CN206023976U - Light sensor device and monitoring device - Google Patents
Light sensor device and monitoring device Download PDFInfo
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- CN206023976U CN206023976U CN201620571222.3U CN201620571222U CN206023976U CN 206023976 U CN206023976 U CN 206023976U CN 201620571222 U CN201620571222 U CN 201620571222U CN 206023976 U CN206023976 U CN 206023976U
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- light
- light sensor
- sensor device
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- photosurface
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Abstract
The utility model provides a kind of light sensor device and monitoring device.The light sensor device includes：Collective optics；Light sensor, the photosurface configuration collective optics of light sensor.Light sensor device of the present utility model is solved due to the fault of construction of light sensor device in correlation technique, the technical problem of the light current deficiency of caused light sensor device feedback.
Description
Technical field
The utility model is related to picture pick-up device technical field, sets in particular to a kind of light sensor device and monitoring
Standby.
Background technology
With the extensive utilization of monitoring device, the shooting quality of monitoring device how is lifted for varying environment condition, into
For the problem that this area is studied all the time.
Current infrared monitoring equipment major part is examined using light sensor (photodiode or triode)
Ambient brightness is surveyed, so as to judge that video camera should be in day mode or night mode.
For example, when environment brightness by bright dimmed when, the light that light sensor is received be also by tailing off more, from
And it is also that monitoring device unlatching infrared lamp, equipment change into night mould from large to small, when little to some threshold value to be transformed into electric current
Formula, as shown in figure 1, Fig. 1 is the light current of the light sensor of some model in correlation technique with showing that ambient light changes
It is intended to, but current light sensor, and due to reasons such as material and techniques, the dark current temperature influence of light sensor is very
Greatly, Fig. 2 is the dark current variation with temperature figure of the light sensor of some model in correlation technique, such as in ambient light
Light current for the light sensor under 3lux is 1.2uA, and as the temperature rise of equipment is very high, when such as 85 °, dark current is just
0.2uA, due to light current and dark current difference less, causes the daytime for affecting monitoring device with the mistake of night mode translative mode
Sentence.Or currently existing scheme is under higher brightness, the switching on daytime and night is carried out, or using other electronic devices and components
Temperature-compensating is carried out, has very big inferior position in practical application and cost.
In the related, the light sensor device of traditional direct insertion 3mm, 5mm, Fig. 3 is in correlation technique
The structural representation of light sensor is planted, as shown in figure 3, due to the chip size very little for receiving optical signal on light sensor,
Structure of the existing package surface for plane, extraneous very low-angle luminous energy are got at up to chip, and it is not very big to cause light current.
For the above-mentioned fault of construction due to light sensor device in correlation technique, caused light sensor device feedback
The not enough problem of light current, not yet proposes effective solution at present.
Utility model content
Main purpose of the present utility model is to provide a kind of light sensor device and monitoring device, to solve prior art
In due to the fault of construction of light sensor device in correlation technique, the light current of caused light sensor device feedback is not enough to ask
Topic.
To achieve these goals, the utility model provides a kind of light sensor device, including：Collective optics；Photosensitive
Sensor, the photosurface configuration collective optics of light sensor.
Further, collective optics includes：Lens, wherein, the light outlet side of lens and the photosurface of light sensor
Recline setting, for the light input light sensor by lens focus.
Further, lens are included for convex lens.
Further, light sensor includes：Photosensor chip, wherein, the light input side of photosurface and the light of convex lens
Line outlet side reclines setting, for receiving the light after convex lens focus；Photosensor chip is located at the focal point of convex lens, for connecing
Receive the light being input into by photosurface.
To achieve these goals, the utility model provides a kind of monitoring device, including：Above-mentioned light sensor device,
Ambient brightness is detected using light sensor device.
Application the technical solution of the utility model, the collective optics in the utility model are configured at the light of light sensor
Input side, by collection of the collective optics to light, the physical optics characteristic according to the collective optics will be input into collective optics
Light carries out optically focused, is then input into the light input side of light sensor, and the light so as to be input into will be assembled to light sensor
In photosensor chip, this avoid due to receiving the chip size very little of optical signal on light sensor in correlation technique, existing
Structure of some package surfaces for plane, extraneous very low-angle luminous energy are got at up to chip, cause the technology of light current very little to be asked
Topic, and then improve the light input quantity of photosensor chip.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used for explaining the utility model, does not constitute to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 diagrammatically illustrates the light current of the light sensor of some model in correlation technique to be changed with ambient light
Schematic diagram；
Fig. 2 diagrammatically illustrates the dark current variation with temperature of the light sensor of some model in correlation technique
Figure；
Fig. 3 diagrammatically illustrates a kind of structural representation of the light sensor in correlation technique；
Fig. 4 diagrammatically illustrates a kind of structural representation of light sensor device of the utility model embodiment；And,
Fig. 5 diagrammatically illustrates a kind of structural representation of monitoring device of the utility model embodiment.
