阅读说明：本技术 一种补光灯模组及监控设备 (Light filling lamp module and supervisory equipment ) 是由 李继猛 夏侯宋南 徐银辉 丁乃英 于 2021-09-26 设计创作，主要内容包括：本发明涉及安防监控技术领域,尤其涉及一种补光灯模组及监控设备。该补光灯模组包括：散热器、支架、灯板、光源以及准直透镜；灯板和支架固定于散热器上,光源固定于灯板上,准直透镜固定于支架上；光源包括多个独立控制的发光单元,每个发光单元发出的光自准直透镜射出形成矩形光斑,多个发光单元矩阵排列以使多个矩形光斑矩阵排列组合成矩形光区域。其光源由多个独立控制的发光单元组成,能够实现动态控制亮灭和电流强度,可以动态调节覆盖单车道中的光型；在抓拍车辆时,可减少对应司机眼位的亮度值,从而减少眩光,同时可保证对车牌或其他信息的获取。(The invention relates to the technical field of security and protection monitoring, in particular to a light supplementing lamp module and monitoring equipment. This light filling lamp module includes: the LED lamp comprises a radiator, a bracket, a lamp panel, a light source and a collimating lens; the lamp panel and the support are fixed on the radiator, the light source is fixed on the lamp panel, and the collimating lens is fixed on the support; the light source comprises a plurality of independently controlled light emitting units, light emitted by each light emitting unit is emitted from the collimating lens to form rectangular light spots, and the plurality of light emitting units are arranged in a matrix manner so that the plurality of rectangular light spots are arranged and combined into a rectangular light area. The light source of the device consists of a plurality of independently controlled light-emitting units, can realize dynamic control of on-off and current intensity, and can dynamically adjust the light type covering a single lane; when the vehicle is captured, the brightness value of the corresponding driver eye position can be reduced, so that glare is reduced, and the license plate or other information can be ensured to be acquired.)

1. The utility model provides a light filling lamp module which characterized in that includes: the LED lamp comprises a radiator, a bracket, a lamp panel, a light source and a collimating lens;

the lamp panel and the support are fixed on the radiator, the light source is fixed on the lamp panel, and the collimating lens is fixed on the support;

the light source comprises a plurality of independently controlled light emitting units, light emitted by each light emitting unit is emitted from the collimating lens to form rectangular light spots, and the plurality of light emitting units are arranged in a matrix mode to enable the plurality of rectangular light spots to be combined into a rectangular light area.

2. The light supplement lamp module of claim 1, wherein the collimating lens has an entrance surface and an exit surface;

the light source is located on one side of the light inlet surface of the collimating lens, and light rays emitted by the light source enter the light inlet surface of the collimating lens at the focus of the light inlet surface of the collimating lens.

3. A fill-in light module as claimed in claim 2, wherein the fill-in light module further comprises a reflector fixed to the heat sink;

the surface of the light reflecting bowl facing the collimating lens is a concave surface, the light source is positioned at the focus of the concave surface, and the light reflecting bowl is used for reflecting and converging the light rays emitted by the light source to the focus of the light incident surface of the collimating lens.

4. The light supplement lamp module of claim 3, wherein a focal point of the concave surface coincides with a focal point of the collimating lens light incident surface.

5. The light supplement lamp module of claim 3, wherein the reflector has two focal points, and the focal point of the light incident surface of the collimating lens coincides with the focal point of the reflector near the collimating lens.

6. The light supplement lamp module of claim 2, wherein the light source emits light to the collimating lens, and the light source is located at a focus of the light incident surface of the collimating lens.

7. The light supplement lamp module of claim 1, wherein the light emitting unit is an LED lamp.

8. The light supplement lamp module as claimed in claim 1, wherein the collimating lens is clamped to the bracket.

9. The light supplement lamp module as claimed in claim 1, wherein the heat sink has a positioning post thereon, and the lamp panel and the bracket have positioning holes matching with the positioning post.

10. A monitoring device, comprising a main controller, a camera and the light supplement lamp module as claimed in any one of claims 1 to 9, wherein the main controller is in signal connection with the camera and the plurality of light emitting units respectively.

