CN208984793U - Millimetre-wave radar - Google Patents

Abstract

The utility model provides a kind of millimetre-wave radar, belongs to Radar Technology field, which includes shell and the rf board being arranged in the accommodating cavity of shell, limiting gasket, barricade, power panel；And, limiting gasket is respectively arranged between rf board and barricade, between barricade and power panel, between power panel and the bottom surface of accommodating cavity, limiting gasket is in contact with accommodating cavity wall to conduct heat to shell, and power panel and radio frequency plate earthing can be made, the spacing of rf board, barricade, power panel and shell is adjusted by limiting gasket to meet the electronic component on power panel and rf board and other components and there is reasonable spacing, meet heat dissipation and Electro Magnetic Compatibility demand, ensures the working performance of millimetre-wave radar.

Description

Millimetre-wave radar

Technical field

The utility model relates to Radar Technology fields, and in particular to a kind of millimetre-wave radar.

Background technique

Barricade, power panel, rf board in existing millimetre-wave radar with shell when assembling, above-mentioned each component Between be all made of the mode directly contacted with shell, each component during the work time, can generate amount of heat, cause first device Heat dissipation effect is bad between part, also, is also easy to be acted on by electromagnetic interference between each element, influences the usability of radar Energy.

Utility model content

The purpose of this utility model is to provide a kind of millimetre-wave radar, which can solve existing millimeter wave The above-mentioned deficiency of radar can reach the positioning to barricade, power panel, rf board by limiting gasket, meet heat dissipation and electricity The demand of magnetic compatibility.

Based on above-mentioned purpose, millimetre-wave radar provided by the utility model, comprising: shell, rf board, limiting gasket, screen Shield plate, power panel；

The shell has accommodating cavity, and the rf board, the barricade and the power panel are set gradually from top to bottom In the accommodating cavity, also, between the rf board and the barricade, between the barricade and the power panel, institute It states and is respectively arranged with the limiting gasket between power panel and the bottom surface of the accommodating cavity, the limiting gasket and accommodating cavity wall It is in contact to conduct heat to the shell and the power panel and the radio frequency plate earthing can be made.

In above-mentioned technical proposal, rf board, barricade, power panel and accommodating cavity bottom surface between pass through limit pad respectively It encloses to realize that the spacing between each element adjusts, limiting gasket realizes the same of the positioning of barricade, power panel, rf board When, due to the heating conduction of itself, shell can be transferred heat to, the thermal contact resistance between three and shell is reduced, mentions Heat dissipation performance between high each component, can also reduce power panel and between electronic component and antenna on rf board Electromagnetic interference effect, to promote whole Electro Magnetic Compatibility.

Further, at least one guide post is arranged along its short transverse in the internal chamber wall of the accommodating cavity,

The rf board, limiting gasket, barricade and power panel side correspond to the position setting of the guide post to Accommodate the guide groove of the guide post.

In above-mentioned technical proposal, the form used using guide groove cooperation guide post can facilitate rf board, limit pad Circle, barricade, power panel are installed, so that the installation direction of each element be avoided to generate mistake, and can be avoided each element Rotation is generated in accommodating cavity.

Further, further include fixedly connected part, fixation hole, the fixedly connected part cooperation are provided in the guide post The fixation hole is connected, and can be pressed together on the rf board so that the rf board, limiting gasket, barricade and power panel It is fixed in accommodating cavity.

In above-mentioned technical proposal, using the type of attachment of fixedly connected part cooperation fixation hole, rf board, barricade can be made It is fixed in accommodating cavity with power panel, reduces manufacture and installation difficulty, there is higher easy assembling.

Further, the limiting gasket uses metal material；Limiting gasket reduces between above-mentioned each element and shell Thermal contact resistance, be more advantageous to heat dissipation.

Further, the rf board, the barricade and the power panel are respectively set to circle.Power panel, shielding Plate, rf board circular configuration be relatively easy the high processing of realization and positioning accuracy, there is higher easy assembling.