Wherein, above-mentioned accompanying drawing includes that the following drawings is marked：
42nd, collective optics；43rd, photosensor chip；44th, light sensor.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the utility model in detail.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
Illustrative embodiments according to the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, which indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that the description and claims of this application and the term " first " in above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to presently filed embodiment described herein for example can be with except here
Order beyond those of diagram or description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that
Be to cover non-exclusive include, for example, contain process, method, system, product or the equipment of series of steps or unit not
Be necessarily limited to those steps or the unit that clearly lists, but may include clearly not list or for these processes, side
Other intrinsic steps of method, product or equipment or unit.
Embodiment one
Shown in Figure 4, according to embodiment of the present utility model, there is provided a kind of light sensor device.
Specifically, the light sensor device in the present embodiment includes collective optics 42 and light sensor 44.Wherein, light
The photosurface configuration collective optics 42 of dependent sensor 44.
From the foregoing, it will be observed that collective optics 42 is located on 44 photosurface of light sensor, light is focused on by collective optics 42, is carried
The light speed of the reception of photosensor chip 43 in light sensor 44 is risen, and then raises the bright electricity of the feedback of light sensor 44
Stream, increases the gap of light current and dark current, so as to reduce the error that light current causes, it is to avoid the monitoring device change of weather was turned with night
The erroneous judgement that changes, eliminates the need for other devices to compensate the impact of dark current, reduces material and production cost.
Collective optics 42 in the utility model is configured at the light input side of light sensor, by collective optics 42
The light for being input into collective optics is carried out optically focused according to the physical optics characteristic of the collective optics 42, then by the collection to light
The light input side of input light sensor 44, the light so as to be input into will be assembled to light sensor 44, this avoid phase
Due to receiving the chip size very little of optical signal, knot of the existing package surface for plane on light sensor 44 in the technology of pass
Structure, extraneous very low-angle luminous energy are got at up to chip, are caused the technical problem of light current very little, and then are improved light sensor
44 light input quantity.
Preferably, collective optics 42 includes lens, wherein, the light outlet side of lens and the photosurface of light sensor 44
Recline setting, for the light input light sensor 44 by lens focus.
According to above-mentioned structure it is recognised that the collective optics 42 in the present embodiment is according to physical optics characteristic, will input
Light is focused, and then exports, and collective optics includes lens in the embodiment of the present application, the light outlet side of the lens and light
The photosurface of dependent sensor 44 reclines setting, for the light input light sensor 44 after by focusing, makes surrounding environment luminous energy
Being received by light sensor 44 for maximal efficiency, so as to improve light current, makes light current and dark current pull open gap, it is to avoid shooting
The switching error of machine day and night pattern.
Further, it is preferable to, light sensor 44 includes photosensor chip 43, wherein, the light input side of photosurface with
The light outlet side connection of convex lens, for receiving the light after convex lens focus；Photosensor chip 43 is located at the focus of convex lens
Place, for receiving the light being input into by photosurface.
During the photosurface configuration lens of light sensor 44, the focus of lens is located at the light of light sensor 44
At quick chip 43, to ensure that the light through lens focus all can be focused at the photosensor chip 43.
Preferably, the lens in the present embodiment are convex lens, are easy to make the light aggregation of surrounding environment to be incident to light sensor
Device 44, so as to further improve light current, makes light current and dark current pull open gap, it is to avoid video camera day and night pattern
Switching error.
From the foregoing, it will be observed that Fig. 4 is combined, when ambient enters convex lens, according to the physical optics principle of convex lens, by the external world
Light focusing sets the specification of convex lens in any according to the position of the first photosensor chip 43 in light sensor 44, so that
The focus of convex lens be located at 43 position of photosensor chip at, light through light sensor 44 photosurface after, will focus on light
Line is transmitted to the position of photosensor chip 43, lifts the effect that light sensor feeds back light current so as to reach by focusing on light input
Really.
