CN204349564U - Solar recharging all-in-one - Google Patents
Solar recharging all-in-one Download PDFInfo
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- CN204349564U CN204349564U CN201420674027.4U CN201420674027U CN204349564U CN 204349564 U CN204349564 U CN 204349564U CN 201420674027 U CN201420674027 U CN 201420674027U CN 204349564 U CN204349564 U CN 204349564U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model relates to solar recharging all-in-one.Solve charge efficiency low, all-in-one holds flimsy problem, technical scheme is: storage battery is electrically connected with electrical equipment on battery detector and time delay by battery reverse connecting protection device, the control end of battery reverse connecting protection device is connected with photovoltaic charger, battery detector is electrically connected with photovoltaic charger, the output of battery reverse connecting protection device is connected with the input of electrical equipment in time delay, in time delay, the output of electrical equipment is connected with the input of boost module, the control end of boost module drives with boosting CPU and is connected, the output of boost module is connected with the input of inversion module, inversion CPU drives and is electrically connected with the control end of inversion module, the output of inversion module is electrically connected with inversion output module, inversion output module is connected with the input of electric current and voltage sampling module, the control end of electric current and voltage sampling module is connected with the output of electrical equipment in time delay, the output of electric current and voltage sampling module is electrically connected with display module.This practical efficiency is high, long service life.
Description
Technical field
This practicality is a kind of solar recharging, and reverse connection of accumulator is protected, and input voltage, the all-in-one that output voltage and power show, particularly relating to a kind of efficiency about 95%, can decrease the solar recharging all-in-one of the caloric value of machine.
Background technology
Photovoltaic charged conventional inverter metal-oxide-semiconductor is driven by PWM; due to internal resistance and the switching loss of metal-oxide-semiconductor; make the efficiency of solar recharging can only about 80%; conventional inverter is no-man's-land in battery reversal connection and arc protection in high-power inverter always, and little producer goes process reverse connecting protection and arc protection function.Machine intimate capacitance short-circuit after inverter reversal connection, sometimes can be on fire from explosion, connector lug also can be burnt out by electric arc, exactly when not having reversal connection normally to use, due to the input of power supply in inverter, very large filter capacitor has been installed in inside, machine is larger, the capacity of electric capacity is also larger, when using for the first time, when power input line access inverter power supply port, due to the charge effects of filter capacitor, very large arc spark can be produced, sometimes binding post can be burnt out, bring harm also to inverter user.
China Patent Publication No.: CN1149785A, publication date on May 14th, 1997, disclose a kind of inverter, comprise input rectifier, input filter, output rectifier and output filter, between described input filter and output rectifier, be connected to the convertor circuit be made up of electronic switch and two elementary intermediate frequency transformer; The intermediate frequency transformer B that described convertor circuit comprises 4 electronic switch S1 ~ S4,8 diode D1 ~ D8,2 uptake pathway R1C1, R2C2 and is made up of 2 armature windings N1, N2 and N number of secondary winding; The positive pole of the upper termination power of described switch S 1, the lower end of S1 connects the left end of R1 in the negative electrode of diode D1, the anode of D5, the upper end of transformer B armature winding N1 and uptake pathway R1C1 respectively, the negative electrode of diode D5 and D2 connects the positive pole of power supply respectively, the anode of diode D2 connects the right-hand member of C1 in the upper end of switch S 2, the negative electrode of diode D6, the lower end of transformer B armature winding N1, uptake pathway R1C1 respectively, and the anode of the anode of diode D1, the lower end of switch S 2, diode D6 connects the negative pole of power supply respectively; The positive pole of the upper termination power of described switch S 3, the lower end of S3 connects the left end of R2 in the negative electrode of diode D3, the anode of D7, the lower end of transformer B armature winding N2, uptake pathway R2C2 respectively, the negative electrode of diode D7 and D4 connects the positive pole of power supply respectively, the anode of diode D4 connects the right-hand member of C2 in the upper end of switch S 4, the negative electrode of diode D8, the upper end of transformer B armature winding N2, uptake pathway R2C2 respectively, and the anode of the anode of diode D3, the lower end of switch S 4, diode D8 connects the negative pole of power supply respectively.This technical scheme like the prior art; photovoltaic charged conventional inverter metal-oxide-semiconductor is driven by PWM; due to internal resistance and the switching loss of metal-oxide-semiconductor; make the efficiency of solar recharging can only about 80%; conventional inverter is no-man's-land in battery reversal connection and arc protection in high-power inverter always, and little producer goes process reverse connecting protection and arc protection function.Machine intimate capacitance short-circuit after inverter reversal connection, sometimes can be on fire from explosion, connector lug also can be burnt out by electric arc, exactly when not having reversal connection normally to use, due to the input of power supply in inverter, very large filter capacitor has been installed in inside, machine is larger, the capacity of electric capacity is also larger, when using for the first time, when power input line access inverter power supply port, due to the charge effects of filter capacitor, very large arc spark can be produced, sometimes binding post can be burnt out, bring harm also to inverter user.
