CN102404904B - Control device of solar street lamp - Google Patents
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- CN102404904B CN102404904B CN201010283538XA CN201010283538A CN102404904B CN 102404904 B CN102404904 B CN 102404904B CN 201010283538X A CN201010283538X A CN 201010283538XA CN 201010283538 A CN201010283538 A CN 201010283538A CN 102404904 B CN102404904 B CN 102404904B
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- 238000004804 winding Methods 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims description 62
- 230000005669 field effect Effects 0.000 claims description 33
- 230000010355 oscillation Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000003534 oscillatory effect Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 7
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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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Abstract
The invention discloses a control device of a solar street lamp, which comprises a high frequency oscillatory circuit, a push-pull output circuit, a step-up transformer, a rectification filter circuit, a short-circuit protection circuit and a relay. The input end of the high frequency oscillatory circuit is connected with the output end of a solar storage battery through a normally closed contact of the relay, the output end of the high frequency oscillatory circuit is connected with the input end of the push-pull output circuit, the output end of the push-pull output circuit is connected with a primary winding of the step-up transformer, a secondary winding of the step-up transformer is connected with the input end of the rectification filter circuit, and the output end of the rectification filter circuit is connected with the electrical input end of the solar street lamp. A center tap of the primary winding of the step-up transformer, two coil input ends of the relay and a movable contact of the relay are respectively connected with the output end of the solar storage battery, the short-circuit protection circuit is connected between the output end of the rectification filter circuit and a normally open contact of the relay. Selection range of light sources of the solar street lamp is greatly broadened after the control device is adopted.
Description
Technical Field
The invention relates to the field of solar street lamps, in particular to a control device of a solar street lamp.
Background
Solar street lights are typically powered by an energy storage device, such as a battery, for their light sources. The storage batteries work in a direct current mode, the working voltage of the storage batteries is not high, and if the storage batteries are used for directly lighting a light source on a street lamp, one can only adopt low-voltage light sources, such as 12V and 24V low-voltage energy-saving lamps. However, since the low-voltage energy-saving lamp is improved on the basis of the common 220 v energy-saving lamp, if the low-voltage energy-saving lamp is adopted, the battery voltage is changed greatly, and the lamp tube works in a forced starting state for a long time, so that the luminous efficiency of the lamp tube is low, and the service life of the lamp tube is shortened. In order to solve the problem, an inverter is adopted to invert direct current into alternating current for the use of a common energy-saving lamp. However, the inverter in the prior art has low efficiency and high failure rate in outdoor use, and therefore, the inverter is not beneficial to popularization and application.
The 220V lighting lamp and the high-power multi-LED lamp series lamp have the characteristics of large market, large output, mature process, stable quality, low cost, high cost performance and the like, and if the solar street lamp can also be directly used by the lamps, the light source selection range of the solar street lamp is greatly widened, so that the solar street lamp can play a role in lighting more widely.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a control device of a solar street lamp, which converts low-voltage direct current stored in a solar storage battery into high-voltage direct current after high-frequency oscillation, push-pull output, boosting, rectification and filtering so as to be directly used by a common alternating current light source or a high-power LED lamp, thereby overcoming the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a control device of a solar street lamp comprises a high-frequency oscillation circuit, a push-pull output circuit, a step-up transformer, a rectifying and filtering circuit, a short-circuit protection circuit and a relay; the input of the high-frequency oscillation circuit is connected with the output of the solar storage battery through a normally closed contact of the relay, and the output of the high-frequency oscillation circuit is connected with the input of the push-pull output circuit; the output of the push-pull output circuit is connected with the primary winding of the boosting transformer; the secondary winding of the step-up transformer is connected with the input of the rectifying and filtering circuit; the output of the rectification filter circuit is connected with the electric input end of the solar street lamp; the center tap of the primary winding of the step-up transformer, the two coil input ends of the relay and the movable contact of the relay are respectively connected with the output of the solar storage battery; the short-circuit protection circuit is connected between the output of the rectification filter circuit and the normally open contact of the relay.
