CN109302549A - A kind of anti-defrosting system of public security monitoring - Google Patents
A kind of anti-defrosting system of public security monitoring Download PDFInfo
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- CN109302549A CN109302549A CN201811073692.7A CN201811073692A CN109302549A CN 109302549 A CN109302549 A CN 109302549A CN 201811073692 A CN201811073692 A CN 201811073692A CN 109302549 A CN109302549 A CN 109302549A
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- monitoring
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- shield
- frost shield
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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Abstract
The invention belongs to monitoring device technical fields, more particularly to a kind of public security monitors anti-defrosting system, including camera, center switch and monitoring computer, camera is connect by center switch with monitoring computer, camera includes monitor component, the outside of monitor component is provided with spherical rotatable frost shield, the upper end of frost shield is provided with defroster assembly and environmental monitoring component, the present invention is different from the shield of existing fixation, when detecting frosty weather, frost shield slowly rotates, it is defrosted at the top of frost shield by defroster assembly, due to the shield using rotation, defroster assembly can be arranged in the blind area of top monitor component, defroster assembly movement during defrosting is avoided to block camera, by the way of the heating defrosting of frost shield outside, avoid the excessively high generation aqueous vapor of frost shield internal temperature, it condenses on frost prevention cover inner surface, it hides Keep off the monitoring of camera.
Description
Technical field
The invention belongs to monitoring device technical fields more particularly to a kind of public security to monitor anti-defrosting system.
Background technique
Closed-circuit control at present is used widely in civilian and commercial field, since monitoring camera is typically mounted on outdoor
In environment, rain, snow, sand and dust in outdoor environment etc. are easy to have an impact monitoring effect, to guarantee that quality monitoring and monitoring are set
Usually shield is arranged in the external of monitoring device in the standby service life, and shield can be effectively external miscellaneous by rain, snow, sand and dust etc.
Object barrier, avoids rainwater from entering corrosion equipment, and most civilian and business is monitored, and the protection of shield has been able to meet prison
Control needs, but for public security monitoring system, the requirement to quality monitoring is relatively higher, under frosty weather, shield surface
White block will be generated and provide opportunity to hinder the shooting of monitoring device for criminal, in the prior art for shield
On white block there are mainly two types of processing mode, first is that heating equipment is arranged inside shield, such as application number:
201520499837.5 " a kind of antifreeze frost prevention video monitor ", starts heating equipment under frosty weather, avoids shield
Frosting, or rain brush is directlyed adopt to scrape defrosting block, it is current main defrosting for heating equipment is arranged inside shield
Means, but heating equipment is easy to make to generate steam inside shield, so that drips quality monitoring is generated in shield inner wall,
It using rain brush defrosting is easy that monitor is caused to block, therefore a kind of new public security is provided monitors anti-defrosting system and become and urgently solve
Certainly the problem of.
Summary of the invention
The present invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of anti-defrosting system of public security monitoring, are to solve existing
There is the problem of technology be easy to cause monitoring device to block during defrosting.
Technical solution of the present invention:
A kind of public security monitors anti-defrosting system, including camera, center switch and monitoring computer, during the camera passes through
Heart interchanger is connect with monitoring computer, and the camera includes monitor component, and the outside of monitor component, which is provided with spherical shape, to be turned
Dynamic frost shield, the upper end of frost shield are provided with defroster assembly, and environmental monitoring component, the ring are additionally provided on the camera
Border monitoring assembly includes temperature sensor and dew point transducer, and the temperature sensor and dew point transducer are exchanged by center
Machine is connect with monitoring computer, judges current weather conditions by computer；When environmental monitoring assemblies monitor is to frosty weather, frost prevention
Cover determines rotation direction according to the position of monitor component, and defroster assembly removes the condensation frost on frost shield surface during rotation
It removes；
The both ends of the frost shield are rotatably arranged in the shell of camera by shaft, and rotation electricity is provided in shell
Machine, the shaft are connect with rotary electric machine；
Position disk is provided on the monitor component, the disk of position disk is vertical with the rotation axis of the frost shield, described
It is provided with the hollow slots of kidney-shaped on the disk of position, the first photoelectric sensor is provided in the shell, the edge of the position disk is embedding
Enter in the detection notch of the first photoelectric sensor；
The defroster assembly includes centering block, and centering block is rotatably connected in the shell by swing-block shaft, the lower end of centering block with
The contact position of the frost shield is provided with wiping block, and the two sides of wiping block are respectively arranged with a fire-bar, go back on the centering block
It is provided with position contact, the two sides of position contact are respectively arranged with the second photoelectric sensor and third photoelectric sensor, the pendulum
There are two scraper plate, scraper plate described in two is separately positioned on the outside of two fire-bars for setting on block.
