CN107889431A - A kind of radiator structure of millimetre-wave radar - Google Patents
A kind of radiator structure of millimetre-wave radar Download PDFInfo
- Publication number
- CN107889431A CN107889431A CN201711187093.3A CN201711187093A CN107889431A CN 107889431 A CN107889431 A CN 107889431A CN 201711187093 A CN201711187093 A CN 201711187093A CN 107889431 A CN107889431 A CN 107889431A
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- CN
- China
- Prior art keywords
- millimetre
- microwave
- radiator structure
- wave radar
- printed substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035515 penetration Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 238000005034 decoration Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012546 transfer Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 238000010586 diagram Methods 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000009966 trimming Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 230000007903 penetration ability Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention provides a kind of radiator structure of millimetre-wave radar, including bonnet, radar mask, printed substrate assembly and decoration, radar mask cooperatively forms sealing structure with bonnet, radar mask includes thermal conductivity region and the first microwave penetration region, and the thermal conductivity region of radar mask is raised in the heat conduction that sealing structure is internally formed several with thermal conductivity region connects as one;Printed substrate assembly is placed in sealing structure, and several heater members that printed substrate assembly has microwave antenna and is distributed on printed substrate assembly, microwave antenna is corresponding with the first microwave penetration region, heater members and heat conduction projection contacts;Decoration is bonded with radar mask, and decoration has the second microwave penetration region corresponding with microwave antenna.The present invention can make heat caused by heater members, and quickly conduction to outside, can realize the good penetration energy of microwave, can also save installing space.
Description
Technical field
The present invention relates to automobile sensor field, relates more specifically to a kind of radiator structure of millimetre-wave radar.
Background technology
With the development of auto industry, increasing sophisticated technologies start to be assemblied among automobile, and one of which is
Vehicle-mounted millimeter wave radar, and to the performance requirement of vehicle-mounted millimeter wave radar also more and more higher in practical application, it is adjoint therewith to ask
Topic is that its internal electronic device and circuit power consumption are also bigger, and heating is more violent.Millimetre-wave radar of the prior art is usually
Radiated by radar housing, the aesthetics of vehicle is influenceed in order to avoid millimetre-wave radar part is exposed, therefore, generally by millimeter wave
Radar is installed on behind automobile plastic bumper, decoration parts or logo.However, in these regions due to no air-flow by,
Heat caused by radar work is only capable of leaning on radar housing natural heat dissipation.
Further, since vehicle body exterior trimming parts needs to realize certain decorative effect, different decorative effects corresponds to different only
Vertical part, these parts are generally fixed by way of buckle, screw or bonding, due to these generally with millimetre-wave radar portion
Part is installed on same region, therefore, the fixed structure of these parts or installation will strong influence millimetre-wave radar property
Can, such as, vehicle body exterior trimming parts is arranged on body support or is directly installed on exterior trimming parts assembly, and this kind of part extremely pays close attention to spelling
Connect position, the element precision in other regions requires relatively low, but the millimetre-wave radar but material to shelter, location and shape etc.
There is higher requirement, therefore, these structures necessarily limit the type selecting of the device of vehicle-mounted millimeter wave radar and the performance of product.
CN105990273A discloses a kind of radar face mask structure with microwave penetration and heat conduction, and it possesses:Antenna base
Plate, it is provided with the antenna part of transmitting-receiving electric wave on the surface of side;High-frequency circuit, it is arranged on the surface of antenna substrate,
Carry out the generation for the electric wave to be sent and the processing of received electric wave;And housing, it stores antenna substrate and height
Frequency circuit.Housing has the cover portion for the face side for being arranged to cover antenna substrate.Cover portion includes:Through portion, it makes electric wave saturating
Cross;And heat-conduction part, it has the pyroconductivity bigger than the pyroconductivity of through portion.Heat-conduction part is directly or across a socket part
Part contacts with high-frequency circuit, it is described between relay part there is the pyroconductivity bigger than the pyroconductivity of through portion.Due in the device
The direct or indirect Contact antenna of conductive structure grounding parts, the design for having device for the side can not then radiate.
