CN200987080Y - Solar energy notebook computer power supply device - Google Patents
Solar energy notebook computer power supply device Download PDFInfo
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- CN200987080Y CN200987080Y CN 200620032693 CN200620032693U CN200987080Y CN 200987080 Y CN200987080 Y CN 200987080Y CN 200620032693 CN200620032693 CN 200620032693 CN 200620032693 U CN200620032693 U CN 200620032693U CN 200987080 Y CN200987080 Y CN 200987080Y
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Abstract
The utility model relates to a solar-powered device of portable computer, comprising a control box of charging, a solar panel connecting the control box of charging, a batteries group, a battery charging circuit, a voltage stabilizing circuit of single-chip switch and a selection and control circuit of charging. One current circuit from the cathode of the solar panel passes through the voltage stabilizing circuit of single-chip switch, connects the detection terminal of U2 status in the selection and control circuit of charging after output from the chip U1 of voltage stabilization, then supply power to the portable computer by the selection of the voltage stabilizing circuit of single-chip switch from U2. The other circuit passes through the battery charging circuit and supply power to the battery group for charging by controlling from U3 in the battery charging circuit. When there is no solar, U2 selects the battery group to supply power for the portable computer. The utility model utilize the solar to supply power and charge the battery group during the shine of sun, for usage of portable computer in absence of sunlight, so as to effectively saves energy, has good practical value and suitable for wide application due to application on the countryside or other no commercial power for the portable computer.
Description
One, technical field:
The utility model relates to a kind of notebook computer electric supply installation, particularly relates to a kind of notebook computer electric supply installation that utilizes solar energy and rechargeable battery to combine.
Two, background technology:
In the past, notebook computer is business people's an identity symbol, and that hold notebook computer turnover business talks place all is a little successful business people, but you can see now, student, company clerk, or even the housewife can both use notebook computer to enjoy life like a cork.These show that all the variation on technology and the price makes the sales volume of notebook open, and traditional notebook computer not only is confined to industry and commerce and uses, and begin to turn to aspect such as home entertaining.In addition, notebook computer also more meets ergonomic designs, allows the user feel more and more comfortable and convenience.The insider analyzes, and this trend is more obvious afterwards.
But make notebook computer realize the practicality that moves freely veritably, also must solve a battery problems, the battery of notebook computer uses very short time just not have electricity at present, if solar cell and rechargeable battery are organically combined, the electric supply installation of forming a notebook computer, notebook computer is worked under the situation of no civil power for a long time, even need not use mains-supplied again, the application of notebook computer will be general greatly like this.But the storage battery that is applied at present on the notebook computer does not possess function of solar charging, does not possess with the standby situation of solar charging battery yet.
Three, utility model content:
The utility model is to overcome the deficiency that prior art exists, and designs and produce a kind of solar notebook computer electric supply installation.
Technical scheme:
A kind of solar notebook computer electric supply installation, contain the charging control cabinet, the solar panel that is connected with the charging control cabinet, be installed in the charging control cabinet and the batteries that links to each other with control circuit board, and the battery charger on the control circuit board, control circuit is selected in single-chip switching voltage-stabilized power supply circuit and charging, control circuit board be installed in the charging control cabinet after batteries is connected in, solar panel is by the both positive and negative polarity corresponding connection of charging control cabinet interface with control circuit board, the electric current that the solar panel positive pole sends is leaded up to the input pin input of voltage stabilizing chip U1 in the single-chip switching voltage-stabilized power supply circuit, output pin output by U1 after this circuit voltage stabilizing connects the outputs state detection end that charging selects to select in the control circuit control chip U2, selects MOSFET or triode and peripheral circuit to drive output control single-chip switching voltage-stabilized power supply circuit by U2 again and directly powers to notebook computer; Another road by the drive output control charging input switch of U3, is a battery charging to keep low forward voltage drop by the outside DC power supply input pin input of the charge controller U3 in the battery charger then; When not having light source, when promptly solar panel was not worked, selecting batteries by U2 driven MOS FET or triode and peripheral circuit in the charging selection control circuit was that notebook computer is powered.