Further, it is provided with gear in the rotation axis of the rotary electric machine, is provided with annular on the inner wall of the shaft
Tooth, the gear and the annular tooth engagement.
Further, first photoelectric sensor includes two spaced photoelectric sensors.
Further, the monitor component includes: to rotate spherical shell, monitor, the first monitoring motor and the second monitoring motor,
The monitor is connect with the shaft of the first monitoring motor, and the first monitoring motor and monitor are arranged in the rotation spherical shell
Portion, the both ends for rotating spherical shell are rotatablely connected on the housing, and rotate one end and the shaft company of the second monitoring motor of spherical shell
It connects.
A kind of defroster assembly monitoring anti-defrosting system for public security, including centering block, centering block are rotatably connected on by swing-block shaft
In the shell, the contact position of the lower end of centering block and the frost shield is provided with wiping block, and the two sides of wiping block are respectively arranged with
One fire-bar is additionally provided with position contact on the centering block, and the two sides of position contact are respectively arranged with the second photoelectric sensor
With third photoelectric sensor, on the centering block setting there are two scraper plate, described in scraper plate described in two is separately positioned on two plus
The outside of hot item.
A kind of monitor component monitoring anti-defrosting system for public security, including rotation spherical shell, monitor, first monitoring motor and
Second monitoring motor, the monitor are connect with the shaft of the first monitoring motor, and the first monitoring motor and monitor are arranged at
Inside the rotation spherical shell, the both ends for rotating spherical shell are rotatablely connected on the housing, and rotate one end and the second prison of spherical shell
Control the shaft connection of motor.
A kind of environmental monitoring component monitoring anti-defrosting system for public security, comprising: temperature sensor and dew point transducer, two
A sensor passes through center switch and connect with monitoring computer, judges current weather conditions by computer.
A kind of outdoor monitoring device Defrost method, comprising the following steps:
Step a: environmental monitoring assemblies monitor is in frosty weather to open air；
The b: the first photoelectric sensor of step detects throwing of the monitoring direction of monitor component on frost shield rotational plane circumference
Shadow direction；
Step c: frost shield a little turns to the projection towards frost shield top and rotates towards the close side of upper distance；
Step d: centering block is tilted along the rotation direction of frost shield, and the side of wiping block is contacted with the surface of frost shield, is put
The fire-bar and scraper plate of block and frost shield rotation direction opposite side are close to the surface of frost shield；
Step e: the white block on frost shield surface is scraped by scraper plate, and white block is scraped rear remaining small white block and melted by fire-bar
Change, wiping block wipes the small white block of thawing；
Step f: frost shield rotation, by the direction of the surface pivots of wiped clean to monitor component, frost shield is persistently rotated
Until frosty weather terminates.
Further, in the step b, when two photoelectric sensors of the first photoelectric sensor are blocked simultaneously, monitoring
The monitoring of component towards in the side of frost shield rotational plane circumference, two photoelectric sensors one of them when being blocked, monitoring
The monitoring of component is towards in the lower end of frost shield rotational plane circumference, when two photoelectric sensors are unobstructed simultaneously, monitor component
Monitoring towards in the other side of frost shield rotational plane circumference.
Further, in the step d, after centering block inclination, position contact is by the second photoelectric sensor or third photoelectric transfer
Sensor blocks, the second photoelectric sensor or third photoelectric sensor being blocked as with the second photoelectric sensor or third photoelectricity
The enabling signal of the ipsilateral fire-bar of sensor.
Further, the method is applied monitors on anti-defrosting system in a kind of public security.
