CN113043961A - Vehicle and sensor movement device thereof - Google Patents
Vehicle and sensor movement device thereof Download PDFInfo
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- CN113043961A CN113043961A CN202110321239.9A CN202110321239A CN113043961A CN 113043961 A CN113043961 A CN 113043961A CN 202110321239 A CN202110321239 A CN 202110321239A CN 113043961 A CN113043961 A CN 113043961A
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- 230000033001 locomotion Effects 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims description 75
- 238000001514 detection method Methods 0.000 claims description 53
- 238000004140 cleaning Methods 0.000 claims description 47
- 238000003825 pressing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 13
- 239000012459 cleaning agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0082—Adjustable or movable supports collapsible, e.g. for storing after use
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gyroscopes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a vehicle and a sensor movement device thereof, wherein the sensor movement device of the vehicle comprises: the sensor comprises a sensor, a fixed shell, a first fixed part, a second fixed part, a first connecting rod, a second connecting rod and a driving module, wherein the first fixed part and the second fixed part are fixedly connected with the fixed shell; the sensor can extend out of and retract into the fixed shell under the action of the first connecting rod and the second connecting rod and the driving of the driving module. The sensor motion device of the vehicle comprises a first fixing part, a second fixing part, a first connecting rod, a second connecting rod and a sensor, wherein the first fixing part, the second fixing part, the first connecting rod, the second connecting rod and the sensor form a four-bar linkage mechanism, and the sensor is driven by a driving module and the four-bar linkage mechanism to move in a complex manner including translation and rotation, so that the sensor can extend out of and retract into a fixed shell, the motion space required by the sensor is reduced, and the space occupied by the whole device is reduced.
Description
Technical Field
The invention relates to the technical field of vehicles such as automobiles and aircrafts, in particular to a vehicle and a sensor movement device thereof.
Background
In vehicles such as automobiles, aircraft, and the like, it is often desirable for the sensor to extend beyond the surface to a particular angle under certain operating conditions and to retract back into the surface under other operating conditions. For example, in an automobile, when the automatic driving function is turned on, a sensor such as a camera or a laser radar extends out of the automobile meter to reach a designated orientation angle, and when the automatic driving function is turned off, the sensor is retracted into the automobile body, so that the purpose of smoothing the surface and preventing the sensor from being damaged is achieved.
Currently, in vehicles, the removal of the sensor from the surface is mainly achieved by parallel movement or integral rotation of the sensor. In the above manner, a motion mechanism needs to be arranged to realize parallel movement or integral rotation of the sensor, and the motion space required by the whole sensor is large, and the space required by the whole structure is large.
In addition, the movement mechanism has the problems of complicated structure, large occupied space, multiple driving parts, complicated control and the like.
In summary, how to extend and retract the sensor to reduce the movement space required by the sensor is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a vehicle and a sensor moving device thereof, so as to reduce the moving space required by a sensor, thereby reducing the space occupied by the whole device.
In order to achieve the above purpose, the invention provides the following technical scheme:
a sensor motion device for a vehicle, comprising: the sensor comprises a sensor, a fixed shell, a first fixed part, a second fixed part, a first connecting rod, a second connecting rod and a driving module, wherein the first fixed part and the second fixed part are fixedly connected with the fixed shell;
wherein the sensor is capable of extending out of and retracting into the fixed housing by the action of the first and second links and the driving of the driving module.
Optionally, the first connecting rod and the second connecting rod are hinged on the same side of the sensor, and a hinged side surface of the sensor, which is hinged with the first connecting rod and the second connecting rod, is opposite to a detection surface of the sensor;
along the length direction of the detection surface, the hinged positions of the sensor and the first connecting rod and the hinged positions of the sensor and the second connecting rod are distributed in sequence.
Optionally, the sensor movement device of the vehicle further comprises a movable sealing cover plate; if the sensor is in a stop state, the sensor is connected with the fixed shell in a sealing mode, the sealing cover plate is located on one side, opposite to the detection face, of the sensor, the sealing cover plate shields a gap between the sensor and the fixed shell, and the sealing cover plate is connected with the fixed shell and the sensor in a sealing mode.
Optionally, the sealing cover is connected to the sensor and the sealing cover is a follower of the sensor.
