CN205430406U - Monitoring camera device - Google Patents

Abstract

The utility model provides a monitoring camera device, including surveillance camera head and with the LED light filling lamp of the first syntropy of surveillance camera installation, circuit control module that LED light filling lamp includes procapsid, back casing, set up in backshell internal portion and setting up at the inside LED lamp of procapsid, the front end of procapsid are equipped with anti - light cup and diaphanous window, the hou bi of procapsid after with the antetheca of casing be connected, circuit control module and LED lamp are connected, diaphanous window and anti - light cup's the export setting that cooperatees, the last convex lens that are equipped with of diaphanous window, is the power of LED lamp 5 50W, the back wall of back casing is equipped with the fin. The utility model discloses monitoring camera device avoids vehicle headlight direct irradiation surveillance camera head, has avoided the hangover phenomenon of the in -process of making a video recording completely, the circuit control module heat dissipation is little to the influence of LED lamp, long service life.

Description

Monitor camera device

Technical field

The utility model belongs to monitor camera device field, especially relates to a kind of prison for night traffic monitoring camera Control camera head.

Background technology

Present stage night movement vehicle license plate identification is mainly auxiliary by bayonet socket camera, electronic police (essence is still bayonet socket camera) Helping flash lighting to realize, but both the above equipment price is high, mounting process is complicated, is not suitable for extensive universal, it is impossible to reach The requirement of all standing is monitored to safe city.Common high definition monitoring camera identifies that moving vehicle car plate relies primarily on Chang Liang night Light source light filling, but vehicle strong illumination cannot be suppressed, solving picture conditions of streaking, discrimination is extremely low.Tradition light compensation method uses , all there is power consumption big in Halogen lamp LED (more than power 500W), LED white light (more than power 80W), it is impossible to suppression vehicle high light, Cannot solve moving vehicle picture conditions of streaking, Car license recognition rate is low.Halogen lamp light color is unfavorable to Car license recognition, discrimination Being only capable of reaching 30%, car plate definition is the highest, and service life is short, and power consumption is high, and caloric value is big, starts moment to monitoring system System impact is big, easily causes equipment failure rate and raises.Power 80W above LED white light is favourable to Car license recognition, but LED light Concentrating, skewness, light beam mid portion is brighter, substantially shades in both sides, can only identify light beam brighter position car plate, it is impossible to cover Cover whole road surface, it is impossible to suppression vehicle high light, it is impossible to solve moving vehicle picture conditions of streaking, discrimination is less than 50%, car plate Definition is permissible, but lamp from dazzling, easily cause traffic accident, do not meet traffic safety code requirement.

Patent 201220656533.1 discloses a kind of new road monitor camera device, including camera, on camera Connecting and have image processing apparatus, image processing apparatus connects data storage device, camera connects second camera device, Second camera device includes sensing device and light compensating apparatus, and sensing device is connected with camera with light compensating apparatus.This novel road Road monitor camera device, it is possible to increase shooting precision and shooting picture quality.

There is energy consumption height in the monitor camera device of prior art, the problems such as conditions of streaking easily occur in poor stability, picture, How to use a kind of monitor camera device and method night, both can suppress vehicle strong illumination, moving vehicle can be identified again Car plate, is the difficult problem in monitoring trade, does not has successful case the most so far, along with the intelligent good application of high-definition monitoring, Social demand is more urgent.

Utility model content

The purpose of this utility model is to provide a kind of monitor camera device of vehicle license plate in identification motion at night, carries High car license plate recognition rate, reaches the license plate intelligently retrieval requirement to image definition, reduces monitor camera device light compensating lamp Power, driver safety can also be protected while energy-conserving and environment-protective to drive.

The technical solution of the utility model is:

Monitor camera device, including monitoring camera and the LED light supplement lamp installed in the same direction with monitoring camera, LED light filling Lamp includes procapsid, back casing, is arranged on the circuit control module within back casing and is arranged on the LED within procapsid, The front end of procapsid is provided with reflector and optical transmission window, and the rear wall of procapsid is connected with the antetheca of back casing, and circuit controls mould Block is connected with LED, and described optical transmission window matches with the outlet of reflector setting, and described optical transmission window is provided with convex lens Mirror, the power of described LED is 5-50W, and the rear wall of back casing is provided with fin.

