A vehicle-mounted feed-forward antenna reflector

Abstract

The application discloses a kind of vehicle-mounted feedforward antenna reflectors, belong to the technical field of antenna reflector.It includes connection locking device and the polarization driving device for driving feed source polarization rotation;The connection locking device includes support locking piece, locking rod, pull rod center seat and adjusting support;The one end of feed source support is hinged with antenna face, and the included angle between the both is less than 90°;The polarization driving device is located the other end of polarization driving device;Connection locking device is located between antenna face and feed source support, and its pull rod center seat and adjusting support are connected at the front of antenna face and feed source support respectively;The locking rod is equipped with two;The adjacent end of two locking rods is connected by locking piece, and the outer end of two locking rods is connected with pull rod center seat and adjusting support by corresponding joint bearing respectively.The application can reduce the storage space in the antenna storage state, and can replace feed source according to actual demand, adapt to multi-task demand, and is easy to operate.

Description

Technical Field

[0001] This invention belongs to the field of antenna reflector technology and discloses a vehicle-mounted feedforward antenna reflector, which is particularly suitable for vehicle-mounted feedforward antenna reflectors with large cabin space constraints. Background Technology

[0002] Currently, to meet the height restrictions of railways and highways, the storage space for vehicle-mounted front-feed antenna reflectors is increasingly limited, placing higher demands on their storage capabilities. Furthermore, the diversification of missions and environments presents greater challenges to the multi-functionality of vehicle-mounted front-feed antenna reflectors. Currently, the feed device and antenna surface of this type of antenna are fixed in position, occupying a significant amount of cabin space during storage, resulting in low space utilization. The polarization device is located at the fixed support legs, making the feed device inconvenient to disassemble and replace, leading to poor maintainability and interchangeability. Summary of the Invention

[0003] The purpose of this invention is to disclose a vehicle-mounted feedforward antenna reflector, which is suitable for vehicle-mounted antennas with high space requirements. It can reduce the storage space when the antenna is folded up, and the feed source can be replaced according to actual needs to adapt to multi-task requirements. It is also simple to operate.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0005] A vehicle-mounted front-feed antenna reflector includes a feed bracket 2 for supporting the feed and an antenna surface 1, and also includes a connection locking device and a polarization driving device 5 for driving the polarization rotation of the feed; the connection locking device includes a bracket locking member 9, a locking rod 10, a pull rod center seat 11 and an adjustment bracket 12.

[0006] One end of the feed bracket 2 is hinged to the antenna surface 1, with an included angle of less than 90° between them; the polarization drive device 5 is located at the other end of the polarization drive device; the connecting locking device 3 is located between the antenna surface and the feed bracket, and its pull rod center seat 11 and adjusting bracket 12 are respectively connected to the front of the antenna surface 1 and the feed bracket 2; there are two locking rods; the adjacent ends of the two locking rods are connected by locking parts, and the outer ends of the two locking rods are respectively connected to the pull rod center seat 11 and the adjusting bracket 12 through corresponding joint bearings.

[0007] Furthermore, the antenna surface has an extension branch facing downwards on its back side; one end of the feed bracket is hinged to the end of the extension branch via a pin.

[0008] Furthermore, a gas spring is provided between the feed bracket 2 and the antenna surface 1. One end of the gas spring is connected to the middle position of the feed bracket, and the other end is connected to the front of the antenna surface.

[0009] Furthermore, the bracket locking component is a bolt group; the bolt group's screw passes through the adjacent ends of the two locking rods facing each other; one end of the screw is provided with a threaded nut, and the other end is provided with a knob handle hinged thereto.

[0010] Furthermore, the polarization drive device 5 includes a base plate 6, a connecting cylinder 7, and a drive motor 8; the base plate 6 is fixed to the other end of the feed bracket; the base plate is also provided with a gear set and a turntable connected to its bearings, and the turntable and the gear set mesh with each other; the housing of the drive motor 8 is fixed to the base plate, and its output end is connected to the gear set for driving the gear set to rotate; the connecting cylinder is fixed on the turntable; the feed is located in the connecting cylinder.

[0011] Furthermore, the feed source is fixed to the polarization drive device 5 via the connecting cylinder 7; the connecting cylinder 5 is fixedly connected to the turntable via locking screws.

