CN203135502U - Portable solar mobile power supply - Google Patents

Portable solar mobile power supply Download PDF

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Publication number
CN203135502U
CN203135502U CN201320104076XU CN201320104076U CN203135502U CN 203135502 U CN203135502 U CN 203135502U CN 201320104076X U CN201320104076X U CN 201320104076XU CN 201320104076 U CN201320104076 U CN 201320104076U CN 203135502 U CN203135502 U CN 203135502U
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China
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resistance
voltage
connects
storage battery
semiconductor
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CN201320104076XU
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Chinese (zh)
Inventor
余海明
赵鸣涛
余海方
汤朝林
李涛
李小梅
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ZHEJIANG MINGSHUO ELECTRONIC TECHNOLOGY Co Ltd
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ZHEJIANG MINGSHUO ELECTRONIC TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

A portable solar mobile power supply comprises a solar cell panel, a storage battery, a one-chip microcomputer, a charging circuit, a voltage stabilizing circuit and a voltage sampling circuit. The charging circuit is provided with a first Zener diode. According to the portable solar mobile power supply, even when the portable solar mobile power supply is in a shutdown state, once the illumination condition is good, the output voltage of the solar cell panel is greater than the reverse direction breakdown voltage of the first Zener diode, and the storage battery is charged by the solar cell panel, the charging efficiency is raised. The charging efficiency is raised by optimizing the charging circuit, the size of the solar mobile power supply is not increased obviously, the size is small, and the solar mobile power supply is portable.

Description

The portable type solar energy portable power source
Technical field
The utility model relates to portable power source and makes the field, particularly relates to a kind of portable type solar energy portable power source.
Background technology
Portable power source is a kind of portable charger that integrates power supply and charge function, characteristics such as have usually that capacity is big, purposes is many, volume is little, the life-span is long and safe and reliable can be multiple digital product power supply such as mobile phone, digital camera, MP3, MP4, PDA, palmtop PC, handheld device or standby charging whenever and wherever possible.Along with the development of portable power source, the solar energy movable power supply of solar panel occurred having, thereby in use can reach the purpose of supplying electric weight by the sunlight charging.
The charge power supply of solar energy movable power supply comes from solar panel to the conversion of luminous energy.Under the constant situation of intensity of illumination, the surface area that increases solar panel is the main method that improves the solar energy movable power supply charge efficiency with optimizing charging circuit, but, the surface area that increases solar panel has improved production cost, increased the volume of solar energy movable power supply, be not easy to carry.In addition, traditional solar energy movable power supply only has charge function under open state, and charge efficiency is lower.
The utility model content
Based on this, be necessary at the lower problem of the charge efficiency of traditional solar energy movable power supply, provide a kind of charge efficiency higher portable type solar energy portable power source.
A kind of portable type solar energy portable power source comprises solar panel, storage battery, single-chip microcomputer, charging circuit, voltage stabilizing circuit and voltage sampling circuit,
Described charging circuit comprises first diode, second diode, the 3rd diode, the 4th diode, switch, first voltage stabilizing didoe, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, first triode, second triode, first metal-oxide-semiconductor, second metal-oxide-semiconductor, second voltage stabilizing didoe, the 3rd triode, the 6th resistance, the 7th resistance and the 8th resistance, the positive pole of described first diode connects the positive pole of described solar panel, the negative pole of described first diode connects the inlet wire binding post of described switch and the positive pole of described storage battery respectively, the minus earth of described storage battery, described second diode is connected in parallel in described first diode, the outlet binding post of described switch connects the positive pole of described the 3rd diode, and the negative pole of described the 3rd diode connects described voltage stabilizing circuit; The negative pole of described first voltage stabilizing didoe, one end of described first resistance and the source electrode of described first triode connect the positive pole of described solar panel respectively, the positive pole of described first voltage stabilizing didoe connects an end of described second resistance, the other end of described second resistance connects the base stage