Split type ultra wide band UWB antenna

Abstract

The utility model provides a split-type ultra wide band UWB antenna, and the antenna comprises a housing which is internally provided with an installation space; the clamping groove is formed in one side of the mounting space; the main circuit board is arranged in the installation space and located on the outer side of the clamping groove. The antenna circuit board is mounted in the clamping groove; the radio frequency connector comprises a connector base, a connector wire harness and a connector joint, the connector base is arranged on the surface of the main circuit board, one end of the connector wire harness is connected with the antenna circuit board, the other end of the connector wire harness is connected with the connector joint, and the connector wire harness penetrates through the clamping groove so that the connector joint can be connected with the connector base. According to the utility model, the problems of low production speed and reduced arrangement area of components are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile control, and particularly relates to a split ultra-wideband (UWB) antenna. Background Art

[0002] With the development of automobile intelligence, the functions carried by the in-vehicle ultra-wideband (UWB) antenna are becoming more and more complex. In the traditional method, multiple UWB antennas with relatively simple functions are controlled separately and then the function integration is realized through the vehicle wiring harness transmission network.

[0003] Currently, the antennas of ultra-wideband UWB antennas generally adopt on-board antennas, that is, the antenna shape is etched on a printed circuit board assembly (PCBA), or an antenna in the form of sheet metal is welded on the PCBA. On the one hand, the etching and welding processes are slow, resulting in a slow production speed; on the other hand, clearance is required around the antenna, reducing the area for component layout. Content of the Utility Model

[0004] The problems solved by the utility model are the slow production speed and the reduction of the area for component layout.

[0005] To solve the above problems, the utility model provides a split ultra-wideband UWB antenna, which comprises: a housing with an installation space therein; a card slot provided on one side of the installation space; a main circuit board disposed in the installation space and outside the card slot; an antenna circuit board mounted in the card slot; a radio frequency connector, which includes a connector base, a connector wire harness and a connector joint. The connector base is disposed on the surface of the main circuit board. One end of the connector wire harness is connected to the antenna circuit board, and the other end is connected to the connector joint. The connector wire harness passes through the card slot to connect the connector joint with the connector base.

[0006] The technical effects achieved after adopting this technical solution are as follows: The antenna circuit board of the split ultra-wideband UWB antenna is installed inside the housing through the split card slot of the housing. The connector wire harness is placed in the card slot for positioning to avoid the shaking of the connector wire harness. The connector joint is connected to the connector base on the main circuit board to realize the reception and processing of antenna signals. During the installation process, the steps of etching or welding are saved, and the installation efficiency is higher. At the same time, there is no interference from other signal sources around the connector joint, and the signal directivity is good. In addition, the space of the main circuit board is saved, which is convenient for arranging other components.

[0007] Further, the card slot includes a limiting plate disposed between the main circuit board and the antenna circuit board. The limiting plate is provided with a limiting groove for passing the connector wire harness.

[0008] The technical effects achieved after adopting this technical solution are as follows: The limiting plate is used for the positioning and installation of the antenna circuit board to prevent the antenna circuit board from loosening or being damaged due to displacement; the limiting groove is used for the positioning and installation of the connector wire harness, facilitating wiring and also indicating the installation direction of the antenna circuit board.

[0009] Further, the housing includes a lower housing. The main circuit board is installed in the lower housing, and the card slot is connected to the lower housing. Wherein, one side of the limiting groove away from the lower housing has a wire harness installation opening for accommodating the passage of the connector wire harness.

[0010] The technical effects achieved after adopting this technical solution are as follows: After the antenna circuit board is positioned and installed through the limiting plate, the connector wire harness can be inserted into the limiting groove from the installation opening above the limiting plate, facilitating the fixing of the connector joint.

[0011] Further, the card slot further includes a support plate obliquely disposed on the lower housing, and the antenna circuit board is installed on the support plate.

[0012] The technical effects achieved after adopting this technical solution are as follows: Since clearance is required above the antenna to avoid interference, there is a certain distance from the top of the housing. The obliquely disposed support plate can utilize the upper area, thereby reducing the horizontal size of the split ultra-wideband UWB antenna and making the signal of the antenna circuit board have better directivity.

[0013] Further, one end of the support plate close to the limiting plate is lower than the end of the support plate away from the limiting plate, and at least a part of the end of the antenna circuit board away from the limiting plate extends out of the support plate to form a handle portion.

[0014] The technical effects achieved after adopting this technical solution are as follows: When the antenna circuit board needs to be disassembled, the connector base can be opened, and the antenna circuit board can be pulled out from the support plate through the handle portion, thereby improving the efficiency of disassembly and replacement.

[0015] Further, the card slot further includes an abutting portion disposed between the support plate and the limiting plate. When the antenna circuit board is obliquely disposed on the support plate, the bottom end of the antenna circuit board is disposed on the abutting portion.

[0016] The technical effects achieved after adopting this technical solution are as follows: The abutting portion is used to support the bottom end of the antenna circuit board.

[0017] Further, the card slot further includes: a baffle, the baffle is disposed above the support plate, a sliding space is formed between the baffle and the support plate, the sliding space matches the antenna circuit board, and the antenna circuit board is installed in the card slot through the sliding space.

[0018] The technical effects achieved by adopting this technical solution: The baffle and the support plate are used to lock the position of the antenna circuit board, avoiding the antenna circuit board from detaching from the support plate when the integrated ultra-wideband UWB antenna vibrates or shakes as a whole, and improving the installation stability of the antenna circuit board.

[0019] Further, the lower housing includes at least one positioning structure located on the periphery of the installation space; the main circuit board includes at least one matching structure that cooperates with the positioning structure.

[0020] The technical effects achieved by adopting this technical solution: The positioning structure is used to position and install the main circuit board in the horizontal direction, avoiding the main circuit board from shifting or colliding with the housing during the use of the integrated ultra-wideband UWB antenna.

[0021] Further, the housing further includes: a snap structure and an upper housing, the snap structure is located inside the upper housing and is used to connect with the lower housing.

[0022] The technical effects achieved by adopting this technical solution: The snap structure realizes the quick clamping and matching of the upper housing and the lower housing, and the upper housing and the lower housing can also be quickly disassembled by pulling the snap structure, thus improving the disassembly and assembly efficiency.

[0023] Further, the snap structure includes a snap groove and a locking protrusion, the snap groove is opened on the inner side of the upper housing, the locking protrusion is disposed on the outer side of the lower housing, and the locking protrusion cooperates with the snap groove; wherein, the top of the locking protrusion has a guiding surface.

[0024] The technical effects achieved by adopting this technical solution: When the upper housing and the lower housing are matched, the edge of the snap groove slides along the guiding surface of the locking protrusion and deforms outward until the locking protrusion enters the snap groove, and then the snap groove rebounds to achieve locking, so the installation efficiency of the upper housing and the lower housing is higher.

[0025] In summary, each of the above technical solutions of the present application may have one or more of the following advantages or beneficial effects: i) The antenna circuit board of the split ultra-wideband UWB antenna is installed inside the housing through the split card slots of the housing. The connector wire harness is placed in the card slot for positioning to avoid the shaking of the connector wire harness. The connector joint is connected to the connector base on the main circuit board to realize the reception and processing of antenna signals; ii) The steps of etching or welding are saved, the installation efficiency is higher, and there is no interference from other signal sources around the connector joint, so the signal directivity is good. At the same time, the space of the main circuit board is saved to facilitate the arrangement of other components; iii) The inclined support plate can utilize the upper area, thereby reducing the horizontal size of the split ultra-wideband UWB antenna and making the signal of the antenna circuit board have better directivity; iv) The baffle and the support plate are used to lock the position of the antenna circuit board to avoid the antenna circuit board detaching from the support plate when the whole split ultra-wideband UWB antenna vibrates or shakes, improving the stability of the installation of the antenna circuit board. Description of the Drawings

[0026] Figure 1 FIG. is a schematic structural diagram of a split ultra-wideband UWB antenna provided by an embodiment of the present utility model;

[0027] Figure 2 is Figure 1 an exploded view of the split ultra-wideband UWB antenna in;

[0028] Figure 3 is Figure 2 a connection schematic diagram of the main circuit board and the antenna circuit board in;

[0029] Figure 4 is Figure 1 a cross-sectional view of the split ultra-wideband UWB antenna in.

[0030] Description of the Reference Numerals:

[0031] 100 - Split ultra-wideband UWB antenna; 110 - Housing; 111 - Upper housing; 112 - Lower housing; 113 - Positioning structure; 114 - Snap structure; 120 - Card slot; 121 - Limiting plate; 122 - Limiting groove; 123 - Support plate; 124 - Abutting portion; 125 - Baffle; 130 - Main circuit board; 140 - Antenna circuit board; 142 - Handhold portion; 150 - RF connector; 151 - Connector base; 152 - Connector joint; 153 - Connector wire harness. Detailed Embodiment

[0032] The purpose of the present utility model is to provide a split ultra-wideband UWB antenna for the effects of high installation efficiency and space saving of the split ultra-wideband UWB antenna.

[0033] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings.

[0034] See Figures 1-4 , the present utility model provides a split ultra-wideband UWB antenna 100, and the split ultra-wideband UWB antenna 100 includes: a housing 110 with an installation space therein; a card slot 120 provided on one side of the installation space; a main circuit board 130 disposed in the installation space and located outside the card slot 120; an antenna circuit board 140 installed in the card slot 120; a radio frequency connector 150, the radio frequency connector 150 includes a connector base 151, a connector wire harness 153, and a connector joint 152, the connector base 151 is disposed on the surface of the main circuit board 130, one end of the connector wire harness 153 is connected to the antenna circuit board 140, the other end is connected to the connector joint 152, and the connector wire harness 153 passes through the card slot 120 to connect the connector joint 152 with the connector base 151.

[0035] In this embodiment, the antenna circuit board 140 of the split ultra-wideband UWB antenna 100 is installed inside the housing 110 through the split card slot 120 of the housing 110. The connector wire harness 153 is placed in the card slot 120 for positioning to avoid the shaking of the connector wire harness 153. The connector joint 152 is connected to the connector base 151 on the main circuit board 130 to realize the reception and processing of antenna signals; the steps of etching or welding are saved during the installation process, and the installation efficiency is higher. Moreover, there is no interference from other signal sources around the connector joint 152, and the signal directivity is good. At the same time, the space of the main circuit board 130 is saved to facilitate the arrangement of other components.

[0036] Preferably, the card slot 120 and the housing 110 are of an integral structure, or the card slot 120 is a separate part installed inside the housing 110, and no limitation is made here.

[0037] Preferably, the connector joint 152 is an IPEX plug, and the connector base 151 is an IPEX socket.

[0038] In a specific embodiment, the card slot 120 includes: a limiting plate 121 disposed between the main circuit board 130 and the antenna circuit board 140, and the limiting plate 121 is provided with a limiting groove 122 for passing the connector wire harness 153.

[0039] It should be noted that the limiting plate 121 is used for the positioning and installation of the antenna circuit board 140 to prevent the antenna circuit board 140 from loosening or being damaged by displacement; the limiting groove 122 is used for the positioning and installation of the connector wire harness 153 of the connector joint 152 to facilitate wiring, and at the same time, it also indicates the installation direction of the antenna circuit board 140.

[0040] In a specific embodiment, the housing 110 includes a lower housing 112, the main circuit board 130 is installed on the lower housing 112, and the card slot 120 is connected to the lower housing 112; wherein, one side of the limiting slot 122 away from the lower housing 112 has a wiring harness installation opening for accommodating the connector wiring harness 153 to pass through.

[0041] It should be noted that after the antenna circuit board 140 is positioned and installed through the limiting plate 121, the connector wiring harness 153 of the connector joint 152 can be inserted into the limiting slot 122 from the installation opening above the limiting plate 121, which is convenient for fixing the connector joint 152.

[0042] Preferably, the limiting slot 122 extends to the bottom or a position close to the bottom of the limiting plate 121, so that after the main circuit board 130 is installed on the lower housing 112, the bottom end of the limiting slot 122 is not higher than the main circuit board 130, avoiding damage to the connector wiring harness 153 being lifted by the limiting slot 122 after the connector joint 152 is connected to the connector base 151.

[0043] In a specific embodiment, the card slot 120 further includes: a support plate 123, the support plate 123 is inclined on the lower housing 112, and the antenna circuit board 140 is installed on the support plate 123.

[0044] It should be noted that since there is already a clearance required above the antenna to avoid interference, there is a certain distance left from the top of the housing. And the inclined support plate 123 can utilize the upper area, thereby reducing the horizontal size of the split ultra-wideband UWB antenna 100 and making the signal of the antenna circuit board 140 have better directivity. Among them, the inclination angle of the support plate 123 can be adjusted and designed according to the usage scenario of the split ultra-wideband UWB antenna 100, which is not limited here.

[0045] In a specific embodiment, one end of the support plate 123 close to the limiting plate 121 is lower than the end of the support plate 123 away from the limiting plate 121, and at least a part of the end of the antenna circuit board 140 away from the limiting plate 121 extends out of the support plate 123 to form a handle portion 142.

[0046] It should be noted that when the antenna circuit board 140 needs to be disassembled, the connector base 151 can be opened, and the antenna circuit board 140 can be pulled out from the support plate 123 through the handle portion 142, thereby improving the efficiency of disassembly and replacement.

[0047] In a specific embodiment, the card slot 120 further includes: an abutting portion 124, the abutting portion 124 is arranged between the support plate 123 and the limiting plate 121, and when the antenna circuit board 140 is inclined on the support plate 123, the bottom end of the antenna circuit board 140 is arranged on the abutting portion 124.

[0048] It should be noted that the support plate 123 is in an inclined state, and the antenna circuit board 140 is placed on the support plate 123 to form an inclined state. The bottom end of the antenna circuit board 140 is abutted by the abutting portion 124, so as to achieve stable installation.

[0049] In a specific embodiment, the card slot 120 further includes: a baffle 125, the baffle 125 is arranged above the support plate 123, and a sliding space is formed between the baffle 125 and the support plate 123. The sliding space matches the antenna circuit board 140, and the antenna circuit board 140 is installed in the card slot 120 through the sliding space.

[0050] It should be noted that the baffle 125 and the support plate 123 are used to lock the position of the antenna circuit board 140, so as to prevent the antenna circuit board 140 from detaching from the support plate 123 when the split ultra-wideband UWB antenna 100 vibrates or shakes as a whole, and improve the stability of the installation of the antenna circuit board 140.

[0051] In a specific embodiment, the lower housing 112 includes at least one positioning structure 113, and the positioning structure 113 is located on the periphery of the installation space; the main circuit board 130 includes at least one matching structure, and the matching structure cooperates with the positioning structure 113.

[0052] It should be noted that the positioning structure 113 is used to position and install the main circuit board 130 in the horizontal direction, so as to prevent the main circuit board 130 from shifting or colliding with the housing 110 during the use of the split ultra-wideband UWB antenna 100.

[0053] Optionally, the positioning structure 113 includes, for example, a positioning plate, and the matching structure includes, for example, a positioning groove. Among them, the positioning plate is connected to the inner side wall of the lower housing 112, the positioning groove is opened at the edge of the main circuit board 130, and the positioning plate and the positioning groove cooperate to realize the positioning of the edge of the main circuit board 130.

[0054] Optionally, the positioning structure 113 includes, for example, a positioning post, and the matching structure includes, for example, a positioning hole. Among them, the positioning post is connected to the bottom surface of the lower housing 112, the positioning groove is opened at any position of the main circuit board 130, and the positioning post and the positioning hole cooperate to realize the positioning of the whole main circuit board 130 on the bottom surface of the main circuit board 130.

[0055] In a specific embodiment, the housing further includes: a snap structure 114 and an upper housing 111, and the snap structure 114 is located inside the upper housing 111 and is used to connect with the lower housing 112.

[0056] It should be noted that the snap structure 114 realizes the quick pressing and matching of the upper housing 111 and the lower housing 112, and by pulling the snap structure 114, the upper housing 111 and the lower housing 112 can also be quickly disassembled, thus improving the disassembly and assembly efficiency.

[0057] In a specific embodiment, the buckle structure 114 includes a buckle groove and a locking protrusion. The buckle groove is formed on the inner side of the upper housing 111, and the locking protrusion is provided on the outer side of the lower housing 112. The locking protrusion is engaged with the buckle groove; wherein, the top of the locking protrusion has a guiding surface.

[0058] It should be noted that when the upper housing 111 and the lower housing 112 are engaged, the edge of the buckle groove slides along the guiding surface of the locking protrusion and deforms outward until the locking protrusion enters the buckle groove, and then the buckle groove rebounds to achieve locking. Therefore, the installation efficiency of the upper housing 111 and the lower housing 112 is higher.

[0059] Although the present utility model is disclosed as above, the present utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the scope defined by the claims.

Claims

1. A split ultra-wideband UWB antenna, characterized in that The split ultra-wideband UWB antenna includes: A housing having an installation space therein; A card slot provided on one side of the installation space; A main circuit board disposed in the installation space and located outside the card slot; An antenna circuit board mounted in the card slot; A radio frequency connector, which includes a connector base, a connector wire harness, and a connector joint. The connector base is disposed on the surface of the main circuit board. One end of the connector wire harness is connected to the antenna circuit board, and the other end is connected to the connector joint. The connector wire harness passes through the card slot so that the connector joint is connected to the connector base.

2. The split ultra-wideband UWB antenna according to claim 1, wherein, The card slot includes a limiting plate disposed between the main circuit board and the antenna circuit board. The limiting plate is provided with a limiting groove for passing the connector wire harness.

3. The split ultra-wideband UWB antenna according to claim 2, wherein The housing includes a lower housing. The main circuit board is mounted on the lower housing, and the card slot is connected to the lower housing; Wherein, one side of the limiting groove away from the lower housing has a wire harness installation opening for accommodating the passage of the connector wire harness.

4. The split ultra-wideband UWB antenna according to claim 3, characterized in that, The card slot further includes a support plate obliquely disposed on the lower housing, and the antenna circuit board is mounted on the support plate.

5. The split ultra-wideband UWB antenna according to claim 4, characterized in that, One end of the support plate close to the limiting plate is lower than the end of the support plate away from the limiting plate. At least a part of the end of the antenna circuit board away from the limiting plate extends out of the support plate to form a hand-held part.

6. The split ultra-wideband UWB antenna according to claim 4, characterized in that, The card slot further includes an abutting portion disposed between the support plate and the limiting plate. When the antenna circuit board is obliquely disposed on the support plate, the bottom end of the antenna circuit board is disposed on the abutting portion.

7. The split ultra-wideband UWB antenna according to claim 4, wherein The card slot further includes a baffle disposed above the support plate. A sliding space is formed between the baffle and the support plate, and the sliding space matches the antenna circuit board. The antenna circuit board is mounted in the card slot through the sliding space.

8. The split ultra-wideband UWB antenna according to claim 3, characterized in that, The lower housing includes at least one positioning structure located on the periphery of the installation space; the main circuit board includes at least one mating structure that mates with the positioning structure.

9. The split ultra-wideband UWB antenna according to claim 3, wherein The housing further includes a snap structure and an upper housing. The snap structure is located inside the upper housing and is used to connect to the lower housing.

10. The split ultra-wideband UWB antenna according to claim 9, wherein The snap structure includes a snap groove and a locking convex portion. The snap groove is opened on the inside of the upper housing, and the locking convex portion is disposed on the outside of the lower housing. The locking convex portion cooperates with the snap groove; Wherein, the top of the locking convex portion has a guiding surface.

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