The LED light supplement lamp of the utility model monitor camera device uses the convex lens matched with optical transmission window, convex lens Match with reflector to concentrate the light dissipated emitted by LDE lamp and become parallel rays, make the light in range of exposures divide Cloth is uniform, and brightness is consistent.The present utility model people finds through numerous studies, LED and the convex lens using power to be 5-50W Mirror combination can either meet the requirement of number plate of vehicle identification, again it can be avoided that light is too strong, causes picture conditions of streaking.And this The source light that the LED light supplement lamp of utility model monitor camera device is provided is soft, driver in driving procedure, driver Consistent with the light luminance that LED distance does not exists together, driver's sight line will not be affected due to light change, cause security incident. Circuit control module during using can persistent fever, temperature too high service life that can affect whole LED, this practicality Novel LED and circuit control module are divided among procapsid and back casing, it is to avoid circuit control module dispels the heat to LED The impact of lamp, meanwhile, is provided with fin on the rear wall of back casing, improves the radiating effect of back casing.

Preferably, the power of described LED is 10-30W.

It is furthermore preferred that the power of described LED is 20W.

The rear wall of described back casing is provided with multiple fin uniformly at intervals.

Multiple fin it is provided with uniformly at intervals on the sidewall of described back casing.

The sidewall of back casing also is provided with fin, further increases the radiating effect of circuit control module.

Described back casing is cuboid, and the rear wall of described back casing is rectangle, and circuit control module presses back casing rear wall Diagonal is pasted onto on the rear wall of back casing.

On the one hand, circuit control module is arranged on the rear wall of back casing, the distance between circuit control module and LED Farthest, the impact on LED of heat that circuit control module distributes is decreased.On the other hand, circuit control module presses diagonal Direction be pasted onto on the rear wall of back casing, make the distance between each sidewall of circuit control module and back casing different, along with electricity The heat radiation of road control module, the heat radiation to back casing sidewall is the most different, the sky of one end sidewall that distance circuit control module is near Temperature is high, density is little, and the remote one end sidewall air themperature of distance circuit control module is low, density big, local air density Time uneven, air will accelerate the air of back casing sidewall surfaces from the low side of temperature as the side flowing that temperature is high Flowing, further increases radiating effect.

Described optical transmission window is circular, and described convex lens are diameter planoconvex spotlight identical with optical transmission window, and described plano-convex is saturating The plane of mirror is that light injects face, and the convex surface of described planoconvex spotlight is light outgoing plane, the horizontal edge of described planoconvex spotlight with The madial wall of optical transmission window is connected.

The utility model uses the interphase interaction of planoconvex spotlight, planoconvex spotlight and reflector, light LED sent Localization effects is good, and in the region that LED light supplement lamp is irradiated to, light is evenly distributed, and further increases the effect that light is concentrated.

The convex surface of described convex lens is hemisphere face or half ellipsoidal surface, and described convex lens also include the cylinder perpendicular with plane Shape side and the ring surface with plane parallel, one end of cylindrical sides is adjacent with plane, the other end of cylindrical sides with The cylindrical of ring surface is connected, and the inner circle of described ring surface is connected with convex surface, and described cylindrical sides is interior with optical transmission window Sidewall is connected.

Cylindrical sides and ring surface and the plane of convex lens constitute one be looped around bottom convex lens have certain The cylinder of height.This cylinder not only facilitates the installation of convex lens, makes the connection between convex lens and optical transmission window more firm Gu, yet further enhances the light collecting effect of convex lens.Just having the convex lens of routine, some light may be at the edge of convex lens Directly injection, does not has light collecting effect, and is provided with a cylinder being integrally machined with convex lens in the bottom of convex lens, portion Point it is mapped to the light of meniscus edge, through cylindrical side wall and the repeatedly refraction of ring surface and reflection, is returned to reflector In, through the reflection of reflector, again penetrate from other parts of convex lens.

Described ring surface inner circle radius is the 80-96% of ring surface exradius.