of described second triode and an end of described the 3rd resistance respectively, the emitter of the other end of described the 3rd resistance and described second triode is ground connection respectively, the drain electrode of described second triode connects an end of described the 4th resistance, the other end of described the 4th resistance connects the other end and described first transistor base of described first resistance respectively, the collector electrode of described first triode connects the positive pole of described the 4th diode, the negative pole of described the 4th diode connects an end of described the 5th resistance, the described voltage stabilizing circuit of another termination of described the 5th resistance; The drain electrode of described first metal-oxide-semiconductor and described second metal-oxide-semiconductor connects the negative pole of described solar panel respectively, described first metal-oxide-semiconductor and described second metal-oxide-semiconductor source electrode ground connection respectively, the negative pole of described first diode of one termination of described the 6th resistance, the other end connects an end of described the 7th resistance respectively, the grid of described first metal-oxide-semiconductor, the negative pole of the grid of described second metal-oxide-semiconductor and described second zener diode, the plus earth of described second zener diode, the collector electrode of described the 3rd triode of another termination of described the 7th resistance, the grounded emitter of described the 3rd triode, grid connects described single-chip microcomputer by described the 8th resistance;
Described voltage stabilizing circuit comprises first electric capacity, second electric capacity and three-terminal voltage-stabilizing pipe, the input of described three-terminal voltage-stabilizing pipe connects the other end of described the 5th resistance and the negative pole of described the 3rd diode respectively, the input of the described three-terminal voltage-stabilizing pipe of one termination of described first electric capacity, other end ground connection, the output of described three-terminal voltage-stabilizing pipe connects an end and the described single-chip microcomputer of described second electric capacity, the earth terminal ground connection of the other end of described second electric capacity and described three-terminal voltage-stabilizing pipe respectively;
Described voltage sampling circuit comprises battery tension sample circuit and cell plate voltage sample circuit, described battery tension sample circuit is used for gathering the voltage of described storage battery and exporting the storage battery sampled voltage to single-chip microcomputer, described cell plate voltage sample circuit is used for gathering the voltage of described solar panel and exporting the cell panel sampled voltage to single-chip microcomputer, described cell plate voltage sample circuit comprises the 9th resistance, the tenth resistance and the 3rd electric capacity, the positive pole of the described solar panel of one termination of described the 9th resistance, the other end connects an end of described the tenth resistance and an end of described the 3rd electric capacity respectively, the other end of the other end of described the tenth resistance and described the 3rd electric capacity is ground connection respectively, described battery tension sample circuit comprises the 11 resistance, the 12 resistance and the 4th electric capacity, the positive pole of the described storage battery of one termination of described the 11 resistance, the other end connects an end of described the 12 resistance and an end of described the 4th electric capacity respectively, and the other end of the other end of described the 12 resistance and described the 4th electric capacity is ground connection respectively;
Described single-chip microcomputer prestores the first storage battery threshold voltage, the second storage battery threshold voltage and cell panel threshold voltage, when described cell panel sampled voltage is lower than described cell panel threshold voltage, described Single-chip Controlling is turn-offed described charging circuit, and described solar panel stops described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage is lower than the described first storage battery threshold voltage, the described charging circuit of described Single-chip Controlling conducting, described solar panel begins described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage is higher than the described second storage battery threshold voltage, described Single-chip Controlling is turn-offed described charging circuit, and described solar panel stops described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage was higher than the described first storage battery threshold voltage and is lower than the described second storage battery threshold voltage, the described charging circuit of described Single-chip Controlling was in hold mode; The described first storage battery threshold voltage is lower than the described second storage battery threshold voltage.
Therein among embodiment, also comprise discharge circuit and be used for gathering the discharging current of discharge circuit and export sample rate current to the discharging current Acquisition Circuit of described single-chip microcomputer,
Described discharge circuit comprises the load socket, the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 4th triode and the 3rd voltage stabilizing didoe, a binding post of described load socket connects the outlet binding post of described switch, another binding post connects the drain electrode that connects described the 3rd metal-oxide-semiconductor respectively and the drain electrode of described the 4th metal-oxide-semiconductor, the source electrode of the source electrode of described the 3rd metal-oxide-semiconductor and described the 4th metal-oxide-semiconductor is by described the 13 grounding through resistance, the grid of the grid of described the 3rd metal-oxide-semiconductor and described the 4th metal-oxide-semiconductor connects an end of described the 14 resistance and the negative pole of described the 3rd voltage stabilizing didoe, the plus earth of described the 3rd voltage stabilizing didoe, the other end of described the 14 resistance connects an end of described the 15 resistance and the collector electrode of described the 4th triode respectively, the outlet binding post of the described switch of another termination of described the 15 resistance, the grounded emitter of described the 4th triode, base stage connects described single-chip microcomputer by described the 16 resistance;
Described discharging current Acquisition Circuit comprises the 17 resistance and the 5th electric capacity, the source electrode of described the 3rd metal-oxide-semiconductor of one termination of described the 17 resistance and the source electrode of described the 4th metal-oxide-semiconductor, the described single-chip microcomputer of another termination, described the 5th electric capacity is connected in parallel in the two ends of described the 13 resistance;
Described single-chip microcomputer also prestores first threshold electric current and second threshold current, described first threshold electric current is lower than described second threshold current, when described sample rate current was lower than described first threshold electric current or be higher than described second threshold current, described Single-chip Controlling was turn-offed described discharge circuit.
Therein among embodiment, also comprise fuse and the 5th diode, described fuse is connected in the positive pole of described storage battery, and the positive pole of described the 5th diode connects the negative pole of described storage battery, and the negative pole of described the 5th diode connects the positive pole of described storage battery by described fuse.
Above-mentioned portable type solar energy portable power source, even under off-mode, as long as better at illumination condition, the output voltage of solar panel is during greater than the reverse breakdown voltage of first voltage stabilizing didoe, solar panel just can charge to storage battery, has improved charge efficiency.Improve charge efficiency by optimizing charging circuit, can not increase the volume of solar energy movable power supply, volume is less, is easy to carry.
Description of drawings
Fig. 1 is the electrical schematic diagram of the portable type solar energy portable power source of an embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, in one embodiment, a kind of portable type solar energy portable power source comprises solar panel SR, storage battery BT, single-chip microcomputer U1, charging circuit, voltage stabilizing circuit and voltage sampling circuit.In the present embodiment, single-chip microcomputer U1 adopts PIC16F676 type single-chip microcomputer.
Charging circuit comprises the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, K switch, the first voltage stabilizing didoe ZD1, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the first triode Q1, the second triode Q2, the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, the second voltage stabilizing didoe ZD2, the 3rd triode Q3, the 6th resistance R 6, the 7th resistance R 7 and the 8th resistance R 8.The positive pole of the first diode D1 connects the positive pole of solar panel SR, and the negative pole of the first diode D1 connects the inlet wire binding post of K switch and the positive pole of storage battery BT, the minus earth of storage battery BT respectively.The second diode D2 is connected in parallel in the first diode D1, and is concrete, and the positive pole of the second diode D2 connects the positive pole of the first diode D1, and the negative pole of the second diode D2 connects the negative pole of the first diode D1.The outlet binding post of K switch connects the positive pole of the 3rd diode D3, and the negative pole of the 3rd diode D3 connects voltage stabilizing circuit.One end of the negative pole of the first voltage stabilizing didoe ZD1, first resistance R 1 and the source electrode of the first triode Q1 connect the positive pole of solar panel SR respectively, and the positive pole of the first voltage stabilizing didoe ZD1 connects an end of second resistance R 2.The other end of second resistance R 2 connects an end of base stage and the 3rd resistance R 3 of the second triode Q2 respectively.The emitter of the other end of the 3rd resistance R 3 and the second triode Q2 is ground connection