CN203054423U - Infrared monitoring illumination device and camera - Google Patents
Infrared monitoring illumination device and camera Download PDFInfo
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- CN203054423U CN203054423U CN2013200506654U CN201320050665U CN203054423U CN 203054423 U CN203054423 U CN 203054423U CN 2013200506654 U CN2013200506654 U CN 2013200506654U CN 201320050665 U CN201320050665 U CN 201320050665U CN 203054423 U CN203054423 U CN 203054423U
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- infrared
- lens
- illumination device
- light
- monitoring illumination
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Abstract
The utility model discloses an infrared monitoring illumination device and a camera. The camera is provided with a least one infrared monitoring illumination device. The infrared monitoring illumination device comprises an infrared light source, a light receiving lens, a lens fixed seat, and a light reflecting cup, wherein the light receiving lens and the infrared light source are arranged at a certain interval, a first part of light sent by the infrared light source directly reaches the light receiving lens, the lens fixed seat is used for fixing the light receiving lens, the light reflecting cup is arranged between the infrared light source and the light receiving lens, and a second part of the light sent by the infrared light source reaches the light receiving lens after being reflected by the light reflecting cup. At least part of light sent by the infrared light source does not directly reach the light receiving lens and is then reflected to the light receiving lens by the light reflecting cup. Therefore the infrared monitoring illumination device is characterized in that a combination of a single lens and a light reflecting cup is adopted, an effective light extracting rate of the light source can be improved to the maximum extent, and the limitation that light extracting efficiency of a conventional lens is small can be overcome.
Description
Technical field
The utility model relates to the active infra-red imaging field, particularly relates to a kind of infrared monitoring illumination device and has the video camera of described infrared monitoring illumination device.
Background technology
Safety monitoring equipment is when implementing night monitoring, and the general using infrared LED comes to provide illumination to shooting (monitoring) zone, in recent years because the consideration of small product size outward appearance and the development of technology trend towards using Infrared High-Power LED light filling.But the initial beam angle of Infrared High-Power LED is bigger, so all need fit lens to receive the purpose that light reaches effective lighting.
Main lens are received the light scheme in the prior art two kinds.First kind of scheme is to use 2 pairs of light sources 1 of cup lens to receive light, to reach the required rising angle of infrared illuminator as shown in Figure 1; Second kind of scheme is to use 3 pairs of light sources 1 of plano-convex lens to receive light as shown in Figure 2, reaches the effect that changes rising angle by the distance that changes between lens and the light source.
These two kinds of schemes can realize infrared LED greatly initially gone out the less rising angle that wide-angle is adjusted to infrared illuminator to a certain extent.But also all there is certain problem.
When if first kind of scheme accomplished low-angle, the efficient of cup lens 2 is lower on the one hand, and required on the other hand volume is bigger, and can have a design limit angle for coordinating efficient and volume, thereby is difficult to realize required lighting device rising angle.
Also there is similar problem in second kind of scheme, in the time will reaching little rising angle, light source 1 needs distant apart from the distance of plano-convex lens 3, but because the diameter dimension of plano-convex lens 3 restriction, cause the initial beam angle of light source 1 itself a lot of greatly than the angle that is formed by light source and lens sizes, also just cause very most light source to waste (wasting regional 5 referring to the light source among Fig. 2).
Thereby wish to have a kind of novel infrared monitoring illumination device.
The utility model content
In the utility model, integrated camera refers to the video camera for safety monitoring, especially with the video camera of zoom function.Reflector refers to a kind of control photo structure, and it passes through reflection of incident light, thereby changes the light direction of propagation.
The purpose of this utility model is to provide a kind of novel infrared monitoring illumination device to overcome or alleviates above-mentioned defective of the prior art at least.
For achieving the above object, the utility model provides a kind of infrared monitoring illumination device, and described infrared monitoring illumination device comprises: infrared light supply; Receive optical lens, its with described infrared light supply at interval certain distance arrange, the first of the light that described infrared light supply sends is the described receipts optical lens of arrival directly; The lens holder is used for fixing described receipts optical lens; And reflector, it is arranged between described infrared light supply and the described receipts optical lens, and the second portion of the light that described infrared light supply sends arrives described receipts optical lens through described reflector reflection back.
Infrared light supply can be divided into two parts bright dipping, and a part directly arrives plano-convex lens, and a part arrives plano-convex lens by reflecting cup structure reflection back in addition, finally realizes efficient bright dipping.Wherein, in described reflector the light that described infrared light supply is sent not direct irradiation at least part of light on the described receipts optical lens reflex to described receipts optical lens.Thereby the utility model adopts the combination of simple lens and reflecting cup structure, can maximize promoting the effective light emission rate of light source, can break through the low limitation of lens low-angle light extraction efficiency in the past.
Preferably, described receipts optical lens is plano-convex lens, and the tabular surface of described plano-convex lens is in the face of described infrared light supply, and described infrared light supply is positioned on the optical axis of described plano-convex lens.Thereby realize high efficiency infrared light filling with simple relatively structure and lower cost.