The high-frequency oscillation circuit comprises a control chip, a fifth resistor and a sixth capacitor; a 15 th pin of the control chip is an input end of the high-frequency oscillation circuit, and the 15 th pin of the control chip is connected with the normally closed contact of the relay; the 11 th pin and the 14 th pin of the control chip are output ends of the high-frequency oscillation circuit, and the 11 th pin and the 14 th pin of the control chip are respectively connected with the input end of the push-pull output circuit; one end of the fifth resistor is connected with a pin 6 of the control chip, and the other end of the fifth resistor is connected with the negative output end of the rectification filter circuit; one end of the sixth capacitor is connected with the 7 th pin of the control chip, and the other end of the sixth capacitor is connected with the other end of the fifth resistor.
The push-pull output circuit comprises a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first field effect transistor and a second field effect transistor; a 11 th pin of the control chip is connected with a grid electrode of a first field effect transistor through an eighth resistor, a drain electrode of the first field effect transistor is connected with one end of a primary winding of the boosting transformer, and a source electrode of the first field effect transistor is connected with a negative output end of the rectifying and filtering circuit; a 14 th pin of the control chip is connected with a grid electrode of a second field effect transistor through a ninth resistor, a drain electrode of the second field effect transistor is connected with the other end of the primary winding of the boosting transformer, and a source electrode of the second field effect transistor is connected with a source electrode of the first field effect transistor; the sixth resistor is connected between the 11 th pin of the control chip and the other end of the sixth capacitor; and the seventh resistor is connected between the 14 th pin of the control chip and the other end of the sixth capacitor.
The short-circuit protection circuit comprises a tenth resistor, an eleventh resistor, a twelfth resistor, a first triode, a second triode and a fifth diode; one end of the tenth resistor is connected with the negative output end of the rectification filter circuit, and the other end of the tenth resistor is connected with the base electrode of the first triode through the eleventh resistor; an emitting electrode of the first triode is respectively connected with a 12 th pin of the control chip and a negative output end of the rectification filter circuit, and a collecting electrode of the first triode is connected with a base electrode of the second triode through a twelfth resistor; an emitter of the second triode is connected with a 15 th pin of the control chip, and a collector of the second triode is connected with the anode of the fifth diode; the negative electrode of the fifth diode is respectively connected with the normally open contact of the relay and the input end of one coil of the relay; and the input end of the other coil of the relay is also connected with the emitter of the first triode.
The rectification filter circuit comprises a full-bridge rectification circuit and a third capacitor, wherein the full-bridge rectification circuit is formed by connecting a first diode, a second diode, a third diode and a fourth diode; the input end of the full-bridge rectification circuit is connected with the secondary winding of the boosting transformer, and the output end of the full-bridge rectification circuit is respectively connected with the two ends of the third capacitor; and two ends of the third capacitor respectively form a positive output end and a negative output end of the rectification filter circuit.
The voltage stabilizing circuit comprises a first resistor and a second resistor; one end of the first resistor is connected with the positive output end of the rectification filter circuit, and the other end of the first resistor is connected with the 1 st pin of the control chip; one end of the second resistor is connected with the 1 st pin of the control chip, and the other end of the second resistor is connected with the other end of the fifth resistor; the second resistor is also connected in parallel with a fourth capacitor.
Further, the circuit also comprises a third resistor, a fourth resistor, a fifth capacitor, a seventh capacitor and a thirteenth resistor; the third resistor is connected between the 16 th pin and the 2 nd pin of the control chip; the fourth resistor is connected between the 5 th pin and the 7 th pin of the control chip; one end of a fifth capacitor is connected with the No. 2 pin of the control chip, and the other end of the fifth capacitor is connected with the other end of the fifth resistor; one end of a seventh capacitor is connected with the 8 th pin of the control chip, and the other end of the seventh capacitor is connected with the other end of the sixth capacitor; the thirteenth resistor is connected between the 15 th pin and the 9 th pin of the control chip.