respectively.The drain electrode of the second triode Q2 connects an end of the 4th resistance R 4, and the other end of the 4th resistance R 4 connects the other end and the first triode Q1 base stage of first resistance R 1 respectively.The collector electrode of the first triode Q1 connects the positive pole of the 4th diode D4.The negative pole of the 4th diode D4 connects an end of the 5th resistance R 5, another termination voltage stabilizing circuit of the 5th resistance R 5.The drain electrode of the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 connects the negative pole of solar panel SR respectively, the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 source electrode ground connection respectively.The negative pole of one termination, the first diode D1 of the 6th resistance R 6, the other end connect an end of the 7th resistance R 7, the grid of the first metal-oxide-semiconductor M1, the grid of the second metal-oxide-semiconductor M2 and the negative pole of the second zener diode ZD2 respectively.The plus earth of the second zener diode ZD2, the collector electrode of another termination the 3rd triode Q3 of the 7th resistance R 7, the grounded emitter of the 3rd triode Q3, the pin 12(that grid meets single-chip microcomputer U1 by the 8th resistance R 8 sees the wiring node CS among Fig. 1).Wherein, the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 are N channel depletion type field effect transistor.The first triode Q1 is the PNP pipe, and the second triode Q2 and the 3rd triode Q3 are the NPN pipe.Under open state, namely under the situation of K switch closure, the output voltage of storage battery BT is through giving single-chip microcomputer U1 power supply after the voltage stabilizing of voltage stabilizing circuit, so that single-chip microcomputer U1 enters normal operating conditions; After K switch disconnects, when entering off-mode, storage battery BT stops single-chip microcomputer U1 is powered, single-chip microcomputer U1 quits work, and is better until illumination condition, and the output voltage of solar panel SR is during greater than the reverse breakdown voltage of the first voltage stabilizing didoe ZD1, the first voltage stabilizing didoe ZD1 is breakdown, the second triode Q2 and the first triode Q1 conducting successively for single-chip microcomputer U1 power supply, make single-chip microcomputer U1 enter normal operating conditions after the output voltage process voltage stabilizing of voltage stabilizing circuit of solar panel SR.Therefore, even under off-mode, as long as better at illumination condition, the output voltage of solar panel SR is during greater than the reverse breakdown voltage of the first voltage stabilizing didoe ZD1, and solar panel SR just can charge to storage battery, has improved charge efficiency.Improve charge efficiency by optimizing charging circuit, can not increase the volume of solar energy movable power supply, volume is less, is easy to carry.
Voltage stabilizing circuit comprises first capacitor C 1, second capacitor C 2 and three-terminal voltage-stabilizing pipe U2.The input of three-terminal voltage-stabilizing pipe U2 connects the other end of the 5th resistance R 5 and the negative pole of the 3rd diode D3 respectively.The input Vin of one termination three-terminal voltage-stabilizing pipe U2 of first capacitor C 1, other end ground connection, the output end vo ut of three-terminal voltage-stabilizing pipe U2 connects the other end of pin 1, the second capacitor C 2 of an end of second capacitor C 2 and single-chip microcomputer U1 and the earth terminal GND ground connection of three-terminal voltage-stabilizing pipe U2 respectively.
Voltage sampling circuit comprises battery tension sample circuit and cell plate voltage sample circuit.The battery tension sample circuit is used for gathering the voltage of storage battery BT and exporting the storage battery sampled voltage is seen Fig. 1 to the pin 11(of single-chip microcomputer U1 wiring Node B C).The cell plate voltage sample circuit is used for gathering the voltage of solar panel SR and exporting the cell panel sampled voltage is seen Fig. 1 to the pin 13(of single-chip microcomputer U1 wiring node SC).Wherein, the cell plate voltage sample circuit comprises the 9th resistance R 9, the tenth resistance R 10 and the 3rd capacitor C 3.The positive pole of one termination solar panel SR of the 9th resistance R 9, the other end connect an end of the tenth resistance R 10 and an end of the 3rd capacitor C 3 respectively.The other end of the other end of the tenth resistance R 10 and the 3rd capacitor C 3 is ground connection respectively.The 9th resistance R 9 is connected the pin 13 of single-chip microcomputer U1 with the common port of the tenth resistance R 10, so that the cell panel sampled voltage is delivered to single-chip microcomputer U1.The battery tension sample circuit comprises the 11 resistance R 11, the 12 resistance R 12 and the 4th capacitor C 4.The positive pole of one termination storage battery BT of the 11 resistance R 11, the other end connect an end of the 12 resistance R 12 and an end of the 4th capacitor C 4 respectively, and the other end of the other end of the 12 resistance R 12 and the 4th capacitor C 4 is ground connection respectively.The 11 resistance R 11 is connected the pin 11 of single-chip microcomputer U1 with the common port of the 12 resistance R 12, so that the storage battery sampled voltage is delivered to single-chip microcomputer U1.
