Low-frequency metal plate radiation sheet capable of reducing electromagnetic interference

Abstract

The utility model discloses a low-frequency sheet metal radiation sheet capable of reducing electromagnetic interference, which comprises a radiation unit, a mounting groove is arranged in the middle of the top end of the radiation unit, an oscillator feed card is inserted into the inner wall of the mounting groove, first slots are arranged on two sides of the oscillator feed card, second slots are arranged on two sides of the oscillator feed card, and the first slots are communicated with the second slots. The inner walls of the two first slots are connected with lower oscillator feed pieces in an inserted mode, the inner walls of the two second slots are connected with upper oscillator feed pieces in an inserted mode, the upper oscillator feed pieces are located above the lower oscillator feed pieces, each of the lower oscillator feed pieces and the upper oscillator feed pieces comprises a metal piece and four plastic pieces, and the four plastic pieces are fixedly connected to the two ends of the two sides of the metal piece respectively. According to the low-frequency metal plate radiation sheet capable of reducing the electromagnetic interference, each structure of the low-frequency metal plate radiation sheet is convenient and rapid to assemble, the electromagnetic interference can be reduced, the signal transmission effect can be improved, the metal plate radiation sheet is convenient to disassemble and assemble, and the metal plate radiation sheet is convenient to disassemble for maintenance and replacement.

Description

Technical Field

[0001] The utility model relates to the technical field of antenna communication, in particular to a low-frequency sheet metal radiation piece for reducing electromagnetic interference. Background Art

[0002] In antenna communication equipment, the function of low-frequency sheet metal radiation plate is to provide an effective radiation surface for the radiation and reception of low-frequency signals.

[0003] However, existing low-frequency sheet metal radiators have the following disadvantages:

[0004] (1) The existing low-frequency sheet metal radiators have poor anti-electromagnetic interference performance, which will lead to reduced signal quality and poor communication stability;

[0005] (2) Existing low-frequency sheet metal radiators are often installed on antennas using fasteners such as screws. Disassembly and assembly are cumbersome and require tools, making them inconvenient to remove, replace, and maintain. Utility Model Content

[0006] The purpose of the present utility model is to provide a low-frequency sheet metal radiation plate that reduces electromagnetic interference, so as to solve the problem that the existing low-frequency sheet metal radiation plate proposed in the above background technology has poor anti-electromagnetic interference performance, which will lead to a decrease in signal quality and poor communication stability. The low-frequency sheet metal radiation plate is often installed on the antenna by fasteners such as screws. The disassembly and assembly is relatively troublesome and requires the use of tools, which makes it inconvenient to remove, replace and maintain.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a low-frequency sheet metal radiation piece for reducing electromagnetic interference, comprising a radiation unit, a mounting slot is provided in the middle of the top of the radiation unit, a dipole feed card is inserted into the inner wall of the mounting slot, slots 1 are provided on both sides of the dipole feed card, slots 2 are provided on both sides of the dipole feed card, lower dipole feed pieces are inserted into the inner walls of the two slots 1, upper dipole feed pieces are inserted into the inner walls of the two slots 2, and the upper dipole feed piece is located above the lower dipole feed piece, the lower dipole feed piece and the upper dipole feed piece both comprise a metal part and four plastic parts, the four plastic parts are respectively fixedly connected to the two ends on both sides of the metal part, short sleeves are provided at both ends of one side of the bottom of the radiation unit, and long sleeves are provided at both ends of the other side of the bottom of the radiation unit.

[0008] When using a low-frequency sheet metal radiation plate that reduces electromagnetic interference according to the present technical solution, the assembly of the various structures of the low-frequency sheet metal radiation plate is convenient and quick, which can reduce electromagnetic interference and improve the signal transmission effect. In addition, the sheet metal radiation plate is easy to disassemble and assemble, which is conducive to removal for maintenance and replacement.

[0009] As a preferred technical solution of the present invention, the top of the radiating unit is provided with a cross opening, and the four corners of the dipole feed card are fixedly connected to a clamping rod, and the four clamping rods are engaged with the inner wall of the cross opening. The four clamping rods and the cross opening are provided to fasten the dipole feed card to the radiating unit.