Practical content
This practical purpose has that charge efficiency is low, all-in-one holds flimsy problem for solving current technical scheme, provides a kind of efficiency about 95%, can decrease the all-in-one of the caloric value of machine.
The technical scheme that its technical problem of this practicality solution adopts is: a kind of all-in-one, comprise solar energy photovoltaic panel, photovoltaic panel reverse connecting protection device, photovoltaic charger, charge indicator, battery reverse connecting protection device, storage battery, battery detector, electrical equipment in time delay, electric current and voltage sampling module, display module, inversion output module, inversion module, inversion CPU drives, boosting CPU drives and boost module, storage battery is electrically connected with electrical equipment on battery detector and time delay by battery reverse connecting protection device, the control end of battery reverse connecting protection device is connected with photovoltaic charger, the output of photovoltaic charger is connected with charge indicator, solar energy photovoltaic panel is connected with photovoltaic charger by photovoltaic panel reverse connecting protection device, battery detector is electrically connected with photovoltaic charger, the output of battery reverse connecting protection device is connected with the input of electrical equipment in time delay, in time delay, the output of electrical equipment is connected with the input of boost module, the control end of boost module drives with boosting CPU and is connected, the output of boost module is connected with the input of inversion module, inversion CPU drives and is electrically connected with the control end of inversion module, the output of inversion module is electrically connected with inversion output module, inversion output module is connected with the input of electric current and voltage sampling module, the control end of electric current and voltage sampling module is connected with the output of electrical equipment in described time delay, the output of electric current and voltage sampling module is electrically connected with display module.The low internal resistance big current diode of the machine makes switch in relay, and reduce switching loss, relay makees switch, and internal resistance is close to 0 Europe, so efficiency about 95%, can decrease the caloric value of machine.Machine has been made at process reverse connecting protection and arc protection function aspects and has been optimized and improve; machine has used high-current relay in reversal connection, uses unilateal conduction transistor driving, transistor not conducting during battery reversal connection; relay not conducting, machine is no power when reversal connection.Protect the safety of inverter and user, the maximum bright spot of machine, be that machine is when normally using, also the work of no-spark access inverter can be played, electrical equipment in time delay is added in machine, when battery access inverter, high-current relay does not first start, power resistor in battery reversal connection module and resistance R6 is only had to capacitor charging during access, because resistance effect does not just have arc phenomenon, at 1-2S clock after electric capacity is full of fast, it is also without arc contacts here that high-current relay starts, ensure the working life of relay, converter main circuit obtain electric after, machine just can normally work.Photovoltaic panel reverse connecting protection device: protector according to the unilateal conduction characteristic of transistor, positron conducting.Reversal connection not conducting.Photovoltaic charger: according to the automatic regulation voltage of the impedance drop of photovoltaic panel, with internal resistance of cell characteristic, and connects charging firmly with relay, be better than conventional metal-oxide-semiconductor PWM charging method, relay does not have internal resistance loss, also without switching loss so charge efficiency, can 95% be reached.Battery detector: by special AD sampling A/D chip, real-time sampling is followed the tracks of, and detects voltage, protection charging.Battery reverse connecting protection device: protector according to the unilateal conduction characteristic of transistor, positron conducting.Reversal connection not conducting.Start high-current relay work, be better than conventional metal-oxide-semiconductor reverse connecting protection, relay does not have internal resistance loss.Safe and reliable.Electrical equipment in time delay: when time delay powers on; when being used for protecting battery access machine; machine intimate bulky capacitor during binding post contact; power on recoil protection; employ time delay when powering on, with small area analysis to capacitor charging, no-spark requirement when can reach access; the useful life of machine intimate electric capacity is extended, gives guarantee.Boost module: with push-pull circuit, do booster system, to raising the efficiency, and high power work provides guarantee, boosting CPU drives: with Open-closed-loop, control module carrys out work, reduce, no-load loss, then open loop situations is increased work efficiency.Inversion CPU drives: employ SPWM and be added on soft start function.To use capacitive, and the power consumption equipment of inductive load, start and serve good guarantee.Inversion module: by unipolarity, modulator output voltage, decreases inductor loss, starts powerful guarantee to the efficiency improving complete machine.Electric current and voltage sampling module: employ, EMU computing module, measures, output voltage, and rated output, and the error of calculation is less than 1%. reliable and stable.Display module: with LED charactron output display, font is large, shows clear.Be not afraid of high temperature and corrosion.
As preferably, electrical equipment in described time delay, battery reverse connecting protection device coordinates storage battery to form cell anti-reverse connection module, and described cell anti-reverse connection module, comprises loudspeaker LS1, resistance R1, resistance R4, resistance R6, resistance R5, relay K 1, voltage stabilizing didoe D4 and triode Q1 diode D1, diode D7, electric capacity E1, battery positive voltage is successively by loudspeaker LS1, resistance R1 is connected with battery terminal negative with the diode D7 of reversal connection, battery positive voltage exports direct current 12V power supply by the normally opened contact of relay K 2, the normally opened contact of relay K 2 is in parallel with resistance R5, and the positive pole of storage battery is connected with the anode of diode D1, and the negative electrode of diode D1 is by resistance R4, resistance R6 ground connection, the negative electrode of diode D1 is connected with the collector electrode of triode Q1 by the coil of relay K 1, the grounded emitter of triode Q1, the emitter of triode Q1 is connected with the collector electrode of triode Q1 by diode D2, the base stage of triode Q1 is connected with the anode of voltage stabilizing didoe D4, the negative electrode of voltage stabilizing didoe D4 is by electric capacity E4 ground connection, and electric capacity E4 is in parallel with resistance R6.
As preferably, solar energy photovoltaic panel, photovoltaic panel reverse connecting protection device, photovoltaic charger, battery detector and charge indicator connect and compose photovoltaic charged module, and described photovoltaic charged module comprises diode D6, diode D8, voltage stabilizing didoe D5, diode D3, loudspeaker LS2, fuse F1, triode Q2, relay K 2, electric bell U1, integrated chip U2, electric capacity CE2, electric capacity E3, electric capacity C1, resistance R2, resistance R3, resistance R7, resistance R8, resistance R11, resistance R9 and resistance R10, integrated chip U2 are SN8P2711A chip, and the vdd terminal of integrated chip U2 is respectively by electric capacity E3, electric capacity C2 and voltage stabilizing didoe D5 ground connection, the vdd terminal of integrated chip U2 is also connected with the vdd terminal of electric bell U1, the input of electric bell U1 is connected with direct current 12V power supply by resistance R3, the input of electric bell U1 is by electric capacity E2 ground connection, the XOUT end of integrated chip U2 is connected with the negative electrode of diode D6 by resistance R7, the XOUT end of integrated chip U2 is also connected with the emitter of triode Q2 by resistance R11, the base stage of triode Q2 is connected with the emitter of triode Q2 by resistance R7, the grounded emitter of triode Q2, the base stage of triode Q2 is held with the PWM1 of integrated chip U2 by resistance R8 and is connected, the collector electrode of triode Q2 is connected with the negative electrode of diode D3, the collector electrode of triode Q2 is also connected with the negative electrode of diode D6 by the coil of relay K 2, the plus earth of diode D3, the anode of diode D6 is connected with direct current 12V power supply by the normally opened contact of relay K 2, the positive pole of solar energy photovoltaic panel is connected with the anode of diode D6 by fuse F1, the VSS of integrated chip U2 holds ground connection, the P4.0 mouth of integrated chip U2 is connected with charge indicator with P4.4 mouth, the P4.1 mouth of integrated chip U2 is by resistance R10 and electric capacity C1 ground connection, the P4.1 mouth of integrated chip U2 is connected with battery positive voltage by resistance R9, the positive pole of solar energy photovoltaic panel is also successively by fuse F1, loudspeaker LS2, resistance R2 is connected with the negative pole of solar energy photovoltaic panel with the diode D8 of reversal connection.
