CN210441899U

CN210441899U - Sensor assembly

Info

Publication number: CN210441899U
Application number: CN201921344675.2U
Authority: CN
Inventors: 邢玉明; 张磊; 马国彪; 赵帆
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-01
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a sensor technical field discloses a sensor assembly. The sensor assembly comprises a first sensor, a second sensor, a PCB and a first support, wherein the PCB is electrically connected with the first sensor and the second sensor respectively, the first sensor and the second sensor are used for collecting information, and the PCB is used for processing the collected information so as to realize the functions of the PCB. The first support comprises a first mounting plate and a second mounting plate which are parallel to each other, the first sensor is mounted on the first mounting plate, and the second sensor and the PCB are mounted on two sides of the second mounting plate respectively. The utility model discloses a sensor module has realized as the integration of a unit, controls the automobile body effectively, has carried out reasonable overall arrangement to sensor module, has reduced occupation space, and has reduced the installation degree of difficulty of sensor and PCB board.

Description

Sensor assembly

Technical Field

The utility model relates to a sensor technical field especially relates to a sensor assembly.

Background

With the increase of the functional requirements of the unmanned vehicle, the sensors in the unmanned vehicle are more and more complicated and diversified. The existing sensor is usually connected to a Printed Circuit Board (PCB), the sensor is used for collecting information, and the PCB is used for processing the collected information to realize the function thereof. The sensors are generally arranged in a dispersed and independent mode, the occupied space is large, and the installation difficulty of the sensors and the PCB is increased.

Therefore, it is desirable to provide a sensor assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, the utility model provides an aim at provides a sensor assembly to it is big because of the independent occupation space who arranges the leading to of dispersion to solve current sensor, increases the problem of the sensor and the PCB board installation degree of difficulty.

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:

a sensor assembly, comprising:

a first sensor;

a second sensor;

a PCB board electrically connected with the first sensor and the second sensor, respectively;

the first support comprises a first mounting plate and a second mounting plate which are parallel to each other, the first sensor is mounted on the first mounting plate, and the second sensor and the PCB are mounted on two sides of the second mounting plate respectively.

Further, the sensor assembly further comprises a second support, the second support is connected with the first support, the second support comprises an opening panel, and an interface is arranged on the opening panel.

Further, the sensor assembly further comprises a shell, the shell is provided with a containing cavity, the second sensor, the PCB, the first support and the second support are arranged in the containing cavity, and the first sensor is arranged outside the containing cavity.

Further, the shell includes top cap, epitheca and inferior valve, the epitheca with inferior valve joint is in order to form hold the chamber, the top cap covers first sensor.

Further, set up the light trap on the epitheca, the light trap with hold the chamber intercommunication, the light trap with the second sensor is just right.

Further, the sensor assembly further comprises a sealing assembly, and the sealing assembly is arranged on the light hole.

Further, the sensor assembly still includes radiator unit, radiator unit includes the heat dissipation wind channel, the heat dissipation wind channel including set up in fresh air inlet and exhaust vent on the shell, fresh air inlet with the exhaust vent all with hold the chamber intercommunication.

Furthermore, an air draft assembly is arranged on the air outlet.

Further, the heat dissipation assembly further comprises a first heat dissipation fin and a second heat dissipation fin, the first heat dissipation fin is arranged on the second mounting plate, and the second heat dissipation fin is mounted on the PCB.

Furthermore, an opening is formed in the lower shell, and the opening is arranged opposite to the interface panel.