Preferably, described reflector is formed by the recess on the described lens holder.Thereby can reduce number of components and parts, be convenient to handling of goods and materials, reduce installation step.The structure of reflector can be used for to the infrared lamp good heat radiating simultaneously, thereby guarantees the electro-optical efficiency of light source, guarantees light source life.
Advantageously, be coated with reflecting coating on the described recess on the described lens holder.Thereby realize more high efficiency reflective.
Further preferably, described reflector is formed by the reflector member that is independent of on the described lens holder.Thereby lens holder and reflector member are separate members, and when needing to change one of them because of breakage, another can continue to use.
Preferably, described infrared light supply is infrared LED.Thereby provide infrared monitoring illumination device with lower cost.
The utility model also provides a kind of video camera, and described video camera comprises aforesaid infrared monitoring illumination device.
Preferably, the quantity of described infrared monitoring illumination device is at least two, and each described infrared monitoring illumination device has different rising angles.Thereby, can mate integrated camera change angle doubly better and change.For example, the quantity of described infrared monitoring illumination device is six.
Description of drawings
Fig. 1 is the structural representation of a kind of infrared monitoring illumination device of the prior art.
Fig. 2 is the structural representation of the infrared monitoring illumination device of another kind of the prior art.
Fig. 3 is the structural representation according to the infrared monitoring illumination device of the utility model first embodiment.
Fig. 4 is the structural representation according to the infrared monitoring illumination device of the utility model second embodiment.
Fig. 5 is the structural representation according to the video camera of the utility model one embodiment.
Reference numeral:
| 1 | |
6 | |
| 2 | The |
7 | The lens holder |
| 3 | Plano-convex lens | 8 | Plano- |
| 4 | The |
9 | Infrared |
| 5 | Light source waste zone | ? | ? |
Embodiment
For purpose, technical scheme and advantage that the utility model is implemented is clearer, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is carried out more detailed description.In the accompanying drawings, identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, rather than whole embodiment.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model; those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, and the scope that all belongs to the utility model protection is elaborated to embodiment of the present utility model below in conjunction with accompanying drawing.
In description of the present utility model; it will be appreciated that; term " " center "; " vertically "; " laterally "; " preceding "; " back "; " left side "; " right side "; " vertically "; " level "; " top "; " end " " interior "; close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation; only be the utility model and simplification description for convenience of description; rather than device or the element of indication or hint indication must have specific orientation; with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Comprise infrared light supply and receive optical lens according to infrared monitoring illumination device of the present utility model.Infrared light supply can be the infrared LED shown in Fig. 3 for example, but is not limited thereto, but can be any suitable fixedly infrared light supply.Receiving optical lens can be plano-convex lens shown in Fig. 3 for example, but is not limited thereto, but can be any receipts optical lens, and for example the cup lens also are fine.Receive the certain distance in optical lens and described infrared light supply interval and arrange, the first of the light that described infrared light supply sends directly arrives described receipts optical lens; The lens holder is used for fixing described receipts optical lens; And reflector, it is arranged between described infrared light supply and the described receipts optical lens, and the second portion of the light that described infrared light supply sends arrives described receipts optical lens through described reflector reflection back.
Thereby infrared light supply is divided into two parts bright dipping, and a part directly arrives plano-convex lens, and a part arrives plano-convex lens by reflecting cup structure reflection back in addition, finally realizes efficient bright dipping.Wherein, in described reflector the light that described infrared light supply is sent not direct irradiation at least part of light on the described receipts optical lens reflex to described receipts optical lens.Thereby the utility model adopts the combination of simple lens and reflecting cup structure, can maximize promoting the effective light emission rate of light source, can break through the low limitation of lens low-angle light extraction efficiency in the past.Certainly, also may there be the light of third part both directly not arrive plano-convex lens, also do not arrive plano-convex lens by reflecting cup structure reflection back, that is to say, may also have the light of part waste.
Fig. 3 is the structural representation according to the infrared monitoring illumination device of the utility model first embodiment.As previously mentioned, in Fig. 3, infrared light supply is, receiving optical lens is plano-convex lens 8, and the tabular surface of described plano-convex lens 8 is in the face of described infrared light supply (infrared LED 1), and described infrared light supply is positioned on the optical axis of described plano-convex lens.Thereby realize high efficiency infrared light filling with simple relatively structure and lower cost.
In Fig. 3, described reflector 6 is formed by the recess on the lens holder 7.Thereby can reduce number of components and parts, be convenient to handling of goods and materials, reduce installation step.The structure of reflector can be used for to the infrared lamp good heat radiating simultaneously, thereby guarantees the electro-optical efficiency of light source, guarantees light source life.
Advantageously, be coated with reflecting coating on the described recess on the described lens holder.Thereby realize more high efficiency reflective.
In a not shown embodiment, described reflector is formed by the reflector member that is independent of on the described lens holder.Thereby lens holder and reflector member are separate members, and when needing to change one of them because of breakage, another can continue to use.