The substantial effect of this practicality is: efficiency about 95%, can decrease the caloric value of machine.
Accompanying drawing explanation
Fig. 1 is the circuit frame figure of this practicality;
Fig. 2 is the circuit theory diagrams of photovoltaic charged module in this practicality;
Fig. 3 is the circuit theory diagrams of cell anti-reverse connection module in this practicality.
In figure: 1, solar energy photovoltaic panel, 2, photovoltaic panel reverse connecting protection device, 3, boosting CPU drives; 4 inversion CPU drive, and 5, charge indicator, 6, photovoltaic charger; 7, battery detector, 8, boost module, 9, inversion module; 10, inversion output module; 11, storage battery, 12, battery reverse connecting protection device, 13, electrical equipment in time delay; 14, electric current and voltage sampling module, 15, display module.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical scheme of this practicality is described in further detail.
Embodiment:
A kind of all-in-one is (see accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3), comprise solar energy photovoltaic panel 1, photovoltaic panel reverse connecting protection device 2, photovoltaic charger 6, charge indicator 5, battery reverse connecting protection device 12, storage battery 11, battery detector 7, electrical equipment 13 in time delay, electric current and voltage sampling module 14, display module 15, inversion output module 10, inversion module 9, inversion CPU drives 4, boosting CPU drives 3 and boost module 8, storage battery is electrically connected with electrical equipment on battery detector and time delay by battery reverse connecting protection device, the control end of battery reverse connecting protection device is connected with photovoltaic charger, the output of photovoltaic charger is connected with charge indicator, solar energy photovoltaic panel is connected with photovoltaic charger by photovoltaic panel reverse connecting protection device, battery detector is electrically connected with photovoltaic charger, the output of battery reverse connecting protection device is connected with the input of electrical equipment in time delay, in time delay, the output of electrical equipment is connected with the input of boost module, the control end of boost module drives with boosting CPU and is connected, the output of boost module is connected with the input of inversion module, inversion CPU drives and is electrically connected with the control end of inversion module, the output of inversion module is electrically connected with inversion output module, inversion output module is connected with the input of electric current and voltage sampling module, the control end of electric current and voltage sampling module is connected with the output of electrical equipment in described time delay, the output of electric current and voltage sampling module is electrically connected with display module.Electrical equipment in described time delay, battery reverse connecting protection device coordinates storage battery to form cell anti-reverse connection module, and described cell anti-reverse connection module, comprises loudspeaker LS1, resistance R1, resistance R4, resistance R6, resistance R5, relay K 1, voltage stabilizing didoe D4 and triode Q1 diode D1, diode D7, electric capacity E1, battery positive voltage is successively by loudspeaker LS1, resistance R1 is connected with battery terminal negative with the diode D7 of reversal connection, battery positive voltage exports direct current 12V power supply by the normally opened contact of relay K 2, the normally opened contact of relay K 2 is in parallel with resistance R5, and the positive pole of storage battery is connected with the anode of diode D1, and the negative electrode of diode D1 is by resistance R4, resistance R6 ground connection, the negative electrode of diode D1 is connected with the collector electrode of triode Q1 by the coil of relay K 1, the grounded emitter of triode Q1, the emitter of triode Q1 is connected with the collector electrode of triode Q1 by diode D2, the base stage of triode Q1 is connected with the anode of voltage stabilizing didoe D4, the negative electrode of voltage stabilizing didoe D4 is by electric capacity E4 ground connection, and electric capacity E4 is in parallel with resistance R6.Solar energy photovoltaic panel, photovoltaic panel reverse connecting protection device, photovoltaic charger, battery detector and charge indicator connect and compose photovoltaic charged module, and described photovoltaic charged module comprises diode D6, diode D8, voltage stabilizing didoe D5, diode D3, loudspeaker LS2, fuse F1, triode Q2, relay K 2, electric bell U1, integrated chip U2, electric capacity CE2, electric capacity E3, electric capacity C1, resistance R2, resistance R3, resistance R7, resistance R8, resistance R11, resistance R9 and resistance R10, integrated chip U2 are SN8P2711A chip, and the vdd terminal of integrated chip U2 is respectively by electric capacity E3, electric capacity C2 and voltage stabilizing didoe D5 ground connection, the vdd terminal of integrated chip U2 is also connected with the vdd terminal of electric bell U1, the input of electric bell U1 is connected with direct current 12V power supply by resistance R3, the input of electric bell U1 is by electric capacity E2 ground connection, the XOUT end of integrated chip U2 is connected with the negative electrode of diode D6 by resistance R7, the XOUT end of integrated chip U2 is also connected with the emitter of triode Q2 by resistance R11, the base stage of triode Q2 is connected with the emitter of triode Q2 by resistance R7, the grounded emitter of triode Q2, the base stage of triode Q2 is held with the PWM1 of integrated chip U2 by resistance R8 and is connected, the collector electrode of triode Q2 is connected with the negative electrode of diode D3, the collector electrode of triode Q2 is also connected with the negative electrode of diode D6 by the coil of relay K 2, the plus earth of diode D3, the anode of diode D6 is connected with direct current 12V power supply by the normally opened contact of relay K 2, the positive pole of solar energy photovoltaic panel is connected with the anode of diode D6 by fuse F1, the VSS of integrated chip U2 holds ground connection, the P4.0 mouth of integrated chip U2 is connected with charge indicator with P4.4 mouth, the P4.1 mouth of integrated chip U2 is by resistance R10 and electric capacity C1 ground connection, the P4.1 mouth of integrated chip U2 is connected with battery positive voltage by resistance R9, the positive pole of solar energy photovoltaic panel is also successively by fuse F1, loudspeaker LS2, resistance R2 is connected with the negative pole of solar energy photovoltaic panel with the diode D8 of reversal connection.