Single-chip microcomputer U1 prestores the first storage battery threshold voltage, the second storage battery threshold voltage and cell panel threshold voltage.When the cell panel sampled voltage was lower than the cell panel threshold voltage, charging circuit was turn-offed in single-chip microcomputer U1 control, and solar panel SR stops storage battery BT is charged.Concrete, single-chip microcomputer U1 gathers the cell panel sampled voltage and compares with the cell panel threshold voltage that prestores, when the cell panel sampled voltage is lower than the cell panel threshold voltage, single-chip microcomputer U1 is by the base stage of pin 12 output low levels to the three triode Q3, the 3rd triode Q3 ends, the grid of the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 is high level, the first metal-oxide-semiconductor M1 and second metal-oxide-semiconductor are in cut-off state, can't form the closed-loop path between solar panel SR and the storage battery BT, solar panel SR can't charge to storage battery BT.When the cell panel sampled voltage is higher than the cell panel threshold voltage, and the storage battery sampled voltage is when being lower than the first storage battery threshold voltage, single-chip microcomputer U1 control conducting charging circuit, and solar panel SR begins storage battery BT is charged.Concrete, single-chip microcomputer U1 gathers cell panel sampled voltage and storage battery sampled voltage, and when the cell panel sampled voltage is higher than the cell panel threshold voltage, the storage battery sampled voltage is compared the first storage battery threshold voltage and the second storage battery threshold voltage respectively.When the storage battery sampled voltage is lower than the first storage battery threshold voltage, single-chip microcomputer U1 is by the base stage of pin 12 output high level to the three triode Q3, the 3rd triode Q3 conducting, the grounded-grid of the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2, the first metal-oxide-semiconductor M1 and the second metal-oxide-semiconductor M2 conducting, form the closed-loop path between solar panel SR and the storage battery BT, solar panel SR begins storage battery BT is charged.In like manner, when the cell panel sampled voltage is higher than the cell panel threshold voltage, and the storage battery sampled voltage is when being higher than the second storage battery threshold voltage, and charging circuit is turn-offed in single-chip microcomputer U1 control, and solar panel SR stops storage battery BT is charged; When the cell panel sampled voltage is higher than the cell panel threshold voltage, and when the storage battery sampled voltage is higher than the first storage battery threshold voltage and is lower than the second storage battery threshold voltage, single-chip microcomputer U1 control charging circuit is in hold mode, and namely the level of pin 12 outputs of single-chip microcomputer U1 does not change.In the present embodiment, the first metal-oxide-semiconductor M1 is in parallel with the second metal-oxide-semiconductor M2, has reduced the internal resistance of charge circuit, has reduced loss, has improved charge efficiency.