Fig. 4 is the structural representation according to the infrared monitoring illumination device of the utility model second embodiment.The structural similarity of the infrared monitoring illumination device of the structure of the infrared monitoring illumination device of second embodiment and first embodiment, the key distinction is that infrared monitoring illumination device shown in Figure 3 has less rising angle, and infrared monitoring illumination device shown in Figure 4 has bigger rising angle.
Fig. 5 is the structural representation according to the video camera of the utility model one embodiment.Video camera shown in Figure 5 comprises six infrared monitoring illumination devices 9.Thereby, can mate integrated camera change angle doubly better and change.Although video camera shown in Figure 5 comprises six infrared monitoring illumination devices 9, the utility model is not limited thereto, but can comprise an infrared monitoring illumination device, two infrared monitoring illumination devices, or more infrared monitoring illumination device.Comprising under the situation of two or more infrared monitoring illumination devices that advantageously, each described infrared monitoring illumination device has different rising angles, changing to mate video camera change angle doubly better.
In other words, infrared monitoring illumination device of the present utility model can be made of following several parts: lens holder, lens, reflecting cup structure, light source.The specific implementation structure can be: lens are fixed on the lens holder, and light source also is fixed on the lens holder by power panel, self makes reflecting cup structure above the lens holder, and reflecting cup structure perhaps is set.
The specific design step of infrared monitoring illumination device of the present utility model can be as follows: the distance by light source and lens is determined rising angle; Then as required, design the structure of reflector, reach the purpose of matched well.The effect of reflector: according to beam angle, the distance between light source and the lens designs, and reaches light source is all throwed away.Reflector can adopt in the mode that shell tangent plane coating or the relevant independent reflecting cup structure of embedding are installed.
It is to be noted at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. an infrared monitoring illumination device is characterized in that, comprising:
Infrared light supply;
Receive optical lens, its with described infrared light supply at interval certain distance arrange, the first of the light that described infrared light supply sends is the described receipts optical lens of arrival directly;
The lens holder is used for fixing described receipts optical lens; And
Reflector, it is arranged between described infrared light supply and the described receipts optical lens, and the second portion of the light that described infrared light supply sends arrives described receipts optical lens through described reflector reflection back.
2. infrared monitoring illumination device as claimed in claim 1 is characterized in that, described receipts optical lens is plano-convex lens, and the tabular surface of described plano-convex lens is in the face of described infrared light supply, and described infrared light supply is positioned on the optical axis of described plano-convex lens.
3. infrared monitoring illumination device as claimed in claim 2 is characterized in that, described reflector is formed by the recess on the described lens holder.
4. infrared monitoring illumination device as claimed in claim 3 is characterized in that, is coated with reflecting coating on the described recess on the described lens holder.
5. infrared monitoring illumination device as claimed in claim 2 is characterized in that, described reflector is formed by the reflector member that is independent of on the described lens holder.
6. as each described infrared monitoring illumination device among the claim 1-5, it is characterized in that described infrared light supply is infrared LED.
7. a video camera is characterized in that, comprises as each described infrared monitoring illumination device among the claim 1-6.
8. video camera as claimed in claim 7 is characterized in that, the quantity of described infrared monitoring illumination device is at least two, and described at least two infrared monitoring illumination devices have different rising angles separately.
9. video camera as claimed in claim 8 is characterized in that, the quantity of described at least two infrared monitoring illumination devices is six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200506654U CN203054423U (en) | 2013-01-28 | 2013-01-28 | Infrared monitoring illumination device and camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200506654U CN203054423U (en) | 2013-01-28 | 2013-01-28 | Infrared monitoring illumination device and camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203054423U true CN203054423U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200506654U Expired - Fee Related CN203054423U (en) | 2013-01-28 | 2013-01-28 | Infrared monitoring illumination device and camera |
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| CN (1) | CN203054423U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481991A (en) * | 2015-09-01 | 2017-03-08 | 北醒（北京）光子科技有限公司 | A kind of adjustable infrared light supply of irradiating angle |
| CN106896626A (en) * | 2015-12-21 | 2017-06-27 | 威海市公安局文登分局 | LED light supplement lamp |
| CN106899786A (en) * | 2015-12-21 | 2017-06-27 | 威海市公安局文登分局 | Monitor camera device and its application method |
| CN109724054A (en) * | 2017-10-31 | 2019-05-07 | 商洛市虎之翼科技有限公司 | A kind of far and near light structures and means of illumination of focusing |
-
2013
- 2013-01-28 CN CN2013200506654U patent/CN203054423U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481991A (en) * | 2015-09-01 | 2017-03-08 | 北醒（北京）光子科技有限公司 | A kind of adjustable infrared light supply of irradiating angle |
| CN106896626A (en) * | 2015-12-21 | 2017-06-27 | 威海市公安局文登分局 | LED light supplement lamp |
| CN106899786A (en) * | 2015-12-21 | 2017-06-27 | 威海市公安局文登分局 | Monitor camera device and its application method |
| CN109724054A (en) * | 2017-10-31 | 2019-05-07 | 商洛市虎之翼科技有限公司 | A kind of far and near light structures and means of illumination of focusing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20210128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |