Background
Along with the continuous development of society and science and technology, monitored control system also continuously updates thereupon, but the system that can the long-range removal monitor has appeared, it mainly relies on information technology to transmit the picture of control to the check-up equipment of long-range removal on to make things convenient for operating personnel to monitor the assigned position under the long-range moving state and look over, when moving video monitoring, need use the video acquisition device for mobile video monitored control system, traditional video acquisition device for mobile video monitored control system can satisfy people's user demand basically, but still has certain problem, specific problem is as follows:
1. when the existing video acquisition device for the mobile video monitoring system is used, a monitoring interface is generally fixed, but in actual use, when the picture size of the video acquisition device is not enough to cover all positions needing monitoring, the monitoring is easy to be not in place;
2. when the existing video acquisition device for the mobile video monitoring system is used, as more electronic components are arranged in the existing video acquisition device and the existing video acquisition device is long in continuous service time, more heat is easy to accumulate, but the existing video acquisition device generally depends on natural heat dissipation, the heat dissipation efficiency is low, and the service life of electronic devices is further influenced;
3. when the existing video acquisition device for the mobile video monitoring system is used, the continuous service time is generally long, when dust is more in a monitoring environment, a video acquisition interface is easily polluted by the dust, but an operator is in a remote monitoring state, so that the dust cannot be cleared in time, and further a monitoring picture is not clear.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a remove video acquisition device for video surveillance system to solve the current video acquisition device for mobile video surveillance system who provides among the above-mentioned background art and appear monitoring not in place easily, the radiating efficiency is lower, and can't in time carry out the problem of clearing up to monitor interface's dust.
In order to achieve the above object, the utility model provides a following technical scheme: a video acquisition device for a mobile video monitoring system comprises a mounting plate, a first device bin and a second device bin, wherein a first rotating shaft is mounted at a bearing at the central position of the top of the mounting plate, a gear is fixedly sleeved on the outer side of the first rotating shaft, the top end of the gear is fixedly provided with the first device bin, a video acquisition mechanism main body is mounted at the bottom inside the first device bin, a first micro servo motor is mounted at one side of one end of the top of the mounting plate, a second device bin is mounted at the top of the first device bin, a microcomputer is mounted at one side of the top of the second device bin, an air bin is mounted at one side, close to the microcomputer, of the bottom inside of the second device bin, a damping crankshaft penetrates through one side, close to the first micro servo motor, of the top of the second device bin, a second micro servo motor is mounted at one side, far away from the microcomputer, and the output end of the second miniature servo motor is connected with a second rotating shaft penetrating through the first device bin, the bottom end of the second rotating shaft is provided with a fan, the outer side of the second rotating shaft, which is close to the top end, is fixedly provided with a ratchet block, and the first miniature servo motor and the second miniature servo motor are respectively electrically connected with the microcomputer.
Preferably, the output end of the first miniature servo motor is connected with a screw rod, and a rack is sleeved on the outer side of the screw rod.
Preferably, an air hole is formed in one side, far away from the first miniature servo motor, of the top of the air bin, and an air injection pipe penetrating through the first device bin is communicated with one side, far away from the first miniature servo motor, of the bottom of the air bin.
Preferably, one side that first miniature servo motor was kept away from to the gas storehouse is fixed with the baffle, and the top and the bottom of baffle all articulate there is the activity sealing plug, be connected with first spring between activity sealing plug and the baffle, and the activity sealing plug is fixed with first stopper on keeping away from the baffle of first spring one side.
Preferably, the outside cover of damping bent axle is equipped with the loop bar, and the one end that the loop bar kept away from the damping bent axle articulates there is the piston.
Preferably, a rotating ring is arranged on the outer side of one end, close to the ratchet block, of the second rotating shaft, a second limiting block is hinged to the inner side of the rotating ring, a second spring is connected between the second limiting block and the rotating ring, and a belt pulley mechanism is arranged between the rotating ring and the damping crankshaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the threaded connection between the rack and the screw rod and the meshed connection between the rack and the gear, when the first micro servo motor drives the screw rod to rotate, the rack can move along the screw rod, so that the first rotating shaft drives the first device bin to rotate, and the video acquisition mechanism main body can adjust a monitoring picture as required;
2. when the second micro servo motor drives the second rotating shaft to rotate in the forward direction through the fan arranged on the second rotating shaft, the second rotating shaft can rotate along with the second rotating shaft and blow the inside of the first device bin, so that the flowing of the peripheral space of the main body of the video acquisition mechanism and the outside is accelerated, and the heat dissipation effect is improved;
3. through the transmission between swivel becket and the second pivot and be connected, the connection of belt pulley mechanism between swivel becket and the damping bent axle, the transmission between damping bent axle and the piston is connected to and the spacing cooperation of activity sealing plug, when making the miniature servo motor of second drive second pivot antiport, can make the jet-propelled pipe constantly to the window department jet-propelled of video acquisition mechanism main part, and then can clear up the window department of video acquisition mechanism main part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a video acquisition device for a mobile video monitoring system comprises a mounting plate 1, a first device bin 4 and a second device bin 9, wherein a first rotating shaft 2 is arranged at the center of the top of the mounting plate 1 in a bearing mode, a gear 3 is fixedly arranged on the outer side of the first rotating shaft 2 in a sleeved mode, the top end of the gear 3 is fixedly provided with the first device bin 4, a video acquisition mechanism main body 5 is arranged at the bottom of the inner portion of the first device bin 4, a first micro servo motor 6 is arranged on one side of one end of the top of the mounting plate 1, the type of the first micro servo motor 6 can be 42M704L530, the output end of the first micro servo motor 6 is connected with a lead screw 7, a rack 8 is arranged on the outer side of the lead screw 7 in a sleeved mode, a supporting plate is arranged at one end, far away from the first micro servo motor 6, of the lead screw 7, the stability of the lead screw 7 is improved, the rack 8 is connected with, the rack 8 is in threaded connection with the screw rod 7, and the rack 8 is in meshed connection with the gear 3, so that when the first micro servo motor 6 drives the screw rod 7 to rotate, the rack 8 can move along the screw rod 7, the first rotating shaft 2 and the first device bin 4 are driven to rotate, a monitoring picture can be adjusted by the video acquisition mechanism main body 5, and the monitoring range is enlarged;
the top of the first device bin 4 is provided with a second device bin 9, one side of the top of the second device bin 9 is provided with a microcomputer 10, one side of the bottom of the inside of the second device bin 9, which is close to the microcomputer 10, is provided with an air bin 11, one side of the top of the air bin 11, which is far away from the first micro servo motor 6, is provided with an air hole 12, one side of the bottom of the air bin 11, which is far away from the first micro servo motor 6, is communicated with an air injection pipe 13 which penetrates through the first device bin 4, so that external air can enter the inside of the air bin 11 through the air hole 12, and the air in the air hole 12 can be sprayed out through the air;
a partition plate 14 is fixed on one side of the air bin 11 far away from the first miniature servo motor 6, the top and the bottom of the partition plate 14 are hinged with movable sealing plugs 15, a first spring 16 is connected between the movable sealing plugs 15 and the partition plate 14, a first limiting block 17 is fixed on the partition plate 14 on one side of the movable sealing plugs 15 far away from the first spring 16, one side of the interior of the air bin 11 far away from the first miniature servo motor 6 is divided into two parts by the partition plate 14, when negative pressure is formed in the air bin 11, the movable sealing plugs 15 on the top of the partition plate 14 are not limited by the corresponding first limiting blocks 17, the movable sealing plugs 15 on the bottom of the partition plate 14 are rotated and opened, the movable sealing plugs 15 on the top of the partition plate 14 are limited by the corresponding first limiting blocks 17 in a closed state, so that external air enters the interior of the air bin 11 from the air holes 12, when the air in the air bin, in a closed state, the movable sealing plug 15 at the bottom of the partition plate 14 is not limited by the corresponding first limiting block 17, and is rotated and opened, so that air in the air bin 11 can be sprayed out of the window of the video acquisition mechanism main body 5 through the air spraying pipe 13, and the window of the video acquisition mechanism main body 5 is cleaned;
a damping crankshaft 18 penetrates through one side, close to the first miniature servo motor 6, of the interior of the air bin 11, a loop bar 19 is sleeved on the outer side of the damping crankshaft 18, a piston 20 is hinged to one end, far away from the damping crankshaft 18, of the loop bar 19, the damping crankshaft 18 and the air bin 11 form a relative rotating structure, the loop bar 19 and the damping crankshaft 18 form a relative rotating structure, the piston 20 and the air bin 11 form a relative sliding structure, the loop bar 19 can drive the piston 20 to slide left and right in the air bin 11 when the damping crankshaft 18 rotates, negative pressure can be formed in the air bin 11 when the piston 20 slides in a direction far away from the partition plate 14, and air in the air bin 11 can be extruded when the piston 20 slides in a direction close to the partition plate 14;
a second micro servo motor 21 is installed on one side of the top of the second device bin 9 far away from the microcomputer 10, the model of the second micro servo motor 21 can be 42M704L530, the output end of the second micro servo motor 21 is connected with a second rotating shaft 22 penetrating through the first device bin 4, the bottom end of the second rotating shaft 22 is installed with a fan 23, the outer side of the second rotating shaft 22 close to the top end is fixed with a ratchet block 24, the outer side of the second rotating shaft 22 close to one end of the ratchet block 24 is provided with a rotating ring 25, the inner side of the rotating ring 25 is hinged with a second limiting block 26, a second spring 27 is connected between the second limiting block 26 and the rotating ring 25, a belt pulley mechanism 28 is arranged between the rotating ring 25 and the damping crankshaft 18, the first micro servo motor 6 and the second micro servo motor 21 are respectively electrically connected with the microcomputer 10, the rotating ring 25 and the second rotating shaft 22 form a relative rotating structure, so that the second micro servo motor 21 drives the second rotating shaft 22 to rotate forward, the fan 23 can blow the air around the video acquisition mechanism main body 5, heat dissipation is accelerated, and the second rotating shaft 22 rotates forward to drive the ratchet block 24 to extrude the second limiting block 26, the second limiting block 26 can rotate to avoid, so that the rotating ring 25 can not rotate along with the second rotating shaft 22, when the second micro servo motor 21 drives the second rotating shaft 22 to rotate reversely, the second limiting block 26 and the ratchet block 24 are mutually clamped, mutual limitation is formed, so that the rotating ring 25 can rotate along with the second rotating shaft 22, and further the damping crankshaft 18 rotates along with the rotating ring, thereby driving the subsequent air injection pipe 13 to perform air injection cleaning on the window of the video acquisition mechanism main body 5.
