CN101415073A - Digital camera - Google Patents
Digital camera Download PDFInfo
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- CN101415073A CN101415073A CNA2007101815264A CN200710181526A CN101415073A CN 101415073 A CN101415073 A CN 101415073A CN A2007101815264 A CNA2007101815264 A CN A2007101815264A CN 200710181526 A CN200710181526 A CN 200710181526A CN 101415073 A CN101415073 A CN 101415073A
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- microprocessor
- ultraviolet
- digital camera
- uitraviolet intensity
- power supply
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Abstract
The invention discloses a digital camera, the power of which is supplied by a power source. The digital camera can sense the ultraviolet radiation intensity and comprises an ultraviolet radiation processing module, a memorizer, a microprocessor and a power management module. The ultraviolet radiation processing module can measure the outside ultraviolet radiation so as to generate an ultraviolet radiation intensity value and output the ultraviolet radiation intensity value to the microprocessor to lead the microprocessor to compare the ultraviolet radiation intensity value with the ultraviolet radiation index memorized in the memorizer, therefore, a correlative value is output and the ultraviolet radiation index is displayed on a display. The power management module is electrically connected with the microprocessor and the power source, starts the power source management mode according to the correlative value, so as to timely close the power source of the camera according to the intensity of the ultraviolet radiation to give a warning for the user of the camera.
Description
Technical field
The present invention is relevant with image capturing device, particularly about a kind of digital camera and powder source management mode thereof.
Background technology
Shine upon in the light of the earth, roughly can divide into the visible light that human eyes can be seen, and the non-visible light that can't discover of human eyes.Ultraviolet ray (UV; Ultraviolet) be the non-visible light of wavelength less than visible light, therefore the mankind also can't be directly to be observed visually ultraviolet ray, and still ultraviolet ray but is closely bound up with the mankind's daily life.In recent years,, make atmosphere absorb ultraviolet ability worse and worse, also constantly increase so shine directly into the ultraviolet ray metering on the face of land because the ozone layer in the atmosphere suffers human destruction.
According to scientist's research, excessive ultraviolet ray can cause human skin and eye damage.For instance, after human skin is subjected to strong ultraviolet irradiation, has redness, tanned and decortication or the like symptom, and get off for a long time, more may cause skin aging even bring out cytopathy.In addition, strong ultraviolet ray also can injure human eye tissue, and infringement conjunctiva, cornea and crystalline are one of cataractous main reason.Ultraviolet ray is excessive when tanning by the sun the influencing of human body when people begin slowly to understand, and has just formulated cover ultraviolet index standard, the i.e. ultraviolet index (UVI of called optical imaging; Ultraviolet Index), and estimates out the progression that tans by the sun that human body skin may come to harm under the irradiation of sunlight of different ultraviolet indexes, tan by the sun the time limit to provide corresponding.
Though can forecast with reference to the various places ultraviolet index that Meteorological Unit is announced at present, and learn various places about ultraviolet index on the same day, but for movable out of doors people, still can't learn ultraviolet ray metering contained in the ambient light at any time, suffer the ultraviolet ray sunburn to such an extent as to have no idea to carry out relative sun-proof measure.This situation is the most normal when occurring in outdoor photograph, the person of taking pictures be placed on constantly by the person's of taking pictures attentiveness take pictures on, and have no time to attend to other affairs.So one time takes pictures in the open air, the person of taking pictures with usually all can be tanned by the sun for a long time under big sunlight by the person of taking pictures, if do not carry out sun-proof measure at any time, skin just can long-time contacted amount ultraviolet ray and injured.Therefore, if the utensil that can utilize the person of taking pictures to notice when take pictures in the open air provides ultraviolet information at that time, and the person that do not take pictures suitable caution in good time, ultraviolet injury in the time of just can avoiding the open air to take pictures.
Summary of the invention
Because the person of taking pictures is not easy the problem of noticing that ultraviolet ray is excessive when taking pictures out of doors, main purpose of the present invention is to provide a kind of digital camera, ultravioletly to take pictures out of doors reminds the person of taking pictures when excessive.
