CN210101481U - Automatic adjusting device for interior rearview mirror - Google Patents
Automatic adjusting device for interior rearview mirror Download PDFInfo
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- CN210101481U CN210101481U CN201920267943.9U CN201920267943U CN210101481U CN 210101481 U CN210101481 U CN 210101481U CN 201920267943 U CN201920267943 U CN 201920267943U CN 210101481 U CN210101481 U CN 210101481U
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- 238000005457 optimization Methods 0.000 description 2
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Abstract
The utility model discloses an interior rear-view mirror automatic regulating apparatus contains ball pivot, ball pivot member, vertical corner sensor, horizontal corner sensor, vertical regulation hydraulic stem, vertical regulation pneumatic cylinder, vertical regulation solenoid valve, horizontal regulation hydraulic stem, horizontal regulation pneumatic cylinder, horizontal regulation solenoid valve, low pressure oil source, high-pressure oil source, electronic control unit, inclination sensor and displacement sensor. Before starting, after the driver has adjusted the seat position, the device automatically acquires the seat position and the seat angle signal, and then automatically adjusts the vertical position and the horizontal position of the rearview mirror. The utility model discloses an electricity liquid device, work safe and reliable, the response is rapid, and the range of application is wide to utilize the oil source among the hydraulic power steering, practiced thrift the energy consumption, can realize interior rear-view mirror automatically regulated's function.
Description
Technical Field
The utility model relates to a driver assistance part automatic adjustment technical field especially relates to an interior rear-view mirror automatic regulating apparatus in car.
Background
The automobile inside rear-view mirror is used as a tool for judging the side, the rear and the lower part of an automobile by a driver, plays an important role in automobile auxiliary driving, and the adjusting angle of the rear-view mirror is also very important for reflecting road conditions. Although many video systems for assisting a driver in observing the inside and outside of the vehicle are currently available in the market, the rearview mirror is the most effective observation method for an experienced driver or an electronic device in case of failure.
The electronic adjustment of the left and right rear-view mirrors of the vehicle is already implemented, but is more important for the interior mirror, which can observe the rear vehicle, during emergency braking or lane changing. Traditional inside rear-view mirror is manual regulation only, has the shortcoming that adjusting position is not accurate, waste time and energy, can appear the driver moreover and forget the unfavorable condition of adjusting inside rear-view mirror before the driving, and these all can exert an influence to the observation of rear-view mirror in driving.
There are many adjusting devices for the inside rear-view mirror currently, wherein the lazhou meilong mechanical limited company has proposed an adjustable inside rear-view mirror device for the vehicle (patent number CN 207758667U), which adopts parts such as a driving gear, a mating gear, a bevel gear, a transmission rack, etc., wherein the mating and placement positions of the gear teeth enable the mating gear in the horizontal direction to move along with the movement of the driving gear when the driver adjusts the inside rear-view mirror in the vertical direction, and only the vertical direction needs to be adjusted. However, the device has lower accuracy of horizontal adjustment, only can be adjusted along with the adjustment in the vertical direction, and still needs manual adjustment, so that the device has the defect of labor waste, and cannot be properly matched and used on vehicles with higher intelligence degree. The rocker is built up by the electronics technology limited design of the interior mirror (patent No. CN 106891812A), which is also a manually adjustable device and can only be adjusted perpendicular to the vertical plane, making the adjustment limited.
For the electronic adjustment rearview mirror technology, the adjustment system (patent No. CN 207274545U) proposed by the new energy science and technology limited of chang dang lake of jin tan of Jiangsu adopts a rod driven by a signal for collecting a facial image and a deviation angle between a horizontal angle and a vertical angle of a rearview mirror to automatically adjust the travel of the rearview mirror. However, the driving position of the vehicle cannot be only one person, so that the parameters are set again for the angle of the rearview mirror every time a new face signal is collected, the design is only suitable for household vehicles, and the design has defects in the case that the driver changes frequently. A rearview mirror adjusting method and system for a vehicle designed by Baowei automobile (China) Limited company and the vehicle (patent number CN 108045308A) are provided, wherein the method comprises the steps of obtaining a line group of reflection lines connecting the eyes of a driver to a plurality of edge points on the edge of the rearview mirror, and driving an adjusting device until the line group and a transparent area of rear glass have an intersection point. The method is novel in thought and sensitive in reaction, a driver can have a good visual field, but when the driver brakes suddenly and looks up the rearview mirror quickly, the rearview mirror can possibly move along with the movement of eyes, so that the driver feels dizzy, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the defect to the little potential safety hazard that exists indirectly of inflexible nature and the application scope of electric regulation method to current interior mirror manual regulation has proposed an interior mirror automatic regulating apparatus, and adjusting method is simple reliable, and is applicable to different drivers' observation visual angles.
