Radar structure

Abstract

A radar structure is used for solving the problem that an existing radar is difficult to reassemble or replace elements after being tested. Comprising an antenna housing having a wave-transparent surface; a first surface of the circuit board is provided with an antenna area and faces the wave-transparent surface, and a second surface of the circuit board is provided with a connecting area; the shielding cover is located on the second surface, the shielding cover is provided with an opening area corresponding to the connecting area, and at least one testing element is electrically connected with the connecting area through the opening area to execute a radar test; and after the radar test is passed, a connecting element of the shell is aligned through the opening area and is electrically connected with the connecting area. Therefore, the effects of saving the manufacturing cost and improving the testing efficiency can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to a technology of electronic device packaging and testing, in particular, a radar and a testing method thereof capable of rapid testing and saving manufacturing cost. BACKGROUND

[0002] The principle of radar operation is to utilize energy waves to transmit to the surrounding space and receive the energy waves reflected by the objects in the space, and further calculate and analyze the changes of the energy waves to obtain the information of the objects, such as position, distance, dynamic, shape, etc. The energy waves can be electromagnetic waves, light waves, sound waves, etc. Among them, the common electromagnetic wave radar transmits and receives electromagnetic waves through an antenna, and different antenna types can be selected according to the transmission range, installation space, directivity and other functional characteristics of the antenna. The flat printed patch antenna is suitable for electronic devices with limited installation space such as radars and mobile phones. The patch antenna is composed of a plurality of planar conductive elements on a dielectric plate.

[0003] The existing radar structure includes the above-mentioned antenna plate, the circuit board for supplying power and receiving electrical signals, and the radome for protecting the antenna and electronic elements. However, the material, thickness, shape of the radome and the distance from the surface of the antenna will affect the field pattern output by the radar antenna or cause attenuation. Therefore, the transmission test of the radar product cannot be performed only on the transmission and reception of the antenna plate, and the complete radar structure with the assembled radome and circuit board must be used for product testing. However, after the existing radar structure is assembled, if the test result is failure, the completed radar structure is difficult to disassemble, and it is difficult to replace defective components or damage the board during disassembly, resulting in the existing radar structure being directly scrapped, which will increase the manufacturing cost and waste working hours of the radar product.

[0004] Therefore, the existing radar still needs to be improved. SUMMARY

[0005] To solve the above problems, the purpose of the present application is to provide a radar that can save manufacturing cost.

[0006] The second purpose of the present application is to provide a radar that can avoid assembly errors and improve product quality.

[0007] Another purpose of the present application is to provide a radar testing method that can improve testing and assembly efficiency.

[0008] The directionality or its approximate language throughout the present application, such as up (top), down (bottom), inside, outside, etc., mainly refers to the direction of the drawings. Each directionality or its approximate language is only used to assist in describing and understanding each embodiment of the present application, and is not used to limit the present application.

[0009] The quantity word "one" used throughout the present disclosure is only for convenience and providing general meaning of the present disclosure scope; in the present disclosure should be interpreted as including one or at least one, and the concept of single also includes the case of plural, unless it is obviously intended to mean otherwise.

[0010] The approximate terms such as combination, combination or assembly described throughout the present disclosure mainly include the type that can be separated without destroying the components after connection, or the type that makes the components inseparable after connection, and those with ordinary knowledge in the art can select according to the material of the components to be connected or the assembly requirements.

[0011] The radar of the present disclosure includes: a radome having a receiving space and a wave-transparent surface; a circuit board located in the receiving space, a first surface of the circuit board having an antenna area and facing the wave-transparent surface, a second surface of the circuit board having a connecting area; a shielding cover located on the second surface of the circuit board, the shielding cover having an opening area corresponding to the connecting area; and a housing having at least one connecting element electrically connected to the connecting area through the opening area.

[0012] The radar of the present disclosure includes: a radome having a receiving space and a wave-transparent surface; a circuit board located in the receiving space, a first surface of the circuit board having an antenna area and facing the wave-transparent surface, a second surface of the circuit board having a connecting area; and a shielding cover located on the second surface of the circuit board, the shielding cover having an opening area corresponding to the connecting area.

