CN210701478U

CN210701478U - Cleaning device and data collector

Info

Publication number: CN210701478U
Application number: CN201921530590.3U
Authority: CN
Inventors: 龚强; 袁政; 孙伟文
Original assignee: Changsha Intelligent Driving Research Institute Co Ltd
Current assignee: Changsha Intelligent Driving Research Institute Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-09
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a cleaning device and data collection station. The device includes the casing, offers the air flue that is used for admitting air in the casing, and a plurality of gas outlet channels have still been seted up to the casing, and the air flue is equipped with entry end and exit end, and the entry end is used for admitting air, exit end and gas outlet channel intercommunication, and the gas that blows off from the gas outlet channel acts on the surface of printing opacity piece, and the total sectional area of a plurality of gas outlet channel exports is less than the sectional area of entry end. Among the foretell cleaning device, the relative export of gas outlet duct of the entry end of air flue has great sectional area, and the gas outlet duct is equipped with into a plurality ofly, and the export of a plurality of gas outlet ducts has relatively less sectional area, and compressed gas passes through the air flue to through the gas outlet duct blowout, speed and pressure when can guaranteeing gas blowout, thereby effectively clear up the spot on the printing opacity piece.

Description

Cleaning device and data collector

Technical Field

The utility model relates to a vehicle autopilot field especially relates to cleaning device and data collection station.

Background

In the intelligent driving application, the importance of the sensing element for collecting data is greater and greater, the vehicle target identification, the scene modeling and the like can be directly given, the data are directly applied to the accurate sensing of the vehicle to the surrounding environment, and the use quality of intelligent driving is improved.

The perception element faces the interference of stains when in use, the data acquisition effect is influenced, the structure of a conventional cleaning device for the perception element is complex, and the cleaning efficiency is low.

SUMMERY OF THE UTILITY MODEL

Therefore, there is a need for a cleaning device and a data collector with simple structure and effective cleaning.

A cleaning device for washing a sensing element, the sensing element comprising a sensor and a light transmitting member, comprising:

the casing, offer the air flue that is used for admitting air in the casing, a plurality of gas outlet channels have still been seted up to the casing, the air flue is equipped with entry end and exit end, the entry end is used for admitting air, the exit end with gas outlet channel intercommunication is followed the gas that the gas outlet channel blew out acts on the surface of printing opacity piece, and is a plurality of the total sectional area of gas outlet channel export is less than the sectional area of entry end.

Among the foretell cleaning device, the relative export of gas outlet duct of the entry end of air flue has great sectional area, and the gas outlet duct is equipped with into a plurality ofly, and the export of a plurality of gas outlet ducts has relatively less sectional area, and compressed gas passes through the air flue to through the gas outlet duct blowout, speed and pressure when can guaranteeing gas blowout, thereby effectively clear up the spot on the printing opacity piece.

In one embodiment, the gas outlet channel is multiple and arranged side by side.

In one embodiment, a projection of the monitoring member along the axial direction thereof forms a communication surface with the surface of the light-transmitting member, and the plurality of outlet channels have a span on both sides thereof larger than a maximum span of both ends of the communication surface.

In one embodiment, the extended central lines of the air outlet channels intersect with the communication surface, and the connecting line of the intersection points is located at one end, close to the air outlet channels, of the communication surface.

In one embodiment, the length of the air outlet channel is not less than 3 mm, and the diameter of the air outlet channel is not more than 0.6 mm.

In one embodiment, the device further comprises a control mechanism, the control mechanism comprises a controller and a switch piece which are in communication connection, the switch piece is used for controlling the on-off of the air passage, the controller is in communication connection with the monitoring piece, and the controller controls the operation of the switch piece according to a trigger signal of the monitoring piece.

In one embodiment, the outlet of the air outlet channel is a plane, and an included angle formed between the outlet of the air outlet channel and the surface of the light-transmitting member is an acute angle.

In one embodiment, the outlet of the outlet channel has a curved port, and the normal of the port surface is directed to the surface of the light-transmitting member.

In one embodiment, the air passage includes a first air passage and a second air passage perpendicular to each other, the second air passage is parallel to the monitoring member, one end of the second air passage is communicated with the first air passage, the other end of the second air passage penetrates through the side surface of the housing, and the first air passage is communicated with the air outlet passage.