For achieving the above object, the invention provides a kind of digital camera, can take pictures and measure the ultraviolet ray metering in the environment of living in.This kind digital camera provides the institute must electric power by a power supply, and it includes a UV treatment module, a memory, a microprocessor, a power management module and a display, and aforesaid power supply can be but is not limited to a battery.The UV treatment module measures extraneous ultraviolet ray, to produce a uitraviolet intensity value.Memory storage has a ultraviolet index table.Microprocessor receives the uitraviolet intensity value of UV treatment module output, and by reading the ultraviolet index table in the memory, exports a reduced value to contrast uitraviolet intensity value and ultraviolet index table.Power management module is electrically connected at microprocessor and power supply, starts powder source management mode with the reduced value according to microprocessor output.The contrast contrast
The UV treatment module includes a filter lens, a photo switches, photo sensors and an analog-digital converter.Filter lens makes ultraviolet ray be passed through filter lens in order to the light of non-ultraviolet wave band in the extraneous light of filtering.The photo switches, photo sensors detecting is by the ultraviolet radiant flux of filter lens, to be converted to a uitraviolet intensity signal.Analog-digital converter is electrically connected at photo switches, photo sensors and microprocessor, to receive the uitraviolet intensity signal of photo switches, photo sensors, exports microprocessor to and produce aforesaid uitraviolet intensity value.Store a ultraviolet index table in the memory, and be electrically connected at microprocessor.Power management module includes a timer and a derailing switch, and timer is electrically connected at microprocessor, adjust a timing time with the reduced value that receives microprocessor output, and derailing switch is electrically connected at timer.When timing time was reached, timer can produce an out code and export derailing switch to, made derailing switch disconnect the power supply of digital camera.Display is electrically connected at microprocessor, and microprocessor according to uitraviolet intensity value contrast ultraviolet index table to produce an idsplay order, wherein display demonstrates the ultraviolet index of a corresponding ambient light line according to idsplay order.
Effect of the present invention is, microprocessor can record the metering of extraneous light middle-ultraviolet lamp by the UV treatment module, and the transmission display device is expressed the ultraviolet index of extraneous light at any time, provide the camera user to carry out sun-proof reference, and the control power management module starts powder source management mode when ultraviolet ray is excessive, to close camera power supply in timing, give the camera user caution according to the power of extraneous light middle-ultraviolet lamp.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the functional-block diagram of digital camera of the present invention.
Fig. 2 is the ultraviolet index table of digital camera of the present invention.
Fig. 3 carries out the flow chart of powder source management mode for digital camera of the present invention.
Wherein, Reference numeral
UV treatment module 20
Filter lens 21
Photo switches, photo sensors 22
Analog-digital converter 23
Memory 30
Microprocessor 50
Power management module 60
Timer 61
Derailing switch 62
Display 70
Control interface 80
Embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also shown in Figure 1ly, be the functional-block diagram of digital camera of the present invention.Digital camera 10 provided by the present invention can carry out capturing images and measure ultraviolet ray metering in the environment of living in, by the required electric power of a power supply 11 supply runnings.Aforesaid power supply 11 can be but is not limited to a battery, the rechargeable battery of for example general deserted standard cell, special use or domestic power supply or the like.Carried the electronic component and the optical element of general digital camera standard configuration on the digital camera 10, for example camera lens, photo-sensitive cell, image processor, photoflash lamp and other carry out the required element of capturing images, more than are all known technology and repeat no more.Digital camera 10 of the present invention also includes a UV treatment module 20, a memory 30, a microprocessor 50, a power management module 60, a display 70 and a control interface 80 except that above-mentioned known necessary part.
Please consult shown in Figure 1 again, UV treatment module 20 is electrically connected at microprocessor 50 and power management module 60, obtain the electric power of power supply 11 to see through power management module 60, and electrical signal can be transmitted between UV treatment module 20 and microprocessor 50.UV treatment module 20 exports microprocessor 50 in order to measure extraneous ultraviolet ray to and produce a uitraviolet intensity value, and wherein UV treatment module 20 includes a filter lens 21, a photo switches, photo sensors 22 and an analog-digital converter 23.The filter lens 21 outer case surface that are exposed at digital camera 10, and can receive digital camera 10 extraneous light on every side.Filter lens 21 is able to by filter lens 21 ultraviolet ray in order to the light of non-ultraviolet wave band in the extraneous light of filtering, and the light that does not belong to ultraviolet wave band then can't pass through filter lens 21.Photo switches, photo sensors 22 is in order to the ultraviolet radiant flux of detecting by filter lens 21, to be converted to a uitraviolet intensity signal and output.Analog-digital converter 23 is electrically connected at photo switches, photo sensors 22 and microprocessor 50, and with the uitraviolet intensity signal of reception photo switches, photo sensors 22, and the uitraviolet intensity value that produces corresponding to the uitraviolet intensity signal exports microprocessor 50 to.
