing plate, 5 pressure of pressure sensor
Value becomes larger, while throttle also increases；When throttle is excessive, and speed is higher than initial velocity, it is anti-that stepper motor 1 is controlled by controller
Turn, 4 uplink of pressing plate, 5 pressure value of pressure sensor becomes smaller, while throttle also reduces；This monitors running speed in real time, and anti-
Controller of feeding is adjusted throttle size by stepper motor 1 in real time, so that automobile fixed speed cruise.
The stepper motor 1 and ball screw assembly, of the utility model can guarantee quite high performance standard and than traditional
The motor driver that rotary motion is converted into linear motion has higher simplicity.Due to stepper motor 1 directly with movement
Load is connected, therefore does not have back clearance between motor and load, and compliance very little, so can be accurate by this stabilization member
Control gas pedal；The upper limit sensor 2 is that the present apparatus damages case because of misoperation at work in order to prevent
Body 10 or pressing plate 4, lower limit level sensor 6 is similarly；The ball screw assembly, has axial rigidity height, moves steady, transmission accuracy
The advantages that high, not easy to wear, long service life, connects on the mounting hole on the nut 11 of ball screw assembly, with pressing plate 4 during installation
It connects, and is locked by upper holding screw 9, the tail end of pressing plate 4 is equipped with pressure sensor 5, in order to feed back in equipment works
Controller pressure signal is given, to preferably control motor；The flange bearing 8 is fixed on cabinet 10, and passes through lower tightening
Screw 7 is locked, and the inner hole and lead screw 3 of flange bearing 8 cooperate；10 back side of the cabinet design has mounting hole, for the present apparatus
Fixed and installation.
Claims (5)
1. a kind of semi-machine formula constant speed cruise device for automobile, it is characterised in that: including cabinet, stepper motor, ball screw assembly, and
The lead screw of pressing plate, the ball screw assembly, is mounted in cabinet by bearing, the guiding to move up and down in cabinet equipped with supply plate
Slot, pressing plate are mounted in guide groove and are fixedly linked with the nut of ball screw assembly, and the cabinet is mounted on the car body of automobile,
Above the pressing plate installation gas pedal, pressing plate is equipped with the pressure sensor that can be contacted with gas pedal, the stepper motor
It is mounted in cabinet, the output shaft of stepper motor and the lead screw axis connection of ball screw assembly,.
2. a kind of semi-machine formula constant speed cruise device for automobile as described in claim 1, it is characterised in that: it further include controller, institute
The lead screw upper and lower ends for stating ball screw assembly, are respectively equipped with the limit sensors of limitation presser motion stroke, two limit sensors
Signal access controller, the controller can according to limit signal control stepper motor start and stop.
3. a kind of semi-machine formula constant speed cruise device for automobile as claimed in claim 2, it is characterised in that: further include measurement speed
Velocity sensor, the velocity sensor are set on automobile, and velocity sensor and the equal access controller of pressure sensor signal lead to
Cross the operating of controller control stepper motor.
4. a kind of semi-machine formula constant speed cruise device for automobile as claimed in claim 3, it is characterised in that: the ball screw assembly,
The lower end of lead screw is mounted on the bottom of box by flange bearing, is fixed between flange bearing and cabinet by lower holding screw, rolling
The upper end of the lead screw of ballscrew pair is connected by shaft coupling with the output shaft of stepper motor.
5. a kind of semi-machine formula constant speed cruise device for automobile as claimed in claim 4, it is characterised in that: the ball screw assembly,
It is fixedly linked between nut and pressing plate by upper holding screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821015441.9U CN208411419U (en) | 2018-06-29 | 2018-06-29 | A kind of semi-machine formula constant speed cruise device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821015441.9U CN208411419U (en) | 2018-06-29 | 2018-06-29 | A kind of semi-machine formula constant speed cruise device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208411419U true CN208411419U (en) | 2019-01-22 |
Family
ID=65107062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821015441.9U Expired - Fee Related CN208411419U (en) | 2018-06-29 | 2018-06-29 | A kind of semi-machine formula constant speed cruise device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208411419U (en) |
-
2018
- 2018-06-29 CN CN201821015441.9U patent/CN208411419U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190122 Termination date: 20200629 |