[0012] Furthermore, a proximity switch is installed on the base plate, and the proximity switch is connected to the drive motor circuit; when the connecting cylinder rotates to the limit position, it contacts the proximity switch.

[0013] Furthermore, the central axis of the connecting cylinder coincides with the central axis of the turntable.

[0014] The beneficial effects of this invention are:

[0015] Compared with existing technologies, the novel feedforward antenna reflector design proposed in this invention is mainly applicable to vehicle-mounted feedforward antennas and can reduce the space occupied by vehicle-mounted feedforward antenna reflectors.

[0016] The feed device and antenna surface of a traditional vehicle-mounted front-feed antenna reflector are fixed in position, occupying a significant amount of cabin space when the antenna is stored, resulting in low space utilization. The polarization device is located on a fixed support leg, making the feed device difficult to disassemble and replace, leading to poor maintainability and interchangeability. The novel vehicle-mounted front-feed antenna reflector design of this invention reduces the space required when the antenna is stored, while allowing for feed replacement to meet various mission requirements, and simplifying operation. Attached Figure Description

[0017] Figure 1 This is a front view of the vehicle-mounted feedforward antenna reflector proposed in this invention.

[0018] Figure 2 This is a left view of the vehicle-mounted feedforward antenna reflector proposed in this invention.

[0019] Figure 3 yes Figure 1 The main view of the locking device connected in the middle.

[0020] Figure 4 yes Figure 1 Cross-sectional view of the medium polarization drive device.

[0021] The components are: 1. Antenna surface; 2. Feed bracket; 3. Connecting locking device; 4. Gas spring; 5. Polarization drive device; 6. Base plate; 7. Connecting cylinder; 8. Drive point; 9. Bracket locking component; 10. Locking rod; 11. Pull rod center seat; 12. Adjusting bracket; 13. Gear set; 14. Turntable. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] A vehicle-mounted front-feed antenna reflector includes a feed bracket 2 for supporting the feed and an antenna surface 1, and also includes a connection locking device and a polarization driving device 5 for driving the polarization rotation of the feed; the connection locking device includes a bracket locking member 9, a locking rod 10, a pull rod center seat 11 and an adjustment bracket 12.

[0024] One end of the feed bracket 2 is hinged to the antenna surface 1, with an included angle of less than 90° between them; the polarization drive device 5 is located at the other end of the polarization drive device; the connecting locking device 3 is located between the antenna surface and the feed bracket, and its pull rod center seat 11 and adjusting bracket 12 are respectively connected to the front of the antenna surface 1 and the feed bracket 2; there are two locking rods; the adjacent ends of the two locking rods are connected by locking parts, and the outer ends of the two locking rods are respectively connected to the pull rod center seat 11 and the adjusting bracket 12 through corresponding joint bearings.

[0025] Furthermore, the antenna surface has an extension branch facing downwards on its back side; one end of the feed bracket is hinged to the end of the extension branch via a pin.

[0026] Furthermore, a gas spring is provided between the feed bracket 2 and the antenna surface 1. One end of the gas spring is connected to the middle position of the feed bracket, and the other end is connected to the front of the antenna surface.

[0027] Furthermore, the bracket locking component is a bolt group; the bolt group's screw passes through the adjacent ends of the two locking rods facing each other; one end of the screw is provided with a threaded nut, and the other end is provided with a knob handle hinged thereto.

[0028] Furthermore, the polarization drive device 5 includes a base plate 6, a connecting cylinder 7, and a drive motor 8; the base plate 6 is fixed to the other end of the feed bracket; the base plate is also provided with a gear set and a turntable connected to its bearings, and the turntable and the gear set mesh with each other; the housing of the drive motor 8 is fixed to the base plate, and its output end is connected to the gear set for driving the gear set to rotate; the connecting cylinder is fixed on the turntable; the feed is located in the connecting cylinder.

[0029] Furthermore, the feed source is fixed to the polarization drive device 5 via the connecting cylinder 7; the connecting cylinder 5 is fixedly connected to the turntable via locking screws.

[0030] Furthermore, a proximity switch is installed on the base plate, and the proximity switch is connected to the drive motor circuit; when the connecting cylinder rotates to the limit position, it contacts the proximity switch.

[0031] Furthermore, the central axis of the connecting cylinder coincides with the central axis of the turntable.