[0013] The radar test method of the present disclosure includes: providing a test tool, the test tool further including at least one test element; providing a radar, including: a radome having a receiving space and a wave-transparent surface; a circuit board located in the receiving space, a first surface of the circuit board having an antenna area and facing the wave-transparent surface, a second surface of the circuit board having a connecting area; and a shielding cover located on the second surface of the circuit board, the shielding cover having an opening area corresponding to the connecting area; fixing the radar on the test tool; and electrically connecting the at least one test element to the connecting area through the opening area, and performing a radar test.

[0014] Accordingly, the radar of the present application, which is composed of the radome, the circuit board and the shielding cover, can directly electrically connect the connecting area of the circuit board through the opening area of the shielding cover, and the radar testing can be performed before the completion of the radar product assembled by the shell. The radar that passes the testing can continue the packaging operation, while the radar that fails the testing can be disassembled and replaced with components, thereby avoiding the damage to the circuit board and the connecting terminal, saving the manufacturing cost and improving the efficiency of the testing operation. In addition, the radar testing method of the present application can measure and store the assembly error data of the radar through the testing tool and the testing components, and the error data is the same as the completed radar product, thereby improving the efficiency of the radar testing.

[0015] The radome further comprises at least one alignment member, the circuit board further comprises at least one first alignment part, and the shielding cover further comprises at least one second alignment part, and the at least one alignment member corresponds to the at least one first alignment part and the at least one second alignment part. Therefore, when the radome, the circuit board and the shielding cover are combined, the at least one first alignment part and the at least one second alignment part are aligned with the at least one alignment member, so that the circuit board and the shielding cover can be installed at the correct position and direction, thereby avoiding assembly errors and improving production efficiency.

[0016] The shielding cover further comprises at least one first positioning part, the shell further comprises at least one second positioning part, and the at least one first positioning part corresponds to the at least one second positioning part. Therefore, the at least one connecting element of the shell can accurately pass through the opening area of the shielding cover and correctly electrically connect the connecting area of the circuit board, thereby facilitating assembly and preventing circuit short circuit or open circuit.

[0017] The at least one connecting element further comprises a first end and a second end, the first end electrically connects the connecting area, and the extension direction of the second end is perpendicular to the circuit board. Therefore, the position of the at least one connecting element can be limited within the area range of the circuit board, thereby saving the installation space of the radar product.

[0018] The at least one connecting element further comprises a first end and a second end, the first end electrically connects the connecting area, and the extension direction of the second end is parallel to the circuit board. Therefore, the design can be changed according to the product installation space.

[0019] The at least one connecting element further comprises a plurality of fisheye terminals, the connecting area further comprises a plurality of through holes, and the plurality of fisheye terminals are inserted into the plurality of through holes. In this way, the fisheye terminals that are extruded and deformed can tightly fit the inner wall of the through hole and firmly combine with the through hole, thereby improving the assembly stability and reducing the contact resistance.

[0020] The at least one connecting element further comprises a plurality of pins, and the connecting area further comprises a plurality of female connectors, and the plurality of pins are inserted into the plurality of female connectors. In this way, the plurality of female connectors can be provided in the connecting area for the plurality of pins to be inserted, and the pins and the through holes of the female connectors are engaged with metal in a heating and pressurizing manner, which has the effect of reducing manufacturing cost.

[0021] The radome further comprises at least one support member, the at least one support member contacts an area of the first surface of the circuit board corresponding to the connecting area, and the at least one support member has a plurality of concave hole structures. Therefore, the support member helps the circuit board to be uniformly supported and stressed when the fisheye terminal is inserted, which has the effect of avoiding deformation of the circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 An exploded perspective view of a preferred embodiment of the present application.

[0023] Figure 2 A combined perspective view of a semi-finished product of a preferred embodiment of the present application.

[0024] Figure 3 A test situation diagram of a preferred embodiment of the present application.

[0025] Figure 4 A test situation diagram of another embodiment of the present application.

[0026] Figure 5 An enlarged view of the structure of a connecting element of another embodiment of the present application.

