CN2773976Y - Self-recognition intelligent solar charging controller with 50W - Google Patents
Self-recognition intelligent solar charging controller with 50W Download PDFInfo
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- CN2773976Y CN2773976Y CN 200420118051 CN200420118051U CN2773976Y CN 2773976 Y CN2773976 Y CN 2773976Y CN 200420118051 CN200420118051 CN 200420118051 CN 200420118051 U CN200420118051 U CN 200420118051U CN 2773976 Y CN2773976 Y CN 2773976Y
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Abstract
The utility model relates to a self-recognition intelligent solar charging controller with 50W which can not only control the charge or discharge of the accumulator but also can improve work efficiency and prolong the service life of the accumulator. The controller is mainly composed of a solar battery-board, an accumulator, a diode, a charging MOS pipe (field-effect pipe) T1, a discharging MOS pipe T2 and a PIC single-chip machine. The direct current input by the photovoltaic array PV charges up the accumulator through the preventive anti-charging diode D1. An MOS pipe T1 connects to the two ends of the solar battery-board. The output of the accumulator connects to the load (L+, L-) through the other MOS pipe T2. The two MOS pipes are controlled by the PIC single-chip machine. The utility model can effectively store the direct current given out by the solar battery-board in the accumulator and to effectively solve the problem that the routine electric network can not cover the living and the industry electricity in remote and tourist region. The utility model can not create environmental pollution and is strongly worthy to be spread and applied.
Description
Technical field
The utility model relates to a kind of solar charging controller, relates to or rather a kind ofly can not only control charge and discharge, and can also increase work efficiency, and prolongs the invention of the 50W self-identifying intelligent solar charge controller aspect in storage battery useful life.
Background technology
Solar energy is the resource of a kind of cleaning, inexhaustible regenerative resource, also can not pollute environment, and wideling popularize and utilize solar energy power technology and product is a kind of long-range, economic environmental protection investments.China also has a lot of areas to be in power shortage state now, and these areas are far away from electrical network, use electrodispersion, and the difficulty of generating electricity by way of merging two or more grid systems is very big, and is particularly relatively difficult at tourism area, outlying district life electric consumption on lighting.And utilize solar energy generation technology to address this problem is preferred plan.Existing in the market a lot of solar chargers, but the control device of solar charger is to adopt the common simulation device, judge simply that with comparator cell voltage is controlled overcharging of storage battery and mistake is put, and seldom useful temperature-compensation circuit control, reduce the performance of solar power system thus, can not satisfy the demand in market.The utility model aims to provide a kind of safe, reliable, the intelligent solar battery charge controller that can control automatically.
This shows that above-mentioned existing solar charging controller still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing solar charging controller exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of 50W self-identifying intelligent solar charge controller that improves molding structure, can improve the general molding structure of existing conventional solar charging controller on the market, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome the defective that existing solar charging controller exists, and provide a kind of 50W self-identifying intelligent solar charge controller of new structure, make them not only can the Based Intelligent Control charge and discharge, more important be further to have improved operating efficiency and prolonged storage battery useful life.
The utility model solves its technical problem underlying and realizes by the following technical solutions.According to the 50W self-identifying intelligent solar charge controller that the utility model proposes, include solar panel, storage battery and PIC single-chip microcomputer, it is characterized in that: to charge in batteries, a metal-oxide-semiconductor T1 is connected on the solar panel two ends to the direct current of solar panel output through counnter attack charging diode D1; The output of storage battery is connected to load (L+, L-) by another metal-oxide-semiconductor T2; Two metal-oxide-semiconductors are controlled by the PIC Single Chip Microcomputer (SCM) system.
The utility model solves its technical problem and can also adopt following technical measures further to realize.
Preceding described metal-oxide-semiconductor is a field effect transistor.
Preceding described PIC Single Chip Microcomputer (SCM) system is by the PIC single-chip microcomputer; the sample circuit of the collecting temperature of A/D (mould/number) conversion port by the PIC single-chip microcomputer, the sample amplitude when reproduced of voltage sampling circuit respectively; judge that the temperature of controller and battery tension and identification battery tension can reach 12V/24V and constitute, again opening and turn-offing and reach temperature-compensating, charging overvoltage, intelligent protection that discharge is under-voltage by PIC Single-chip Controlling two metal-oxide-semiconductor T1, T2.