CN107200068A discloses a kind of vehicle front body structure, for avoiding the thermal current of enging cabin from influenceing millimeter wave
Radar, the configuration of its guide duct the front of engine and with radar installations adjacent position in the vehicle width direction.In addition, lead
The exhaust outlet of airduct is open on vehicle above-below direction near radar installations.Radar installations configures in the vehicle width direction
In the position adjacent with radiator.Guide duct is configured in the side opposite with radiator relative to radar installations.Exhaust outlet is opened
Open area is formed as less than the aperture area of air inlet.But the actual radiating effect of the device directly radiates effect not as radar
Fruit is good.
The content of the invention
It is an object of the invention to provide a kind of radiator structure of millimetre-wave radar, so as to solve vehicle-mounted thunder of the prior art
Up to device radiation is ineffective and part between influence each other the problem of.
In order to solve the above-mentioned technical problem, the technical scheme is that providing a kind of radiator structure of millimetre-wave radar,
The radiator structure includes:Bonnet;Radar mask, the radar mask cooperatively form sealing structure, the thunder with the bonnet
Include thermal conductivity region and the first microwave penetration region up to mask, the thermal conductivity region of the radar mask is in the sealing structure
The heat conduction projection that portion connects as one formed with several with the thermal conductivity region;And printed substrate assembly, the printing
Wiring board assembly is placed in the sealing structure, and the printed substrate assembly has microwave antenna and is distributed in the print
Several heater members on brush wiring board assembly, the microwave antenna is corresponding with the first microwave penetration region, the hair
Thermal device and the heat conduction projection contacts;And decoration, the decoration are bonded with the radar mask, the decoration tool
There is the second microwave penetration region corresponding with the microwave antenna.
According to one embodiment of present invention, several described heater members of the printed substrate assembly are located at respectively
The relative two sides of the printed substrate assembly, the heater members and the heat conduction wherein in one side are raised directly or indirectly
Contact, the heater members on another side directly contact or by the printed substrate assembly with heat conduction projection
Conductive structure and the heat conduction projection mediate contact.
According to one embodiment of present invention, the heater members on the printed substrate assembly another side with it is described
Heat conduction projects through the heat-transfer device mediate contact through the printed substrate assembly.
According to one embodiment of present invention, the heat-transfer device is exposed metal.
According to one embodiment of present invention, the area in the second microwave penetration region is not less than institute on the decoration
State the area in the first microwave penetration region.
According to one embodiment of present invention, the thickness of the decoration is not more than 1mm.
According to one embodiment of present invention, the pyroconductivity of the decoration is not less than 0.2w/ (m*k).
According to one embodiment of present invention, the area in the first microwave penetration region is not less than the microwave antenna
Region area.
According to one embodiment of present invention, the microwave penetration region wearing for frequency 20GHz-90GHz microwave
Saturating rate is not less than 90%.
According to one embodiment of present invention, the pyroconductivity of the thermal conductivity region is not less than 150w/ (m*k).
In the radiator structure of millimetre-wave radar provided by the invention, the thermal conductivity region of radar mask by heat conduction boss or
Heat-transfer device directly contacts with heater members, so that heat can be fast in time caused by the heater members in PCBA board
The conduction of speed realizes quick heat radiating to outside.The present invention use the material of high microwave penetration rate to realize well penetrating for microwave
Performance, while decoration also possesses fabulous microwave penetration ability, enough area is passed through so that it is guaranteed that being provided for microwave antenna
And the fabulous performance for passing through condition, ensureing millimetre-wave radar.The radiator structure of millimetre-wave radar provided by the invention simultaneously
Size can also be accomplished smaller to save installing space.