In the present embodiment, the portable type solar energy portable power source also comprises discharge circuit and is used for gathering the discharging current of discharge circuit and exports the extremely discharging current Acquisition Circuit of described single-chip microcomputer of sample rate current.Discharge circuit comprises load socket CK, the 3rd metal-oxide-semiconductor M3, the 4th metal-oxide-semiconductor M4, the 13 resistance R 13, the 14 resistance R 14, the 15 resistance R 15, the 16 resistance R 16, the 4th triode Q4 and the 3rd voltage stabilizing didoe ZD3.The binding post of load socket CK connects the outlet binding post of K switch, and another binding post connects the drain electrode that meets the 3rd metal-oxide-semiconductor M3 respectively and the drain electrode of the 4th metal-oxide-semiconductor M4.The source electrode of the source electrode of the 3rd metal-oxide-semiconductor M3 and the 4th metal-oxide-semiconductor M4 is by the 13 resistance R 13 ground connection.The grid of the grid of the 3rd metal-oxide-semiconductor M3 and the 4th metal-oxide-semiconductor M4 connects an end of the 14 resistance R 14 and the negative pole of the 3rd voltage stabilizing didoe ZD3, the plus earth of the 3rd voltage stabilizing didoe ZD3.The other end of the 14 resistance R 14 connects an end of the 15 resistance R 15 and the collector electrode of the 4th triode Q4 respectively, the outlet binding post of another termination K switch of the 15 resistance R 15, the grounded emitter of the 4th triode Q4, the pin 9(that base stage meets single-chip microcomputer U1 by the 16 resistance R 16 sees the wiring node LC among Fig. 1).The discharging current Acquisition Circuit comprises the 17 resistance R 17 and the 5th capacitor C 5.The pin 8(that the source electrode of one termination the 3rd metal-oxide-semiconductor M3 of the 17 resistance R 17 and the source electrode of the 4th metal-oxide-semiconductor M4, the other end meet single-chip microcomputer U1 sees the wiring node IC among Fig. 1), the 5th capacitor C 5 is connected in parallel in the two ends of the 13 resistance R 13.Wherein, the 3rd metal-oxide-semiconductor M3 and the 4th metal-oxide-semiconductor M4 are N channel depletion type field effect transistor, and the 4th triode Q4 is the NPN pipe.Single-chip microcomputer also prestores first threshold electric current and second threshold current, and the first threshold electric current is lower than described second threshold current.When sample rate current is lower than the first threshold electric current or is higher than second threshold current; Single-chip Controlling is turn-offed discharge circuit; when storage battery BT over-discharge can or discharging current are big, turn-offing discharge circuit, thus the damage of effectively having protected storage battery BT and having avoided load.Concrete, discharging current sample circuit output sample rate current is to the pin 8 of single-chip microcomputer U1, single-chip microcomputer U1 compares first threshold electric current and second threshold current with this sample rate current, when sample rate current is lower than the first threshold electric current or is higher than second threshold current, pin 9 output low levels of single-chip microcomputer U1, make the 4th triode Q4 work in cut-off state, at this moment, the grid of the 3rd metal-oxide-semiconductor M3 and the 4th metal-oxide-semiconductor M4 is high level, the 3rd metal-oxide-semiconductor M3 and the 4th metal-oxide-semiconductor M4 work in cut-off state, to turn-off discharge circuit.The 3rd metal-oxide-semiconductor M3 is in parallel with the 4th metal-oxide-semiconductor M4's, has reduced the resistance of discharge circuit, has reduced loss, has prolonged the use duration of portable type solar energy portable power source.
In the present embodiment, the portable type solar energy portable power source also comprises fuse F1 and the 5th diode D5.Fuse F1 is connected in the positive pole of storage battery BT, and the positive pole of the 5th diode D5 connects the negative pole of storage battery BT, and the negative pole of the 5th diode D5 connects the positive pole of storage battery BT by fuse F1.In addition, the portable type solar energy portable power source also comprises the first indicator light L1, the second indicator light L2, the 3rd indicator light L3, the 18 resistance R 18, the 19 resistance R 19, the 20 resistance R 20, the 21 resistance R 21, the 6th capacitor C 6 and the 7th capacitor C 7.The first indicator light L1, the second indicator light L2 and the 3rd indicator light L3 are light-emitting diode, wherein, the first indicator light L1, the second indicator light L2 and the 3rd indicator light L3 positive pole meet the output end vo ut of three-terminal voltage-stabilizing pipe U2, and negative pole connects pin 5, the pin 3 and pin 2 of single-chip microcomputer U1 respectively by the 18 resistance R 18, the 19 resistance R 19 and the 20 resistance R 20.By the 21 resistance R 21 and the 7th capacitor C 7 ground connection, the 6th capacitor C 6 is connected between the pin 1 and pin 14 of single-chip microcomputer U1 the pin 4 of single-chip microcomputer U1 successively.The pin 6 of single-chip microcomputer U1, pin 7 and pin 10 are unsettled, do not do definition.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.