Further, which further includes front cover, and the front cover is arranged in the rf board far from the accommodating It the side of the bottom surface of chamber and is connect with the shell, front cover plays the role of closing accommodating cavity, while front cover being required to have wave transparent Characteristic.

Further, the first sealing ring is provided between the shell and the contact surface of the front cover.To ensure accommodating The sealing performance that the intracavitary each element in portion is isolated from the outside.

Further, the shell, the accommodating cavity and the front cover are provided in round.Similarly, shell, accommodating cavity and The circular configuration of front cover is relatively easy realization processing and positioning accuracy, has higher easy assembling.

Further, which further includes connector, the hole site PIN of face power panel in the accommodating cavity of shell First mounting groove is set, and the connector and shell are detachably connected far from the side of accommodating cavity, the PIN needle energy of the connector Enough connected by the hole PIN of first mounting groove and power panel.

In above-mentioned technical proposal, the first mounting groove plays positioning and guiding role to connector, to make plug connector PIN needle can be quickly plugged in the hole PIN of power panel；Convenient for carrying out dismounting and change to connector, additionally it is possible to be adapted to radar Property do not have to model automobile on use, improve the practicability of radar.

Further, the second sealing ring is provided between the connector and the shell, to improve connector and shell Sealing performance between first mounting groove of body, avoids external moisture or sundries from entering shell accommodating cavity by the first mounting groove It is interior.

Further, the shell also sets up the second mounting groove with accommodating cavity perforation, in second mounting groove Waterproof ventilated membrane is installed so that enclosure interior is discharged and sends out steam thermogenetic, hull outside steam is realized and is sealed, also, shell Inside patch this static seal form of waterproof ventilated membrane, realizes seal failure caused by being not easy to be contacted by applied external force.

Further, the shell is provided with heat-radiation belt far from the side of the accommodating cavity, and the heat-radiation belt includes multiple Protrude from the heat sink of the surface of shell.

The heat dissipation area of surface of shell can be effectively increased using heat sink, to greatly improve the element to enclosure interior Heat dissipation performance.

By adopting the above technical scheme, the technical effect of millimetre-wave radar provided by the utility model has:

The utility model is provided in millimetre-wave radar, including shell, rf board, limiting gasket, barricade, power panel；Shell Body has accommodating cavity, and rf board, barricade and power panel are successively set in accommodating cavity from top to bottom, also, rf board and screen It is respectively arranged with limiting gasket between shield plate, between barricade and power panel, between power panel and the bottom surface of accommodating cavity, passes through limit The spacing of position washer adjustment rf board, barricade, power panel and shell；

In above-mentioned technical proposal, rf board, barricade, power panel and accommodating cavity bottom surface between pass through limit pad respectively It encloses to realize that the spacing between each element adjusts, limiting gasket realizes the same of the positioning of barricade, power panel, rf board When, due to the heating conduction of itself, shell can be transferred heat to and power supply plate earthing can be made, reduce three and shell Between thermal contact resistance, electromagnetic interference between the electronic component and antenna on power panel and rf board can also be reduced and made With ensureing the working performance of millimetre-wave radar to promote whole Electro Magnetic Compatibility.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the decomposition texture schematic diagram of millimetre-wave radar provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of millimetre-wave radar provided by the embodiment of the utility model.

Fig. 3 is the bottom view of Fig. 2；

Fig. 4 is the structural schematic diagram of the shell in millimetre-wave radar provided by the embodiment of the utility model.

Appended drawing reference: 100- shell；110- accommodating cavity；The first mounting groove of 120-；The second sealing ring of 130-；140- second pacifies Tankage；150- heat-radiation belt；160- connecting plate；170- guide post；180- guide groove；190- fixedly connected part；200- rf board； 300- limiting gasket；400- barricade；500- power panel；600- front cover；The first sealing ring of 700-；800- connector；900- is anti- Water ventilated membrane.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Fig. 1 shows the decomposition texture schematic diagram of millimetre-wave radar provided by the embodiment of the utility model；Fig. 2 shows this The structural schematic diagram for the millimetre-wave radar that utility model embodiment provides；Fig. 3 shows the bottom view of Fig. 2；Fig. 4 shows this reality With the structural schematic diagram of the shell in the millimetre-wave radar of new embodiment offer.