Described voltage stabilizing chip U1 is L4960, selecting control chip U2 is bq24700, charge controller U3 is LTC4008, solar cell is anodal to be connected with the input pin INPUT of chip L49600, the output pin OUTPUT of L49600 is connected with the state-detection end ACDET that selects control chip BQ24700 by series resistor, the ACDET end is connected with ground by series resistor, the battery supply of bq24700 selects output BATDRV to be connected with the grid of MOSFET pipe VT5, the output pin OUTPUT of chip L49600 is connected with the source electrode of VT5 after connecting inductance coil L, and the drain electrode of VT5 is connected with the output cathode of device; The solar cell positive pole is connected with the outside DC battery input pin DCIN of the charge controlling chip TC4008 of battery charger, the grid of the drive output INFET driven MOS FET pipe VT3 of LTC4008, the drain electrode of VT3 is connected with solar panel is anodal, the source electrode of VT3 is connected with lithium ion cell positive, and be connected with the drain electrode of MOSFET pipe VT4 simultaneously, the grid of VT4 selects output terminals A CDRV to be connected with the power supply of bq24700, and the source electrode of VT4 is connected with the output cathode of device; The negative pole of solar panel is connected with the output negative pole of device.Described constant current, constant cell charge controller LTC4008, when the lithium ion battery group is charged, when DC input voitage is higher than the voltage of CLP end, the logic index signal that charger makes the internal circuit of DCIN end provide solar panel to exist on the ACP/SHDN end, and by the grid voltage of INFET foot control system charging input switch VT3, so that VT3 keeps low forward voltage drop to be the charging of lithium ion battery group, stop reverse current to pass through VT3 simultaneously, along with lithium ion cell charging voltage near final voltage, charging current begins to reduce, when electric current reduce to full charging stream 10% the time, comparator in this chip is by locking FLAG end output low level, enter the constant voltage charge state with the indication lithium ion battery, when the ACP/SHDN end is low level, charging process finishes, and when charging current reduces power consumption owing to the restriction of input current, the ICL terminal potential will be dragged down to indicate this state, when solar panel is not worked, charger enters sleep pattern, only consume the battery pack current of 15uA this moment, a thermistor is connected between LTC4008 and the ground, is used for monitoring battery or ambient temperature; Control circuit is selected in described charging, U2 is bq24700, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Described solar notebook computer electric supply installation, described voltage stabilizing chip U1 is L4960, selecting control chip U2 is bq24700, U3 in the battery charger is a quick charge managing chip MAX713 series, programme by simple pin voltage configuration, realization is to storage battery quantity and the control of maximum charge time, MAX713 carries out trickle charge with the speed of C/16 when charging has just begun, Ni-MH battery group voltage begins to rise, after single-unit Ni-MH battery voltage rises to 0.4V, begin to charge normal, the voltage of Ni-MH battery group and temperature continue to rise, it is constant that charging current remains on set point, when the Ni-MH battery group charges into after electric weight reaches rated value, the voltage of Ni-MH battery group begins to descend, be that du/dt is a negative value, this moment, system transferred trickle charge to by charging normal, this moment, the voltage of Ni-MH battery group continued to descend, remain unchanged when dropping to certain value, the temperature of Ni-MH battery group also decreases, and just is transformed into by trickle charge then to charge normal, and controls charged state automatically according to the result who detects, guaranteeing that Ni-MH battery is without prejudice, and guarantee that battery pack is full of; Control circuit is selected in described charging, U2 is bq24700, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Described solar notebook computer electric supply installation, U3 and U2 are same bq2700 with battery charging management function, the voltage of solar panel output is received the ACDET pin of bq2700 behind electric resistance partial pressure, when this pin voltage is lower than 1.2V, bq24700 judges solar panel power output deficiency, system switches to battery-powered, and enter the bq24700 park mode, bq24700 is recharged these three parameters of output current of the voltage and the solar panel of battery by detection, finish the closed-loop control of battery charge, be connected on the resistance R 15 in solar panel output loop and the battery charge loop, R25, provide battery charge to detect data for respectively two mutual conductance error amplifiers, being recharged cell voltage provides the detection that is recharged cell voltage data for the 3rd mutual conductance error amplifier after the dividing potential drop sampling, be used for simultaneously whether rechargeable battery is reached end of charge voltage, only after the ACDET pin is the stable voltage of high level and the output of Vref pin, the SRN pin just can be exported high level, to being recharged batteries charging, when the solar panel output voltage is undesired, and when the ACPRES pin of bq24700 is output as low level, main control circuit must send and make pin ENABLE is low level control signal, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Described solar notebook computer electric supply installation, batteries are the lithium ion battery group, or are the Ni-MH battery group.
The beneficial effects of the utility model:
1, solar notebook computer electric supply installation of the present utility model, utilize solar energy directly to be the notebook computer power supply by day for the energy, simultaneously can utilize solar energy is the standby lithium ion or the battery charging of Ni-MH battery group, in order to not having to use effective energy savings under the situation of light source.
