CN201766534U - Solar controller - Google Patents
Solar controller Download PDFInfo
- Publication number
- CN201766534U CN201766534U CN 201020517026 CN201020517026U CN201766534U CN 201766534 U CN201766534 U CN 201766534U CN 201020517026 CN201020517026 CN 201020517026 CN 201020517026 U CN201020517026 U CN 201020517026U CN 201766534 U CN201766534 U CN 201766534U
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- control unit
- controller
- unit
- storage battery
- solar
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Abstract
The utility model discloses a solar controller, which comprises a control circuit; the control circuit includes a main controlling unit, a charging control unit, a booster control unit, a discharging control unit and a voltage stabilization control unit. The controller is characterized in that: the switch tube of the charging control unit and the discharging control unit are IR3205 field effect tubes; two diodes in parallel connection are disposed in the electric energy input circuit of the charging control unit, can prevent the electronic components from being burned out when the sunshine cell panel or the accumulator electrode is reversely connected; an accumulator low voltage detection unit and a load current collection unit are also disposed in the control circuit; the accumulator low voltage detection unit includes an HT7044A-1 chip, and the load current collection unit includes a cement resistor with the resistance of 0.01[Ohm]/5W for collecting current. The controller of the utility model has the characteristics of stable performance, high output efficiency, simple structure and easy operation.
Description
Technical field
The utility model relates to a kind of solar power system, specifically is a kind of controller for solar.
Background technology
The operation principle of solar power system is: be energy importation with the solar panel, with the storage battery is energy storage compartment, use single-chip microcomputer to realize charging and the control of discharging as master controller, reach the function of a plurality of patterns in the control native system as core.Traditional controller for solar has the following disadvantages: the electric current that is transported to storage battery and storage battery owing to the electric current that needs in the controller to use switching tube to control solar panel is transported to load, the phenomenon of effect pipe heating can occur, the operating efficiency of output is not high; In real work, the staff because of carelessness can be with the electrode reversal connection of solar battery plate or storage battery, at this moment, in case device start will burn out the components and parts of controller for solar, and traditional controller for solar, can't avoid the generation of this phenomenon, thereby cause the certain economic loss; Components and parts in the controller for solar that also has do not meet the requirement of technical grade, can not guarantee can work normally, so the job stability of The whole control system is relatively poor under the situation of cold and high temperature; Also some controller for solar exists function singleness, complex structure, the higher defective of cost.
The utility model content
In order to overcome above-mentioned deficiency, the utility model purpose is to provide the controller for solar of a kind of delivery efficiency height, stable performance, convenient operating maintenance.
To achieve these goals, the technical solution adopted in the utility model is: controller for solar, include control circuit, control circuit includes main control unit, charging control unit, the control unit that boosts, discharge control unit and voltage stabilizing control unit, the main control unit utilization boost control unit to charging control unit and the discharge control unit control, the voltage stabilizing control unit provides stable power for main control unit, it is characterized in that: the switching tube in described charging control unit and the discharge control unit adopts the IR3205 field effect transistor; Be provided with two diode connected in parallel in the electric energy input circuit of charging control unit, two diode connected in parallel can prevent effectively that in order to when solar battery plate or the battery terminal reversal connection electronic component from being burnt out.
Also be provided with the storage battery low-voltage detecting unit in the described control circuit, the storage battery low-voltage detecting unit adopts the HT7044A-1 chip, the input pin of HT7044A-1 chip is connected with storage battery by the 1N5819 diode, and output pin is received on the single-chip microcomputer of main control unit by the mode of pull-up resistor.
Also be provided with the load current collecting unit in the described control circuit, the resistance that the collection electric current in the load current collecting unit is used is the cement resistor of 0.01 Europe/5W.
Described voltage stabilizing control unit adopts LM78L05 pressurizer or HT7550-1 pressurizer.
Control chip in the described control unit that boosts adopts MC33063A.