[0032] The following is a more detailed explanation:

[0033] like Figure 1-2 As shown, a novel vehicle-mounted front-feed antenna reflector design is provided, including an antenna surface 1, a feed bracket 2, a connection locking device 3, a gas spring 4, and a polarization drive device 5. The antenna surface 1 and the feed bracket 2 are connected by a pin. The connection locking device 3 is located between the antenna surface 1 and the feed bracket 2, and the gas springs 4 are symmetrically distributed on both sides of the connection locking device to assist in supporting and stabilizing the feed bracket. The polarization drive device 5 is fixed to the front end of the feed bracket by bolts.

[0034] like Figure 3 As shown, the connection locking device 3 consists of a bracket locking component 9, a locking rod 10, a pull rod center seat 11, and an adjusting bracket 12. The pull rod center seat and the adjusting bracket are used to connect to the antenna surface and the feed bracket, respectively, and the bracket locking component 9 is used to lock the locking rod. When the antenna is working, the connection locking device is in a locked state to ensure the antenna works normally. Before storing the antenna, the connection locking device is unlocked.

[0035] like Figure 4 As shown, the polarization drive device 5 includes a base plate 6, a connecting cylinder 7, and a drive motor 8. The connecting cylinder is bolted to the base plate, allowing for direct disassembly of the connecting cylinder along with the feed source when replacing it. The drive motor drives the connecting cylinder to rotate via gear transmission. A proximity switch is installed on the base plate to control the feed source's rotation range.

[0036] This invention can be used in vehicle-mounted feedforward antenna reflectors. It has a simple structure, reduces the space required when the antenna is stored, and allows for the replacement of the feed source according to actual needs, adapting to multiple mission requirements. It is also easy to operate.

Claims

1. A vehicle-mounted feed-forward antenna reflector comprising a feed support (2) for supporting a feed and an antenna face (1), characterized in that, It also includes a connection locking device and a polarization drive device (5) for driving the feed polarization rotation; the connection locking device includes a bracket locking member (9), a locking rod (10), a pull rod center seat (11) and an adjustment bracket (12). One end of the feed bracket (2) is hinged to the antenna surface (1), and the two have an angle of less than 90°; the polarization drive device (5) is located at the other end of the feed bracket; the connection locking device (3) is located between the antenna surface and the feed bracket, and its pull rod center seat (11) and adjustment bracket (12) are respectively connected to the front of the antenna surface (1) and the feed bracket (2); there are two locking rods; the adjacent ends of the two locking rods are connected by the bracket locking parts, and the outer ends of the two locking rods are respectively connected to the pull rod center seat (11) and the adjustment bracket (12) through the corresponding joint bearings; A gas spring is also provided between the feed bracket (2) and the antenna surface (1). One end of the gas spring is connected to the middle position of the feed bracket, and the other end is connected to the front of the antenna surface. The polarization drive device (5) includes a base plate (6), a connecting cylinder (7), and a drive motor (8); the base plate (6) is fixed at the other end of the feed bracket; the base plate is also provided with a gear set and a turntable connected to its bearing, and the turntable and the gear set mesh with each other; the housing of the drive motor (8) is fixed on the base plate, and its output end is connected to the gear set for driving the gear set to rotate; the connecting cylinder is fixed on the turntable; the feed is located in the connecting cylinder.

2. The vehicle-mounted feedforward antenna reflector according to claim 1, characterized in that, The antenna surface has an extension branch facing downwards on its back side; one end of the feed bracket is hinged to the end of the extension branch by a pin.

3. The vehicle-mounted feedforward antenna reflector according to claim 1, characterized in that, The bracket locking component is a bolt assembly; the bolt of the bolt assembly passes through the adjacent ends of the two locking rods facing each other; one end of the bolt is provided with a threaded nut, and the other end is provided with a knob handle hinged to it.

4. A vehicle-mounted feedforward antenna reflector according to claim 1, characterized in that, The feed source is fixed to the polarization drive device (5) via the connecting cylinder (7); the connecting cylinder (7) is fixedly connected to the turntable via locking screws.

5. A vehicle-mounted feedforward antenna reflector according to claim 1, characterized in that, A proximity switch is installed on the base plate, and the proximity switch is connected to the drive motor circuit; when the connecting cylinder rotates to the limit position, it contacts the proximity switch.

6. A vehicle-mounted feedforward antenna reflector according to claim 1, characterized in that, The central axis of the connecting cylinder coincides with the central axis of the turntable.

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