Optionally, a cover plate guide part is arranged in the fixed shell, one end of the sealing cover plate is in sliding fit with the cover plate guide part, and the other end of the sealing cover plate is hinged with the sensor;
one of the cover plate guide part and the sealing cover plate is provided with a sliding groove, and the other one of the cover plate guide part and the sealing cover plate is provided with a sliding piece in sliding fit with the sliding groove; the sliding groove is a linear sliding groove or a curve sliding groove.
Optionally, the driving module drives the first link to rotate, or the driving module drives the second link to rotate.
Optionally, the sensor comprises: the sensor comprises a sensor body, a sensor shell fixedly connected with the sensor body, a first hinged mounting structure fixed on the sensor shell or the sensor body, and a second hinged mounting structure fixed on the sensor shell or the sensor body;
the first connecting rod is hinged with the first hinge mounting structure, and the second connecting rod is hinged with the second hinge mounting structure;
the sensor shell is provided with a shape following design structure, and the shape following design structure is connected with the fixed shell in a sealing mode when the sensor is in a stop state.
Optionally, the sensor movement device of the vehicle further comprises: the cleaning module is arranged on the fixed shell and used for cleaning the detection surface of the sensor, and the cleaning module is arranged on the inner side of the fixed shell.
Optionally, the cleaning module comprises: the elastic pressing unit is fixed on the fixed shell and presses the cleaning brush on the detection surface, and the sliding guide rail is in sliding fit with the cleaning brush; wherein the cleaning brush cleans the detection surface during movement of the sensor.
According to the sensor movement device of the vehicle, the first connecting rod and the second connecting rod are arranged, so that the first fixing part, the second fixing part, the first connecting rod, the second connecting rod and the sensor form a four-bar mechanism, and the sensor can perform complex movement including translation and rotation under the driving of the driving module and the action of the four-bar mechanism, so that the sensor can extend out of the fixed shell and retract into the fixed shell; because the motion of the sensor is complex motion comprising translation and rotation, compared with the prior art that the sensor only performs translation or rotation, the motion space required by the sensor is effectively reduced, thereby reducing the space occupied by the whole device.
Based on the sensor movement device of the vehicle, the invention further provides a vehicle which comprises the sensor movement device, and the sensor movement device is the sensor movement device of the vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an isometric view of a retracted sensor in a sensor motion device of a vehicle provided in an embodiment of the present invention;
FIG. 2 is a schematic structural view of the structure shown in FIG. 1;
FIG. 3 is an isometric view of a sensor extension of a sensor motion device of a vehicle provided by an embodiment of the present invention;
fig. 4 is a schematic structural view of the structure shown in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, a sensor movement device for a vehicle according to an embodiment of the present invention includes: sensor 5, fixed casing 1, first fixed part 9 and the second fixed part 8 that all links to each other with fixed casing 1 is fixed, and one end is articulated with first fixed part 9, the other end and sensor 5 articulated first connecting rod 4, and one end is articulated with second fixed part 8, the other end and sensor 5 articulated second connecting rod 10. Wherein the sensor 5 can be extended out of and retracted into the fixed housing 1 by the action of the first link 4 and the second link 10 and the driving of the driving module.
According to the sensor movement device of the vehicle, provided by the embodiment of the invention, the first connecting rod 4 and the second connecting rod 10 are arranged, so that the first fixing part 9, the second fixing part 8, the first connecting rod 4, the second connecting rod 10 and the sensor 5 form a four-bar mechanism, and the sensor 5 is driven by the driving module and performs complex movement including translation and rotation under the action of the four-bar mechanism, so that the sensor 5 can extend out of the fixed shell 1 and retract into the fixed shell 1; because the motion of the sensor 5 is complex motion comprising translation and rotation, compared with the prior art that the sensor only performs translation or rotation, the motion space required by the sensor 5 is effectively reduced, thereby reducing the space occupied by the whole device.
In order to shorten the stroke of the sensor 5 and further reduce the occupied space, the first connecting rod 4 and the second connecting rod 10 are hinged on the same side of the sensor 5, and the hinged side of the sensor 5, which is hinged with the first connecting rod 4 and the second connecting rod 10, is opposite to the detection surface 11 of the sensor 5. Along the length direction of the detection surface 11, the hinged positions of the sensor 5 and the first connecting rod 4 and the hinged positions of the sensor 5 and the second connecting rod 10 are distributed in sequence. The length direction of the detection surface 11 corresponds to the movement direction of the sensor 5 when it is extended or retracted into the fixed housing 1.