Technical Field

The invention relates to the technical field of security and protection monitoring, in particular to a light supplementing lamp module and monitoring equipment.

Background

At present, the light filling lamp often can be used in the security protection control field, and the effect of white light stroboscopic light filling lamp lies in: the white light stroboscopic light filling lamp emits light rays, the light rays irradiate on an interested object, and the object reflected light rays return to enter the lens for imaging. For example, in the field of traffic security, in order to obtain better license plate information, a white light stroboscopic light supplement lamp is often needed to supplement light; usually, the light spot angle of the light supplement lamp is fixed, and the light spot angle illuminates the automobile windshield while illuminating the license plate, so that the light spot angle illuminates the eyes of a driver, and if the intensity value is too large, the included angle between the optical axis of the lamp and the eyes of a person is small, glare is very easy to generate.

Disclosure of Invention

The embodiment of the invention provides a light supplementing lamp module and monitoring equipment, which can dynamically control the opening and closing of each light emitting unit and the light intensity, so that the glare to a driver is reduced.

In a first aspect, an embodiment of the present invention provides a light supplement lamp module, including: the LED lamp comprises a radiator, a bracket, a lamp panel, a light source and a collimating lens;

the lamp panel and the support are fixed on the radiator, the light source is fixed on the lamp panel, and the collimating lens is fixed on the support;

the light source comprises a plurality of independently controlled light emitting units, light emitted by each light emitting unit is emitted from the collimating lens to form rectangular light spots, and the plurality of light emitting units are arranged in a matrix mode to enable the plurality of rectangular light spots to be combined into a rectangular light area.

In the technical scheme, the light source consists of a plurality of independently controlled light-emitting units, the dynamic control of on-off and current intensity can be realized, and the light type in a single lane can be dynamically adjusted; when the vehicle is captured, the brightness value of the corresponding driver eye position can be reduced, so that glare is reduced, and the license plate or other information can be ensured to be acquired.

Optionally, the collimating lens has a light incident surface and a light emergent surface;

the light source is located on one side of the light inlet surface of the collimating lens, and light rays emitted by the light source enter the light inlet surface of the collimating lens at the focus of the light inlet surface of the collimating lens.

Optionally, the light supplement lamp module further comprises a reflector fixed to the heat sink;

the surface of the light reflecting bowl facing the collimating lens is a concave surface, the light source is positioned at the focus of the concave surface, and the light reflecting bowl is used for reflecting and converging the light rays emitted by the light source to the focus of the light incident surface of the collimating lens.

Optionally, a focal point of the concave surface coincides with a focal point of the collimating lens light incident surface.

Optionally, the light reflecting bowl has a bifocal point, and the focal point of the light incident surface of the collimating lens coincides with the focal point of the light reflecting bowl close to the collimating lens.

Optionally, the light source emits light to the collimating lens, and the light source is located at a focus of the light incident surface of the collimating lens.

Optionally, the light emitting unit is an LED lamp.

Optionally, the collimating lens is clamped to the bracket.

Optionally, a positioning column is arranged on the radiator, and the lamp panel and the support are respectively provided with positioning holes matched with the positioning column.

In a second aspect, an embodiment of the present invention further provides a monitoring device, which includes a main controller, a camera, and any one of the light supplement lamp modules provided in the foregoing technical solutions, where the main controller is in signal connection with the camera and the plurality of light emitting units, respectively. When the monitoring photographing is needed, the main controller can independently control the on-off of each light-emitting unit or adjust the brightness of each light-emitting unit, and then the monitoring photographing requirement is met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a light supplement lamp module according to an embodiment of the present invention;

fig. 2 is an exploded view of a fill-in light module according to an embodiment of the present invention;

fig. 3a and fig. 3b are schematic diagrams of an optical path of a light supplement lamp module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a light source in a light supplement lamp module according to an embodiment of the present invention;

fig. 5a is a light intensity diagram of a single light emitting unit in the fill light module according to the embodiment of the invention;

fig. 5b is a light intensity diagram of light emitted by a light source in the light supplement lamp module according to the embodiment of the invention;

fig. 6 is an exploded view of a fill-in light module according to an embodiment of the present invention;

fig. 7 is a schematic view of an optical path of a light supplement lamp module according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a light source in a light supplement lamp module according to an embodiment of the present invention;

fig. 9a to 9c are light intensity diagrams of a single light emitting unit in a light supplement lamp module according to an embodiment of the invention;

fig. 9d is a light intensity diagram of light emitted by a light source in the fill-in lamp module according to the embodiment of the invention.