Further, the circuit also comprises a second capacitor and a first capacitor; the second capacitor is connected between the two coil input ends of the relay; the first capacitor is connected between the input end of one of the coils and the output of the solar storage battery.
Furthermore, the device also comprises a switch and a fuse; and the movable contact of the relay is connected with the output of the solar storage battery through the switch and the fuse in sequence.
The solar street lamp has the advantages that the solar street lamp comprises a high-frequency oscillation circuit, a push-pull output circuit, a step-up transformer and a rectification filter circuit, wherein the input of the high-frequency oscillation circuit is connected with the output of a solar storage battery through a relay, the output of the high-frequency oscillation circuit is connected with the input of the push-pull output circuit, the output of the push-pull output circuit is connected with a primary winding of the step-up transformer, and a secondary winding of the step-up transformer is connected with the output of the rectification filter circuit, so that low-voltage direct current stored in the solar storage battery can be changed into high-voltage direct current which can be directly used by a common alternating current light source or a high-power LED lamp after the processes of high-frequency oscillation, push-pull output, step-up. In addition, the control device is also connected with a short-circuit protection circuit and a voltage stabilizing circuit, so that the control device is more reliable and stable in the working process.
In conclusion, the control device is applied to the solar street lamp, so that the selection range of the light source of the solar street lamp is widened, and the requirements of high lighting effect, low cost and high reliability of the solar street lamp in the application process can be met.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the control device of the solar street light of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a functional block diagram of the present invention;
fig. 2 is a schematic circuit connection diagram of the present invention.
Detailed Description
In an embodiment, please refer to fig. 1, the control device of a solar street lamp of the present invention includes a high-frequency oscillation circuit 3, a push-pull output circuit 4, a step-up transformer 5, a rectifying and filtering circuit 7, a short-circuit protection circuit 8, a voltage stabilizing circuit 9, and a relay 2; the input of the high-frequency oscillation circuit 3 is connected with the output of the solar storage battery 1 through a normally closed contact of the relay 2, and the output of the high-frequency oscillation circuit 3 is connected with the input of the push-pull output circuit 4; the output of the push-pull output circuit 4 is connected with the primary winding of the boosting transformer 5; the secondary winding of the booster transformer 5 is connected with the input of the rectifying and filtering circuit 7; the output of the rectifying and filtering circuit 7 is connected with the electric input end of the solar street lamp 6; the short-circuit protection circuit 8 is connected between the output of the rectifying and filtering circuit 7 and the normally open contact of the relay 2; the voltage stabilizing circuit 9 is connected between the output of the rectifying-smoothing circuit 7 and the high-frequency oscillation circuit 3. Here, the output voltage of the solar battery 1 is dc 12v, and the output voltage of the rectifying/smoothing circuit 7 is dc 270 v.