[0027] Figure 6 A partial enlarged view as shown in Figure 1

[0028] Figure 7 A combined situation diagram of a partial structure as shown in Figure 6

[0029]

BRIEF DESCRIPTION OF DRAWINGS

[0030] 1: radome

[0031] 11: wave-transparent surface

[0032] 12: alignment member

[0033] 13: support member

[0034] 13a: concave hole structure

[0035] 2: circuit board

[0036] 21: antenna area

[0037] 22: processing module

[0038] 23: connecting area​​

[0039] 23a: Through hole

[0040] 24: First Anticord

[0041] 3: Cover

[0042] 31: Opening area

[0043] 32: First Positioning Section

[0044] 33: Second Anticortex

[0045] 4: Outer shell

[0046] 41: Connecting elements

[0047] 41a: First end

[0048] 41b: Second end

[0049] 41c: Fisheye terminal

[0050] 42: Second Positioning Unit

[0051] 5: Testing tools

[0052] 51: Test Components

[0053] 52: Fixture

[0054] P: Semi-finished radar

[0055] S: Storage space Detailed Implementation

[0056] To make the above and other objects, features and advantages of the present invention more apparent and understandable, preferred embodiments of the present invention are described below in conjunction with the accompanying drawings; in addition, those marked with the same symbols in different drawings are considered to be the same and their descriptions will be omitted.

[0057] Please refer to Figure 1 and 2 As shown, it is a preferred embodiment of the radar structure of the present invention, including an antenna radome 1, a circuit board 2, a shield 3 and a housing 4. The circuit board 2 is located between the antenna radome 1 and the shield 3 to form a semi-finished radar P to perform a radar test. The housing 4 is attached to the semi-finished radar P.

[0058] The antenna cover 1 can have a semi-enclosed accommodation space S, the bottom of the accommodation space S is a wave-transparent surface 11, the wave-transparent surface 11 is preferably a uniform smooth plane, and the wave-transparent surface 11 is avoided to form uneven defects such as indentation and skew, which can reduce the loss of radar waves penetrating the wave-transparent surface 11. In addition, since the radar waves have the characteristics of being reflected by conductive materials and being absorbed by water, the material of the antenna cover 1 is preferably a non-conductive and waterproof material, such as glass, plastic, polystyrene (PS), polybutylene terephthalate (PBT), and glass fiber composite material, etc., which can improve the penetration rate of radar waves to the antenna cover 1.

[0059] The circuit board 2 is located in the accommodation space, an antenna area 21 of the circuit board 2 is located on a first surface of the circuit board 2, and the antenna area 21 faces the wave-transparent surface 11 of the antenna cover 1 to emit or receive radar waves. A processing module 22 and a connecting area 23 of the circuit board 2 can be opposite to the antenna area 21 and located on a second surface of the circuit board 2. The processing module 22 includes electronic components and circuits for signal processing of emitted and received radar waves, and provides power supply and transmission of processed signals through the connecting area 23. Preferably, the connecting area 23 is separately arranged from the components and circuits of the processing module 22. In this embodiment, the connecting area 23 is located at the edge position of the second surface of the circuit board 2 to avoid being surrounded by the components and circuits of the processing module, but the present application is not limited thereto.

[0060] The shielding cover 3 is combined with the antenna cover 1 and covers the circuit board 2 to protect the antenna area 21 and the processing module 22. In addition, the shielding cover 3 has an opening area 31, the position of the opening area 31 corresponds to the connecting area 23, when the shielding cover 3 covers the processing module 22 from the second surface of the circuit board 2, the connecting area 23 can expose a plurality of through holes 23a through the opening area 31. In addition, the shielding cover 3 can also have at least one first positioning part 32, in this embodiment, two first positioning parts 32 are respectively located at opposite edges of the shielding cover 3, and each first positioning part 32 is a semicircular rectangular groove structure, but the present application is not limited thereto.

[0061] Please refer to Figure 3 and 4 The semi-finished radar P composed of the antenna cover 1, the circuit board 2 and the shielding cover 3 can be fixed to a test tool 5, the semi-finished radar P electrically contacts at least one test component 51 of the test tool 5 through the plurality of through holes 23a to perform a radar test. As shown in Figure 3As shown, the test tool 5 can include a test platform, and the semi-finished radar P can be fixed to the test platform in the radar wave darkroom by a jig (e.g., a screw), so that the wave-transparent surface 11 of the radome 1 faces an angle reflector at a fixed distance. The test platform can be horizontally and vertically rotated to adjust the test direction of the radar wave emitted by the semi-finished radar P. As shown, Figure 4 As shown, the test tool 5 can also include a clamp 52, and a plurality of clamping jaws are respectively clamped and fixed by the corresponding frame of the semi-finished radar P, and the wave-transparent surface 11 is outwardly directed and the connecting area 23 is inwardly electrically connected to the test tool 5. However, the fixing mode of the semi-finished radar P is not limited to the above embodiment. The test tool 5 provides power to make the semi-finished radar P emit radar waves in the selected direction, the angle reflector reflects the radar waves for the semi-finished radar P to process signals, and the at least one test element 51 receives test signals. The ceiling, walls and floor of the radar wave darkroom are preferably arranged with wave-absorbing materials and electromagnetic wave shielding plates, which can isolate external electromagnetic wave interference and absorb radar waves emitted outside the test direction, to provide a stable and electromagnetic interference-free test environment. The test results of the semi-finished radar P can be used for modeling and parameter setting of radar products. If the test results do not meet the product specification requirements, the semi-finished radar P is determined to be a defective product and must be treated by scrapping, reworking or replacing parts, etc.