Icon: 1-a radiator; 2-a lamp panel; 3-a scaffold; 4-a light source; 41-a light emitting unit; 5-a collimating lens; 6-a light reflecting bowl; 71-a positioning column; 72-locating holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, an embodiment of the invention provides a light supplement lamp module for supplementing light to a lens of a monitoring device. This light filling lamp module specifically includes heat dissipation frame, lamp plate 2, support 3, light source 4 and collimating lens 5. The lamp panel 2 and the bracket 3 are fixed on the radiator 1, the light source 4 is fixed on the lamp panel 2, and the collimating lens 5 is fixed on the bracket 3; the light source 4 comprises a plurality of independently controlled light emitting units 41, light emitted by each light emitting unit 41 is emitted from the collimating lens 5 to form a rectangular light spot, and the plurality of light emitting units 41 are arranged in a matrix to form a rectangular light area.

The number of the light emitting units 41 is multiple, each light emitting unit 41 can form a rectangular light spot through the light emitted by the collimating lens 5, and the plurality of light emitting units 41 are arranged in an array as required, so that the plurality of rectangular light spots emitted by the plurality of light emitting units 41 are arranged in a matrix to form a rectangular light area, and when the light emitting unit is applied to road monitoring, the rectangular light area can cover the width of a lane. And every luminescence unit 41 can be controlled alone and open and close and luminance control, and convenient more for meticulous control can control different luminescence units 41 and have different luminescent state when for the camera light filling, when clear acquisition required information, reduces the glare to weaken the interference of light filling lamp to driver's vision.

The collimating lens 5 has a light incident surface and a light emitting surface, the light incident surface faces the light source 4, the light emitting surface deviates from the light source 4, the light incident surface can be a plane, and the light emitting surface can be a convex surface a 1; wherein, the light incident surface of the collimating lens 5 has a focus Q1; the light source 4 is located on one side of the light incident surface of the collimating lens 5, and how the light rays emitted by the light source 4 can reach the light incident surface of the collimating lens 5 from a focus Q1 of the light incident surface is vertically emitted after passing through the collimating lens 5, so that a rectangular light region is formed.

Collimating lens 5 can be fixed on support 3 through the mode of joint, and collimating lens 5's diameter is about 35mm, and collimating lens 5's convex surface a 1's center is to deviating from about 100mm of collimating lens 5 one side distance, and whole light filling lamp module has less volume. The material of the collimating lens 5 may be selected from PC (Polycarbonate) or PMMA (Polymethyl methacrylate), but may also be other materials for making the lens, and will not be illustrated here.

An explosion picture of light filling lamp module group that fig. 2 shows, light filling lamp module group radiator 1, lamp plate 2, support 3, light source 4, collimating lens 5 and reflector 6, lamp plate 2 is fixed in radiator 1 through screw j, and support 3 and reflector 6 are then fixed to radiator 1 through screw k. In order to position the lamp panel 2, a positioning column 71 may be further disposed on the heat dissipation frame, and correspondingly, positioning holes 72 that can be matched with the positioning column 71 are respectively disposed on the lamp panel 2 and the support 3 (the positioning holes 72 on the support 3 are shielded and not shown). A protruding buckle m is arranged at one end of the bracket 3 facing the collimating lens 5, and the collimating lens 5 can be clamped and fixed on the bracket 3 through the buckle m.

