CN204100099U - Solar street light - Google Patents
Solar street light Download PDFInfo
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- CN204100099U CN204100099U CN201420427400.6U CN201420427400U CN204100099U CN 204100099 U CN204100099 U CN 204100099U CN 201420427400 U CN201420427400 U CN 201420427400U CN 204100099 U CN204100099 U CN 204100099U
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 122
- 229910052742 iron Inorganic materials 0.000 claims abstract description 61
- 238000005286 illumination Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 description 14
- 230000006870 function Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003733 optic disk Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The utility model discloses a kind of solar street light, comprising: the power module with solar panel and iron cell group, iron cell group stores the electric energy that solar panel exports; Comprise the LED group of multiple LED parallel with one another; The charge and discharge control module be connected with LED group with power module respectively, charge and discharge control module controls power module and carries out charge or discharge, and charge and discharge control module comprises: the switch element be connected with LED group with power module respectively; The intensity of illumination detecting unit of intensity of illumination detection signal is generated according to intensity of illumination; The control chip be connected with intensity of illumination detecting unit with switch element respectively.The utility model can realize directly powering to LED group, and save DC and turn DC power supply, lamp holder is lightweight, and cost is low, efficiency and reliability high, and safeguard simple.
Description
Technical field
The utility model relates to LED technology field, particularly a kind of solar street light.
Background technology
LED is a kind of light emitting diode, and after LED forward conduction, when turn-on voltage variation is very little, electric current varies widely, and can be similar to and be interpreted as that the forward conduction voltage of LED is constant.Accordingly in the illumination application of LED, there are constant voltage mode and current constant mode two kinds to the power supply mode of LED.
In correlation technique, in the system that battery is powered to LED, based on current constant mode, in current constant mode, the input current of LED is constant, due to the optical parametric stable performance that LED exports, therefore, selects the constant-current source mated with LED operating current.That is, the electric current that exports of battery carries out through constant-current source the operating current that DC-DC is transformed into applicable LED and powers to LED.
Current constant mode in correlation technique is reasonable power supply mode, but which also has following shortcoming:
One, the own consumed energy of constant-current source, efficiency is low.
Two, limit the application of LED parallel connection, if the open circuit of a certain LED parallel branch, the ER effect in other parallel branches can be caused large, affect the life-span of LED in other parallel branches.
If three each single led lamp parallel branch one constant-current sources, although solve the problem of LED parallel connection application, turn increase the complexity of power supply, cost up, reliability step-down, maintenance complicates.
Therefore, need to improve correlation technique.
Utility model content
The purpose of this utility model is intended to solve one of above-mentioned technical problem at least to a certain extent.
For this reason, an object of the present utility model is to propose a kind of solar street light, and the power supply energy consumption of this solar street light is few, efficiency and reliability high, and structure is simple, and cost is low, is convenient to safeguard.
For achieving the above object, the utility model proposes a kind of solar street light, this solar street light comprises: the power module with solar panel and iron cell group, and described iron cell group stores the electric energy that described solar panel exports; Comprise the LED group of multiple LED parallel with one another; And the charge and discharge control module be connected with described LED group with described power module respectively, described charge and discharge control module controls described power module and carries out charge or discharge, and described charge and discharge control module comprises: the switch element be connected with described LED group with described power module respectively; The intensity of illumination detecting unit of intensity of illumination detection signal is generated according to intensity of illumination; The control chip be connected with described intensity of illumination detecting unit with described switch element respectively.
The solar street light that the utility model proposes, iron cell group is adopted to store the electric energy of solar panel output, and then the intensity of illumination detection signal gauge tap cell conduction to be generated according to preset signals threshold value and intensity of illumination detecting unit by control chip or shutoff, thus realize controlling power module and carry out charge or discharge.The power supply energy consumption of this solar street light is few, efficiency and reliability high, and structure is simple, and cost is low, is convenient to safeguard.
Further, described charge and discharge control module is connected with described LED group by cable with described power module.
Further, described cable comprises the first cable and the second cable, described switch element comprises the first switching tube and second switch pipe, wherein, the first end of described first switching tube is connected with one end of described iron cell group with one end of described solar panel respectively, second end of described first switching tube is connected with one end of described first cable, and the control end of described first switching tube is connected with described control chip; The other end of described first cable is connected with one end of described LED group; One end of described second cable is connected with the other end of described LED group; The first end of described second switch pipe is connected with the other end of described solar panel, second end of described second switch pipe is connected with the other end of described iron cell group with the other end of described second cable, one end of described intensity of illumination detecting unit respectively, and the control end of described second switch pipe is connected with described control chip.
Further, described intensity of illumination detecting unit comprises: photodiode, and the negative electrode of described photodiode is connected with described control chip; First resistance, one end of described first resistance is connected with the anode of described photodiode, and the other end of described first resistance is connected with the other end of described iron cell group with the second end of described second switch pipe, the other end of described second cable respectively.
Further; described solar street light also comprises over-charge protective module and the Cross prevention module of series connection; wherein; the first end of described over-charge protective module is connected with the first end of described first switching tube with one end of described solar panel respectively; second end of described over-charge protective module is connected with the first end of described Cross prevention module; the control end of described over-charge protective module is connected with described control chip respectively with the control end of described Cross prevention module, and the second end of described Cross prevention module is connected with one end of described iron cell group.
Further, described over-charge protective module is the 3rd switching tube, and described Cross prevention module is the 4th switching tube.
Further, described first switching tube, described 3rd switching tube and described 4th switching tube are NMOS tube, and described second switch pipe is PMOS.
The aspect that the utility model is additional and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
The utility model above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the solar street light according to the utility model embodiment;
Fig. 2 is the structural representation of the solar street light according to the utility model embodiment;
Fig. 3 is the discharge curve of iron cell and the forward voltage curve of LED of solar street light according to the utility model embodiment; And
Fig. 4 is the structural representation of the solar street light according to another embodiment of the utility model.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The solar street light proposed according to the utility model embodiment is described with reference to the accompanying drawings.
As shown in Figure 1, the solar street light of the utility model embodiment comprises: power module 10, LED group 20 and charge and discharge control module 30.Wherein, power module 10 has solar panel 101 and iron cell group 102, and solar energy is converted to electric energy by solar panel 101, and iron cell group 102 comprises multiple iron cell, and iron cell group 102 stores the electric energy that solar panel 101 exports.LED group 20 comprises multiple LED LED1 to LEDN parallel with one another.Charge and discharge control module 30 is connected with LED group 20 with power module 10 respectively, charge and discharge control module 30 controls power module 10 and carries out charge or discharge, and charge and discharge control module 30 comprises: switch element 301, intensity of illumination detecting unit 302 and control chip 303.Wherein, switch element 301 is connected with LED group 20 with power module 10 respectively.Intensity of illumination detecting unit 302 generates intensity of illumination detection signal according to intensity of illumination.Control chip 303 is connected with intensity of illumination detecting unit 302 with switch element 301 respectively, and control chip 303 is according to intensity of illumination detection signal and unit 301 conducting of preset signals threshold value gauge tap or shutoff.
Further, as shown in Figure 2 and Figure 4, in an embodiment of the present utility model, charge and discharge control module 30 is connected with LED group 20 by cable 40 with power module 10.
It should be noted that, the material of cable 40 current-carrying part can for having the copper of impedance, and the impedance computation formula of cable 40 can be:
R＝(ρ×L)/S
Wherein, ρ is the resistivity of current-carrying part, and L is the length of cable 40, and S is the cross-sectional area of current-carrying part.
In addition, it should be noted that, as shown in Figure 3, wherein, curve 1 and curve 2 are the discharge curve of iron cell, and curve 3 is the forward voltage curve of LED for the discharge curve of iron cell and the forward voltage curve of LED.Can find from Fig. 3, in the discharge curve of the section sometime of iron cell, the electricity major part of iron cell concentrates on a certain discharge platform and a certain voltage, and the forward voltage of LED is also approximately certain value.Further, as shown in Figure 2 and Figure 4, iron cell group 102 is directly connected with LED group 20 by cable 40, and namely iron cell group 102 can be powered directly to LED group 20.In an embodiment of the present utility model, the discharge platform voltage of iron cell group 102 can be 3.2V, in LED group 20, the forward conduction voltage of multiple LED LED1 to LEDN parallel with one another can be 3V, therefore, only suitable impedance R need be selected to mate the voltage difference between the discharge platform voltage of iron cell group 102 and the forward conduction voltage of LED group 20, make iron cell group 102 on the discharge platform of concentration of energy, export forward conduction electric current needed for LED group 20.Can find from the impedance computation formula of cable 40, the impedance R of cable 40 is directly proportional to length L, is inversely proportional to, thus determines the size of impedance R with the cross-sectional area S of current-carrying part, and after selecting suitable cable cross-sectional area, can determine the length of cable.
Therefore, in the utility model, cable 40, not only for connecting charge and discharge control module 30, power module 10 and LED group 20, more crucially mates the voltage difference between the discharge platform voltage of iron cell group 102 and the forward conduction voltage of LED group 20 as impedance R.It should be noted that, the forward conduction voltage of the discharge platform voltage ratio LED group 20 of the iron cell group 102 of the utility model embodiment is high, and voltage difference between the discharge platform voltage of iron cell group 102 and the forward conduction voltage of LED group 20 is less, therefore, impedance R for mating is also less, thus cable 40 oversize causing can be avoided to waste.
