CN103187959A - Closed electronic device power source switching system - Google Patents
Closed electronic device power source switching system Download PDFInfo
- Publication number
- CN103187959A CN103187959A CN2011104522505A CN201110452250A CN103187959A CN 103187959 A CN103187959 A CN 103187959A CN 2011104522505 A CN2011104522505 A CN 2011104522505A CN 201110452250 A CN201110452250 A CN 201110452250A CN 103187959 A CN103187959 A CN 103187959A
- Authority
- CN
- China
- Prior art keywords
- power source
- electronic equipment
- signal
- circuit
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Optical Communication System (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a closed electronic device power source switching system and belongs to the technical field of electronic device power sources. The closed electronic device power source switching system comprises a power source remote control launcher used for emitting a light signal controlling connection and disconnection of a power source of a closed electronic device and a power source control circuit used for controlling the connection and disconnection of the power source of the closed electronic device according to the light signal. According to the closed electronic device power source switching system, the power source remote control launcher is matched with the power source control circuit so that the power source of the closed electronic device can be controlled. The mode of energy recovery is adopted in the power source control circuit, so that extra consumption of energy in a battery in the closed electronic device is not needed and when the closed electronic device is under the condition of sleeping, current consumption of the battery is less than 0.1 microamp. A check code is added in light signal communication, so that anti-jamming capability of the system is improved and reliability of the closed electronic device power source switching system is guaranteed.
Description
Technical field
The present invention relates to the electronic equipment power source technical field, relate in particular to a kind of power switch system of airtight electronic equipment.
Background technology
Airtight electronic equipment is according to special application scenario, and electronic devices and components are installed in a class of electronic devices in the seal cavity, for example is used for checking that gastral capsule endoscopic is exactly the airtight electronic equipment of a quasi-representative.Airtight electronic equipment adopts powered battery usually, in the process of producing, transporting and storing, if electronic equipment remains on operating state always, in the process of transportation, storage, can consume the battery lot of energy in vain, therefore need to control by extraneous equipment the break-make of electronic equipment power source.In order to save the electric energy of battery, prior art adopts the magnetic control tongue tube that the power supply of airtight electronic equipment is controlled, but because the interference of factors such as electronic equipment is vulnerable to shake in transportation, the process that stores, external magnetic field, may make the contact point of tongue tube produce unexpected break-make, airtight electronic equipment battery electric quantity before use just may be consumed.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: a kind of airtight electronic equipment power source switching system is provided, and it can reduce airtight electronic equipment power consumption to battery under non operating state effectively, and have simple in structure, volume is little, high reliability features.
(2) technical scheme
For addressing the above problem, the invention provides a kind of airtight electronic equipment power source switching system, comprise the power supply remote-controlled launcher for the light signal that airtight electronic equipment is sent its on/off of control, and the power control circuit that is used for controlling according to described light signal the on/off of airtight electronic equipment.
Preferably, described power supply remote-controlled launcher comprises: control unit, keyboard input unit, non-volatile memory cells and light signal transmitter unit; Wherein,
Described keyboard input unit is used for receiving operator's key command and sending to control unit;
Described non-volatile memory cells is used for the corresponding identification code of the airtight electronic equipment of storage;
Described control unit is used for described key command is resolved to control code, reads described identification code, generates check code according to described identification code and control code, and generates the director data signal;
Described light signal transmitter unit comprises semiconductor light sources, and described light signal transmitter unit is converted to current signal with described director data signal and injects semiconductor light sources and emission.
Preferably, described power supply remote-controlled launcher also comprises display unit, is connected with described control unit, is used for the display circuit state information.
Preferably, described power supply remote-controlled launcher also comprises Power Management Unit, be connected with described control unit, the management of energy when being used for carrying out DC power supply conversion, power supply voltage stabilizing and resting state is extracted power supply dump energy information and is sent to described control unit.
Preferably, described keyboard input unit is push-button keyboard.
Preferably, described semiconductor light sources comprises laser diode LD or semiconductor light-emitting-diode LED.
Preferably, described power control circuit comprises:
The power up circuit is for the energy that recovers described light signal;
Photoelectric switching circuit is used for described light signal is converted to the signal of telecommunication;
Signal amplification circuit is used for the described signal of telecommunication is amplified;
Decoding circuit recovers director data signal, identification code, control code and check code for the signal of telecommunication after amplification, and arrives switch driving circuit according to director data signal output switch control signal;
Switch driving circuit is used for according to described switch controlling signal gate-controlled switch being controlled;
Gate-controlled switch is for the on/off of the airtight electronic equipment of control.
Preferably, described gate-controlled switch is solid-state switch.
(3) beneficial effect
Airtight electronic equipment power source switching system of the present invention adopts the power supply remote-controlled launcher to match with power control circuit the power supply of airtight electronic equipment is controlled, the mode that in power control circuit, adopts energy to recover, need not the energy of battery in the airtight electronic equipment of extra consumption, can make the current drain of airtight electronic equipment battery when resting state less than 0.1uA; And the present invention has added check code in optical signal communications, has improved the antijamming capability of system, has guaranteed the reliability of the airtight electronic equipment power source switching system of the present invention.
The power supply control mode of airtight electronic equipment power source switching system has overcome the applied defect of airtight power electronic equipment mode in the past, make electronic equipment under non operating state close to zero-power, and had identical ability to work with former device down in working order, thereby the size and the cost that reduce electronic equipment have been reached, reduce energy consumption, can also be convenient to transportation and the long preservation of system equipment.
Description of drawings
Fig. 1 is the structural representation of power supply remote-controlled launcher described in the embodiment of the present invention;
Fig. 2 is the circuit diagram of power control circuit described in the embodiment of the present invention;
Fig. 3 is the circuit theory diagrams of power up circuit described in the embodiment of the present invention;
Fig. 4 is the circuit theory diagrams of photoelectric switching circuit described in the embodiment of the present invention;
Fig. 5 is the circuit theory diagrams of signal amplification circuit described in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
The invention provides a kind of airtight electronic equipment power source switching system, comprise the power supply remote-controlled launcher for the light signal that airtight electronic equipment is sent its on/off of control, and the power control circuit that is used for controlling according to described light signal the on/off of airtight electronic equipment.
As shown in Figure 1, described power supply remote-controlled launcher comprises: control unit, keyboard input unit, non-volatile memory cells and light signal transmitter unit; Wherein,
Described keyboard input unit is used for receiving operator's key command and sending to control unit, and described keyboard input unit can be push-button keyboard;
Described non-volatile memory cells is used for the corresponding identification code of the airtight electronic equipment of storage;
Described control unit is used for described key command is resolved to control code, reads described identification code, generates check code according to described identification code and control code, and generates the director data signal;
Described light signal transmitter unit comprises semiconductor light sources, and described light signal transmitter unit is converted to current signal with described director data signal and injects semiconductor light sources and emission.Described semiconductor light sources is laser diode LD or semiconductor light-emitting-diode LED.
Described airtight electronic equipment power source switching system also comprises display unit, is connected with described control unit, is used for the display circuit state information.Described airtight electronic equipment power source switching system also comprises Power Management Unit, be connected with described control unit, the management of energy when being used for carrying out DC power supply conversion, power supply voltage stabilizing and resting state is extracted power supply dump energy information and is sent to described control unit.
As shown in Figure 2, described power control circuit comprises:
The power up circuit is for the energy that recovers described light signal;
Photoelectric switching circuit is used for described light signal is converted to the signal of telecommunication;
Signal amplification circuit is used for the described signal of telecommunication is amplified;
Decoding circuit recovers director data signal, identification code, control code and check code for the signal of telecommunication after amplification, and arrives switch driving circuit according to director data signal output switch control signal;
Switch driving circuit is used for according to described switch controlling signal gate-controlled switch being controlled;
Gate-controlled switch is for the on/off of the airtight electronic equipment of control.Described gate-controlled switch can be solid-state switch.
Operation principle of the present invention:
Power supply remote-controlled launcher operation principle: this device adopts powered battery, and it is each circuit module power supply in the remote-controlled launcher that power supply signal is handled the back through Power Management Unit; Control unit is by detecting the button input of keyboard input unit, and control light signal transmitter unit is by semiconductor light sources produce power signal and control signal, for the on/off of controlling airtight electronic equipment provides the energy and control command.
The fundamental diagram of power control circuit such as Fig. 2:
Airtight electronic equipment comprises power control circuit, main operating circuit and battery, and power control circuit is used for the on/off of the airtight electronic equipment of control, and battery is used for providing the power supply of airtight electronic equipment.
After the photodiode of the power control circuit of airtight electronic equipment receives the light signal that comes from the light signal transmitter unit, therefrom recover energy by the power up circuit, and to other module for power supply, simultaneously recover the signal of telecommunication by photoelectric switching circuit and give amplifying circuit, the identification code that signal after the amplification recovers by decoding circuit, control code and check code, according to command content, output switch control signal is to switch driving circuit, by switch driving circuit gate-controlled switch is controlled, realized the control to main operating circuit on/off.When the control signal order that comes from the light signal transmitter unit that receives when the photodiode of power control circuit is dormancy, decoding circuit disconnects by switch driving circuit control gate-controlled switch, power supply is not powered to main circuit, main circuit is in off-position, current drain has only the dark current of photodiode, less than 0.1uA.The control signal order that comes from the light signal transmitter unit that receives when the photodiode of power control circuit is when opening, and decoding circuit is by switch driving circuit control gate-controlled switch closure, and power supply is powered to main circuit, and main circuit is in running order.
The power up circuit as shown in Figure 3, resistance is R0, the voltage Vled that recovers is Im*R0.Photodiode can produce a little electric current that is directly proportional with illumination when being subjected to illumination, the normally several skins of this electric current are pacified to hundreds of microamperes, and this moment, photodiode was equivalent to a constant-current source, and is little with the external parameter relation.As photodiode 2CU2023, under illumination 300Lx, the photoelectric current of generation is 60uA, and parallel resistance is 550K, and the voltage that recovers is 3.3V.This direct voltage dashes charging to large bulk capacitance C0, for signal amplification circuit, decoding circuit and switch driving circuit provide voltage.
The circuit theory diagrams of photoelectric switching circuit as shown in Figure 4.Vdd is the cell voltage of airtight electronic equipment among the figure, and R1 and photodiode are connected in series, and Uo is output voltage.When illumination, photodiode produces photoelectric current, as selects photodiode 2DU1B for use, and resistance R 1 resistance is 50 Europe, and when illumination was 1000lx, photoelectric current was 20mA, and Vo voltage is 1V.Therefore the dark current of 2DU1B is not having under the situation of illumination less than 0.1uA, and Vo voltage is less than 5uV.
The circuit theory diagrams of signal amplification circuit as shown in Figure 5, wherein, operational amplifier U1 and resistance R 1, R2 constitute negative feedback amplifier circuit, the voltage of Vi after negative feedback is amplified is Vo, its value is-(R2/R1) * Vi.
Decoding circuit receives from the signal of signal amplification circuit and demodulates identification code, control code and check code, and according to the judged result to described identification code, control code and check code, the control signal that output and described switch are complementary; Decoding circuit can realize that key is to satisfy the logical relation of setting by conventional digital circuit; Be that decoding circuit is at first decoded to photoelectric switching circuit output ground control command, what judgement will be carried out is to be communicated with or cut-off signals, exports corresponding control signal to switch driving circuit then.
Switch driving circuit receives the control signal that comes from decoding circuit, the control signal that output and gate-controlled switch are complementary, and this drive circuit can be that voltage-type drives, and also can be that current mode drives;
Gate-controlled switch is used for connecting supplying cell and main operating circuit, controls its break-make by switch driving circuit.The gate-controlled switch circuit can be realized that the one end connects supplying cell by ghyristor circuit, and the other end connects main operating circuit.
Above execution mode only is used for explanation the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (8)
1. airtight electronic equipment power source switching system, it is characterized in that, comprise the power supply remote-controlled launcher for the light signal that airtight electronic equipment is sent its on/off of control, and the power control circuit that is used for controlling according to described light signal the on/off of airtight electronic equipment.
2. airtight electronic equipment power source switching system as claimed in claim 1 is characterized in that, described power supply remote-controlled launcher comprises: control unit, keyboard input unit, non-volatile memory cells and light signal transmitter unit; Wherein,
Described keyboard input unit is used for receiving operator's key command and sending to control unit;
Described non-volatile memory cells is used for the corresponding identification code of the airtight electronic equipment of storage;
Described control unit is used for described key command is resolved to control code, reads described identification code, generates check code according to described identification code and control code, and generates the director data signal;
Described light signal transmitter unit comprises semiconductor light sources, and described light signal transmitter unit is converted to current signal with described director data signal and injects semiconductor light sources and emission.
3. airtight electronic equipment power source switching system as claimed in claim 2 is characterized in that, also comprises display unit, is connected with described control unit, is used for the display circuit state information.
4. as claim 2 or 3 described airtight electronic equipment power source switching systems, it is characterized in that, also comprise Power Management Unit, be connected with described control unit, the management of energy when being used for carrying out DC power supply conversion, power supply voltage stabilizing and resting state is extracted power supply dump energy information and is sent to described control unit.
5. airtight electronic equipment power source switching system as claimed in claim 2 is characterized in that, described keyboard input unit is push-button keyboard.
6. airtight electronic equipment power source switching system as claimed in claim 2 is characterized in that, described semiconductor light sources comprises laser diode LD or semiconductor light-emitting-diode LED.
7. airtight electronic equipment power source switching system as claimed in claim 1 is characterized in that described power control circuit comprises:
The power up circuit is for the energy that recovers described light signal;
Photoelectric switching circuit is used for described light signal is converted to the signal of telecommunication;
Signal amplification circuit is used for the described signal of telecommunication is amplified;
Decoding circuit recovers director data signal, identification code, control code and check code for the signal of telecommunication after amplification, and arrives switch driving circuit according to director data signal output switch control signal;
Switch driving circuit is used for according to described switch controlling signal gate-controlled switch being controlled;
Gate-controlled switch is for the on/off of the airtight electronic equipment of control.
8. airtight electronic equipment power source switching system as claimed in claim 7 is characterized in that, described gate-controlled switch is solid-state switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104522505A CN103187959A (en) | 2011-12-29 | 2011-12-29 | Closed electronic device power source switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104522505A CN103187959A (en) | 2011-12-29 | 2011-12-29 | Closed electronic device power source switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103187959A true CN103187959A (en) | 2013-07-03 |
Family
ID=48678946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104522505A Pending CN103187959A (en) | 2011-12-29 | 2011-12-29 | Closed electronic device power source switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103187959A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617082Y (en) * | 2003-04-30 | 2004-05-19 | 石大勤 | Passive electronic controller |
| EP1672796A2 (en) * | 2004-12-14 | 2006-06-21 | Sen-Tien Shih | Optical proximity switch |
| CN101639975A (en) * | 2008-03-14 | 2010-02-03 | 清华大学 | Wireless switch device and system and communication control method thereof |
-
2011
- 2011-12-29 CN CN2011104522505A patent/CN103187959A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2617082Y (en) * | 2003-04-30 | 2004-05-19 | 石大勤 | Passive electronic controller |
| EP1672796A2 (en) * | 2004-12-14 | 2006-06-21 | Sen-Tien Shih | Optical proximity switch |
| CN101639975A (en) * | 2008-03-14 | 2010-02-03 | 清华大学 | Wireless switch device and system and communication control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105516686A (en) | Power-saving image pick-up device, intelligent door viewer and network camera | |
| CN107591859B (en) | Wireless charging receiving controller protection method and device | |
| CN104050740A (en) | Photoelectric key door lock device | |
| CN105656464A (en) | Off-delay type relay output circuit | |
| CN102800182A (en) | Wireless transceiving module and inverter system thereof | |
| CN201752055U (en) | Remote power socket | |
| US20180023774A1 (en) | Photovoltaic system and method for utilizing energy of light emitted by light fixture | |
| CN206293968U (en) | The automatic switch-over circuit that battery is powered with externally fed | |
| CN103187959A (en) | Closed electronic device power source switching system | |
| CN104159358A (en) | Electric torch drive circuit and mobile terminal | |
| AU2010226870A1 (en) | A charging circuit | |
| CN103631159A (en) | Electronic device, electronic system and operation method thereof | |
| CN203134110U (en) | Ceiling lamp type intelligent charging voice remote controller | |
| CN205452170U (en) | Relay drive circuit of battery management system of electric automobile | |
| CN201656184U (en) | Special intelligent energy-saving socket for computers | |
| CN202904281U (en) | Door opening/closing state detecting device | |
| CN202495147U (en) | Wireless remote control device with low-voltage alarm circuit | |
| CN201163725Y (en) | Main and standby power self-switching device | |
| CN201994695U (en) | Power supply circuit | |
| CN201084268Y (en) | An electric window-opening remote-control device | |
| CN204833328U (en) | Property personnel management system based on thing networking | |
| CN205265648U (en) | Outage time lagged type relay output circuit | |
| CN107993357A (en) | A kind of intelligent gas meter system that data are read easy to data center | |
| CN203149024U (en) | Battery under-voltage alarm device | |
| CN201879410U (en) | Mailbox device with wireless reminding function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130703 |