Wherein,
referring to fig. 2, the high frequency oscillating circuit includes a control chip IC3525, a fifth resistor R5 and a sixth capacitor C6; the 15 th pin of the control chip IC3525 is the input end of the high-frequency oscillation circuit 3, and the 15 th pin of the control chip IC3525 is connected with a normally closed contact of a relay JK; the 11 th and 14 th pins of the control chip IC3525 are output ends of the high-frequency oscillation circuit 3, and the 11 th and 14 th pins of the control chip IC3525 are respectively connected with the input of the push-pull output circuit 4; one end of the fifth resistor R5 is connected with the 6 th pin of the control chip IC3525, and the other end of the fifth resistor R5 is connected with the negative output end of the rectifying and filtering circuit 7; one end of the sixth capacitor C6 is connected with the 7 th pin of the control chip IC3525, and the other end of the sixth capacitor C6 is connected with the other end of the fifth resistor R5;
the push-pull output circuit 4 comprises a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a first field-effect tube Q1 and a second field-effect tube Q2; the 11 th pin of the control chip IC 1 is connected with the grid of a first field effect transistor Q1 through an eighth resistor R8, the drain of the first field effect transistor Q1 is connected with one end of a primary winding of a boosting transformer BT1, and the source of the first field effect transistor Q1 is connected with the negative output end of the rectifying and filtering circuit 7; a 14 th pin of the control chip IC 1 is connected with a grid electrode of a second field effect transistor Q2 through a ninth resistor R9, a drain electrode of the second field effect transistor Q2 is connected with the other end of the primary winding of the step-up transformer BT1, and a source electrode of the second field effect transistor Q2 is connected with a source electrode of a first field effect transistor Q1; the sixth resistor R6 is connected between the 11 th pin of the control chip IC3525 and the other end of the sixth capacitor C6; the seventh resistor R7 is connected between the 14 th pin of the control chip IC3525 and the other end of the sixth capacitor C6;
the short-circuit protection circuit 8 comprises a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a first triode Q3, a second triode Q4 and a fifth diode D5; one end of a tenth resistor R10 is connected with the negative output end of the rectifying and filtering circuit 7, and the other end of the tenth resistor R10 is connected with the base electrode of the first triode Q3 through an eleventh resistor R11; an emitter of the first triode Q3 is respectively connected with the 12 th pin of the control chip IC 4 and the negative output end of the rectifying and filtering circuit 7, and a collector of the first triode Q3 is connected with a base of the second triode Q4 through a twelfth resistor R12; an emitter of the second triode Q4 is connected with a 15 th pin of the control chip IC3525, and a collector of the second triode Q4 is connected with the anode of the fifth diode D5; the negative electrode of the fifth diode D5 is respectively connected with the normally open contact of the relay JK and the input end of one coil of the relay JK; the other coil input end of the relay JK is also connected with an emitting electrode of a first triode Q3; the central tap of the primary winding of the step-up transformer BT1, the two coil input ends of the relay JK and the movable contact of the relay JK are respectively connected with the output of the solar storage battery 1;
the rectifying and filtering circuit 7 comprises a full-bridge rectifying circuit formed by connecting a first diode D1, a second diode D2, a third diode D3 and a fourth diode D4, and a third capacitor C3; the input end of the full-bridge rectifying circuit is connected with the secondary winding of the step-up transformer BT1, and the output end of the full-bridge rectifying circuit is respectively connected with the two ends of the third capacitor C3; two ends of the third capacitor C3 respectively form a positive output end and a negative output end of the rectifying and filtering circuit 7;
the voltage stabilizing circuit 9 comprises a first resistor R1 and a second resistor R2; one end of the first resistor R1 is connected with the positive output end of the rectifying and filtering circuit 7, and the other end of the first resistor R1 is connected with the 1 st pin of the control chip IC 3525; one end of the second resistor R2 is connected with the 1 st pin of the control chip IC3525, and the other end of the second resistor R2 is connected with the other end of the fifth resistor R5; the second resistor R2 is further connected in parallel with a fourth capacitor C4;
further, the capacitor further comprises a third resistor R3, a fourth resistor R5, a fifth capacitor C5, a seventh capacitor C7 and a thirteenth resistor R13; the third resistor R3 is connected between the 16 th pin and the 2 nd pin of the control chip IC 3525; the fourth resistor R5 is connected between the 5 th pin and the 7 th pin of the control chip IC 3525; one end of a fifth capacitor C5 is connected with the 2 nd pin of the control chip IC3525, and the other end of the fifth capacitor C5 is connected with the other end of the fifth resistor R5; one end of the seventh capacitor C7 is connected with the 8 th pin of the control chip IC3525, and the other end of the seventh capacitor C7 is connected with the other end of the sixth capacitor C6; a thirteenth resistor R13 is connected between the 15 th pin and the 9 th pin of the control chip IC 3525;
further, a second capacitor C2 and a first capacitor C1 are included; the second capacitor C2 is connected between the two coil input ends of the relay JK; the first capacitor C1 is connected between one of the coil input terminals and the output of the solar battery 1;
further, the device also comprises a switch K1 and a fuse F1; the movable contact of the relay JK is connected to the output of the solar battery 1 through the switch K1 and the fuse F1 in this order.