Specifically, as shown in fig. 2, the hinge position of the sensor 5 and the first link 4 is referred to as a first hinge position e, the hinge position of the sensor 5 and the second link 10 is referred to as a second hinge position d, and the first hinge position e and the second hinge position d are distributed in this order along the length direction of the detection surface 11.
The relative positions of the first link 4 and the second link 10 are selected according to actual needs. For example, the first link 4 is higher than the second link 10, or the first link 4 is lower than the second link 10, or the first link 4 and the second link 10 are crossed spatially. It should be noted that, when the first link 4 and the second link 10 are spatially crossed, one end of the first link 4 is lower than one end of the second link 10, the other end of the first link 4 is higher than the other end of the second link 10, and the first link 4 and the second link 10 are not directly connected.
In practice, the first link 4 is higher than the second link 10 in one embodiment for easy installation.
The lengths of the first link 4 and the second link 10 are designed according to the actual situation, for example, according to the positions of the first link 4 and the second link 10. For example, if the first link 4 is higher than the second link 10, the length of the first link 4 is smaller than the length of the second link 10. The present embodiment does not limit the lengths of the first link 4 and the second link 10.
In practical applications, the first link 4 and the second link 10 may be hinged to other sides of the sensor 5, or the first link 4 and the second link 10 may be hinged to different sides of the sensor 5, which is not limited to the above embodiments.
In the sensor movement device of the vehicle, the fixed housing 1 is provided with a through hole for the sensor 5 to go in and out, and the through hole allows the sensor 5 to extend out of the fixed housing 1 and allows the sensor 5 to retract into the fixed housing 1. The shape of the through hole is adapted to the sensor 5.
In order to reduce the influence on the outer shape of the stationary housing 1, it is necessary to achieve a sealed connection of the sensor 5 to the stationary housing 1 and to close the through hole in the stationary state of the sensor 5. It is understood that the stay state includes an extended state in which the sensor 5 is extended out of the stationary housing 1 and reaches a preset position, and a retracted state in which the sensor 5 is retracted into the stationary housing 1.
In the sensor moving device of the vehicle, the horizontal width of the sensor 5 at the through hole changes along with the movement of the sensor 5, the variation is large, and the sealing is ensured only by arranging the conformal design structure on the sensor shell of the sensor 5, which is difficult to realize. In order to facilitate the closing of the through hole and the sealing, the sensor movement device of the vehicle may further include a movable sealing cover plate 3; if the sensor 5 is in a stop state, the sensor 5 is connected with the fixed shell 1 in a sealing mode, the sealing cover plate 3 is located on one side, opposite to the detection surface 11, of the sensor 5, the sealing cover plate 3 shields a gap between the sensor 5 and the fixed shell 1, and the sealing cover plate 3 is connected with the fixed shell 1 and the sensor 5 in a sealing mode. Specifically, the sealing cover plate 3 is hermetically connected to the fixed housing 1 and the sensor 5, which means that the sealing cover plate 3 is hermetically connected to the fixed housing 1, and the sealing cover plate 3 is hermetically connected to the sensor 5.
In the structure, the through hole is sealed and the fixed shell 1 is hermetically connected through the combined action of the sensor 5 and the sealing cover plate 3.
The shape of the sealing cover plate 3 is selected according to actual needs. In order to ensure the sealing, the sealing cover plate 3 may include: the main cover plate and the two side plates are respectively fixed on two sides of the main cover plate. Of course, the sealing cover plate 3 may be of other structures, which is not limited in this embodiment.
The sealing cover plate 3 needs to be moved, and a driving structure for driving the sealing cover plate 3 is required. Optionally, the sealing cover 3 is connected to the sensor 5, and the sealing cover 3 is a follower of the sensor 5. Therefore, the sealing cover plate 3 moves along with the movement of the sensor 5, a driving structure is not required to be additionally arranged, the structure is simplified, and the cost is reduced.
In practical applications, a driving structure may be further provided to separately drive the sealing cover plate 3, and is not limited to the above embodiments.
In order to facilitate the movement of the sealing cover plate 3 along with the sensor 5, a cover plate guide part 2 can be arranged in the fixed shell 1, one end of the sealing cover plate 3 is in sliding fit with the cover plate guide part 2, and the other end of the sealing cover plate 3 is hinged with the sensor 5.