What needs further illustrated is, as shown in Figure 3, the electric discharge starting stage of iron cell after being full of electricity, although voltage is higher, make the electric current flowing through LED larger (exceeding the forward conduction electric current needed for LED), but, because electric discharge duration starting stage is short, LED is not almost affected, therefore this stage can be neglected, only need on the discharge platform of iron cell concentration of energy, iron cell can export the forward conduction electric current met needed for LED luminescence, and when selecting the voltage gear of multiple LED LED1 to LEDN parallel with one another, select the LED that voltage uniformity is high, and when selecting the multiple iron cell in iron cell group 102, select the iron cell that discharge platform uniformity is good.
Further, as shown in Figure 2 and Figure 4, in an embodiment of the present utility model, cable 40 can comprise the first cable 401 and the second cable 402, and switch element 301 can comprise the first switching tube Q1 and second switch pipe Q2.Wherein, the first end of the first switching tube Q1 is connected with one end such as negative pole of iron cell group 102 with one end such as low level end of solar panel 101 respectively, second end of the first switching tube Q1 is connected with one end of the first cable 401, and the control end of the first switching tube Q1 is connected with control chip 303.The other end of the first cable 401 is connected with one end of LED group 20.One end of second cable 402 is connected with the other end of LED group 20.The first end of second switch pipe Q2 is connected with the other end of solar panel 101 such as high level end, second end of second switch pipe Q2 is connected with the other end such as positive pole of iron cell group 102 with the other end of the second cable 402, one end of intensity of illumination detecting unit 302 respectively, and the control end of second switch pipe Q2 is connected with control chip 303.
Further, as shown in Figure 2 and Figure 4, in an embodiment of the present utility model, intensity of illumination detecting unit 302 can comprise photodiode D and the first resistance R1.Wherein, the negative electrode of photodiode D is connected with control chip 303.One end of first resistance R1 is connected with the anode of photodiode D, and the other end of the first resistance R1 is connected with the other end of iron cell group 102 with second end of second switch pipe Q2, the other end of the second cable 402 respectively.Further, the voltage of intensity of illumination detecting unit 302 can as intensity of illumination detection signal, and then control chip 303 is daytime or night according to intensity of illumination detection signal and preset signals threshold decision, to control conducting or the shutoff of the first switching tube Q1 and second switch pipe Q2.Particularly, in an embodiment of the present utility model, when intensity of illumination detection signal is greater than preset signals threshold value, it is daytime that control chip 303 judges, and controls the first switching tube Q1 and turn off, second switch pipe Q2 conducting, iron cell group 102 is charged, and LED group 20 is not luminous.In another embodiment of the present utility model, when intensity of illumination detection signal is greater than preset signals threshold value, it is night that control chip 303 judges, and controls the first switching tube Q1 conducting, and second switch pipe Q2 turns off, and iron cell group 102 is discharged, and LED group 20 is luminous.
Further, as shown in Figure 4, in another embodiment of the present utility model, solar street light can also comprise over-charge protective module 50 and Cross prevention module 60.Wherein, over-charge protective module 50 and Cross prevention module 60 are connected; the first end of over-charge protective module 50 is connected with the first end of the first switching tube Q1 with one end of solar panel 101 respectively; second end of over-charge protective module 50 is connected with the first end of Cross prevention module 60; the control end of over-charge protective module 50 is connected with control chip 303 respectively with the control end of Cross prevention module 60, and the second end of Cross prevention module 60 is connected with one end of iron cell group 102.
Further, as shown in Figure 4, in another embodiment of the present utility model, over-charge protective module 50 can be the 3rd switching tube Q3, and Cross prevention module 60 can be the 4th switching tube Q4.
Particularly; in an embodiment of the present utility model; when iron cell group 102 overcharges maximum voltage greater than or equal to iron cell group 102 of such as iron cell group 102 voltage; control chip 303 controls over-charge protective module 50 such as the 3rd switching tube Q3 and turns off to cut off the charge circuit between solar panel 101 and iron cell group 102, thus protection iron cell group 102.In another embodiment of the present utility model; when the discharge current of iron cell group 102 is excessive or iron cell group 102 cross put minimum voltage less than or equal to iron cell group 102 of such as iron cell group 102 voltage time; control chip 303 controls Cross prevention module 60 such as the 4th switching tube Q4 and turns off to cut off the discharge loop between iron cell group 102 and LED group 20; iron cell group 102 does not export electric energy, realizes protection iron cell group 102.
Further, as shown in Figure 2 and Figure 4, in an embodiment of the present utility model, the first switching tube Q1, the 3rd switching tube Q3 and the 4th switching tube Q4 can be NMOS tube, and second switch pipe Q2 can be PMOS.