Claims (3)

1. a portable type solar energy portable power source is characterized in that, comprises solar panel, storage battery, single-chip microcomputer, charging circuit, voltage stabilizing circuit and voltage sampling circuit,
Described charging circuit comprises first diode, second diode, the 3rd diode, the 4th diode, switch, first voltage stabilizing didoe, first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, first triode, second triode, first metal-oxide-semiconductor, second metal-oxide-semiconductor, second voltage stabilizing didoe, the 3rd triode, the 6th resistance, the 7th resistance and the 8th resistance, the positive pole of described first diode connects the positive pole of described solar panel, the negative pole of described first diode connects the inlet wire binding post of described switch and the positive pole of described storage battery respectively, the minus earth of described storage battery, described second diode is connected in parallel in described first diode, the outlet binding post of described switch connects the positive pole of described the 3rd diode, and the negative pole of described the 3rd diode connects described voltage stabilizing circuit; The negative pole of described first voltage stabilizing didoe, one end of described first resistance and the source electrode of described first triode connect the positive pole of described solar panel respectively, the positive pole of described first voltage stabilizing didoe connects an end of described second resistance, the other end of described second resistance connects the base stage of described second triode and an end of described the 3rd resistance respectively, the emitter of the other end of described the 3rd resistance and described second triode is ground connection respectively, the drain electrode of described second triode connects an end of described the 4th resistance, the other end of described the 4th resistance connects the other end and described first transistor base of described first resistance respectively, the collector electrode of described first triode connects the positive pole of described the 4th diode, the negative pole of described the 4th diode connects an end of described the 5th resistance, the described voltage stabilizing circuit of another termination of described the 5th resistance; The drain electrode of described first metal-oxide-semiconductor and described second metal-oxide-semiconductor connects the negative pole of described solar panel respectively, described first metal-oxide-semiconductor and described second metal-oxide-semiconductor source electrode ground connection respectively, the negative pole of described first diode of one termination of described the 6th resistance, the other end connects an end of described the 7th resistance respectively, the grid of described first metal-oxide-semiconductor, the negative pole of the grid of described second metal-oxide-semiconductor and described second zener diode, the plus earth of described second zener diode, the collector electrode of described the 3rd triode of another termination of described the 7th resistance, the grounded emitter of described the 3rd triode, grid connects described single-chip microcomputer by described the 8th resistance;
Described voltage stabilizing circuit comprises first electric capacity, second electric capacity and three-terminal voltage-stabilizing pipe, the input of described three-terminal voltage-stabilizing pipe connects the other end of described the 5th resistance and the negative pole of described the 3rd diode respectively, the input of the described three-terminal voltage-stabilizing pipe of one termination of described first electric capacity, other end ground connection, the output of described three-terminal voltage-stabilizing pipe connects an end and the described single-chip microcomputer of described second electric capacity, the earth terminal ground connection of the other end of described second electric capacity and described three-terminal voltage-stabilizing pipe respectively;
Described voltage sampling circuit comprises battery tension sample circuit and cell plate voltage sample circuit, described battery tension sample circuit is used for gathering the voltage of described storage battery and exporting the storage battery sampled voltage to single-chip microcomputer, described cell plate voltage sample circuit is used for gathering the voltage of described solar panel and exporting the cell panel sampled voltage to single-chip microcomputer, described cell plate voltage sample circuit comprises the 9th resistance, the tenth resistance and the 3rd electric capacity, the positive pole of the described solar panel of one termination of described the 9th resistance, the other end connects an end of described the tenth resistance and an end of described the 3rd electric capacity respectively, the other end of the other end of described the tenth resistance and described the 3rd electric capacity is ground connection respectively, described battery tension sample circuit comprises the 11 resistance, the 12 resistance and the 4th electric capacity, the positive pole of the described storage battery of one termination of described the 11 resistance, the other end connects an end of described the 12 resistance and an end of described the 4th electric capacity respectively, and the other end of the other end of described the 12 resistance and described the 4th electric capacity is ground connection respectively;
Described single-chip microcomputer prestores the first storage battery threshold voltage, the second storage battery threshold voltage and cell panel threshold voltage, when described cell panel sampled voltage is lower than described cell panel threshold voltage, described Single-chip Controlling is turn-offed described charging circuit, and described solar panel stops described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage is lower than the described first storage battery threshold voltage, the described charging circuit of described Single-chip Controlling conducting, described solar panel begins described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage is higher than the described second storage battery threshold voltage, described Single-chip Controlling is turn-offed described charging circuit, and described solar panel stops described charge in batteries; When described cell panel sampled voltage is higher than described cell panel threshold voltage, and when described storage battery sampled voltage was higher than the described first storage battery threshold voltage and is lower than the described second storage battery threshold voltage, the described charging circuit of described Single-chip Controlling was in hold mode; The described first storage battery threshold voltage is lower than the described second storage battery threshold voltage.