It will be appreciated that the sealing cover 3 is hinged to the sensor 5 on the side opposite the detection face 11. At this time, the hinged side of the sensor 5, on which the first link 4 and the second link 10 are hinged, is opposite to the detection surface 11 of the sensor 5, i.e., the sealing cover 3, the first link 4 and the second link 10 are hinged on the side of the sensor 5 opposite to the detection surface 11. At this time, the space of the side of the sensor 5 away from the detection surface 11 is fully utilized, and the space occupied by the whole device is effectively reduced.
The sealing cover plate 3 is slidably fitted to the cover plate guide portion 2, and specifically, one of the cover plate guide portion 2 and the sealing cover plate 3 is provided with a slide groove, and the other is provided with a slide member slidably fitted to the slide groove.
The sliding groove is a linear sliding groove or a curved sliding groove, and further, the curved sliding groove is an arc sliding groove. In the practical application process, if the sliding groove is a curved sliding groove, the sealing cover plate 3 has a more complex movement track, so that the complex movement track of the sensor 5 is realized.
The sliding member may be a slider or a protrusion, which is not limited in this embodiment.
In order to reduce the influence on the outer shape of the fixed housing 1, the height difference between the sealing cover 3 and the sensor 5 is within a set range in the stay state of the sensor 5, wherein the stay state includes the extended state and the retracted state of the sensor 5. Specifically, when the sensor 5 is in the retracted state, the height difference between the sealing cover 3 and the sensor 5 may be zero, that is, the sealing cover 3 is flush with the sensor 5, and at this time, the sealing cover 3 and the sensor 5 may be selected to be flush with the outer surface of the fixed housing 1. When the sensor 5 is in the extending state, the height difference between the optional sealing cover plate 3 and the sensor 5 is not zero, so that the sealing cover plate 3 is arranged conveniently.
In the practical application process, when the sensor 5 is in the extending state, the sealing cover plate 3 is flush with the sensor 5, and the height difference between the sealing cover plate 3 and the sensor 5 is zero; the above-described embodiment is not limited to the above-described embodiment, in which a small height difference exists between the sealing cover 3 and the outer surface of the stationary housing 1 and a small height difference exists between the sensor 5 and the outer surface of the stationary housing 1 in the retracted state of the sensor 5.
In the sensor movement device of the vehicle, the driving module may drive the first link 4, may drive the second link 10, and may drive the first link 4 and the second link 10 at the same time. In order to simplify the structure and reduce the cost, the driving module can be selected to drive the first connecting rod 4 to rotate, or the driving module can be selected to drive the second connecting rod 10 to rotate. At this time, the sensor 5 can perform complex motions including translation and rotation by one driving part, thereby effectively simplifying the structure and control and reducing the cost.
In practical application, another driving point may be optionally set on the sensor 5, and the driving module drives at the driving point, which is not limited to the above embodiment.
The specific structure of the driving module is selected according to actual needs, for example, the driving module includes a driving part and a transmission mechanism, the transmission mechanism is a gear and rack transmission mechanism, a cam mechanism, a screw lifting pair, etc., and the driving part can be a motor or an air cylinder, etc.; of course, the above-mentioned driving module is selected to only include a driving component, for example, a motor is used to directly drive the first connecting rod 4 or the second connecting rod 10, or an air cylinder is used to directly drive the first connecting rod 4 or the second connecting rod 10, which is not limited in this embodiment.
The specific structure of the sensor 5 is selected according to actual needs. For ease of installation, the sensor 5 comprises: the sensor comprises a sensor body, a sensor shell fixedly connected with the sensor body, a first hinged mounting structure fixed on the sensor shell or the sensor body, and a second hinged mounting structure fixed on the sensor shell or the sensor body; wherein, the first connecting rod 4 is hinged with the first hinge mounting structure, and the second connecting rod 10 is hinged with the second hinge mounting structure. Specifically, the first hinge mounting structure and the second hinge mounting structure are hinge shafts or other structures, which is not limited in this embodiment.
It is understood that the detection surface 11 is the detection surface 11 of the sensor body. In operation, the detection surface 11 needs to protrude out of the stationary housing 1, i.e. the detection surface 11 protrudes out of the outer surface of the stationary housing 1, and the detection surface 11 points at a predetermined angle. When not in operation, the detection surface 11 is hidden inside the fixed housing 1, and the entire sensor 5 is retracted into the fixed housing 1. The first hinge mounting structure, the second hinge mounting structure, the sensor body and the sensor housing are fixed together and do not move relatively in motion.