The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:
an automatic adjusting device for an interior rearview mirror comprises a spherical hinge, a spherical hinge rod piece, a vertical rotation angle sensor, a horizontal rotation angle sensor, a vertical adjusting hydraulic rod, a vertical adjusting hydraulic cylinder, a vertical adjusting electromagnetic valve, a horizontal adjusting hydraulic rod, a horizontal adjusting hydraulic cylinder, a horizontal adjusting electromagnetic valve, a low-pressure oil source, a high-pressure oil source, an electronic control unit, an inclination angle sensor and a displacement sensor;
one end of the spherical hinge rod piece is fixedly connected with a front windshield of the automobile, and the other end of the spherical hinge rod piece is connected with the center of the back of the rearview mirror shell through a spherical hinge;
the vertical corner sensor and the horizontal corner sensor are arranged on the ball hinge and are respectively used for sensing the vertical corner and the horizontal corner of the rearview mirror and transmitting the vertical corner and the horizontal corner to the electronic control unit;
the inclination angle sensor is arranged at a rotating shaft between the backrest and the base of the automobile driving seat, and is used for sensing the angle between the backrest and the base of the automobile driving seat and transmitting the angle to the electronic control unit;
the displacement sensor is arranged on a slide rail of the base of the automobile driving seat and used for sensing the sliding displacement of the base of the automobile driving seat relative to the slide rail of the automobile driving seat and transmitting the sliding displacement to the electronic control unit;
the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are fixed on the ball hinge rod piece, and the output ends of the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are hinged with the back of the rearview mirror shell, wherein the hinged point of the output end of the vertical adjusting hydraulic rod and the rearview mirror shell is positioned on the vertical central axis of the rearview mirror shell, and the hinged point of the output end of the horizontal adjusting hydraulic rod and the rearview mirror shell is positioned on the horizontal central axis of the rearview mirror shell; the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are respectively used for adjusting the vertical deflection angle and the horizontal deflection angle of the rearview mirror;
the port P of the vertical adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the vertical adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the vertical adjusting hydraulic cylinder through an oil pipe;
the port P of the horizontal adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the horizontal adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the horizontal adjusting hydraulic cylinder through an oil pipe;
the electronic control unit is electrically connected with the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor, the displacement sensor, the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve respectively and is used for controlling the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve to work according to sensing signals of the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor and the displacement sensor.
As the utility model relates to a further optimization scheme of interior rear-view mirror automatic regulating apparatus, when the center department at rear-view mirror casing back was the original point, rear-view mirror casing back place plane was positive, the pin joint of vertical regulation hydraulic stem output and rear-view mirror casing was located the original point top, and the pin joint of level (l) ing hydraulic stem output and rear-view mirror casing is located the original point right side.
The utility model also discloses an automatically regulated method of this interior mirror automatic regulating apparatus, contain following step:
step 1), an inclination angle sensor and a displacement sensor respectively measure the angle between a backrest and a base of an automobile driving seat and the sliding displacement of the base, and transmit the angle to an electronic control unit;
step 2), the electronic control unit inquires in a preset rearview mirror corner comparison table, and inquires a rearview mirror horizontal target corner and a rearview mirror vertical target corner which are matched with the measured angle between the backrest and the base of the automobile driving seat, the sliding displacement of the base relative to the sliding rail;
step 3), the electronic control unit collects signals of a current vertical corner sensor to obtain a vertical corner of the current rearview mirror, and compares the vertical corner with the vertical target corner of the rearview mirror;
step 3.1), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is larger than a preset error threshold value and the current vertical rotation angle of the rearview mirror is smaller than the vertical target rotation angle of the rearview mirror, the electronic control unit controls the P port and the B port of the vertical adjusting electromagnetic valve to be communicated and controls the T port and the A port to be communicated;
step 3.2), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is larger than a preset error threshold value and the current vertical rotation angle of the rearview mirror is larger than the vertical target rotation angle of the rearview mirror, the electronic control unit controls the P port and the A port of the vertical adjusting electromagnetic valve to be communicated and controls the T port and the B port to be communicated;
step 3.3), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is smaller than or equal to a preset error threshold, the electronic control unit disconnects the current of the vertical adjusting electromagnetic valve and cuts off the circulation among the port P, the port A, the port T and the port B of the vertical adjusting electromagnetic valve;
step 4), the electronic control unit collects signals of a current horizontal corner sensor to obtain a horizontal corner of the current rearview mirror, and compares the horizontal corner with the horizontal target corner of the rearview mirror;
step 4.1), if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is larger than a preset error threshold value and the current horizontal rotation angle of the rearview mirror is smaller than the horizontal target rotation angle of the rearview mirror, the electronic control unit controls the P port and the B port of the horizontal adjusting electromagnetic valve to be communicated and the T port and the A port of the horizontal adjusting electromagnetic valve to be communicated;
step 4.2), if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is larger than a preset error threshold value and the current horizontal rotation angle of the rearview mirror is larger than the horizontal target rotation angle of the rearview mirror, the electronic control unit controls the P port of the horizontal adjusting electromagnetic valve to be communicated with the A port and the T port to be communicated with the B port;
and 4.3) if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is smaller than or equal to a preset error threshold, the electronic control unit cuts off the current of the horizontal regulating electromagnetic valve and cuts off the circulation among the port P, the port A, the port T and the port B of the horizontal regulating electromagnetic valve.
As the utility model relates to a further optimization scheme of automatic regulating method of interior rear-view mirror automatic regulating apparatus, the generation step of the rear-view mirror corner look at table that sets up in advance is as follows:
step A), adjusting the backrest of the automobile driving seat to enable the angle between the backrest and the base of the automobile driving seat to increase from a preset minimum angle threshold value according to a preset angle step threshold value until the angle between the backrest and the base of the automobile driving seat is equal to a preset maximum angle threshold value, and for each angle between the backrest and the base of the automobile driving seat:
step A.1), adjusting the base of the driver's seat of the vehicle, so that the displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle increases from a preset minimum displacement threshold value according to a preset displacement step threshold value until the displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle equals a preset maximum displacement threshold value, for each displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle:
step A.1.1), manually adjusting a rearview mirror to enable the rearview mirror to reflect an image behind an automobile to the center of a headrest of a driving seat of the automobile;
and step A.1.2), measuring the vertical corner and the horizontal corner of the rearview mirror at the moment by adopting a vertical corner sensor and a horizontal corner sensor, and recording the horizontal corner and the vertical corner of the rearview mirror at the moment as the horizontal target corner and the vertical target corner of the rearview mirror matched with the current angle between the backrest and the base of the automobile driving seat and the sliding displacement of the base relative to the sliding rail.
The utility model adopts the above technical scheme to compare with prior art, have following technological effect:
1. the work efficiency is high: the utility model adopts the current of the proportional coil in the electromagnetic proportional valve to control the working stroke of the hydraulic rod, and has feedback monitoring, adopts the electro-hydraulic combination mode to automatically adjust the rearview mirror, and has rapid response and high working efficiency;
2. the working precision is high: the proportional coil in the electromagnetic proportional valve of the utility model linearly outputs the hydraulic oil to the horizontal adjusting hydraulic rod by receiving the current signal of the electronic control unit, thereby controlling the rotation of the rearview mirror, and the working precision is high;
3. the adjustment is reliable: the utility model adopts hydraulic oil to adjust the rotation of the rearview mirror, the hydraulic oil has good lubricity and stability, and can be stably adjusted under various working conditions;
4. energy consumption is saved: the utility model adopts the oil source in the hydraulic power steering, which can meet the adjusting requirement of the rearview mirror;
5. the application is wide: the utility model discloses a displacement sensor, inclination sensor, vertical corner sensor, horizontal corner sensor acquisition signal, ECU adjusts the electric current of exporting for the electromagnetism proportional valve through gathering four signals, is applicable to various motorcycle types and frequent change driver's vehicle, uses extensively.