[0062] Please refer to Figure 1 and 5As shown, the housing 4 is combined with the semi-finished radar P that has passed radar testing. The housing 4 is combined with the radome 1 and respectively covers and protects the circuit board 2 and the shielding cover 3. A connecting element 41 of the housing 4 is aligned with the connecting area 23. The connecting element 41 can pass through the opening area 31 and electrically connect to the plurality of through holes 23a. In addition, the extension direction of the connecting element 41 through the opening area 31 and connecting the plurality of through holes 23a is preferably perpendicular to the circuit board 2, that is, the first end 41a of the connecting element 41 is electrically connected to the connecting area 23. The first end 41a extends perpendicularly to the circuit board 2 towards the opposite second end 41b. Therefore, the position of the connecting element 41 can be limited to the area of ​​the circuit board 2, which saves installation space for radar products. As shown in Figure 5, if the customer's product requires sufficient space or in accordance with customer requirements, the extension direction of the connecting element 41 can also be parallel to the circuit board 2, that is, the extension direction of the second end 41b of the connecting element 41 can be rotated 90 degrees to be parallel to the circuit board 2. This invention is not limited to the extension direction of the connecting element 41. The housing 4 further has at least one second positioning part 42, the position of which corresponds to at least one first positioning part 32, so that the at least one second positioning part 42 is aligned and engaged with the at least one first positioning part 32, and at the same time, the connecting element 41 can accurately pass through the opening area 31 and correctly connect to the plurality of through holes 23a. In this embodiment, the two second positioning parts 42 are semi-circular rectangular protrusion structures facing the shield 3, which can be respectively fitted into the grooves of the two first positioning parts 32. However, this invention is not limited thereto.

[0063] Please refer to Figure 6 and 7 As shown, the connecting element 41 of the housing 4 may include a plurality of fisheye terminals 41c, such as Figure 4 As shown, the fisheye terminals 41c are inserted into the through holes 23a. During insertion, the fisheye portion of the fisheye terminals 41c is deformed by the pressure of the inner wall of the through holes 23a, allowing for a tighter and more secure connection with the through holes 23a. Alternatively, the connecting element 41 may consist of multiple pins (not shown) soldered onto the multiple through holes 23a respectively. Or, the connecting area 23 may further include multiple female connectors, with multiple pins inserted into these female connectors respectively. This invention is not limited to the method by which the connecting element 41 electrically connects the multiple through holes 23a.

[0064] Please refer to Figure 1As shown, the radome 1 can also have a plurality of alignment members 12 distributed asymmetrically, and the circuit board 2 has a plurality of first alignment portions 24 corresponding to the plurality of alignment members 12, and the shielding cover 3 has a plurality of second alignment portions 33 corresponding to the plurality of alignment members 12, by aligning the plurality of first alignment portions 24 and the plurality of second alignment portions 33 with the plurality of alignment members 12, the circuit board 2 and the shielding cover 3 can be installed at the correct position and direction, in the embodiment, the plurality of alignment members 12 are distributed on the plurality of asymmetric protrusions of the inner periphery of the radome 1, and the plurality of first alignment portions 24 and the plurality of second alignment portions 33 are respectively located on the plurality of notches of the outer periphery of the circuit board 2 and the shielding cover 3, and the plurality of protrusions can be inserted into the plurality of notches one by one, but the present application is not limited thereto.