The utility model discloses beneficial effect does:

the embodiment of the utility model provides a sensor assembly includes first sensor, second sensor, PCB board and first support, and the PCB board is connected with first sensor and second sensor electricity respectively, and first sensor and second sensor are used for the collection of information, and the PCB board is used for handling the information of gathering to realize its function. The first support comprises a first mounting plate and a second mounting plate which are parallel to each other, the first sensor is mounted on the first mounting plate, the second sensor and the PCB are mounted on two sides of the second mounting plate respectively, integration as a unit is achieved, the vehicle body is effectively controlled, reasonable layout is conducted on sensor components, occupied space is reduced, and mounting difficulty of the sensor and the PCB is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. Wherein:

fig. 1 is a schematic structural diagram of a sensor assembly provided in an embodiment of the present invention;

fig. 2 is a front view of a sensor assembly provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an internal sensor structure provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first bracket according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper case provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of the upper case and the first bracket provided by the embodiment of the present invention after being installed;

fig. 7 is a bottom view of the upper housing according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a lower shell according to an embodiment of the present invention;

fig. 9 is a bottom view of a sensor assembly according to an embodiment of the present invention.

In the figure:

1-a first sensor; 2-a second sensor; 3-a PCB board; 4-a first scaffold; 5-a second support; 6-a housing; 7-a sealing assembly; 8-a heat dissipation assembly; 9-interface;

41-a first mounting plate; 42-a second mounting plate; 43-a support plate; 44-a first connection plate; 51-an interface panel; 52-a second connecting plate; 61-upper shell; 62-a lower shell; 63-a top cover; 71-UV mirror; 81-air inlet holes; 82-air outlet holes; 83-a first heat sink; 84-a second heat sink; 85-air draft mounting plate;

411-mounting holes; 412-first fixing hole; 441-a second fixing hole; 442-a first connection hole; 511-interface hole; 512-first securing hole; 521-a second connection hole; 611-light-transmitting holes; 612-first fixed column; 613-second fixed column; 614-through holes; 621-opening; 622-second securing hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

As shown in fig. 1 to 9, the present embodiment provides a sensor assembly, which can be used in a distribution vehicle, a stationary self-service delivery cabinet or an unmanned vending cabinet, etc. to collect and process information.

As shown in fig. 1 and 2, the sensor assembly includes an internal sensor structure and a housing 6, the housing 6 has a containing cavity, the internal sensor structure is partially located in the containing cavity, the internal sensor structure is used for collecting and processing information, and the housing 6 protects the internal sensor structure to prevent the internal sensor structure from being damaged. The sensor assembly is integrated into a unit, which can effectively control the vehicle body. Through carrying out reasonable overall arrangement to the sensor subassembly, reduced occupation space, and reduced the installation degree of difficulty of sensor and PCB board 3.

As shown in fig. 3, the internal sensor structure includes a first sensor 1, a second sensor 2, a PCB 3 and a first bracket 4, wherein the PCB 3 is electrically connected to the first sensor 1 and the second sensor 2, respectively, to collect and process information. The first bracket 4 includes a first mounting plate 41 and a second mounting plate 42 which are parallel to each other, the first sensor 1 is mounted on the first mounting plate 41, and the second sensor 2 and the PCB 3 are respectively mounted on both sides of the second mounting plate 42. Specifically, the second sensor 2 is located below the first sensor 1, preventing the first sensor 1 and the second sensor 2 from working in interference with each other. In the present embodiment, the first sensor 1 is a laser radar, and the second sensor 2 is a camera. Of course, when the first sensor 1 and the second sensor 2 are other sensors, the sensor assembly is also within the protection scope of the present invention.

In this embodiment, the number of the second sensors 2 is four, and the four second sensors 2 are all fixed on the second mounting plate 42, so as to collect information from different viewing angles. However, in the present embodiment, the number and the mounting positions of the second sensors 2 are not limited, and may be set according to actual circumstances.

The internal sensor structure further comprises a second bracket 5, the second bracket 5 being connected to the first bracket 4, the second bracket 5 being used for mounting an interface 9. Specifically, the second bracket 5 includes an interface panel 51, and the interface panel 51 is used to mount the interface 9.

Further, the interface panel 51 is provided with a plurality of interface holes 511, and the interface 9 is fixed to the interface holes 511. Specifically, the interface 9 may be a switch, a button, or the like.

