CN220381292U

CN220381292U - GNSS receiver

Info

Publication number: CN220381292U
Application number: CN202320852759.7U
Authority: CN
Inventors: 刘前成; 黄仁志; 杨叶; 龙晓荣; 王孟林; 周晓霏; 刘乾庄; 梁山
Original assignee: Shanghai Shuangwei Navigation Technology Co ltd; Shanghai Huace Navigation Technology Ltd
Current assignee: Shanghai Shuangwei Navigation Technology Co ltd; Shanghai Huace Navigation Technology Ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2024-01-23
Anticipated expiration: 2033-04-17

Abstract

The utility model belongs to the technical field of GNSS equipment, and discloses a GNSS receiver which comprises a shell, a camera module, a light-transmitting piece and a sealing ring; the shell is provided with a containing cavity, is also provided with a shooting opening, corresponds to the camera modules one by one, and is provided with a lens seat, the lens seat of the camera module is fixed in the containing cavity, so that displacement is avoided, receiving precision is ensured, the lens seat is also provided with a through hole, and a lens is arranged in the lens seat and can shoot through the through hole and the shooting opening, so that the integrity of a shooting picture is improved; the light-transmitting piece is arranged on the lens seat and is used for sealing and covering the through hole, light can enter the lens through the imaging opening, the light-transmitting piece and the through hole, the imaging function is not affected, and meanwhile, poor process caused by dust entering is reduced; the sealing washer presss from both sides and locates between printing opacity spare and the casing, and all interference fit with the inner wall of printing opacity spare and casing, is favorable to improving GNSS receiver's waterproof dustproof level, increases GNSS receiver's stability. The GNSS receiver is simple and convenient to install, and the requirement of a dust-free workshop in part of assembly is eliminated.

Description

GNSS receiver

Technical Field

The present utility model relates to the technical field of GNSS devices, and in particular, to a GNSS receiver.

Background

The generic term GNSS is a global navigation satellite system (Global Navigation Satellite System), which refers broadly to all satellite navigation systems, including global, regional and enhanced. The international GNSS system is a complex combination system of multiple systems, multiple levels and multiple modes, and provides all-weather, all-day and high-precision positioning, navigation and time service for global users.

At present, because the camera module needs higher dust-free conditions, the installation environment requirements of the camera module and the shell of the GNSS receiver product are harsh, and the assembly is complex; in addition, the waterproof performance of the joint of the camera module and the shell is poor, and the camera module cannot work normally in overcast and rainy weather.

Disclosure of Invention

The utility model aims to provide a GNSS receiver which can simplify the installation of a shooting structure, eliminate the requirement on a dust-free workshop in part of assembly, increase the waterproof performance of the GNSS receiver and improve the stability of the GNSS receiver.

To achieve the purpose, the utility model adopts the following technical scheme:

a GNSS receiver comprising:

the camera comprises a shell, a camera body and a camera body, wherein a containing cavity is arranged in the shell;

the camera module is arranged in one-to-one correspondence with the camera shooting holes, the camera module comprises a lens and a lens seat, the lens seat is arranged in the accommodating cavity, the lens is arranged in the lens seat, and a through hole is formed in one end of the lens seat, which faces the camera shooting holes;

the light transmission piece is arranged on the lens seat and is used for sealing and covering the through hole, and light can enter the lens through the shooting opening, the light transmission piece and the through hole;

the sealing ring is clamped between the light-transmitting piece and the shell in a sealing manner and is in interference fit with the inner wall of the light-transmitting piece and the inner wall of the shell.

Preferably, the shell comprises an upper shell and a lower shell which are detachably connected, and the upper shell and the lower shell are enclosed to form the accommodating cavity; the upper shell and/or the lower shell is/are provided with the camera shooting opening.

Preferably, a mounting post is arranged on the inner wall of the shell, and the lens base is provided with a mounting ear which is connected with the mounting post.

Preferably, the mounting lug is provided with a first mounting hole, the end part of the mounting column, which is far away from the inner wall of the shell, is provided with a second mounting hole, and the connecting piece can be arranged through the first mounting hole and the second mounting hole in a penetrating way.

Preferably, the mounting lug is provided with a mounting sink near one end of the mounting post, the first mounting hole is formed in the bottom of the mounting sink, and the end part, far away from the inner wall of the shell, of the mounting post is inserted into the mounting sink.

Preferably, the sealing ring comprises a sealing body and a sealing flange, the sealing flange is perpendicular to the sealing body, the sealing body is arranged between the light-transmitting piece and the shell, the sealing flange is sleeved on the periphery of the lens seat, and the inner side of the sealing flange is in interference fit with the outer wall of the lens seat.

Preferably, a sealing protrusion is arranged on one side of the sealing ring, which is abutted with the shell; the sealing bulge is arranged around the circumference of the photographing opening.