The utility model researcher finds through great many of experiments, and ring surface inner circle radius is the 80-96% of exradius Time, light collecting effect is best, can either directly penetrate from the edge of convex lens by preventing portion light splitter, again it can be avoided that ring surface inner circle And the distance between cylindrical is excessive, light is directed through ring surface injection.

The 1/2-1/3 that distance is planoconvex spotlight focal length between described convex lens plane and LED.

Described LED is regular polygon or circle, and the center of described LED is on the axis of convex lens.

The limit number of described regular polygon is more than or equal to 4, the drift angle of described regular polygon and the ring surface cylindrical of convex lens On the same taper seat with concave lens focus as summit.

So can be further ensured that by the light of convex lens be directional light, and uniform light is soft in irradiation area.

At the bottom of described reflector includes glass and wall of cup, being a circular flat at the bottom of described cup, wall of cup is a frustum of a cone sidewall, at the bottom of cup Being connected with smooth excessiveness between wall of cup small end, the outlet of reflector is the big end of wall of cup, and the middle part at the bottom of cup is provided with matches with LED Hole, the outside diameter of described wall of cup is identical with the ring surface outside diameter of convex lens.

The light of LED injection reflects, finally except directly through the multiple reflections of reflective wall of cup and the repeatedly refraction of convex lens Connecting outside the light of convex lens injection, other major part light enter in convex lens after the reflection of reflector base plane. Reflector interacts with convex lens and further increases the effect that light is concentrated.LED is made also to be able under relatively low power Reach clearly to identify the effect of number plate of vehicle.

The front end of described procapsid is additionally provided with shadow shield, and shadow shield is connected with procapsid, and shadow shield is provided with light inlet window Mouthful.

The light being provided for guarantee LED injection of shadow shield is all through convex lens.

The utility model has the advantage that with good effect:

1, LED power is low, energy-conserving and environment-protective；

2, number plate of vehicle identification is clear, and discrimination has reached more than 97%；

3, the light in range of exposures is evenly distributed, and brightness is consistent, does not affect driver's sight line, and security is high；

4, LED is affected little by circuit control module heat radiation, and service life is long；

5, avoid automobile front lamp direct irradiation monitoring camera, cause picture conditions of streaking.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model

Fig. 2 is the utility model LED light supplement lamp structural representation

Fig. 3 is the utility model back casing structural representation

Fig. 4 is the side view of the utility model reflector

Fig. 5 is the top view of the utility model reflector

Fig. 6 is the side view of the utility model convex lens

Fig. 7 is the top view of the utility model convex lens

In figure:

11, procapsid 12, back casing 2, circuit control module 3, LED

4, electric wire 5, reflector 6, optical transmission window 7, convex lens

8, at the bottom of shadow shield 121, fin 51, cup 52, wall of cup

521, wall of cup small end 522, the big end of wall of cup 71, plane 72, convex surface

73, cylindrical sides 74, ring surface 741, ring surface inner circle 742, ring surface cylindrical

I, LED light supplement lamp II, monitoring crossbeam III, monitoring camera

Detailed description of the invention

As it is shown in figure 1, the utility model monitor camera device, including monitoring camera III and with monitoring camera III in the same direction The LED light supplement lamp I installed, monitoring camera III and LED light supplement lamp I are arranged on monitoring crossbeam II.The utility model monitoring is taken the photograph When being applied to road monitoring shooting as device, in preferably monitoring camera III and LED light supplement lamp I being arranged on above road Between position, the mounting distance between monitoring camera III and LED light supplement lamp I is 0.5-1m.

Monitoring camera III can use common high-definition monitoring camera commonly used in the prior art.As in figure 2 it is shown, LED mends Light modulation I, including procapsid 11 and back casing 12, the rear wall of procapsid 12 is connected with the antetheca of back casing 12, at procapsid 11 Inside be provided with the LED 3 that power is 5-50W, be provided with circuit control module 2, circuit control module 2 in the inside of back casing 12 Being connected by electric wire 4 with LED 3, be provided with reflector 5 and optical transmission window 6 in the front end of procapsid 11, optical transmission window 6 is with anti- The outlet of light cup 5 matches setting, is provided with convex lens 7, is provided with fin on the rear wall of back casing 12 on optical transmission window 6 121.LED 3 and circuit control module 2 are separately positioned in procapsid 11 and back casing 12, and at the rear wall of back casing 12 It is provided with fin 121 and improves the radiating effect of circuit control module 2, it is to avoid circuit control module 2 long-term heat release is to LED The service life of lamp 3 impacts, and improves the service life of whole LED light supplement lamp I.