As shown in fig. 4, the first bracket 4 further includes a support plate 43, the first mounting plate 41 and the second mounting plate 42 are connected by the support plate 43, the first sensor 1 is positioned above the first mounting plate 41, and the second sensor 2 is positioned between the first mounting plate 41 and the second mounting plate 42. The supporting plate 43 is disposed such that an accommodating space is formed between the first mounting plate 41 and the second mounting plate 42, the accommodating space is convenient for accommodating the second sensor 2, and the first sensor 1 and the second sensor 2 are prevented from interfering with each other.

In this embodiment, the number of the supporting plates 43 is four, and the four supporting plates 43 are all disposed between the first mounting plate 41 and the second mounting plate 42, so that the connection between the first mounting plate 41 and the second mounting plate 42 is more stable. However, the number of the support plates 43 is not limited in the present embodiment as long as the support function can be achieved.

Specifically, the first mounting plate 41 has a mounting hole 411, and the mounting hole 411 is used for mounting the first sensor 1.

As shown in fig. 3 and 4, the first bracket 4 further includes a first connecting plate 44, the first connecting plate 44 is connected to a side of the second mounting plate 42 away from the first mounting plate 41, the second bracket 5 further includes a second connecting plate 52, the second connecting plate 52 is connected to a side of the interface panel 51 facing the first bracket 4, and the first connecting plate 44 is connected to the second connecting plate 52. During installation, the first sensor 1, the second sensor 2 and the PCB 3 are installed on the first support 4, and then the first support 4 is connected with the second support 5 to complete the integration of the internal sensor structure.

Specifically, the first connecting plate 44 has a first connecting hole 442 formed thereon, the second connecting plate 52 has a second connecting hole 521 formed thereon, and the first connecting hole 442 and the second connecting hole 521 are connected by a fastener. The fasteners may be bolts, screws, pins, etc.

As the functions of the sensor module are increased, the power and heat dissipation of the electrical components of the internal sensor structure are increased, and it is necessary to provide the sensor module with good heat dissipation. Therefore, the sensor assembly further comprises a heat dissipation assembly 8, and the heat dissipation assembly 8 is used for dissipating heat of the sensor assembly so as to prevent the electric appliance components from being overheated to stop working frequently and influence working efficiency.

The heat dissipation assembly 8 comprises a heat dissipation air channel and a heat dissipation fin assembly, the heat dissipation fin assembly is arranged in the containing cavity of the shell 6, and the containing cavity of the shell 6 is communicated with the outside through the heat dissipation air channel, so that heat is rapidly transmitted to the outside, the phenomenon that the heat of the shell 6 or the PCB 3 is accumulated excessively is avoided, and the temperature is effectively reduced.

The heat sink assembly includes a first heat sink 83, the first heat sink 83 is disposed on a side of the second mounting plate 42 away from the first mounting plate 41, and the first heat sink 83 is disposed between the second mounting plate 42 and the PCB 3.

The heat sink assembly further comprises a second heat sink 84, the second heat sink 84 is mounted on the PCB 3 and located below the PCB 3 to dissipate heat from the receiving cavity of the housing 6.

As shown in fig. 1 and 5, the housing 6 includes an upper case 61 and a lower case 62, and the upper case 61 and the lower case 62 are snapped to form a receiving chamber. Second sensor 2, PCB board 3, first support 4 and second support 5 all set up in the chamber that holds of shell 6, and first sensor 1 sets up outside this chamber that holds. Specifically, the thickness of the upper shell 61 is 3mm, and the material of the upper shell 61 is ABS plastic (Acrylonitrile Butadiene Styrene plastic).

Specifically, the upper shell 61 is provided with a first step, the lower shell 62 is provided with a second step, and the first step and the second step are clamped. Specifically, the height of the first step and the height of the second step are both 1 mm.

The housing 6 further includes a top cover 63, and the top cover 63 is disposed above the first sensor 1 to cover the first sensor 1, so as to protect the first sensor 1 and prevent the first sensor 1 from being damaged.

In order to enable the internal sensor structure to be fixed in the receiving cavity, the internal sensor structure and the housing 6 are prevented from colliding during jounce, and therefore the first bracket 4 is fixedly connected to the upper case 61. Further, the upper case 61 and the first bracket 4 are fixed to the upper side and the side surface, respectively, to increase the strength of the fixed connection.