2, solar notebook computer electric supply installation of the present utility model, the associating electric supply installation that utilizes solar energy to combine with rechargeable battery, do not having under the situation of sunlight, standby lithium ion or Ni-MH battery group can be powered for a long time for notebook computer, and do not have under the situation of light source power supply continuously fully at night more than 10 hours.
3, solar notebook computer electric supply installation of the present utility model in charging circuit, by the restriction of input current, can reduce charging current automatically, thus the protection solar panel; Polyphone input metal-oxide-semiconductor also can prevent the reverse current discharge, plays the effect of protection solar panel.All chargers all have the shutoff input pin, if solar panel does not have electric current output, charger can separate voltage feedback paths and close unwanted internal integrated circuit, thereby the reverse battery leakage current is reduced, a thermistor can also be installed be used for monitoring battery or ambient temperature.
4, solar notebook computer electric supply installation of the present utility model, be applicable in the open air or other no civil power situations under the notebook computer powerup issue, have better practical value, be convenient to promotion and implementation.
Four, description of drawings:
Fig. 1: one of solar notebook computer power supply circuit;
Fig. 2: charging control cabinet structural representation;
Fig. 3: solar notebook computer electric supply installation syndeton schematic diagram;
Fig. 4: two of solar notebook computer power supply circuit;
Fig. 5: three of solar notebook computer power supply circuit;
Fig. 6: four of solar notebook computer power supply circuit.
Five, specific embodiments:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3,3 for connecting lead among the figure, control circuit board 201 be installed in charging control cabinet 2 after batteries 202 is connected in, solar panel 1 is connected with control circuit board 201 by charging control cabinet 2 interfaces, the electric current that solar panel 1 positive pole sends is leaded up to the INPUT pin input of voltage stabilizing chip L4906 in the single-chip switching voltage-stabilized power supply circuit, OUTPUT pin output by L4906 after this circuit voltage stabilizing connects the outputs state detection end ACDET that selects control chip bq24700 in the charging selection control circuit, and the selection MOSFET by bq24700 drives output control single-chip switching voltage-stabilized power supply circuit directly to notebook computer 4 power supplies again;
Another road is by the DCIN pin input of the constant current in the battery charger, constant cell charge controller LTC4008, by the grid voltage of the INFET foot control system of LTC4008 charging input switch VT3, be the charging of lithium ion battery group then so that VT3 keeps low forward voltage drop.Described battery charger, when the lithium ion battery group is charged, when DC input voitage is higher than the voltage of CLP end, the logic index signal that charger makes the internal circuit of DCIN end provide solar panel to exist on the ACP/SHDN end, and by the grid voltage of INFET foot control system charging input switch VT3, so that VT3 keeps low forward voltage drop is lithium ion or the charging of Ni-MH battery group, stop reverse current to pass through VT3 simultaneously, along with lithium ion or Ni-MH battery charging voltage near final voltage, charging current begins to reduce, when electric current reduce to full charging stream 10% the time, comparator in this chip is by locking FLAG end output low level, enter the constant voltage charge state with indication lithium ion or Ni-MH battery, when the ACP/SHDN end is low level, charging process finishes, and when charging current reduces power consumption owing to the restriction of input current, the ICL terminal potential will be dragged down to indicate this state, when solar panel is not worked, charger enters sleep pattern, only consume the battery pack current of 15uA this moment, a thermistor is connected between LTC4008 and the ground, is used for monitoring battery or ambient temperature.