In order to ensure that the sensor 5 is hermetically connected with the fixed shell 1, the sensor shell is provided with a conformal design structure, and the conformal design structure is hermetically connected with the fixed shell 1 when the sensor 5 is in a stop state.
The specific structure of the design structure is selected according to actual needs, which is not limited in this embodiment.
The shape following design structure is combined with the fixed shell 1 after the sensor 5 is retracted into the fixed shell 1, and the sensor shell is hermetically connected with the fixed shell 1, so that the influence on the appearance of the fixed shell 1 is reduced. Furthermore, in this case, the sensor housing is mainly used for being combined with the outer surface portion of the fixed housing 1, and the conformal design structure is adapted to the difference between the shapes of the outer surfaces of the sensor housing and the fixed housing 1.
For sealing, the fixed shell 1 is provided with a through hole for the sensor 5 to go in and out, a sealing element is arranged at the through hole, and the shape following design structure is connected with the fixed shell 1 in a sealing way through the sealing element. When the device comprises a sealing cover 3, the sealing cover 3 is sealingly connected to the stationary housing 1 by means of the above-mentioned sealing means.
The type of the sealing member is selected according to actual needs, and this embodiment is not limited to this.
In the practical application process, the sensor 5 can be always connected with the fixed shell 1 in a sealing way in the movement process by adjusting the shape following design structure.
In the sensor movement device of the vehicle, the sensor 5 extends out of the fixed shell 1 to work, and in the extending state, foreign matters such as dust and the like are easily deposited on the detection surface 11 of the sensor 5, so that the detection reliability and the service life are influenced. In order to improve the detection reliability and the service life, the sensor moving device of the vehicle further includes a cleaning module disposed on the stationary housing 1 and cleaning the detection surface 11 of the sensor 5. Generally, the cleaning module is disposed inside the stationary housing 1.
The specific structure of the cleaning module is selected according to actual needs. In order to improve the cleaning effect, the cleaning module comprises: a cleaning brush 6 for cleaning the detection surface 11, an elastic pressing unit 7 fixed on the fixed housing 1 and pressing the cleaning brush 6 against the detection surface 11, and a sliding guide rail in sliding fit with the cleaning brush 6; wherein the cleaning brush 6 cleans the detection surface 11 during the movement of the sensor 5.
In the above arrangement, the sliding guide limits the movement of the cleaning brush 6 to a direction parallel to the outer surface of the stationary housing 1, with only one degree of translational freedom. In the movement process of the sensor 5, the elastic pressing unit 7 always presses the cleaning brush 6 on the detection surface 11, and the cleaning brush 6 rubs against the detection surface 11 to realize cleaning, as shown in fig. 2, the contact position of the cleaning brush 6 and the detection surface 11 is a friction position g. It will be appreciated that the cleaning brush 6 is located between the detection surface 11 and the resilient pressing unit 7. The device described above achieves an automatic pressing of the cleaning brush 6, so that the detection surface 11 of the sensor 5 is automatically cleaned when the sensor 5 is moved.
The specific structure and type of the elastic pressing unit 7 are selected according to actual needs, for example, the elastic pressing unit 7 is a spring or a pneumatic spring, and the embodiment is not limited thereto. Specifically, taking the elastic pressing unit 7 as a spring as an example, one end of the spring far from the detection surface 11 is fixed on the fixed casing 1, one end of the spring close to the detection surface 11 is fixedly connected with the cleaning brush 6, and the length direction of the spring is parallel to the outer surface of the fixed casing 1.
The specific type of the cleaning brush 6 is selected according to actual needs. Optionally, the cleaning brush 6 is provided with a cleaning agent pipeline for conveying cleaning agent, and the cleaning brush 6 automatically seeps out the cleaning agent in the process of rubbing the cleaning brush 6 with the detection surface 11, so that better cleaning effect is realized.
In the practical application process, a cleaning agent nozzle can be additionally arranged on the cleaning brush 6 for spraying the cleaning agent, and the cleaning agent nozzle sprays the cleaning agent in the moving process of the sensor 5 to realize high-efficiency cleaning.
The type of the above cleaning agent is selected according to actual needs, and this embodiment is not limited thereto.
In the sensor movement device of the vehicle, in order to ensure the movement reliability and the service life, each hinge point and the sliding fit structure should have lower surface roughness and higher strength, and simultaneously have good lubrication.
