CN103813058A - Internet-of-things image acquisition device - Google Patents
Internet-of-things image acquisition device Download PDFInfo
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- CN103813058A CN103813058A CN201210447010.0A CN201210447010A CN103813058A CN 103813058 A CN103813058 A CN 103813058A CN 201210447010 A CN201210447010 A CN 201210447010A CN 103813058 A CN103813058 A CN 103813058A
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Abstract
An Internet-of-things image acquisition device comprises a power supply module, a signal processing module, a signal transmitting module and sensor elements, wherein the power supply module is used for supplying power to the signal processing module and the image sensor elements, the signal processing module is used for acquiring and processing image information from the sensor elements and transmitting the image information to the signal transmitting module, and the signal transmitting module is used for transmitting image sensing information to an Internet-of-things sensing network layer. The Internet-of-things image acquisition device is characterized in that each sensor element sequentially includes a first double-convex lens of which the focal length is f1, a second single-convex lens of which the focal length is f2, and an image sensor used for carrying an image; at least one surface of the first double-convex lens and the second single-convex lens is provided with a binary diffractive optical structure used for eliminating aberration of a system; and the f1-to-f2 ratio is 0.25-1.36.
Description
Technical field
The present invention relates to technology of Internet of things field, be specifically related to a kind of transducer for Internet of Things, be specifically related to a kind of Internet of Things image acquisition device.
Background technology
Internet of Things is by technology such as transducer, REID, global positioning systems, any object or the process that needs monitoring, connection, interaction of Real-time Collection, gather the information of the various needs such as its sound, light, heat, electricity, mechanics, chemistry, biology, position, by all kinds of possible network insertions, realize thing and thing, thing links with the ubiquitous of people, realizes intelligent perception, identification and management to article and process.
As one of major technique of Internet of Things, there are some shortcomings in wireless senser, such as still needing to connect power supply, the problems such as signal transmission distance is limited, the inconvenient location of wireless senser, are perplexing the development of wireless senser in the process of application.
In prior art, common internet of things structure system is: comprise three layers: i.e. Sensor Network, transmission network and application net, on the basis of this architecture by merged the technology of Internet of things framework forming by the network integration, data fusion and service, three kinds of fusions in this Technical Architecture are embodied respectively in three layers of internet of things system structure: wherein, between Sensor Network and transmission network, be connected by User Network Interface, between transmission network and application net, be connected by applicable network interface.Internet of things terminals is sorted out respectively according to the type of physical entity, server and common data platform; Then, by the fusion between heterogeneous network, inter-network data can be shared and exchange, realized data fusion; The realization of data fusion to the terminal of same type with unified authentication or information portal, thereby realize the fusion of service, thereby realize thing and people, thing and thing and interpersonal interconnected.
The periphery that wherein Sensor Network is Internet of Things extends net, refers to the small node of transducer, data processing unit and communication unit, the wireless network consisting of Ad hoc mode.All kinds of transducers that can be fused in described Sensor Network are exactly " nerve endings " of described Internet of Things.
The object of the present invention is to provide a kind of novel Internet of Things image acquisition device.This image acquisition device image quality is high, can merge with existing Internet of Things on ground, aspect.
Summary of the invention
For addressing the deficiencies of the prior art and not enough, the invention provides a kind of Internet of Things image acquisition device, it can incorporate in Internet of Things easily, with respect to existing have many.
Concrete technical scheme is as follows:
A kind of Internet of Things image acquisition device, comprise: power module, signal processing module, signal emission module and sensor element, wherein power module is for providing electric power to signal processing module and image sensor element, signal processing module is the image information from described sensing element for acquisition and processing, and be transferred to signal emission module, signal emission module transmitting image sensing information is to Internet of Things sensing network layer, it is characterized in that: described sensing element comprises successively: focal length is the lenticular lens of f1 first, focal length is second single convex lens of f2, for accepting the imageing sensor of image, on at least one surface of described the first lenticular lens and second single convex lens, there is Binary Diffractive Optics structure, it is for eliminating the aberration of system, f1/f2 ratio is 0.25-1.36.
The object space surface of described the first lenticular lens has the structure of concavity both sides projection.
Described image acquisition device, also comprises a package casing, for encapsulating described transducer.
Described signal emission module is selected from: bluetooth communication, purple honeybee (zigbee) communication module, mobile communication module, WLAN (wireless local area network) (WLAN) communication module.
The peak of the projection on the object space surface of described the first biconvex eyeglass is 0.65mm to the distance h on arc surface summit, and the minimum point of depressed part is 0.70mm to the air line distance on biconvex aspherical lens arc surface summit, and wherein, the diameter of arc surface is 3.2mm.
Accompanying drawing explanation
A kind of structural representation of Fig. 1 sensor for information acquisition of Internet of things;
The structural representation of Fig. 2 image acquisition device of the present invention.