Please continue to consult Figure 1 and Figure 2, wherein the ultraviolet index table that provided for digital camera 10 of the present invention of Fig. 2.Memory 30 is electrically connected at microprocessor 50 and power management module 60, obtains the electric power of power supply 11 to see through power management module 60, and electrical signal can be transmitted between memory 30 and microprocessor 50.Memory 30 can be that electricity can be cleaned programmable read only memory (EEPROM; Electrically Erasable Programmable Read-Only Memory) or flash memory (FlashMemory).Store a ultraviolet index table in the memory 30, and the ultraviolet index table include many ultraviolet indexes, many corresponding ultraviolet indexes tan by the sun progression and many correspondences are tanned by the sun progression and timing time.Ultraviolet index table middle-ultraviolet lamp index is divided into 16 grades such as 0 to 15 grade according to power, tans by the sun progression and then divides into trace level, low magnitude, middleweight, crosses five grades such as magnitude and hazard class according to ultraviolet index.Respectively tan by the sun time of tanning by the sun that progression may tan severely according to human body skin to different timing times should be arranged under the light of various ultraviolet light indexes, wherein the timing time that trace level is corresponding with low magnitude is 0, and the timing time of middleweight, mistake magnitude and hazard class correspondence was respectively 30 minutes, 20 minutes and 10 minutes.
Microprocessor 50 is electrically connected at UV treatment module 20, memory 30, power management module 60, display 70 and control interface 80, obtain the electric power of power supply 11 to see through power management module 60, and make electrical signal transmission between UV treatment module 20, memory 30, power management module 60, display 70 and control interface 80 and microprocessor 50 respectively.Microprocessor 50 receives the uitraviolet intensity value of UV treatment module 20 outputs, and by reading the ultraviolet index table in the memory 30.Microprocessor 50 is in order to contrast uitraviolet intensity value and ultraviolet index table, and the uitraviolet intensity of judging extraneous light belongs to the ultraviolet index of which progression, and exports an idsplay order and the reduced value corresponding to each timing time corresponding to ultraviolet index.
Power management module 60 is electrically connected at UV treatment module 20, memory 30, microprocessor 50, display 70 and power supply 11, powers so that the electric power of power supply 11 is imported UV treatment module 20, memory 30, microprocessor 50 and display 70 respectively.Power management module 60 starts powder source management mode in order to the reduced value according to microprocessor 50 outputs, and wherein power management module 60 includes a timer 61 and a derailing switch 62.Timer 61 is electrically connected at microprocessor 50, with the electrical signal of reception microprocessor 50 outputs, and by power supply 11 supply electric power.Timer 61 receives the reduced value of microprocessor 50 outputs, to adjust timing time and to carry out timing according to reduced value.The timing time of reduced value correspondence is 0 o'clock, and timer 61 just can not carry out timing, and the timing time of reduced value correspondence is greater than 0 o'clock, and timer 61 will begin to carry out timing.Derailing switch 62 is electrically connected at timer 61, to receive the electrical signal of timer 61 outputs, wherein derailing switch 62 makes the electric power of power supply 11 can't export UV treatment module 20, memory 30, microprocessor 50 and display 70 in order to deenergization administration module 60 and power supply 11.When timer 61 was reached timing time, timer 61 can produce an out code and export derailing switch 62 to, made derailing switch 62 disconnect the power supply 11 of digital camera 10.
Display 70 can be but is not limited to LCD.Display 70 is electrically connected at microprocessor 50 and power management module 60, obtains the electric power of power supply 11 to see through power management module 60, and electrical signal can be transmitted between microprocessor 50 and display 70.Display 70 receives the idsplay order of microprocessor 50 outputs, and demonstrates the ultraviolet index of a corresponding ambient light line.Control interface 80 is electrically connected at microprocessor 50, makes the electrical signal can transmission between control interface 80 and microprocessor 50, wherein controls interface 80 and can be but be not limited to a button or and plant in the contact panel of display 70.Control interface 80 usefulness produce a triggering signal for user's operation and export microprocessor 50 to, make the derailing switch 62 of microprocessor 50 control power management modules 60 disconnect UV treatment module 20 and power supply 11, and make the electric power of power supply 11 can't import UV treatment module 20.