Preceding described temperature sampling circuit is taked at reference voltage source both sides series thermal-sensitive resistance R T and a reference resistance R3, because the resistance of thermistor RT varies with temperature, so the voltage of dividing point is also different during different temperatures, single-chip microcomputer collects behind the dividing point voltage judges temperature by computing, again the compensated regulation of storage battery being charged and carrying out float charge voltage by-4mV/ ℃ according to temperature.
Preceding described voltage sampling circuit takes two resistance R 1, R2 and potentiometer RW to be series at the storage battery both sides, by A/D (mould/number) conversion port of single-chip microcomputer the voltage of dividing point is sampled; Single-chip microcomputer is judged the storage battery virtual voltage by computing after collecting dividing point voltage, to storage battery identification, carries out the storage battery charge and discharge according to the mode of operation of setting again.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the utility model uses the PIC single-chip microcomputer to finish Intelligent treatment owing to adopt technique scheme, judges the ambient temperature of controller work, and is docked at A+, A-two ends 12V and the 24V storage battery is discerned automatically; Ambient temperature according to controller work is carried out the charge in batteries temperature-compensating, by metal-oxide-semiconductor (field effect transistor) T1 at control solar panel two ends, and the charging of control storage battery.By the turn-on and turn-off of control metal-oxide-semiconductor T2, battery discharging is protected.The charge and discharge of intelligence have improved charge efficiency and have prolonged the useful life of storage battery.
The utility model is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present utility model really has more technological progress than existing solar charging controller, and its particular structure feature and more can also be far from existing solar charging controller and can compare, more existing solar charging controller has more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present utility model studies this series products experience of existing ten several years, quite understand for existing problem of existing solar charging controller and defective, and the utility model is to found according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and the true accessory of more existing solar charging controller has suitable enhancement effect, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the utility model really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solutions of the utility model feature, for making the professional and technical personnel can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model 50W self-identifying intelligent solar charge controller.
Fig. 2 is the schematic diagram of the PIC Single Chip Microcomputer (SCM) system of the utility model 50W self-identifying intelligent solar charge controller.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
The key that the utility model will be dealt with problems is how to make device have charging shutoff, temperature-compensating, under-voltage protection, 12V and 24V storage battery recognition function.Be exactly that the electric energy that solar panel is exported is charged into storage battery efficiently specifically, after being full of, storage battery can stop charging automatically, and according to the ambient temperature of battery-operated intelligence adjustment being carried out in charging is temperature-compensating, carry out under-voltage protection according to battery tension when storage battery externally discharges, prolong storage battery useful life with this; For making device that the wider scope of application be arranged, will install the storage battery that both can also can be used for 24V, so device can be judged the storage battery of 12V and two kinds of specifications of 24V with regard to the 12V battery-operated.
See also Fig. 1, shown in Figure 2, the utility model 50W self-identifying intelligent solar charge controller mainly is made up of solar panel, storage battery, diode, charging metal-oxide-semiconductor (field effect transistor) T1, discharge metal-oxide-semiconductor T2, PIC single-chip microcomputer.To charge in batteries, a metal-oxide-semiconductor T1 is connected on the solar panel two ends to the direct current of photovoltaic array PV input through counnter attack charging diode D1; The output of storage battery is connected to load (L+, L-) by another metal-oxide-semiconductor T2; Two metal-oxide-semiconductors are controlled by the PIC Single Chip Microcomputer (SCM) system.