The invention has the benefit that
1 present invention is different from the shield of existing fixation, using rotatable frost shield, when detecting frosty weather,
Frost shield slowly rotates, and is defrosted at the top of frost shield by defroster assembly, can be by the group that defrosts due to the shield using rotation
The blind area of top monitor component is arranged in part, and defroster assembly movement during defrosting is avoided to block camera.
2 present invention are different from the existing mode heated inside shield, by the way of heating outside shield
It defrosts, in frost shield rotation, centering block inclination, fire-bar is close to frost shield surface, to anti-while melting white block
Frost cover surface is heated, and by the way of the heating defrosting outside frost shield, avoids the excessively high generation of frost shield internal temperature
Aqueous vapor condenses on frost prevention cover inner surface, blocks the monitoring of camera.
3, frost shield of the invention determines rotation direction according to the position of monitor component, by the way that position is arranged on monitor component
Disk is set, the direction of monitoring camera is determined by the first photoelectric sensor, frost shield is determined according to the direction of monitoring camera
Rotation direction will preferentially turn to monitoring area just past the frost shield of wiping, the white block on frost shield surface avoided to defrost
Accumulation stops monitoring at component.
Detailed description of the invention
Fig. 1 is the overall structure diagram of camera of the invention；
Fig. 2 is the side, sectional structural schematic diagram of Fig. 1；
Fig. 3 is the structural schematic diagram of the position disk in Fig. 1；
Fig. 4 is the defrosting schematic illustration of camera；
Fig. 5 is control planning schematic diagram of the invention；
Fig. 6 is structural schematic diagram of the camera in specific embodiment five；
Fig. 7 is structural schematic diagram of the camera in specific embodiment six；
Fig. 8 is structural schematic diagram of the camera in specific embodiment seven；
In figure: 1- monitor component；2- frost shield；3- defroster assembly；4- environmental monitoring component；5- shell；6- swings pedestal；
7- ventilation assembly；The position 11- disk；12- rotates spherical shell；13- monitor；14- first monitors motor；15- second monitors motor；
21- shaft；22- rotary electric machine；31- centering block；32- wiping block；33- fire-bar；The second photoelectric sensor of 34-；35- third photoelectricity
Sensor；51- rotary electric machine；The first photoelectric sensor of 52-；61- pedestal screw rod；62- base gear；63- base electrical machinery；71-
Air inlet；72- air outlet；73- fan；111- hollow slots；The position 311- contact；312- scraper plate；313- wipes sliding block；
Specific embodiment
Below with reference to attached drawing, the present invention is described in detail:
Specific embodiment one
The anti-defrosting system of a kind of public security monitoring disclosed in the present embodiment, referring to figs. 1 and 2, including camera, center are handed over
It changes planes and monitoring computer, the camera is connect by center switch with monitoring computer, which is characterized in that the camera packet
Monitor component 1 is included, the outside of monitor component 1 is provided with the spherical frost shield 2 that can be rotated, and the upper end of frost shield 2, which is provided with, removes
White component 3, environmental monitoring component 4 is additionally provided on the camera, and the environmental monitoring component 4 includes temperature sensing and dew point
Sensor, the temperature sensor and dew point transducer are met monitoring computer by center switch and are connected, and are judged by computer
Current weather conditions；When environmental monitoring component 4 monitors frosty weather, frost shield 2 is determined according to the position of monitor component 1 to be turned
Dynamic direction, defroster assembly 3 removes the condensation frost on 2 surface of frost shield during rotation；Defroster assembly 3 is located at frost shield 2
Top position, the blind area in monitor component 1 will not generate camera when removing defrosting block and block；
Monitor component 1 can the rotations of two freedom degrees be monitored, the rotational plane of one of freedom degree and frost prevention
The plane of rotation of cover 2 is parallel, and the rotational plane of another freedom degree is vertical with the plane of rotation of frost shield 2；It is supervised in environmental monitoring component 4
When measuring frosty weather, frost shield 2 is rotated, and the defroster assembly 3 of 2 upper end of frost shield removes the white block on 2 surface of frost shield, frost prevention
By in front of the surface pivots after wiping to camera, frost shield 2 continues slowly to rotate cover 2, until environmental monitoring component 4 monitors
Frosty weather terminates；Environmental monitoring component 4 includes: temperature sensor and dew point transducer, and two sensors are handed over by center