As it is shown on figure 3, the rear wall of back casing 12 is provided with multiple fin 121 uniformly at intervals.

Further, the sidewall of back casing 12 can also be provided with multiple fin 121 uniformly at intervals.

Back casing 12 is cuboid, and the rear wall of back casing 12 is rectangle, and circuit control module 2 presses back casing 12 rear wall pair The direction of linea angulata is pasted onto on the rear wall of back casing 12.On the one hand, circuit control module 2 is arranged on the rear wall of back casing 12, Distance between circuit control module 2 and LED 3 is farthest, decreases heat that circuit control module 2 the distributes shadow to LED 3 Ring.On the other hand, circuit control module 2 is pasted onto on the rear wall of back casing 12 by cornerwise direction, makes circuit control module 2 Different from the distance between each sidewall of back casing 12, along with the heat radiation of circuit control module 2, the heat radiation to back casing 12 sidewall Also different, the air themperature of one end sidewall that distance circuit control module 2 is near is high, density is little, and distance circuit control module 2 is remote One end sidewall air themperature is low, density big, during local air Density inhomogeneity, air will be from the low side of temperature as temperature High side flowing, accelerates the air flowing of back casing 12 sidewall surfaces, further increases radiating effect.

As shown in Figure 6, Figure 7, convex lens 7 can be diameter and the identical planoconvex spotlight of optical transmission window 6.The plane of planoconvex spotlight 71 inject face for light, and the convex surface 72 of planoconvex spotlight is light outgoing plane, and the horizontal edge of planoconvex spotlight is interior with optical transmission window 6 Sidewall is connected.The convex surface 72 of planoconvex spotlight can be hemisphere face, it is also possible to for half ellipsoidal surface.

Can be provided with a lighttight shadow shield 8 in the front end of procapsid 11, shadow shield 8 is connected with procapsid 11, Be provided with a circular optical transmission window 6 at the middle part of shadow shield 8, the edge of convex lens 7 is connected with the madial wall of optical transmission window 6 Connect, convex lens 7 are fixedly mounted on optical transmission window 6.Shadow shield 8 and convex lens 7 can also be integrally machined shaping by glass, It is covered with photomask in the side within shadow shield 8 housing 1.

Convex lens 7 can also include the cylindrical sides 73 perpendicular with plane 71 and the ring surface paralleled with plane 71 74, one end of cylindrical sides 73 is adjacent with plane 71, and the other end of cylindrical sides 73 is connected with ring surface cylindrical 742, Ring surface inner circle 741 is connected with convex surface 72, and cylindrical sides 73 is connected with the madial wall of optical transmission window 6.Also it is equivalent to Being provided with a cylinder bottom the planoconvex spotlight of hemispherical or semielliptical shape, cylindrical being integrally machined with planoconvex spotlight forms. The light that part can be penetrated by cylindrical sides 73 and ring surface 74 from planoconvex spotlight edge reflects through multiple reflections, to reflective On cup, finally penetrate from the middle part of convex lens 7.Preferably, the radius of ring surface inner circle 741 is ring surface cylindrical 742 radius 80-96%.

The 1/2-1/3 that distance is planoconvex spotlight focal length between convex lens 7 plane 71 and LED 3.LED 3 is the most polygon Shape or circle, the center of LED 3 is on the axis of convex lens 7.

Preferably, LED 3 is regular polygon, and the limit number of regular polygon is more than or equal to 4, the drift angle of described regular polygon With the ring surface cylindrical 742 of convex lens 7 on the same taper seat with convex lens 7 focus as summit.

As shown in Figure 4, Figure 5, reflector 5 include glass at the bottom of 51 and wall of cup 52, at the bottom of cup, 51 is a circular flat, and wall of cup 52 is one Frustum of a cone sidewall, at the bottom of cup, between 51 with wall of cup small end 521, smooth excessiveness is connected, and the outlet of reflector 5 is the big end of wall of cup 522, cup The middle part at the end 51 is provided with the hole matched with LED 3.Wall of cup big end 522 diameter is identical with ring surface cylindrical 742 diameter.