Further, as shown in Figure 4, in another embodiment of the present utility model, solar street light can also comprise temperature protection module 70, and temperature protection module 70 detects the temperature of iron cell group 102.Further, in an embodiment of the present utility model, when the temperature of iron cell group 102 is too high, control chip 303 can turn off by gauge tap unit 301, thus control iron cell group 102 stops charge or discharge.Particularly, in an embodiment of the present utility model, temperature protection module 70 can be NTC thermistor Rntc.
The solar street light that the utility model proposes, iron cell group is adopted to store the electric energy of solar panel output, and then the intensity of illumination detection signal to be generated according to intensity of illumination detecting unit by control chip and preset signals threshold value gauge tap cell conduction or shutoff, thus realize controlling power module and carry out charge or discharge.This solar street light only need regulate cable resistance to mate the voltage difference between the discharge platform voltage of iron cell group and the forward conduction voltage of LED group, can realize directly powering to LED group, save DC and turn DC power supply, power supply energy consumption is few, significantly reduce lamp holder weight, reduce cost, improve efficiency and reliability, and safeguard simple.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred embodiment of the present utility model comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiment person of ordinary skill in the field of the present utility model.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalency thereof.
Claims (7)
1. a solar street light, is characterized in that, comprising:
Have the power module of solar panel and iron cell group, described iron cell group stores the electric energy that described solar panel exports;
Comprise the LED group of multiple LED lamp parallel with one another; And
The charge and discharge control module be connected with described LED group with described power module respectively, described charge and discharge control module controls described power module and carries out charge or discharge, and described charge and discharge control module comprises:
The switch element be connected with described LED group with described power module respectively;
The intensity of illumination detecting unit of intensity of illumination detection signal is generated according to intensity of illumination;
The control chip be connected with described intensity of illumination detecting unit with described switch element respectively.
2. solar street light as claimed in claim 1, it is characterized in that, described charge and discharge control module is connected with described LED group by cable with described power module.
3. solar street light as claimed in claim 2, it is characterized in that, described cable comprises the first cable and the second cable, and described switch element comprises the first switching tube and second switch pipe, wherein,
The first end of described first switching tube is connected with one end of described iron cell group with one end of described solar panel respectively, second end of described first switching tube is connected with one end of described first cable, and the control end of described first switching tube is connected with described control chip;
The other end of described first cable is connected with one end of described LED group;
One end of described second cable is connected with the other end of described LED group;
The first end of described second switch pipe is connected with the other end of described solar panel, second end of described second switch pipe is connected with the other end of described iron cell group with the other end of described second cable, one end of described intensity of illumination detecting unit respectively, and the control end of described second switch pipe is connected with described control chip.
4. solar street light as claimed in claim 3, it is characterized in that, described intensity of illumination detecting unit comprises:
Photodiode, the negative electrode of described photodiode is connected with described control chip;
First resistance, one end of described first resistance is connected with the anode of described photodiode, and the other end of described first resistance is connected with the other end of described iron cell group with the second end of described second switch pipe, the other end of described second cable respectively.
5. solar street light as claimed in claim 4, it is characterized in that, also comprise over-charge protective module and the Cross prevention module of series connection, wherein, the first end of described over-charge protective module is connected with the first end of described first switching tube with one end of described solar panel respectively, second end of described over-charge protective module is connected with the first end of described Cross prevention module, the control end of described over-charge protective module is connected with described control chip respectively with the control end of described Cross prevention module, second end of described Cross prevention module is connected with one end of described iron cell group.
6. solar street light as claimed in claim 5, it is characterized in that, described over-charge protective module is the 3rd switching tube, and described Cross prevention module is the 4th switching tube.
7. solar street light as described in any of claims 6, is characterized in that, described first switching tube, described 3rd switching tube and described 4th switching tube are NMOS tube, and described second switch pipe is PMOS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427400.6U CN204100099U (en) | 2014-07-30 | 2014-07-30 | Solar street light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420427400.6U CN204100099U (en) | 2014-07-30 | 2014-07-30 | Solar street light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204100099U true CN204100099U (en) | 2015-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420427400.6U Expired - Lifetime CN204100099U (en) | 2014-07-30 | 2014-07-30 | Solar street light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204100099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489947A (en) * | 2017-08-29 | 2017-12-19 | 江苏浦亚照明科技股份有限公司 | Intelligent led street lamp |
-
2014
- 2014-07-30 CN CN201420427400.6U patent/CN204100099U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489947A (en) * | 2017-08-29 | 2017-12-19 | 江苏浦亚照明科技股份有限公司 | Intelligent led street lamp |
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