As shown in fig. 4 to 7, the first mounting plate 41 is provided with a first fixing hole 412, the upper case 61 is provided with a first fixing post 612, and the first fixing hole 412 and the first fixing post 612 are connected by a fastener.

In this embodiment, the first fixing holes 412 and the first fixing posts 612 are the same in number and are disposed in a one-to-one correspondence, so as to fix the upper case 61 and the first bracket 4. However, the number of the first fixing holes 412 and the first fixing posts 612 is not limited in this embodiment, as long as the fixing of the upper case 61 and the first bracket 4 can be achieved.

The first connecting plate 44 is provided with a second fixing hole 441, the upper shell 61 is provided with a second fixing column 613, and the second fixing hole 441 is connected with the second fixing column 613 through a fastener.

In this embodiment, the second fixing holes 441 and the second fixing posts 613 are the same in number and are disposed in a one-to-one correspondence, so as to fix the upper case 61 to the side surface of the first bracket 4. However, the number of the second fixing holes 441 and the second fixing posts 613 is not limited in the present embodiment as long as the upper case 61 can be fixed to the first bracket 4.

Further, set up light trap 611 on the epitheca 61, light trap 611 with hold the chamber intercommunication, light trap 611 just sets up with second sensor 2 to make second sensor 2 light transmission, be convenient for second sensor 2 to gather information.

In this embodiment, the number of the second sensors 2 is the same as that of the light holes 611, and the second sensors 2 are arranged in a one-to-one correspondence manner, so that the second sensors 2 can collect information from different viewing angles.

In this embodiment, the sensor assembly further includes a sealing assembly 7, and the sealing assembly 7 is disposed on the light transmission hole 611 to realize sealing of the upper case 61, and when the sensor assembly is used in rainy days, water drops splash into the internal sensor structure to damage components.

Specifically, the sealing assembly 7 includes a UV mirror 71, the UV mirror 71 is disposed on the light transmission hole 611, and a sealing adhesive is coated around the UV mirror 71 to seal the upper case 61. The UV mirror 71 is dedicated for a lens, and can achieve the functions of sealing and water proofing while ensuring the light transmittance of the second sensor 2.

It should be noted that the sensor assembly that this embodiment provided needs to use with other parts cooperations in the car, and when this sensor assembly and other parts installation in the car, lower casing 62 is by other parts cladding in the car, does not expose in the external world, consequently, only need carry on waterproofly to upper casing 61 and can realize the waterproof protection to whole sensor assembly.

As shown in fig. 8 and 9, the second bracket 5 is fixed to the lower case 62 to prevent the internal sensor structure and the housing 6 from being damaged by collision during jounce.

Specifically, the interface panel 51 is provided with a first fastening hole 512, the lower shell 62 is provided with a second fastening hole 622, and the first fastening hole 512 and the second fastening hole 622 are connected by a fastener.

In this embodiment, the first fixing holes 512 and the second fixing holes 622 are the same in number and are arranged in a one-to-one correspondence manner, so as to fix the lower shell 62 and the second bracket 5. However, in the present embodiment, the number of the first fastening holes 512 and the second fastening holes 622 is not limited as long as the lower case 62 and the second bracket 5 can be fixed.

As shown in fig. 7, a through hole 614 is formed in the upper case 61, and the first sensor 1 passes through the through hole 614 and is connected to the top cover 63. The through hole 614 is arranged to expose the first sensor 1 from the accommodating cavity of the housing 6, so that the first sensor 1 can collect information.

As shown in fig. 8 and 9, the heat dissipation air duct includes an air inlet 81 and an air outlet 82 disposed on the housing 6, and both the air inlet 81 and the air outlet 82 are communicated with the accommodating cavity. The heat dissipation air duct communicates the accommodating cavity of the shell 6 with the outside, so that heat is rapidly transferred to the outside, the phenomenon that the heat of the shell 6 or the PCB 3 is accumulated excessively is avoided, and the temperature is effectively reduced. Specifically, the air inlet holes 81 and the air outlet holes 82 are provided at opposite sides of the lower case 62.