Brief description of the drawings
Fig. 1 is the exploded perspective view of the radiator structure of millimetre-wave radar according to a preferred embodiment of the present invention;
Fig. 2 is the structural representation according to the PCBA board of the radiator structure of Fig. 1 millimetre-wave radar;
Fig. 3 is the back structures schematic diagram according to the radar mask of the radiator structure of Fig. 1 millimetre-wave radar;
Fig. 4 is the overall side cross section structure diagram according to the radiator structure of Fig. 1 millimetre-wave radar;
Fig. 5 is the enlarged diagram according to the E parts of the radiator structure of Fig. 4 millimetre-wave radar;
Fig. 6 is the enlarged diagram according to the F parts of the radiator structure of Fig. 4 millimetre-wave radar;
Fig. 7 is the schematic cross-sectional view according to the other direction of the radiator structure of Fig. 1 millimetre-wave radar.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.It should be understood that following examples are merely to illustrate this
Invention is not for limitation the scope of the present invention.
Fig. 1 be according to the exploded perspective view of the radiator structure of the millimetre-wave radar of a preferred embodiment of the present invention, by
Fig. 1 understands, the radiator structure of millimetre-wave radar provided by the invention include bonnet 10, printed substrate assembly (PCBA board) 20,
Radar mask 30 and appearance ornamental pieces 40, wherein, bonnet 10 matches somebody with somebody the box body for being combined into sealing with radar mask 30, and PCBA board is held
It is placed in the box body, appearance ornamental pieces 40 are covered in the surface of radar mask 30.
More specifically, in the embodiment shown in fig. 1, what bonnet 10 protruded including bonnet body 11 and from bonnet body 11
Bonnet Access Division 12, bonnet Access Division 12, which is inserted in radar mask 30, has realized that the sealing of bonnet 10 and radar mask 30 coordinates,
So as to ensure the water proof and dust proof performance of whole product.The dustproof and waterproof ability of whole sealed product is not less than IP67.
Fig. 2 is the structural representation of the PCBA board of the radiator structure of the millimetre-wave radar according to Fig. 1, can by Fig. 1 combinations Fig. 2
Know, PCBA board 20 includes PCBA board body 22 and the microwave antenna 21 being configured on PCBA board body 22, microwave antenna 21 are excellent
Selection of land is configured at the center of PCBA board body 22, and several hairs not of uniform size are distributed with the front of PCBA board body 22 and the back side
Thermal device 23, in the embodiment shown in fig. 1, the larger heater members 23 of two areas are configured at the back of the body of PCBA board body 22
Face, the less heater members 23 of three areas are configured at the front of PCBA board body 22;The front of PCBA board body 22 is also set up
There is exposed metal 24, exposed metal 24 is connected through PCBA board body 22 with heater members 23.
Fig. 3 is to be combined according to the back structures schematic diagram of the radar mask of the radiator structure of Fig. 1 millimetre-wave radar, Fig. 1
Fig. 3 understands that radar mask 30 includes parts of plastics 31 and metal part 32, the wherein periphery of parts of plastics 31 and metal part 32
Connect, parts of plastics 31 is microwave penetration region, and parts of plastics 31 is not small for the penetrance of frequency 20GHz-90GHz microwave
In 90%, the area of parts of plastics 31 is not less than the region area of microwave antenna 21;The pyroconductivity of metal part 32 is not less than
150w/(m*k).The back side of radar mask 20 also includes several metal bumps 33, and metal bump 33 is connected with metal part 32,
Positive with PCBA board body 22 heater members 23 and exposed metal 24 are corresponding respectively for the position that metal bump 33 is set.
Fig. 4 is according to the overall side cross section structure diagram of the radiator structure of Fig. 1 millimetre-wave radar, according to Fig. 5
The enlarged diagram of the E parts of the radiator structure of Fig. 4 millimetre-wave radar, it is positive from Fig. 4 combination Fig. 5, PCBA board 20
Exposed metal 24 is connected through PCBA board body 22 with the heater members 23 at the back side, the metal bump 33 at the back side of radar mask 20
Surface is contacted with exposed metal 24 to realize the heat transfer of heater members 23.It is it will be apparent to a skilled person that exposed
Metal 24 can be also connected to realize heat transfer by the elastic heat conducting material being placed in PCBA board body 22 with heater members 23,
This is repeated no more.