Specifically, the hinge position between the sensor 5 and the first link 4 is referred to as a first hinge position e, the hinge position between the sensor 5 and the second link 10 is referred to as a second hinge position d, the hinge position between the first link 4 and the first fixing portion 9 is referred to as a third hinge position c, the hinge position between the second link 10 and the second fixing portion 8 is referred to as a fourth hinge position a, the sliding position between the seal cover 3 and the cover guide 2 is referred to as a first sliding position b, the hinge position between the seal cover 3 and the sensor 5 is referred to as a fifth hinge position f, and the sliding position between the cleaning brush 6 and the slide rail is referred to as a second sliding position g.
The contact surface of the sensor 5 and the first connecting rod 4 at the first hinge position e, the contact surface of the sensor 5 and the second connecting rod 10 at the second hinge position d, the contact surface of the first connecting rod 4 and the first fixing part 9 at the third hinge position c, the contact surface of the second connecting rod 10 and the second fixing part 8 at the fourth hinge position a, the contact surface of the sealing cover plate 3 and the cover plate guide part 2 at the first sliding position b, the contact surface of the sealing cover plate 3 and the sensor 5 at the fifth hinge position f, and the contact surface of the cleaning brush 6 and the sliding guide rail at the second sliding position g are all provided with lubricating coatings.
The type of the lubricating coating is selected according to actual needs, for example, the lubricating coating is a graphite coating or a molybdenum disulfide coating, and the like, which is not limited in this embodiment.
To more specifically describe the sensor moving device of the vehicle according to the embodiment, the following description will be made of an operation process according to a specific structure of the sensor moving device of the vehicle:
as shown in fig. 1-4, when the sensor 5 is required to extend out of the fixed housing 1 and reach a predetermined detection position, and the detection surface 11 reaches a set angle, the driving module drives the first connecting rod 4 to rotate counterclockwise to drive the second connecting rod 10 to rotate counterclockwise, so that the sensor 5 rotates counterclockwise while moving outward, and the detection surface 11 extends out of the outer surface of the fixed housing 1 and reaches the predetermined detection position; in the movement process, friction is generated between the detection surface 11 and the cleaning brush 6, and the detection surface 11 is cleaned. In the moving process, the sensor 5 drives the sealing cover plate 3 to move; when reaching predetermined detection position, the right edge of detection face 11 just reaches fixed casing 1's through-hole inner wall, realizes the partial seal of through-hole, and the part of sealed apron 3 retracts in fixed casing 1, and sealed apron 3 does not stretch into fixed casing 1's part then sealing connection sensor 5 and through-hole inner wall, has satisfied sealed requirement, has also kept fixed casing 1's appearance streamline, has obtained better aerodynamic effect.
When the sensor 5 is required to be retracted into the fixed shell 1, the driving module drives the first connecting rod 4 to rotate clockwise, so that the whole device moves reversely along the extending movement track, the sensor 5 is retracted into the fixed shell 1, and meanwhile, the sensor 5, the sealing cover plate 3 and the outer surface of the fixed shell 1 form a complete surface. In this process, the cleaning brush 6 again rubs against the detection surface 11 of the sensor 5, and cleans the detection surface 11.
The sensor moving device of the vehicle provided by the embodiment can realize the extending of the sensor 5 out of the fixed shell 1 and the retracting of the sensor 5 into the fixed shell 1 along a complex moving track under a single driving module, and simultaneously realize the sealing of the outer surface of the fixed shell 1, and clean the detection surface 11 of the sensor 5 in the process. The sensor movement device of the vehicle is simple in structure and easy to realize, different movement tracks can be obtained by modifying the hinging positions of the first connecting rod 4 and the second connecting rod 10 and the lengths of the first connecting rod 4 and the second connecting rod 10, the sensor movement device is suitable for the sensors 5 with different sizes and the design requirements of different extending positions, retracting positions and movement tracks, and has higher design freedom. Moreover, the sensor movement device of the vehicle is small in overall size, is concentrated in the plane where the sensor 5 is located, and is suitable for the situation that the overall arrangement height is limited.
Based on the sensor moving device of the vehicle provided in the foregoing embodiment, the present embodiment also provides a vehicle including the sensor moving device, which is the sensor moving device of the vehicle described in the foregoing embodiment.
The type of the vehicle is selected according to actual needs, for example, the vehicle is an automobile or an aircraft, and this embodiment does not limit this.