As Fig. 1, Fig. 2 and shown in Figure 3, wherein Fig. 3 carries out the flow chart of powder source management mode for digital camera 10 of the present invention.At first, camera user power-on 11 makes each element that supplies power to digital camera 10, and the non-ultraviolet light in the extraneous light of filter lens 21 filterings simultaneously passes through ultraviolet light.Next step, the radiant flux of filter lens 21 is passed through in photo switches, photo sensors 22 induction ultraviolet rays, and is converted to the ultraviolet ray intensity signal, and analog-digital converter 23 receives the uitraviolet intensity signals and is converted to uroxameter value then.Then, microprocessor contrast uroxameter value is exported comparison value with the ultraviolet index table, and timer 61 is according to comparison value adjustment timing time and pick up counting.At last, when timer 61 timing finish, just export out code, and derailing switch 62 is a deenergization 11 after receiving out code.
In the digital camera 10 of the present invention, the metering of the extraneous light middle-ultraviolet lamp that microprocessor 50 can record by UV treatment module 20, and transmission display device 70 is expressed the ultraviolet index of extraneous light at any time, provide the camera user to carry out the reference of sun-proof work, and control power management module 60 starts powder source management mode when ultraviolet ray is excessive, to close the power supply 11 of camera according to the strong and weak timing of extraneous light middle-ultraviolet lamp, give the camera user caution.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1. a digital camera by power supply power supply, is characterized in that, includes:
One UV treatment module measures extraneous ultraviolet ray, to produce a uitraviolet intensity value;
One memory stores a ultraviolet index table;
One microprocessor receives this uitraviolet intensity value, and contrasts this uitraviolet intensity value and this ultraviolet index table to export a reduced value; And
One power management module is electrically connected at this microprocessor and this power supply, to start powder source management mode according to this reduced value.
2. digital camera according to claim 1, wherein this UV treatment module includes:
One filter lens, the light in order to non-ultraviolet wave band in the extraneous light of filtering is able to by this filter lens ultraviolet ray;
One photo switches, photo sensors, detecting is by the ultraviolet radiant flux of this filter lens, to be converted to a uitraviolet intensity signal; And
One analog-digital converter is electrically connected at this photo switches, photo sensors and this microprocessor, to receive this uitraviolet intensity signal, exports this microprocessor to and produce this uitraviolet intensity value.
3. digital camera according to claim 1, wherein more include a display, be electrically connected at this microprocessor, this microprocessor contrasts this ultraviolet index table to produce an idsplay order according to this uitraviolet intensity value, and this display demonstrates a ultraviolet index according to this idsplay order.
4. digital camera according to claim 1, wherein this power management module includes:
One timer receives this reduced value of this microprocessor output, adjusting a timing time according to this reduced value, and exports an out code; And
One derailing switch receives this out code of this timer output, to disconnect this power supply.
5. digital camera according to claim 4 wherein more includes a control interface, produces a triggering signal and exports this microprocessor to, makes this microprocessor control this derailing switch and disconnects this UV treatment module and this power supply.
6. digital camera according to claim 4, wherein this ultraviolet index table includes corresponding many ultraviolet indexes, many and tans by the sun progression and many these timing times.
7. digital camera according to claim 1, wherein this memory is that electricity can be cleaned programmable read only memory.
8. digital camera according to claim 1, wherein this memory is a flash memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101815264A CN101415073A (en) | 2007-10-18 | 2007-10-18 | Digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101815264A CN101415073A (en) | 2007-10-18 | 2007-10-18 | Digital camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101415073A true CN101415073A (en) | 2009-04-22 |
Family
ID=40595364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101815264A Pending CN101415073A (en) | 2007-10-18 | 2007-10-18 | Digital camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101415073A (en) |
-
2007
- 2007-10-18 CN CNA2007101815264A patent/CN101415073A/en active Pending
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090422 |