It changes planes and meets monitoring computer connection, current weather conditions are judged by computer；When external temperature is reduced to dew-point temperature, in air
Water-setting form drop, at this time if temperature is lower than 0 degree will occur frost, pass through the dew of dew point transducer detection surrounding air
Point detects ambient temperature by temperature sensor, is judged by monitoring computer, is lower than 0 degree, while dew point in ambient temperature
When temperature is less than ambient temperature, it is judged as frosty weather；
As shown in connection with fig. 1, the both ends of the frost shield 2 are rotatably arranged in the shell 5 of camera by shaft 21, shell
Rotary electric machine 51 is provided in 5, the shaft 21 is connect with rotary electric machine 51；
In conjunction with shown in Fig. 1 and Fig. 3, position disk 11 is provided on the monitor component 1, the disk of position disk 11 is prevented with described
The rotation axis of frost cover 2 is vertical, and the hollow slots 111 of kidney-shaped are provided on the position disk 11, are provided with the first light in the shell 5
The edge of electric transducer 52, the position disk 11 is embedded in the detection notch of the first photoelectric sensor 52；
Position disk 11 is socketed in shaft 21, and as shaft 21 rotates synchronously, hollow slots 111 occupy the arc of half of circumference
Degree indicates that the monitoring of monitor component 1 is put down towards in the rotation of frost shield 2 when the first photoelectric sensor 52 is in hollow slots 111
The side in face indicates that the monitoring direction of monitor component 1 exists when the first photoelectric sensor 52 is in other regions of position disk 11
The other side of 2 rotational plane of frost shield；
Referring to figs. 1 and 2, the defroster assembly 3 includes centering block 31, and centering block 31 is rotatably connected on institute by swing-block shaft
It states in shell 5, the contact position of the lower end of centering block 31 and the frost shield 2 is provided with wiping block 32, the two sides difference of wiping block 32
It is provided with a fire-bar 33, position contact 311 is additionally provided on the centering block 31, the two sides of position contact 311 are respectively set
There are the second photoelectric sensor 34 and third photoelectric sensor 35, there are two scraper plates 312 for setting on the centering block 31, described in two
Scraper plate 312 is separately positioned on the outside of two fire-bars 33；
The top of monitor component 1 is arranged in defroster assembly 3, is in the blind area of monitoring position of monitor component 1, passes through rotation
The rotation of frost shield 2 will be purged above the surface pivots to monitor component 1 with white block, will not be right during defrosting
Monitor component 1 causes to block, while the centering block 31 being arranged run-off the straight while frost shield 2 rotates, and makes the side of wiping block 32
Face is wiped, and the contact area of wiping block 32 is increased；
As shown in connection with fig. 4, monitor component is connect by center switch with monitoring computer, completes normal monitoring shooting,
Controller is additionally provided on camera, controller is connected with the first photoelectric sensor, the second photoelectric sensor and third photoelectric transfer
Sensor, controller control the rotation direction of rotary electric machine according to the signal of the first photoelectric sensor, and controller is according to the second photoelectricity
The signal of sensor and third photoelectric sensor controls the opening and closing of fire-bar, and controller is connect with monitoring computer, monitors
Computer is also connected with environmental monitoring component, for the environment near the white camera in the side of detection, starts to defrost in frosty weather；
As shown in connection with fig. 5, the monitoring direction of monitor component 1 is towards right side, in defrosting, frost shield 2 along rotating clockwise,
Centering block 31 tilts to the left, and the scraper plate 312 and fire-bar 33 in 31 left side of centering block are close to 2 surface of frost shield, and position contact 311 is to the left
Side is mobile, and the second photoelectric sensor 34 is blocked, and the fire-bar 33 in 31 left side of centering block starts, and scraper plate 312 strikes off white block, remaining
Pin frost block after the thawing of fire-bar 33, wiped by wiping block 32, the surface pivots of the frost shield 2 after wiping are to the right side
The monitor area of side monitor component 1 avoids generating to accumulate when white block is more causing to block to monitoring assembly 1；
Specific embodiment two
The present embodiment be on the basis of specific embodiment one, specifically, as shown in connection with fig. 1, the rotary electric machine 22
Rotation axis on be provided with gear, be provided with annular tooth on the inner wall of the shaft 21, the gear and the annular tooth engagement.
Specific embodiment three
The present embodiment be on the basis of specific embodiment one, specifically, in conjunction with shown in Fig. 2 and Fig. 3, first light
Electric transducer 52 includes two spaced photoelectric sensors, and two spaced photoelectric sensors are sensed relative to one
Device is able to detect the marginal position of place's hollow slots 111, can be using the circumferential both ends of hollow slots 111 as reduction point, in position disk
11 centering blocks 31 when turning to the edge of hollow slots 111 are in a vertical state, and position contact 311 is in 34 He of the second photoelectric sensor
Between third photoelectric sensor 35, two fire-bars 33 are in closed state, are sentenced by two photoelectric sensor state differences
The disconnected edge in hollow slots 111.
Specific embodiment four
The present embodiment is on the basis of specific embodiment one, two or three, and specifically, the monitor component 1 includes: to turn
Dynamic spherical shell 12, monitor 13, first monitor motor 14 and the second monitoring motor 15, the monitor 13 and the first monitoring motor 14
Shaft connection, first monitoring motor 14 and monitor 13 be arranged inside the rotation spherical shell 12, rotate spherical shell 12 two
End is rotatably connected on the shell 5, and the one end for rotating spherical shell 12 is connect with the shaft of the second monitoring motor 15.
Specific embodiment five
The present embodiment is that solve centering block 31 wiping block 32 and frost prevention after swing on the basis of specific embodiment one
Cover the inadequate problem of the small pressure of 2 contacts area；
Specifically, as shown in connection with fig. 6, the lower end of the centering block 31 is provided with the vertical chute, and wiping is provided in sliding slot and is slided
Block 313 wipes and is provided with spring between the upper end of sliding block 313 and the bottom of the vertical chute, and the side of wiping sliding block 313 is set
Limit sliding chutes are equipped with, limit blend stop is provided on the side wall of the vertical chute, limit blend stop sliding is embedded in the limit sliding chutes
Interior, the lower end of the wiping sliding block 313 is fixedly connected with the wiping block 32；
It pushes wiping sliding block 313 to slide in the vertical chute by spring, is pressed on wiping sliding block 313 by wiping block 32
The surface of frost shield 2 guarantees that wiping block 32 is pressed on the surface of frost shield 2 when frost shield 2 rotates, meanwhile, in frost shield 2
When rotation, the rotation direction swing that centering block 31 is taken advantage of a situation towards frost shield 2, the wiping block 32 for contacting this with frost shield 2 with front
Inclination, is contacted with frost shield 2 using the side of wiping block 32 and is wiped, increase contact area；
Specific embodiment six
The present embodiment is that solve the frost that scraper plate 312 scrapes when frosting is more on the basis of specific embodiment one
Block is not the problem of the accumulation of 2 surface of frost shield can be removed；
Specifically, as shown in connection with fig. 7, the camera further includes swinging pedestal 6, the upper end rotation connection of the shell 5
On the swing pedestal 6, and shell 5 and the axis for swinging the rotation connection of pedestal 6 are vertical with the pivot center of the frost shield 2
Non-intersecting setting, swinging pedestal 6 includes pedestal screw rod 61, base gear 62 and base electrical machinery 63, and the base gear 62 is fixed
It is arranged on shell 5, base gear 62 is engaged with pedestal screw rod 61, and one end of pedestal screw rod 61 is rotatably connected on the swing bottom
In seat 6, the other end of pedestal screw rod 61 is connect with the base electrical machinery 63；
Pedestal 6 is swung by being arranged in the upper end of shell 5, shell 5 may be implemented and swung relative to pedestal 6 is swung, is solved
The shaft 21 at frost shield 2 both ends to the restricted problem of 1 monitoring range of monitor component, meanwhile, pass through shell 5 and swing and pedestal 6
Collision generates vibration, the white block vibration accumulated in frost prevention 2 can be fallen；
Specific embodiment seven