Control circuit is selected in described charging, and when not having light source, when promptly solar panel was not worked, selecting the ACDRV pin of bq24700 in the control circuit to select the lithium ion battery group by charging was that notebook computer charges.When solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects rechargeable battery, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Embodiment two: the U3 in the battery charger is a quick charge managing chip MAX713 series, programme by simple pin voltage configuration, realization is to storage battery quantity and the control of maximum charge time, MAX713 carries out trickle charge with the speed of C/16 when charging has just begun, Ni-MH battery group voltage begins to rise, after single-unit Ni-MH battery voltage rises to 0.4V, begin to charge normal, the voltage of Ni-MH battery group and temperature continue to rise, it is constant that charging current remains on set point, when the Ni-MH battery group charges into after electric weight reaches rated value, the voltage of Ni-MH battery group begins to descend, and promptly du/dt is a negative value, this moment, system transferred trickle charge to by charging normal, this moment, the voltage of Ni-MH battery group continued to descend, and remained unchanged when dropping to certain value, and the temperature of Ni-MH battery group also decreases, just be transformed into then and charge normal by trickle charge, automatically control charged state according to the result who detects, be without prejudice to guarantee Ni-MH battery, and guarantee that battery pack is full of; Control circuit is selected in described charging, U2 is bq24700, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Embodiment three: referring to Fig. 2, Fig. 3, Fig. 5, number identical with embodiment one, same meaning, do not repeat, different is: U3 and U2 are same bq2700 with battery charging management function, the voltage of solar panel output is received the ACDET pin of bq2700 behind electric resistance partial pressure, when this pin voltage is lower than 1.2V, bq24700 judges solar panel power output deficiency, system switches to battery-powered, and enter the bq24700 park mode, bq24700 is recharged these three parameters of output current of the voltage and the solar panel of battery by detection, finish the closed-loop control of battery charge, be connected on the resistance R 15 in solar panel output loop and the battery charge loop, R25, provide battery charge to detect data for respectively two mutual conductance error amplifiers, being recharged cell voltage provides the detection that is recharged cell voltage data for the 3rd mutual conductance error amplifier after the dividing potential drop sampling, be used for simultaneously whether rechargeable battery is reached end of charge voltage, only after the ACDET pin is the stable voltage of high level and the output of Vref pin, the SRN pin just can be exported high level, to being recharged batteries charging, when the solar panel output voltage is undesired, and when the ACPRES pin of bq24700 is output as low level, main control circuit must send and make pin ENABLE is low level control signal, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
Embodiment four: referring to Fig. 2, Fig. 3, Fig. 6, number identical with embodiment three, same meaning, do not repeat, different is: the MOSFET that U2 selects changes into triode and interlock circuit, drives output control single-chip switching voltage-stabilized power supply circuit with triode and interlock circuit and directly powers to notebook computer; When not having light source, when promptly solar panel is not worked, select U2 selects in the control circuit MOSFET to change into triode and interlock circuit by charging and drive output to select batteries be that notebook computer is powered.
Claims (5)
1, a kind of solar notebook computer electric supply installation, contain the charging control cabinet, the solar panel that is connected with the charging control cabinet, be installed in the charging control cabinet and the batteries that links to each other with control circuit board, and the battery charger on the control circuit board, control circuit is selected in single-chip switching voltage-stabilized power supply circuit and charging, it is characterized in that: control circuit board be installed in the charging control cabinet after batteries is connected in, solar panel is by the both positive and negative polarity corresponding connection of charging control cabinet interface with control circuit board, the electric current that the solar panel positive pole sends is leaded up to the input pin input of voltage stabilizing chip U1 in the single-chip switching voltage-stabilized power supply circuit, output pin output by U1 after this circuit voltage stabilizing connects the outputs state detection end that charging selects to select in the control circuit control chip U2, selects MOSFET or triode and peripheral circuit to drive output control single-chip switching voltage-stabilized power supply circuit by U2 again and directly powers to notebook computer; Another road by the drive output control charging input switch of U3, is a battery charging to keep low forward voltage drop by the outside DC power supply input pin input of the charge controller U3 in the battery charger then; When not having light source, when promptly solar panel was not worked, selecting batteries by U2 driven MOS FET or triode and peripheral circuit in the charging selection control circuit was that notebook computer is powered.
2, solar notebook computer electric supply installation according to claim 1, it is characterized in that: described voltage stabilizing chip U1 is L4960, selecting control chip U2 is bq24700, charge controller U3 is LTC4008, solar cell is anodal to be connected with the input pin INPUT of chip L49600, the output pin OUTPUT of L49600 is connected with the state-detection end ACDET that selects control chip BQ24700 by series resistor, the ACDET end is connected with ground by series resistor, the battery supply of bq24700 selects output BATDRV to be connected with the grid of MOSFET pipe VT5, the output pin OUTPUT of chip L49600 is connected with the source electrode of VT5 after connecting inductance coil L, and the drain electrode of VT5 is connected with the output cathode of device; The solar cell positive pole is connected with the outside DC battery input pin DCIN of the charge controlling chip TC4008 of battery charger, the grid of the drive output INFET driven MOS FET pipe VT3 of LTC4008, the drain electrode of VT3 is connected with solar panel is anodal, the source electrode of VT3 is connected with lithium ion cell positive, and be connected with the drain electrode of MOSFET pipe VT4 simultaneously, the grid of VT4 selects output terminals A CDRV to be connected with the power supply of bq24700, and the source electrode of VT4 is connected with the output cathode of device; The negative pole of solar panel is connected with the output negative pole of device.
3, solar notebook computer electric supply installation according to claim 1 is characterized in that: described voltage stabilizing chip U1 is L4960, and selecting control chip U2 is bq24700, and the U3 in the battery charger is a quick charge managing chip MAX713 series.
4, solar notebook computer electric supply installation according to claim 1, it is characterized in that: U3 and U2 are same bq2700 with battery charging management function, the voltage of solar panel output is received the ACDET pin of bq2700 behind electric resistance partial pressure, when this pin voltage is lower than 1.2V, bq24700 judges solar panel power output deficiency, system switches to battery-powered, and enter the bq24700 park mode, bq24700 is recharged these three parameters of output current of the voltage and the solar panel of battery by detection, finish the closed-loop control of battery charge, be connected on the resistance R 15 in solar panel output loop and the battery charge loop, R25, provide battery charge to detect data for respectively two mutual conductance error amplifiers, being recharged cell voltage provides the detection that is recharged cell voltage data for the 3rd mutual conductance error amplifier after the dividing potential drop sampling, be used for simultaneously whether rechargeable battery is reached end of charge voltage, only after the ACDET pin is the stable voltage of high level and the output of Vref pin, the SRN pin just can be exported high level, to being recharged batteries charging, when the solar panel output voltage is undesired, and when the ACPRES pin of bq24700 is output as low level, main control circuit must send and make pin ENABLE is low level control signal, when solar panel is working properly, the ACP pin output high level of LTC4008, otherwise output low level, the solar panel output voltage is delivered to the ACDET pin of bq24700 after the electric resistance partial pressure sampling, realize the purpose that the solar panel output voltage detects, simultaneously, with this electric resistance partial pressure sampling voltage and internal reference voltage ratio, when the ACDET pin voltage is lower than internal reference voltage, judge that the solar panel output voltage is undesired, promptly there is not light source, this moment, the ACPRES pin became low level, ACDRV pin output high level, BATDRV pin output low level, it is the notebook computer power supply that bq2700 selects charging accumulator, if it is normal that the solar panel output voltage recovers, then the ACP pin of LTC4008 becomes high level, the ACDRV pin output low level of bq2700, it is the notebook computer power supply that BATDRV pin output high level, bq2700 recover solar panel.
5, solar notebook computer electric supply installation according to claim 1 is characterized in that: batteries is the lithium ion battery group, or is the Ni-MH battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032693 CN200987080Y (en) | 2006-09-29 | 2006-09-29 | Solar energy notebook computer power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032693 CN200987080Y (en) | 2006-09-29 | 2006-09-29 | Solar energy notebook computer power supply device |
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| CN200987080Y true CN200987080Y (en) | 2007-12-05 |
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| CN 200620032693 Expired - Fee Related CN200987080Y (en) | 2006-09-29 | 2006-09-29 | Solar energy notebook computer power supply device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149082A1 (en) * | 2009-06-25 | 2010-12-29 | Luo Jin | Solar notebook computer |
| CN102609068A (en) * | 2012-01-20 | 2012-07-25 | 李涛 | Computer system power management control method and device based on solar energy |
| CN110212613A (en) * | 2019-06-28 | 2019-09-06 | 深圳市锐明技术股份有限公司 | A kind of charge control switching circuit and charge control switching method |
| CN110474417A (en) * | 2019-07-18 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of power-supply system of encoder |
| CN113014773A (en) * | 2021-03-02 | 2021-06-22 | 山东鲁能软件技术有限公司智能电气分公司 | Overhead line video visual monitoring system and method |
| CN116938081A (en) * | 2023-07-20 | 2023-10-24 | 德州科辉太阳能有限公司 | Solar mobile power supply |
-
2006
- 2006-09-29 CN CN 200620032693 patent/CN200987080Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010149082A1 (en) * | 2009-06-25 | 2010-12-29 | Luo Jin | Solar notebook computer |
| CN102609068A (en) * | 2012-01-20 | 2012-07-25 | 李涛 | Computer system power management control method and device based on solar energy |
| CN110212613A (en) * | 2019-06-28 | 2019-09-06 | 深圳市锐明技术股份有限公司 | A kind of charge control switching circuit and charge control switching method |
| CN110474417A (en) * | 2019-07-18 | 2019-11-19 | 珠海格力电器股份有限公司 | A kind of power-supply system of encoder |
| CN110474417B (en) * | 2019-07-18 | 2022-01-14 | 珠海格力电器股份有限公司 | Power supply system of encoder |
| CN113014773A (en) * | 2021-03-02 | 2021-06-22 | 山东鲁能软件技术有限公司智能电气分公司 | Overhead line video visual monitoring system and method |
| CN113014773B (en) * | 2021-03-02 | 2023-08-01 | 山东鲁软数字科技有限公司智慧能源分公司 | Video visualization monitoring system and method for overhead line |
| CN116938081A (en) * | 2023-07-20 | 2023-10-24 | 德州科辉太阳能有限公司 | Solar mobile power supply |
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