Preferably, the axis of the image pick-up opening is disposed at an angle to the axis of the housing and extends radially outward of the housing.

Preferably, the lens base faces the end face of the photographing opening, a mounting groove is formed in the end face of the photographing opening, the through hole is formed in the bottom of the mounting groove, the light-transmitting piece is embedded in the mounting groove, the top of the side wall of the mounting groove is flush with one side, away from the bottom of the mounting groove, of the light-transmitting piece, and the sealing ring is clamped between the top of the side wall of the mounting groove and the shell in a sealing mode.

Preferably, the light-transmitting member is sealed and bonded to the groove bottom of the mounting groove.

The utility model has the beneficial effects that:

the GNSS receiver provided by the utility model comprises a shell, a camera module, a light-transmitting piece and a sealing ring, wherein an accommodating cavity is formed in the shell, a camera opening is further formed in the shell, the camera module and the camera opening are arranged in one-to-one correspondence, the camera module comprises a lens and a lens seat, and the lens seat is arranged in the accommodating cavity and used for fixing the camera module and preventing displacement, so that the receiving precision is ensured; the lens seat is provided with a through hole towards one end of the shooting opening, the lens is arranged in the lens seat, light can enter the lens through the shooting opening and the through hole, so that the lens can shoot through the through hole and the shooting opening, and the completeness of a shooting picture is convenient to improve; the light-transmitting piece is arranged on the lens seat and is used for sealing and covering the through hole, light can enter the lens through the imaging opening, the light-transmitting piece and the through hole, the imaging function is not influenced, meanwhile, the poor process caused by dust entering the camera module is greatly reduced, and the requirements on a dust-free workshop are reduced to a certain extent; the sealing washer seal clamp locates between printing opacity spare and the casing, and with the equal interference fit of printing opacity spare and the inner wall of casing, be favorable to improving GNSS receiver's waterproof dustproof level, very big increase GNSS receiver's stability. The GNSS receiver can be simply and conveniently installed, the requirement on a dust-free workshop during part assembly is canceled, the waterproof performance of the GNSS receiver is improved, and the stability of the GNSS receiver is improved.

Drawings

FIG. 1 is a schematic diagram illustrating an assembly of a lower casing and a camera module of a GNSS receiver according to an embodiment of the present utility model;

FIG. 2 is an assembled cross-sectional view of a lower housing and camera module of a GNSS receiver according to an embodiment of the present utility model;

FIG. 3 is an enlarged partial view of portion A of FIG. 2;

FIG. 4 is a schematic diagram illustrating a structure of a camera module of a GNSS receiver according to an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating a structure of a lower casing of a GNSS receiver according to an embodiment of the present utility model;

fig. 6 is a partial enlarged view of a portion B in fig. 5.

In the figure:

1. a lower case; 11. shooting and perforating; 12. a mounting column; 121. a second mounting hole;

2. a camera module; 21. a lens; 22. a lens base; 221. a mounting ear; 2211. a first mounting hole; 2212. installing a sinking groove;

3. a light transmitting member; 4. a seal ring; 41. a sealing body; 411. a sealing protrusion; 42. sealing and flanging; 5. and a connecting piece.

Detailed Description

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

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 6, the present utility model discloses a GNSS receiver, which includes a housing, a camera module 2, a light transmitting member 3 and a sealing ring 4. The shell is internally provided with an accommodating cavity, and functional accessories are placed in the accommodating cavity; the shell is also provided with a camera shooting hole 11 for normal use of the camera module 2, so that the camera module 2 can receive information outside the shell through the camera shooting hole 11; the camera module 2 and the camera opening 11 are arranged in one-to-one correspondence, the camera module 2 comprises a lens 21 and a lens seat 22, and the lens seat 22 is arranged in the accommodating cavity and is used for fixing the camera module 2 so as not to cause displacement, thereby ensuring the receiving precision; the lens seat 22 is provided with a through hole towards one end of the shooting opening 11, the lens 21 is arranged in the lens seat 22, and light can enter the lens 21 through the shooting opening 11 and the through hole, so that the lens 21 can shoot through the through hole and the shooting opening 11, and the completeness of a shooting picture is facilitated; the light-transmitting piece 3 is arranged on one side of the lens seat 22 close to the shell, light can enter the lens 21 through the imaging opening 11, the light-transmitting piece 3 and the through hole, the imaging function is not affected, meanwhile, the bad process caused by dust entering the camera module 2 is greatly reduced, and the requirements on a dust-free workshop are reduced to a certain extent; the sealing washer 4 seal clamp locates between printing opacity spare 3 and the casing, and with the equal interference fit of printing opacity spare 3 and the inner wall of casing, be favorable to improving GNSS receiver's waterproof dustproof level, very big increase GNSS receiver's stability. The GNSS receiver can be simply and conveniently installed, the requirement on a dust-free workshop during part assembly is canceled, the waterproof performance of the GNSS receiver is improved, and the stability of the GNSS receiver is improved.

