CN220961857U - Millimeter wave radar structure - Google Patents
Millimeter wave radar structure Download PDFInfo
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- CN220961857U CN220961857U CN202323078158.4U CN202323078158U CN220961857U CN 220961857 U CN220961857 U CN 220961857U CN 202323078158 U CN202323078158 U CN 202323078158U CN 220961857 U CN220961857 U CN 220961857U
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- circuit board
- millimeter wave
- wave radar
- base
- wire harness
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- 230000013011 mating Effects 0.000 claims description 22
- 238000004804 winding Methods 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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Abstract
The utility model provides a millimeter wave radar structure, which comprises a shell, a circuit board and a connector, wherein the shell comprises a base and an antenna housing, the upper end of the base is provided with a groove, the antenna housing is arranged at the upper end of the base to form a closed space together with the groove, the circuit board is fixedly arranged in the closed space, the circuit board is of a single-board structure, the connector comprises a wire harness assembly and an interface, one end of the wire harness assembly is fixedly connected to the circuit board, the other end of the wire harness assembly is connected with the interface, and the interface is arranged outside the closed space. The utility model can accommodate more functional components on the premise of ensuring the compact and portable overall structure, can replace different connectors according to different plug-ins, has stronger compatibility, and is not only suitable for various automobiles, but also suitable for vehicles such as motorcycles, electric vehicles and the like.
Description
Technical Field
The utility model relates to the technical field of millimeter wave radars, in particular to a millimeter wave radar structure.
Background
With the advent of the intelligent driving age, intelligent automobiles have increasingly higher requirements for safety, and the automobiles need more sensors with higher precision and better reliability to further improve the safety of drivers and the capability of detecting and identifying the surrounding environment of the vehicles. Among them, a millimeter wave radar, which is a commonly used vehicle-mounted radar, has an important role in intelligent driving, and can measure a distance, an angle, a speed, etc. with a measured object. Currently, millimeter wave radars in the market are generally characterized in that a double-plate structure is adopted or a plurality of circuit boards are arranged in the millimeter wave radars, so that the internal space of other functional components of the millimeter wave radars is smaller, or the volume of the millimeter wave radars is increased, the millimeter wave radars are inconvenient to install and arrange, are generally applied to automobiles, are installed at the left and right positions of the inner sides of the rear bumper shells of the automobiles, and have certain limitations.
Disclosure of utility model
The utility model mainly aims to provide a millimeter wave radar structure, and aims to provide a millimeter wave radar structure with small external size, wide internal space and high compatibility.
To achieve the above object, the present utility model provides a millimeter wave radar structure comprising:
the shell comprises a base and an antenna housing, wherein the upper end of the base is provided with a groove, and the antenna housing is arranged at the upper end of the base to form a closed space together with the groove;
The circuit board is fixedly arranged in the closed space and is of a single-board structure; and
The connector comprises a wire harness assembly and an interface, wherein one end of the wire harness assembly is fixedly connected to the circuit board, the other end of the wire harness assembly is connected with the interface, and the interface is arranged outside the closed space.
Optionally, the millimeter wave radar structure further includes a plurality of support columns disposed at intervals on the circumference side of the bottom surface of the recess, and upper ends of the plurality of support columns are in contact with lower ends of the circuit board.
Optionally, the upper end of each support column is provided with a first mounting hole, and the circuit board is provided with a plurality of second mounting holes corresponding to a plurality of first mounting holes, so that a plurality of external screws penetrate through the second mounting holes and the first mounting holes, and the circuit board is fixed inside the closed space.
Optionally, the millimeter wave radar structure further includes a heat dissipating device disposed inside the enclosed space, where the heat dissipating device includes a plurality of first heat dissipating bosses disposed in a middle portion of a bottom surface of the recess, and the plurality of first heat dissipating bosses contact with a lower surface of the circuit board.
Optionally, the heat dissipating device further includes a plurality of second heat dissipating bosses disposed on an inner side surface of the radome, and the plurality of second heat dissipating bosses contact with an upper surface of the circuit board to conduct heat in the circuit board.
Optionally, a via hole is formed on one side surface of the base;
One end of the wire harness assembly passes through the via hole to be connected with the circuit board.
Optionally, the connector further comprises a fixing structure, the fixing structure comprising:
The wire winding sleeve is fixedly sleeved outside the wire harness assembly; and
And the pressing plate is fixedly arranged on the wire winding sleeve, and is detachably connected with the side surface of the base, which is provided with the via hole.
Optionally, the connector further comprises a rubber ring, wherein the rubber ring is sleeved outside the wire winding sleeve and located between the pressing plate and the corresponding side face of the base.
Optionally, on the surface that the base and the radome laminate, one of them is provided with the cooperation groove, and another is provided with the cooperation portion, the cooperation portion with the cooperation groove can joint cooperation.
Optionally, the mating surface of at least one of the mating groove and the mating portion is coated with a sealant.
According to the technical scheme provided by the utility model, the circuit board is arranged to be of a single-board structure, so that the space inside the millimeter wave radar is vacated, more functional components can be accommodated on the premise of ensuring the small and light overall structure, and the interface is more flexible, different connectors can be replaced according to different plug-ins by connecting the interface with the wire harness assembly and arranging the interface outside the closed space, so that the compatibility is stronger, and the millimeter wave radar is applicable to various vehicles, motorcycles, electric vehicles and other vehicles.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a millimeter wave radar structure provided by the present utility model.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 1000 | Millimeter wave radar structure | 3 | Connector with a plurality of connectors |
| 1 | Shell body | 31 | Wire harness assembly |
| 11 | Base seat | 32 | Interface |
| 111 | Groove | 33 | Fixing structure |
| 112 | Matching groove | 331 | Wire winding sleeve |
| 12 | Antenna housing | 332 | Pressing plate |
| 121 | Mating part | 34 | Rubber ring |
| 2 | Circuit board | 4 | Support column |
| 21 | Second mounting hole | 41 | First mounting hole |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
With the advent of the intelligent driving age, intelligent automobiles have increasingly higher requirements for safety, and the automobiles need more sensors with higher precision and better reliability to further improve the safety of drivers and the capability of detecting and identifying the surrounding environment of the vehicles. Among them, a millimeter wave radar, which is a commonly used vehicle-mounted radar, has an important role in intelligent driving, and can measure a distance, an angle, a speed, etc. with a measured object. Currently, millimeter wave radars in the market are generally characterized in that a double-plate structure is adopted or a plurality of circuit boards are arranged in the millimeter wave radars, so that the internal space of other functional components of the millimeter wave radars is smaller, or the volume of the millimeter wave radars is increased, the millimeter wave radars are inconvenient to install and arrange, are generally applied to automobiles, are installed at the left and right positions of the inner sides of the rear bumper shells of the automobiles, and have certain limitations.
The utility model mainly aims to provide a millimeter wave radar structure, and aims to provide a millimeter wave radar structure with small external size, wide internal space and high compatibility. Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Referring to fig. 1, the present utility model provides a millimeter wave radar structure 1000, which includes a housing 1, a circuit board 2 and a connector 3, wherein the housing 1 includes a base 11 and a radome 12, a groove 111 is provided at an upper end of the base 11, the radome 12 is covered at an upper end of the base 11 to form a closed space together with the groove 111, the circuit board 2 is fixedly mounted in the closed space, the circuit board 2 is in a single board structure, the connector 3 includes a wire harness assembly 31 and an interface 32, one end of the wire harness assembly 31 is fixedly connected to the circuit board 2, the other end is connected to the interface 32, and the interface 32 is disposed outside the closed space.
In the technical scheme provided by the utility model, the circuit board 2 is arranged to be of a single-board structure, so that the space inside the millimeter wave radar is vacated, more functional components can be accommodated on the premise of ensuring the small and light overall structure, and the interface 32 is more flexible and can be replaced by different plug-ins through connecting the interface 32 with the wire harness assembly 31 and arranging the interface outside the closed space, so that the compatibility is stronger, and the millimeter wave radar is applicable to various vehicles and vehicles such as motorcycles, electric vehicles and the like.
The interface 32 is detachably connected to the other end of the harness assembly 31. By the design, different interfaces 32 can be replaced more conveniently according to different plug-ins, so that different types of vehicle models can be adapted. For vehicles with narrower vehicle bodies such as motorcycles, electric vehicles and the like, the millimeter wave radar structure 1000 can be directly arranged right behind the vehicle body, and only one radar is required to be arranged, so that the use cost is reduced.
It should be noted that, in order to facilitate the replacement of the connector 3, the circuit board 2 is welded with a connector, and the connector is detachably connected with one end of the wire harness assembly 31. Since the wire harness assembly 31 is exposed to the outside of the enclosed space and is easily damaged, replacement is often required. Through setting up the plug connector, the pencil assembly 31 can be directly with circuit board 2 is connected, and need not to adopt complicated fixed operation can realize the change of connector 3, convenient and fast.
In an embodiment, referring to fig. 1, the millimeter wave radar structure 1000 further includes a plurality of support columns 4 disposed at intervals on the circumference side of the bottom surface of the recess 111, and the upper ends of the support columns 4 are in contact with the lower ends of the circuit board 2. In this design, the circuit board 2 is fixed in the enclosed space, and has high stability, and meanwhile, the support columns 4 are distributed on the periphery side, so that the space occupied by the support columns 4 in the middle of the groove 111 can be reduced as much as possible, the accommodating space of other components is increased, and the space utilization rate of the millimeter wave radar structure 1000 is improved. In order to improve the tightness of the radar structure, specifically, a bearing plate is arranged on the periphery of the bottom surface of the groove 111, a bearing surface is formed on the inner side of the bearing plate, a plurality of support columns 4 are arranged on the periphery of the bearing surface, and the upper ends of the support columns 4 are in contact with the lower end of the circuit board 2. By the design, a certain gap is reserved between the parts in the radar structure and the shell 1, so that the parts in the radar structure cannot be damaged at the first time when the shell 1 is damaged, and the protection effect on the parts in the radar structure is achieved.
It should be noted that the specific number and positions of the support columns 4 are not limited in this embodiment, specifically, the grooves 111 are rectangular, the support columns 4 are provided with four, and the four support columns 4 are respectively disposed at four corners of the bottom surface of the groove 111.
Further, referring to fig. 1, a first mounting hole 41 is provided at an upper end of each support column 4, and a plurality of second mounting holes 21 are provided on the circuit board 2 corresponding to a plurality of the first mounting holes 41, so that a plurality of external screws penetrate through the second mounting holes 21 and the first mounting holes 41 to fix the circuit board 2 inside the enclosed space. With this design, the degree of freedom of the circuit board 2 is completely limited, and is prevented from being damaged by external force to move inside the closed space. It should be noted that, in this embodiment, the number of the second mounting holes 21 may be identical to or different from the number of the first mounting holes 41, which only needs to ensure that the circuit board 2 can be completely locked, and specifically, two second mounting holes 21 are disposed on opposite corners of the circuit board 2.
In an embodiment, the millimeter wave radar structure 1000 further includes a heat dissipating device disposed inside the enclosed space, where the heat dissipating device includes a plurality of first heat dissipating bosses disposed in a middle portion of a bottom surface of the recess 111, and the plurality of first heat dissipating bosses are in contact with a lower surface of the circuit board 2. In this design, the circuit board 2 can dissipate heat through the first heat dissipation boss, so as to dissipate heat to the outside of the millimeter wave radar structure 1000, and meanwhile, the first heat dissipation boss can also play a supporting role on the circuit board 2, so as to further increase the stability of the structure. Specifically, in order to eliminate the assembly interference caused by the first heat dissipation boss, a surface of the first heat dissipation boss, which is in contact with the circuit board 2, is coated with a heat conductive gel, and the heat conductive gel is in flexible contact with the circuit board.
Further, the heat dissipating device further includes a plurality of second heat dissipating bosses disposed on the inner side of the radome 12, and the plurality of second heat dissipating bosses contact with the upper surface of the circuit board 2 to conduct heat in the circuit board 2. In this design, the circuit board 2 can also dissipate heat through the second heat dissipation boss, so as to dissipate heat to the outside of the millimeter wave radar structure 1000, and meanwhile, the second heat dissipation boss can also play a role in pressing the circuit board 2, so as to further increase the stability of the structure. Specifically, in order to eliminate the assembly interference caused by the second heat dissipation boss, a surface of the second heat dissipation boss, which is in contact with the circuit board 2, is coated with a heat-conducting gel, which is in flexible contact with the circuit board
It should be noted that, the specific number of the first heat dissipation boss and the second heat dissipation boss is not limited in this embodiment, for example, more bosses are provided to increase the heat dissipation effect, but the weight of the millimeter wave radar structure 1000 is correspondingly increased, the portability is reduced, and less bosses are provided to generally achieve the heat dissipation effect, but the millimeter wave radar structure 1000 is correspondingly lighter.
Specifically, the surfaces of the first heat dissipation boss and the second heat dissipation boss, which are in contact with the circuit board 2, are coated with heat dissipation coatings to further increase heat conduction efficiency. Further, the base 11 is made of a metal material to facilitate heat conduction.
It should be noted that the radome 12 is made of plastic, and a wave-transparent coating layer is coated on the surface of the radome 12. The radome 12 has strong wave permeability, and the waveforms sent and received by the millimeter wave radar structure 1000 are not easy to distort, so that the radome has strong anti-interference capability. It should be noted that, because the base 11 is made of a metal material, and the radome 12 is made of a plastic material, the number of the first heat dissipation bosses is greater than that of the second heat dissipation bosses, so that heat is more dissipated from the base 11 which is easier to conduct heat.
Further, in order to facilitate connection of one end of the wire harness assembly 31 to the circuit board 2 inside the enclosed space, a via hole is provided on one side of the base 11, and one end of the wire harness assembly 31 passes through the via hole to be connected to the circuit board 2.
Further, referring to fig. 1, the connector 3 further includes a fixing structure 33, the fixing structure 33 includes a wire-winding sleeve 331 and a pressing plate 332, the wire-winding sleeve 331 is fixedly sleeved outside the wire harness assembly 31, the pressing plate 332 is fixedly mounted on the wire-winding sleeve 331, and the pressing plate 332 is detachably connected with a side surface of the base 11, on which the via hole is provided. By such design, the wire harness assembly 31 is fixed in the inner and outer directions of the enclosed space, so that the millimeter wave radar structure 1000 is more stable, and meanwhile, the wire harness assembly 31 can be gathered by the wire harness sleeve 331, so that the scattering of lines is prevented.
Further, referring to fig. 1, in order to improve the waterproof performance of the base 11 at the via hole, the connector 3 further includes a rubber ring 34, and the rubber ring 34 is sleeved outside the wire harness winding sleeve 331 and between the pressing plate 332 and a side surface corresponding to the base 11. Specifically, in order to compress the seal ring, a plurality of mounting holes are formed on the corresponding sides of the pressing plate 332 and the base 11, so that a plurality of mounting holes are penetrated by a plurality of external screws.
In an embodiment, referring to fig. 1, one of the surfaces of the base 11 and the radome 12 is provided with a mating groove 112, and the other is provided with a mating portion 121, and the mating portion 121 and the mating groove 112 can be in clamping fit. By means of the design, the tight fit between the antenna housing 12 and the base 11 is achieved through a simple structure. It should be noted that, the specific positions of the fitting groove 112 and the fitting portion 121 are not limited in this embodiment, and may be disposed on the inner/outer side wall surface of the base 11 or the radome 12, or may be directly disposed on the upper/lower ends of the side wall surface of the base 11 or the radome 12, and in actual situations, different strategies may be changed according to the requirements of users.
Further, in order to enhance the stability of the snap-fit of the fitting portion 121 with the fitting groove 112 and the waterproof property of the snap-fit, the fitting surface of at least one of the fitting groove 112 and the fitting portion 121 is coated with a sealant. The mating surface refers to a surface that contacts the two parts after they are clamped together, for example, a mating surface on the mating groove 112 is an inner wall surface of the mating groove 112, and a mating surface on the mating portion 121 is an outer wall surface of the mating portion 121.
In addition, the outer edge of the radome 12 is outwardly convex with a bump to provide an adhesion point when the millimeter wave radar structure 1000 needs to be disassembled.
It should be noted that, the millimeter wave radar structure 1000 further includes a plurality of mounting blocks disposed on the outer side surface of the base 11, and each mounting block is provided with a mounting hole for being matched with a mounting shaft on an external millimeter wave radar mounting bracket. The millimeter wave radar structure 1000 can be directly mounted on the tail of an electric vehicle, a motorcycle or the like through the mounting block, and is simple in structure and convenient to mount.
The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A millimeter wave radar structure, comprising:
the shell comprises a base and an antenna housing, wherein the upper end of the base is provided with a groove, and the antenna housing is arranged at the upper end of the base to form a closed space together with the groove;
The circuit board is fixedly arranged in the closed space and is of a single-board structure; and
The connector comprises a wire harness assembly and an interface, wherein one end of the wire harness assembly is fixedly connected to the circuit board, the other end of the wire harness assembly is connected with the interface, and the interface is arranged outside the closed space.
2. The millimeter wave radar structure of claim 1, further comprising a plurality of support columns provided at intervals on a peripheral side of the bottom surface of the recess, upper ends of the plurality of support columns being in contact with lower ends of the circuit board.
3. The millimeter wave radar structure of claim 2, wherein each of the support columns is provided at an upper end thereof with a first mounting hole, and the circuit board is provided with a plurality of second mounting holes corresponding to the plurality of first mounting holes, for allowing a plurality of external screws to pass through the second mounting holes and the first mounting holes to fix the circuit board inside the enclosed space.
4. The millimeter wave radar structure of claim 2, further comprising a heat dissipating device disposed inside the enclosed space, the heat dissipating device comprising a plurality of first heat dissipating bosses disposed in a middle portion of the bottom surface of the recess, the plurality of first heat dissipating bosses being in contact with the lower surface of the circuit board.
5. The millimeter wave radar structure of claim 4, wherein said heat dissipating device further comprises a plurality of second heat dissipating bosses disposed on an inner side of said radome, said plurality of second heat dissipating bosses being in contact with an upper surface of said circuit board for conducting heat in said circuit board.
6. The millimeter wave radar structure of claim 1, wherein a via is provided on a side of the base;
One end of the wire harness assembly passes through the via hole to be connected with the circuit board.
7. The millimeter wave radar structure of claim 6, wherein the connector further comprises a securing structure comprising:
The wire winding sleeve is fixedly sleeved outside the wire harness assembly; and
And the pressing plate is fixedly arranged on the wire winding sleeve, and is detachably connected with the side surface of the base, which is provided with the via hole.
8. The millimeter wave radar structure of claim 7, wherein said connector further comprises a rubber ring sleeved outside said wire harness sleeve and located between said pressure plate and a corresponding side of said base.
9. The millimeter wave radar structure of claim 1, wherein one of the surfaces of the base and the radome is provided with a mating groove, and the other is provided with a mating portion, and the mating portion and the mating groove can be in clamping fit.
10. The millimeter wave radar structure of claim 9, wherein a mating surface of at least one of the mating groove and the mating portion is coated with a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323078158.4U CN220961857U (en) | 2023-11-14 | 2023-11-14 | Millimeter wave radar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323078158.4U CN220961857U (en) | 2023-11-14 | 2023-11-14 | Millimeter wave radar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220961857U true CN220961857U (en) | 2024-05-14 |
Family
ID=91007875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323078158.4U Active CN220961857U (en) | 2023-11-14 | 2023-11-14 | Millimeter wave radar structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220961857U (en) |
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2023
- 2023-11-14 CN CN202323078158.4U patent/CN220961857U/en active Active
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