Fig. 3 is the Local map of the image acquisition device described in Fig. 2.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 1,
Sensor for information acquisition of Internet of things comprises signal processing module 1, signal processing module 1 connecting sensor element, signal processing module 1 also connects a signal emission module 2 and a power module 3, power module 3 comprises a power facility 31 and an electric power storage mechanism 32, power facility 31 connects electric power storage mechanism 32, and electric power storage mechanism 32 connects signal processing module 1.Signal processing module 1 connects at least two sensor elements, so that produce abundant signal.
Sensor for information acquisition of Internet of things also comprises a signal receiving module, signal receiving module connects the microprocessor in signal processing module 1, microprocessor, receiving by signal receiving module after the data that the communication pattern of wireless communication module is arranged, arranges the communication pattern of wireless communication module.Microprocessor connects a memory, stores wireless communication module is communicated to the setting data that pattern arranges in memory, and microprocessor, receiving after data reading command, sends setting data by wireless communication module.So that external device is set and is read the communication pattern of wireless communication module.
The electric energy that power facility 31 sends, first in the interior storage of electric power storage mechanism 32, so that be the power consumption module for power supply including signal processing module 1, signal emission module 2, makes these power consumption module work.Particularly make signal emission module 2 can send out the radio signal that signal strength signal intensity is stronger, and then effectively improve operating distance.Also have because can, for signal processing module 1 provides more heavy current, therefore can supporting signal processing module 1 carry out more complicated signal processing.
In concrete enforcement: power facility 31 can adopt an Antenna Type power facility, Antenna Type power facility connects electric power storage mechanism 32.Electric power storage mechanism 32 can adopt electric capacity.Power facility 31 can also adopt an inductance type power facility, and inductance type power facility comprises an inductance coil, connects electric power storage mechanism 32 by an one way conducting device, and inductance coil is that electric power storage mechanism 32 charges by one way conducting device.Power facility 31 can also adopt an optical energy power mechanism, and optical energy power mechanism comprises an electrooptical device, and electrooptical device connects electric power storage mechanism 32.Electrooptical device is electric energy by light energy conversion, is capacitor charging.Power facility 31 can also adopt the power facility of the types such as pressure electricity-generating mechanism, bending power facility, vibration power generation mechanism in addition.Electric capacity can adopt electrochemical capacitor.To guarantee thering is larger capacitance, can provide stronger electric current.Electric capacity also can adopt non-electrolytic capacitor.To guarantee that electric capacity has the sufficiently long life-span.
Described sensing element is image acquisition device, has following architectural feature:
As shown in Figure 2, in preferred embodiment, comprise wiring board 1, be fixed on wiring board 1 surface bearing 2, be fixed on lens assembly 3 in bearing 2, be positioned at the imageing sensor 4 of bearing 2 and be fixed on the photoflash lamp 5 on wiring board 1.
In the time of this camera module of assembling, first on wiring board 1, stick the assemblies such as imageing sensor 4, photoflash lamp 5 and electric capacity, then divide plate and clean chip, bearing 2 is stained with to black glue and is fixed on the relevant position of wiring board 1 and puts baking box into and toast after approximately 30 minutes, then lens assembly 3 is embedded in bearing 2.Finally focus to effect the most clearly with special focusing ring and testing software.
After assembling, this camera module is connected to operating voltage, aim at subject, the reflection ray of subject propagates in lens assembly 3, focus on imageing sensor 4 through this lens assembly 3, imageing sensor 4 can be assembled corresponding electric charge according to the power of light, through periodic discharge, produce the signal of telecommunication that represents a width width picture, in imageing sensor 4, carry out pre-amplification, the control of AGC automatic gain, color gain proofreaies and correct, black background is proofreaied and correct, camera lens shadow correction, bad point is proofreaied and correct, after a series of processing such as curve adjustment and A/D conversion, become digital signal output.
As shown in Figure 3, the exiting surface center of above-mentioned biconvex aspherical lens 303 is provided with depressed part, is provided with a circle projection around this depressed part.Wherein, the arc surface that the incidence surface of this biconvex aspherical lens 303 is evagination, the summit of arc surface is dropped on the symmetry axis of this biconvex aspherical lens 303, and the peak of biconvex aspherical lens 303 projections is 0.65mm to the distance h on arc surface summit.The minimum point of depressed part is 0.70mm to the air line distance on biconvex aspherical lens 303 arc surface summits.Wherein, the diameter of arc surface is 3.2mm.
In addition, eyeglass is except comprising single convex aspherical lens 302 and biconvex aspherical lens 303, between above-mentioned two eyeglasses, be also provided with the mylar film for stopping or absorb reflection ray, and be positioned at the filter at eyeglass rear portion, and in order to eliminate the air gap between eyeglass and filter, also between eyeglass and filter, be equipped with between mirror and encircle.
The exiting surface of biconvex aspherical lens 303 has two projections, therefore be biconvex aspherical lens 303.
The focal length of biconvex aspherical lens 303 is f1, and the focal length of single convex aspherical lens 302 is f2, and system focal length is f, and, f1/f2 ratio is: 0.25-1.36, is preferably 0.4,0.8,0.72.Within the scope of above-mentioned parameter, be conducive to the miniaturization of module most.