The working principle is as follows: when the video acquisition device for the mobile video monitoring system is used, the device is powered on, the microcomputer 10 and the video acquisition mechanism main body 5 are respectively communicated with the remote mobile checking equipment through signals, when a monitoring picture needs to be adjusted to enlarge a monitoring range, the remote mobile checking equipment sends signals to the microcomputer 10, the microcomputer 10 controls the first micro servo motor 6 to drive the screw rod 7 to rotate, the rack 8 and the screw rod 7 are in threaded connection, the rack 8 and the mounting plate 1 form a relative sliding structure through the sliding chute and sliding block mechanism, so that the rack 8 can move along the screw rod 7, the rack 8 and the gear 3 are in meshed connection through the rack 8 and the rotating connection of the first rotating shaft 2 and the mounting plate 1, the first rotating shaft 2 can drive the first device bin 4 to rotate along with the first device bin, and further, the monitoring picture of the video acquisition mechanism main body 5 changes along with the first device bin, adjusting the monitoring picture of the video acquisition mechanism main body 5 to a position where monitoring and checking are needed;
when the video acquisition mechanism main body 5 needs to be radiated, a signal is sent to the microcomputer 10 through the remote mobile checking device, the microcomputer 10 controls the second micro servo motor 21 to drive the second rotating shaft 22 to rotate in the forward direction, so that the fan 23 rotates along with the second rotating shaft, and further blows air around the video acquisition mechanism main body 5, through the matching of the opening of the first device bin 4 and the heat radiation holes on the opening, the flowing of the space around the video acquisition mechanism main body 5 and the space in the external environment can be accelerated, and further the heat radiation effect is increased, when the acquisition window of the video acquisition mechanism main body 5 needs to be cleaned, the second micro servo motor 21 is controlled to rotate in the reverse direction, at the moment, the ratchet block 24 on the second rotating shaft 22 and the second limiting block 26 form mutual limiting, so that the rotating ring 25 can rotate along with the ratchet block, and the second micro servo motor 21 drives the second rotating shaft 22 to rotate in the forward direction, through the hinge joint of the second limiting block 26 and the rotating ring 25, the elasticity of the second spring 27, and the matching of the bevel edge of the second limiting block 26, the rotating ring 25 is connected with the second rotating shaft 22 in a rotating way, so that when the second limiting block 26 is extruded by the rotating ratchet block 24 in a rotating way, the second limiting block 26 can rotate, the second limiting block 26 and the ratchet block 24 can not form a mutual limiting way, further, when the second rotating shaft 22 rotates in a forward direction, the rotating ring 25 can not rotate along with the second rotating shaft 22, further, the rotating ring 25 can be prevented from rotating along with the second rotating shaft 22 when the fan 23 is driven to radiate heat by the forward rotation, when the rotating ring 25 is driven to rotate by the second micro servo motor 21 in a reverse direction, the damping crankshaft 18 rotates along with the second rotating shaft through the connection of the belt pulley mechanism 28 between the rotating ring 25 and the damping crankshaft 18, so that the bending part of the damping crankshaft 18 drives the sleeve rod 19 to do, and the loop bar 19 is hinged with the piston 20, the piston 20 is connected with the air chamber 11 in a sliding manner, so that the piston 20 can continuously slide left and right in the air chamber 11, when the piston 20 slides in a direction far away from the partition plate 14, negative pressure can be formed in the air chamber 11, at this time, the movable sealing plug 15 at the top of the partition plate 14 is not limited by the corresponding first limiting block 17, the movable sealing plug 15 at the bottom of the partition plate 14 is rotated and opened, the movable sealing plug 15 at the bottom of the partition plate 14 is limited by the corresponding first limiting block 17 to be in a closed state, so that external air enters the air chamber 11 through the air hole 12, when the piston 20 slides in a direction close to the partition plate 14, extrusion force is generated on the air in the piston 20, at this time, the movable sealing plug 15 at the top of the partition plate 14 is limited by the corresponding first limiting block 17 and is in a closed, the air chamber 11 is opened by rotation, so that the air in the air chamber can be sprayed out to the window of the video acquisition mechanism main body 5 through the air spraying pipe 13, and the window of the movable sealing plug 15 is cleaned.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.