In one embodiment, the cross-sectional area of the outlet channel decreases in the direction of flow of the gas.

In one embodiment, the method further comprises one of the following schemes;

the cleaning device also comprises a heating mechanism which is arranged in the shell and used for heating the gas in the air passage;

the shell is internally provided with a water channel, the water channel penetrates through the shell, one end of the water channel is opposite to the light-transmitting piece, and the other end of the water channel is used for water inflow.

A data collector comprises;

in the cleaning device, the housing is provided with the accommodating cavity;

in the cleaning device, the shell is provided with an accommodating cavity;

the sensing element comprises a monitoring piece and a light transmitting piece, wherein the light transmitting piece is arranged on the monitoring piece, and the monitoring piece is arranged in the accommodating cavity.

Drawings

FIG. 1 is a schematic diagram of a cleaning device according to one embodiment;

FIG. 2 is a view showing an internal structure of the cleaning apparatus shown in FIG. 1;

FIG. 3 is a cross-sectional view of the cleaning device shown in FIG. 1;

figure 4 is a side view of the cleaning device shown in figure 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all 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. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a cleaning apparatus 10 of an embodiment is applied to washing of a sensing element 11 in automatic driving of a vehicle. The sensing element 11 is mainly responsible for data acquisition, and can directly give vehicle target identification, scene modeling and the like according to the acquired data, so that the vehicle can accurately sense the surrounding environment. The sensing element 11 comprises a light-transmitting part 12 and a monitoring part 13, the light-transmitting part 12 and the monitoring part 13 are arranged oppositely, and signals such as rays, light waves and electromagnetic waves emitted by the monitoring part 13 can normally penetrate through the light-transmitting part 12, so that the monitoring part 13 can realize functions of normal image acquisition, navigation, measurement and the like. It should be noted that, the monitoring member 13 may be a sensor, the light-transmitting member 12 is attached to the lens of the sensor 13 for better waterproofing, so as to constitute the sensing element 11, the sensing element 13 in this embodiment is a sensor attached with the light-transmitting member 12, and the cleaning device 10 cleans the light-transmitting member 12. In other embodiments, the sensing element 11 is a sensor, the monitoring member 13 is a main body part of the sensor, the light-transmitting member 12 is a lens mounted at one end of the main body, the monitoring member 13 and the light-transmitting member 12 together form the sensor, in this embodiment, the sensing element 11 is a sensor, and the cleaning device 10 directly cleans the lens of the sensor.

Referring to fig. 2 and 3, the cleaning device 10 includes a housing 100 and a control mechanism (not shown), an air duct 110 for air intake is disposed in the housing 100, the housing 100 further defines a plurality of air outlet channels 120, the air duct 110 has an inlet end and an outlet end, the inlet end is used for air intake, the outlet end is communicated with the air outlet channels 120, and a total cross-sectional area of outlets of the plurality of air outlet channels is smaller than a cross-sectional area of the inlet end. The air blown out from the air outlet channel 120 acts on the surface of the light-transmitting member 12 to clean the stain on the light-transmitting member 12, so that the light-transmitting member 12 is in a normal light-transmitting state. The inlet end of the air passage 110 has a larger sectional area relative to the outlet of the air outlet passage 120, the air outlet passages 120 are provided in plurality, and the outlets of the air outlet passages 120 have a relatively smaller sectional area, so that air can pass through the air passage 110 and is sprayed out through the air outlet passages 120, the speed and pressure of the sprayed air can be ensured, and therefore dirt on the light-transmitting member 12 can be effectively cleaned.

The control mechanism comprises a controller (not shown) and a switch element 200 which are in communication connection, wherein the switch element 200 is used for controlling the on-off of the air channel 110, the controller is in communication connection with the monitoring element 13, and the controller controls the operation of the switch element 200 according to a trigger signal of the monitoring element 13. Specifically, the trigger signal of the monitoring part 13 received by the controller can be directly obtained from the signal trigger module of the monitoring part 13, or can be obtained from other related modules. In this embodiment, the controller includes a PLC control system and a signal receiver, and the signal receiver is connected to the monitoring unit 13 in a communication manner to receive the trigger signal of the monitoring unit 13. The signal receiver is also electrically connected with an input unit of the PLC control system, the collected signals are transmitted to the PLC control system, and an output unit of the PLC control system is electrically connected with the switch piece 200 so as to control the switch piece 200. After receiving the data of the signal receiver, the electrically connected PLC control system transmits a control signal to the switching element 200 through the output unit by a program preset in the memory, and controls the switching element 200.

The controller controls the switch element 200 according to the obtained signal of the monitoring element 13 to control the on/off of the gas circulation in the airway 110. The signal that monitoring piece 13 during operation triggered is obtained by the controller to control switch 200 and open and close air flue 110, after monitoring piece 13 work, controller control solenoid valve opens air flue 110, and air flows out from gas outlet passage 120 after air flue 110 communicates and clears up the surface of printing opacity piece 12. The switch 200 is turned on and turned off in the interval between two adjacent triggers of the monitoring part 13 to acquire data, so that the monitoring part 13 is accurately cleaned in real time, no air flow interference is generated in the acquisition moment to image the monitoring part 13, and the operation of the monitoring part 13 is not influenced while the continuous cleaning is performed.

It should be noted that the switch 200 may be disposed between the air source 300 and the air passage 110, the air source 300 is connected to the air passage 110 through a pipeline, the switch 200 is disposed in the pipeline, and the switch 200 may specifically be an electromagnetic valve, and in other embodiments, may also be disposed between the air passage 110 and the air outlet passage 120. In addition, cleaning device 10 can be matched with an external water spraying structure to clean the surface of light-transmitting piece 12 at the same time, the water spraying structure is separately in communication connection with monitoring piece 13, and can run synchronously with cleaning device 10 or run successively, but the water spraying structure is controlled to spray water before monitoring piece 13 collects data, so that the cleaning effect can be further improved. In other embodiments, a water channel (not shown) may be further formed in the housing 100, the water channel is spaced apart from the air channel 110, and penetrates through the housing 100, and one end of the water channel is opposite to the light-transmitting member 12, and the other end of the water channel is connected to an external water supply device for water inlet.

Referring to fig. 2 to 4, in one embodiment, the projection of the monitoring element 13 along the axial direction thereof and the surface of the light-transmitting element 12 form a communication surface 14, and signals such as rays, light waves, electromagnetic waves and the like emitted by the monitoring element 13 will pass through the communication surface 14, so that the data acquisition quality of the monitoring element 13 can be ensured by ensuring the cleanness degree of the communication surface 14. The extended center line of the outlet channel 120 intersects the communication surface 14, and the line of the plurality of intersections is located at an end of the communication surface 14 near the outlet channel 120 to align with the communication surface 14 for cleaning the communication surface 14. In addition, the end face of the outlet of the gas outlet channel 120 is a plane, the included angle formed by the extending surface of the port surface and the surface of the light-transmitting piece 12 is an acute angle, and after the gas sprayed out of the gas outlet channel 120 is sprayed to the upper end of the communication surface 14, the gas flows downwards along the surface of the light-transmitting piece 12 due to the included angle between the airflow direction and the surface of the light-transmitting piece 12, so that the cleaning area is enlarged, and the cleanliness of the communication surface 14 is ensured. In other embodiments, the end surface of the outlet channel 120 is curved, and the normal to the port surface is directed toward the surface of the light-transmissive member 12.

Further, the plurality of outlet channels 120 have a span on both sides that is greater than the maximum span at both ends of the communication surface 14, thereby ensuring that the blown gas spans the entire communication surface 14.

In one embodiment, the plurality of outlet channels 120 are arranged side by side, and the plurality of outlet channels 120 are all in communication with the air channel 110 and are aligned with the communication surface 14 to clean the communication surface 14. The plurality of outlet channels 120 are equidistantly spaced to ensure that the blown gas is evenly distributed over the communication surface 14. The gas enters from the inlet end and is finally sprayed out from the gas outlet channel 120, the sectional area of the gas path channel for the gas to flow is reduced from large to small, the gas sprayed out from the gas outlet channel 120 is ensured to have higher gas flow velocity, and the dirt such as rainwater or dust on the communication surface 14 can be cleaned in a very short time. Specifically, the length of the air outlet channel 120 may be set to be not less than 3 mm, the diameter may be not more than 0.6 mm, and the surface of the light-transmitting member 12 forms an included angle within 45 ° with the center line of the air outlet channel 120. In other embodiments, the gas outlet channel 120 may be arranged such that the cross-sectional area of the gas outlet channel 120 is gradually reduced along the flow direction of the gas, so that the gas can be continuously pressurized during the flow process.