On at least one surface of described eyeglass 302 and 303, be preferably provided with Binary Diffractive Optics structure, for further eliminating system aberration.
After making light see through this eyeglass, the curvature design of above-mentioned biconvex aspherical lens 303 obtains focus point more clearly, the depressed part in the middle of especially can make corrections aberration and the dispersion of image, thus improve the resolution of whole image.In addition, the material behavior that the brightness of camera lens and eyeglass use also has relation, and as the refractive index of material, light transmittance, eyeglass of the present invention all adopts the resin dedicated material of Imported High-performance optics, as ZEONEX-480R, and OKP4HT.
Preferably, above-mentioned wiring board 1 can adopt FPC flexible electric circuit board or PCB printed wiring board.Wherein, the distribution density of FPC flexible electric circuit board is high, lightweight, volume is little, and distribution mistake is few, and cost is cheaper.
Similarly, imageing sensor 4 can adopt cmos image sensor or ccd image sensor.
Further, this camera module is connected with equipment by connector 6, and connector 6 is fixedly arranged on the surface of wiring board 1.Be connected with other equipment by connector 6 and can make to connect more convenient, efficiency of assembling is higher.
Secondly,, in order to make stickup fixing more firm, in the bottom surface of wiring board 1, be also provided with and strengthen stiffener plate 7 with the correspondence position of imageing sensor 4 and connector 6.
Preferably, the operating voltage of above-mentioned photoflash lamp 5 is 3V, and this photoflash lamp can obtain the brightness of 5000mcd under the operating voltage of 3V.Sensor for information acquisition of Internet of things also comprises a package casing, and signal processing module, sensor element are embedded in package casing.Electric capacity is provided with at least two sheet pole plates, and two sheet pole plates are embedded in respectively in package casing.Because sheet pole plate is embedded in package casing, package casing area is relatively large, therefore allows two sheet pole plates to have larger area, and then allows electric capacity to have larger capacitance.Sensor for information acquisition of Internet of things is provided with a fixture, and fixture can be viscose, magnet, snap close etc., and concrete form can be chosen according to actual working environment.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not subject to the restriction of above-mentioned using method; that in above-mentioned using method and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.
Claims (5)
1. an Internet of Things image acquisition device, comprise: power module, signal processing module, signal emission module and sensor element, wherein power module is for providing electric power to signal processing module and image sensor element, signal processing module is the image information from described sensing element for acquisition and processing, and be transferred to signal emission module, signal emission module transmitting image sensing information is to Internet of Things sensing network layer, it is characterized in that: described sensing element comprises successively: focal length is the lenticular lens of f1 first, focal length is second single convex lens of f2, for accepting the imageing sensor of image, on at least one surface of described the first lenticular lens and second single convex lens, there is Binary Diffractive Optics structure, it is for eliminating the aberration of system, f1/f2 ratio is 0.25-1.36.
2. image acquisition device as claimed in claim 1, the object space surface of described the first lenticular lens has the structure of concavity both sides projection.
3. image acquisition device as claimed in claim 1, also comprises a package casing, for encapsulating described transducer.
4. image acquisition device as claimed in claim 1, described signal emission module is selected from: bluetooth communication, purple honeybee (zigbee) communication module, mobile communication module, WLAN (wireless local area network) (WLAN) communication module.
5. image acquisition device as claimed in claim 2, the peak of the projection on the object space surface of described the first biconvex eyeglass is 0.65mm to the distance h on arc surface summit, the minimum point of depressed part is 0.70mm to the air line distance on biconvex aspherical lens arc surface summit, wherein, the diameter of arc surface is 3.2mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210447010.0A CN103813058A (en) | 2012-11-09 | 2012-11-09 | Internet-of-things image acquisition device |
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| CN201210447010.0A CN103813058A (en) | 2012-11-09 | 2012-11-09 | Internet-of-things image acquisition device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741563A (en) * | 2016-03-31 | 2016-07-06 | 苏州玄禾物联网科技有限公司 | Crossroad red light running snapshot system based on Internet of Things |
| CN105741564A (en) * | 2016-04-05 | 2016-07-06 | 苏州玄禾物联网科技有限公司 | Bus lane snapshot system based on Internet of Things |
| CN105809980A (en) * | 2016-03-31 | 2016-07-27 | 苏州玄禾物联网科技有限公司 | Expressway vehicle overspeed snapshot system based on Internet of Things |
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2012
- 2012-11-09 CN CN201210447010.0A patent/CN103813058A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105741563A (en) * | 2016-03-31 | 2016-07-06 | 苏州玄禾物联网科技有限公司 | Crossroad red light running snapshot system based on Internet of Things |
| CN105809980A (en) * | 2016-03-31 | 2016-07-27 | 苏州玄禾物联网科技有限公司 | Expressway vehicle overspeed snapshot system based on Internet of Things |
| CN105741564A (en) * | 2016-04-05 | 2016-07-06 | 苏州玄禾物联网科技有限公司 | Bus lane snapshot system based on Internet of Things |
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Application publication date: 20140521 |