Since the sensor moving device of the vehicle provided by the above embodiment has the above technical effects, and the vehicle includes the sensor moving device of the vehicle, the vehicle also has corresponding technical effects, and details are not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A sensor motion device for a vehicle, comprising: the sensor comprises a sensor (5), a fixed shell (1), a first fixed part (9) and a second fixed part (8) which are fixedly connected with the fixed shell (1), a first connecting rod (4) with one end hinged to the first fixed part (9) and the other end hinged to the sensor (5), a second connecting rod (10) with one end hinged to the second fixed part (8) and the other end hinged to the sensor (5), and a driving module;
wherein the sensor (5) can extend out of and retract into the fixed housing (1) through the action of the first connecting rod (4) and the second connecting rod (10) and the driving of the driving module.
2. The sensor motion device of claim 1,
the first connecting rod (4) and the second connecting rod (10) are hinged on the same side of the sensor (5), and the hinged side surface of the sensor (5) where the first connecting rod (4) and the second connecting rod (10) are hinged is opposite to a detection surface (11) of the sensor (5);
along the length direction of the detection surface (11), the hinged positions of the sensor (5) and the first connecting rod (4) and the hinged positions of the sensor (5) and the second connecting rod (10) are distributed in sequence.
3. The sensor motion device according to claim 1, further comprising a movable sealing cover plate (3); if sensor (5) when the stay state, sensor (5) with fixed casing (1) seal and link to each other, just sealed apron (3) are located in sensor (5) with survey one side that face (11) are relative, sealed apron (3) shelter from sensor (5) with the clearance between fixed casing (1), just sealed apron (3) sealing connection fixed casing (1) with sensor (5).
4. The sensor movement apparatus according to claim 3, wherein the sealing cover (3) is connected to the sensor (5), and the sealing cover (3) is a follower of the sensor (5).
5. The sensor movement device according to claim 4, characterized in that a cover plate guide (2) is arranged in the fixed housing (1), one end of the sealing cover plate (3) is in sliding fit with the cover plate guide (2), and the other end of the sealing cover plate (3) is hinged with the sensor (5);
wherein, one of the cover plate guide part (2) and the sealing cover plate (3) is provided with a sliding groove, and the other one is provided with a sliding part which is in sliding fit with the sliding groove; the sliding groove is a linear sliding groove or a curve sliding groove.
6. The sensor kinematic arrangement according to claim 1, characterized in that the drive module drives the first link (4) in rotation or the drive module drives the second link (10) in rotation.
7. The sensor movement device according to claim 1, characterized in that the sensor (5) comprises: the sensor comprises a sensor body, a sensor shell fixedly connected with the sensor body, a first hinged mounting structure fixed on the sensor shell or the sensor body, and a second hinged mounting structure fixed on the sensor shell or the sensor body;
wherein the first connecting rod (4) is hinged with the first hinge mounting structure, and the second connecting rod (10) is hinged with the second hinge mounting structure;
the sensor shell is provided with a shape following design structure, and the shape following design structure is connected with the fixed shell (1) in a sealing mode when the sensor (5) is in a stop state.
8. The sensor motion apparatus of any one of claims 1-7, further comprising: and the cleaning module is arranged on the fixed shell (1) and used for cleaning the detection surface (11) of the sensor (5), and the cleaning module is arranged on the inner side of the fixed shell (1).
9. The sensor motion apparatus of claim 8, wherein the cleaning module comprises: the cleaning device comprises a cleaning brush (6) for cleaning the detection surface (11), an elastic pressing unit (7) which is fixed on the fixed shell (1) and presses the cleaning brush (6) on the detection surface (11), and a sliding guide rail which is in sliding fit with the cleaning brush (6); wherein the cleaning brush (6) cleans the detection surface (11) during the movement of the sensor (5).
10. A vehicle comprising a sensor motion device, characterized in that the sensor motion device is a sensor motion device according to any one of claims 1-9.
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| CN202110321239.9A CN113043961B (en) | 2021-03-25 | 2021-03-25 | Vehicle and sensor movement device thereof |
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| CN202110321239.9A CN113043961B (en) | 2021-03-25 | 2021-03-25 | Vehicle and sensor movement device thereof |
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| CN113043961B CN113043961B (en) | 2023-06-16 |
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| CN113043961B (en) | 2023-06-16 |
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