The course of work of this example: monitoring camera III and LED light supplement lamp I are arranged on monitoring crossbeam II, adjust prison The direction of control camera III and the direction of illumination of LED light supplement lamp I, make intense irradiation region and the monitoring camera of LED light supplement lamp I III shoot clear area overlap, it is preferred that the shooting of monitoring camera III clear area and monitoring crossbeam II between away from From for 10-30m；The shutter parameter of regulation monitoring camera is 1/100-1/300；Daytime, LED light supplement lamp I closed post debugging once Monitoring camera III, evening, LED light supplement lamp I debugged a monitoring camera III after opening again, made shooting picture clear.Light from In LED 3 after injection, through reflector 5 and the multiple reflections of convex lens 7 or refraction, the light that LED 3 sends is gathered into parallel Light beam, by adjust monitoring camera III shutter suppression automobile front lamp strong illumination, make the number plate of vehicle in monitored picture High-visible.

Above an embodiment of the present utility model is described in detail, but described content is the most of the present utility model Preferred embodiment, it is impossible to be considered for limiting practical range of the present utility model.All made according to the utility model application range Impartial change and improvement etc., within all should still belonging to patent covering scope of the present utility model.

Claims (10)

1. monitor camera device, including monitoring camera and the LED light supplement lamp installed in the same direction with monitoring camera, LED light supplement lamp Including procapsid, back casing, it is arranged on the circuit control module within back casing and is arranged on the LED within procapsid, front The front end of housing is provided with reflector and optical transmission window, and the rear wall of procapsid is connected with the antetheca of back casing, circuit control module It is connected with LED, it is characterised in that: described optical transmission window matches with the outlet of reflector setting, on described optical transmission window Being provided with convex lens, the power of described LED is 5-50W, and the rear wall of back casing is provided with fin.

Monitor camera device the most according to claim 1, it is characterised in that: the rear wall of described back casing is provided with uniformly at intervals Multiple fin.

Monitor camera device the most according to claim 2, it is characterised in that: set uniformly at intervals on the sidewall of described back casing There is multiple fin.

Monitor camera device the most according to claim 2, it is characterised in that: described back casing is cuboid, described back cover The rear wall of body is rectangle, and circuit control module is pasted onto on the rear wall of back casing by back casing rear wall diagonal.

5. according to the monitor camera device described in claim 1-4 any one, it is characterised in that: described optical transmission window is circle Shape, described convex lens are diameter planoconvex spotlight identical with optical transmission window, and the plane of described planoconvex spotlight is that light injects face, plano-convex The convex surface of lens is light outgoing plane, and the horizontal edge of described planoconvex spotlight is connected with the madial wall of optical transmission window.

Monitor camera device the most according to claim 5, it is characterised in that: the convex surface of described convex lens is hemisphere face or half Ellipsoid, described convex lens also include the cylindrical sides perpendicular with plane and the ring surface with plane parallel, cylindrical One end of side is adjacent with plane, and the other end of cylindrical sides is connected with ring surface cylindrical, and described ring surface inner circle is with convex Face is connected, and described cylindrical sides is connected with the madial wall of optical transmission window.

Monitor camera device the most according to claim 6, it is characterised in that: described ring surface inner circle radius is outside ring surface The 80-96% of radius of circle.

Monitor camera device the most according to claim 7, it is characterised in that: between described convex lens plane and LED Distance is the 1/2-1/3 of planoconvex spotlight focal length.

Monitor camera device the most according to claim 8, it is characterised in that: described LED is regular polygon or circle, institute State the center of LED on the axis of convex lens.

Monitor camera device the most according to claim 9, it is characterised in that: at the bottom of described reflector includes glass and wall of cup, institute Being a circular flat at the bottom of stating glass, wall of cup is a frustum of a cone sidewall, is connected with smooth excessiveness between wall of cup small end at the bottom of cup, reflector Outlet is the big end of wall of cup, and the middle part at the bottom of cup is provided with the annular of the hole matched with LED, described wall of cup outside diameter and convex lens Face outside diameter is identical.