2. portable type solar energy portable power source according to claim 1 is characterized in that, also comprise discharge circuit and be used for gathering the discharging current of discharge circuit and export the extremely discharging current Acquisition Circuit of described single-chip microcomputer of sample rate current,
Described discharge circuit comprises the load socket, the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 4th triode and the 3rd voltage stabilizing didoe, a binding post of described load socket connects the outlet binding post of described switch, another binding post connects the drain electrode that connects described the 3rd metal-oxide-semiconductor respectively and the drain electrode of described the 4th metal-oxide-semiconductor, the source electrode of the source electrode of described the 3rd metal-oxide-semiconductor and described the 4th metal-oxide-semiconductor is by described the 13 grounding through resistance, the grid of the grid of described the 3rd metal-oxide-semiconductor and described the 4th metal-oxide-semiconductor connects an end of described the 14 resistance and the negative pole of described the 3rd voltage stabilizing didoe, the plus earth of described the 3rd voltage stabilizing didoe, the other end of described the 14 resistance connects an end of described the 15 resistance and the collector electrode of described the 4th triode respectively, the outlet binding post of the described switch of another termination of described the 15 resistance, the grounded emitter of described the 4th triode, base stage connects described single-chip microcomputer by described the 16 resistance;
Described discharging current Acquisition Circuit comprises the 17 resistance and the 5th electric capacity, the source electrode of described the 3rd metal-oxide-semiconductor of one termination of described the 17 resistance and the source electrode of described the 4th metal-oxide-semiconductor, the described single-chip microcomputer of another termination, described the 5th electric capacity is connected in parallel in the two ends of described the 13 resistance;
Described single-chip microcomputer also prestores first threshold electric current and second threshold current, described first threshold electric current is lower than described second threshold current, when described sample rate current was lower than described first threshold electric current or be higher than described second threshold current, described Single-chip Controlling was turn-offed described discharge circuit.
3. portable type solar energy portable power source according to claim 1, it is characterized in that, also comprise fuse and the 5th diode, described fuse is connected in the positive pole of described storage battery, the positive pole of described the 5th diode connects the negative pole of described storage battery, and the negative pole of described the 5th diode connects the positive pole of described storage battery by described fuse.
CN201320104076XU 2013-03-07 2013-03-07 Portable solar mobile power supply Withdrawn - After Issue CN203135502U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103117584A (en) * 2013-03-07 2013-05-22 浙江明烁电子科技有限公司 Portable solar mobile power supply
CN103490471A (en) * 2013-09-22 2014-01-01 浙江环球光伏科技有限公司 Integrated photovoltaic power supply

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103117584A (en) * 2013-03-07 2013-05-22 浙江明烁电子科技有限公司 Portable solar mobile power supply
CN103490471A (en) * 2013-09-22 2014-01-01 浙江环球光伏科技有限公司 Integrated photovoltaic power supply

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