Novel predetermined point wireless control antenna folding and unfolding device

Abstract

The invention relates to the technical field of antenna systems, and discloses a novel predetermined-point wireless control antenna retracting and releasing device which can realize a function of wirelessly controlling lodging of a center-fed antenna at a fixed point, and the whole system is composed of a wireless control box and a retracting and releasing actuator, the system is designed into a small-size and light-weight curved surface type, meanwhile, the functions of software limiting, wireless control and two-way signal transmission are added in cooperation with the control box, the system is more intelligent and portable in use and is not restrained by the installation position, and the system can set the fixed-point automatic lifting function by inputting the position in advance through the control box; or after the vehicle departs, the control box is manually controlled in real time to send a lifting instruction, so that the lifting action of the antenna of the retracting and releasing actuator is controlled by transmitting a signal at a designated place.

Description

Technical Field

[0001] The invention belongs to the technical field of antenna systems, and in particular relates to a novel predetermined point wireless control antenna retracting and extending device. Background Art

[0002] The antenna retractable device is one of the main auxiliary devices of the antenna system. The current antenna retractable device is usually large in size and heavy in weight. The limiting methods are mostly electrical and mechanical. The actuator and the control box are also mostly connected by cables. The overall system has problems such as too large installation size, insufficient limiting function, single control method and the control box being constrained by the installation position. Based on the above, a new type of wireless control antenna retractable device with pre-set points is proposed. The previous large-size structure is changed and designed as a curved surface style with small size and light weight. At the same time, the functions of software limiting, wireless control, pre-set automatic lifting and lowering, and two-way signal transmission are added to achieve the design purpose of making the antenna retractable execution and control system more intelligent, lightweight and not constrained by the installation position. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a novel predetermined point wireless control antenna retracting and extending device, which effectively solves the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a novel predetermined point wireless control antenna retractable device, comprising a wireless control box and a retractable actuator, wherein the retractable actuator is composed of a power and transmission part, a support and protection part, a signal module receiving part, an action execution part and a limit part, and the wireless control box comprises a box body structure, an electrical structure, a command control and signal display part, and a signal module processing and sending part;

[0005] The power and transmission part includes a motor, a reducer and a worm gear transmission pair; the support and protection part includes an actuator housing and an actuator base; the signal module receiving part is responsible for monitoring and receiving signals from the control source, including start, stop, and adjust antenna angle or position instructions; the action execution part includes an actuator rod assembly, an antenna mounting base and a rotating shaft; the limit part includes software limit, mechanical limit limit columns and limit slots of the actuator housing.

[0006] Preferably, the control box inputs the position in advance to set the fixed-point automatic lifting function, or after the vehicle sets off, the control box is manually controlled in real time to issue lifting instructions, so as to transmit signals at the designated location to control the lifting action of the retractable actuator antenna.

[0007] Preferably, the retractable actuator and the control box have the function of sending and receiving information in both directions. The control box can send a lifting command to the retractable actuator, and can also receive a signal of the lifting status of the retractable actuator and feedback it on the control box display screen.

[0008] Preferably, the actuator base and the mounting boss are an integrated structure, and the actuator housing is in a curved shape.

[0009] Preferably, the retractable actuator has two driving modes: electric driving and manual driving. If the electric driving fails, manual driving can be used.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] (1) The present invention has a simplified structure, a miniaturized overall volume, and a lightened weight, thereby saving materials and installation space.

[0012] (2) The present invention provides a variety of control methods for sending lifting commands. The position can be input in advance through the control box to set the automatic lifting at a fixed point. The lifting command can also be issued by manually controlling the control box in real time at a designated location after the vehicle departs, thus realizing two modes: pre-setting and real-time control.

[0013] (3) The present invention has a short-distance wireless transmission control function. Signals can be transmitted bidirectionally between the control box and the actuator without the need for cable connection. The control box can wirelessly transmit lifting commands within a certain range, and can also receive feedback signals of lifting in place and failures, thereby achieving the purpose of being able to be fixedly installed and used as well as handheld and used at a certain distance.

[0014] (4) The antenna lifting limit of the present invention uses a combination of software and mechanics to accurately limit the lifting position of the antenna, thereby improving the limiting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of the retractable actuator of the present invention;

[0019] Figure 3 It is a schematic diagram of the internal structure of the wireless control box of the present invention.

[0020] In the figure: 1. indicator light; 4. power button; 5. fuse; 6. actuator housing; 7. display module; 8. signal control module; 9. filter; 10. connector one; 11. control box back cover; 12. control box housing; 13. actuator base; 14. motor; 15. reducer; 16. worm gear transmission pair; 17. actuator rod assembly; 18. antenna mounting base; 19. shaft; 20. signal processing board; 21. connector two. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Embodiment 1, by Figure 1-Figure 3The present invention includes a wireless control box and a retractable actuator. The retractable actuator is composed of a power and transmission part, a support and protection part, a signal module receiving part, an action execution part and a limit part. The wireless control box includes a box body structure, an electrical structure, a command control and signal display part, and a signal module processing and sending part. The box body structure includes a control box back cover 11 and a control box shell 12. The control box shell 12 is provided with an indicator light 1. The electrical structure includes a power button 4 and a fuse 5. The command control and signal display part includes a display module 7 and a signal control module 8. The signal module processing and sending part includes a filter 9 and a connector 10. The wireless control box receives and executes control instructions from users or external systems through a software receiving module, a high-performance receiving algorithm, Adaptive adjustment mechanism, error and processing feedback, realize short-distance wireless transmission control function, realize automatic lifting at predetermined points or send lifting commands in real time through pole configuration adaptive PID algorithm to control the antenna retraction and extension state of the retractable actuator. The power and transmission part includes a motor 14, a reducer 15 and a worm gear transmission pair 16. The support and protection part includes an actuator housing 6 and an actuator base 13. A connector 21 is installed on the outside of the actuator housing 6. The signal module receiving part is responsible for monitoring and receiving signals from the control source. These signals include start, stop, adjust the antenna angle or position and other instructions. The action execution part includes an actuator rod assembly 17, an antenna mounting seat 18 and a rotating shaft 19. When the signal processing board 20 receiving the signal in the actuator receives After receiving the driving instruction, the motor 14 drive circuit is controlled to drive the worm gear transmission pair 16 and the rotating shaft 19 to move. The rotating shaft 19 increases the torque of the motor 14 and transmits it to the actuator assembly 17. The actuator assembly 17 drives the antenna mounting seat 18 to perform lifting movement. The limiting part includes software limiting, mechanical limiting limiting columns and limiting grooves of the actuator housing 6. The limiting part in the lifting process adopts a combination of program and machinery to accurately limit the lifting position of the antenna. The software limiting ZigBee technology receives the control instructions of the external system, and then decodes the instructions through a decoding algorithm, and verifies its validity and integrity. Once the instruction is verified to be valid, the control unit sends a control signal through serial communication. After receiving the control signal, the receiving room actuator The system can execute the corresponding actions of starting the motor 14 and adjusting the worm gear transmission pair 16 to achieve the speed, lifting and angle adjustment of the antenna. After the action is executed, the execution result can be fed back to the control box through the sensor. The software module will receive these feedback signals to verify whether the antenna has reached the specified position. In the whole process, the pole configuration adaptive PID algorithm is combined to adjust the control parameters according to the environmental conditions and the antenna state. In each sampling period, the minimum variance of the system deviation is minimized to calculate whether the result is correct. In addition, the user interface is designed by VisualTFT to facilitate user operation. The mechanical limit is realized by the limit column on the actuator rod and the limit groove path on the surface of the actuator housing 6. The control box inputs the position in advance to set the fixed-point automatic lifting function.Or after the vehicle sets off, the control box is manually controlled in real time to issue a lifting command. The two modes are realized by transmitting signals at a designated location to control the lifting action of the retractable actuator antenna. The retractable actuator and the control box have the function of sending and receiving information in both directions. The control box can send lifting commands to the retractable actuator, and can also receive the lifting status signal of the retractable actuator and feedback it on the control box display screen. The actuator base 13 and the mounting boss are integrated structures, and the shape of the actuator housing 6 is a curved surface. The drive form of the retractable actuator includes two modes: electric drive and manual drive. If the electric drive fails, manual drive can be used.

Claims

1. A novel predetermined point wireless control antenna retractable device, comprising a wireless control box and a retractable actuator, characterized in that: The retractable actuator is composed of a power and transmission part, a support and protection part, a signal module receiving part, an action execution part and a limit part. The wireless control box includes a box body structure, an electrical structure, a command control and signal display part, and a signal module processing and sending part. The power and transmission part includes a motor (14), a reducer (15) and a worm gear transmission pair (16); the support and protection part includes an actuator housing (6) and an actuator base (13); the signal module receiving part is responsible for monitoring and receiving signals from a control source, and these signals include instructions such as starting, stopping, adjusting the antenna angle or position, etc.; the action execution part includes an actuator rod assembly (17), an antenna mounting seat (18) and a rotating shaft (19); and the limiting part includes a limiting column of a software limiting and a mechanical limiting and a limiting groove of the actuator housing (6).

2. According to claim 1, the novel predetermined point wireless control antenna retracting and extending device is characterized by: The control box can input the position in advance to set the fixed-point automatic lifting function, or manually control the control box in real time to issue lifting instructions after the vehicle sets off, so as to transmit signals at the designated location to control the lifting action of the retractable actuator antenna.

3. According to claim 1, the novel predetermined point wireless control antenna retracting and extending device is characterized by: The retractable actuator and the control box have the function of sending and receiving information in both directions. The control box can send a lifting command to the retractable actuator, and can also receive a signal of the lifting status of the retractable actuator and feedback it on the control box display screen.

4. According to claim 1, the novel predetermined point wireless control antenna retracting and extending device is characterized by: The actuator base (13) and the mounting boss are an integrated structure, and the actuator housing (6) is in the shape of a curved surface.

5. According to claim 1, the novel predetermined point wireless control antenna retracting and extending device is characterized by: The driving modes of the retractable actuator include two modes: electric driving and manual driving. If the electric driving fails, the manual driving can be used.

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