The surface of the light reflecting bowl 6 facing the collimating lens 5 is a concave surface a2, the concave surface a2 has a focal point Q2, the light source 4 is located at the focal point of the concave surface a2, and the light reflecting bowl 6 is used for reflecting and converging the light rays emitted by the light source 4 to the focal point of the light incident surface of the collimating lens 5.

As shown in fig. 3a, the concave surface a2 of the reflector 6 is a part of an ellipsoid and has a focal point Q2; the concave surface a2 of the reflection bowl is equivalent to a reflection surface, the concave surface a2 is provided at the focus Q2, the light source 4 emits light to the reflection surface, the light emitted by the light source 4 is reflected by the reflection surface and then converged to the focus Q1 of the light incident surface of the collimating lens 5, and the light can be emitted from the focus Q1 to the collimating lens 5 and then refracted by the collimating lens 5 and then emitted vertically.

On the basis of the schematic light path diagram of the fill-in light module shown in fig. 3a, as shown in fig. 3b, the focal point Q2 of the concave surface a2 of the light reflecting bowl 6 may coincide with the focal point Q1 of the light incident surface of the collimating lens 5, and light may be reflected from the Q2 (also the focal point Q1) to the light reflecting bowl 6 and then reflected back to the Q2 (also the focal point Q1) by the light reflecting bowl 6, and then refracted by the collimating lens 5 and then emitted vertically. When the light reflecting bowl 6 has double focuses, the focus of the light reflecting bowl 6 close to the collimating lens can be regarded as the focus Q2, that is, the focus of the light reflecting bowl 6 close to the collimating lens coincides with the focus Q1 of the light incident surface of the collimating lens 5.

As shown in fig. 4, the light source 4 in the fill-in light module shown in fig. 2 includes four light emitting units 41, where the light emitting units 41 are specifically LED lamps, and the four light emitting units 41 are arranged in a matrix. Let A, B, C, D be the four light-emitting units 41, for example, in the orientation shown in fig. 4, a is located at the upper left corner, B is located at the upper right corner, C is located at the lower left corner, and D is located at the lower right corner. Each light-emitting unit 41 can emit light to obtain light spots with a transverse opening angle of 4 degrees and a longitudinal opening angle of 4 degrees, the four light-emitting units 41 can obtain light areas with a transverse opening angle of 8 degrees and a longitudinal opening angle of 8 degrees, the transverse opening angle of 8 degrees of the light source 4 is set to cover the width of the existing single lane transverse direction of the traffic road of 3.75 degrees, and the longitudinal opening angle of 8 degrees of the light source 4 is set to basically meet the road monitoring requirement in the length direction of the whole vehicle.

The simulation results shown in fig. 5a and 5b can be obtained by simulating the light intensity of each light emitting unit 41 of the light source 4 and the whole light intensity. Fig. 5a shows the light intensity data of one of the light emitting units 41, specifically, the light emitting unit 41B at the upper right corner is taken as an example, and fig. 5B shows the light intensity data of the whole light source 4, and it can be seen that the light spot of a single light emitting unit 41 is similar to a rectangle, and the light spot of the whole light source 4 is also similar to a rectangle. The left side in fig. 5a and 5b is a light intensity example reference, the abscissa is the degree of opening angle of the horizontal coordinate of the light source 4, the ordinate is the degree of opening angle of the vertical coordinate of the light source 4 (the horizontal and vertical directions are exemplified with reference to fig. 4), the center of the light source 4 overlaps the focus Q2, and both the abscissa and the ordinate are 0 °.

Fig. 6 shows another kind of explosion chart of light filling lamp module, and it includes that light filling lamp module dispels the heat frame, lamp plate 2, support 3, light source 4 and collimating lens 5, and screw n passes lamp plate 2 and 3 screw thread fixed connection of support from the one side that deviates from light source 4, and collimating lens 5 is in the mode joint of buckle on support 3. In order to position the lamp panel 2 and the bracket 3, a positioning column 71 (not shown here is shielded by the lamp panel 2) may be further disposed on the heat dissipation frame, and correspondingly, positioning holes 72 capable of being matched with the positioning column 71 are respectively disposed on the lamp panel 2 and the bracket 3. The light source 4 may be fixed on the side of the lamp panel 2 facing the collimating lens 5 by means of bonding or the like, and the light source 4 is located at the focus Q1 of the convex surface of the collimating lens 5. As shown in fig. 7, the light emitted from the light source 4 enters the light incident surface of the collimating lens 5, and is refracted by the collimating lens 5 and then emitted vertically.