Drawings
Fig. 1 is a schematic structural view of an adjusting mechanism in an automatic adjusting device for an inside rear-view mirror according to the present invention;
fig. 2 is a schematic structural view of an automatic adjusting device for an interior rear-view mirror according to the present invention;
fig. 3 is a flowchart of the present invention for an automatic adjusting method of an interior mirror.
In the figure, 1-rearview mirror, 2-spherical hinge rod piece, 3-spherical hinge, 4-vertical adjusting electromagnetic valve, 5-vertical rotation angle sensor, 6-vertical adjusting hydraulic rod, 7-horizontal rotation angle sensor, 8-vertical adjusting hydraulic cylinder, 9-horizontal adjusting hydraulic rod, 10-horizontal adjusting hydraulic cylinder, 11-horizontal adjusting electromagnetic valve, 12-low pressure oil source, 13-high pressure oil source, 14-electronic control unit, 15-front windshield, 16-backrest of automobile driving seat, 17-inclination angle sensor, 18-displacement sensor, 19-sliding rail of automobile driving seat, and 20-base of automobile driving seat.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings as follows:
as shown in fig. 1 and 2, the utility model discloses an automatic adjusting device for a rearview mirror in a vehicle, which comprises a spherical hinge, a spherical hinge rod piece, a vertical corner sensor, a horizontal corner sensor, a vertical adjusting hydraulic rod, a vertical adjusting hydraulic cylinder, a vertical adjusting electromagnetic valve, a horizontal adjusting hydraulic rod, a horizontal adjusting hydraulic cylinder, a horizontal adjusting electromagnetic valve, a low-pressure oil source, a high-pressure oil source, an electronic control unit, an inclination angle sensor and a displacement sensor;
one end of the spherical hinge rod piece is fixedly connected with a front windshield of the automobile, and the other end of the spherical hinge rod piece is connected with the center of the back of the rearview mirror shell through a spherical hinge;
the vertical corner sensor and the horizontal corner sensor are arranged on the ball hinge and are respectively used for sensing the vertical corner and the horizontal corner of the rearview mirror and transmitting the vertical corner and the horizontal corner to the electronic control unit;
the inclination angle sensor is arranged at a rotating shaft between the backrest and the base of the automobile driving seat, and is used for sensing the angle between the backrest and the base of the automobile driving seat and transmitting the angle to the electronic control unit;
the displacement sensor is arranged on a slide rail of the base of the automobile driving seat and used for sensing the sliding displacement of the base of the automobile driving seat relative to the slide rail of the automobile driving seat and transmitting the sliding displacement to the electronic control unit;
the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are fixed on the ball hinge rod piece, and the output ends of the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are hinged with the back of the rearview mirror shell, wherein the hinged point of the output end of the vertical adjusting hydraulic rod and the rearview mirror shell is positioned on the vertical central axis of the rearview mirror shell, and the hinged point of the output end of the horizontal adjusting hydraulic rod and the rearview mirror shell is positioned on the horizontal central axis of the rearview mirror shell; the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are respectively used for adjusting the vertical deflection angle and the horizontal deflection angle of the rearview mirror;
the port P of the vertical adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the vertical adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the vertical adjusting hydraulic cylinder through an oil pipe;
the port P of the horizontal adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the horizontal adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the horizontal adjusting hydraulic cylinder through an oil pipe;
the electronic control unit is electrically connected with the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor, the displacement sensor, the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve respectively and is used for controlling the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve to work according to sensing signals of the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor and the displacement sensor.