Further, the shell comprises an upper shell and a lower shell 1 which are detachably connected, the upper shell and the lower shell 1 are enclosed to form a containing cavity, the structure is simple, and the shell is convenient for installing other functional accessories; the upper shell and/or the lower shell 1 are provided with the shooting holes 11, and the shooting holes 11 can be arranged at different positions to more comprehensively receive information outside the shell. In the present embodiment, the camera hole 11 is provided in the lower casing 1 to facilitate receiving information below the GNSS receiver.

Specifically, the end face of the lens seat 22 facing the photographing opening 11 is provided with an installation groove, a through hole is formed in the bottom of the installation groove, the light-transmitting piece 3 is embedded in the installation groove, the light-transmitting piece 3 is pre-positioned, the top of the side wall of the installation groove is flush with one side of the light-transmitting piece 3 away from the bottom of the installation groove, and the sealing ring 4 is partially clamped between the top of the side wall of the installation groove and the shell in a sealing manner, so that the top of the side wall of the installation groove can be in interference fit with the sealing ring 4; the internal diameter of mounting groove and the external diameter cooperation of printing opacity spare 3, and all be greater than the aperture of making a video recording trompil 11, the internal diameter that sealing washer 4 is close to the trompil 11 one end of making a video recording slightly is little with the aperture of making a video recording trompil 11, consequently when sealing washer 4 simultaneously with printing opacity spare 3, the top of mounting groove's lateral wall and the inner wall interference fit of casing, sealing washer 4 receives the extrusion still can not shelter from the integrality that influences making a video recording, and the installation stability of protection printing opacity spare 3.

Preferably, the light-transmitting piece 3 and the bottom of the mounting groove are sealed and bonded, and the light-transmitting piece 3 and the camera module 2 can be fixed in advance by setting back glue, so that the light-transmitting piece 3 and the camera module 2 become an assembly body, the assembly body can realize dust prevention and water drainage earlier, the stability of the assembly body is further ensured, the light-transmitting piece 3 is firmly mounted, and the assembly of the subsequent assembly body and the sealing ring 4 is more convenient.

Optionally, the sealing ring 4 further includes a sealing body 41 and a sealing flange 42, where the sealing flange 42 is perpendicular to the sealing body 41 and can wrap one end of the lens seat 22 near the housing; the sealing body 41 is arranged between the light-transmitting piece 3 and the shell, the sealing flange 42 is sleeved on the periphery of the lens seat 22, the inner side of the sealing flange 42 is in interference fit with the outer wall of the lens seat 22, the sealing ring 4 and the lens 21 can be independently installed, the sealing body is assembled in advance, meanwhile, the good sealing performance of the camera module 2 is guaranteed, a dust-free workshop with high requirements is not needed when the camera module 2 is installed with the shell subsequently, the working flow is simplified, and the camera module 2 can be protected from dust better in advance.

As shown in fig. 3, a sealing protrusion 411 is arranged on one side of the sealing ring 4, which is abutted against the shell, when the shell is matched with the sealing ring 4, the sealing protrusion 411 is extruded to deform until the sealing ring 4 is integrally abutted against the shell, so that interference fit between the sealing ring 4 and the shell is achieved, and the purpose is to prevent the sealing ring 4 from being excessively deformed due to direct extrusion force when the sealing ring 4 is assembled with the shell, so that displacement is generated and the dustproof effect is lost; the sealing protrusion 411 is provided around the circumference of the imaging aperture 11, improves wear resistance, and has a good mating effect.

In this embodiment, the sealing protrusion 411 is provided with two circles on the sealing body 41 along the circumferential direction of the imaging opening 11, so that the sealing protrusion can be better in interference fit with the housing, and does not move between the sealing protrusions, thereby providing better sealing performance.

As shown in fig. 2 to 4 in particular, a mounting post 12 is provided on the inner wall of the housing, a mount 221 is provided on the lens holder 22, the mount 221 is connected to the mounting post 12, and the lens holder 22 is fixedly connected to the lower case 1, thereby fixing the position of the lens 21. In this embodiment, the lens base 22 is provided with two mounting lugs 221, which are respectively connected with the two corresponding mounting posts 12, so that the lens base 22 is more stably mounted.