The beneficial effects of the utility model: owing to be provided with two diode connected in parallel in the electric energy input circuit of charging control unit, two diode connected in parallel can prevent effectively that in order to when solar battery plate or the battery terminal reversal connection electronic component from being burnt out; Because each components and parts meets the requirement of technical grade, operating ambient temperature be-40～+ 85 degree, can be under the situation of cold and high temperature operate as normal, thereby the assurance system stable operation; This controller has delivery efficiency height, simple in structure, the characteristics being convenient to operate.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is an electric theory diagram of the present utility model;
Fig. 2 is the electrical schematic diagram of storage battery low-voltage detecting unit shown in Figure 1;
Fig. 3 is the electrical schematic diagram of voltage stabilizing control unit shown in Figure 1;
Fig. 4 is the another kind of electrical schematic diagram of voltage stabilizing control unit shown in Figure 1;
Fig. 5 is the electrical schematic diagram of the control unit that boosts shown in Figure 1.
Among the figure: 1, photovoltaic control unit; 2, main control unit; 3, charging control unit; 4, the control unit that boosts; 5, storage battery; 6, discharge control unit; 7, voltage stabilizing control unit; 8, storage battery low-voltage detecting unit; 9, load current collecting unit.
Embodiment
As shown in Figure 1, controller for solar, include control circuit, control circuit is to be made of photovoltaic control unit 1, main control unit 2, charging control unit 3, the control unit 4 that boosts, discharge control unit 6 and voltage stabilizing control unit 7, photovoltaic control unit 1 comprises solar module and illuminance sampling unit, is provided with two diode connected in parallel in the electric energy input circuit between solar module and the charging control unit 3; The illuminance sampling unit sends relevant information to main control unit 2, main control unit 2 utilizes the 4 pairs of charging control unit of control unit 3 of boosting to control with discharge control unit 6, voltage stabilizing control unit 7 is for main control unit provides stable power, and the switching tube in described charging control unit 3 and the discharge control unit 6 adopts the IR3205 field effect transistor; Two diode connected in parallel can prevent effectively that in order to when solar battery plate or the battery terminal reversal connection electronic component from being burnt out.
The drain electrode of the IR3205 field effect transistor in the discharge control unit 6 is connected on battery positive voltage, source electrode is connected on the positive pole of output loading, the high pressure that provides by the control unit 4 that boosts of main control unit 2 is controlled the gate pole of field effect transistor then, just can reach the switch effect of control field effect transistor, just can carry out Kai Heguan load.The internal resistance of IRF3205 field effect transistor is 8.0m Ω, and maximum current is 110A, and the loss power of field effect transistor self is 3.2W under the condition of the maximum 20A electric current in this control circuit, can meet athermic effect under the situation that does not need fin fully.
As shown in Figure 2, also be provided with storage battery low-voltage detecting unit 8 in the described control circuit, the storage battery low-voltage detecting unit adopts the HT7044A-1 chip, the input pin of HT7044A-1 chip is connected with storage battery 5 by the 1N5819 diode, and output pin is received on the single-chip microcomputer of main control unit by the mode of pull-up resistor.The storage battery low-voltage detecting unit is mainly used in detection storage battery input voltage and whether is lower than 5V; thereby judge whether storage battery is bad battery; thereby play the effect of protection storage battery; because power supply is lower than the words of 5V; the AD of single-chip microcomputer (analog-to-digital conversion) function is just inaccurate; must add the detecting element of logic so; if the voltage of storage battery is greater than 5V; this element output high level explanation is normal battery; if this element output low level explanation is a bad battery; just do not charge a battery; in order to avoid cause blast or unknown consequence, this element operating ambient temperature is-40～+ 85 degree, meets the requirement of technical grade; can under the situation of cold and high temperature, normally detect the voltage of storage battery, thereby guarantee system stable operation.