[0065] In addition, the radome 1 can also have at least one support member 13 located in the accommodation space S, when the circuit board 2 is combined, the at least one support member 13 contacts the first surface of the circuit board 2, and the at least one support member 13 supports the circuit board 2 through the first surface; in addition, the position of the at least one support member 13 corresponds to the area of the connection area 23 of the circuit board 2, and the at least one support member 13 has a plurality of recess structures 13a, when the plurality of fisheye terminals 41c are inserted into the connection area 23, the plurality of recess structures 13a of the at least one support member 13 can be corresponded to the plurality of fisheye terminals 41c, so that the support and stress of the circuit board 2 are uniform, and the plurality of fisheye terminals 41c will not rub the at least one support member 13, which has the effect of avoiding deformation and damage of the circuit board 2 and the plurality of fisheye terminals 41c.

[0066] In summary, the radar of the present application, the semi-finished product radar composed of the radome, the circuit board and the shielding cover, can directly electrically connect the connection area of the circuit board through the opening area of the shielding cover, before the completion of the radar product by assembling the shell, the radar test is carried out first, the semi-finished product radar that passes the test continues to complete the packaging operation, and the semi-finished product radar that does not pass the test can also be disassembled and replaced with elements, so as to avoid damaging the circuit board and the connecting terminal, which has the effects of saving manufacturing cost and improving test work efficiency. In addition, the radar test method of the present application can measure and store the assembly error data of the semi-finished product radar by using the test tool and the test element to test the semi-finished product radar, and the error data is the same as that of the completed radar product, which has the effect of improving the efficiency of radar test.

[0067] Although the present application has been disclosed by the above preferred embodiments, it is not intended to limit the present application, and various modifications and changes can be made to the above embodiments without departing from the spirit and scope of the present application, which still belongs to the technical scope protected by the present application, therefore the protection scope of the present application should be defined by the claims.

Claims

1. A radar, comprising: A radome having an accommodating space and a wave-transparent surface; A circuit board is located in the accommodating space, a first surface of the circuit board has an antenna area and faces the wave-transparent surface, and a second surface of the circuit board has a connection area. A shielding cover is located on the second surface of the circuit board, the shielding cover having an opening area corresponding to the connection area; and A housing having at least one connecting element electrically connected to the connecting area through the opening area.

2. The radar of claim 1, wherein, The radome further includes at least one alignment member, the circuit board further includes at least one first alignment portion, and the shield further includes at least one second alignment portion, the at least one alignment member corresponding to the at least one first alignment portion and the at least one second alignment portion respectively.

3. The radar of claim 1, wherein, The shield further includes at least one first positioning part, and the housing further includes at least one second positioning part, the at least one first positioning part corresponding to the at least one second positioning part.

4. The radar of claim 1, wherein, The at least one connecting element further includes a first end and a second end, the first end being electrically connected to the connecting area, and the second end extending perpendicularly to the circuit board.

5. The radar of claim 1, wherein, The at least one connecting element further includes a first end and a second end, the first end being electrically connected to the connecting area, and the second end extending in a direction parallel to the circuit board.

6. The radar of claim 1, wherein, The at least one connecting element further includes a plurality of fisheye terminals, the connecting area further includes a plurality of through holes, and the plurality of fisheye terminals are inserted into the plurality of through holes.

7. The radar of claim 1, wherein, The at least one connecting element further includes a plurality of pins, and the connecting area further includes a plurality of female connectors into which the plurality of pins are inserted.

8. The radar of claim 1, wherein, The radome further includes at least one support member that contacts the first surface of the circuit board corresponding to the area of ​​the connection region, and the at least one support member has a plurality of recessed hole structures.

9. A radar, comprising: A radome having an accommodating space and a wave-transparent surface; A circuit board, located in the accommodating space, has a first surface with an antenna region facing the wave-transparent surface, and a second surface with a connection region; and A shield is located on the second surface of the circuit board, the shield having an opening area corresponding to the connection area.

10. A radar testing method, comprising: A test tool is provided, which further includes at least one test element; A radar is provided, comprising: an antenna radome having an accommodating space and a wave-transparent surface; A circuit board, located in the accommodating space, having a first surface with an antenna region facing the wave-transparent surface, and a second surface with a connection region; and a shield, located on the second surface of the circuit board, having an opening corresponding to the connection region; the radar is fixed to the testing tool; and The at least one test element is electrically connected to the connection area through the opening area, and a radar test is performed.

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