The present embodiment be on the basis of specific embodiment one, solve fire-bar 33 melt aqueous vapor that white block generates and
The problem of aqueous vapor on 2 surface of frost shield can not be discharged after wiping block 32 wipes；
Specifically, as shown in connection with fig. 8, the camera further includes ventilation assembly 7, and ventilation assembly 7 is arranged in the shell 5
The upper air draft for defroster assembly 3, the ventilation assembly 7 includes: air inlet 71, air outlet 72 and fan 73, the air inlet
71 and air outlet 72 two sides of the defroster assembly 3, the fan 73 are separately positioned on along the pivot center of the frost shield 2
It is arranged in air inlet 71；
By the draught effect of ventilation assembly 7, the aqueous vapor discharge that the white block for melting fire-bar 33 generates, while making to wipe
The surface for the frost shield 2 that block 32 wipes across air-dries, and avoids the aqueous vapor on 2 surface of frost shield from condensing again and frosts block；
Specific embodiment eight
A kind of outdoor monitoring device Defrost method disclosed in the present embodiment, the method be in specific embodiment one, two or
A kind of public security described in three monitors to be realized on anti-defrosting system, specifically, comprising the following steps:
Step a: environmental monitoring component 4 monitors outdoor in frosty weather；
The b: the first photoelectric sensor of step 52 detects the monitoring of monitor component 1 towards on 2 rotational plane circumference of frost shield
Projection direction；Determine that camera is biased to left side or right side；
Step c: frost shield 2 a little turns to the projection towards 2 top of frost shield and rotates towards the close side of upper distance；
Slide into the frost shield surface by wiping preferentially in front of camera；
Step d: centering block 31 is tilted along the rotation direction of frost shield 2, and the side of wiping block 32 and the surface of frost shield 2 connect
Touching, the fire-bar 33 and scraper plate 312 of centering block 31 and 2 rotation direction opposite side of frost shield are close to the surface of frost shield 2；Centering block 31
It is swung according to the rotation direction of frost shield 2, while the fire-bar 33 for starting the inclined side of centering block 31 defrosts；
Step e: the white block on 2 surface of frost shield is scraped by scraper plate 312, and white block is scraped rear remaining small frost by fire-bar 33
Block melts, and wiping block 32 wipes the small white block of thawing；
Step f: frost shield 2 rotates, and by the surface pivots of wiped clean to the direction of monitor component 1, frost shield 2 persistently turns
It moves until frosty weather terminates.
Specific embodiment nine
The present embodiment is that solve the test problems that monitor component 1 monitors direction on the basis of specific embodiment eight；
Specifically, in the step b, when two photoelectric sensors of the first photoelectric sensor 52 are blocked simultaneously, monitoring
The monitoring of component 1 towards in the side of 2 rotational plane circumference of frost shield, two photoelectric sensors one of them when being blocked, prison
The monitoring of component 1 is controlled towards in the lower end of 2 rotational plane circumference of frost shield, when two photoelectric sensors are unobstructed simultaneously, monitoring
The monitoring of component 1 is towards in the other side of 2 rotational plane circumference of frost shield.
Specific embodiment ten
The present embodiment is that solve the problems, such as the enabling signal of fire-bar 33 on the basis of specific embodiment eight；
Specifically, in the step d, after centering block 31 tilts, position contact 311 is by the second photoelectric sensor 34 or third light
Electric transducer 35 blocks, the second photoelectric sensor 34 or third photoelectric sensor 35 being blocked as with the second photoelectric sensor
34 or the ipsilateral fire-bar 33 of third photoelectric sensor 35 enabling signal.
Specific embodiment 11
The present embodiment is that the method, which is applied, monitors anti-defrosting system in a kind of public security on the basis of specific embodiment eight
On, the defrosting problem of the camera in anti-defrosting system is monitored for public security.