As a preferred embodiment, the mounting ear 221 is provided with a first mounting hole 2211, and at a corresponding position, an end portion of the mounting post 12 away from the inner wall of the housing is provided with a second mounting hole 121, and a connecting member 5 as shown in fig. 3 can be threaded through the first mounting hole 2211 and the second mounting hole 121, and the mounting post 12 and the mounting ear 221 are connected by the connecting member 5, and the camera module 2 can be fixed. The connecting member 5 may be, for example, a fixing screw, through which the mounting post 12 and the mounting ear 221 can be detachably connected, so as to facilitate disassembly and assembly.

In this embodiment, the mounting ear 221 is further provided with a mounting sink 2212 near the end of the mounting post 12, and the mounting sink 2212 can be matched with the mounting post 12; the first mounting hole 2211 is formed in the bottom of the mounting sink 2212, the end portion, far away from the inner wall of the shell, of the mounting column 12 is inserted into the mounting sink 2212, the mirror base 22 can be pre-positioned, then the first mounting hole 2211 and the second mounting hole 121 are formed in the connecting piece 5 in a penetrating mode, the camera module 2 is fixed, and mounting is simpler and more convenient. The mounting column 12 and the mounting sink 2212 have tolerance zone precision requirements of plus or minus 0.045MM, and the mounting sink 2212 and the mounting column 12 are in precision fit, so that the camera module 2 is precisely positioned, and information with higher precision is received.

Further, the axis of the photographing opening 11 is disposed at an angle with the axis of the housing, and extends towards the radial outside of the housing, so as to provide a better field of view for the GNSS receiver, and facilitate the co-processing of the received information in cooperation with the images photographed by the camera modules 2 at other angles.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

A gnss receiver, comprising:

a housing provided with a receiving cavity therein, the housing being provided with a camera opening (11);

the camera module (2) is arranged in one-to-one correspondence with the camera shooting holes (11), the camera module (2) comprises a lens (21) and a lens seat (22), the lens seat (22) is arranged in the accommodating cavity, the lens (21) is arranged in the lens seat (22), and a through hole is formed in one end of the lens seat (22) facing the camera shooting holes (11);

the light-transmitting piece (3) is arranged on the lens seat (22) and is used for sealing and covering the through hole, and light can enter the lens (21) through the shooting opening (11), the light-transmitting piece (3) and the through hole;

and the sealing ring (4) is clamped between the light-transmitting piece (3) and the shell in a sealing manner, and is in interference fit with the inner walls of the light-transmitting piece (3) and the shell.
2. GNSS receiver according to claim 1, characterised in that the casing comprises an upper casing and a lower casing (1) which are detachably connected, the upper casing and the lower casing (1) enclosing the receiving cavity; the upper shell and/or the lower shell (1) is/are provided with the camera opening (11).
3. GNSS receiver according to claim 1, characterized in that the inner wall of the housing is provided with a mounting post (12), the mirror mount (22) is provided with a mounting ear (221), the mounting ear (221) being connected with the mounting post (12).
4. A GNSS receiver according to claim 3, wherein the mounting ear (221) is provided with a first mounting hole (2211), the end of the mounting post (12) remote from the inner wall of the housing is provided with a second mounting hole (121), and the connecting piece (5) can be threaded through the first mounting hole (2211) and the second mounting hole (121).
5. The GNSS receiver of claim 4, wherein a mounting sink (2212) is provided at an end of the mounting ear (221) close to the mounting post (12), the first mounting hole (2211) is provided at a bottom of the mounting sink (2212), and an end of the mounting post (12) away from the inner wall of the housing is inserted into the mounting sink (2212).
6. The GNSS receiver of claim 1, wherein the sealing ring (4) comprises a sealing body (41) and a sealing flange (42), the sealing flange (42) is perpendicular to the sealing body (41), the sealing body (41) is arranged between the light-transmitting member (3) and the housing, the sealing flange (42) is sleeved on the periphery of the lens holder (22), and the inner side of the sealing flange (42) is in interference fit with the outer wall of the lens holder (22).
7. GNSS receiver according to claim 1, characterised in that the side of the sealing ring (4) abutting against the housing is provided with a sealing protrusion (411); the sealing protrusion (411) is provided around the circumference of the imaging aperture (11).
8. GNSS receiver according to any of the claims 1 to 7, characterised in that the axis of the camera aperture (11) is arranged at an angle to the axis of the housing and extends towards the radially outer side of the housing.
9. GNSS receiver according to any of the claims 1-7, characterised in that the end surface of the mirror mount (22) facing the camera aperture (11) is provided with a mounting groove, the through hole is provided at the bottom of the mounting groove, the light transmitting member (3) is embedded in the mounting groove, the top of the side wall of the mounting groove is flush with the side of the light transmitting member (3) away from the bottom of the mounting groove, and the sealing ring (4) is partly clamped between the top of the side wall of the mounting groove and the housing.
10. GNSS receiver according to claim 9, characterised in that the light-transmitting member (3) is sealingly bonded to the groove bottom of the mounting groove.