Fig. 6 is according to the enlarged diagram of the F parts of the radiator structure of Fig. 4 millimetre-wave radar, it will be appreciated from fig. 6 that PCBA
The positive heater members 23 of plate 20 directly with the back of radar mask 20 corresponding to metal bump 33 contact to realize heat transfer.
Fig. 7 is according to the schematic cross-sectional view of the other direction of the radiator structure of Fig. 1 millimetre-wave radar, as shown in Figure 7, outside
See decoration 40 to be installed on radar mask 30 by bonding or strippable mode, in order to ensure the peace of appearance ornamental pieces 40
Dress technique, the surface profile for the part that the outside of radar mask 30 is used to paste appearance ornamental pieces 40 are not more than 0.3mm.Decorative appearance
The thickness of part 40 is not more than 1mm, and pyroconductivity is not less than 0.2w/ (m*k).The preferably generally microwave penetration of appearance ornamental pieces 40
Region, appearance ornamental pieces 40 are not less than 90%, on appearance ornamental pieces 40 for the penetrance of frequency 20GHz-90GHz microwave
Area of the area in microwave penetration region not less than the microwave penetration region on radar mask 30.Appearance ornamental pieces 40 directly expose
In air, the air-flow that vehicle flows in motion process can directly blow over appearance ornamental pieces 40.Plastics on radar mask 30
Part 31 by using the material of high microwave penetration rate to realize the good penetration energy of microwave, while appearance ornamental pieces 40 due to
Thinner thickness also possesses fabulous microwave penetration ability, and enough area and pole are passed through so that it is guaranteed that being provided for microwave antenna 21
The good performance for passing through condition, ensureing millimetre-wave radar.
In the radiator structure of millimetre-wave radar provided by the invention, the metal part of the outside good heat conductivity of radar mask 30
32 are directly connected to appearance ornamental pieces 40, and metal part 32 is straight by metal bosses 33 or exposed metal 24 and heater members 23
Contact so that heat caused by heater members 23 inside and outside PCBA board 20 can quickly conduct to
Outside, realize quick heat radiating.The radiator structure of millimetre-wave radar provided by the invention is simple in construction simultaneously, and technological process is succinct,
Size can be accomplished smaller to save installing space.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.What i.e. every claims and description according to the present patent application were made
Simply, equivalent changes and modifications, the claims of patent of the present invention are fallen within.The not detailed description of the present invention is
Routine techniques content.
Claims (10)
1. a kind of radiator structure of millimetre-wave radar, it is characterised in that the radiator structure includes:
Bonnet;
Radar mask, the radar mask cooperatively form sealing structure with the bonnet, and the radar mask includes thermal conductivity region
And the first microwave penetration region, the thermal conductivity region of the radar mask have been internally formed several and institute in the sealing structure
It is raised to state the heat conduction that thermal conductivity region connects as one;And
Printed substrate assembly, the printed substrate assembly are placed in the sealing structure, the printed substrate assembly
With microwave antenna and several heater members being distributed on the printed substrate assembly, the microwave antenna with it is described
First microwave penetration region is corresponding, the heater members and the heat conduction projection contacts;And
Decoration, the decoration are bonded with the radar mask, and the decoration has corresponding with the microwave antenna the
Two microwave penetration regions.
2. the radiator structure of millimetre-wave radar according to claim 1, it is characterised in that the printed substrate assembly
Several described heater members are respectively positioned at the relative two sides of the printed substrate assembly, the heating element wherein in one side
Part and the heat conduction are raised directly or indirectly to be contacted, the heater members on another side directly contacted with heat conduction projection or
Person passes through the conductive structure on the printed substrate assembly and the heat conduction projection mediate contact.
3. the radiator structure of millimetre-wave radar according to claim 2, it is characterised in that the printed substrate assembly is another
The heater members on simultaneously connect indirectly with the heat-transfer device that the heat conduction is projected through through the printed substrate assembly
Touch.