When the center department at rear-view mirror casing back is the original point, rear-view mirror casing back place plane is positive, the pin joint of vertical regulation hydraulic stem output and rear-view mirror casing is located the original point top, and the pin joint of horizontal adjustment hydraulic stem output and rear-view mirror casing is located the original point right side, as shown in fig. 3, the utility model also discloses an automatic regulating method of this interior rear-view mirror automatic regulating apparatus of car, contain following step:
step 1), an inclination angle sensor and a displacement sensor respectively measure the angle between a backrest and a base of an automobile driving seat and the sliding displacement of the base, and transmit the angle to an electronic control unit;
step 2), the electronic control unit inquires in a preset rearview mirror corner comparison table, and inquires a rearview mirror horizontal target corner and a rearview mirror vertical target corner which are matched with the measured angle between the backrest and the base of the automobile driving seat, the sliding displacement of the base relative to the sliding rail;
step 3), the electronic control unit collects signals of a current vertical corner sensor to obtain a vertical corner of the current rearview mirror, and compares the vertical corner with the vertical target corner of the rearview mirror;
step 3.1), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is larger than a preset error threshold value and the current vertical rotation angle of the rearview mirror is smaller than the vertical target rotation angle of the rearview mirror, the electronic control unit controls the P port and the B port of the vertical adjusting electromagnetic valve to be communicated and controls the T port and the A port to be communicated;
step 3.2), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is larger than a preset error threshold value and the current vertical rotation angle of the rearview mirror is larger than the vertical target rotation angle of the rearview mirror, the electronic control unit controls the P port and the A port of the vertical adjusting electromagnetic valve to be communicated and controls the T port and the B port to be communicated;
step 3.3), if the absolute value of the difference between the current vertical rotation angle of the rearview mirror and the vertical target rotation angle of the rearview mirror is smaller than or equal to a preset error threshold, the electronic control unit disconnects the current of the vertical adjusting electromagnetic valve and cuts off the circulation among the port P, the port A, the port T and the port B of the vertical adjusting electromagnetic valve;
step 4), the electronic control unit collects signals of a current horizontal corner sensor to obtain a horizontal corner of the current rearview mirror, and compares the horizontal corner with the horizontal target corner of the rearview mirror;
step 4.1), if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is larger than a preset error threshold value and the current horizontal rotation angle of the rearview mirror is smaller than the horizontal target rotation angle of the rearview mirror, the electronic control unit controls the P port and the B port of the horizontal adjusting electromagnetic valve to be communicated and the T port and the A port of the horizontal adjusting electromagnetic valve to be communicated;
step 4.2), if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is larger than a preset error threshold value and the current horizontal rotation angle of the rearview mirror is larger than the horizontal target rotation angle of the rearview mirror, the electronic control unit controls the P port of the horizontal adjusting electromagnetic valve to be communicated with the A port and the T port to be communicated with the B port;
and 4.3) if the absolute value of the difference between the current horizontal rotation angle of the rearview mirror and the horizontal target rotation angle of the rearview mirror is smaller than or equal to a preset error threshold, the electronic control unit cuts off the current of the horizontal regulating electromagnetic valve and cuts off the circulation among the port P, the port A, the port T and the port B of the horizontal regulating electromagnetic valve.
The preset rearview mirror rotation angle comparison table is generated by the following steps:
step A), adjusting the backrest of the automobile driving seat to enable the angle between the backrest and the base of the automobile driving seat to increase from a preset minimum angle threshold value according to a preset angle step threshold value until the angle between the backrest and the base of the automobile driving seat is equal to a preset maximum angle threshold value, and for each angle between the backrest and the base of the automobile driving seat:
step A.1), adjusting the base of the driver's seat of the vehicle, so that the displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle increases from a preset minimum displacement threshold value according to a preset displacement step threshold value until the displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle equals a preset maximum displacement threshold value, for each displacement between the base of the driver's seat of the vehicle and the slide rail of the driver's seat of the vehicle:
step A.1.1), manually adjusting a rearview mirror to enable the rearview mirror to reflect an image behind an automobile to the center of a headrest of a driving seat of the automobile;
and step A.1.2), measuring the vertical corner and the horizontal corner of the rearview mirror at the moment by adopting a vertical corner sensor and a horizontal corner sensor, and recording the horizontal corner and the vertical corner of the rearview mirror at the moment as the horizontal target corner and the vertical target corner of the rearview mirror matched with the current angle between the backrest and the base of the automobile driving seat and the sliding displacement of the base relative to the sliding rail.
When the preset angle step threshold and the preset displacement step threshold are set, the method can be carried out according to the following method:
the seat angle is divided into 7 equal parts in the adjustable range, the seat position is divided into 7 equal parts in the adjustable range, and the equal values of the seat angle and the seat position are respectively used as a preset angle step threshold value and a preset displacement step threshold value. Thus, 49 dividing point positions are formed, and after the horizontal target rotation angle and the vertical target rotation angle of the rearview mirror corresponding to the 49 dividing point positions are respectively recorded, the obtained data table is stored.