As shown in fig. 8, the light source 4 in the fill-in light module in fig. 6 includes six light emitting units 41, where the light emitting units 41 are specifically LED lamps, and the six light emitting units 41 are arranged in a matrix. Let six lighting units 41 be A, B, C, D, E, F, for example, in the orientation shown in fig. 8, a is located at the upper left corner, B is located at the middle top, C is located at the upper right corner, D is located at the lower left corner, E is located at the middle bottom, and F is located at the lower right corner. Each light-emitting unit 41 can emit light to obtain a light spot with a transverse opening angle of 2.7 degrees and a longitudinal opening angle of 2.7 degrees, and six light-emitting units 41 can obtain a light area with a transverse opening angle of 8 degrees and a longitudinal opening angle of 5.4 degrees; the transverse opening angle of the light source 4 is set to be 8 degrees, so that the transverse width of the existing single lane of the traffic road can be covered by 3.75 degrees, and the longitudinal opening angle of the light source 4 is set to be 5.4 degrees, so that the whole length of the existing conventional vehicle can be covered; and the longitudinal field angle of the light source 4 is small, so that glare can not be generated to a driver of a vehicle which is not captured and is slightly far away.

The simulation results shown in fig. 9a to 9d can be obtained by simulating the light intensity of each light emitting unit 41 of the light source 4 and the whole light intensity. Fig. 9a to 9c respectively show the light intensity data of the light emitted by one of the light emitting units 41, and fig. 9d shows the light intensity data of the light emitted by the entire light source 4. Specifically, fig. 9a shows light intensity data of light emitted by the light emitting unit 41D, fig. 9b shows light intensity data of light emitted by the light emitting unit 41E, and fig. 9D shows light intensity data of light emitted by the light emitting unit 41F. It can be seen that the light spot of the single light-emitting unit 41 is approximately rectangular, and the light spot of the entire light source 4 is also approximately rectangular. The left side of fig. 9a to 9d are light intensity example references, the abscissa is the degree of opening angle of the horizontal coordinate of the light source 4, the ordinate is the degree of opening angle of the vertical coordinate of the light source 4 (the horizontal and vertical directions are exemplified with reference to fig. 7), the center of the light source 4 overlaps the focus Q1, and the center of the light source 4 is 0 ° in both abscissa and ordinate.

It should be understood that the specific structures of the two light sources 4 shown in fig. 4 and 7 are only examples, and other structures and arrangements of the plurality of light emitting units 41 of the light source 4 are also possible, and it is necessary to ensure that the light source 4 can finally form a light supplement for monitoring and photographing, which meets the light supplement requirement and does not generate glare to the driver.

To sum up, the light filling lamp module that this application embodiment provided, a plurality of luminescence unit 41 can the independent control open and close and luminance, when using road monitoring, can correspond and close or weaken the luminescence unit 41 corresponding to driver's eyes position, realize dynamic control, can reduce the glare, can also satisfy the light filling demand of monitoring the shooting simultaneously, guarantee the accurate acquisition of information such as license plate and automobile body.

Based on above-mentioned light filling lamp module, this application embodiment still provides a supervisory equipment, and this supervisory equipment includes master controller, camera and as above any kind of light filling lamp module that embodiment provided, this light filling lamp module is used for shooing for the camera and carries out the light filling, specifically, the master controller respectively with camera and a plurality of luminescence unit 41 signal connection. When monitoring photographing is needed, the main controller can independently control the on-off of each light-emitting unit 41 or adjust the brightness of the light-emitting units, and therefore the monitoring photographing requirement is met.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present application and their equivalents, the present invention is also intended to include such modifications and variations.