In order to accelerate the heat exchange between the air in the accommodating cavity and the outside air, an air draft assembly is arranged on the air outlet 82. The air draft assembly comprises a fan and an air draft mounting plate 85, the air draft mounting plate 85 is mounted at the air outlet 82, and the fan is mounted on the air draft mounting plate 85. The fan is induced draft outward, forms from the fresh air inlet 81 air inlet, and the way holds the chamber, and the wind channel of air-out from exhaust vent 82 again for hold the heat exchange of the air in the chamber and outside air.

In this embodiment, the number of the air inlet holes 81 and the air outlet holes 82 is two, so that the heat dissipation effect is better. However, the number of the air inlet holes 81 and the air outlet holes 82 is not limited in this embodiment, as long as the heat dissipation requirement can be satisfied.

Further, the number of the air draft mounting plates 85 is the same as the number of the fans and is arranged in a one-to-one correspondence manner. Accordingly, the exhaust mounting plates 85 are the same in number as the air outlet holes 82 and are arranged in a one-to-one correspondence.

The air inlet holes 81 and the air outlet holes 82 are provided with net structures to prevent hands or large articles from entering the air inlet holes 81 and the air outlet holes 82.

An opening 621 is formed in the bottom wall of the lower case 62, the opening 621 faces the interface panel 51, and the interface 9 mounted on the interface panel 51 can be exposed through the opening 621, so that the operation is facilitated.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A sensor assembly, comprising:

a first sensor (1);

a second sensor (2);

a PCB board (3) electrically connected with the first sensor (1) and the second sensor (2), respectively;

the first support (4) comprises a first mounting plate (41) and a second mounting plate (42) which are parallel to each other, the first sensor (1) is mounted on the first mounting plate (41), and the second sensor (2) and the PCB (3) are respectively mounted on two sides of the second mounting plate (42).

2. Sensor assembly according to claim 1, further comprising a second holder (5), the second holder (5) being connected with the first holder (4), the second holder (5) comprising an interface panel (51), the interface panel (51) being provided with an interface (9).

3. The sensor assembly according to claim 2, characterized in that it further comprises a housing (6), said housing (6) having a housing cavity, said second sensor (2), said PCB board (3), said first bracket (4) and said second bracket (5) being arranged inside said housing cavity, said first sensor (1) being arranged outside said housing cavity.

4. Sensor assembly according to claim 3, in which the housing (6) comprises a top cover (63), an upper shell (61) and a lower shell (62), the upper shell (61) and the lower shell (62) being snapped together to form the housing chamber, the top cover (63) covering the first sensor (1).

5. The sensor assembly according to claim 4, characterized in that a light-transmitting hole (611) is provided in the upper case (61), the light-transmitting hole (611) communicating with the receiving cavity, the light-transmitting hole (611) facing the second sensor (2).

6. The sensor assembly of claim 5, further comprising a sealing assembly (7), the sealing assembly (7) being disposed on the light transmissive hole (611).

7. The sensor assembly according to claim 3, further comprising a heat dissipation assembly (8), wherein the heat dissipation assembly (8) comprises a heat dissipation air duct, the heat dissipation air duct comprises an air inlet hole (81) and an air outlet hole (82) arranged on the housing (6), and the air inlet hole (81) and the air outlet hole (82) are both communicated with the accommodating cavity.

8. The sensor assembly of claim 7, wherein an air extraction assembly is provided on the air outlet (82).

9. The sensor assembly of claim 7, wherein the heat sink assembly (8) further comprises a first heat sink (83) and a second heat sink (84), the first heat sink (83) being disposed on the second mounting plate (42), the second heat sink (84) being mounted on the PCB board (3).

10. The sensor assembly of claim 4, wherein the lower housing (62) is provided with an opening (621), the opening (621) being disposed opposite the interface panel (51).