According to the control device of the solar street lamp, when the movable contact of the relay JK is closed with the normally closed contact thereof and the switch K1 is closed, the output voltage of the solar storage battery enters the control chip IC3525 from the 15 th pin of the control chip IC3525 through the relay JK, so that high-frequency oscillation is generated in the control chip IC 3525. The control chip IC 2 outputs the high-frequency push-pull output signal to the first field-effect transistor Q1 and the second field-effect transistor Q2 through the 11 th pin and the 14 th pin, so as to respectively push the first field-effect transistor Q1 and the second field-effect transistor Q2 to operate. The first field effect transistor Q1 and the second field effect transistor Q2 respectively work in respective working periods, and jointly output a voltage signal of a complete period to the primary winding of the step-up transformer BT 1. The step-up transformer BT1 steps up the voltage to obtain high-voltage and high-frequency alternating current, and the high-voltage and high-frequency alternating current is rectified by the full-bridge rectification circuit and filtered by the third capacitor C3 to become 270 v direct current. The 270V direct current can be directly used by a common alternating current light source or a high-power LED lamp.
According to the control device of the solar street lamp, the short-circuit protection circuit 8 is connected in the circuit, so that when a load is in a short circuit or the power is overlarge, the current flowing through the tenth resistor R10 is increased inevitably, and when the voltage at two ends of the tenth resistor R10 reaches 0.5V, the composite tube formed by the first triode Q3 and the second triode Q4 is conducted, so that the normally closed contact of the driving relay JK is disconnected with the movable contact of the driving relay, the normally open contact of the driving relay is attracted with the movable contact of the driving relay, the solar storage battery is disconnected with the control chip IC 4, and the purpose of protecting the circuit is achieved. The control device is also connected with a voltage stabilizing circuit 9 in a circuit, so that when the output voltage changes due to the voltage or load change of the solar storage battery, the output voltage is fed back to the control chip IC3525 through the first resistor R1, and the duty ratio (pulse width modulation) of the control chip IC3525 is changed, so that the output voltage is stabilized. Here, changing the feedback ratio of the first resistor R1 and the second resistor R2 can change the output voltage.
According to the control device of the solar street lamp, the low-voltage direct current stored in the solar storage battery is sequentially subjected to the processes of high-frequency oscillation, push-pull output, boosting and rectification filtering to be changed into the high-voltage direct current which can be directly used by a common alternating current light source or a high-power LED lamp, so that the selection range of the light source of the solar street lamp is greatly widened. In addition, the short-circuit protection circuit and the voltage stabilizing circuit connected in the control device further enable the control device to be more reliable and stable in the working process.
In conclusion, the control device is applied to the solar street lamp, so that the selection range of the light source of the solar street lamp is widened, and the requirements of high lighting effect, low cost and high reliability of the solar street lamp in the application process can be met.