As Figure 1-Figure 4, millimetre-wave radar provided by the utility model, comprising: shell 100, rf board 200, limit Washer 300, barricade 400 and power panel 500.

Shell 100 can be arbitrary shape, specifically be set according to use environment, in the present embodiment, with circular shell For body 100, it is illustrated.

As shown in figure 4, having accommodating cavity 110 inside shell 100, which is preferably arranged to circular cavity.

As shown in Figure 1, the central axis direction of rf board 200, barricade 400 and power panel 500 along shell 100, from up to Under be successively set in accommodating cavity 110, also, between rf board 200 and barricade 400, barricade 400 and power panel 500 Between, between power panel 500 and the bottom surface of accommodating cavity 110 be respectively arranged with limiting gasket 300, adjusted by limiting gasket 300 The spacing of rf board 200, barricade 400 and power panel 500, also, the cavity wall phase of each limiting gasket 300 and accommodating cavity 110 Contact, can be conducted the heat that each element generates to shell 100 using limiting gasket 300；In addition, on power panel 500 Hardware where surface on surround hardware be arranged copper sheet, copper sheet can with preferably use metal material limit pad 300 contact of circle, limiting gasket 300 are also in contact with the inner wall of shell 100, and power panel 500 is made to be in ground state；Meanwhile On the surface where hardware on rf board 200 surround hardware be arranged copper sheet, copper sheet can with preferably use metal The limiting gasket 300 of material contacts, which is also in contact with the inner wall of shell 100, can make at rf board 200 In ground state.

In above-mentioned technical proposal, limiting gasket 300 realizes the axial direction to barricade 400, power panel 500, rf board 200 While positioning, due to the heating conduction of itself, the heat that each component generates can be timely transmitted to shell 100, reduced Thermal contact resistance between three and shell 100, is more advantageous to heat dissipation, additionally it is possible to be in power panel 500 and rf board 200 and connect Ground state；Also, it is at regular intervals due to having between rf board 200, barricade 400 and power panel 500, it can reduce electronics member Electromagnetic interference effect between device and antenna, to promote whole Electro Magnetic Compatibility.

In one preferred embodiment of the utility model, limiting gasket 300 uses metal material, such as thermally conductive, conductive The good copper or irony of property；Or the non-metallic material etc. of periphery package metal layer, it can be right respectively using limiting gasket 300 Between rf board 200 and barricade 400, between barricade 400 and power panel 500,100 accommodating cavity 110 of power panel 500 and shell Bottom surface between be separated positioning, make to form certain space between each element, meanwhile, limiting gasket 300 reduces above-mentioned Thermal contact resistance between each element and shell 100 is more advantageous to heat dissipation.

As shown in Figure 1, the internal chamber wall of accommodating cavity 110 is along its height side in a preferred embodiment of the utility model To at least one guide post 170 of setting, rf board 200, limiting gasket 300, the side difference of barricade 400 and power panel 500 Guide groove 180 to accommodate guide post 170 is set, also, the position of guide groove 180 is corresponding with the position of guide post 170.

When it is implemented, two to three guide posts 170 can be arranged on the internal chamber wall of accommodating cavity 110, also, in radio frequency Plate 200, limiting gasket 300, barricade 400, power panel 500 circumferential direction two to three corresponding guide posts 170 are respectively set The guide groove 180 of position, in assembly, the form for cooperating guide post 170 to use using guide groove 180 can be penetrated conveniently Frequency plate 200, limiting gasket 300, barricade 400, power panel 500 are installed, so that the installation direction of each element be avoided to produce Raw mistake, plays the role of fool-proof design, and can be avoided each element and generate rotation in accommodating cavity 110.

In addition, the millimetre-wave radar further includes fixedly connected part 190, quantity and the guide post 170 of fixedly connected part 190 Quantity matches, and is provided with fixation hole in above-mentioned each guide post 170, and fixedly connected part 190 is fixedly connected hole, and And fixedly connected part 190 can be pressed together on rf board 200, so that rf board 200, limiting gasket 300, barricade 400 and electricity Source plate 500 is fixed on 110 in accommodating cavity.

Above-mentioned fixedly connected part 190 preferably uses screw, and fixation hole uses threaded hole, can be right using the nut of screw Rf board 200 provides pressure, so that rf board 200, barricade 400 and power panel 500 and limiting gasket 300 are fixed on accommodating cavity In 110, manufacture and installation difficulty are reduced, there is higher easy assembling.

In one preferred embodiment of the utility model, rf board 200, barricade 400 and power panel 500 are respectively set For circle.Power panel 500, barricade 400, rf board 200 circular configuration be relatively easy the high processing of realization and positioning accuracy, tool There is higher easy assembling.

In one preferred embodiment of the utility model, which further includes front cover 600, and front cover 600 is arranged In the side of bottom surface of the rf board 200 far from accommodating cavity 110, and front cover 600 is connect with shell 100, and front cover 600, which plays closing, to be held Set the effect of chamber 110.

The first sealing ring 700 is additionally provided between shell 100 and the contact surface of front cover 600, to ensure accommodating cavity 110 Internal each element is isolated with the external world, improves sealing performance.

In addition, shell 100, accommodating cavity 110 and front cover 600 are provided in round.Similarly, shell 100,110 and of accommodating cavity The circular configuration of front cover 600 is relatively easy the high processing of realization and positioning accuracy, has higher easy assembling.

As shown in Figure 1 and Figure 4, in a preferred embodiment of the utility model, which further includes patching Part 800, the first mounting groove 120 is arranged in the hole site PIN of face power panel 500 in the accommodating cavity 110 of shell 100, first peace Tankage 120 runs through the thickness direction of the shell 100, and side of the connector 800 with shell 100 far from accommodating cavity 110 detachably connects It connects, the PIN needle of connector 800 can be connect by the first mounting groove 120 with the hole PIN of power panel 500.First mounting groove 120 The positioning to connector 800 and guiding role are played, so that the PIN needle of plug connector 800 be enable quickly to be plugged on power panel 500 The hole PIN in, convenient for connector 800 carry out dismounting and change；Simultaneously, additionally it is possible to making radar suitability in the vapour for not having to model It is used on vehicle, improves the practicability of radar.

When concrete application, the second sealing ring 130 is provided between connector 800 and shell 100, to improve connector Sealing performance between 800 and the first mounting groove 120 of shell 100, avoid external moisture or sundries by the first mounting groove 120 into Enter into the accommodating cavity 110 of shell 100.

In one preferred embodiment of the utility model, shell 100 also sets up the second installation penetrated through with accommodating cavity 110 Slot 140 is equipped with waterproof ventilated membrane 900 in second mounting groove 140 so that the steam of 100 inner heat of shell generation is discharged, also, Using the static seal form for pasting waterproof ventilated membrane 900 inside shell 100, it is not easy to seal caused by being contacted by applied external force and loses Effect, at the same to shell 100 outside steam and sundries realize be isolated, avoid external moisture or sundries from entering in shell 100.

In one preferred embodiment of the utility model, shell 100 is provided with heat-radiation belt far from the side of accommodating cavity 110 150, heat-radiation belt 150 includes multiple heat sinks for protruding from 100 surface of shell.When specific setting, multiple heat sinks are preferably used It is arranged in parallel, the heat dissipation area on 100 surface of shell can be effectively increased using heat sink, to greatly improve in shell 100 The heat dissipation performance of the element in portion.