Specific embodiment 12
The present embodiment is that solve centering block 31 wiping block 32 and frost prevention after swing on the basis of specific embodiment eight
Cover the inadequate problem of the small pressure of 2 contacts area；
Specifically, as shown in connection with fig. 6, the rotation direction that centering block 31 is taken advantage of a situation towards frost shield 2 is swung, and wiping sliding block 313 exists
The promotion lower slider of spring, wiping sliding block 313 are slided to the lower end of the vertical chute, and limit blend stop slides into the upper end of limit sliding chutes
Wiping block 32 is pressed on the surface of frost shield 2 by the sliding distance of limitation wiping sliding block 313, wiping sliding block 313, and wiping block 32 inclines
Tiltedly increase with the contact area of frost shield 2, the side of wiping block 32 is contacted with 2 surface of frost shield；
It pushes wiping sliding block 313 to slide in the vertical chute by spring, is pressed on wiping sliding block 313 by wiping block 32
The surface of frost shield 2 guarantees that wiping block 32 is pressed on the surface of frost shield 2 when frost shield 2 rotates, meanwhile, in frost shield 2
When rotation, the rotation direction swing that centering block 31 is taken advantage of a situation towards frost shield 2, the wiping block 32 for contacting this with frost shield 2 with front
Inclination, is contacted with frost shield 2 using the side of wiping block 32 and is wiped, increase contact area；
Specific embodiment 13
The present embodiment is that solve the frost that scraper plate 312 scrapes when frosting is more on the basis of specific embodiment eight
Block is not the problem of the accumulation of 2 surface of frost shield can be removed；
Specifically, as shown in connection with fig. 7, base electrical machinery 63 drives pedestal screw rod 61 to rotate, and pedestal screw rod 61 pushes pedestal tooth
62 rotation of wheel, shell 5 are deflected relative to pedestal 6 is swung, and one end of shell 5 is collided with pedestal 6 is swung, and frost shield 2 shakes, frost prevention
The white block accumulated on cover 2 falls off under vibration, and base electrical machinery 63 inverts, and pedestal screw rod 61 pushes base gear 62 to invert, shell 5
It resets；
Pedestal 6 is swung by being arranged in the upper end of shell 5, shell 5 may be implemented and swung relative to pedestal 6 is swung, is solved
The shaft 21 at frost shield 2 both ends to the restricted problem of 1 monitoring range of monitor component, meanwhile, pass through shell 5 and swing and pedestal 6
Collision generates vibration, the white block vibration accumulated in frost prevention 2 can be fallen；
Specific embodiment 14
The present embodiment be on the basis of specific embodiment eight, solve fire-bar 33 melt aqueous vapor that white block generates and
The problem of aqueous vapor on 2 surface of frost shield can not be discharged after wiping block 32 wipes；
Specifically, as shown in connection with fig. 8, fan 73 enters outside air from air inlet 71, and air-flow is long along wiping block 32
Degree direction is flowed through in the two sides of wiping block 32, and fire-bar 33 is melted to frost shield after the aqueous vapor and the wiping of wiping block 32 of white block generation
The aqueous vapor on 2 surfaces is taken away, and 2 surface of frost shield for wiping across wiping block 32 air-dries；
By the draught effect of ventilation assembly 7, the aqueous vapor discharge that the white block for melting fire-bar 33 generates, while making to wipe
The surface for the frost shield 2 that block 32 wipes across air-dries, and avoids the aqueous vapor on 2 surface of frost shield from condensing again and frosts block；
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (7)
1. a kind of public security monitors anti-defrosting system, including camera, center switch and monitoring computer, the camera pass through center
Interchanger is connect with monitoring computer, which is characterized in that the camera includes monitor component (2), and the outside of monitor component (1) is set
It is equipped with the spherical frost shield (2) that can be rotated, the upper end of frost shield (2) is provided with defroster assembly (3), also sets on the camera
It is equipped with environmental monitoring component (4), the environmental monitoring component (4) includes temperature sensor and dew point transducer, and the temperature passes
Sensor and dew point transducer pass through center switch and connect with monitoring computer, judge current weather conditions by computer；In ring
When border monitoring assembly (4) monitors frosty weather, frost shield (2) determines rotation direction according to the position of monitor component (1), is turning
Defroster assembly (3) removes the condensation frost on frost shield (2) surface during dynamic；
The both ends of the frost shield (2) are rotatably arranged in the shell (5) of camera by shaft (21), setting in shell (5)
Have rotary electric machine (51), the shaft (21) connect with rotary electric machine (51)；
It is provided with position disk (11) on the monitor component (1), the disk of position disk (11) and the rotation axis of the frost shield (2)
Vertically, it is provided with the hollow slots (111) of kidney-shaped on the position disk (11), is provided with the first photoelectric sensing in the shell (5)
The edge of device (52), the position disk (11) is embedded in the detection notch of the first photoelectric sensor (52)；
The defroster assembly (3) includes centering block (31), and centering block (31) is rotatably connected in the shell (5) by swing-block shaft, pendulum
The lower end of block (31) and the contact position of the frost shield (2) are provided with wiping block (32), and the two sides of wiping block (32) are respectively set
There is a fire-bar (33), is additionally provided with position contact (311) on the centering block (31), the two sides difference of position contact (311)
It is provided with the second photoelectric sensor (34) and third photoelectric sensor (35), there are two scraper plates for setting on the centering block (31)
(312), scraper plate (312) described in two is separately positioned on the outside of two fire-bars (33).