The low internal resistance big current diode of the machine makes switch in relay, and reduce switching loss, relay makees switch, and internal resistance is close to 0 Europe, so efficiency about 95%, can decrease the caloric value of machine.Machine has been made at process reverse connecting protection and arc protection function aspects and has been optimized and improve; machine has used high-current relay in reversal connection, uses unilateal conduction transistor driving, transistor not conducting during battery reversal connection; relay not conducting, machine is no power when reversal connection.Protect the safety of inverter and user, the maximum bright spot of machine, be that machine is when normally using, also the work of no-spark access inverter can be played, electrical equipment in time delay is added in machine, when battery access inverter, high-current relay does not first start, power resistor in battery reversal connection module and resistance R6 is only had to capacitor charging during access, because resistance effect does not just have arc phenomenon, at 1-2S clock after electric capacity is full of fast, it is also without arc contacts here that high-current relay starts, ensure the working life of relay, converter main circuit obtain electric after, machine just can normally work.Photovoltaic panel reverse connecting protection device: protector according to the unilateal conduction characteristic of transistor, positron conducting.Reversal connection not conducting.Photovoltaic charger: according to the automatic regulation voltage of the impedance drop of photovoltaic panel, with internal resistance of cell characteristic, and connects charging firmly with relay, be better than conventional metal-oxide-semiconductor PWM charging method, relay does not have internal resistance loss, also without switching loss so charge efficiency, can 95% be reached.Battery detector: by special AD sampling A/D chip, real-time sampling is followed the tracks of, and detects voltage, protection charging.Battery reverse connecting protection device: protector according to the unilateal conduction characteristic of transistor, positron conducting.Reversal connection not conducting.Start high-current relay work, be better than conventional metal-oxide-semiconductor reverse connecting protection, relay does not have internal resistance loss.Safe and reliable.Electrical equipment in time delay: when time delay powers on; when being used for protecting battery access machine; machine intimate bulky capacitor during binding post contact; power on recoil protection; employ time delay when powering on, with small area analysis to capacitor charging, no-spark requirement when can reach access; the useful life of machine intimate electric capacity is extended, gives guarantee.Boost module: with push-pull circuit, do booster system, to raising the efficiency, and high power work provides guarantee, boosting CPU drives: with Open-closed-loop, control module carrys out work, reduce, no-load loss, then open loop situations is increased work efficiency.Inversion CPU drives: employ SPWM and be added on soft start function.To use capacitive, and the power consumption equipment of inductive load, start and serve good guarantee.Inversion module: by unipolarity, modulator output voltage, decreases inductor loss, starts powerful guarantee to the efficiency improving complete machine.Electric current and voltage sampling module: employ, EMU computing module, measures, output voltage, and rated output, and the error of calculation is less than 1%. reliable and stable.Display module: with LED charactron output display, font is large, shows clear.Be not afraid of high temperature and corrosion.
Above-described embodiment is the one preferably scheme of this practicality, not does any pro forma restriction to this practicality, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (3)
1. a solar recharging all-in-one, it is characterized in that: comprise solar energy photovoltaic panel, photovoltaic panel reverse connecting protection device, photovoltaic charger, charge indicator, battery reverse connecting protection device, storage battery, battery detector, electrical equipment in time delay, electric current and voltage sampling module, display module, inversion output module, inversion module, inversion CPU drives, boosting CPU drives and boost module, storage battery is electrically connected with electrical equipment on battery detector and time delay by battery reverse connecting protection device, the control end of battery reverse connecting protection device is connected with photovoltaic charger, the output of photovoltaic charger is connected with charge indicator, solar energy photovoltaic panel is connected with photovoltaic charger by photovoltaic panel reverse connecting protection device, battery detector is electrically connected with photovoltaic charger, the output of battery reverse connecting protection device is connected with the input of electrical equipment in time delay, in time delay, the output of electrical equipment is connected with the input of boost module, the control end of boost module drives with boosting CPU and is connected, the output of boost module is connected with the input of inversion module, inversion CPU drives and is electrically connected with the control end of inversion module, the output of inversion module is electrically connected with inversion output module, inversion output module is connected with the input of electric current and voltage sampling module, the control end of electric current and voltage sampling module is connected with the output of electrical equipment in described time delay, the output of electric current and voltage sampling module is electrically connected with display module.
2. solar recharging all-in-one according to claim 1, it is characterized in that: electrical equipment in described time delay, battery reverse connecting protection device coordinates storage battery to form cell anti-reverse connection module, described cell anti-reverse connection module, comprise loudspeaker LS1, resistance R1, resistance R4, resistance R6, resistance R5, relay K 1, voltage stabilizing didoe D4 and triode Q1 diode D1, diode D7, electric capacity E1, battery positive voltage is successively by loudspeaker LS1, resistance R1 is connected with battery terminal negative with the diode D7 of reversal connection, battery positive voltage exports direct current 12V power supply by the normally opened contact of relay K 2, the normally opened contact of relay K 2 is in parallel with resistance R5, the positive pole of storage battery is connected with the anode of diode D1, the negative electrode of diode D1 is by resistance R4, resistance R6 ground connection, the negative electrode of diode D1 is connected with the collector electrode of triode Q1 by the coil of relay K 1, the grounded emitter of triode Q1, the emitter of triode Q1 is connected with the collector electrode of triode Q1 by diode D2, the base stage of triode Q1 is connected with the anode of voltage stabilizing didoe D4, the negative electrode of voltage stabilizing didoe D4 is by electric capacity E4 ground connection, electric capacity E4 is in parallel with resistance R6.