PIC Single Chip Microcomputer (SCM) system of the present utility model comprises battery tension sample circuit, temperature sampling circuit and PIC single-chip microcomputer, the storage battery sample circuit as shown in Figure 2, be series at storage battery the two poles of the earth by two resistance R 1, R2 and potentiometer RW, the voltage of dividing point sampled by the A/D conversion port (mould/number conversion mouth) of single-chip microcomputer.Single-chip microcomputer is judged the storage battery virtual voltage by computing after collecting dividing point voltage, carries out charge and discharge according to the turn-on and turn-off of the mode of operation control MOS (field effect transistor) that sets again; Temperature sampling circuit as shown in Figure 2; Thermistor RT and reference resistance R3 are series at the reference voltage both sides, by A/D (mould/number) conversion port of single-chip microcomputer the voltage of dividing point are sampled.Because the resistance of thermistor RT varies with temperature, so the voltage of dividing point is also different during different temperatures, single-chip microcomputer is judged temperature by computing after collecting the voltage of dividing point, according to temperature storage battery is carried out temperature-compensating again and regulates.
Working method of the present utility model: as accompanying drawing 1, the direct current process counnter attack charging diode D1 of solar panel output is to charge in batteries, when the voltage of storage battery reaches float charge voltage by charging, the PIC Single Chip Microcomputer (SCM) system can be judged battery tension, control is connected in parallel on MOS (field effect transistor) the T1 conducting at solar panel two ends, make the solar panel short circuit, solar panel just stops the charging to storage battery like this; The electric current of storage battery output outputs to load through MOS (field effect transistor) T2 that is connected on discharge loop, when the voltage of storage battery hangs down owing to discharging, the PIC Single Chip Microcomputer (SCM) system can be judged battery tension, and MOS (field effect transistor) T2 that control is connected on discharge loop turn-offs, and stops output.
12V/24V voltage identification of the present utility model and overvoltage, under-voltage protection realize by following circuit: as accompanying drawing 2; sampling resistor R1, R2 and potentiometer RW are connected on storage battery the two poles of the earth; by R1, R2, RW battery tension is carried out dividing potential drop; obtain one and the proportional sampled voltage of battery tension; use A/D (mould/number) conversion port of PIC single-chip microcomputer that sampled voltage is sampled; the PIC single-chip microcomputer to adopt data analyze; judge battery tension, handle according to the program of setting then.For example: if judge that by sampling battery tension is greater than 16V, just can judge storage battery is not the 12V specification, because the utility model only uses two kinds of specifications of 12V, 24V, just can judge that current storage battery is the 24V specification, the PIC single-chip microcomputer can make device by the work of 24V pattern according to the program of setting, otherwise be exactly the 12V specification, device can be pressed the work of 12V pattern; If judge that by sampling battery tension is on the low side, the PIC single-chip microcomputer can be controlled MOS (field effect transistor) T2 according to the program of setting, and T2 is turn-offed stop output, has so just accomplished under-voltage protection; If judge that by sampling battery tension is higher, the PIC single-chip microcomputer can be controlled MOS (field effect transistor) T1 according to the program of setting, be that the T2 conducting constitutes the solar panel short circuit, will stop, so just can controlling float charge voltage charge in batteries to the charging of storage battery.
Temperature-compensating of the present utility model realizes by following circuit: as accompanying drawing 2, at the two ends of reference voltage source series resistance R3 and thermistor RT, thermistor resistance under different temperatures is also different, and R3 is also different with RT dividing point voltage during different temperatures.By the voltage sample of the similar battery tension method of sampling to R3 and RT dividing point, the PIC single-chip microcomputer can be judged ambient temperature according to the program of setting, and carries out temperature-compensating according to the temperature of judging then.For example: the PIC single-chip microcomputer is judged the residing operating ambient temperature of storage battery by temperature sampling, is higher than 25 degree Celsius if judge temperature, and the PIC single-chip microcomputer can reduce float charge voltage according to the program that configures; Be lower than 25 degree Celsius if judge temperature, the PIC single-chip microcomputer can be according to the program rising float charge voltage that configures.The utility model can be to the per 1 degree centigrade of compensation-4mV of every battery cell.
Technical parameter
| Project | Parameter |
| A solar panel floating voltage | 17 volts/34 volts of direct |
| Battery tension | |
| 12 volts/24 volts | |
| Maximum input current | 4 peaces |
| Maximum output current | 5 peaces |
| No-load current | 11 milliamperes |
| Peak power output | 110 watts |
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (5)
1, a kind of 50W self-identifying intelligent solar charge controller, include solar panel, storage battery and PIC single-chip microcomputer, it is characterized in that: to charge in batteries, a metal-oxide-semiconductor T1 is connected on the solar panel two ends to the direct current of solar panel output through counnter attack charging diode D1; The output of storage battery is connected to load (L+, L-) by another metal-oxide-semiconductor T2; Two metal-oxide-semiconductors are controlled by the PIC Single Chip Microcomputer (SCM) system.