The above embodiments are only used to further illustrate the control device of the solar street light of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a controlling means of solar street lamp which characterized in that: the high-frequency power supply comprises a high-frequency oscillation circuit, a push-pull output circuit, a boosting transformer, a rectifying and filtering circuit, a short-circuit protection circuit and a relay; the input of the high-frequency oscillation circuit is connected with the output of the solar storage battery through a normally closed contact of the relay, and the output of the high-frequency oscillation circuit is connected with the input of the push-pull output circuit; the output of the push-pull output circuit is connected with the primary winding of the boosting transformer; the secondary winding of the step-up transformer is connected with the input of the rectifying and filtering circuit; the output of the rectification filter circuit is connected with the electric input end of the solar street lamp; the center tap of the primary winding of the step-up transformer, the two coil input ends of the relay and the movable contact of the relay are respectively connected with the output of the solar storage battery; the short-circuit protection circuit is connected between the output of the rectification filter circuit and the normally open contact of the relay;
the high-frequency oscillation circuit comprises a control chip, a fifth resistor and a sixth capacitor; a 15 th pin of the control chip is an input end of the high-frequency oscillation circuit, and the 15 th pin of the control chip is connected with the normally closed contact of the relay; the 11 th pin and the 14 th pin of the control chip are output ends of the high-frequency oscillation circuit, and the 11 th pin and the 14 th pin of the control chip are respectively connected with the input end of the push-pull output circuit; one end of the fifth resistor is connected with a pin 6 of the control chip, and the other end of the fifth resistor is connected with the negative output end of the rectification filter circuit; one end of the sixth capacitor is connected with the 7 th pin of the control chip, and the other end of the sixth capacitor is connected with the other end of the fifth resistor;
the short-circuit protection circuit comprises a tenth resistor, an eleventh resistor, a twelfth resistor, a first triode, a second triode and a fifth diode; one end of the tenth resistor is connected with the negative output end of the rectification filter circuit, and the other end of the tenth resistor is connected with the base electrode of the first triode through the eleventh resistor; an emitting electrode of the first triode is respectively connected with a 12 th pin of the control chip and a negative output end of the rectification filter circuit, and a collecting electrode of the first triode is connected with a base electrode of the second triode through a twelfth resistor; an emitter of the second triode is connected with a 15 th pin of the control chip, and a collector of the second triode is connected with the anode of the fifth diode; the negative electrode of the fifth diode is respectively connected with the normally open contact of the relay and the input end of one coil of the relay; and the input end of the other coil of the relay is also connected with the emitter of the first triode.
2. The control device of the solar street light according to claim 1, wherein: the push-pull output circuit comprises a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a first field effect transistor and a second field effect transistor; a 11 th pin of the control chip is connected with a grid electrode of a first field effect transistor through an eighth resistor, a drain electrode of the first field effect transistor is connected with one end of a primary winding of the boosting transformer, and a source electrode of the first field effect transistor is connected with a negative output end of the rectifying and filtering circuit; a 14 th pin of the control chip is connected with a grid electrode of a second field effect transistor through a ninth resistor, a drain electrode of the second field effect transistor is connected with the other end of the primary winding of the boosting transformer, and a source electrode of the second field effect transistor is connected with a source electrode of the first field effect transistor; the sixth resistor is connected between the 11 th pin of the control chip and the other end of the sixth capacitor; and the seventh resistor is connected between the 14 th pin of the control chip and the other end of the sixth capacitor.
3. The control device of the solar street light according to claim 1, wherein: the rectification filter circuit comprises a full-bridge rectification circuit and a third capacitor, wherein the full-bridge rectification circuit is formed by connecting a first diode, a second diode, a third diode and a fourth diode; the input end of the full-bridge rectification circuit is connected with the secondary winding of the boosting transformer, and the output end of the full-bridge rectification circuit is respectively connected with the two ends of the third capacitor; and two ends of the third capacitor respectively form a positive output end and a negative output end of the rectification filter circuit.
4. The control device of the solar street light according to claim 1, wherein: the voltage stabilizing circuit comprises a first resistor and a second resistor; one end of the first resistor is connected with the positive output end of the rectification filter circuit, and the other end of the first resistor is connected with the 1 st pin of the control chip; one end of the second resistor is connected with the 1 st pin of the control chip, and the other end of the second resistor is connected with the other end of the fifth resistor; the second resistor is also connected in parallel with a fourth capacitor.
5. The control device of the solar street light according to claim 1, wherein: further, the circuit also comprises a third resistor, a fourth resistor, a fifth capacitor, a seventh capacitor and a thirteenth resistor; the third resistor is connected between the 16 th pin and the 2 nd pin of the control chip; the fourth resistor is connected between the 5 th pin and the 7 th pin of the control chip; one end of a fifth capacitor is connected with the No. 2 pin of the control chip, and the other end of the fifth capacitor is connected with the other end of the fifth resistor; one end of a seventh capacitor is connected with the 8 th pin of the control chip, and the other end of the seventh capacitor is connected with the other end of the sixth capacitor; the thirteenth resistor is connected between the 15 th pin and the 9 th pin of the control chip.