Shown in Fig. 3,4, described voltage stabilizing control unit 7 adopts LM78L05 pressurizer or HT7550-1 pressurizer, storage battery 5 offers main control unit 2 by voltage stabilizing control unit 7 output 5V voltages, this part is divided into two kinds of situations, and the one, under the storage battery situation of 12V, voltage stabilizing control unit 7 adopts and closes " HT7550-1 " of safe company, this element operating ambient temperature is-40～+ 85 degree, maximum input voltage 24V, output voltage error+-3%, current sinking＜3uA; The 2nd, under the storage battery situation of 24V, voltage stabilizing control unit 7 adopts " LM78L05 " commonly used, and this element operating ambient temperature is-40～+ 85 degree, maximum input voltage 35V, output voltage error+-5%, current sinking＜3mA.By these two kinds of voltage stabilizing control units 7 can be under the situation of cold and high temperature stable provide work required 5V operating voltage to single-chip microcomputer.
Also sent out load current collecting unit 9 in the described control circuit, the resistance that the collection electric current in the load current collecting unit 9 is used is the cement resistor of 0.01 Europe/5W.Current acquisition is an electric current of gathering load output, overweight in order to prevent load, the load that causes because of overwork damages, the size that signal reflection output current will be arranged, using the electrical resistance collection electric current is the method for using always, but also to guarantee under the maximum situation too many power loss is not arranged on sampling resistor at 20A at this, in order to avoid cause unnecessary energy loss, whether overload through calculating the cement resistor collection load output of using 0.01 Europe/5W at this, power under the current conditions of 20A is 4W, reduces current drain own equally.
As shown in Figure 5, needed Vgs (terminal voltage of gate pole and source electrode) voltage when the described control unit 4 that boosts provides the field effect transistor driving, as long as Vgs (terminal voltage of gate pole and the source electrode) voltage of field effect transistor has reached desired voltage on the specifications, field effect transistor will reach athermic effect when doing the switching function use so.The control unit 4 that boosts is that low-voltage is converted into high voltage, the control chip of this circuit adopts MC33063A, and use simple peripheral cell can realize this function, this control chip working temperature-40～+ 85 degree, meet the requirement of technical grade, can under the situation of cold and high temperature, normally provide and drive the needed Vgs of field effect transistor (terminal voltage of gate pole and source electrode) voltage, thereby guarantee system stable operation.
Claims (5)
1. controller for solar, include control circuit, this circuit comprises main control unit (2), charging control unit (3), the control unit that boosts (4), discharge control unit (6) and voltage stabilizing control unit (7), main control unit (2) utilizes the control unit (4) that boosts that the charging control unit (3) and the control unit (6) that discharges are controlled, voltage stabilizing control unit (7) is characterized in that for main control unit provides stable power: the switching tube in described charging control unit (3) and the discharge control unit (6) adopts the IR3205 field effect transistor; Be provided with two diode connected in parallel in the electric energy input circuit of charging control unit (3).
2. controller for solar according to claim 1, it is characterized in that: also be provided with storage battery low-voltage detecting unit (8) in the described control circuit, storage battery low-voltage detecting unit (8) adopts the HT7044A-1 chip, the input pin of HT7044A-1 chip is connected with storage battery (5) by the 1N5819 diode, and output pin is received on the single-chip microcomputer of main control unit (2) by the mode of pull-up resistor.
3. controller for solar according to claim 1 is characterized in that: also be provided with load current collecting unit (9) in the described control circuit, the resistance that the collection electric current in the load current collecting unit (9) is used is the cement resistor of 0.01 Europe/5W.
4. controller for solar according to claim 1 is characterized in that: the control chip in the described control unit that boosts (4) adopts MC33063A.
5. controller for solar according to claim 1 is characterized in that: described voltage stabilizing control unit (7) adopts LM78L05 pressurizer or HT7550-1 pressurizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020517026 CN201766534U (en) | 2010-09-02 | 2010-09-02 | Solar controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020517026 CN201766534U (en) | 2010-09-02 | 2010-09-02 | Solar controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766534U true CN201766534U (en) | 2011-03-16 |
Family
ID=43719141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020517026 Expired - Fee Related CN201766534U (en) | 2010-09-02 | 2010-09-02 | Solar controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766534U (en) |
-
2010
- 2010-09-02 CN CN 201020517026 patent/CN201766534U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Dong Wanxue Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Dong Wanxue Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20120902 |