2,50W self-identifying intelligent solar charge controller according to claim 1, it is characterized in that: wherein said metal-oxide-semiconductor is a field effect transistor.
3,50W self-identifying intelligent solar charge controller according to claim 2; it is characterized in that: wherein said PIC Single Chip Microcomputer (SCM) system is by the PIC single-chip microcomputer; the sample circuit of the collecting temperature of A/D (mould/number) conversion port by the PIC single-chip microcomputer, the sample amplitude when reproduced of voltage sampling circuit respectively; judge that the temperature of controller and battery tension and identification battery tension can reach 12V/24V and constitute, again opening and turn-offing and reach temperature-compensating, charging overvoltage, intelligent protection that discharge is under-voltage by PIC Single-chip Controlling two metal-oxide-semiconductor T1, T2.
4,50W self-identifying intelligent solar charge controller according to claim 3, it is characterized in that: wherein said temperature sampling circuit is taked at reference voltage source both sides series thermal-sensitive resistance R T and a reference resistance R3, because the resistance of thermistor RT varies with temperature, so the voltage of dividing point is also different during different temperatures, single-chip microcomputer collects behind the dividing point voltage judges temperature by computing, again the compensated regulation of storage battery being charged and carrying out float charge voltage by-4mV/ ℃ according to temperature.
5,50W self-identifying intelligent solar charge controller according to claim 3, it is characterized in that: wherein said voltage sampling circuit takes two resistance R 1, R2 and potentiometer RW to be series at the storage battery both sides, by A/D (mould/number) conversion port of single-chip microcomputer the voltage of dividing point is sampled; Single-chip microcomputer is judged the storage battery virtual voltage by computing after collecting dividing point voltage, to storage battery identification, carries out the storage battery charge and discharge according to the mode of operation of setting again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118051 CN2773976Y (en) | 2004-10-27 | 2004-10-27 | Self-recognition intelligent solar charging controller with 50W |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420118051 CN2773976Y (en) | 2004-10-27 | 2004-10-27 | Self-recognition intelligent solar charging controller with 50W |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2773976Y true CN2773976Y (en) | 2006-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420118051 Expired - Lifetime CN2773976Y (en) | 2004-10-27 | 2004-10-27 | Self-recognition intelligent solar charging controller with 50W |
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| Country | Link |
|---|---|
| CN (1) | CN2773976Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626230B (en) * | 2008-07-08 | 2012-08-08 | 上海海能汽车电子有限公司 | Kline-RS232 circuit with function of preventing reverse connection |
| CN103117582A (en) * | 2013-02-26 | 2013-05-22 | 合肥为民电源有限公司 | Solar charge controller master circuit |
| CN103872749A (en) * | 2012-12-10 | 2014-06-18 | 上海空间电源研究所 | Topology circuit for power regulation of satellite power supply system |
| CN104703321A (en) * | 2013-12-06 | 2015-06-10 | 国家电网公司 | Solar LED streetlamp controller |
-
2004
- 2004-10-27 CN CN 200420118051 patent/CN2773976Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626230B (en) * | 2008-07-08 | 2012-08-08 | 上海海能汽车电子有限公司 | Kline-RS232 circuit with function of preventing reverse connection |
| CN103872749A (en) * | 2012-12-10 | 2014-06-18 | 上海空间电源研究所 | Topology circuit for power regulation of satellite power supply system |
| CN103872749B (en) * | 2012-12-10 | 2016-08-03 | 上海空间电源研究所 | Topological circuit for satellite power system power adjustments |
| CN103117582A (en) * | 2013-02-26 | 2013-05-22 | 合肥为民电源有限公司 | Solar charge controller master circuit |
| CN104703321A (en) * | 2013-12-06 | 2015-06-10 | 国家电网公司 | Solar LED streetlamp controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141027 Granted publication date: 20060419 |