6. The control device of the solar street light according to claim 1, wherein: further, the circuit also comprises a second capacitor and a first capacitor; the second capacitor is connected between the two coil input ends of the relay; the first capacitor is connected between the input end of one of the coils and the output of the solar storage battery.
7. The control device of the solar street light according to claim 1, wherein: furthermore, the device also comprises a switch and a fuse; and the movable contact of the relay is connected with the output of the solar storage battery through the switch and the fuse in sequence.
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| CN201010283538XA CN102404904B (en) | 2010-09-15 | 2010-09-15 | Control device of solar street lamp |
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| CN201010283538XA CN102404904B (en) | 2010-09-15 | 2010-09-15 | Control device of solar street lamp |
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| CN102404904A CN102404904A (en) | 2012-04-04 |
| CN102404904B true CN102404904B (en) | 2013-12-25 |
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| CN102752919A (en) * | 2012-06-15 | 2012-10-24 | 芜湖市神龙新能源科技有限公司 | Concentrated power supply system of solar light-emitting diode (LED) street lamps in residential districts |
| CN102843831A (en) * | 2012-08-21 | 2012-12-26 | 芜湖市神龙新能源科技有限公司 | Road lamp using solar energy to carry out light-dependent control and time control |
| CN103281010A (en) * | 2013-05-28 | 2013-09-04 | 南京化工职业技术学院 | Circuit structure of solar energy mosquito control window |
| CN104883779B (en) * | 2015-05-14 | 2017-11-24 | 陕西锐士电子技术有限公司 | Solar power generation HVDC centrally connected power supply LED street lamp system |
| CN107612499A (en) * | 2017-10-13 | 2018-01-19 | 深圳市美克能源科技股份有限公司 | A kind of solar energy power frequency combining inverter and its photovoltaic energy storage generate electricity |
| CN110119118B (en) * | 2018-02-05 | 2024-03-01 | 中国科学院沈阳自动化研究所 | Low-cost energy-saving wireless remote automatic on-off device and method applied to AGV |
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| CN2289338Y (en) * | 1996-10-29 | 1998-08-26 | 青海省新能源研究所 | Portable ac and dc dual-purpose solar power supply device |
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| CN101312301A (en) * | 2007-05-22 | 2008-11-26 | 上海空间电源研究所 | Charging apparatus and method for lithium ion battery pile |
| CN101771266A (en) * | 2010-01-26 | 2010-07-07 | 海洋王照明科技股份有限公司 | Over-current protection circuit applied to high-power motor and on-vehicle lamp |
| CN201830512U (en) * | 2010-09-15 | 2011-05-11 | 漳州国绿太阳能科技有限公司 | Control device of solar street lamp |
-
2010
- 2010-09-15 CN CN201010283538XA patent/CN102404904B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2289338Y (en) * | 1996-10-29 | 1998-08-26 | 青海省新能源研究所 | Portable ac and dc dual-purpose solar power supply device |
| US6274988B1 (en) * | 2000-01-27 | 2001-08-14 | R-Can Environmental Inc. | Open loop current control ballast low pressure mercury germicidal UV lamps |
| CN101312301A (en) * | 2007-05-22 | 2008-11-26 | 上海空间电源研究所 | Charging apparatus and method for lithium ion battery pile |
| CN101771266A (en) * | 2010-01-26 | 2010-07-07 | 海洋王照明科技股份有限公司 | Over-current protection circuit applied to high-power motor and on-vehicle lamp |
| CN201830512U (en) * | 2010-09-15 | 2011-05-11 | 漳州国绿太阳能科技有限公司 | Control device of solar street lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102404904A (en) | 2012-04-04 |
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