4. the radiator structure of millimetre-wave radar according to claim 3, it is characterised in that the heat-transfer device is exposed gold
Category.
5. the radiator structure of millimetre-wave radar according to claim 1, it is characterised in that described second on the decoration
The area in microwave penetration region is not less than the area in the first microwave penetration region.
6. the radiator structure of millimetre-wave radar according to claim 5, it is characterised in that the thickness of the decoration is little
In 1mm.
7. the radiator structure of millimetre-wave radar according to claim 5, it is characterised in that the pyroconductivity of the decoration
Not less than 0.2w/ (m*k).
8. the radiator structure of millimetre-wave radar according to claim 1, it is characterised in that the first microwave penetration region
Area be not less than the microwave antenna region area.
9. the radiator structure of millimetre-wave radar according to claim 1, it is characterised in that the microwave penetration region for
The penetrance of frequency 20GHz-90GHz microwave is not less than 90%.
10. the radiator structure of millimetre-wave radar according to claim 1, it is characterised in that the heat biography of the thermal conductivity region
Conductance is not less than 150w/ (m*k).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711187093.3A CN107889431A (en) | 2017-11-24 | 2017-11-24 | A kind of radiator structure of millimetre-wave radar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711187093.3A CN107889431A (en) | 2017-11-24 | 2017-11-24 | A kind of radiator structure of millimetre-wave radar |
Publications (1)
Publication Number | Publication Date |
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CN107889431A true CN107889431A (en) | 2018-04-06 |
Family
ID=61774895
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CN201711187093.3A Pending CN107889431A (en) | 2017-11-24 | 2017-11-24 | A kind of radiator structure of millimetre-wave radar |
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CN (1) | CN107889431A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111751804A (en) * | 2019-03-29 | 2020-10-09 | 深圳市速腾聚创科技有限公司 | Laser radar device |
CN111867344A (en) * | 2019-04-30 | 2020-10-30 | 安波福技术有限公司 | Radar unit with heat transfer via radome |
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CN202077290U (en) * | 2011-05-13 | 2011-12-14 | 亚旭电脑股份有限公司 | Heat radiation type casing of communication equipment |
CN202196772U (en) * | 2011-08-22 | 2012-04-18 | 温州银河电子有限公司 | Printed circuit board chip packaging radiating structure |
CN103904396A (en) * | 2014-03-14 | 2014-07-02 | 中国电子科技集团公司第十三研究所 | Millimeter wave chip gas tightness packaging structure based on SIW |
CN106546974A (en) * | 2015-09-23 | 2017-03-29 | 北京行易道科技有限公司 | A kind of small-sized millimetre-wave radar sensor device |
CN206074806U (en) * | 2016-09-12 | 2017-04-05 | 深圳卓影科技有限公司 | A kind of Automobile Millimeter Wave Radar device |
-
2017
- 2017-11-24 CN CN201711187093.3A patent/CN107889431A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202077290U (en) * | 2011-05-13 | 2011-12-14 | 亚旭电脑股份有限公司 | Heat radiation type casing of communication equipment |
CN202196772U (en) * | 2011-08-22 | 2012-04-18 | 温州银河电子有限公司 | Printed circuit board chip packaging radiating structure |
CN103904396A (en) * | 2014-03-14 | 2014-07-02 | 中国电子科技集团公司第十三研究所 | Millimeter wave chip gas tightness packaging structure based on SIW |
CN106546974A (en) * | 2015-09-23 | 2017-03-29 | 北京行易道科技有限公司 | A kind of small-sized millimetre-wave radar sensor device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111751804A (en) * | 2019-03-29 | 2020-10-09 | 深圳市速腾聚创科技有限公司 | Laser radar device |
CN111751804B (en) * | 2019-03-29 | 2024-04-09 | 深圳市速腾聚创科技有限公司 | Laser radar device |
CN111867344A (en) * | 2019-04-30 | 2020-10-30 | 安波福技术有限公司 | Radar unit with heat transfer via radome |
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Application publication date: 20180406 |