The method for realizing vertical adjustment of the rearview mirror comprises the following steps: before starting each time, after the driver adjusts the angle and the position of the seat, the electronic control unit collects signals of the inclination angle sensor and the displacement sensor, and a corresponding optimal vertical corner reference value of the rearview mirror is obtained by looking up a table.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (2)
1. An automatic adjusting device for an interior rearview mirror is characterized by comprising a spherical hinge, a spherical hinge rod piece, a vertical corner sensor, a horizontal corner sensor, a vertical adjusting hydraulic rod, a vertical adjusting hydraulic cylinder, a vertical adjusting electromagnetic valve, a horizontal adjusting hydraulic rod, a horizontal adjusting hydraulic cylinder, a horizontal adjusting electromagnetic valve, a low-pressure oil source, a high-pressure oil source, an electronic control unit, an inclination angle sensor and a displacement sensor;
one end of the spherical hinge rod piece is fixedly connected with a front windshield of the automobile, and the other end of the spherical hinge rod piece is connected with the center of the back of the rearview mirror shell through a spherical hinge;
the vertical corner sensor and the horizontal corner sensor are arranged on the ball hinge and are respectively used for sensing the vertical corner and the horizontal corner of the rearview mirror and transmitting the vertical corner and the horizontal corner to the electronic control unit;
the inclination angle sensor is arranged at a rotating shaft between the backrest and the base of the automobile driving seat, and is used for sensing the angle between the backrest and the base of the automobile driving seat and transmitting the angle to the electronic control unit;
the displacement sensor is arranged on a slide rail of the base of the automobile driving seat and used for sensing the sliding displacement of the base of the automobile driving seat relative to the slide rail of the automobile driving seat and transmitting the sliding displacement to the electronic control unit;
the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are fixed on the ball hinge rod piece, and the output ends of the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are hinged with the back of the rearview mirror shell, wherein the hinged point of the output end of the vertical adjusting hydraulic rod and the rearview mirror shell is positioned on the vertical central axis of the rearview mirror shell, and the hinged point of the output end of the horizontal adjusting hydraulic rod and the rearview mirror shell is positioned on the horizontal central axis of the rearview mirror shell; the vertical adjusting hydraulic rod and the horizontal adjusting hydraulic rod are respectively used for adjusting the vertical deflection angle and the horizontal deflection angle of the rearview mirror;
the port P of the vertical adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the vertical adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the vertical adjusting hydraulic cylinder through an oil pipe;
the port P of the horizontal adjusting electromagnetic valve is connected with a high-pressure oil source through an oil pipe, the port T is connected with a low-pressure oil source through an oil pipe, the port A is connected with a rod cavity of the horizontal adjusting hydraulic cylinder through an oil pipe, and the port B is connected with a rodless cavity of the horizontal adjusting hydraulic cylinder through an oil pipe;
the electronic control unit is electrically connected with the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor, the displacement sensor, the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve respectively and is used for controlling the vertical adjusting electromagnetic valve and the horizontal adjusting electromagnetic valve to work according to sensing signals of the vertical corner sensor, the horizontal corner sensor, the inclination angle sensor and the displacement sensor.
2. The automatic adjusting device for a rearview mirror in a vehicle as claimed in claim 1, wherein when the center of the rear portion of the mirror housing is at the origin and the plane of the rear portion of the mirror housing is at the front, the hinge point of the output end of the vertical adjusting hydraulic rod and the mirror housing is located above the origin, and the hinge point of the output end of the horizontal adjusting hydraulic rod and the mirror housing is located at the right side of the origin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267943.9U CN210101481U (en) | 2019-03-04 | 2019-03-04 | Automatic adjusting device for interior rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920267943.9U CN210101481U (en) | 2019-03-04 | 2019-03-04 | Automatic adjusting device for interior rearview mirror |
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| CN210101481U true CN210101481U (en) | 2020-02-21 |
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| CN201920267943.9U Expired - Fee Related CN210101481U (en) | 2019-03-04 | 2019-03-04 | Automatic adjusting device for interior rearview mirror |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849794A (en) * | 2019-03-04 | 2019-06-07 | 南京航空航天大学 | A kind of room mirror self-checking device and method |
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2019
- 2019-03-04 CN CN201920267943.9U patent/CN210101481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849794A (en) * | 2019-03-04 | 2019-06-07 | 南京航空航天大学 | A kind of room mirror self-checking device and method |
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