CN109147588A - A kind of portable type solar energy LED display board - Google Patents
A kind of portable type solar energy LED display board Download PDFInfo
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- CN109147588A CN109147588A CN201811324423.3A CN201811324423A CN109147588A CN 109147588 A CN109147588 A CN 109147588A CN 201811324423 A CN201811324423 A CN 201811324423A CN 109147588 A CN109147588 A CN 109147588A
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- circuit
- voltage
- lithium battery
- anode
- led display
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 55
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 8
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H02J7/027—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses a kind of portable type solar energy LED display boards, it is characterised in that: including charging storage unit and LED display control unit；Charging storage unit includes lithium battery, lithium battery voltage sample circuit, voltage comparator, the rectifier circuit that electric main is rectified, solar panel, the power output end of solar panel and the output end of rectifier circuit are in parallel, circuit after parallel connection is also connected with filter regulator circuit, the output end of filter regulator circuit is connected to the first voltage input terminal of voltage comparator after passing through bleeder circuit, the output end of filter regulator circuit also passes through switching circuit and connect respectively with the second voltage input terminal of the anode of lithium battery and voltage comparator, lithium battery anode is connect with the sampling end of lithium battery voltage sample circuit, the present invention is on the basis of traditional Led display board, it joined the function of charging storage, the characteristics of capable of generating electricity outdoors in combination with solar panel, it is used in combination, people are met for portable Led The demand of display board.
Description
Technical field
The present invention relates to LED display technical fields, and in particular to a kind of portable type solar energy LED display board.
Background technique
The important medium that Led display board is propagated as information, has been widely used in indoor and outdoor and has needed to show figure
The public place that service content and service aim publicity are carried out with Chinese character, such as megastore, station, harbour, subway station, food and drink report
Valence, building lamp decoration, traffic lights, Landscape Lighting and all kinds of working windows etc..Obviously, Led, which is shown, has become city lighting, shows
One important symbol of generationization and informationized society.But for open air, the Led display board especially temporarily set up, due to outer
Power supply is connect, the laying for route is very troublesome, and with high costs.This requires one kind not to need external power supply, energy
Precharge or the Led display board for having power generator in itself, portable type solar energy Led display board are exactly needed in this background
It asks down and expedites the emergence of.
Summary of the invention
Based on the deficiencies of the prior art, it the present invention provides a kind of portable type solar energy Led display board, is shown in conjunction with Led
The practicability of plate in daily life, while this self-contained solar panels, can charge to included battery every now and then,
Electricity is supplemented, meets people for the outdoor portable demand of Led display board.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of portable type solar energy LED display board, it is characterised in that: including charging storage unit and LED display control unit；
The charging storage unit include lithium battery, lithium battery voltage sample circuit, voltage comparator, electric main, to friendship
Rectifier circuit, the solar panel that stream alternating current is rectified, the power output end and rectifier circuit of solar panel
Output end it is in parallel, it is in parallel after circuit be also connected with filter regulator circuit, the output end of the filter regulator circuit by point
The first voltage input terminal of the voltage comparator is connected to after volt circuit, for providing reference voltage for lithium battery, institute
The output end for stating filter regulator circuit also passes through second voltage of the switching circuit respectively with the anode of lithium battery and voltage comparator
Input terminal connection, the lithium battery anode are also connect with the sampling end of the lithium battery voltage sample circuit, and when the lithium electricity
When the voltage of cell voltage sample circuit acquisition is lower than reference voltage, the voltage comparator output signal control switch circuit
It is opened for the lithium battery charging, when the voltage of lithium battery voltage sample circuit acquisition is higher than reference voltage, institute
The voltage comparator signal that output control switch circuit is not opened is stated, the output end of the filter regulator circuit does not fill for lithium battery
Electricity；
The LED display control unit includes LED common anode lattice module, single-chip microcontroller, latch and several LED triodes
Drive module, each I/O port of the first delivery outlet of the single-chip microcontroller are connected respectively each described LED triode and drive
The driving end of dynamic model block, the output end of each LED triode drive module are connected respectively LED common anode lattice module
Each common-anode, second delivery outlet of single-chip microcontroller connects the latch, each I/O port point of the latch output
It is not correspondingly connected with the cathode of the LED light of the common-anode of LED common anode lattice module.
Further, several described LED triode drive module structures are identical, include the first PNP triode and electricity
Resistance, the I/O port connection of the first delivery outlet of the grid and single-chip microcontroller of first PNP triode, tri- pole the first PNP
It is grounded after resistance described in the drain series of pipe, the source electrode of first PNP triode connects positive pole, the LED common anode point
Each common-anode of array module is connect with the drain electrode of the first PNP triode respectively, is connected to the yin of the LED light on same common-anode
Pole is connect with the IO of latch respectively.