[0010] As a preferred technical solution of the present invention, the four sides of the bottom end of the inner wall of the dipole feed card are fixedly connected with clips, and the two sides of the top of the lower dipole feed piece and the two sides of the top of the upper dipole feed piece are respectively engaged with the four clips. The provided clips are used to fasten the two dipole feed pieces to the dipole feed card.

[0011] As a preferred technical solution of the present invention, an indicator arrow is provided at one corner of the top of the radiation unit. After the upper dipole feed plate is installed, the direction must be aligned with the indicator arrow to ensure assembly accuracy.

[0012] As an optimal technical solution of the present invention, the material of the metal part is H62 brass, and the surface is plated with 5um copper and 5um silver, and the material of the plastic part is polytetrafluoroethylene propylene.

[0013] As a preferred technical solution of the present invention, mounting blocks are fixedly connected to both ends of the top of the radiating unit. Pre-installed seats are inserted into the surfaces of both mounting blocks. A spring is fixedly connected to the inner wall of the pre-installed seat. One end of the spring is fixedly connected to a clamping block. A clamping slot is defined within the mounting block. A shifting opening is defined at the top of the pre-installed seat. A lever is fixedly connected to the top of the clamping block, and the lever is slidably connected to the inner wall of the shifting opening. The two pre-installed seats are pre-fixed to the antenna to facilitate the assembly and disassembly of the sheet metal radiator.

[0014] As a preferred technical solution of the present invention, one end of the clamping block is engaged with the inner wall of the clamping slot. The end of the clamping block is inserted into the clamping slot to lock the position of the sheet metal radiation piece.

[0015] As a preferred technical solution of the present invention, lugs are fixedly connected to both sides of the bottom of the pre-installation seat. The lugs are provided for fixing the pre-installation seat.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. The assembly of the radiation unit, dipole feed card, and upper and lower dipole feed plates of the low-frequency sheet metal radiator is quick and easy, and the installation is tight. The metal parts of the dipole feed plates are silver-plated and copper-plated, and the surface is provided with FEP plastic parts, which helps to reduce electromagnetic interference and improve signal transmission effect.

[0018] 2. By toggling the levers at the pre-installed seats on both sides to drive the card blocks back into the pre-installed seats, the lock can be released and the sheet metal radiator can be removed from the antenna. When installing the sheet metal radiator, insert the mounting blocks at both ends into the pre-installed seats on both sides. The card blocks will be stuck into the card slots of the mounting blocks under the action of the springs, thereby fixing the position of the sheet metal radiator. This makes it easy to disassemble and assemble the low-frequency sheet metal radiator, which is convenient for removal for maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 A three-dimensional diagram of the radiation unit of the present invention;

[0021] Figure 3 This is a three-dimensional diagram of the vibrator feeding card of the utility model;

[0022] Figure 4 This is a three-dimensional diagram of the lower oscillator feeding plate of the utility model;

[0023] Figure 5 It is a cross-sectional view of the pre-installed seat of the utility model.

[0024] In the figure: 1. Radiating unit; 2. Diopter feeding card; 3. Lower dipole feeding plate; 4. Upper dipole feeding plate; 5. Metal parts; 6. Plastic parts; 7. Mounting slot; 8. Cross opening; 9. Clamping rod; 10. Buckle; 11. Slot 1; 12. Slot 2; 13. Short sleeve; 14. Long sleeve; 15. Indicator arrow; 16. Mounting block; 17. Pre-installed seat; 18. Spring; 19. Clamping block; 20. Lever; 21. Dial port; 22. Slot; 23. Lug. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1-5The utility model provides a low-frequency sheet metal radiation piece for reducing electromagnetic interference, including a radiation unit 1, which is responsible for radiating or receiving electromagnetic waves. A mounting slot 7 is provided in the middle of the top of the radiation unit 1. A vibrator feed card 2 is plugged into the inner wall of the mounting slot 7 for signal transmission and matching. Slots 11 are provided on both sides of the vibrator feed card 2, and slots 2 12 are provided on both sides of the vibrator feed card 2. The inner walls of the two slots 11 are plugged into the lower vibrator feed piece 3, and the two slots 2 are plugged into the lower vibrator feed piece 3. The inner wall of 12 is plugged with an upper dipole feeding piece 4, and the upper dipole feeding piece 4 is located above the lower dipole feeding piece 3. The dipole feeding piece is used to connect the feed line. The lower dipole feeding piece 3 and the upper dipole feeding piece 4 both include a metal part 5 and four plastic parts 6. The four plastic parts 6 are respectively fixedly connected to the two ends of both sides of the metal part 5. Short sleeves 13 are provided at both ends of one side of the bottom of the radiation unit 1, and long sleeves 14 are provided at both ends of the other side of the bottom of the radiation unit 1 for accommodating two dipole feeding pieces.

[0027] During use, when assembling the sheet metal radiation plate, first insert the lower dipole feed plate 3 into slot one 11 of the dipole feed card 2, then insert the upper dipole feed plate 4 into slot two 12 of the dipole feed card 2, and then insert the dipole feed card 2 into the mounting slot 7 of the radiation unit 1, thereby completing the assembly of the low-frequency sheet metal radiation plate.

[0028] A cross opening 8 is provided at the top of the radiation unit 1, and the four corners of the dipole feed card 2 are fixedly connected with a card rod 9, and the four card rods 9 are engaged with the inner wall of the cross opening 8. The four sides of the bottom end of the inner wall of the dipole feed card 2 are fixedly connected with a clip 10, and the two sides of the top of the lower dipole feed plate 3 and the two sides of the top of the upper dipole feed plate 4 are respectively engaged with the four clips 10 to improve the installation fastness. An indicator arrow 15 is provided at one corner of the top of the radiation unit 1 to ensure installation accuracy. The material of the metal part 5 is H62 brass, and the surface is copper-plated with 5um and silver-plated with 5um. The material of the plastic part 6 is polytetrafluoroethylene propylene.

[0029] When in use, the dipole feed card 2 is installed and fastened to the upper and lower dipole feed plates through four clips 10, so that the four clip rods 9 of the dipole feed card 2 are inserted into the cross opening 8 to be installed and fastened to the radiation unit 1, and the feed plate must be in the same straight line with the indicator arrow 15 on the surface of the radiation unit 1. The metal part 5 of the dipole feed plate is silver-plated and copper-plated, and an FEP plastic part 6 is provided, which helps to reduce electromagnetic interference and improve the signal transmission effect.

[0030] Both ends of the top of the radiation unit 1 are fixedly connected to the mounting blocks 16, and the surfaces of the two mounting blocks 16 are plugged with pre-installed seats 17. The inner wall of the pre-installed seat 17 is fixedly connected with a spring 18, and one end of the spring 18 is fixedly connected with a clamping block 19. A clamping slot 22 is provided inside the mounting block 16, and a dial opening 21 is provided at the top of the pre-installed seat 17. The top of the clamping block 19 is fixedly connected with a dial rod 20, and the dial rod 20 is slidably connected to the inner wall of the dial opening 21 for unlocking operation. One end of the clamping block 19 is engaged with the inner wall of the clamping slot 22 to play a locking role. Both sides of the bottom of the pre-installed seat 17 are fixedly connected with lugs 23 to play an installation role.

[0031] When in use, the two pre-installed seats 17 are fixed to the antenna using fasteners at the lugs 23. By toggling the levers 20 at the pre-installed seats 17 on both sides, the card block 19 is driven back to the inside of the pre-installed seat 17, and the lock can be released to remove the sheet metal radiator. When installing the sheet metal radiator, the mounting blocks 16 at both ends are inserted into the pre-installed seats 17 on both sides. The card block 19 can be clamped into the card slot 22 of the mounting block 16 under the action of the spring 18, thereby fixing the position of the sheet metal radiator.

[0032] In specific use, the utility model is a low-frequency sheet metal radiation piece for reducing electromagnetic interference. When assembling the sheet metal radiation piece, first insert the lower dipole feed piece 3 into the slot 11 of the dipole feed card 2, then insert the upper dipole feed piece 4 into the slot 2 12 of the dipole feed card 2, and fasten it with the buckle 10, then insert the dipole feed card 2 into the installation slot 7 of the radiation unit 1, and make the four clamping rods 9 of the dipole feed card 2 be clamped into the cross opening 8, keep it tight, and the feed piece should be in the same straight line with the indicator arrow 15 on the surface of the radiation unit 1, thereby completing the assembly of the low-frequency sheet metal radiation piece, which is convenient and fast, and the installation is tight, and the metal of the dipole feed piece is Part 5 is silver-plated and copper-plated, and is provided with FEP plastic part 6, which helps to reduce electromagnetic interference and improve the signal transmission effect. The two pre-installed seats 17 are fixed to the antenna with fasteners at the lugs 23. By toggling the lever 20 at the pre-installed seats 17 on both sides, the card block 19 is driven back to the inside of the pre-installed seat 17, the lock can be released and the sheet metal radiator can be removed. When installing the sheet metal radiator, the mounting blocks 16 at both ends are inserted into the pre-installed seats 17 on both sides. The card block 19 can be stuck in the card slot 22 of the mounting block 16 under the action of the spring 18, thereby fixing the position of the sheet metal radiator. As a result, the low-frequency sheet metal radiator is easy to disassemble and assemble, which is convenient for removal for maintenance and replacement.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A low-frequency sheet metal radiation piece for reducing electromagnetic interference, comprising a radiation unit (1), characterized in that: The middle part of the top of the radiation unit (1) is provided with a mounting slot (7), the inner wall of the mounting slot (7) is plugged with a vibrator feed card (2), both sides of the vibrator feed card (2) are provided with a slot 1 (11), both sides of the vibrator feed card (2) are provided with a slot 2 (12), the inner walls of the two slots 1 (11) are plugged with lower vibrator feed sheets (3), and the inner walls of the two slots 2 (12) are plugged with upper vibrator feed sheets (4) , and the upper dipole feeding plate (4) is located above the lower dipole feeding plate (3), the lower dipole feeding plate (3) and the upper dipole feeding plate (4) both include a metal part (5) and four plastic parts (6), the four plastic parts (6) are respectively fixedly connected to the two ends of both sides of the metal part (5), the two ends of one side of the bottom of the radiation unit (1) are provided with a short sleeve (13), and the two ends of the other side of the bottom of the radiation unit (1) are provided with a long sleeve (14).

2. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 1, characterized in that: A cross opening (8) is provided at the top of the radiation unit (1), and four corners of the dipole feed card (2) are fixedly connected to clamping rods (9), and the four clamping rods (9) are clamped on the inner wall of the cross opening (8).

3. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 1, characterized in that: The four sides of the bottom end of the inner wall of the vibrator feed card (2) are all fixedly connected with buckles (10), and the two sides of the top end of the lower vibrator feed plate (3) and the two sides of the top end of the upper vibrator feed plate (4) are respectively engaged with the four buckles (10).

4. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 1, characterized in that: A corner of the top end of the radiation unit (1) is provided with an indicating arrow (15).

5. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 1, characterized in that: The material of the metal part (5) is H62 brass, and the surface is plated with 5um copper and 5um silver. The material of the plastic part (6) is polytetrafluoroethylene (FEP).

6. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 1, characterized in that: Both ends of the top of the radiation unit (1) are fixedly connected to mounting blocks (16), the surfaces of the two mounting blocks (16) are plugged with pre-installed seats (17), the inner wall of the pre-installed seat (17) is fixedly connected to a spring (18), one end of the spring (18) is fixedly connected to a clamping block (19), a clamping groove (22) is provided inside the mounting block (16), a shifting opening (21) is provided at the top of the pre-installed seat (17), a shifting rod (20) is fixedly connected to the top of the clamping block (19), and the shifting rod (20) is slidably connected to the inner wall of the shifting opening (21).

7. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 6, characterized in that: One end of the clamping block (19) is engaged with the inner wall of the clamping slot (22).

8. The low-frequency sheet metal radiation piece for reducing electromagnetic interference according to claim 6, characterized in that: Both sides of the bottom of the pre-installed seat (17) are fixedly connected with lugs (23).

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