3. solar recharging all-in-one according to claim 2, is characterized in that: solar energy photovoltaic panel, photovoltaic panel reverse connecting protection device, photovoltaic charger, battery detector and charge indicator connect and compose photovoltaic charged module, and described photovoltaic charged module comprises diode D6, diode D8, voltage stabilizing didoe D5, diode D3, loudspeaker LS2, fuse F1, triode Q2, relay K 2, electric bell U1, integrated chip U2, electric capacity CE2, electric capacity E3, electric capacity C1, resistance R2, resistance R3, resistance R7, resistance R8, resistance R11, resistance R9 and resistance R10, integrated chip U2 are SN8P2711A chip, and the vdd terminal of integrated chip U2 is respectively by electric capacity E3, electric capacity C2 and voltage stabilizing didoe D5 ground connection, the vdd terminal of integrated chip U2 is also connected with the vdd terminal of electric bell U1, the input of electric bell U1 is connected with direct current 12V power supply by resistance R3, the input of electric bell U1 is by electric capacity E2 ground connection, the XOUT end of integrated chip U2 is connected with the negative electrode of diode D6 by resistance R7, the XOUT end of integrated chip U2 is also connected with the emitter of triode Q2 by resistance R11, the base stage of triode Q2 is connected with the emitter of triode Q2 by resistance R7, the grounded emitter of triode Q2, the base stage of triode Q2 is held with the PWM1 of integrated chip U2 by resistance R8 and is connected, the collector electrode of triode Q2 is connected with the negative electrode of diode D3, the collector electrode of triode Q2 is also connected with the negative electrode of diode D6 by the coil of relay K 2, the plus earth of diode D3, the anode of diode D6 is connected with direct current 12V power supply by the normally opened contact of relay K 2, the positive pole of solar energy photovoltaic panel is connected with the anode of diode D6 by fuse F1, the VSS of integrated chip U2 holds ground connection, the P4.0 mouth of integrated chip U2 is connected with charge indicator with P4.4 mouth, the P4.1 mouth of integrated chip U2 is by resistance R10 and electric capacity C1 ground connection, the P4.1 mouth of integrated chip U2 is connected with battery positive voltage by resistance R9, the positive pole of solar energy photovoltaic panel is also successively by fuse F1, loudspeaker LS2, resistance R2 is connected with the negative pole of solar energy photovoltaic panel with the diode D8 of reversal connection.
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| CN201420674027.4U CN204349564U (en) | 2014-11-12 | 2014-11-12 | Solar recharging all-in-one |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958465A (en) * | 2016-05-13 | 2016-09-21 | 北京科诺伟业光电科技有限公司 | Reverse-connection preventing circuit for off-grid control and inversion integrated machine |
| CN107947145A (en) * | 2017-12-13 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of anti-battery reversal connection circuit of charged pool power module |
-
2014
- 2014-11-12 CN CN201420674027.4U patent/CN204349564U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958465A (en) * | 2016-05-13 | 2016-09-21 | 北京科诺伟业光电科技有限公司 | Reverse-connection preventing circuit for off-grid control and inversion integrated machine |
| CN107947145A (en) * | 2017-12-13 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of anti-battery reversal connection circuit of charged pool power module |
| CN107947145B (en) * | 2017-12-13 | 2019-05-28 | 郑州云海信息技术有限公司 | A kind of anti-battery reversal connection circuit of charged pool power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20171112 |