In the same manner, in the case where convex lens are spherical lens, by taking Semi-spherical face lenses as an example, according to spherical lens and convex lens
Side raised for Semi-spherical face lenses is used for receiving light input side by similar physical optics principle, the Semi-spherical face lenses flat
Face is connected with the photosurface of light sensor 44, and for exporting the light after focusing on, the photosurface transmission of light sensor 44 should
The light of focusing is fed back to photosensor chip 43 by the light after focusing, and wherein, the specification of Semi-spherical face lenses is according to photosensor chip 43
Position configuration so that the focus of Semi-spherical face lenses be located at 43 position of photosensor chip at.
In the present embodiment, light sensor of the light sensor 44 for direct insertion 3mm, 5mm, the utility model is straight
On the light sensor device of 3mm, 5mm of slotting formula, according to the knowledge of geometric optics, increase convex lens, surrounding can be made more
Many ambient lights gather 43 surface of photosensor chip, so as to improve the light current of light sensor 44, increase light current and dark current
Gap, so as to reduce the error that light current causes, it is to avoid monitoring device the change of weather with night conversion erroneous judgement, eliminate the need for other
Device reduces material and production cost compensating the impact of dark current.
Embodiment two
According to another aspect of the present utility model, there is provided a kind of monitoring device, Fig. 5 diagrammatically illustrate the utility model
A kind of structural representation of monitoring device of embodiment, as shown in figure 5, monitoring device of the present utility model includes：Fig. 5's is photosensitive
Sensing device, detects ambient brightness using light sensor device.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect：Using
Convex lens are configured at 44 photosurface of light sensor, are realized in light input process, according to the physical optics of convex lens
Characteristic by light focusing on the photosensor chip 43 of light sensor 44, so as to avoid in correlation technique due to light sensor
Receive the chip size very little of optical signal on 44, existing package surface is the structure of plane, and extraneous very low-angle light can
Chip is reached, causes the technical problem of light current very little, and then improve the light input quantity of photosensor chip 43, and the application reality
The light sensor device that the monitoring device of example offer includes shown in Fig. 4 is applied, by matching somebody with somebody at the photosurface of light sensor 44
Convex lens are put, so that light is concentrated on photosensor chip 43, special so as to reach this structure according to the light sensor device
Property detection ambient brightness, and then lifted monitoring device in lighting apparatus the photosensitive degree of accuracy, reach can accurately foundation ambient light
The light and shade of line carries out light filling operation, energy saving.
For the ease of description, space relative terms can be used here, such as " ... on ", " ... top ",
" in ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation that levies.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
To be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements that is made etc. are should be included within protection domain of the present utility model.
Claims (5)
1. a kind of light sensor device, it is characterised in that include：
Collective optics (42)；
Light sensor (44), the photosurface of light sensor (44) configure collective optics (42).
2. light sensor device according to claim 1, it is characterised in that described collective optics (42) include lens, its
In, the photosurface of the light outlet side of the lens and the light sensor (44) reclines setting, for gathering the lens
Burnt light is input into light sensor (44).
3. light sensor device according to claim 2, it is characterised in that the lens include convex lens.
4. light sensor device according to claim 3, it is characterised in that described light sensor (44) include photosensitive core
Piece (43), wherein,
The light input side of the photosurface and the light outlet side of the convex lens recline setting, for receiving convex lens focus
Light afterwards；
Described photosensor chip (43) are located at the focal point of the convex lens, for receiving the light being input into by the photosurface.
5. a kind of monitoring device, it is characterised in that include：Light sensor device any one of Claims 1-4, profit
Ambient brightness is detected with the light sensor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571222.3U CN206023976U (en) | 2016-06-14 | 2016-06-14 | Light sensor device and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620571222.3U CN206023976U (en) | 2016-06-14 | 2016-06-14 | Light sensor device and monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023976U true CN206023976U (en) | 2017-03-15 |
Family
ID=58241866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620571222.3U Expired - Fee Related CN206023976U (en) | 2016-06-14 | 2016-06-14 | Light sensor device and monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336938A (en) * | 2019-08-12 | 2019-10-15 | 浙江大华技术股份有限公司 | Photosensitive components, image collecting device, lens driving method, storage medium |
-
2016
- 2016-06-14 CN CN201620571222.3U patent/CN206023976U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336938A (en) * | 2019-08-12 | 2019-10-15 | 浙江大华技术股份有限公司 | Photosensitive components, image collecting device, lens driving method, storage medium |
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| Date | Code | Title | Description |
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| 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: 20170315 Termination date: 20200614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |