CN109462010B - Antenna pitching device and control method - Google Patents
Antenna pitching device and control method Download PDFInfo
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- CN109462010B CN109462010B CN201811363970.2A CN201811363970A CN109462010B CN 109462010 B CN109462010 B CN 109462010B CN 201811363970 A CN201811363970 A CN 201811363970A CN 109462010 B CN109462010 B CN 109462010B
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- antenna
- locking
- cylinder
- frame body
- telescopic mechanism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
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Abstract
The invention discloses an antenna pitching device and a control method, and belongs to the technical field of vehicle-mounted communication antennas. The antenna pitching device comprises an antenna body, a lodging device for driving the antenna body and a control system for controlling the lodging device; the lodging device comprises a lodging support, a telescopic mechanism and a locking mechanism, and the antenna body is connected with the telescopic mechanism; the lodging support comprises a supporting part and a frame body, wherein one edge of the frame body is fixed on the supporting part, and the frame body rotates around the edge; two ends of the telescopic mechanism are respectively hinged on the support part and the frame body; the locking mechanism comprises a locking part and a fixing part matched with the locking part, the fixing part is arranged on the supporting part, the locking part is arranged on the frame body, and the control system is used for controlling the telescopic mechanism and the locking mechanism to act. The invention has simple structure design, strong pitching stability of the antenna, cost saving and installation space saving.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted communication antennas, in particular to an antenna pitching device and a control method.
Background
An antenna is one of the most important components in a wireless transmission system for receiving or transmitting radio signals. Currently, vehicle-mounted antenna devices are widely used in antenna vehicles and communication vehicles. When the antenna is used, the antenna is erected on the top of the vehicle body, and when the vehicle runs, the antenna is laid on the vehicle roof. Chinese utility model patent (publication No. CN202523829U) discloses an antenna lodging device, there is a support locking mechanism on one side of the support, including swivel nut, a spring, pull rod and pull ring, when needing to erect the antenna, pull rod outside earlier, the spring is compressed, the pull rod left end breaks away from the counter bore, the support unblock, again with the support with the antenna around the round pin axle clockwise rotation 90 degrees erect the antenna, then loosen the pull rod, under the effect of spring restoring force, the pull rod left end passes connecting hole on one side of the connecting seat and one end of the supporting plate, get into in the counter bore of the connecting seat opposite side, lock the support in the antenna erecting position, otherwise, make the antenna get back to the horizontal lodging state with the same method, but above-mentioned antenna lodging device and locking mechanism structure and operation process are complicated inconvenient.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention adopts the technical scheme that the invention provides an antenna pitching device which comprises an antenna body, a lodging device for driving the antenna body and a control system for controlling the lodging device; the lodging device comprises a lodging support, a telescopic mechanism and a locking mechanism, and the antenna body is connected with the telescopic mechanism;
the lodging support comprises a supporting part and a frame body, wherein one edge of the frame body is fixed on the supporting part, and the frame body rotates around the edge;
two ends of the telescopic mechanism are respectively hinged to the support part and the frame body, the telescopic mechanism comprises an electric cylinder and a second cylinder body, and the electric cylinder is connected with the second cylinder body through a transmission shaft; two ends of the electric cylinder are respectively connected with the frame body and the supporting part, and two ends of the second cylinder body are respectively connected with the frame body and the supporting part;
the locking mechanism comprises a locking part and a fixing part matched with the locking part, the fixing part is arranged on the supporting part, and the locking part is arranged on the frame body;
the control system is used for controlling the telescopic mechanism and the locking mechanism to act.
Preferably, the locking portion comprises a locking cylinder and a draw hook, the locking cylinder is electrically connected with the control system, and the locking cylinder is hinged to the draw hook.
Preferably, the drag hook comprises two baffle plates which are arranged face to face, the fixing part comprises a hook, a first shaft and a second shaft are respectively installed at two ends of each baffle plate, the first shaft is connected with the locking cylinder, and the second shaft is detachably connected with the hook.
Preferably, the locking part further comprises a guide shaft, two ends of the guide shaft abut against the two baffles, one of the baffles is provided with a guide groove, and the guide shaft slides in the guide groove.
Preferably, the guide groove includes a linear groove and an arc-shaped groove, and the arc-shaped groove is opened on the baffle plate at a position close to the first shaft and close to the inner side of the baffle plate relative to the linear groove.
Preferably, the frame body includes two parallel arrangement's crossbeam, two the crossbeam is connected with the tie-beam with one of them end separately, and the other end is articulated with the diaphragm, the diaphragm sets up on the supporting part, be provided with on the supporting part with the parallel horizontal pole of diaphragm.
Preferably, the electric cylinder comprises a first push rod, the second cylinder body comprises a second push rod, one end of the first push rod and one end of the second push rod are both hinged to the connecting beam, and the other end of the first push rod and the other end of the second push rod are both hinged to the cross rod.
Preferably, the locking device further comprises an actuating mechanism, wherein the actuating mechanism comprises a servo motor and a direct current motor, the servo motor is used for driving the electric cylinder, and the direct current motor is used for driving the locking cylinder;
the control system comprises a controller, and a first proximity switch, a second proximity switch and a limiter which are electrically connected with the controller respectively, wherein the first proximity switch is arranged on the locking part, the second proximity switch is arranged on the fixing part, and the limiter is arranged in the telescopic mechanism;
the control system is also used for being connected with an upper computer and the executing mechanism respectively, and controlling the servo motor and the direct current motor in the executing mechanism according to a control instruction of the upper computer and detection signals of the first proximity switch and the second proximity switch.
The invention also provides a control method of the pitching of the antenna, which comprises the following steps:
the controller receives the instruction of the upper computer and outputs a first control instruction according to the instruction, and controls the telescopic mechanism and the locking mechanism to drive the antenna body to tilt up or down;
the controller receives in-place signals of the first proximity switch, the second proximity switch and the limiting stopper, and inputs a second control instruction to the locking mechanism or the telescopic mechanism according to the in-place signals, and when the antenna body does not reach a preset position, the telescopic mechanism and the locking mechanism are controlled to drive the antenna body to lift up or tilt down; and when the antenna body reaches a preset position, controlling the telescopic mechanism and the locking mechanism to drive the antenna body to stop acting.
Compared with the prior art, the invention has the beneficial effects that: according to the antenna pitching device provided by the invention, the frame body is driven to rotate upwards or downwards by the single-motor double-cylinder drive to drive the antenna body to lift up or pitch down, the antenna body is fixed in a pitching-down state by the locking mechanism, the locking mechanism controls the hook to be separated from or connected with the drag hook by utilizing the sliding between the guide shaft and the guide groove, and further the unlocking or locking of the locking mechanism is realized.
Drawings
FIG. 1 is an overall configuration view of a lodging device in the invention;
FIG. 2 is a block diagram of the lodging device in another perspective of the invention;
FIG. 3 is a structural view of a frame body according to the present invention;
FIG. 4 is a structural view of the telescopic mechanism of the present invention;
FIG. 5 is a block diagram of the lodging device in accordance with the invention from a further perspective;
FIG. 6 is an enlarged view of section II of FIG. 5;
FIG. 7 is a block diagram of the locking mechanism of the present invention in an unlocked state;
FIG. 8 is a structural view of the locking mechanism of the present invention in a locked state;
FIG. 9 is a cross-sectional view of the locking mechanism of the present invention;
FIG. 10 is an enlarged view of section I of FIG. 1;
FIG. 11 is a flow chart of an antenna tilt control method of the present invention;
fig. 12 is a block diagram showing the construction of an antenna tilting device according to the present invention;
fig. 13 is a flowchart of the operation of raising the antenna body according to the present invention;
fig. 14 is a flow chart of the downward operation of the antenna main body in the present invention.
The figures in the drawings represent:
1-lodging a support; 2-a telescoping mechanism; 3-a locking mechanism;
11-a support; 12-a frame body; 21-an electric cylinder; 22-a second cylinder; 23-a drive shaft; 31-a locking part; 32-a fixed part; 111-a support base; 112-a support beam; 113-a cross-bar; 114-a first seating block; 121-a cross beam; 122-a connecting beam; 123-a transverse plate; 124-a first articulated seat; 125-a second articulated seat; 126-a fifth articulated seat; 127-a sixth hinged seat; 128-a second seat block; 211-a first motor reducer; 212-a first gearbox; 213-a first trapezoidal screw pair; 214-a first push rod; 215-a third hinge joint; 221-a manual device; 311-a draw hook; 312-locking cylinder; 313-a fixed block; 314-a guide shaft; 315-guide groove; 321-a hook; 322-a base; 3111-a first axis; 3112-a second axis; 3113-baffle plate; 3121-a third motor reducer; 3122-third gear set; 3123-third lead screw; 3124-a third lead screw nut; 3125-third push rod.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Referring to fig. 1-3, the present invention provides an antenna tilting apparatus, which includes an antenna body (not shown in the figures), a lodging device for controlling the rotation of the antenna body, and a control system electrically connected to the lodging device, wherein the lodging device includes a lodging support 1, a telescoping mechanism 2 and a locking mechanism 3;
the lodging support 1 comprises a supporting part 11 and a frame body 12, wherein the frame body 12 rotates around one side edge of the frame body;
two ends of the telescopic mechanism 2 are respectively hinged on the support part 11 and the frame body 12;
the locking mechanism 3 comprises a locking part 31 and a fixing part 32 matched with the locking part 31, the fixing part 32 is arranged on the supporting part 11, and the locking part 31 is arranged on the frame body 12; the control system controls the extension of the telescopic mechanism 2, the frame body 12 is bent downwards, and the control system controls the locking mechanism 3 to lock; otherwise, the control system controls the locking mechanism 3 to unlock, the control system controls the telescopic mechanism 2 to shorten, and the frame body 12 is raised.
The lodging support 1 comprises a supporting part 11 and a frame body 12, wherein the supporting part 11 is fixedly arranged at the top of the vehicle body, and the frame body 12 is arranged on the supporting part 11. The frame body 12 comprises two beams 121 arranged in parallel, the beams 121 are of a V-shaped structure, one ends of the two beams 121 are connected through a connecting beam 122, a transverse plate 123 is connected to the other end of the two beams 121, a first hinge seat 124 and a second hinge seat 125 are respectively arranged at the other end of the two beams 121, and two ends of the transverse plate 123 are respectively hinged to the two beams 121, so that the frame body 12 can rotate around the transverse plate 123.
The support portion 11 includes a support base 111 and a support beam 112, the support base 111 and the support beam 112 are disposed at the top of the vehicle body in parallel, the support base 111 is disposed below one end of the frame body 12, and the support beam 112 is disposed below the V-shaped bent portion of the frame body 12. The support beam 112 supports the frame body 12 when it is laid down. The top of the supporting seat 111 is provided with a transverse plate 123 and a transverse rod 113 parallel to the transverse plate 123, the transverse rod 113 is provided with a third hinge seat and a fourth hinge seat (not shown in the figure), one end of the telescopic mechanism 2 is hinged to the transverse rod 113 through the third hinge seat and the fourth hinge seat, the other end of the telescopic mechanism 2 is hinged to the connecting beam 122 through a fifth hinge seat 126 and a sixth hinge seat 127, and the fifth hinge seat 126 and the sixth hinge seat 127 are arranged on the connecting beam 122. Further, in order to improve the strength of the lodging support 1, a plurality of reinforcing ribs are further arranged between the two cross beams 121. The antenna body is connected to the telescopic mechanism 2, and optionally, a guide cylinder is installed at one end of the telescopic mechanism 2 hinged to the connecting beam 122, and the antenna body is installed in the guide cylinder. When the telescopic mechanism 2 extends, the frame body 12 rotates downward around the transverse plate 123 under the pressing of the telescopic mechanism 2, so as to drive the telescopic mechanism 2 to rotate downward, and further drive the antenna body to move downward. When the telescopic mechanism 2 is shortened, the frame body 12 rotates upward around the transverse plate 123 under the pulling of the telescopic mechanism 2, and drives the telescopic mechanism 2 to rotate upward, thereby driving the antenna body to do a lifting motion.
The telescopic mechanism 2 is driven by a single motor and double cylinders, specifically, the telescopic mechanism 2 comprises an electric cylinder 21 and a second cylinder 22, and the electric cylinder 21 is connected with the second cylinder 22 through a transmission shaft 23. The both ends of electronic jar are connected with support body and supporting part respectively, and the both ends of second cylinder body are connected with support body and supporting part respectively.
Specifically, the electric cylinder 21 includes a servo motor, a first motor reducer 211, a first housing, a first gear box 212 disposed in the first housing, a first trapezoidal screw pair 213, a first screw nut, and a first push rod 214, the servo motor is electrically connected to the control system, the servo motor is connected to the first motor reducer 211, the first motor reducer 211 is connected to the first gear box 212, the first gear box 212 is connected to the first trapezoidal screw pair 213, the first screw nut is disposed on the first screw pair, the first screw nut is connected to the first push rod 214, the first push rod 214 is connected to the third hinge joint 215, and the third hinge joint 215 is connected to the third hinge joint. Similarly, the second cylinder 22 includes a second housing, a second gear box disposed in the second housing, a second trapezoidal screw pair, a second screw nut, and a second push rod, the first gear box 212 is connected to the second gear box through the transmission shaft 23, the second gear box is connected to the second trapezoidal screw pair, the second screw nut is disposed on the second screw pair, the second screw nut is connected to the second push rod, the second push rod is connected to a fourth hinge joint, and the fourth hinge joint is connected to a fourth hinge base. One ends of the first push rod and the second push rod are hinged to the connecting beam, and the other ends of the first push rod and the second push rod are hinged to the cross rod.
The electric cylinder 21 is driven by a servo motor, and the second cylinder 22 moves synchronously with the electric cylinder 21 through the transmission action of the transmission shaft 23. The specific working process is as follows: as shown in fig. 4, the first motor reducer 211 on the left side is powered on to drive the first gear box 212 to rotate, the first gear box 212 rotates to drive the first trapezoidal lead screw pair 213 on the left side to move, the first lead screw nut is connected with the first push rod 214, and the first push rod 214 is connected with the third hinge joint 215, so as to drive the electric cylinder 21 to extend and retract. Meanwhile, the first gear box 212 drives the second gear box on the right side to rotate through the transmission shaft 23, and the structure and the action principle of the second cylinder block 22 on the right side are the same as those of the electric cylinder 21 on the left side, which is not described in detail herein. The first push rod 214 and the second push rod are synchronously extended and retracted, so that the frame body 12 rotates downwards or upwards around the transverse plate 123, and then the antenna body is pitched or lifted.
And a limiter is further arranged inside the first shell and/or the second shell, the limiter is in signal connection with the control system, and when the limiter detects that the first shell and the second shell rotate to a set angle, such as 90 degrees, the control system controls the servo motor to stop rotating. At this time, the antenna body is in a raised state.
In the invention, the end part of the second cylinder 22 is also provided with the manual device 221, the manual device 221 is arranged at the right side of the second cylinder 22, and under the condition that the control system is powered off, the electric cylinder 21 and the second cylinder 22 can be stretched and retracted through the manual device 221, so that the antenna body can be erected and retracted normally, and the normal operation of the whole antenna pitching device is ensured. The driving principle of the manual device 221 is similar to that of a servo motor, specifically, when manual operation is needed, the manual protection switch is turned off, the manual speed reducer cover plate is detached, and the manually operated antenna body can be tilted down and tilted up after the crank is installed.
The locking mechanism 3 comprises a locking part 31 and a fixing part 32, the fixing part 32 is arranged on the support beam 112, and the locking part 31 is arranged on the frame body 12; the securing portion 32 cooperates with the locking portion 31 such that when the securing portion 32 is connected to the locking portion 31, the locking mechanism 3 is in a locked state and when the securing portion 32 is disconnected from the locking portion 31, the locking mechanism 3 is in an unlocked state.
As shown in fig. 5 and 6, the fixing portion 32 is mounted on the support beam 112 via a first block 114, and the locking portion 31 is mounted on the cross member 121 via a second block 128. Specifically, the first seat block 114 is mounted on the top surface of the support beam 112, the first seat block 114 may be a rectangular block, the bottom surface of the rectangular block is fixed on the top surface of the support beam 112, the top surface of the rectangular block is in contact with the V-shaped cross beam 121, so that the rectangular block is located between the support beam 112 and the cross beam 121, and the fixing portion 32 is mounted on the outer side surface of the rectangular block, here, the outer side is in the direction away from the cross beam 121. A second block 128 is mounted on the top surface of the beam 121, and the second block 128 may be a triangular block, preferably a right-angled triangular block. The bottom surface of the right-angle triangular block is arranged on the top surface of the cross beam 121, and the locking part 31 is arranged on the right-angle surface of the right-angle triangular block.
The fixing portion 32 includes a hook 321, the hook 321 has a base 322, and the base 322 is connected to the first block 114 by a bolt or a screw, thereby fixing the hook 321 to the support beam 112. The hook 321 includes a hook head and a hook body, and the hook head and the hook body are integrally connected.
The locking portion 31 comprises a locking cylinder 312 and a draw hook 311, the principle of the locking cylinder 312 is similar to that of the electric cylinder 21, and the locking cylinder 312 comprises a direct current motor, a third motor reducer 3121, a third gear set 3122, a third lead screw 3123, a third lead screw nut 3124 and a third push rod 3125. The direct current motor is electrically connected with the control system, the direct current motor is connected with a third motor speed reducer 3121, the third motor speed reducer 3121 is connected with a third gear box, the third gear box is connected with a third lead screw 3123, a third lead screw nut 3124 is connected with a third push rod 3125, and the third push rod 3125 is connected with the drag hook 311.
One end of the drag hook 311 is connected with the third push rod 3125, and the other end is detachably connected with the hook 321. Drag hook 311 includes two face-to-face baffles 3113 that set up, and first shaft hole and second shaft hole have been seted up respectively to baffle 3113's both ends, and the both ends of drag hook 311 are equipped with first axle 3111 and second axle 3112 respectively, and the through-hole that runs through is seted up to the head of third push rod 3125, and first axle 3111 passes first shaft hole and through-hole for drag hook 311 is articulated with third push rod 3125. The second shaft 3112 is fixed to the other end of the hook 311 through the second shaft hole.
As shown in fig. 10, the locking portion 31 further includes a fixing washer and a fixing block 313, the fixing washer is mounted on the right-angled surface of the right-angled triangle, the fixing block 313 is mounted on the fixing washer, the fixing block 313 is L-shaped as a whole, the fixing block 313 includes a first portion and a second portion which are connected smoothly, the first portion is mounted on the fixing washer, and the second portion is located between the two baffles 3113.
As shown in fig. 9, the locking portion 31 further includes a guide shaft 314, the guide shaft 314 passes through the second portion of the fixed block 313, and two ends of the guide shaft 314 abut against the two baffles 3113, a guide slot 315 is formed on one of the baffles 3113, the baffle 3113 is driven to move along with the movement of the third push rod 3125, so that the guide shaft 314 slides in the guide slot 315, the guide slot 315 includes a linear slot and an arc slot connected with the linear slot, a direction on the baffle 3113 close to the cross beam 121 is an inner side, a direction away from the cross beam 121 is an outer side, the linear slot is disposed close to the second shaft 3112, the arc slot is disposed close to the first shaft 3111, and the arc slot is disposed close to the inner side of the baffle 3113, as shown in fig. 7 and 8, when the guide shaft 314 slides in the linear slot, the third push rod 3125 drives the hook 311 to vertically move downward, when the third push rod 3125 continues to push the hook 311 downward, so that the guide shaft 314 slides, since the position of the guiding shaft 314 is fixed, the pulling hook 311 will rotate outwards around the first shaft 3111, so that the pulling hook 311 is separated from the hook 321, as shown in fig. 7, and the locking mechanism 3 is in an unlocked state. On the contrary, when the third push rod 3125 drives the drag hook 311 to move upward, and the guide shaft 314 slides from the arc-shaped groove to the linear groove, the drag hook 311 rotates inward around the first shaft 3111 until the drag hook 311 and the third push rod 3125 are located in the same vertical plane, at this time, the second shaft 3112 of the drag hook 311 is located right below the hook 321, and as the third push rod 3125 drives the drag hook 311 to move upward, the guide shaft 314 continues to slide in the linear groove until the second shaft 3112 of the drag hook 311 abuts against the hook head of the hook 321, as shown in fig. 8, at this time, the locking mechanism 3 is in a locking state.
The second part of the fixing block 313 is also provided with a first proximity switch, the first proximity switch is electrically connected with the control system, the end part of the third push rod 3125 is provided with a first spacer, when the first spacer contacts with the first proximity switch, the control system controls the direct current motor to stop rotating, and then the third push rod 3125 stops moving downwards.
The second proximity switch is arranged on the hook 321, the second proximity switch is electrically connected with the control system, the second shaft 3112 is provided with a second spacer, and when the second spacer contacts with the second proximity switch, the control system controls the direct current motor to stop rotating, so that the third push rod 3125 stops moving upwards.
The control system comprises a power supply module, a controller, a conversion board, a servo driver, an intermediate relay, a transmission interface, a first proximity switch, a second proximity switch and a limiter. The control system is respectively connected with the upper computer and the executing mechanism, and the executing mechanism comprises a servo motor and a direct current motor.
The upper computer is connected with the power module, the power module is connected with the controller, the controller is in two-way connection with the conversion board, the conversion board is in two-way connection with the servo driver, the power module is connected with the servo driver, and the servo driver is in electrical two-way connection with the servo motor and used for controlling the servo motor to act. The controller is also connected with an intermediate relay, and the intermediate relay is electrically connected with the direct current motor and used for controlling the action of the direct current motor. The transmission interface is respectively connected with the upper computer and the controller. In addition, the first proximity switch, the second proximity switch and the limiter are also respectively connected with the controller.
The working process of the antenna pitching device provided by the invention is as follows: when the antenna body needs to be tilted up, the controller controls the action of the direct current motor, through the transmission of the third motor speed reducer 3121, the third gear set 3122, the third lead screw 3123 and the third lead screw nut 3124, the third push rod 3125 drives the drag hook 311 to move downward, and along with the further pushing of the third push rod 3125, the drag hook 311 is disengaged from the hook 321, and the drag hook 311 rotates around the first shaft 3111, at this time, the locking mechanism 3 is in an unlocked state, and the frame body 12 and the support beam 112 are in a separable state. After the controller received first proximity switch's unblock signal, controller control direct current motor stall, controller control servo motor begins to rotate simultaneously, first push rod 214 and the shrink of second push rod, drive support body 12 around diaphragm 123 upwards rotates, and then drive first casing and second casing and rotate, realize the raising of antenna body, when the stopper detects first casing and second casing and rotates first settlement angle, controller control servo motor stall, the antenna body is in the raising state this moment. On the contrary, when needing the antenna body to pitch down, the action of controller control servo motor, first push rod 214 and second push rod extension drive support body 12 and wind diaphragm 123 and rotate downwards, and then drive first casing and second casing and rotate around horizontal pole 113, realize pitching down of antenna body, when the stopper detected the rotation of first casing and second casing and reached the second and set for the angle, controller control servo motor stall, the antenna body was in the state of pitching down this moment. The action of controller control direct current motor for third push rod 3125 upward movement drives drag hook 311 and revolves to vertical state, and then with couple 321 butt, and after the controller received second proximity switch's locking signal, controller control direct current motor stall, locking mechanism 3 was in the locking state this moment, and support body 12 links together with a supporting beam 112, accomplishes the action of bowing down of antenna body up to this moment.
The control system is respectively connected with the upper computer and the executing mechanism, the executing mechanism comprises a servo motor and a direct current motor, the servo motor is used for driving the electric cylinder, and the direct current motor is used for driving the locking cylinder. The control system comprises a controller, a first proximity switch, a second proximity switch and a limiter, wherein the first proximity switch, the second proximity switch and the limiter are electrically connected with the controller respectively, the first proximity switch is arranged on the locking portion, the second proximity switch is arranged on the fixing portion, and the limiter is arranged inside the telescopic mechanism. The control system comprises a power supply module, a controller, a conversion board, a servo driver, an intermediate relay, a transmission interface, a first proximity switch, a second proximity switch and a limiter. The control system is respectively connected with the upper computer and the executing mechanism, and the executing mechanism comprises a servo motor and a direct current motor.
The upper computer is connected with the power module, the power module is connected with the controller, the controller is connected with the conversion board, the conversion board is connected with the servo driver in a two-way mode, the power module is connected with the servo driver, and the servo driver is connected with the servo motor and used for controlling the servo motor to act. The controller is also connected with an intermediate relay, and the intermediate relay is electrically connected with the direct current motor and used for controlling the action of the direct current motor. The transmission interface is respectively connected with the upper computer and the controller.
According to the antenna pitching device provided by the invention, the frame body is driven to rotate upwards or downwards by the single-motor double-cylinder drive to drive the antenna body to lift up or pitch down, the antenna body is fixed in a pitching-down state by the locking mechanism, the locking mechanism controls the hook to be separated from or connected with the drag hook by utilizing the sliding between the guide shaft and the guide groove, and further the unlocking or locking of the locking mechanism is realized.
The invention also provides a method for controlling the pitching of the antenna, as shown in fig. 11 and 12, which comprises the following steps: step S1, the controller receives the upper computer instruction and outputs a first control instruction according to the upper computer instruction, and controls the telescopic mechanism and the locking mechanism to drive the antenna body to tilt up or down;
after the control system supplies power, the controller receives an input instruction of the upper computer;
when the upper computer inputs a down instruction, level conversion is carried out through the conversion plate, the converted instruction is transmitted to the servo driver, the servo driver receives the instruction and simultaneously carries out data processing with a state feedback signal of the servo motor, and if no fault exists, the down instruction is input to the servo motor; further, the servo motor operates, the first push rod 214 and the second push rod extend, and the frame body 12 rotates downwards around the transverse plate 123 to drive the first cylinder body and the second cylinder body 22 to move downwards; meanwhile, the working state of the servo motor is fed back to the controller through the conversion plate.
When the upper computer inputs a lifting instruction, the controller controls the intermediate relay to output power supply voltage to the direct current motor and input an unlocking instruction to the direct current motor. Further, when the dc motor operates, the third push rod 3125 moves downward to drive the hook 311 to separate from the hook 321, and the locking mechanism 3 is unlocked.
Step S2, the controller receives the in-place signals of the first proximity switch, the second proximity switch and the limiter, and inputs a second control instruction to the locking mechanism 3 or the telescopic mechanism 2 according to the in-place signals; when the antenna body does not reach a preset position, controlling the telescopic mechanism and the locking mechanism to drive the antenna body to lift up or pitch down; and when the antenna body reaches a preset position, controlling the telescopic mechanism and the locking mechanism to drive the antenna body to stop acting.
When the controller receives the in-place signal of the limiting stopper, the antenna body reaches a preset downward position, the telescopic mechanism is controlled to stop acting, namely the controller controls the servo motor to stop acting, and the state of the control system is reported to the upper computer through the transmission interface. Meanwhile, the controller inputs a locking instruction to the direct current motor according to an in-place signal of the stopper, then the direct current motor operates, the third push rod 3125 moves upwards to drive the drag hook 311 to rotate to a vertical state, and further moves to enable the drag hook 311 to abut against the hook 321, and the locking mechanism 3 is locked. And after the controller receives the in-place signal of the second proximity switch, the controller controls the direct current motor to stop acting, namely controls the locking mechanism to stop acting, and reports the state of the control system to the upper computer through the transmission interface, so that the downward control of the antenna body is completed.
When the controller receives the in-place signal of the first proximity switch, the locking mechanism is unlocked completely, the controller controls the direct current motor to stop acting, the state of the control system is reported to the upper computer through the transmission interface, meanwhile, the controller inputs a lifting instruction to the servo motor, the servo motor operates, the first push rod 214 and the second push rod contract, the frame body 12 rotates upwards around the transverse plate 123, and the first cylinder body and the second cylinder body 22 are driven to move upwards; meanwhile, the working state of the servo motor is fed back to the controller through the conversion plate. And when the controller receives the in-place signal of the limiting stopper, the controller controls the servo motor to stop acting and reports the state of the control system to the upper computer through the transmission interface, so that the pitching control of the antenna body is completed.
As shown in fig. 13 and 14, fig. 13 is a flow chart showing the antenna body elevation operation, the upper computer inputs an elevation instruction, the locking mechanism is unlocked, after the unlocking is completed, the telescopic mechanism works to perform the antenna elevation operation, and after the antenna body is in place, the telescopic mechanism stops working and reports an elevation in-place signal to the upper computer.
Fig. 14 shows a flowchart of the antenna body bending-down action, the upper computer inputs a bending-down instruction, the telescopic mechanism works to perform the antenna bending-down action, and after the antenna bending-down action is completed, the telescopic mechanism stops working, the locking mechanism locks, and after the locking is completed, a bending-down action signal is reported to the upper computer.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. An antenna pitching device is characterized by comprising an antenna body, a lodging device for driving the antenna body and a control system for controlling the lodging device; the lodging device comprises a lodging support (1), a telescopic mechanism (2) and a locking mechanism (3), and the antenna body is connected with the telescopic mechanism (2);
the lodging support (1) comprises a supporting part (11) and a frame body (12), wherein one edge of the frame body (12) is fixed on the supporting part (11), and the frame body (12) rotates around the edge;
two ends of the telescopic mechanism (2) are respectively hinged on the support part (11) and the frame body (12); the telescopic mechanism (2) comprises an electric cylinder (21) and a second cylinder body (22), and the electric cylinder (21) is connected with the second cylinder body (22) through a transmission shaft (23); two ends of the electric cylinder (21) are respectively connected with the frame body (12) and the supporting part (11), and two ends of the second cylinder body (22) are respectively connected with the frame body (12) and the supporting part (11);
the locking mechanism (3) comprises a locking part (31) and a fixing part (32) matched with the locking part (31), the fixing part (32) is arranged on the supporting part (11), and the locking part (31) is arranged on the frame body (12);
the control system is used for controlling the telescopic mechanism (2) and the locking mechanism (3) to act.
2. The antenna tilting device according to claim 1, characterized in that the locking portion (31) comprises a locking cylinder (312) and a pulling hook (311), the locking cylinder (312) is electrically connected with the control system, and the locking cylinder (312) is hinged with the pulling hook (311).
3. The antenna pitching device according to claim 2, wherein the draw hook (311) comprises two baffle plates (3113) arranged face to face, the fixing portion comprises a hook (321), a first shaft (3111) and a second shaft (3112) are respectively installed at two ends of the baffle plate (3113), the first shaft (3111) is connected with the locking cylinder (312), and the second shaft (3112) is detachably connected with the hook (321).
4. The antenna tilting device according to claim 3, wherein the locking portion (31) further comprises a guide shaft (314), two ends of the guide shaft (314) abut against the two blocking plates (3113), one of the blocking plates (3113) is provided with a guide groove (315), and the guide shaft (314) slides in the guide groove (315).
5. The antenna tilting device according to claim 4, characterized in that the guide slot (315) comprises a linear slot and an arc slot, the arc slot opening on the baffle plate (3113) close to the first axis (3111) and close to the inner side of the baffle plate (3113) with respect to the linear slot.
6. The antenna tilting device according to any one of claims 2 to 5, wherein the frame body (12) comprises two parallel beams (121), one end of each of the two beams (121) is connected to a connecting beam (122), the other end is hinged to a transverse plate (123), the transverse plate (123) is disposed on the supporting portion (11), and a cross bar (113) parallel to the transverse plate (123) is fixedly disposed on the supporting portion (11).
7. The antenna tilting device according to claim 6, characterized in that the electric cylinder comprises a first push rod (214), the second cylinder comprises a second push rod, the first push rod (214) and the second push rod are each hinged with one end to the connection beam (122), and the other end of the first push rod (214) and the second push rod are hinged with the cross bar (113).
8. The antenna tilting device according to claim 7, further comprising an actuator including a servo motor for driving the electric cylinder and a dc motor for driving the locking cylinder;
the control system comprises a controller, and a first proximity switch, a second proximity switch and a limiter which are electrically connected with the controller respectively, wherein the first proximity switch is arranged on the locking part (31), the second proximity switch is arranged on the fixing part (32), and the limiter is arranged in the telescopic mechanism (2);
the control system is also used for being connected with an upper computer and the executing mechanism respectively, and controlling the servo motor and the direct current motor in the executing mechanism according to a control instruction of the upper computer and detection signals of the first proximity switch and the second proximity switch.
9. A method of antenna tilt control for controlling the antenna tilting device of claim 8, comprising the steps of:
the controller receives the instruction of the upper computer and outputs a first control instruction according to the instruction, and controls the telescopic mechanism and the locking mechanism to drive the antenna body to ascend or descend;
the controller receives in-place signals of the first proximity switch, the second proximity switch and the limiting stopper, and inputs a second control instruction to the locking mechanism and the telescopic mechanism according to the in-place signals, and when the antenna body does not reach a preset position, the telescopic mechanism and the locking mechanism are controlled to drive the antenna body to lift up or pitch down; and when the antenna body reaches a preset position, controlling the telescopic mechanism and the locking mechanism to drive the antenna body to stop acting.
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| CN201811363970.2A CN109462010B (en) | 2018-11-16 | 2018-11-16 | Antenna pitching device and control method |
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| CN201811363970.2A CN109462010B (en) | 2018-11-16 | 2018-11-16 | Antenna pitching device and control method |
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| CN109462010A CN109462010A (en) | 2019-03-12 |
| CN109462010B true CN109462010B (en) | 2020-10-20 |
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| CN112298056B (en) * | 2020-10-12 | 2024-03-15 | 长春通视光电技术股份有限公司 | Vehicle-mounted radar pitching angle swinging mechanism |
| CN115289380B (en) * | 2022-06-29 | 2024-02-09 | 安徽恒诺机电科技有限公司 | Pitching electric cylinder for single motor double cylinders |
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| US5469182A (en) * | 1993-08-20 | 1995-11-21 | Orbitron Division Of Greenbriar Products, Inc. | Antenna drive assembly |
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| CN207579704U (en) * | 2017-11-07 | 2018-07-06 | 钟小琼 | A kind of pitch drive mechanism |
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| US6253502B1 (en) * | 1998-08-25 | 2001-07-03 | George F. Layton | Van with extensible boom |
| US9406994B2 (en) * | 2013-03-12 | 2016-08-02 | Raytheon Company | Remote antenna deployment latch |
| CN203402572U (en) * | 2013-07-17 | 2014-01-22 | 一汽(四川)专用汽车有限公司 | Tight holding mechanism used for transport compartment of garbage compression transfer station |
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