In one preferred embodiment of the utility model, it is additionally provided with connecting plate 160 in 100 side of shell, the connection Plate 160 is preferably provided with 3-4, is provided with connecting hole on connecting plate 160, ball-and-socket is equipped in connecting hole, logical using ball-and-socket The components such as connection ball-and-socket joint are crossed, radar can be conveniently mounted on vehicle.

The technical effect of above-mentioned millimetre-wave radar provided by the embodiment of the utility model has:

1. limiting gasket 300 realizes the positioning of barricade 400, power panel 500, rf board 200, itself is utilized Heating conduction, shell 100 can be conducted heat to, the thermal contact resistance between three and shell 100 is reduced, be more advantageous to Heat dissipation, can also reduce power panel and the electromagnetic interference between electronic component and antenna on rf board acts on, to mention Rise whole Electro Magnetic Compatibility.

2. barricade 400, power panel 500, rf board 200 and limiting gasket 300 can be total to using fixedly connected part 190 Together with location and installation, compared to traditional radar arrangement, manufacture and installation difficulty are reduced, there is higher easy assembling.

3. shell 100, rf board 200, barricade 400 and power panel 500 be provided in round structure be easily achieved it is higher Processing and positioning accuracy have higher easy assembling.

4. using the static seal form of waterproof ventilated membrane 900 inside shell 100, it is not easy caused by being contacted by applied external force Seal failure, at the same to outside shell 100 steam or sundries realize isolation, avoid external moisture or sundries from entering shell In 100.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of millimetre-wave radar, which is characterized in that including shell, rf board, limiting gasket, barricade, power panel；

The shell has accommodating cavity, and the rf board, the barricade and the power panel are successively set on institute from top to bottom State in accommodating cavity, also, between the rf board and the barricade, between the barricade and the power panel, the electricity The limiting gasket is respectively arranged between source plate and the bottom surface of the accommodating cavity, the limiting gasket connects with accommodating cavity wall Touching is to conduct heat to the shell and can make the power panel and the radio frequency plate earthing.

2. millimetre-wave radar according to claim 1, which is characterized in that

At least one guide post is arranged along its short transverse in the internal chamber wall of the accommodating cavity,

The rf board, limiting gasket, barricade and power panel side correspond to the position of the guide post and be arranged to accommodate The guide groove of the guide post.

3. millimetre-wave radar according to claim 2, which is characterized in that further include fixedly connected part, in the guide post It is provided with fixation hole, the fixedly connected part mating connection fixation hole, and can be pressed together on the rf board so that institute Rf board, limiting gasket, barricade and power panel is stated to be fixed in accommodating cavity.

4. millimetre-wave radar according to claim 1, which is characterized in that the rf board, the barricade and the electricity Source plate is respectively set to circle.

5. millimetre-wave radar according to claim 1, which is characterized in that further include front cover, the front cover is arranged described It the side of bottom surface of the rf board far from the accommodating cavity and is connect with the shell.

6. millimetre-wave radar according to claim 5, which is characterized in that between the shell and the contact surface of the front cover It is provided with the first sealing ring.

7. millimetre-wave radar according to claim 1, which is characterized in that further include connector, in the accommodating cavity of shell just First mounting groove is arranged to the hole site PIN of power panel, the connector and shell are detachably connected far from the side of accommodating cavity, The PIN needle of the connector can be connected by the hole PIN of first mounting groove and power panel.

8. millimetre-wave radar according to claim 7, which is characterized in that be provided between the connector and the shell Second sealing ring.

9. millimetre-wave radar according to claim 1, which is characterized in that the shell is also set up to be penetrated through with the accommodating cavity The second mounting groove, waterproof ventilated membrane is installed in second mounting groove enclosure interior is discharged and sends out steam thermogenetic, together When can steam to hull outside or sundries be isolated.

10. millimetre-wave radar according to claim 1, which is characterized in that side of the shell far from the accommodating cavity It is provided with heat-radiation belt, the heat-radiation belt includes multiple heat sinks for protruding from the surface of shell.