CN2798393Y - Digital camera with soloar energy power supplying - Google Patents
Digital camera with soloar energy power supplying Download PDFInfo
- Publication number
- CN2798393Y CN2798393Y CN 200520041591 CN200520041591U CN2798393Y CN 2798393 Y CN2798393 Y CN 2798393Y CN 200520041591 CN200520041591 CN 200520041591 CN 200520041591 U CN200520041591 U CN 200520041591U CN 2798393 Y CN2798393 Y CN 2798393Y
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- China
- Prior art keywords
- control
- main battery
- solar cell
- power supply
- digital camera
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Abstract
The utility model discloses a digital camera with the function of solar energy power supplying, which has dual power source supplying mode. The digital camera mainly comprises a main battery, a system power source control module and a cameras CPU, and also comprises a solar battery and a selection circuit, wherein the solar battery is used for supplying power for the system power source control module; the selective circuit is used for selecting the solar battery or the main battery to provide power source for the system power source control module. In addition, the digital camera also comprises a flash lamp modular and two control circuits A, B, wherein the flash lamp modular comprises a flash lamp controller and a flash lamp; the flash light controller is used for controlling the movement of the flash lamp; the control circuit A is used for controlling the solar battery and the main battery to supply power for the flash lamp module; the control circuit B is used for controlling the flash lamp controller.
Description
Technical field
The utility model relates to a kind of digital camera that utilizes solar energy, especially has solar powered digital camera.
Background technology
Existing digital camera all adopts the single power supply power supply, is generally powered battery, in order to prolong power-on time, and the capacity of generally taking to increase number of batteries or increasing battery, but this can increase cost undoubtedly.
For the frequent use of the components and parts of big power consumption such as photoflash lamp, power-on time is significantly reduced in addition, in case and running down of battery, whole system can't be worked at once.The additional function of some low-power consumption this moment also can't use, such as function such as browsing.Other function of digital camera is had a greatly reduced quality.
Summary of the invention
The utility model provides a kind of solar powered digital camera that has, and it has the dual power supply pattern.
In order to overcome the above problems, the utility model provides following technical scheme: a kind of have a solar powered digital camera, it mainly comprises main battery, the system power supply control module, camera CPU, it comprises that also a solar cell, described solar cell are used for powering to the system power supply control module; Select circuit for one, described selection circuit is used to select described solar cell or main battery to provide power supply to the system power supply control module.
In addition, it also comprises a flash modules, and it comprises photoflash controller and photoflash lamp, and described photoflash controller is used to control the action of photoflash lamp; Two control circuit A, B, wherein said control circuit A is used to control described solar cell and main battery is powered to described flash modules, and described control circuit B is used to control described photoflash controller.
Described control circuit A comprises: a voltage detector is used to detect the voltage of described solar cell; An electronic switch is used to control described solar cell and main battery and powers to described photoflash controller, and wherein said voltage detector is according to the action of the voltage signal control electronic switch that is obtained.
Described control circuit B is made up of a voltage detector and described camera CPU, wherein said voltage detector is used to detect the voltage of described main battery, and the voltage signal that obtains is input among the described camera CPU, described then CPU output control signal is used to control the action of photoflash controller.
In addition, it also comprises a control circuit C, is used to control the mode of operation of described system power supply control module; Described control circuit C is made up of two voltage detectors and camera CPU, described two voltage detectors are respectively with the voltage signal of detected described solar cell and the voltage signal of described main battery, be input to respectively among the camera CPU, output a control signal to the system power supply control module to control its mode of operation by camera CPU then.
The utility model compared with prior art has following progress: do not changing at digital camera under the situation of original main battery power supply, increasing the solar cell for supplying power function, making it have the dual power supply pattern like this; Another characteristics of the present utility model are to have adopted independent control circuit that solar cell is preferentially powered to the photoflash lamp of digital camera, and whether open the photoflash lamp function according to the main battery situation decision that monitors simultaneously, the energy consumption of a part of photoflash lamp is provided by this clean energy resource of solar energy, prolong main battery useful life; And according to the voltage condition of detected solar cell and main battery, which kind of function the decision digital camera opens, and such as when main battery exhausts fully, solar cell can also continue power supply, make system can carry out the operation of some low-power consumption, as browsing pictures etc.
Description of drawings
1, the utility model circuit diagram,
2, a kind of circuit diagram of the utility model.
Embodiment
As shown in Figure 1, be circuit diagram of the present utility model.It mainly comprises main battery 1, system power supply control module 3, camera CPU 7, solar cell 2 and selection circuit 20.System power supply control module 3 is mainly used in the supply of the required electric energy of control each function of digital camera, and solar cell 2 is by selecting circuit 20, and whether decision is to powering to system power supply control module 3.
In addition, it also comprises a flash modules 9, and it comprises photoflash controller 10 and photoflash lamp 11, and photoflash controller 10 is used to control the action of photoflash lamp 11; Two control circuit A 30, B 40, wherein control circuit A 30 is used to control solar cell 2 and main battery 1 to flash modules 9 power supplies, and control circuit B 40 is used to control photoflash controller 10.
Control circuit A30 comprises: a voltage detector 4 is used to detect the voltage of solar cell 2; An electronic switch 6 is used to control solar cell 2 and main battery 1 to photoflash controller 10 power supplies, and wherein voltage detector 4 is according to the action of the voltage signal control electronic switch 6 that is obtained.
Control circuit B 40 is made up of a voltage detector 5 and camera CPU7, wherein voltage detector 5 is used to detect the voltage of main battery 1, and the voltage signal that obtains is input among the camera CPU7, camera CPU7 output control signal is used to control the action of photoflash controller 10 then.
In addition, it also comprises a control circuit 50, is used for the mode of operation of control system energy supply control module 3.Control circuit 50 is made up of voltage detector 4, voltage detector 5 and camera CPU7, voltage detector 4,5 is respectively with the voltage signal of detected solar cell 2 and the voltage signal of main battery 1, be input to respectively among the camera CPU7, output a control signal to system power supply control module 3 to control its mode of operation by camera CPU7 then.
As shown in Figure 2, it is a kind of circuit diagram of the present utility model.At first, except that photoflash lamp 11, all other supply of electrical energy of system are by 3 outputs of system power supply control module, the 3.3 volt voltages required as main power source Main, 3.3 volts of voltages that memory body Memory is required, 1.8 volts of voltages that central processor CPU core is required, about tens volts the multiplication of voltage that display screen LCD is required etc. all has system power supply control module 3 to supply with, but the mode of operation of system power supply control module 3 that is to say that by camera CPU7 control specifically will supply with those system power supplies is controlled by camera CPU7.
The electric energy of system power supply control module 3 then has the circuit 20 of selection (shown in Figure 1) to select to select circuit 20 to be made up of two diode D1, D2 by main battery 1 or solar cell 2 power supplies.Select circuit 20 to compare through B point and C point current potential, promptly the current potential of main battery 1 and solar cell 2 compares, and that diode current flow of high potential that is to say by high the powering of current potential.
Electronic switch 6 is made up of triode Q1 and diode D3.
According to voltage detector 4,5 detected voltage signal differences, that is to say the I/O interface I/O1 that is input to camera CPU7, the signal difference of I/O2, the power work state of camera is divided into several different forms, as shown in table 1.When wherein I/O1 was high level 1, expression main battery 1 had electricity, represented during for low level 0 that main battery 1 does not have; When I/O2 was high level 1, expression solar cell 2 did not have electricity, represents during for low level 0 that solar cell 2 has.
Table 1
| Pattern | I/O1 | I/O2 | Operating state |
| 1 | 1 | 0 | Open all systemic-functions |
| 2 | 1 | 1 | Open all systemic-functions |
| 3 | 0 | 0 | The high power consumption function of shutdown system, only open low-power consumption function |
| 4 | 0 | 1 | Close all systems |
Be operated in pattern 1 time, this moment, main battery 1 and solar cell 2 all had electric energy, but the current potential of main battery 1 is than the current potential height of solar cell 2, diode D2 conducting, diode D1 ends, except that photoflash lamp 11, other electric energy of system is by main battery 1 supply, Power supply detector 4 detects solar cell 2 electricity, E point output electronegative potential 0, D point high potential 1, Ve＜Vd, electronic switch 6 ends, and photoflash controller 10 is by solar cell 1 power supply, simultaneously, Power supply detector 5 detects main battery 1 to be had, by I/O1 mouth notice camera CPU7, camera CPU7 sends triggering signal and gives photoflash controller 10, makes photoflash controller 10 open and photoflash lamp 11 charged.
Be operated in pattern 2 times, this moment, main battery 1 had, but solar cell 2 luminous energy deficiencies, the solar cell no current is exported or is had only Weak current to export, main battery current potential height, diode D2 conducting, diode D1 ends, all electric energy of system are by the main battery supply, and Power supply detector 4 detects solar cell 2 does not have electricity, output E point high potential 1, D point electronegative potential 0, Ve＞Vd, electronic switch 6 conductings, photoflash controller 10 is by main battery 1 supply, Power supply detector 5 detects main battery 1 simultaneously has, by I/O1 mouth notice camera CPU7, camera CPU7 sends triggering signal and gives photoflash controller 10, makes photoflash controller 10 open and photoflash lamp 11 charged.
Be operated under the mode 3, this moment main battery 1 no electric energy, solar cell 2 has electric energy, consider that solar cell 2 output electric energy are limited, thus under this pattern the high power consumption function of shutdown system, only opening low-power consumption function, as the browsing pictures function, simultaneously not to photoflash lamp supply electric energy.Solar cell 2 current potential height, diode D1 conducting, diode D2 ends, and at this moment, system is by solar cell 2 power supplies.Power supply detector 5 detects main battery 1 does not have electricity, and by I/O1 mouth notice camera CPU7, camera CPU7 sends signal at stop photoflash controller 10, not to photoflash lamp 11 chargings.Simultaneously, close high power consumption function, only open low-power consumption function by I/O1 and I/O2 or non-relation notice camera CPU7.
Pattern 4 times, because main battery 1 and solar cell 2 all do not have electricity, so close all systems.
Claims (6)
1, a kind of have a solar powered digital camera, and it mainly comprises main battery (1), system power supply control module (3), and camera CPU (7) is characterized in that, it also comprises,
A solar cell (2), described solar cell (2) are used for to system power supply control module (3) power supply,
Select circuit (20) for one, described selection circuit (20) is used to select described solar cell (2) or main battery (1) to provide power supply to system power supply control module (3).
2, as claimed in claim 1 have a solar powered digital camera, and it is characterized in that: it also comprises
A flash modules (9), it comprises photoflash controller (10) and photoflash lamp (11), described photoflash controller (10) is used to control the action of photoflash lamp (11),
Two control circuit A (30), B (40), wherein said control circuit A (30) is used to control described solar cell (2) and main battery (1) is powered to described flash modules (9), and described control circuit B (40) is used to control described photoflash controller (10).
3, as claimed in claim 2 have a solar powered digital camera, it is characterized in that described control circuit A (30) comprising:
A voltage detector (4) is used to detect the voltage of described solar cell (2),
An electronic switch (6) is used to control described solar cell (2) and main battery (1) to described photoflash controller (10) power supply, and wherein said voltage detector (4) is according to the action of the voltage signal control electronic switch (6) that is obtained.
4, as claimed in claim 2 have a solar powered digital camera, it is characterized in that, described control circuit B (40) is made up of a voltage detector (5) and described camera CPU (7), wherein said voltage detector (5) is used to detect the voltage of described main battery (2), and the voltage signal that obtains is input among the described camera CPU (7), described then CPU (7) output control signal is used to control the action of photoflash controller (10).
5, as claimed in claim 1 or 2 have a solar powered digital camera, it is characterized in that it also comprises a control circuit C (50), is used to control the mode of operation of described system power supply control module (3).
6, as claimed in claim 5 have a solar powered digital camera, it is characterized in that: described control circuit C (50) is made up of described voltage detector (4), voltage detector (5) and camera CPU (7), described voltage detector (4), (5) are respectively with the voltage signal of detected described solar cell (1) and the voltage signal of described main battery (2), be input to respectively among the camera CPU (7), output a control signal to system power supply control module (3) to control its mode of operation by camera CPU (7) then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041591 CN2798393Y (en) | 2005-05-17 | 2005-05-17 | Digital camera with soloar energy power supplying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520041591 CN2798393Y (en) | 2005-05-17 | 2005-05-17 | Digital camera with soloar energy power supplying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2798393Y true CN2798393Y (en) | 2006-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520041591 Expired - Fee Related CN2798393Y (en) | 2005-05-17 | 2005-05-17 | Digital camera with soloar energy power supplying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2798393Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557122B (en) * | 2009-02-24 | 2010-12-01 | 深圳市民展科技开发有限公司 | Duplicate supply selection circuit |
-
2005
- 2005-05-17 CN CN 200520041591 patent/CN2798393Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557122B (en) * | 2009-02-24 | 2010-12-01 | 深圳市民展科技开发有限公司 | Duplicate supply selection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20120517 |