Further, the both ends of the lithium battery be also parallel with for being overcharged to lithium battery, over-discharge and short circuit overcurrent
The li-ion cell protection unit of protection.
Further, the li-ion cell protection unit includes the battery protection chip and its peripheral circuit of model DW01.
Further, the bleeder circuit includes first resistor R1 and the first zener diode D3, the first resistor
First end is connect with the output end of the filter regulator circuit, and second end is connect with the cathode of the first zener diode D3,
The plus earth of the first zener diode D3, the cathode of the first zener diode D3 and the cathode of voltage comparator connect
It connects.
Further, the voltage of the first zener diode D3 negative pole end is 4.2V.
Further, the sample circuit includes the second resistance R5 being cascaded and first capacitor C5, and described first
The other end of capacitor C5 is grounded, and the other end of the second resistance R5 and the anode of lithium battery connect.
Further, the switching circuit includes the second PNP type triode and 3rd resistor R9, second positive-negative-positive three
The drain electrode of pole pipe is connect with the output end of the filter regulator circuit, the output end connection of grid and voltage comparator, source electrode point
It is not connect with the anode of the anode of lithium battery and voltage comparator, when the voltage of sample circuit acquisition is lower than 4.3V, voltage ratio
Low-voltage is exported compared with device, the conducting of the second PNP triode charges to lithium battery；When sampling circuit samples voltage is higher than 4.3V
When, voltage comparator output HIGH voltage, the second PNP triode cut-off does not charge to lithium battery.
Preferably, the latch uses the latch of model 74HC573.
The invention has the benefit that joined the function of charging storage on the basis of traditional Led display board, tying simultaneously
The characteristics of solar panel can generate electricity outdoors is closed, is used in combination, meets people for the need of portable Led display board
It asks, application prospect is good.
Detailed description of the invention
Fig. 1 be the specific embodiment of the invention the rectifier circuit being connect respectively with alternating current and solar panel and with it is whole
Flow the filter regulator circuit of bridge circuit connection；
Fig. 2 is the connection of the switching circuit, sample circuit, comparator and li-ion cell protection unit of the specific embodiment of the invention
Schematic diagram；
Fig. 3 is the structure principle chart of the LED display control unit of the specific embodiment of the invention.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.
A kind of portable solar energy Led display board provided in this embodiment is one kind itself with charging storage function, and
The device of information needed is intelligently shown in Led display board by control circuit.
The device includes three layers: positive layer Led display panel；Middle layer charging storage unit, Led display control unit two
Circuit control unit；Back layer solar panel.
As shown in Figs. 1-2, charging storage unit, design charging process can pass through electric main or solar panel direct current
Two ways.Including lithium battery, lithium battery voltage sample circuit, voltage comparator, electric main, electric main is rectified
Rectifier circuit, solar panel, the power output end of solar panel and the output end of rectifier circuit are in parallel, and
Circuit after connection is also connected with filter regulator circuit, and the output end of the filter regulator circuit is by being connected to institute after bleeder circuit
The first voltage input terminal for stating voltage comparator, for providing reference voltage for lithium battery, the filter regulator circuit
Output end also passes through switching circuit and connect respectively with the second voltage input terminal of the anode of lithium battery and voltage comparator, the lithium
Anode is also connect with the sampling end of the lithium battery voltage sample circuit, and when the lithium battery voltage sample circuit acquires
Voltage be lower than reference voltage when, the voltage comparator output signal control switch circuit is opened for the lithium battery and fills
Electricity, when the voltage of lithium battery voltage sample circuit acquisition is higher than reference voltage, the voltage comparator is not exported
The signal that control switch circuit is opened, the output end of the filter regulator circuit are not lithium battery charging；
Exchange 220v exchanges 22v by becoming after transformation, is converted to direct current by full bridge rectifier, then passes through filter
Wave rectification circuit is converted to required voltage, and filter rectifier makees low-and high-frequency filtering using two polar capacitors C1, C2, connects
Three terminal regulator LM7815CT exports direct voltage 15V, and back reconnects bipolarity capacitor C3, C4 and makees low-and high-frequency filtering, then connects
Voltage-stablizer LM317AH is met, by adjusting resistance R6, stablizes both ends output in 5V.In addition, solar panel (15V < voltage
Value < 22V) it is linked into the output end of full bridge rectifier, and by diode D6, prevent and mutually gone here and there after AC transformation.In this way,
When not having electric main charging, punching electricity can be realized by solar panel.
The bleeder circuit includes first resistor R1 and the first zener diode D3, the first end of the first resistor and institute
The output end connection of filter regulator circuit is stated, second end is connect with the cathode of the first zener diode D3, and described first is steady
The plus earth of diode D3 is pressed, the cathode of the first zener diode D3 and the cathode of voltage comparator connect.
The voltage of the first zener diode D3 negative pole end is 4.2V.
The lithium battery voltage sample circuit includes the second resistance R5 being cascaded and first capacitor C5, and described first
The other end of capacitor C5 is grounded, and the other end of the second resistance R5 and the anode of lithium battery connect.
The switching circuit includes the second PNP type triode and 3rd resistor R9, the drain electrode of second PNP type triode
Connect with the output end of the filter regulator circuit, the connection of the output end of grid and voltage comparator, source electrode respectively with lithium battery
Anode and voltage comparator anode connection, when sample circuit acquisition voltage be lower than 4.3V when, voltage comparator output it is low
Voltage, the second PNP triode conducting, charges to lithium battery；When sampling circuit samples voltage is higher than 4.3V, voltage compares
Device output HIGH voltage, the second PNP triode cut-off, does not charge to lithium battery.
The present embodiment charging storage unit mainly passes through rectifier circuit or solar battery after pressure stabilizing, through over sampling ratio
It charges to circuit to lithium battery, charging and discharging lithium battery process is monitored by li-ion cell protection unit, prevents from overcharging, mistake
It puts and short-circuit.
Led display control unit is mainly by single-chip minimum system, the row data control circuit of Led dot matrix, Led dot matrix
Column scan driving circuit composition.
As shown in figure 3, the LED display control unit hardware circuit includes LED dot matrix common anode module, single-chip microcontroller, latch
Device and several LED triode drive modules, the operating voltage of every LED of LED dot matrix common anode module is about 1.8V, and electric current is about
10mA.When dot matrix common anode end is connected to high level as column (y), and female end a line (x) level is low at this time, the position dot matrix (x, y)
The Led set is lit.When carrying out column scan with the signal of certain frequency, while when row data constantly export, as long as frequency is sufficient
It is enough fast, due to the persistence of vision effect of people, just feel to see complete text and pattern, to this, we use two of single-chip microcontroller
Port carries out column scan and the output of row data.
Due to the operating current about 10mA of every Led, and one-chip machine port does not supply so big electric current, and to this, we will
The port of the defeated trip data of single-chip microcontroller is connected to latch 74HC573, on the one hand prevents high-frequency signal from interfering, loss of data；It is another
Aspect is by latch as buffering, and to every Led power supply, and latch 74HC573 can also load the electric current of 10mA.In order to every
There is appropriate brightness when Led work, while preventing overcurrent from burning out Led, resistance need to be accessed before Led.Electric current is arranged in we
15mA, and 74HC573 exports low pressure about 0.2V, Led operating voltage about 1.5V, power supply+5V are through triode Vce inside 74HC573
About 0.2V is lost in saturation voltage, and by calculating, which is about 200 ohm, for 8*8 dot matrix, when all rows (8 of a certain column
Led) it is all bright when, there are about 120mA for electric current, this electric current for single-chip microcontroller is excessive, need to independently be driven by circuit, we are right
Each column Led is driven with a PNP triode circuit.When single-chip microcontroller column end signal exports high level, PNP triode is not
Logical, Led common anode is terminated at low level, and permutation does not work；When single-chip microcontroller column end signal exports low level, PNP triode conducting,
Led common anode end is pulled to high level, and permutation can be bright, and particular circuit configurations include: each IO of the first delivery outlet of single-chip microcontroller
Mouth is connected respectively the driving end of each LED triode drive module, each described LED triode drive module
Output end be connected respectively each common-anode of LED common anode lattice module, described in the second delivery outlet of single-chip microcontroller connection
Latch, each I/O port of the latch output are connected respectively the LED light of the common-anode of LED common anode lattice module
Cathode.Several described LED triode drive module structures are identical, include the first PNP triode and resistance, described first
One I/O port of the first delivery outlet of the grid and single-chip microcontroller of PNP triode connects, the drain series of first PNP triode
It is grounded after the resistance, the source electrode of first PNP triode connects positive pole, each of described LED common anode lattice module
Common-anode is connect with the drain electrode of the first PNP triode respectively, be connected to the cathode of the LED light on same common-anode respectively with latch
The IO connection of device.
In conclusion each row data of single-chip microcontroller Single port output Led dot matrix are prevented by data register in latch
High-frequency signal interference, loss of data, and by latch to every Led power supply；Another port is synchronous to carry out Led column scan ,+5V
Power-supply system gives single-chip microcontroller, latch and column drive circuit power supply respectively.
It should be noted that described above is presently preferred embodiments of the present invention, the invention is not limited to above-mentioned
Embodiment all should belong to protection scope of the present invention as long as it reaches technical effect of the invention with identical means.
Claims (9)
1. a kind of portable type solar energy LED display board, it is characterised in that: including charging storage unit and LED display control unit；
The charging storage unit includes lithium battery, lithium battery voltage sample circuit, voltage comparator, rectifies to electric main
Rectifier circuit, solar panel, the power output end of solar panel and the output end of rectifier circuit are in parallel, and
Circuit after connection is also connected with filter regulator circuit, and the output end of the filter regulator circuit is by being connected to institute after bleeder circuit
The first voltage input terminal for stating voltage comparator, for providing reference voltage for lithium battery, the filter regulator circuit
Output end also passes through switching circuit and connect respectively with the second voltage input terminal of the anode of lithium battery and voltage comparator, the lithium
Anode is also connect with the sampling end of the lithium battery voltage sample circuit, and when the lithium battery voltage sample circuit acquires
Voltage be lower than reference voltage when, the voltage comparator output signal control switch circuit is opened for the lithium battery and fills
Electricity, when the voltage of lithium battery voltage sample circuit acquisition is higher than reference voltage, the voltage comparator is not exported
The signal that control switch circuit is opened, the output end of the filter regulator circuit are not lithium battery charging；
The LED display control unit includes LED common anode lattice module, single-chip microcontroller, latch and the driving of several LED triodes
Module, each I/O port of the first delivery outlet of the single-chip microcontroller are connected respectively each described LED triode driving mould
The driving end of block, the output end of each LED triode drive module are connected respectively each of LED common anode lattice module
A common-anode, second delivery outlet of single-chip microcontroller connect the latch, each I/O port of the latch output is right respectively
The cathode of the LED light of the common-anode of LED common anode lattice module should be connected.
2. portable type solar energy LED display board as described in claim 1, it is characterised in that: several described LED triodes drive
Dynamic model block structure is identical, includes the first PNP triode and resistance, and the of the grid of first PNP triode and single-chip microcontroller
One I/O port of one delivery outlet connects, and is grounded after resistance described in the drain series of first PNP triode, the first PNP
The source electrode of triode connects positive pole, each common-anode of the LED common anode lattice module respectively with the first PNP triode
Drain electrode connection, the cathode for the LED light being connected on same common-anode are connect with the IO of latch respectively.
3. portable type solar energy LED display board as described in claim 1, it is characterised in that: the both ends of the lithium battery are also simultaneously
It is associated with for being overcharged to lithium battery, the li-ion cell protection unit of over-discharge and short circuit overcurrent protection.
4. portable type solar energy LED display board as claimed in claim 3, it is characterised in that: the lithium battery includes unit packet
Include the battery protection chip and its peripheral circuit of model DW01.
5. portable type solar energy LED display board as described in claim 1, it is characterised in that: the bleeder circuit includes first
Resistance R1 and the first zener diode D3, the first end of the first resistor are connect with the output end of the filter regulator circuit,
Second end is connect with the cathode of the first zener diode D3, the plus earth of the first zener diode D3, and described
The cathode of one zener diode D3 and the cathode of voltage comparator connect.
6. portable type solar energy LED display board as claimed in claim 5, it is characterised in that: the first zener diode D3
The voltage of negative pole end is 4.2V.
7. portable type solar energy LED display board as described in claim 1, it is characterised in that: the sample circuit includes series connection
The other end ground connection of second resistance R5 and first capacitor C5, the first capacitor C5 together, the second resistance R5's is another
The anode of one end and lithium battery connects.
8. portable type solar energy LED display board as described in claim 1, it is characterised in that: the switching circuit includes second
PNP type triode and 3rd resistor R9, the drain electrode of second PNP type triode connect with the output end of the filter regulator circuit
It connecing, the output end connection of grid and voltage comparator, source electrode is connect with the anode of the anode of lithium battery and voltage comparator respectively,
When the voltage of sample circuit acquisition is lower than 4.3V, voltage comparator exports low-voltage, the second PNP triode conducting, to lithium electricity
It charges in pond；When sampling circuit samples voltage is higher than 4.3V, voltage comparator output HIGH voltage, the second PNP triode is cut
Only, it does not charge to lithium battery.
9. portable type solar energy LED display board as described in claim 1, it is characterised in that: the latch uses model
The latch of 74HC573.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324423.3A CN109147588A (en) | 2018-11-08 | 2018-11-08 | A kind of portable type solar energy LED display board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324423.3A CN109147588A (en) | 2018-11-08 | 2018-11-08 | A kind of portable type solar energy LED display board |
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| CN109147588A true CN109147588A (en) | 2019-01-04 |
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| CN201811324423.3A Pending CN109147588A (en) | 2018-11-08 | 2018-11-08 | A kind of portable type solar energy LED display board |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030084085A (en) * | 2002-04-24 | 2003-11-01 | 헥스파워시스템(주) | Apparatus and method for controlling power controller for solar power generation |
| JP2005099130A (en) * | 2003-09-22 | 2005-04-14 | Sharp Corp | Light-emitting device, information display system and battery charger |
| CN201393327Y (en) * | 2009-04-23 | 2010-01-27 | 青海新能源(集团)有限公司 | Commercial power supplementing type photovoltaic double-line illumination controlling device in extremely cold area |
| CN202077227U (en) * | 2011-04-13 | 2011-12-14 | 浙江工业大学 | Intelligent solar streetlamp controller |
| CN202395487U (en) * | 2011-12-23 | 2012-08-22 | 南京工程学院 | Portable solar power supply |
| CN202771774U (en) * | 2012-09-07 | 2013-03-06 | 淮海工学院 | Multifunctional lattice display screen |
| CN203446080U (en) * | 2013-09-13 | 2014-02-19 | 南京信息工程大学 | Solar LED street lamp controller |
| CN204206069U (en) * | 2014-11-27 | 2015-03-11 | 山东科技大学 | A kind of solar mobile power box |
| CN204733422U (en) * | 2015-06-04 | 2015-10-28 | 泉州市金太阳照明科技有限公司 | A kind of Solar lamp system |
| CN205402533U (en) * | 2016-03-01 | 2016-07-27 | 南京信息工程大学 | Solar human body induction lamp |
| CN207687994U (en) * | 2018-01-25 | 2018-08-03 | 广州亿沃新能源科技有限公司 | A kind of tunable optical integral solar energy street lamp based on microwave radar motional induction |
| CN208922671U (en) * | 2018-11-08 | 2019-05-31 | 广东中诚阳能科技有限公司 | A kind of portable type solar energy LED display board |
-
2018
- 2018-11-08 CN CN201811324423.3A patent/CN109147588A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030084085A (en) * | 2002-04-24 | 2003-11-01 | 헥스파워시스템(주) | Apparatus and method for controlling power controller for solar power generation |
| JP2005099130A (en) * | 2003-09-22 | 2005-04-14 | Sharp Corp | Light-emitting device, information display system and battery charger |
| CN201393327Y (en) * | 2009-04-23 | 2010-01-27 | 青海新能源(集团)有限公司 | Commercial power supplementing type photovoltaic double-line illumination controlling device in extremely cold area |
| CN202077227U (en) * | 2011-04-13 | 2011-12-14 | 浙江工业大学 | Intelligent solar streetlamp controller |
| CN202395487U (en) * | 2011-12-23 | 2012-08-22 | 南京工程学院 | Portable solar power supply |
| CN202771774U (en) * | 2012-09-07 | 2013-03-06 | 淮海工学院 | Multifunctional lattice display screen |
| CN203446080U (en) * | 2013-09-13 | 2014-02-19 | 南京信息工程大学 | Solar LED street lamp controller |
| CN204206069U (en) * | 2014-11-27 | 2015-03-11 | 山东科技大学 | A kind of solar mobile power box |
| CN204733422U (en) * | 2015-06-04 | 2015-10-28 | 泉州市金太阳照明科技有限公司 | A kind of Solar lamp system |
| CN205402533U (en) * | 2016-03-01 | 2016-07-27 | 南京信息工程大学 | Solar human body induction lamp |
| CN207687994U (en) * | 2018-01-25 | 2018-08-03 | 广州亿沃新能源科技有限公司 | A kind of tunable optical integral solar energy street lamp based on microwave radar motional induction |
| CN208922671U (en) * | 2018-11-08 | 2019-05-31 | 广东中诚阳能科技有限公司 | A kind of portable type solar energy LED display board |
Non-Patent Citations (2)
| Title |
|---|
| 王冬星: "《单片机技术及C51仿真与应用》", vol. 2015, 28 February 2015, 北京理工大学出版社, pages: 98 - 99 * |
| 陈晓东等: "基于LPC935 单片机的智能太阳能路灯控制系统的设计", 《微计算机应用》, vol. 32, no. 2, pages 66 - 69 * |
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