2. a kind of public security according to claim 1 monitors anti-defrosting system, which is characterized in that the rotary electric machine (22) turns
It is provided with gear on moving axis, annular tooth, the gear and the annular tooth engagement are provided on the inner wall of the shaft (21).
3. a kind of public security according to claim 1 monitors anti-defrosting system, which is characterized in that first photoelectric sensor
It (52) include two spaced photoelectric sensors.
4. a kind of public security according to claim 1,2 or 3 monitors anti-defrosting system, which is characterized in that the monitor component (1)
It include: rotation spherical shell (12), monitor (13), the first monitoring motor (14) and the second monitoring motor (15), the monitor
(13) it is connect with the shaft of the first monitoring motor (14), the first monitoring motor (14) and monitor (13) are arranged at the rotation
Spherical shell (12) is internal, and the both ends of rotation spherical shell (12) are rotatably connected on the shell (5), and rotate the one end of spherical shell (12) with
The shaft connection of second monitoring motor (15).
5. a kind of defroster assembly for monitoring anti-defrosting system for public security, which is characterized in that including centering block (31), centering block (31) passes through
Swing-block shaft is rotatably connected in the shell (5), and the lower end of centering block (31) and the contact position of the frost shield (2) are provided with wiping
Block (32), the two sides of wiping block (32) are respectively arranged with a fire-bar (33), and position touching is additionally provided on the centering block (31)
Point (311), the two sides of position contact (311) are respectively arranged with the second photoelectric sensor (34) and third photoelectric sensor (35),
There are two scraper plate (312), scraper plate (312) described in two is separately positioned on two fire-bars for setting on the centering block (31)
(33) outside.
6. a kind of monitor component for monitoring anti-defrosting system for public security, which is characterized in that including rotating spherical shell (12), monitor
(13), the first monitoring motor (14) and the second monitoring motor (15), the monitor (13) turn with the first monitoring motor (14)
Axis connection, the first monitoring motor (14) and monitor (13) are arranged at rotation spherical shell (12) inside, rotate spherical shell (12)
Both ends be rotatably connected on the shell (5), and rotate spherical shell (12) one end with second monitoring motor (15) shaft connect
It connects.
7. a kind of environmental monitoring component for monitoring anti-defrosting system for public security characterized by comprising temperature sensor and dew point
Sensor, two sensors pass through center switch and connect with monitoring computer, judge current weather conditions by computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073692.7A CN109302549A (en) | 2018-09-14 | 2018-09-14 | A kind of anti-defrosting system of public security monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073692.7A CN109302549A (en) | 2018-09-14 | 2018-09-14 | A kind of anti-defrosting system of public security monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109302549A true CN109302549A (en) | 2019-02-01 |
Family
ID=65163069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073692.7A Pending CN109302549A (en) | 2018-09-14 | 2018-09-14 | A kind of anti-defrosting system of public security monitoring |
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| Country | Link |
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| CN (1) | CN109302549A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314664A (en) * | 2020-03-06 | 2020-06-19 | 易道群 | Heat recovery defogging type intelligent security monitoring equipment based on curved bar ventilation |
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Application publication date: 20190201 |