In one embodiment, the duct 110 includes a first duct 111 and a second duct 113 perpendicular to each other. First air flue 111 and gas outlet channel 120 intercommunication, second air flue 113 and monitoring piece 13 parallel arrangement, 113 one end of second air flue and first air flue 111 intercommunication, the other end runs through the side of casing and forms connector 130, gas source 300 is from the connector 130 of 100 terminal surfaces of casing with gaseous input to second air flue 113 in, first air flue 111 and the gaseous circulation passageway of second air flue 113 formation, avoid outside gas source 300 equipment directly to be connected with the exhaust hole, can facilitate the processing installation. In other embodiments, the second air passage 113 may be omitted, and the first air passage 111 may be opened to connect with the external air source 300 by air pipe to realize the passage of air. So set up, transfer the rear end of casing 100 with the entry of air current through second air flue 113, utilize to connect to be connected with outside air supply 300, can avoid causing the interference when outside air supply 300 is connected at both ends about casing 100, and the pipeline can be hidden in setting up of second air flue 113 simultaneously, and is more pleasing to the eye. In addition, the housing 100 may be provided with only the air outlet channel 120, and the air tube or a separate component may be directly connected to the air outlet channel 120 instead of the first air channel 111. The casing 100 can be installed on the monitoring piece 13 through the connecting piece, and can also set up the holding chamber in the casing 100 for directly holding the monitoring piece 13 and connecting, the light-transmitting piece 12 is installed on the monitoring piece 13.

In one embodiment, the cleaning device 10 further comprises a heating mechanism (not shown) disposed within the housing 100 for heating the air flowing therethrough to increase the water removal capability. In other embodiments, the heat conduction mechanism may conduct heat generated by an external heating mechanism to the air duct 110 to raise the temperature of the air flow and increase the water removal capacity.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cleaning device is used for cleaning a sensing element, the sensing element comprises a monitoring piece and a light-transmitting piece, and the cleaning device is characterized by comprising:

2. The cleaning device of claim 1, wherein the gas outlet channel is provided in plurality and side by side.

3. The cleaning apparatus as claimed in claim 2, wherein a projection of said monitoring member in an axial direction thereof forms a communication surface with a surface of said light-transmitting member, and a plurality of said outlet channels are provided at both sides thereof with a span larger than a maximum span of both ends of said communication surface.

4. The cleaning apparatus defined in claim 3, wherein a line extending from a center of a plurality of the outlet channels intersects the communication surface, and a line connecting the plurality of intersection points is located at an end of the communication surface adjacent to the outlet channels.

5. The cleaning apparatus defined in claim 1, wherein the outlet channel has a length of no less than 3 mm and a diameter of no more than 0.6 mm.

6. The cleaning device of claim 1, further comprising a control mechanism, wherein the control mechanism comprises a controller and a switch member which are connected in communication, the switch member is used for controlling the on-off of the air passage, the controller is connected in communication with the monitoring member, and the controller controls the operation of the switch member according to a trigger signal of the monitoring member.

7. The cleaning apparatus as claimed in claim 1, wherein the outlet of the outlet channel is planar and forms an acute angle with the surface of the light transmissive member.

8. The cleaning apparatus as claimed in claim 1, wherein the port of the outlet channel is curved, and the normal of the port surface is directed to the surface of the light-transmitting member.

9. The cleaning device of claim 1, wherein the air passage comprises a first air passage and a second air passage perpendicular to each other, the second air passage is parallel to the monitoring member, one end of the second air passage is communicated with the first air passage, the other end of the second air passage penetrates through the side surface of the housing, and the first air passage is communicated with the air outlet passage.

10. The cleaning apparatus as claimed in claim 1, wherein the cross-sectional area of the gas outlet passage is gradually reduced in a flow direction of the gas.

11. The cleaning device of claim 1, further comprising at least one of the following;

the shell is internally provided with a water channel, the water channel penetrates through the shell, and the water channel is provided with two ends for water inlet and outlet.

12. A data collector is characterized by comprising;

the cleaning device of any one of claims 1 to 11, wherein the housing defines a receiving cavity;